:root {
            --primary-color: #C41E3A; 
            --secondary-color: #138808; 
            --accent-color: #FF9933; 
            --dark-bg: #1a1a2e;
            --light-bg: #f8f9fa;
            --text-dark: #2d3748;
            --text-light: #e2e8f0;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --border-radius: 12px;
            --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(--text-dark);
            background-color: var(--light-bg);
            overflow-x: hidden;
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-color);
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--dark-bg) 0%, #16213e 100%);
            color: var(--text-light);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(to right, var(--primary-color), var(--accent-color));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }
        .my-logo:hover {
            transform: scale(1.05);
            text-decoration: none;
        }
        .breadcrumb {
            padding: 10px 0;
            background-color: #e9ecef;
            font-size: 0.9rem;
            margin-bottom: 20px;
        }
        .breadcrumb a {
            color: var(--text-dark);
        }
        .breadcrumb span {
            color: var(--primary-color);
            font-weight: bold;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: var(--text-light);
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a:hover {
            text-decoration: none;
            color: var(--accent-color);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--accent-color);
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        .search-container {
            max-width: 600px;
            margin: 30px auto 40px;
            padding: 0 20px;
        }
        .search-form {
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .search-input {
            flex-grow: 1;
            padding: 15px 25px;
            border: none;
            font-size: 1rem;
            outline: none;
        }
        .search-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 30px;
            cursor: pointer;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: var(--accent-color);
        }
        main {
            padding: 30px 0;
            background-color: white;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin-bottom: 40px;
        }
        .article-header {
            text-align: center;
            padding: 30px 20px;
            border-bottom: 3px solid var(--secondary-color);
            margin-bottom: 40px;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--dark-bg);
            margin-bottom: 15px;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-color);
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 10px;
            border-bottom: 2px dashed var(--secondary-color);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--secondary-color);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--accent-color);
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: bold;
            color: var(--primary-color);
            background-color: #fff9e6;
            padding: 20px;
            border-left: 5px solid var(--accent-color);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #f0fff4;
            border-left: 5px solid var(--secondary-color);
            padding: 15px;
            margin: 20px 0;
            border-radius: 0 8px 8px 0;
        }
        .info-box {
            background-color: #e6f7ff;
            border: 1px solid #91d5ff;
            border-radius: var(--border-radius);
            padding: 20px;
            margin: 25px 0;
            display: grid;
            grid-template-columns: auto 1fr;
            gap: 15px;
            align-items: start;
        }
        .info-icon {
            color: var(--primary-color);
            font-size: 1.8rem;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: var(--border-radius);
            margin: 30px auto;
            display: block;
            box-shadow: var(--shadow);
            transition: transform 0.5s ease;
        }
        .article-image:hover {
            transform: scale(1.02);
        }
        .links-section {
            background: linear-gradient(to right, #f8f9fa, #e9ecef);
            padding: 25px;
            border-radius: var(--border-radius);
            margin: 40px 0;
        }
        .links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
            margin-top: 15px;
        }
        .links-grid a {
            display: block;
            padding: 12px 15px;
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
            border-left: 4px solid var(--primary-color);
        }
        .links-grid a:hover {
            background-color: var(--primary-color);
            color: white;
            text-decoration: none;
            transform: translateY(-3px);
        }
        .user-interaction {
            background-color: var(--light-bg);
            padding: 30px;
            border-radius: var(--border-radius);
            margin-top: 50px;
            border-top: 5px solid var(--primary-color);
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 20px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: bold;
            color: var(--dark-bg);
        }
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ced4da;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--primary-color);
            outline: none;
            box-shadow: 0 0 0 3px rgba(196, 30, 58, 0.1);
        }
        textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }
        .star-rating {
            direction: rtl;
            display: inline-block;
            font-size: 1.8rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #ffc107;
        }
        .submit-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 14px 28px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
            display: block;
            width: 100%;
        }
        .submit-btn:hover {
            background-color: var(--accent-color);
            transform: translateY(-2px);
        }
        footer {
            background-color: var(--dark-bg);
            color: var(--text-light);
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: var(--accent-color);
            margin-bottom: 20px;
            font-size: 1.4rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #b0b7c3;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255,255,255,0.05);
            padding: 20px;
            border-radius: var(--border-radius);
            margin: 20px 0;
            border-left: 4px solid var(--secondary-color);
        }
        friend-link a {
            color: var(--accent-color);
            font-weight: bold;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #b0b7c3;
            font-size: 0.9rem;
        }
        .last-updated {
            text-align: right;
            font-style: italic;
            color: #6c757d;
            margin-top: 30px;
            padding-top: 15px;
            border-top: 1px dashed #dee2e6;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.8rem; }
            .header-container { flex-direction: column; align-items: flex-start; }
            .main-nav { width: 100%; margin-top: 15px; }
            .main-nav ul { flex-direction: column; gap: 0; display: none; }
            .main-nav.active ul { display: flex; }
            .main-nav li { border-bottom: 1px solid rgba(255,255,255,0.1); }
            .main-nav a { display: block; padding: 12px 0; }
            .hamburger { display: block; position: absolute; top: 20px; right: 20px; }
            .links-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            h1 { font-size: 2rem; }
            .lead { font-size: 1.1rem; }
            .links-grid { grid-template-columns: 1fr; }
            .interaction-grid { grid-template-columns: 1fr; }
            .footer-content { grid-template-columns: 1fr; }
        }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        .highlight-text { background-color: #fffacd; padding: 2px 5px; border-radius: 3px; font-weight: bold; }
        .tooltip { position: relative; border-bottom: 1px dotted var(--primary-color); cursor: help; }
        .tooltip-text { visibility: hidden; width: 200px; background-color: var(--dark-bg); color: white; text-align: center; border-radius: 6px; padding: 10px; position: absolute; z-index: 1; bottom: 125%; left: 50%; transform: translateX(-50%); opacity: 0; transition: opacity 0.3s; }
        .tooltip:hover .tooltip-text { visibility: visible; opacity: 1; }