* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
            background-attachment: fixed;
        }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4 { color: #2c3e50; font-weight: 700; margin-bottom: 1rem; }
        h1 { font-size: 2.8rem; line-height: 1.2; text-align: center; margin-top: 1.5rem; }
        h2 { font-size: 2.2rem; border-left: 5px solid #3498db; padding-left: 15px; margin-top: 2.5rem; }
        h3 { font-size: 1.8rem; color: #2980b9; margin-top: 2rem; }
        h4 { font-size: 1.4rem; color: #16a085; margin-top: 1.5rem; }
        p { margin-bottom: 1.2rem; font-size: 1.1rem; }
        a { color: #2980b9; text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: #e74c3c; }
        strong { color: #2c3e50; }
        .highlight { background-color: #fffacd; padding: 0.2rem 0.4rem; border-radius: 3px; }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(90deg, #2c3e50, #4a6491);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: #f1c40f;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            font-family: 'Arial Black', sans-serif;
        }
        .my-logo a { color: inherit; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .main-nav a {
            color: #ecf0f1;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
        }
        .main-nav a:hover {
            background-color: rgba(241, 196, 15, 0.2);
            color: #f1c40f;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: #34495e;
            padding: 1rem;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            box-shadow: 0 5px 10px rgba(0,0,0,0.2);
        }
        .mobile-nav.active { display: flex; }
        .mobile-nav a {
            color: white;
            padding: 0.8rem;
            border-bottom: 1px solid #4a6a8a;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.95rem;
            color: #7f8c8d;
            background-color: #f8f9fa;
            border-bottom: 1px solid #ddd;
        }
        .breadcrumb a { color: #3498db; }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2rem 0;
        }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
        }
        .sidebar {
            background: white;
            padding: 1.8rem;
            border-radius: 12px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.06);
            align-self: start;
        }
        .widget { margin-bottom: 2rem; }
        .widget-title {
            font-size: 1.3rem;
            color: #2c3e50;
            border-bottom: 2px solid #f1c40f;
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
        }
        .search-form {
            display: flex;
            margin-bottom: 1.5rem;
        }
        .search-form input {
            flex: 1;
            padding: 0.8rem;
            border: 2px solid #3498db;
            border-radius: 5px 0 0 5px;
            font-size: 1rem;
        }
        .search-form button {
            background: #3498db;
            color: white;
            border: none;
            padding: 0.8rem 1.2rem;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover { background: #2980b9; }
        .comment-form, .rating-form {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 8px;
            margin-top: 2rem;
        }
        .form-group { margin-bottom: 1rem; }
        .form-group label { display: block; margin-bottom: 0.5rem; font-weight: 600; }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 5px;
            font-size: 1rem;
        }
        .btn {
            background: linear-gradient(to right, #3498db, #2ecc71);
            color: white;
            padding: 0.8rem 1.8rem;
            border: none;
            border-radius: 5px;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .star-rating {
            direction: rtl;
            display: inline-block;
            font-size: 1.8rem;
        }
        .star-rating input { display: none; }
        .star-rating label {
            color: #ddd;
            cursor: pointer;
            padding: 0 0.1rem;
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: #f1c40f;
        }
        .featured-img {
            width: 100%;
            border-radius: 10px;
            overflow: hidden;
            margin: 2rem 0;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .featured-img img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .featured-img:hover img { transform: scale(1.03); }
        .link-list {
            columns: 2;
            list-style: none;
            margin: 1.5rem 0;
            padding: 0;
        }
        .link-list li { margin-bottom: 0.8rem; break-inside: avoid; }
        .link-list a {
            display: block;
            padding: 0.8rem 1rem;
            background: #f1f8ff;
            border-left: 4px solid #3498db;
            border-radius: 0 5px 5px 0;
        }
        .link-list a:hover {
            background: #e3f2fd;
            border-left-color: #e74c3c;
        }
        .site-footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-links h3 { color: #f1c40f; font-size: 1.3rem; margin-bottom: 1rem; }
        .footer-links ul { list-style: none; }
        .footer-links li { margin-bottom: 0.7rem; }
        .footer-links a { color: #bdc3c7; }
        .footer-links a:hover { color: #f1c40f; }
        friend-link {
            display: block;
            background: #34495e;
            padding: 1rem;
            border-radius: 6px;
            margin: 1rem 0;
            text-align: center;
            font-weight: bold;
        }
        friend-link a { color: #f1c40f; }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #4a5f7a;
            font-size: 0.9rem;
            color: #95a5a6;
        }
        @media (max-width: 992px) {
            main { grid-template-columns: 1fr; }
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
        }
        @media (max-width: 768px) {
            .main-nav { display: none; }
            .hamburger { display: block; }
            .header-content { padding: 0 15px; }
            .article-content { padding: 1.5rem; }
            .link-list { columns: 1; }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            .btn { width: 100%; }
        }
        .text-center { text-align: center; }
        .mb-2 { margin-bottom: 2rem; }
        .emoji { font-size: 1.2em; }
        .last-updated {
            font-style: italic;
            color: #7f8c8d;
            background: #f8f9fa;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            display: inline-block;
            margin-bottom: 1.5rem;
        }