* { 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: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: #5865F2; text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: #4752c4; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; }
        .site-header {
            background: #23272a;
            color: white;
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .header-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1.5rem;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #5865F2, #57F287);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo:hover { text-decoration: none; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: white;
            font-weight: 500;
            padding: 0.5rem;
            border-radius: 4px;
        }
        .main-nav a:hover {
            background-color: #5865F2;
            text-decoration: none;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            border-bottom: 1px solid #ddd;
        }
        .breadcrumb a { color: #555; }
        .breadcrumb span { color: #888; }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .search-container {
            background: #2c2f33;
            padding: 1.5rem 2rem;
            text-align: center;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
        }
        .search-form input {
            flex-grow: 1;
            padding: 0.8rem 1rem;
            border: none;
            border-radius: 4px 0 0 4px;
            font-size: 1rem;
        }
        .search-form button {
            background: #5865F2;
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            font-weight: 600;
        }
        .search-form button:hover { background: #4752c4; }
        .main-content {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
            flex-grow: 1;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        article {
            background: white;
            padding: 3rem;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
        }
        .sidebar {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
            align-self: start;
            position: sticky;
            top: 140px;
        }
        h1 {
            font-size: 2.8rem;
            color: #23272a;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid #57F287;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: #5865F2;
            margin: 2.5rem 0 1rem;
            padding-top: 1rem;
        }
        h3 {
            font-size: 1.5rem;
            color: #2c2f33;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.2rem;
            color: #4f545c;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .intro {
            font-size: 1.2rem;
            color: #555;
            background: #f8f9fa;
            padding: 1.5rem;
            border-left: 4px solid #5865F2;
            border-radius: 0 8px 8px 0;
            margin-bottom: 2rem;
        }
        .highlight {
            background: linear-gradient(120deg, #57F28722, #5865F222);
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
            border-left: 4px solid #57F287;
        }
        em, strong { color: #23272a; }
        .emoji { font-size: 1.2em; }
        .article-img {
            width: 100%;
            border-radius: 10px;
            margin: 2rem auto;
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
        }
        .interactive-section {
            background: #f8f9fa;
            border-radius: 10px;
            padding: 2rem;
            margin: 3rem 0;
            border: 1px solid #e1e5eb;
        }
        .interactive-section h3 { margin-top: 0; }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1rem;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
        }
        .stars .active { color: #ffc107; }
        textarea, input[type="text"], input[type="email"] {
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
        }
        button[type="submit"] {
            background: #57F287;
            color: #23272a;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 6px;
            font-weight: 700;
            cursor: pointer;
            align-self: flex-start;
            transition: background 0.3s;
        }
        button[type="submit"]:hover { background: #4ad174; }
        .sidebar h3 { color: #5865F2; font-size: 1.3rem; margin-top: 0; }
        .related-links {
            list-style: none;
            margin-top: 1.5rem;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-left: 1.2rem;
            position: relative;
        }
        .related-links li:before {
            content: '➤';
            color: #57F287;
            position: absolute;
            left: 0;
        }
        .update-info {
            font-size: 0.9rem;
            color: #666;
            background: #f1f3f5;
            padding: 0.8rem;
            border-radius: 6px;
            margin-top: 2rem;
        }
        .site-footer {
            background: #23272a;
            color: #99aab5;
            padding: 3rem 2rem 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
        }
        .footer-section h4 {
            color: white;
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
        }
        .footer-links { list-style: none; }
        .footer-links li { margin-bottom: 0.7rem; }
        .footer-links a { color: #99aab5; }
        .footer-links a:hover { color: white; }
        friend-link {
            display: block;
            margin: 1rem 0;
            padding: 0.8rem;
            background: #2c2f33;
            border-radius: 6px;
        }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid #2c2f33;
            font-size: 0.9rem;
            color: #72767d;
        }
        @media (max-width: 1024px) {
            .main-content { grid-template-columns: 1fr; gap: 2rem; }
            .sidebar { position: static; }
        }
        @media (max-width: 768px) {
            .header-container { flex-direction: column; align-items: flex-start; }
            .main-nav { width: 100%; display: none; }
            .main-nav.active { display: block; }
            .main-nav ul { flex-direction: column; gap: 0.5rem; }
            .hamburger { display: block; align-self: flex-end; margin-top: -3rem; }
            .main-content { padding: 0 1rem; }
            article { padding: 2rem 1.5rem; }
            h1 { font-size: 2.2rem; }
            .breadcrumb { padding: 0.8rem 1rem; }
        }