* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-color: #1a73e8;
            --secondary-color: #e53935;
            --dark-bg: #121212;
            --light-bg: #f8f9fa;
            --text-dark: #333;
            --text-light: #f1f1f1;
            --border-color: #ddd;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        body {
            background-color: var(--light-bg);
            color: var(--text-dark);
            line-height: 1.6;
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-color);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--dark-bg);
            color: var(--text-light);
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo a {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo a:hover {
            color: var(--primary-color);
        }
        .my-logo i {
            color: var(--secondary-color);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 1.5rem;
        }
        .nav-links a {
            color: var(--text-light);
            font-weight: 500;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
        }
        .nav-links a:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--text-light);
        }
        .search-form {
            display: flex;
            margin-left: 2rem;
        }
        .search-form input {
            padding: 0.5rem 1rem;
            border: none;
            border-radius: 4px 0 0 4px;
            width: 200px;
        }
        .search-form button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0.5rem 1rem;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
        }
        .search-form button:hover {
            background-color: #0d62d9;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.8rem 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
        }
        .breadcrumb span {
            color: #777;
        }
        main {
            padding: 2rem 0;
        }
        article {
            background-color: white;
            padding: 2.5rem;
            border-radius: 8px;
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 2.5rem;
            color: var(--dark-bg);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
            color: var(--primary-color);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border-color);
        }
        h3 {
            font-size: 1.4rem;
            margin: 1.5rem 0 0.8rem;
            color: var(--secondary-color);
        }
        h4 {
            font-size: 1.1rem;
            margin: 1.2rem 0 0.5rem;
            color: #555;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        strong {
            color: var(--dark-bg);
        }
        .highlight {
            background-color: #fff9c4;
            padding: 0.2rem 0.4rem;
            border-radius: 3px;
            font-weight: bold;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .content-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 8px;
            margin: 1.5rem auto;
            display: block;
            box-shadow: var(--shadow);
        }
        blockquote {
            border-left: 4px solid var(--primary-color);
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
            color: #555;
            background-color: #f9f9f9;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
        }
        ul, ol {
            margin-left: 1.5rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .related-links {
            background-color: #e3f2fd;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .related-links h3 {
            color: var(--primary-color);
        }
        .related-links ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 0.8rem;
            list-style: none;
            margin-left: 0;
        }
        .related-links li a {
            display: block;
            padding: 0.8rem;
            background-color: white;
            border-radius: 5px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.05);
        }
        .related-links li a:hover {
            background-color: var(--primary-color);
            color: white;
        }
        .user-interaction {
            background-color: #f5f5f5;
            padding: 2rem;
            border-radius: 8px;
            margin-top: 3rem;
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        .comment-box textarea, .score-box select, .search-box input {
            width: 100%;
            padding: 0.8rem;
            margin-top: 0.5rem;
            border: 1px solid var(--border-color);
            border-radius: 4px;
        }
        .comment-box button, .score-box button, .search-box button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 4px;
            cursor: pointer;
            margin-top: 1rem;
            transition: var(--transition);
        }
        .comment-box button:hover, .score-box button:hover, .search-box button:hover {
            background-color: #0d62d9;
        }
        .stars {
            display: flex;
            gap: 5px;
            margin-top: 0.5rem;
        }
        .stars i {
            color: #ffc107;
            cursor: pointer;
        }
        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(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-section h3 {
            color: var(--text-light);
            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;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: #333;
            padding: 1rem;
            border-radius: 5px;
            margin-top: 1rem;
        }
        friend-link a {
            color: #4fc3f7;
        }
        .copyright {
            text-align: center;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid #444;
            font-size: 0.9rem;
            color: #aaa;
        }
        .update-time {
            font-size: 0.9rem;
            color: #777;
            margin-top: 2rem;
            text-align: right;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            article { padding: 1.8rem; }
        }
        @media (max-width: 768px) {
            .header-container { flex-wrap: wrap; }
            .nav-links { display: none; flex-direction: column; width: 100%; margin-top: 1rem; }
            .nav-links.active { display: flex; }
            .hamburger { display: block; }
            .search-form { margin-left: 0; margin-top: 1rem; width: 100%; }
            .search-form input { width: 100%; }
        }
        @media (max-width: 576px) {
            .container { padding: 0 15px; }
            article { padding: 1.5rem; }
            h1 { font-size: 1.8rem; }
            .related-links ul { grid-template-columns: 1fr; }
            .interaction-grid { grid-template-columns: 1fr; }
        }