:root {
            --primary: #1e3a8a;
            --secondary: #dc2626;
            --accent: #fbbf24;
            --light: #f8fafc;
            --dark: #0f172a;
            --gray: #64748b;
            --success: #10b981;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --radius: 8px;
            --transition: all 0.3s ease;
            --container-width: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--light);
            color: var(--dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-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;
            border-bottom: 1px solid #e2e8f0;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo a i {
            color: var(--secondary);
        }
        .search-form {
            flex-grow: 1;
            max-width: 500px;
            margin: 0 30px;
            position: relative;
        }
        .search-form input {
            width: 100%;
            padding: 12px 20px;
            border: 2px solid #e2e8f0;
            border-radius: 50px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-form input:focus {
            outline: none;
            border-color: var(--primary);
        }
        .search-form button {
            position: absolute;
            right: 5px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--primary);
            color: white;
            border: none;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background: var(--secondary);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary);
            cursor: pointer;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            justify-content: center;
            gap: 2rem;
            padding: 15px 0;
        }
        .main-nav a {
            font-weight: 600;
            color: var(--dark);
            padding: 8px 12px;
            border-radius: var(--radius);
        }
        .main-nav a:hover {
            background-color: var(--primary);
            color: white;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: var(--gray);
            background-color: #f1f5f9;
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        .article-content {
            background: white;
            padding: 40px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .article-header h1 {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .meta-info {
            display: flex;
            gap: 20px;
            color: var(--gray);
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 1px solid #e2e8f0;
        }
        .meta-info span i {
            margin-right: 5px;
            color: var(--secondary);
        }
        .article-image {
            margin: 30px 0;
            border-radius: var(--radius);
            overflow: hidden;
            position: relative;
        }
        .article-image img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .article-image:hover img {
            transform: scale(1.03);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: 10px;
            font-size: 0.9rem;
        }
        .article-body h2 {
            font-size: 2rem;
            color: var(--primary);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent);
        }
        .article-body h3 {
            font-size: 1.5rem;
            color: var(--secondary);
            margin: 30px 0 15px;
        }
        .article-body p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .article-body strong {
            color: var(--primary);
            font-weight: 700;
        }
        .article-body emoji {
            font-size: 1.2em;
            margin: 0 3px;
        }
        .highlight-box {
            background: linear-gradient(135deg, #e0f2fe, #fef3c7);
            border-left: 5px solid var(--accent);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .tip-card {
            background: white;
            padding: 20px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border-top: 4px solid var(--success);
            transition: var(--transition);
        }
        .tip-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        }
        .tip-card h4 {
            color: var(--primary);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .internal-links {
            background: #f8fafc;
            padding: 20px;
            border-radius: var(--radius);
            margin: 30px 0;
        }
        .internal-links h3 {
            color: var(--primary);
            margin-bottom: 15px;
        }
        .internal-links ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }
        .internal-links li a {
            background: white;
            padding: 10px 20px;
            border-radius: 50px;
            display: inline-block;
            border: 1px solid #e2e8f0;
            font-weight: 600;
        }
        .internal-links li a:hover {
            background: var(--primary);
            color: white;
            border-color: var(--primary);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background: white;
            padding: 25px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            color: var(--primary);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent);
        }
        .rating-widget form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .stars {
            display: flex;
            gap: 5px;
            direction: rtl;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .stars input {
            display: none;
        }
        .stars label {
            color: #e2e8f0;
            transition: var(--transition);
        }
        .stars input:checked ~ label,
        .stars label:hover,
        .stars label:hover ~ label {
            color: var(--accent);
        }
        .rating-widget button,
        .comment-form button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 12px;
            border-radius: var(--radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-widget button:hover,
        .comment-form button:hover {
            background: var(--secondary);
        }
        .comment-form textarea {
            width: 100%;
            height: 120px;
            padding: 15px;
            border: 2px solid #e2e8f0;
            border-radius: var(--radius);
            resize: vertical;
            font-size: 1rem;
            transition: var(--transition);
        }
        .comment-form textarea:focus {
            outline: none;
            border-color: var(--primary);
        }
        .comments-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-top: 20px;
        }
        .comment {
            padding: 15px;
            background: #f8fafc;
            border-radius: var(--radius);
            border-left: 4px solid var(--primary);
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
            font-size: 0.9rem;
            color: var(--gray);
        }
        .comment-author {
            font-weight: bold;
            color: var(--primary);
        }
        .footer-links-section {
            background: var(--dark);
            padding: 40px 0;
            margin-top: 40px;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }
        .web-link {
            background: rgba(255, 255, 255, 0.05);
            padding: 15px;
            border-radius: var(--radius);
            text-align: center;
            transition: var(--transition);
        }
        .web-link:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-3px);
        }
        .web-link a {
            color: var(--light);
            font-weight: 600;
        }
        .web-link a:hover {
            color: var(--accent);
        }
        .site-footer {
            background: #0a1128;
            color: white;
            padding: 40px 0 20px;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
            margin-bottom: 30px;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 900;
            color: white;
            margin-bottom: 15px;
            display: inline-block;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .web-links-container {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                background: white;
                transition: left 0.4s ease;
                box-shadow: var(--shadow);
                z-index: 999;
            }
            .main-nav.active {
                left: 0;
            }
            .main-nav ul {
                flex-direction: column;
                padding: 20px;
                gap: 0;
            }
            .main-nav li {
                width: 100%;
            }
            .main-nav a {
                display: block;
                padding: 15px;
                border-bottom: 1px solid #e2e8f0;
            }
            .search-form {
                margin: 15px 0;
                max-width: 100%;
            }
            .header-top {
                flex-wrap: wrap;
            }
            .article-header h1 {
                font-size: 2rem;
            }
            .article-content {
                padding: 25px;
            }
            .web-links-container {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .web-links-container {
                grid-template-columns: 1fr;
            }
            .footer-content {
                flex-direction: column;
            }
            .tips-grid {
                grid-template-columns: 1fr;
            }
            .internal-links ul {
                flex-direction: column;
            }
        }