:root {
            --primary-color: #c62828;
            --primary-dark: #8e0000;
            --secondary-color: #1a237e;
            --light-bg: #f5f5f5;
            --dark-text: #212121;
            --medium-text: #666;
            --light-text: #888;
            --border-color: #e0e0e0;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--dark-text);
            background-color: #fff;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul {
            list-style: none;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .header {
            background: linear-gradient(135deg, var(--secondary-color), var(--dark-text));
            color: white;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: white;
            display: flex;
            align-items: center;
        }
        .logo i {
            color: var(--primary-color);
            margin-right: 10px;
            font-size: 2rem;
        }
        .search-form {
            display: flex;
            flex-grow: 1;
            max-width: 500px;
            margin: 0 30px;
        }
        .search-form input {
            flex-grow: 1;
            padding: 12px 20px;
            border: none;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
        }
        .search-form button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: 0 50px 50px 0;
            padding: 0 25px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: var(--primary-dark);
        }
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            background: none;
            border: none;
            color: white;
        }
        .nav-main {
            background-color: rgba(0, 0, 0, 0.2);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        .nav-list {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
        }
        .nav-list li {
            position: relative;
        }
        .nav-list a {
            display: block;
            padding: 18px 22px;
            font-weight: 600;
            letter-spacing: 0.3px;
            text-transform: uppercase;
            font-size: 0.9rem;
        }
        .nav-list a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: #ffccbc;
        }
        .breadcrumb {
            background-color: var(--light-bg);
            padding: 12px 0;
            font-size: 0.9rem;
            color: var(--medium-text);
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
        }
        .breadcrumb span {
            margin: 0 8px;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .article-header {
            padding: 40px 40px 20px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
            font-size: 0.9rem;
            color: var(--light-text);
        }
        .article-meta i {
            margin-right: 8px;
        }
        .article-meta span {
            margin-right: 20px;
        }
        h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--secondary-color);
            border-bottom: 3px solid var(--primary-color);
            padding-bottom: 15px;
        }
        h2 {
            font-size: 2rem;
            margin: 40px 0 20px;
            color: var(--primary-dark);
            padding-bottom: 10px;
            border-bottom: 1px dashed var(--border-color);
        }
        h3 {
            font-size: 1.6rem;
            margin: 30px 0 15px;
            color: var(--secondary-color);
        }
        h4 {
            font-size: 1.3rem;
            margin: 25px 0 10px;
            color: var(--dark-text);
        }
        .article-body {
            padding: 0 40px 40px;
        }
        .article p {
            margin-bottom: 22px;
            text-align: justify;
            font-size: 1.1rem;
        }
        .article strong {
            color: var(--primary-dark);
            font-weight: 700;
        }
        .article em {
            background-color: #fffde7;
            padding: 0 5px;
            font-style: italic;
        }
        .highlight-box {
            background: linear-gradient(to right, #f9fbe7, #e0f2f1);
            border-left: 5px solid var(--secondary-color);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 8px 8px 0;
        }
        .image-wrapper {
            margin: 35px 0;
            text-align: center;
        }
        .image-wrapper img {
            border-radius: 8px;
            box-shadow: var(--shadow);
            margin: 0 auto;
            max-height: 500px;
            object-fit: cover;
        }
        .image-caption {
            font-style: italic;
            color: var(--medium-text);
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .widget {
            background-color: white;
            border-radius: 8px;
            padding: 25px;
            box-shadow: var(--shadow);
        }
        .widget h3 {
            font-size: 1.4rem;
            margin-top: 0;
            margin-bottom: 20px;
            color: var(--primary-dark);
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-color);
        }
        .rating-form label, .comment-form label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--dark-text);
        }
        .rating-stars {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 15px 0 25px;
            font-size: 1.8rem;
            color: #ffc107;
        }
        .rating-stars i {
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group input, .form-group textarea, .form-group select {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus, .form-group textarea:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.1);
        }
        .btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: 6px;
            padding: 14px 28px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            display: inline-block;
            text-align: center;
        }
        .btn:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-block {
            width: 100%;
        }
        .related-links ul {
            padding-left: 15px;
        }
        .related-links li {
            margin-bottom: 12px;
            padding-left: 10px;
            position: relative;
        }
        .related-links li:before {
            content: '→';
            position: absolute;
            left: -10px;
            color: var(--primary-color);
        }
        .related-links a:hover {
            color: var(--primary-color);
            text-decoration: underline;
        }
        .footer {
            background-color: var(--dark-text);
            color: #ccc;
            padding: 50px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }
        @media (max-width: 768px) {
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        .footer-widget h4 {
            color: white;
            font-size: 1.2rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #444;
        }
        friend-link {
            display: block;
            margin-bottom: 8px;
        }
        friend-link a {
            color: #aaa;
        }
        friend-link a:hover {
            color: white;
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
            }
            .search-form {
                order: 3;
                margin: 20px 0 0;
                max-width: 100%;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-main {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--secondary-color);
            }
            .nav-main.active {
                display: block;
            }
            .nav-list {
                flex-direction: column;
            }
            .nav-list a {
                padding: 15px 20px;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .article-header, .article-body {
                padding: 25px;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.4rem;
            }
        }
        .fade-in {
            animation: fadeIn 1s ease forwards;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .pulse {
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(198, 40, 40, 0.4); }
            70% { box-shadow: 0 0 0 10px rgba(198, 40, 40, 0); }
            100% { box-shadow: 0 0 0 0 rgba(198, 40, 40, 0); }
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .stat-card {
            background: white;
            border-radius: 8px;
            padding: 20px;
            text-align: center;
            box-shadow: var(--shadow);
            border-top: 5px solid var(--primary-color);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-dark);
            line-height: 1;
            margin-bottom: 10px;
        }