* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-dark: #0a1a2a;
            --primary-blue: #1a5f9e;
            --accent-red: #c92a2a;
            --accent-titan: #3a506b;
            --text-light: #f8f9fa;
            --text-gray: #adb5bd;
            --bg-light: #e9ecef;
            --bg-card: #ffffff;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --border-radius: 8px;
            --transition: all 0.3s ease;
        }
        body {
            background-color: var(--bg-light);
            color: #333;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-blue);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-red);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--border-radius);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: linear-gradient(135deg, var(--primary-blue), #2a7fcc);
            color: white;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }
        .btn:hover {
            background: linear-gradient(135deg, var(--accent-red), #e35c5c);
            transform: translateY(-3px);
            text-decoration: none;
            box-shadow: var(--shadow);
        }
        .site-header {
            background-color: var(--primary-dark);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.3);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: white;
            text-transform: uppercase;
            letter-spacing: 2px;
            background: linear-gradient(90deg, #4cc9f0, #4361ee);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-decoration: none;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.9;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #f1f3f5;
            font-size: 0.9rem;
            color: #666;
        }
        .breadcrumb a {
            color: var(--primary-blue);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .main-nav a {
            color: var(--text-light);
            font-weight: 500;
            font-size: 1.05rem;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent-red);
            transition: width 0.3s;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav ul {
                position: fixed;
                top: 70px;
                right: -100%;
                flex-direction: column;
                background-color: var(--primary-dark);
                width: 80%;
                max-width: 300px;
                height: calc(100vh - 70px);
                padding: 2rem;
                transition: right 0.4s ease;
                box-shadow: -5px 0 15px rgba(0,0,0,0.2);
            }
            .main-nav.active ul {
                right: 0;
            }
        }
        .search-form {
            display: flex;
            margin: 2rem auto;
            max-width: 600px;
        }
        .search-input {
            flex-grow: 1;
            padding: 15px 20px;
            border: 2px solid #ccc;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
        }
        .search-btn {
            padding: 15px 30px;
            background-color: var(--primary-blue);
            color: white;
            border: none;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: 600;
        }
        .search-btn:hover {
            background-color: var(--accent-red);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-body {
            background-color: var(--bg-card);
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .sidebar {
            background-color: var(--bg-card);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            align-self: start;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-dark);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 6px solid var(--accent-red);
            padding-left: 1rem;
        }
        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: 1.5rem;
            color: var(--accent-titan);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.2rem;
            color: #555;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: #444;
            margin-bottom: 2rem;
            line-height: 1.6;
        }
        .highlight {
            background-color: #fff9db;
            padding: 1.5rem;
            border-left: 4px solid #ffd43b;
            margin: 1.5rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: linear-gradient(145deg, #f1f3f5, #ffffff);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            text-align: center;
            box-shadow: var(--shadow);
            border-top: 4px solid var(--primary-blue);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-blue);
            line-height: 1;
        }
        .img-container {
            margin: 2.5rem auto;
            text-align: center;
        }
        .img-caption {
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .interaction-forms {
            background-color: var(--bg-card);
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin-top: 3rem;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-input, .form-textarea {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ccc;
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-input:focus, .form-textarea:focus {
            border-color: var(--primary-blue);
            outline: none;
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            margin: 10px 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #ffc107;
        }
        .site-footer {
            background-color: var(--primary-dark);
            color: var(--text-light);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: #4cc9f0;
            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: var(--text-gray);
        }
        .footer-links a:hover {
            color: white;
            text-decoration: underline;
        }
        friend-link {
            display: block;
            background-color: rgba(255,255,255,0.05);
            padding: 1rem;
            border-radius: var(--border-radius);
            margin-bottom: 1rem;
            border-left: 4px solid var(--primary-blue);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: var(--text-gray);
            font-size: 0.9rem;
        }
        .text-center { text-align: center; }
        .mb-3 { margin-bottom: 3rem; }
        .mt-3 { margin-top: 3rem; }
        .emoji { font-size: 1.2em; }
        .tag {
            display: inline-block;
            background-color: #e7f5ff;
            color: var(--primary-blue);
            padding: 0.3rem 0.8rem;
            border-radius: 50px;
            font-size: 0.85rem;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
        }