:root {
            --primary: #1a365d;
            --secondary: #e53e3e;
            --accent: #38b2ac;
            --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;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--dark);
            background-color: #f9f9f9;
            max-width: 100%;
            overflow-x: hidden;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary) 0%, #2c5282 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;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: white;
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo:hover {
            color: var(--accent);
            transform: scale(1.05);
        }
        .my-logo i {
            font-size: 2rem;
            color: var(--secondary);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: rgba(255, 255, 255, 0.15);
            color: var(--accent);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .breadcrumb {
            max-width: 1200px;
            margin: 1rem auto;
            padding: 0 1.5rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            background: var(--light);
            padding: 0.75rem 1.5rem;
            border-radius: 8px;
            box-shadow: var(--shadow);
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin: 0 10px;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 1.5rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        h1 {
            color: var(--primary);
            font-size: 2.8rem;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            padding-bottom: 1rem;
            border-bottom: 4px solid var(--accent);
        }
        h2 {
            color: var(--primary);
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem;
            padding-left: 0.75rem;
            border-left: 5px solid var(--secondary);
        }
        h3 {
            color: var(--dark);
            font-size: 1.6rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: var(--dark);
            font-size: 1.3rem;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: var(--primary);
            font-weight: 500;
            background: rgba(56, 178, 172, 0.08);
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 4px solid var(--accent);
            margin-bottom: 2.5rem;
        }
        .highlight {
            background: linear-gradient(120deg, rgba(229, 62, 62, 0.15) 0%, rgba(229, 62, 62, 0) 100%);
            padding: 1.5rem;
            border-radius: 8px;
            border: 1px solid rgba(229, 62, 62, 0.3);
            margin: 1.5rem 0;
        }
        .featured-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 12px;
            margin: 2rem 0;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
            transition: transform 0.5s ease;
        }
        .featured-image:hover {
            transform: scale(1.01);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: -1.5rem;
            margin-bottom: 2rem;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        a.content-link {
            color: var(--secondary);
            text-decoration: none;
            border-bottom: 1px dotted var(--secondary);
            transition: var(--transition);
            font-weight: 600;
        }
        a.content-link:hover {
            color: var(--primary);
            border-bottom: 2px solid var(--primary);
        }
        strong {
            color: var(--primary);
        }
        em {
            color: var(--accent);
            font-style: italic;
        }
        blockquote {
            border-left: 4px solid var(--accent);
            padding-left: 1.5rem;
            margin: 2rem 0;
            color: var(--dark);
            font-style: italic;
            background: rgba(56, 178, 172, 0.05);
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
        }
        aside {
            background: white;
            padding: 1.8rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
            height: fit-content;
            position: sticky;
            top: 120px;
        }
        .widget {
            margin-bottom: 2.5rem;
        }
        .widget-title {
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent);
        }
        .search-form {
            display: flex;
            margin-bottom: 1rem;
        }
        .search-input {
            flex: 1;
            padding: 0.85rem;
            border: 2px solid #e2e8f0;
            border-radius: 6px 0 0 6px;
            font-size: 1rem;
        }
        .search-button {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-button:hover {
            background: #c53030;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 1.8rem;
            color: #ffc107;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars i {
            margin: 0 2px;
            transition: var(--transition);
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
            margin-bottom: 1rem;
            resize: vertical;
            min-height: 120px;
        }
        .submit-btn {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0.85rem 2rem;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            width: 100%;
        }
        .submit-btn:hover {
            background: #2c5282;
            transform: translateY(-3px);
        }
        footer {
            background: var(--primary);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            display: block;
        }
        .footer-links h4 {
            color: white;
            margin-bottom: 1.2rem;
            font-size: 1.3rem;
        }
        .footer-links ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #cbd5e0;
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.05);
            padding: 1.2rem;
            border-radius: 8px;
            margin-bottom: 1rem;
            transition: var(--transition);
        }
        friend-link:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateX(5px);
        }
        friend-link a {
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 500;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #a0aec0;
            font-size: 0.95rem;
        }
        .update-time {
            background: rgba(56, 178, 172, 0.1);
            padding: 1rem;
            border-radius: 8px;
            margin: 2rem 0;
            font-style: italic;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        @media (max-width: 992px) {
            .container {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
            h1 {
                font-size: 2.4rem;
            }
        }
        @media (max-width: 768px) {
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--primary);
                padding: 1rem;
                box-shadow: var(--shadow);
            }
            .main-nav.active ul {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .header-container {
                padding: 0 1rem;
            }
            article {
                padding: 1.8rem;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .lead {
                font-size: 1.1rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        article, aside, .breadcrumb {
            animation: fadeIn 0.8s ease-out;
        }
        @media print {
            .site-header, .breadcrumb, aside, footer, .search-form, .rating-widget, .comment-form {
                display: none;
            }
            body {
                background: white;
                color: black;
            }
            article {
                box-shadow: none;
                padding: 0;
            }
        }