:root {
            --primary-blue: #2a5c8a;
            --secondary-green: #4caf7d;
            --accent-yellow: #ffd166;
            --dark-bg: #1a1a2e;
            --light-bg: #f8f9fa;
            --text-dark: #333333;
            --text-light: #f0f0f0;
            --card-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
            --border-radius: 10px;
        }
        * {
            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);
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
        }
        a {
            color: var(--primary-blue);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-green);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--border-radius);
        }
        ul, ol {
            padding-left: 1.5em;
            margin: 1em 0;
        }
        .container {
            width: 100%;
            padding: 0 15px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--dark-bg) 0%, var(--primary-blue) 100%);
            color: var(--text-light);
            padding: 1.5rem 0;
            margin-bottom: 2rem;
            border-radius: 0 0 var(--border-radius) var(--border-radius);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-family: 'Arial Rounded MT Bold', Arial, sans-serif;
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-yellow);
            text-decoration: none;
            display: flex;
            align-items: center;
        }
        .my-logo i {
            margin-right: 10px;
            font-size: 2rem;
        }
        .my-logo:hover {
            color: white;
            text-decoration: none;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.75rem 1rem;
            border-radius: var(--border-radius);
            margin-bottom: 2rem;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary-blue);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #6c757d;
            margin: 0 5px;
        }
        .main-nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        .nav-links li {
            margin-left: 1.8rem;
        }
        .nav-links a {
            color: var(--text-light);
            font-weight: 600;
            padding: 0.5rem 0.75rem;
            border-radius: 5px;
            transition: var(--transition);
        }
        .nav-links a:hover, .nav-links a.active {
            background-color: rgba(255, 255, 255, 0.15);
            color: var(--accent-yellow);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
            padding: 5px;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin-bottom: 3rem;
        }
        .content-area {
            background: white;
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--card-shadow);
        }
        .sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--card-shadow);
            align-self: start;
            position: sticky;
            top: 20px;
        }
        h1, h2, h3, h4 {
            color: var(--dark-bg);
            margin-top: 1.8em;
            margin-bottom: 0.7em;
            line-height: 1.3;
            font-weight: 700;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-blue);
            border-bottom: 3px solid var(--accent-yellow);
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--secondary-green);
        }
        h3 {
            font-size: 1.6rem;
        }
        h4 {
            font-size: 1.3rem;
        }
        p {
            margin-bottom: 1.5em;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--primary-blue);
            background: #f0f8ff;
            padding: 1.2rem;
            border-left: 5px solid var(--accent-yellow);
            border-radius: 5px;
            margin-bottom: 2.5rem;
        }
        .highlight {
            background-color: #fffacd;
            padding: 0.2em 0.4em;
            border-radius: 3px;
            font-weight: 600;
        }
        .quote {
            font-style: italic;
            color: #555;
            border-left: 4px solid var(--secondary-green);
            padding-left: 1.5rem;
            margin: 2rem 0;
        }
        .stats-box {
            background: linear-gradient(to right, #e3f2fd, #f3e5f5);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            border: 1px dashed var(--primary-blue);
        }
        .stats-box h4 {
            margin-top: 0;
            color: var(--primary-blue);
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .article-img {
            margin: 2.5rem auto;
            box-shadow: 0 7px 20px rgba(0, 0, 0, 0.15);
            overflow: hidden;
            max-width: 800px;
        }
        .article-img img {
            transition: transform 0.5s ease;
        }
        .article-img img:hover {
            transform: scale(1.03);
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .widget {
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid #eee;
        }
        .widget:last-child {
            border-bottom: none;
        }
        .widget h3 {
            font-size: 1.3rem;
            margin-top: 0;
            color: var(--primary-blue);
            display: flex;
            align-items: center;
        }
        .widget h3 i {
            margin-right: 10px;
            color: var(--secondary-green);
        }
        input, textarea, select, button {
            width: 100%;
            padding: 0.9rem 1rem;
            margin-bottom: 1rem;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--secondary-green);
            box-shadow: 0 0 0 3px rgba(76, 175, 125, 0.2);
        }
        button {
            background: linear-gradient(to right, var(--primary-blue), var(--secondary-green));
            color: white;
            border: none;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        button:hover {
            background: linear-gradient(to right, #234a6f, #3d8e66);
            transform: translateY(-2px);
            box-shadow: 0 5px 12px rgba(0, 0, 0, 0.15);
        }
        .rating {
            display: flex;
            justify-content: center;
            margin: 1rem 0;
        }
        .rating input {
            display: none;
        }
        .rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            margin: 0 5px;
            transition: var(--transition);
        }
        .rating label:hover,
        .rating label:hover ~ label,
        .rating input:checked ~ label {
            color: var(--accent-yellow);
        }
        .site-footer {
            background: var(--dark-bg);
            color: var(--text-light);
            padding: 3rem 0 2rem;
            border-radius: var(--border-radius) var(--border-radius) 0 0;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: var(--accent-yellow);
            margin-top: 0;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
            padding-left: 0;
        }
        .footer-links li {
            margin-bottom: 0.7rem;
        }
        .footer-links a {
            color: #cccccc;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: inline-block;
            background: rgba(255, 255, 255, 0.1);
            padding: 0.8rem 1.2rem;
            margin: 0.5rem;
            border-radius: 5px;
            transition: var(--transition);
        }
        friend-link a {
            color: var(--accent-yellow);
            font-weight: 600;
        }
        friend-link:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-3px);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #2a2a3e;
            font-size: 0.9rem;
            color: #aaa;
        }
        .last-updated {
            background: var(--primary-blue);
            color: white;
            padding: 0.8rem;
            text-align: center;
            border-radius: var(--border-radius);
            margin-top: 2rem;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
        }
        @media (max-width: 768px) {
            body {
                padding: 0 10px;
            }
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .my-logo {
                margin-bottom: 1rem;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 20px;
            }
            .main-nav {
                width: 100%;
                display: none;
                flex-direction: column;
                align-items: flex-start;
                margin-top: 1rem;
            }
            .main-nav.active {
                display: flex;
            }
            .nav-links {
                flex-direction: column;
                width: 100%;
            }
            .nav-links li {
                margin: 0.5rem 0;
                width: 100%;
            }
            .nav-links a {
                display: block;
                padding: 0.8rem;
                background: rgba(255,255,255,0.05);
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .content-area {
                padding: 1.5rem;
            }
        }