* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #58CC02;
            --secondary-color: #1CB0F6;
            --dark-color: #2E2E2E;
            --light-color: #F8F9FA;
            --accent-color: #FF6B35;
            --text-color: #333333;
            --gray-light: #E9ECEF;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: var(--light-color);
            overflow-x: hidden;
        }
        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1rem;
            color: var(--dark-color);
        }
        h1 {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            margin-bottom: 1.5rem;
        }
        h2 {
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            border-left: 5px solid var(--primary-color);
            padding-left: 1rem;
            margin-top: 3rem;
        }
        h3 {
            font-size: 1.5rem;
            margin-top: 2rem;
            color: var(--secondary-color);
        }
        h4 {
            font-size: 1.2rem;
            margin-top: 1.5rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.05rem;
        }
        a {
            color: var(--secondary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-color);
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        header {
            background-color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .my-logo i {
            color: var(--secondary-color);
        }
        .my-logo:hover {
            text-decoration: none;
            color: var(--primary-color);
        }
        .desktop-nav {
            display: flex;
            gap: 2rem;
        }
        .desktop-nav a {
            font-weight: 600;
            color: var(--dark-color);
            padding: 0.5rem 0;
            position: relative;
        }
        .desktop-nav a:hover {
            text-decoration: none;
            color: var(--primary-color);
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--primary-color);
            transition: var(--transition);
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            cursor: pointer;
            color: var(--dark-color);
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: white;
            padding: 1rem;
            box-shadow: var(--shadow);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            padding: 0.8rem 1rem;
            border-bottom: 1px solid var(--gray-light);
            font-weight: 600;
        }
        .mobile-nav a:last-child {
            border-bottom: none;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: var(--gray-light);
            margin-bottom: 2rem;
        }
        .breadcrumb ul {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 0.5rem;
            color: #666;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 2px solid var(--gray-light);
            flex-wrap: wrap;
            gap: 1rem;
        }
        .update-time {
            color: #666;
            font-style: italic;
        }
        .featured-image {
            width: 100%;
            height: auto;
            border-radius: 10px;
            margin: 2rem 0;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
        }
        .highlight-box {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            border-left: 5px solid var(--secondary-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .highlight-box h4 {
            margin-top: 0;
            color: var(--dark-color);
        }
        .quote {
            font-style: italic;
            font-size: 1.2rem;
            color: #555;
            padding: 1.5rem;
            background-color: #f8f9fa;
            border-radius: 8px;
            margin: 2rem 0;
            position: relative;
        }
        .quote::before {
            content: '"';
            font-size: 4rem;
            color: var(--primary-color);
            position: absolute;
            top: -10px;
            left: 10px;
            opacity: 0.3;
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 2rem 0;
        }
        .link-item {
            background-color: var(--light-color);
            padding: 1rem;
            border-radius: 8px;
            transition: var(--transition);
        }
        .link-item:hover {
            background-color: #e9ecef;
            transform: translateY(-3px);
        }
        .interactive-section {
            margin: 3rem 0;
            padding: 2rem;
            background-color: #f8f9fa;
            border-radius: 12px;
            border: 2px dashed var(--primary-color);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            color: #ddd;
            cursor: pointer;
            font-size: 1.5rem;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #FFC107;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-control {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(88, 204, 2, 0.2);
        }
        .btn {
            display: inline-block;
            padding: 0.8rem 1.8rem;
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }
        .btn:hover {
            background-color: #4CAF50;
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
            text-decoration: none;
            color: white;
        }
        .btn-secondary {
            background-color: var(--secondary-color);
        }
        .btn-secondary:hover {
            background-color: #1A8CD8;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background-color: white;
            padding: 1.5rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            margin-top: 0;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--primary-color);
        }
        .comments-section {
            margin-top: 3rem;
        }
        .comment {
            background-color: white;
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 1.5rem;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
            border-left: 4px solid var(--secondary-color);
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 1rem;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .comment-author {
            font-weight: 600;
            color: var(--dark-color);
        }
        .comment-date {
            color: #666;
            font-size: 0.9rem;
        }
        footer {
            background-color: var(--dark-color);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #ccc;
        }
        .footer-links a:hover {
            color: white;
            text-decoration: none;
        }
        friend-link {
            display: inline-block;
            background-color: rgba(255, 255, 255, 0.1);
            padding: 0.5rem 1rem;
            border-radius: 6px;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
            transition: var(--transition);
        }
        friend-link:hover {
            background-color: rgba(255, 255, 255, 0.2);
        }
        friend-link a {
            color: white;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .desktop-nav {
                display: none;
            }
            .header-container {
                padding: 0.8rem 0;
            }
            .article-content {
                padding: 1.5rem;
            }
            .interactive-section {
                padding: 1.5rem;
            }
            .form-group {
                margin-bottom: 1rem;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 576px) {
            .container {
                padding: 0 1rem;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .article-meta {
                flex-direction: column;
                align-items: flex-start;
            }
            .link-list {
                grid-template-columns: 1fr;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.6s ease-out;
        }
        .text-center { text-align: center; }
        .text-bold { font-weight: 700; }
        .text-primary { color: var(--primary-color); }
        .text-secondary { color: var(--secondary-color); }
        .bg-light { background-color: var(--light-color); }
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .mt-3 { margin-top: 3rem; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .mb-3 { margin-bottom: 3rem; }
        .emoji { font-size: 1.2rem; margin-right: 0.3rem; }