:root {
            --primary: #1a365d; 
            --secondary: #c53030; 
            --accent: #ecc94b; 
            --light: #f7fafc;
            --dark: #2d3748;
            --gray: #718096;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --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);
            background-color: var(--light);
            max-width: 100%;
            overflow-x: hidden;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary) 0%, #2d3748 100%);
            color: white;
            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-size: 1.8rem;
            font-weight: 900;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--secondary);
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--accent);
        }
        .nav-links a:after {
            content: '';
            position: absolute;
            width: 0;
            height: 3px;
            background: var(--accent);
            left: 0;
            bottom: 0;
            transition: var(--transition);
        }
        .nav-links a:hover:after {
            width: 100%;
        }
        .hamburger {
            display: none;
            cursor: pointer;
            font-size: 1.5rem;
            color: white;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #edf2f7;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child):after {
            content: '>';
            margin-left: 0.5rem;
            color: var(--gray);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--accent);
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary);
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e2e8f0;
        }
        h3 {
            font-size: 1.5rem;
            color: var(--secondary);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.2rem;
            color: var(--dark);
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            color: var(--gray);
            font-weight: 500;
            margin-bottom: 2rem;
            padding: 1rem;
            background-color: #f8f9fa;
            border-left: 4px solid var(--accent);
        }
        .highlight {
            background-color: #fffacd;
            padding: 0.2rem 0.4rem;
            border-radius: 3px;
            font-weight: 600;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            margin: 2rem auto;
            border-radius: 8px;
            box-shadow: var(--shadow);
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: -1rem;
            margin-bottom: 2rem;
        }
        .quote {
            border-left: 4px solid var(--secondary);
            padding: 1.5rem;
            margin: 2rem 0;
            background-color: #fef2f2;
            font-style: italic;
        }
        .quote cite {
            display: block;
            margin-top: 1rem;
            font-weight: bold;
            color: var(--dark);
        }
        ul, ol {
            margin-bottom: 1.5rem;
            padding-left: 2rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            box-shadow: var(--shadow);
        }
        th, td {
            padding: 1rem;
            text-align: left;
            border-bottom: 1px solid #e2e8f0;
        }
        th {
            background-color: var(--primary);
            color: white;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background-color: #f7fafc;
        }
        tr:hover {
            background-color: #edf2f7;
        }
        .update-time {
            background-color: var(--primary);
            color: white;
            padding: 0.8rem;
            border-radius: 5px;
            margin: 2rem 0;
            display: inline-flex;
            align-items: center;
            gap: 0.7rem;
            font-weight: 600;
        }
        aside {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .widget {
            margin-bottom: 2.5rem;
        }
        .widget h3 {
            font-size: 1.3rem;
            color: var(--primary);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent);
        }
        .search-box {
            display: flex;
            margin-bottom: 1rem;
        }
        .search-box input {
            flex: 1;
            padding: 0.8rem;
            border: 1px solid #cbd5e0;
            border-radius: 5px 0 0 5px;
            font-size: 1rem;
        }
        .search-box button {
            background-color: var(--secondary);
            color: white;
            border: none;
            padding: 0 1.2rem;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: #9b2c2c;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 1.8rem;
            color: #e2e8f0;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars i {
            margin: 0 2px;
            transition: var(--transition);
        }
        .stars i:hover,
        .stars i.active {
            color: var(--accent);
        }
        .comment-form textarea {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #cbd5e0;
            border-radius: 5px;
            font-family: inherit;
            margin-bottom: 1rem;
            min-height: 120px;
        }
        .comment-form button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            width: 100%;
        }
        .comment-form button:hover {
            background-color: #2d3748;
        }
        .toc {
            list-style: none;
            padding-left: 0;
        }
        .toc li {
            margin-bottom: 0.8rem;
        }
        .toc a {
            color: var(--dark);
            display: block;
            padding: 0.5rem;
            border-radius: 5px;
        }
        .toc a:hover {
            background-color: #edf2f7;
            color: var(--secondary);
        }
        footer {
            background-color: var(--primary);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: var(--accent);
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #cbd5e0;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255,255,255,0.05);
            padding: 1rem;
            border-radius: 5px;
            margin-bottom: 1rem;
        }
        friend-link a {
            color: var(--accent);
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #4a5568;
            color: #a0aec0;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                flex-direction: column;
                background-color: var(--primary);
                padding: 2rem;
                transition: var(--transition);
                box-shadow: var(--shadow);
            }
            .nav-links.active {
                left: 0;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            article {
                padding: 1.5rem;
            }
        }