* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.6;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #2a5db0;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #e63946;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            color: white;
            font-size: 1.8rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo span {
            color: #4cc9f0;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.5rem;
        }
        .main-nav a {
            color: #e2e8f0;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
        }
        .main-nav a:hover, .main-nav a.active {
            background-color: rgba(255, 255, 255, 0.15);
            color: white;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #edf2f7;
            padding: 0.8rem 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin: 0 10px;
            color: #718096;
        }
        .breadcrumb a {
            color: #4a5568;
        }
        .search-bar {
            background-color: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            margin-bottom: 2.5rem;
            text-align: center;
        }
        .search-bar h2 {
            margin-bottom: 1rem;
            color: #2d3748;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-form input {
            flex-grow: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid #cbd5e0;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-form input:focus {
            border-color: #2a5db0;
        }
        .search-form button {
            background: linear-gradient(to right, #e63946, #ff6b6b);
            color: white;
            border: none;
            padding: 0 1.8rem;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: linear-gradient(to right, #d90429, #e63946);
        }
        .main-content {
            flex: 1;
            padding: 2rem 0;
        }
        .article-header {
            margin-bottom: 2.5rem;
            text-align: center;
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: #1a202c;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            color: #718096;
            font-size: 0.95rem;
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        .article-meta span i {
            margin-right: 5px;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        .article-body {
            background-color: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.07);
        }
        .article-body h2 {
            font-size: 2rem;
            color: #2d3748;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #4cc9f0;
        }
        .article-body h3 {
            font-size: 1.6rem;
            color: #4a5568;
            margin: 2rem 0 1rem;
        }
        .article-body p {
            margin-bottom: 1.3rem;
            font-size: 1.1rem;
            color: #2d3748;
        }
        .article-body strong {
            color: #1a202c;
            background-color: #fef3c7;
            padding: 0 3px;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
        }
        .featured-image figcaption {
            text-align: center;
            font-style: italic;
            color: #718096;
            padding: 0.8rem;
            background-color: #f7fafc;
        }
        .highlight-box {
            background: linear-gradient(to right, #e3f2fd, #f3e5f5);
            border-left: 5px solid #2a5db0;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .link-list {
            background-color: #f8f9fa;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .link-list h3 {
            margin-top: 0;
        }
        .link-list ul {
            list-style-position: inside;
            color: #2a5db0;
        }
        .link-list li {
            margin-bottom: 0.7rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background-color: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .sidebar-widget h3 {
            color: #2d3748;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e63946;
        }
        .rating-widget form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .rating-stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ffd700;
            margin: 0.5rem 0;
        }
        .rating-stars i {
            cursor: pointer;
            transition: transform 0.2s;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        .rating-widget input, .rating-widget textarea, .comment-form input, .comment-form textarea {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #cbd5e0;
            border-radius: 6px;
            font-size: 1rem;
        }
        .rating-widget button, .comment-form button {
            background-color: #2a5db0;
            color: white;
            border: none;
            padding: 0.9rem;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
        }
        .rating-widget button:hover, .comment-form button:hover {
            background-color: #1e3c72;
        }
        .site-footer {
            background-color: #1a202c;
            color: #cbd5e0;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 1rem;
            color: white;
        }
        .footer-links h4 {
            color: white;
            margin-bottom: 1.2rem;
            font-size: 1.2rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.7rem;
        }
        .footer-links a {
            color: #a0aec0;
        }
        .footer-links a:hover {
            color: #4cc9f0;
        }
        friend-link {
            display: block;
            background-color: #2d3748;
            padding: 1.5rem;
            border-radius: 8px;
            margin-top: 2rem;
        }
        friend-link h4 {
            color: white;
            margin-bottom: 1rem;
        }
        friend-link ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }
        friend-link li a {
            background-color: #4a5568;
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 50px;
            font-size: 0.9rem;
        }
        friend-link li a:hover {
            background-color: #e63946;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #2d3748;
            color: #a0aec0;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 80%;
                height: calc(100vh - 70px);
                background-color: #1e3c72;
                flex-direction: column;
                padding: 2rem;
                transition: left 0.3s ease;
                box-shadow: 5px 0 15px rgba(0, 0, 0, 0.2);
            }
            .main-nav.active {
                left: 0;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 1rem;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            .content-wrapper {
                gap: 1.5rem;
            }
            .article-body {
                padding: 1.5rem;
            }
        }