* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-dark: #1a1a1a;
            --secondary-dark: #2d2d2d;
            --accent-rust: #d35400;
            --accent-rust-light: #e67e22;
            --text-primary: #f5f5f5;
            --text-secondary: #bdc3c7;
            --border-color: #444;
            --card-bg: #252525;
            --success: #27ae60;
            --warning: #f39c12;
            --danger: #e74c3c;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--primary-dark);
            overflow-x: hidden;
        }
        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 1.5rem;
            color: var(--accent-rust-light);
        }
        h1 {
            font-size: 2.8rem;
            border-left: 5px solid var(--accent-rust);
            padding-left: 1.5rem;
            margin-top: 2rem;
        }
        h2 {
            font-size: 2.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border-color);
            margin-top: 3rem;
        }
        h3 {
            font-size: 1.8rem;
            color: var(--text-primary);
            margin-top: 2.5rem;
        }
        p {
            margin-bottom: 1.8rem;
            font-size: 1.1rem;
        }
        a {
            color: var(--accent-rust-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        header {
            background-color: var(--secondary-dark);
            padding: 1.2rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--accent-rust);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo span {
            color: var(--text-primary);
        }
        .desktop-nav {
            display: flex;
            gap: 2rem;
        }
        .desktop-nav a {
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0;
            position: relative;
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--accent-rust);
            transition: var(--transition);
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--secondary-dark);
            padding: 1.5rem;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            padding: 1rem 0;
            border-bottom: 1px solid var(--border-color);
            font-size: 1.2rem;
        }
        .breadcrumb {
            padding: 1.5rem 0;
            background-color: var(--card-bg);
            margin-bottom: 2rem;
        }
        .breadcrumb-list {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .breadcrumb-item {
            color: var(--text-secondary);
        }
        .breadcrumb-item a:hover {
            color: var(--accent-rust);
        }
        .breadcrumb-item i {
            margin: 0 0.5rem;
        }
        main {
            min-height: 1500px;
            padding: 2rem 0;
        }
        .article-content {
            display: grid;
            grid-template-columns: 1fr 350px;
            gap: 3rem;
        }
        .sidebar {
            background-color: var(--card-bg);
            padding: 2rem;
            border-radius: 8px;
            height: fit-content;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-title {
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
            color: var(--accent-rust);
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--border-color);
        }
        .search-form {
            display: flex;
            margin-bottom: 2rem;
        }
        .search-input {
            flex-grow: 1;
            padding: 0.9rem 1.2rem;
            background-color: var(--primary-dark);
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            border-radius: 4px 0 0 4px;
            font-size: 1rem;
        }
        .search-button {
            background-color: var(--accent-rust);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: var(--accent-rust-light);
        }
        .requirements-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .requirement-card {
            background-color: var(--card-bg);
            border-radius: 10px;
            padding: 2rem;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .requirement-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-rust);
        }
        .card-header {
            display: flex;
            align-items: center;
            margin-bottom: 1.5rem;
            gap: 1rem;
        }
        .card-icon {
            font-size: 2rem;
            color: var(--accent-rust);
        }
        .card-title {
            font-size: 1.8rem;
            margin: 0;
        }
        .spec-list {
            list-style: none;
        }
        .spec-list li {
            padding: 0.8rem 0;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
        }
        .spec-list li:last-child {
            border-bottom: none;
        }
        .spec-label {
            color: var(--text-secondary);
        }
        .spec-value {
            font-weight: 600;
            color: var(--accent-rust-light);
        }
        .benchmark-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2.5rem 0;
            background-color: var(--card-bg);
            border-radius: 8px;
            overflow: hidden;
        }
        .benchmark-table th {
            background-color: var(--accent-rust);
            color: white;
            padding: 1.2rem;
            text-align: left;
            font-weight: 600;
        }
        .benchmark-table td {
            padding: 1rem 1.2rem;
            border-bottom: 1px solid var(--border-color);
        }
        .benchmark-table tr:hover {
            background-color: rgba(214, 84, 0, 0.1);
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 8px;
            margin: 2.5rem auto;
            display: block;
            box-shadow: var(--shadow);
            border: 2px solid var(--border-color);
        }
        .callout {
            background-color: rgba(214, 84, 0, 0.1);
            border-left: 4px solid var(--accent-rust);
            padding: 1.8rem;
            margin: 2.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .callout-title {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            color: var(--accent-rust);
            margin-bottom: 1rem;
        }
        .interaction-section {
            background-color: var(--card-bg);
            padding: 3rem;
            border-radius: 10px;
            margin: 4rem 0;
        }
        .form-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2.5rem;
            margin-top: 2rem;
        }
        .form-group {
            margin-bottom: 1.8rem;
        }
        .form-label {
            display: block;
            margin-bottom: 0.8rem;
            font-weight: 600;
            color: var(--text-secondary);
        }
        .form-input, .form-textarea, .form-select {
            width: 100%;
            padding: 1rem;
            background-color: var(--primary-dark);
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            border-radius: 4px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-input:focus, .form-textarea:focus, .form-select:focus {
            outline: none;
            border-color: var(--accent-rust);
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 1.8rem;
            color: var(--border-color);
            cursor: pointer;
            transition: var(--transition);
        }
        .star.active, .star:hover {
            color: var(--warning);
        }
        .submit-button {
            background-color: var(--accent-rust);
            color: white;
            border: none;
            padding: 1rem 2.5rem;
            border-radius: 4px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.8rem;
        }
        .submit-button:hover {
            background-color: var(--accent-rust-light);
            transform: translateY(-2px);
        }
        .longtail-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 3rem 0;
            padding: 2.5rem;
            background-color: var(--card-bg);
            border-radius: 8px;
        }
        .web-link {
            padding: 1rem;
            background-color: var(--primary-dark);
            border-radius: 4px;
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: rgba(214, 84, 0, 0.1);
            transform: translateX(5px);
        }
        footer {
            background-color: var(--secondary-dark);
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 2.5rem;
        }
        .footer-section h3 {
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
            color: var(--accent-rust);
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-color);
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        @media (max-width: 992px) {
            .article-content {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            h1 {
                font-size: 2.3rem;
            }
            h2 {
                font-size: 1.9rem;
            }
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            .requirements-grid {
                grid-template-columns: 1fr;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            .longtail-links {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .container {
                padding: 0 1rem;
            }
            h1 {
                font-size: 2rem;
                padding-left: 1rem;
            }
            .logo {
                font-size: 1.8rem;
            }
            .longtail-links {
                grid-template-columns: 1fr;
            }
            .benchmark-table {
                display: block;
                overflow-x: auto;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.6s ease-out;
        }
        .text-center { text-align: center; }
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .mt-3 { margin-top: 3rem; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .mb-3 { margin-bottom: 3rem; }
        .bold { font-weight: 700; }
        .highlight { color: var(--accent-rust-light); }
        .emoji { font-size: 1.2em; margin-right: 0.3rem; }