:root {
            --primary: #FF6B35; 
            --secondary: #1A535C; 
            --dark: #2D3047; 
            --light: #F7FFF7; 
            --accent: #FFE66D; 
            --gray: #8A8D93;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --border-radius: 12px;
            --shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
            --transition: all 0.3s ease;
            --max-content-width: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: var(--dark);
            background-color: var(--light);
            font-size: 1.1rem;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--border-radius);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        ul, ol {
            padding-left: var(--spacing-md);
            margin-bottom: var(--spacing-sm);
        }
        li {
            margin-bottom: var(--spacing-xs);
        }
        .container {
            width: 100%;
            max-width: var(--max-content-width);
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }
        .text-center { text-align: center; }
        .mb-1 { margin-bottom: var(--spacing-xs); }
        .mb-2 { margin-bottom: var(--spacing-sm); }
        .mb-3 { margin-bottom: var(--spacing-md); }
        .mb-4 { margin-bottom: var(--spacing-lg); }
        .mt-4 { margin-top: var(--spacing-lg); }
        .py-2 { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
        .py-4 { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }
        .highlight {
            background-color: var(--accent);
            padding: 0.2em 0.4em;
            border-radius: 4px;
            font-weight: 600;
        }
        .btn {
            display: inline-block;
            background: var(--primary);
            color: white;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }
        .btn:hover {
            background: var(--secondary);
            color: white;
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }
        .site-header {
            background-color: var(--dark);
            color: var(--light);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: var(--spacing-sm) 0;
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            font-weight: bold;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 1px;
            text-shadow: 2px 2px 0 var(--secondary);
        }
        .my-logo:hover {
            color: var(--accent);
        }
        .desktop-nav {
            display: flex;
            gap: var(--spacing-md);
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
        }
        .desktop-nav a {
            color: var(--light);
            font-weight: 500;
            padding: 0.5rem;
            border-radius: 4px;
        }
        .desktop-nav a:hover, .desktop-nav a.active {
            background-color: rgba(255, 255, 255, 0.1);
            color: var(--accent);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--light);
            font-size: 1.8rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--secondary);
            padding: var(--spacing-sm);
            border-radius: 0 0 var(--border-radius) var(--border-radius);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            color: var(--light);
            padding: 0.8rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .mobile-nav a:last-child {
            border-bottom: none;
        }
        .mobile-nav a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            padding-left: 1.2rem;
        }
        .breadcrumb {
            background-color: #f0f0f0;
            padding: var(--spacing-xs) 0;
            font-size: 0.9rem;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--secondary);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .hero {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--dark) 100%);
            color: white;
            padding: var(--spacing-lg) 0;
            margin-bottom: var(--spacing-lg);
        }
        .hero-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-lg);
            align-items: center;
        }
        @media (max-width: 992px) {
            .hero-content {
                grid-template-columns: 1fr;
                text-align: center;
            }
        }
        .hero h1 {
            font-size: 3.2rem;
            line-height: 1.2;
            margin-bottom: var(--spacing-sm);
            color: var(--accent);
        }
        .hero-subtitle {
            font-size: 1.3rem;
            margin-bottom: var(--spacing-md);
            opacity: 0.9;
        }
        .search-section {
            background-color: white;
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin-bottom: var(--spacing-lg);
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-form input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: 2px solid #ddd;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
        }
        .search-form input:focus {
            border-color: var(--primary);
        }
        .search-form button {
            background: var(--primary);
            color: white;
            border: none;
            border-radius: 0 50px 50px 0;
            padding: 0 2rem;
            cursor: pointer;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .search-form button:hover {
            background: var(--secondary);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-body {
            background-color: white;
            padding: var(--spacing-lg);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        h1, h2, h3, h4 {
            color: var(--secondary);
            margin-top: var(--spacing-md);
            margin-bottom: var(--spacing-sm);
            line-height: 1.3;
        }
        h1 { font-size: 2.8rem; }
        h2 { font-size: 2.2rem; border-bottom: 3px solid var(--accent); padding-bottom: 0.5rem; }
        h3 { font-size: 1.8rem; }
        h4 { font-size: 1.4rem; color: var(--primary); }
        p {
            margin-bottom: var(--spacing-sm);
            text-align: justify;
        }
        blockquote {
            border-left: 5px solid var(--primary);
            padding-left: var(--spacing-md);
            margin: var(--spacing-md) 0;
            font-style: italic;
            color: var(--gray);
            background-color: rgba(255, 107, 53, 0.05);
            padding: var(--spacing-sm) var(--spacing-md);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .featured-img {
            float: right;
            width: 45%;
            margin: 0 0 var(--spacing-sm) var(--spacing-sm);
            shape-outside: circle(50%);
        }
        @media (max-width: 768px) {
            .featured-img {
                float: none;
                width: 100%;
                margin: 0 0 var(--spacing-sm) 0;
            }
        }
        .related-links {
            background-color: #f9f9f9;
            padding: var(--spacing-sm);
            border-radius: var(--border-radius);
            margin: var(--spacing-md) 0;
            border-left: 4px solid var(--secondary);
        }
        .related-links h4 {
            margin-top: 0;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }
        .sidebar-widget {
            background-color: white;
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            margin-top: 0;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #eee;
        }
        .rating-widget .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin-bottom: var(--spacing-sm);
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
        }
        .stars .star:hover,
        .stars .star.active {
            color: var(--accent);
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: var(--spacing-sm);
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-family: inherit;
        }
        .comment-form button {
            width: 100%;
        }
        .site-footer {
            background-color: var(--dark);
            color: var(--light);
            padding: var(--spacing-lg) 0 0;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        @media (max-width: 768px) {
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        .footer-widget h3 {
            color: var(--accent);
            font-size: 1.3rem;
            margin-bottom: var(--spacing-sm);
        }
        .footer-links {
            list-style: none;
            padding-left: 0;
        }
        .footer-links li a {
            color: #ccc;
            display: block;
            padding: 0.3rem 0;
        }
        .footer-links li a:hover {
            color: var(--primary);
            padding-left: 0.5rem;
        }
        friend-link {
            display: block;
            margin: 0.5rem 0;
        }
        friend-link a {
            color: var(--accent);
            font-weight: bold;
        }
        .copyright {
            text-align: center;
            padding: var(--spacing-md) 0;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        .update-time {
            font-size: 0.9rem;
            color: var(--gray);
            text-align: right;
            font-style: italic;
            margin-top: var(--spacing-md);
            padding-top: var(--spacing-sm);
            border-top: 1px dashed #eee;
        }