* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #2c3e50;
            --secondary-color: #e74c3c;
            --accent-color: #f39c12;
            --text-color: #333;
            --light-bg: #f8f9fa;
            --white: #ffffff;
            --shadow: 0 2px 10px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: var(--light-bg);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: var(--primary-color);
            color: var(--white);
            padding: 1rem 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: 1.8rem;
            font-weight: bold;
            color: var(--white);
            text-decoration: none;
        }
        .logo:hover {
            color: var(--accent-color);
            transition: var(--transition);
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-mobile {
            display: none;
        }
        @media (max-width: 768px) {
            .nav-mobile {
                display: block;
            }
        }
        .nav-link {
            color: var(--white);
            text-decoration: none;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            transition: var(--transition);
        }
        .nav-link:hover {
            background: var(--secondary-color);
            transform: translateY(-2px);
        }
        .hamburger {
            background: none;
            border: none;
            color: var(--white);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .mobile-menu {
            display: none;
            background: var(--primary-color);
            padding: 1rem;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            box-shadow: var(--shadow);
        }
        .mobile-menu.active {
            display: block;
        }
        .mobile-nav {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .breadcrumb {
            background: var(--white);
            padding: 1rem 0;
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
        }
        .breadcrumb-links {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .breadcrumb-links a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb-links a:hover {
            color: var(--secondary-color);
        }
        .search-section {
            background: var(--white);
            padding: 2rem;
            margin: 2rem 0;
            border-radius: 10px;
            box-shadow: var(--shadow);
            text-align: center;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            gap: 1rem;
        }
        .search-input {
            flex: 1;
            padding: 1rem;
            border: 2px solid #ddd;
            border-radius: 5px;
            font-size: 1rem;
        }
        .search-btn {
            background: var(--secondary-color);
            color: var(--white);
            border: none;
            padding: 1rem 2rem;
            border-radius: 5px;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: #c0392b;
            transform: translateY(-2px);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            margin: 2rem 0;
        }
        @media (max-width: 768px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: var(--white);
            padding: 2rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .article-image {
            width: 100%;
            height: 400px;
            object-fit: cover;
            border-radius: 10px;
            margin: 2rem 0;
        }
        h1 {
            color: var(--primary-color);
            font-size: 2.5rem;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        h2 {
            color: var(--secondary-color);
            font-size: 2rem;
            margin: 2rem 0 1rem 0;
            border-bottom: 2px solid var(--accent-color);
            padding-bottom: 0.5rem;
        }
        h3 {
            color: var(--primary-color);
            font-size: 1.5rem;
            margin: 1.5rem 0 1rem 0;
        }
        p {
            margin-bottom: 1rem;
            text-align: justify;
        }
        .highlight {
            background: linear-gradient(120deg, var(--accent-color) 0%, var(--accent-color) 100%);
            background-repeat: no-repeat;
            background-size: 100% 0.4em;
            background-position: 0 88%;
            font-weight: bold;
        }
        .stats-box {
            background: var(--light-bg);
            border-left: 4px solid var(--secondary-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 5px 5px 0;
        }
        .tip-box {
            background: #e8f4fd;
            border: 1px solid #3498db;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 5px;
        }
        .sidebar {
            background: var(--white);
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .sidebar-widget {
            margin-bottom: 2rem;
        }
        .sidebar-widget h3 {
            color: var(--secondary-color);
            margin-bottom: 1rem;
            font-size: 1.3rem;
        }
        .rating-section {
            background: var(--white);
            padding: 2rem;
            margin: 2rem 0;
            border-radius: 10px;
            box-shadow: var(--shadow);
            text-align: center;
        }
        .rating-stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--accent-color);
            transform: scale(1.2);
        }
        .rating-form {
            max-width: 500px;
            margin: 0 auto;
        }
        .rating-input {
            width: 100%;
            padding: 1rem;
            margin: 1rem 0;
            border: 2px solid #ddd;
            border-radius: 5px;
            resize: vertical;
        }
        .submit-btn {
            background: var(--primary-color);
            color: var(--white);
            border: none;
            padding: 1rem 2rem;
            border-radius: 5px;
            cursor: pointer;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background: #1a252f;
            transform: translateY(-2px);
        }
        .comments-section {
            background: var(--white);
            padding: 2rem;
            margin: 2rem 0;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .comment-form {
            margin-bottom: 2rem;
        }
        .comment-input {
            width: 100%;
            padding: 1rem;
            margin: 1rem 0;
            border: 2px solid #ddd;
            border-radius: 5px;
            resize: vertical;
            min-height: 100px;
        }
        .comment {
            background: var(--light-bg);
            padding: 1.5rem;
            margin: 1rem 0;
            border-radius: 5px;
            border-left: 4px solid var(--accent-color);
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.5rem;
            font-weight: bold;
        }
        .footer-links {
            background: var(--primary-color);
            padding: 3rem 0;
            margin-top: 3rem;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
            margin-bottom: 2rem;
        }
        .web-link {
            background: rgba(255,255,255,0.1);
            padding: 1rem;
            border-radius: 5px;
            transition: var(--transition);
        }
        .web-link:hover {
            background: rgba(255,255,255,0.2);
            transform: translateY(-3px);
        }
        .web-link a {
            color: var(--white);
            text-decoration: none;
            display: block;
        }
        footer {
            background: #1a252f;
            color: var(--white);
            text-align: center;
            padding: 2rem 0;
        }
        .footer-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }
        @media (max-width: 768px) {
            .footer-content {
                flex-direction: column;
                text-align: center;
            }
        }
        .social-links {
            display: flex;
            gap: 1rem;
        }
        .social-link {
            color: var(--white);
            font-size: 1.5rem;
            transition: var(--transition);
        }
        .social-link:hover {
            color: var(--accent-color);
            transform: translateY(-3px);
        }
        .text-center {
            text-align: center;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 0.2rem;
        }