* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-color: #4a6fa5;
            --secondary-color: #ff6b6b;
            --accent-color: #5dbb63;
            --dark-color: #2c3e50;
            --light-color: #f8f9fa;
            --text-color: #333;
            --gray-color: #7f8c8d;
            --transition: all 0.3s ease;
        }
        body {
            background-color: #f0f2f5;
            color: var(--text-color);
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        ul { list-style: none; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 24px;
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: 30px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn:hover {
            background-color: var(--dark-color);
            transform: translateY(-3px);
        }
        .section { padding: 60px 0; }
        .section-title {
            font-size: 2.5rem;
            margin-bottom: 30px;
            color: var(--dark-color);
            text-align: center;
            position: relative;
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background-color: var(--secondary-color);
        }
        header {
            background-color: white;
            box-shadow: 0 2px 15px rgba(0,0,0,0.08);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary-color);
        }
        .logo span { color: var(--secondary-color); }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
        }
        .nav-desktop a {
            font-weight: 600;
            position: relative;
            padding: 5px 0;
        }
        .nav-desktop a:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--secondary-color);
            transition: width 0.3s;
        }
        .nav-desktop a:hover:after { width: 100%; }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--dark-color);
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
        }
        .nav-mobile {
            position: fixed;
            top: 70px;
            left: -100%;
            width: 100%;
            height: calc(100vh - 70px);
            background-color: white;
            flex-direction: column;
            padding: 30px;
            transition: left 0.4s ease;
            z-index: 999;
            overflow-y: auto;
        }
        .nav-mobile.active { left: 0; }
        .nav-mobile a {
            display: block;
            padding: 15px 0;
            font-size: 1.2rem;
            border-bottom: 1px solid #eee;
            font-weight: 600;
        }
        .nav-mobile a:hover { color: var(--primary-color); }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 15px 0;
            font-size: 0.9rem;
        }
        .breadcrumb a:hover { color: var(--primary-color); }
        .breadcrumb i { margin: 0 8px; }
        .hero {
            background: linear-gradient(135deg, var(--primary-color), var(--dark-color));
            color: white;
            text-align: center;
            padding: 80px 20px;
            border-radius: 0 0 20px 20px;
            margin-bottom: 40px;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        .article-content {
            background-color: white;
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            padding-bottom: 15px;
            border-bottom: 1px solid #eee;
            font-size: 0.9rem;
            color: var(--gray-color);
        }
        .article-meta i { margin-right: 5px; }
        .article-body h2 {
            font-size: 1.8rem;
            margin: 40px 0 20px;
            color: var(--dark-color);
            padding-bottom: 10px;
            border-bottom: 2px solid #eee;
        }
        .article-body h3 {
            font-size: 1.4rem;
            margin: 30px 0 15px;
            color: var(--primary-color);
        }
        .article-body p {
            margin-bottom: 20px;
            font-size: 1.05rem;
            text-align: justify;
        }
        .article-body strong {
            color: var(--dark-color);
            font-weight: 700;
        }
        .highlight-box {
            background-color: #e8f4fc;
            border-left: 5px solid var(--primary-color);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .featured-image {
            margin: 30px 0;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .featured-image figcaption {
            text-align: center;
            font-style: italic;
            padding: 10px;
            color: var(--gray-color);
            font-size: 0.9rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background-color: white;
            padding: 25px;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .widget-title {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: var(--dark-color);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent-color);
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 12px 15px;
            border: 2px solid #ddd;
            border-radius: 30px 0 0 30px;
            font-size: 1rem;
            outline: none;
        }
        .search-form button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: 0 30px 30px 0;
            padding: 0 20px;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover { background-color: var(--dark-color); }
        .rating-stars {
            display: flex;
            gap: 5px;
            margin-bottom: 15px;
            font-size: 1.5rem;
            color: #ffc107;
        }
        .rating-form label { display: block; margin-bottom: 10px; font-weight: 600; }
        .rating-form select, .comment-form textarea, .comment-form input {
            width: 100%;
            padding: 12px;
            margin-bottom: 15px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
        }
        .rating-form button, .comment-form button { width: 100%; }
        .comment-list { max-height: 400px; overflow-y: auto; padding-right: 10px; }
        .comment-item {
            padding: 15px 0;
            border-bottom: 1px solid #eee;
        }
        .comment-item:last-child { border-bottom: none; }
        .comment-author {
            font-weight: 700;
            color: var(--dark-color);
        }
        .comment-date {
            font-size: 0.8rem;
            color: var(--gray-color);
        }
        .comment-text { margin-top: 8px; }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
            margin: 40px 0;
        }
        .web-link {
            background-color: white;
            padding: 15px;
            border-radius: 8px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
            text-align: center;
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: var(--primary-color);
            color: white;
            transform: translateY(-5px);
        }
        footer {
            background-color: var(--dark-color);
            color: white;
            padding-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }
        @media (max-width: 768px) {
            .footer-content { grid-template-columns: 1fr; }
        }
        .footer-column h3 {
            font-size: 1.3rem;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-column h3:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background-color: var(--secondary-color);
        }
        .footer-links li { margin-bottom: 12px; }
        .footer-links a:hover { color: #ff6b6b; }
        .copyright {
            text-align: center;
            padding: 25px 0;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #bbb;
        }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        .text-center { text-align: center; }
        .mb-20 { margin-bottom: 20px; }
        .mt-20 { margin-top: 20px; }
        .flex { display: flex; }
        .justify-between { justify-content: space-between; }
        .items-center { align-items: center; }