* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #0c9c3a;
            --secondary-color: #1a73e8;
            --accent-color: #ff6b00;
            --dark-color: #202124;
            --light-color: #f8f9fa;
            --text-color: #333;
            --border-radius: 8px;
            --box-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: 1.7;
            color: var(--text-color);
            background-color: #fff;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: var(--secondary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-color);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul, ol {
            padding-left: 1.5em;
            margin-bottom: 1.5rem;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            background: var(--primary-color);
            color: white;
            padding: 12px 28px;
            border-radius: var(--border-radius);
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn:hover {
            background: var(--secondary-color);
            transform: translateY(-3px);
        }
        .site-header {
            background: var(--dark-color);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.2);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo span:nth-child(1) {
            color: var(--primary-color);
        }
        .my-logo span:nth-child(2) {
            color: var(--secondary-color);
        }
        .my-logo:hover {
            color: white;
            opacity: 0.9;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 2rem;
        }
        .nav-links {
            display: flex;
            gap: 1.8rem;
            list-style: none;
        }
        .nav-links a {
            color: white;
            font-weight: 500;
            padding: 5px 0;
            border-bottom: 2px solid transparent;
        }
        .nav-links a:hover, .nav-links a.active {
            color: var(--accent-color);
            border-bottom-color: var(--accent-color);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            background: #f1f3f4;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #5f6368;
        }
        .breadcrumb a:last-child {
            color: var(--dark-color);
            font-weight: 600;
        }
        .breadcrumb i {
            margin: 0 8px;
            color: #aaa;
        }
        .search-section {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            padding: 3rem 0;
            text-align: center;
            color: white;
        }
        .search-form {
            max-width: 600px;
            margin: 2rem auto 0;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: var(--box-shadow);
        }
        .search-input {
            flex: 1;
            padding: 18px 25px;
            border: none;
            font-size: 1.1rem;
        }
        .search-btn {
            background: var(--accent-color);
            color: white;
            border: none;
            padding: 0 30px;
            cursor: pointer;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: #ff8533;
        }
        main {
            flex: 1;
            padding: 3rem 0;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-body {
            font-size: 1.1rem;
        }
        .article-body h1 {
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            color: var(--dark-color);
            line-height: 1.2;
        }
        .article-body h2 {
            font-size: 2.1rem;
            margin: 3rem 0 1.5rem;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--primary-color);
            color: var(--dark-color);
        }
        .article-body h3 {
            font-size: 1.7rem;
            margin: 2.5rem 0 1rem;
            color: var(--secondary-color);
        }
        .article-body h4 {
            font-size: 1.4rem;
            margin: 2rem 0 1rem;
            color: #555;
        }
        .article-body p {
            margin-bottom: 1.8rem;
            text-align: justify;
        }
        .article-body strong {
            color: var(--dark-color);
            font-weight: 700;
        }
        .highlight-box {
            background: #e8f5e9;
            border-left: 5px solid var(--primary-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .image-wrapper {
            margin: 2.5rem auto;
            text-align: center;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--box-shadow);
            max-width: 800px;
        }
        .image-wrapper img {
            width: 100%;
        }
        .image-caption {
            font-style: italic;
            padding: 10px;
            background: #f5f5f5;
            color: #666;
            font-size: 0.95rem;
        }
        .link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin: 2rem 0;
            list-style: none;
            padding: 0;
        }
        .link-list li a {
            background: var(--light-color);
            padding: 10px 20px;
            border-radius: var(--border-radius);
            border: 1px solid #ddd;
            display: block;
        }
        .link-list li a:hover {
            background: var(--secondary-color);
            color: white;
            border-color: var(--secondary-color);
        }
        .update-time {
            font-size: 0.95rem;
            color: #777;
            margin-top: 4rem;
            padding-top: 1rem;
            border-top: 1px dashed #ccc;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar {
            background: var(--light-color);
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            margin-bottom: 1.2rem;
            color: var(--dark-color);
            padding-bottom: 8px;
            border-bottom: 2px solid var(--primary-color);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #ffc107;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars i {
            transition: var(--transition);
            margin: 0 2px;
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .comment-section {
            margin-top: 4rem;
            background: #f9f9f9;
            padding: 2.5rem;
            border-radius: var(--border-radius);
        }
        .comment-form .form-group {
            margin-bottom: 1.5rem;
        }
        .comment-form input,
        .comment-form textarea {
            width: 100%;
            padding: 15px;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        .comment-form input:focus,
        .comment-form textarea:focus {
            border-color: var(--secondary-color);
            outline: none;
            box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
        }
        .comment-list {
            margin-top: 3rem;
        }
        .comment-item {
            background: white;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin-bottom: 1.5rem;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        }
        site-footer {
            background: var(--dark-color);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: auto;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 3rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .footer-links h4 {
            color: var(--accent-color);
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
        }
        .footer-links ul {
            list-style: none;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #ccc;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.05);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
        }
        friend-link a {
            color: var(--primary-color);
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .mobile-toggle {
                display: block;
            }
            .main-nav {
                width: 100%;
                order: 3;
                margin-top: 1rem;
                display: none;
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }
            .main-nav.active {
                display: flex;
            }
            .nav-links {
                flex-direction: column;
                gap: 1rem;
                width: 100%;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links a {
                display: block;
                padding: 10px 0;
                border-bottom: 1px solid #444;
            }
            .article-body h1 {
                font-size: 2.2rem;
            }
            .article-body h2 {
                font-size: 1.8rem;
            }
            .article-body h3 {
                font-size: 1.5rem;
            }
            .content-grid {
                gap: 2rem;
            }
            .sidebar {
                position: static;
            }
        }