* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-green: #2ecc71;
            --dark-green: #27ae60;
            --light-green: #a3e4d7;
            --accent-orange: #e67e22;
            --dark-bg: #1a1a2e;
            --content-bg: #f8f9fa;
            --text-dark: #2c3e50;
            --text-light: #ecf0f1;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --border-radius: 12px;
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--content-bg);
            overflow-x: hidden;
        }
        a {
            color: var(--dark-green);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-orange);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--border-radius);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: var(--dark-bg);
            color: var(--text-light);
            padding: 1.2rem 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: 2.2rem;
            font-weight: 800;
            color: var(--primary-green);
            text-transform: uppercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--accent-orange);
        }
        .my-logo:hover {
            color: var(--light-green);
            text-decoration: none;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: var(--text-light);
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a:hover {
            color: var(--primary-green);
            text-decoration: none;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--primary-green);
            transition: var(--transition);
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--primary-green);
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 1rem 0;
            margin-bottom: 2rem;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin: 0 10px;
            color: #6c757d;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin: 2.5rem 0;
        }
        .article-content {
            background-color: white;
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .sidebar {
            background-color: white;
            padding: 1.8rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--dark-green);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 4px solid var(--light-green);
            padding-bottom: 0.8rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--dark-bg);
            margin: 2.5rem 0 1.2rem;
            padding-left: 10px;
            border-left: 5px solid var(--accent-orange);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--dark-green);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--accent-orange);
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--dark-bg);
            background-color: #f1f8e9;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin-bottom: 2.5rem;
            border-left: 5px solid var(--primary-green);
        }
        .highlight {
            background-color: #fffde7;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            border: 2px dashed var(--accent-orange);
            margin: 1.8rem 0;
        }
        .info-box {
            background-color: #e3f2fd;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 1.8rem 0;
            border-left: 5px solid #2196f3;
        }
        .quote {
            font-style: italic;
            padding: 1.5rem;
            background-color: #f5f5f5;
            border-radius: var(--border-radius);
            margin: 1.8rem 0;
            border-left: 5px solid #9e9e9e;
        }
        .search-widget {
            margin-bottom: 2.5rem;
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid var(--primary-green);
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
            outline: none;
        }
        .search-btn {
            background-color: var(--primary-green);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: var(--dark-green);
        }
        .rating-widget, .comments-widget {
            margin: 2.5rem 0;
            padding-top: 2rem;
            border-top: 2px solid #eee;
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            margin: 1rem 0;
            font-size: 1.8rem;
            color: #ffd700;
        }
        .rating-stars i {
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        .btn {
            display: inline-block;
            background-color: var(--primary-green);
            color: white;
            padding: 0.8rem 1.8rem;
            border-radius: 50px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
            margin-top: 1rem;
        }
        .btn:hover {
            background-color: var(--dark-green);
            color: white;
            text-decoration: none;
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(46, 204, 113, 0.3);
        }
        .btn-orange {
            background-color: var(--accent-orange);
        }
        .btn-orange:hover {
            background-color: #d35400;
            box-shadow: 0 6px 12px rgba(230, 126, 34, 0.3);
        }
        textarea, input[type="text"], input[type="email"] {
            width: 100%;
            padding: 0.9rem;
            margin-bottom: 1.2rem;
            border: 2px solid #ddd;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        textarea:focus, input[type="text"]:focus, input[type="email"]:focus {
            border-color: var(--primary-green);
            outline: none;
        }
        .sidebar h3 {
            color: var(--dark-bg);
            font-size: 1.4rem;
            margin-top: 0;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid #eee;
        }
        .link-list {
            list-style: none;
            margin: 1.5rem 0;
        }
        .link-list li {
            margin-bottom: 0.8rem;
            padding-left: 1.2rem;
            position: relative;
        }
        .link-list li::before {
            content: '▶';
            color: var(--primary-green);
            position: absolute;
            left: 0;
            font-size: 0.8rem;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .stat-box {
            background-color: #f8f9fa;
            padding: 1rem;
            border-radius: var(--border-radius);
            text-align: center;
            border: 1px solid #eee;
        }
        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--dark-green);
            display: block;
        }
        .stat-label {
            font-size: 0.9rem;
            color: #666;
        }
        .site-footer {
            background-color: var(--dark-bg);
            color: var(--text-light);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2.5rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary-green);
            margin-bottom: 1.2rem;
        }
        .footer-nav ul {
            list-style: none;
        }
        .footer-nav li {
            margin-bottom: 0.8rem;
        }
        .footer-nav a {
            color: #bdc3c7;
        }
        .footer-nav a:hover {
            color: var(--primary-green);
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 1.2rem;
            border-radius: var(--border-radius);
            margin-bottom: 1rem;
            transition: var(--transition);
        }
        friend-link:hover {
            background-color: rgba(255, 255, 255, 0.1);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #95a5a6;
            font-size: 0.9rem;
        }
        .update-time {
            background-color: #fff3cd;
            color: #856404;
            padding: 0.8rem;
            border-radius: var(--border-radius);
            font-size: 0.9rem;
            margin: 1.5rem 0;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .footer-container {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 80px);
                background-color: var(--dark-bg);
                transition: var(--transition);
                padding: 2rem;
                z-index: 999;
            }
            .main-nav.active {
                left: 0;
            }
            .main-nav ul {
                flex-direction: column;
                align-items: center;
                gap: 1.5rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .footer-container {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .header-container {
                padding: 0 15px;
            }
        }
        @media (max-width: 480px) {
            .article-content {
                padding: 1.5rem;
            }
            h1 {
                font-size: 1.9rem;
            }
            .my-logo {
                font-size: 1.6rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .article-content {
            animation: fadeIn 0.8s ease-out;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 5px;
        }
        .keyword {
            background-color: #e8f5e9;
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            font-weight: 600;
            color: var(--dark-green);
        }
        .tip {
            background-color: #e1f5fe;
            border-left: 4px solid #03a9f4;
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }