:root {
            --primary: #FF6B35;
            --secondary: #1A535C;
            --accent: #4ECDC4;
            --dark: #2D3047;
            --light: #F7FFF7;
            --gray: #6C757D;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        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(--dark);
            color: var(--light);
            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;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo .fa-bolt {
            color: var(--primary);
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-desktop a:hover {
            color: var(--accent);
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent);
            transition: width 0.3s;
        }
        .nav-desktop a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background-color: var(--dark);
            flex-direction: column;
            padding: 1rem;
            display: none;
            box-shadow: var(--shadow);
            z-index: 999;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            padding: 1rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            font-weight: 600;
        }
        .nav-mobile a:hover {
            background-color: rgba(255,255,255,0.05);
            color: var(--accent);
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.8rem 0;
            font-size: 0.9rem;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--secondary);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: 2rem 0;
            background-color: white;
            min-height: 80vh;
        }
        .article-header {
            margin-bottom: 3rem;
            text-align: center;
            padding-bottom: 2rem;
            border-bottom: 1px solid #eee;
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: var(--dark);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            color: var(--gray);
            font-size: 0.95rem;
            display: flex;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .content-area {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .content-area {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            font-size: 1.1rem;
        }
        .article-content h2 {
            color: var(--secondary);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent);
            font-size: 2rem;
        }
        .article-content h3 {
            color: var(--dark);
            margin: 2rem 0 1rem;
            font-size: 1.6rem;
        }
        .article-content p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .article-content strong {
            color: var(--primary);
            font-weight: 700;
        }
        .article-content em {
            background-color: rgba(78, 205, 196, 0.1);
            padding: 0 3px;
            font-style: italic;
        }
        .article-content ul, .article-content ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        .article-content li {
            margin-bottom: 0.7rem;
        }
        .highlight-box {
            background-color: #f8f9fa;
            border-left: 5px solid var(--primary);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .image-container {
            margin: 2.5rem 0;
            text-align: center;
        }
        .image-container img {
            border-radius: 10px;
            box-shadow: var(--shadow);
            margin: 0 auto;
            max-height: 500px;
            object-fit: cover;
        }
        .image-caption {
            font-style: italic;
            color: var(--gray);
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        .sidebar {
            background-color: #f8f9fa;
            padding: 1.5rem;
            border-radius: 10px;
            height: fit-content;
            box-shadow: var(--shadow);
        }
        .sidebar h3 {
            color: var(--secondary);
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--primary);
            font-size: 1.5rem;
        }
        .widget {
            margin-bottom: 2rem;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex-grow: 1;
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 5px 0 0 5px;
            font-size: 1rem;
        }
        .search-form button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0 1.2rem;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: var(--secondary);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #ddd;
            margin-bottom: 0.5rem;
            cursor: pointer;
        }
        .stars .star {
            transition: var(--transition);
        }
        .stars .star:hover,
        .stars .star.active {
            color: #FFC107;
        }
        .rating-text {
            font-size: 0.9rem;
            color: var(--gray);
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 1px solid #ccc;
            border-radius: 5px;
            font-size: 1rem;
            margin-bottom: 1rem;
            min-height: 120px;
            resize: vertical;
        }
        .comment-form input[type="text"],
        .comment-form input[type="email"] {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 5px;
            margin-bottom: 1rem;
            font-size: 1rem;
        }
        .comment-form button {
            background-color: var(--secondary);
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .comment-form button:hover {
            background-color: var(--primary);
        }
        .footer-links {
            background-color: var(--dark);
            padding: 3rem 0;
            color: var(--light);
        }
        .web-link-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
            margin-bottom: 2rem;
        }
        .web-link {
            background-color: rgba(255,255,255,0.05);
            padding: 1.2rem;
            border-radius: 8px;
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: rgba(255,255,255,0.1);
            transform: translateY(-5px);
        }
        .web-link a {
            display: block;
            color: var(--accent);
            font-weight: 600;
        }
        .web-link a:hover {
            text-decoration: underline;
        }
        .site-footer {
            background-color: #1a1a1a;
            color: #aaa;
            text-align: center;
            padding: 2rem 0;
            font-size: 0.9rem;
        }
        .site-footer a {
            color: var(--accent);
        }
        .site-footer a:hover {
            text-decoration: underline;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .copyright {
            border-top: 1px solid #333;
            padding-top: 1.5rem;
            margin-top: 1rem;
        }
        @media (max-width: 768px) {
            .article-header h1 {
                font-size: 2rem;
            }
            .content-area {
                gap: 2rem;
            }
            .article-content h2 {
                font-size: 1.7rem;
            }
            .article-content h3 {
                font-size: 1.4rem;
            }
        }
