:root {
            --primary-color: #1a73e8;
            --secondary-color: #34a853;
            --accent-color: #ea4335;
            --dark-bg: #202124;
            --light-bg: #f8f9fa;
            --text-dark: #333;
            --text-light: #fff;
            --border-radius: 12px;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: var(--light-bg);
            color: var(--text-dark);
            line-height: 1.8;
            overflow-x: hidden;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--dark-bg) 0%, #3c4043 100%);
            color: var(--text-light);
            padding: 1.5rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-light);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo span {
            color: var(--accent-color);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 2rem;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .nav-links a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition);
            padding: 0.5rem 0.8rem;
            border-radius: var(--border-radius);
        }
        .nav-links a:hover,
        .nav-links a.active {
            background-color: var(--primary-color);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--text-light);
            background: none;
            border: none;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #e8f0fe;
            border-radius: 0 0 var(--border-radius) var(--border-radius);
            margin-bottom: 2rem;
        }
        .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(--primary-color);
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: 2rem 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        article {
            background: var(--text-light);
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--dark-bg);
            margin-bottom: 1.5rem;
            line-height: 1.3;
            border-bottom: 4px solid var(--secondary-color);
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-color);
            margin: 2.5rem 0 1.2rem;
            padding-left: 0.8rem;
            border-left: 5px solid var(--accent-color);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--secondary-color);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #666;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: var(--dark-bg);
            font-weight: 600;
            background: #e8f0fe;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin-bottom: 2rem;
            border-left: 5px solid var(--primary-color);
        }
        emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        strong {
            color: var(--accent-color);
            font-weight: 700;
        }
        a.article-link {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 2px dotted var(--primary-color);
            transition: var(--transition);
        }
        a.article-link:hover {
            color: var(--accent-color);
            border-bottom-style: solid;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: var(--border-radius);
            margin: 2rem auto;
            display: block;
            box-shadow: var(--shadow);
            transition: transform 0.5s ease;
        }
        .article-image:hover {
            transform: scale(1.02);
        }
        aside {
            background: var(--text-light);
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            height: fit-content;
            position: sticky;
            top: 120px;
        }
        .widget {
            margin-bottom: 2.5rem;
        }
        .widget h3 {
            font-size: 1.4rem;
            margin-bottom: 1.2rem;
            color: var(--dark-bg);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--secondary-color);
        }
        .search-form {
            display: flex;
            margin-bottom: 1rem;
        }
        .search-form input {
            flex: 1;
            padding: 0.9rem 1rem;
            border: 2px solid #ddd;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-form input:focus {
            outline: none;
            border-color: var(--primary-color);
        }
        .search-form button {
            background: var(--primary-color);
            color: var(--text-light);
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
            font-size: 1.2rem;
        }
        .search-form button:hover {
            background: var(--secondary-color);
        }
        .rating-form,
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            margin-bottom: 0.5rem;
        }
        .stars .star:hover,
        .stars .star.active {
            color: #ffc107;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-group label {
            font-weight: 600;
            color: var(--dark-bg);
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 0.9rem;
            border: 2px solid #ddd;
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.2);
        }
        .btn {
            background: var(--secondary-color);
            color: var(--text-light);
            border: none;
            padding: 1rem 2rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 700;
            font-size: 1.1rem;
            transition: var(--transition);
            text-align: center;
            text-decoration: none;
            display: inline-block;
        }
        .btn:hover {
            background: var(--primary-color);
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
        }
        .btn-block {
            display: block;
            width: 100%;
        }
        footer {
            background: var(--dark-bg);
            color: var(--text-light);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: var(--text-light);
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 0.7rem;
        }
        .footer-section h3::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 50px;
            height: 3px;
            background: var(--secondary-color);
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #bbb;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--text-light);
            padding-left: 0.5rem;
        }
        friend-link {
            display: inline-block;
            background: rgba(255, 255, 255, 0.1);
            padding: 0.5rem 1rem;
            border-radius: 20px;
            margin: 0.3rem;
            transition: var(--transition);
        }
        friend-link a {
            color: var(--text-light);
            text-decoration: none;
        }
        friend-link:hover {
            background: var(--primary-color);
            transform: translateY(-3px);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.95rem;
        }
        .update-time {
            background: var(--secondary-color);
            color: white;
            padding: 0.8rem 1.5rem;
            border-radius: var(--border-radius);
            display: inline-flex;
            align-items: center;
            gap: 0.8rem;
            margin: 1.5rem 0;
            font-weight: 600;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--dark-bg);
                padding: 1.5rem;
                box-shadow: var(--shadow);
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 576px) {
            .header-content {
                flex-direction: column;
                gap: 1rem;
            }
            article, aside {
                padding: 1.5rem;
            }
            .my-logo {
                font-size: 1.8rem;
            }
        }