:root {
            --primary: #2a2d7a;
            --secondary: #ff6b00;
            --accent: #00a8ff;
            --dark: #1a1a2e;
            --light: #f8f9fa;
            --gray: #6c757d;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --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: #333;
            background-color: #fff;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--dark);
            color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo a {
            color: white;
            text-decoration: none;
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: 1px;
            background: linear-gradient(90deg, var(--accent), #fff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--secondary);
        }
        nav.desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        nav.desktop-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 4px;
            transition: var(--transition);
            position: relative;
        }
        nav.desktop-nav a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: var(--accent);
        }
        nav.desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background-color: var(--secondary);
            transition: var(--transition);
        }
        nav.desktop-nav a:hover::after {
            width: 80%;
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--dark);
            padding: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            color: white;
            text-decoration: none;
            padding: 15px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            transition: var(--transition);
        }
        .mobile-nav a:hover {
            background-color: rgba(255, 255, 255, 0.05);
            padding-left: 25px;
        }
        .breadcrumb {
            background-color: #f1f3f5;
            padding: 12px 0;
            font-size: 0.9rem;
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            margin-right: 5px;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 10px;
            color: var(--gray);
        }
        main {
            padding: 40px 0;
            background-color: white;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        article {
            max-width: 100%;
        }
        article h1 {
            font-size: 2.8rem;
            color: var(--primary);
            margin-bottom: 25px;
            line-height: 1.2;
            border-bottom: 3px solid var(--secondary);
            padding-bottom: 15px;
        }
        .meta-info {
            display: flex;
            gap: 20px;
            margin-bottom: 30px;
            color: var(--gray);
            font-size: 0.9rem;
        }
        .meta-info span {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .featured-image {
            width: 100%;
            margin-bottom: 35px;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.5s ease;
        }
        .featured-image img:hover {
            transform: scale(1.02);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            padding: 10px;
            background-color: #f9f9f9;
            font-size: 0.9rem;
        }
        .intro {
            background: linear-gradient(135deg, #f8f9ff 0%, #eef2ff 100%);
            padding: 25px;
            border-radius: 10px;
            margin-bottom: 40px;
            border-left: 5px solid var(--accent);
        }
        .intro p {
            font-size: 1.1rem;
            color: var(--dark);
        }
        section {
            margin-bottom: 50px;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px dashed #ddd;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        h2 i {
            color: var(--secondary);
        }
        h3 {
            font-size: 1.5rem;
            color: var(--dark);
            margin: 25px 0 15px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        h3 i {
            color: var(--accent);
            font-size: 1.2rem;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .highlight {
            background-color: #fff9e6;
            padding: 20px;
            border-radius: 8px;
            border-left: 4px solid #ffc107;
            margin: 25px 0;
        }
        .highlight p:last-child {
            margin-bottom: 0;
        }
        .quote {
            font-style: italic;
            color: var(--primary);
            padding: 25px;
            background-color: #f0f8ff;
            border-radius: 8px;
            margin: 25px 0;
            position: relative;
            font-size: 1.1rem;
        }
        .quote::before {
            content: '"';
            font-size: 4rem;
            color: var(--accent);
            opacity: 0.2;
            position: absolute;
            top: -10px;
            left: 10px;
        }
        .quote-author {
            text-align: right;
            font-weight: bold;
            color: var(--secondary);
            margin-top: 10px;
        }
        ul, ol {
            margin-left: 25px;
            margin-bottom: 20px;
        }
        li {
            margin-bottom: 10px;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin: 25px 0;
            box-shadow: var(--shadow);
            border-radius: 8px;
            overflow: hidden;
        }
        .comparison-table th, .comparison-table td {
            padding: 15px;
            text-align: left;
            border-bottom: 1px solid #eee;
        }
        .comparison-table th {
            background-color: var(--primary);
            color: white;
            font-weight: 600;
        }
        .comparison-table tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        .comparison-table tr:hover {
            background-color: #f1f7ff;
        }
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
            margin: 25px 0;
        }
        .tip-card {
            background-color: white;
            border-radius: 8px;
            padding: 20px;
            box-shadow: var(--shadow);
            border-top: 4px solid var(--accent);
            transition: var(--transition);
        }
        .tip-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
        }
        .tip-card h4 {
            color: var(--primary);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .internal-links {
            margin: 30px 0;
            padding: 20px;
            background-color: #f8f9fa;
            border-radius: 8px;
            border: 1px dashed #ccc;
        }
        .internal-links p {
            font-weight: bold;
            margin-bottom: 15px;
            color: var(--primary);
        }
        .internal-links a {
            color: var(--accent);
            text-decoration: none;
            transition: var(--transition);
        }
        .internal-links a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }
        aside {
            position: sticky;
            top: 100px;
            height: fit-content;
        }
        .sidebar-widget {
            background-color: white;
            border-radius: 10px;
            padding: 25px;
            margin-bottom: 25px;
            box-shadow: var(--shadow);
            border-top: 4px solid var(--secondary);
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            margin-top: 0;
            color: var(--primary);
        }
        .search-form {
            display: flex;
            margin-top: 15px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: 4px 0 0 4px;
            font-size: 1rem;
        }
        .search-form button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: var(--accent);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 1.8rem;
            color: #ffd700;
            margin: 15px 0;
            cursor: pointer;
        }
        .stars i {
            transition: var(--transition);
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .comment-form textarea {
            width: 100%;
            padding: 15px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-family: inherit;
            font-size: 1rem;
            margin-top: 15px;
            resize: vertical;
            min-height: 120px;
        }
        .comment-form button {
            background-color: var(--accent);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 4px;
            cursor: pointer;
            font-weight: 600;
            margin-top: 15px;
            transition: var(--transition);
            width: 100%;
        }
        .comment-form button:hover {
            background-color: var(--primary);
        }
        .quick-links ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .quick-links li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px dashed #eee;
        }
        .quick-links a {
            color: var(--dark);
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .quick-links a:hover {
            color: var(--secondary);
            padding-left: 5px;
        }
        .web-links {
            background-color: #1a1a2e;
            padding: 40px 0;
        }
        .web-links .container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 25px;
        }
        .web-link {
            background-color: rgba(255, 255, 255, 0.05);
            padding: 20px;
            border-radius: 6px;
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: rgba(255, 255, 255, 0.1);
            transform: translateY(-3px);
        }
        .web-link a {
            color: #fff;
            text-decoration: none;
            font-weight: 500;
            display: block;
            line-height: 1.6;
        }
        .web-link a:hover {
            color: var(--accent);
        }
        footer {
            background-color: var(--dark);
            color: #aaa;
            padding: 40px 0 20px;
        }
        .footer-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-links {
            display: flex;
            gap: 25px;
            flex-wrap: wrap;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: white;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
            }
            nav.desktop-nav {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            article h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            .footer-content {
                flex-direction: column;
                text-align: center;
            }
            .tips-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 15px;
            }
            article h1 {
                font-size: 1.8rem;
            }
            .meta-info {
                flex-direction: column;
                gap: 10px;
            }
        }
        .text-bold {
            font-weight: 700;
            color: var(--primary);
        }
        .text-secondary {
            color: var(--secondary);
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .btn {
            display: inline-block;
            background-color: var(--secondary);
            color: white;
            padding: 12px 25px;
            border-radius: 4px;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn:hover {
            background-color: var(--primary);
            transform: translateY(-2px);
        }
        .separator {
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
            margin: 30px 0;
        }