:root {
            --primary-color: #2a4365; 
            --accent-color: #c53030; 
            --highlight-color: #f6ad55; 
            --text-dark: #2d3748;
            --text-light: #718096;
            --bg-light: #f7fafc;
            --bg-section: #edf2f7;
            --border-color: #e2e8f0;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: #fff;
            max-width: 100%;
            overflow-x: hidden;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-color) 0%, #1a365d 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            transition: var(--transition);
        }
        .my-logo:hover {
            color: var(--highlight-color);
            transform: scale(1.03);
        }
        .my-logo i {
            color: var(--accent-color);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 0.75rem;
            border-radius: var(--radius);
            transition: var(--transition);
            position: relative;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background-color: rgba(255, 255, 255, 0.15);
            color: var(--highlight-color);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--highlight-color);
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after {
            width: 70%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--primary-color);
            padding: 1rem;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            color: white;
            text-decoration: none;
            padding: 0.8rem 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transition: var(--transition);
        }
        .mobile-nav a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            padding-left: 1.5rem;
        }
        .breadcrumb {
            max-width: 1200px;
            margin: 1rem auto;
            padding: 0 1.5rem;
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .content-container {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 1.5rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        @media (max-width: 992px) {
            .content-container {
                grid-template-columns: 1fr;
            }
        }
        .main-article {
            background-color: white;
            border-radius: var(--radius);
            padding: 2.5rem;
            box-shadow: var(--shadow);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--highlight-color);
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-color);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border-color);
        }
        h3 {
            font-size: 1.5rem;
            color: var(--primary-color);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.2rem;
            color: var(--text-dark);
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--text-dark);
            background-color: var(--bg-section);
            padding: 1.5rem;
            border-left: 4px solid var(--accent-color);
            border-radius: 0 var(--radius) var(--radius) 0;
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: rgba(246, 173, 85, 0.15);
            padding: 1.5rem;
            border-radius: var(--radius);
            border-left: 4px solid var(--highlight-color);
            margin: 1.5rem 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .emphasis {
            font-weight: 700;
            color: var(--accent-color);
        }
        .stats-box {
            background: linear-gradient(to right, var(--primary-color), #4a5568);
            color: white;
            padding: 1.5rem;
            border-radius: var(--radius);
            margin: 2rem 0;
            box-shadow: var(--shadow);
        }
        .stats-box h3 {
            color: white;
            margin-top: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            display: block;
            margin: 1.5rem auto;
            transition: transform 0.5s ease;
        }
        img:hover {
            transform: scale(1.01);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-light);
            margin-top: -1rem;
            margin-bottom: 1.5rem;
            font-size: 0.9rem;
        }
        ul, ol {
            margin-left: 1.5rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        a {
            color: var(--accent-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            text-decoration: underline;
            color: #9b2c2c;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .widget {
            background-color: white;
            border-radius: var(--radius);
            padding: 1.5rem;
            box-shadow: var(--shadow);
        }
        .widget h3 {
            font-size: 1.3rem;
            margin-top: 0;
            margin-bottom: 1rem;
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex: 1;
            padding: 0.8rem;
            border: 2px solid var(--border-color);
            border-right: none;
            border-radius: var(--radius) 0 0 var(--radius);
            font-size: 1rem;
        }
        .search-button {
            background-color: var(--accent-color);
            color: white;
            border: none;
            padding: 0 1.2rem;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: #9b2c2c;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 1.8rem;
            color: #e2e8f0;
            margin: 0.5rem 0 1rem;
            cursor: pointer;
        }
        .stars i {
            padding: 0 0.1rem;
            transition: var(--transition);
        }
        .stars i:hover,
        .stars i.active {
            color: var(--highlight-color);
        }
        .comment-form textarea {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid var(--border-color);
            border-radius: var(--radius);
            font-family: inherit;
            font-size: 1rem;
            min-height: 120px;
            resize: vertical;
            margin-bottom: 0.8rem;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-group input {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid var(--border-color);
            border-radius: var(--radius);
            font-size: 1rem;
        }
        .submit-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: var(--radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            width: 100%;
        }
        .submit-btn:hover {
            background-color: #1a365d;
        }
        .update-time {
            color: var(--text-light);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-top: 1rem;
            padding-top: 1rem;
            border-top: 1px solid var(--border-color);
        }
        .site-footer {
            background-color: var(--primary-color);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }
        .footer-links h4 {
            color: white;
            margin-bottom: 1rem;
            font-size: 1.2rem;
        }
        .footer-links ul {
            list-style: none;
            margin-left: 0;
        }
        .footer-links li {
            margin-bottom: 0.5rem;
        }
        .footer-links a {
            color: #cbd5e0;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--highlight-color);
            padding-left: 0.3rem;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 1rem;
            border-radius: var(--radius);
            margin: 1rem 0;
            transition: var(--transition);
        }
        friend-link:hover {
            background-color: rgba(255, 255, 255, 0.1);
            transform: translateX(5px);
        }
        friend-link a {
            color: var(--highlight-color);
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: #a0aec0;
        }
        @media (max-width: 768px) {
            .main-nav ul {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .header-container {
                padding: 0 1rem;
            }
            .content-container, .breadcrumb {
                padding: 0 1rem;
            }
            .main-article {
                padding: 1.5rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .lead {
                font-size: 1.1rem;
                padding: 1rem;
            }
        }
        @media print {
            .site-header, .sidebar, .site-footer, .search-form, .comment-form, .rating-widget {
                display: none;
            }
            .content-container {
                grid-template-columns: 1fr;
                max-width: 100%;
            }
            body {
                color: black;
                background: white;
            }
            a {
                color: black;
                text-decoration: underline;
            }
        }