:root {
            --primary-red: #E53935;
            --primary-blue: #1E88E5;
            --primary-green: #43A047;
            --primary-yellow: #FDD835;
            --primary-black: #212121;
            --primary-gray: #757575;
            --light-gray: #f5f5f5;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #fff;
            overflow-x: hidden;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-red), var(--primary-blue));
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -1px;
        }
        .my-logo i {
            color: var(--primary-yellow);
        }
        .nav-desktop ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-desktop a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-desktop a:hover {
            background-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        .mobile-toggle {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .nav-mobile {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: var(--primary-blue);
            flex-direction: column;
            padding: 1rem;
            box-shadow: var(--shadow);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile ul {
            list-style: none;
            width: 100%;
        }
        .nav-mobile li {
            margin-bottom: 1rem;
        }
        .nav-mobile a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            display: block;
            padding: 0.8rem;
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-mobile a:hover {
            background-color: rgba(255, 255, 255, 0.15);
        }
        .breadcrumb {
            max-width: 1280px;
            margin: 1rem auto;
            padding: 0 2rem;
            font-size: 0.9rem;
            color: var(--primary-gray);
        }
        .breadcrumb a {
            color: var(--primary-blue);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-container {
            max-width: 1280px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .main-container {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: white;
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: var(--shadow);
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: var(--primary-red);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .meta-info {
            display: flex;
            gap: 1.5rem;
            color: var(--primary-gray);
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #eee;
            font-size: 0.95rem;
        }
        .meta-info i {
            margin-right: 0.5rem;
        }
        .search-widget {
            background: var(--light-gray);
            padding: 1.5rem;
            border-radius: 8px;
            margin-bottom: 2rem;
        }
        .search-widget h3 {
            margin-bottom: 1rem;
            color: var(--primary-black);
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex-grow: 1;
            padding: 0.8rem 1rem;
            border: 2px solid #ddd;
            border-radius: 4px 0 0 4px;
            font-size: 1rem;
            outline: none;
            transition: var(--transition);
        }
        .search-form input:focus {
            border-color: var(--primary-blue);
        }
        .search-form button {
            background-color: var(--primary-blue);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: #1565C0;
        }
        .intro {
            font-size: 1.2rem;
            color: var(--primary-black);
            margin-bottom: 2rem;
            padding: 1.5rem;
            background: linear-gradient(to right, #f9f9f9, #fff);
            border-left: 5px solid var(--primary-green);
            border-radius: 0 8px 8px 0;
        }
        .featured-image {
            width: 100%;
            margin: 2.5rem 0;
            text-align: center;
        }
        .featured-image img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
            transition: var(--transition);
            border: 8px solid white;
            outline: 1px solid #eee;
        }
        .featured-image img:hover {
            transform: scale(1.01);
            box-shadow: 0 12px 30px rgba(0,0,0,0.2);
        }
        .image-caption {
            font-style: italic;
            color: var(--primary-gray);
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-blue);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #eee;
        }
        h3 {
            font-size: 1.6rem;
            color: var(--primary-green);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--primary-yellow);
            background-color: #FFFDE7;
            padding: 0.8rem;
            border-radius: 6px;
            margin: 1.5rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight-box {
            background-color: #E3F2FD;
            border-left: 4px solid var(--primary-blue);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: white;
            border-radius: 8px;
            padding: 1.5rem;
            text-align: center;
            box-shadow: var(--shadow);
            border-top: 5px solid var(--primary-red);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-red);
            line-height: 1;
        }
        .stat-desc {
            color: var(--primary-gray);
            margin-top: 0.5rem;
        }
        .link-inline {
            color: var(--primary-blue);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dashed currentColor;
            transition: var(--transition);
        }
        .link-inline:hover {
            color: var(--primary-red);
            border-bottom-style: solid;
        }
        blockquote {
            font-style: italic;
            color: #555;
            border-left: 4px solid var(--primary-yellow);
            padding: 1.5rem 2rem;
            margin: 2.5rem 0;
            background-color: #FFF9C4;
            border-radius: 0 8px 8px 0;
            font-size: 1.1rem;
        }
        .quote-author {
            text-align: right;
            font-weight: bold;
            color: var(--primary-gray);
            margin-top: 1rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            border-radius: 12px;
            padding: 1.5rem;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            color: var(--primary-red);
            margin-bottom: 1.2rem;
            font-size: 1.4rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .related-links ul {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px dotted #eee;
        }
        .related-links a {
            color: var(--primary-black);
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.7rem;
        }
        .related-links a:hover {
            color: var(--primary-blue);
            padding-left: 5px;
        }
        .rating-section, .comment-section {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 2px solid #eee;
        }
        .rating-widget {
            text-align: center;
            margin-bottom: 2rem;
        }
        .stars {
            font-size: 2rem;
            color: #ddd;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars i {
            margin: 0 3px;
            transition: var(--transition);
        }
        .stars i:hover,
        .stars i.active {
            color: #FFC107;
        }
        .rating-form, .comment-form {
            background-color: var(--light-gray);
            padding: 1.5rem;
            border-radius: 8px;
            margin-top: 1.5rem;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 4px;
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(30, 136, 229, 0.2);
        }
        .submit-btn {
            background-color: var(--primary-green);
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 4px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background-color: #2E7D32;
            transform: translateY(-2px);
        }
        .site-footer {
            background-color: var(--primary-black);
            color: #ccc;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            margin-bottom: 1rem;
        }
        .footer-links h4 {
            color: white;
            font-size: 1.2rem;
            margin-bottom: 1.2rem;
            padding: 0;
            background: none;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.7rem;
        }
        .footer-links a {
            color: #aaa;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            margin-top: 1rem;
            padding-top: 1rem;
            border-top: 1px solid #444;
        }
        friend-link a {
            color: #4FC3F7 !important;
            font-weight: bold;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #444;
            color: #888;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-container {
                padding: 0 1rem;
            }
            .nav-desktop {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .main-container {
                padding: 0 1rem;
                gap: 2rem;
            }
            .article-content {
                padding: 1.5rem;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            .meta-info {
                flex-direction: column;
                gap: 0.5rem;
            }
            .stat-grid {
                grid-template-columns: 1fr;
            }
        }