* { 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-color: #f9f9f9;
            overflow-x: hidden;
        }
        a { color: #2a5db0; text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: #e74c3c; }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4 { font-family: 'Arial Rounded MT Bold', 'Arial', sans-serif; color: #2c3e50; margin-bottom: 1rem; line-height: 1.3; }
        h1 { font-size: 2.8rem; margin-top: 1.5rem; border-bottom: 3px solid #3498db; padding-bottom: 0.5rem; }
        h2 { font-size: 2.2rem; margin-top: 2.5rem; padding-left: 0.5rem; border-left: 5px solid #2ecc71; }
        h3 { font-size: 1.8rem; margin-top: 2rem; color: #2980b9; }
        h4 { font-size: 1.4rem; margin-top: 1.5rem; color: #8e44ad; }
        p { margin-bottom: 1.5rem; text-align: justify; }
        .lead { font-size: 1.3rem; color: #555; font-weight: 300; }
        .highlight { background-color: #fffacd; padding: 0.2rem 0.5rem; border-radius: 3px; }
        .emoji { font-size: 1.2em; margin-right: 0.3rem; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #1a2980, #26d0ce);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.5rem;
            font-weight: bold;
            color: white;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
            letter-spacing: 1px;
        }
        .my-logo a { color: inherit; }
        .my-logo span { color: #f1c40f; }
        .nav-desktop { display: flex; gap: 1.5rem; }
        .nav-desktop a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
        }
        .nav-desktop a:hover { background-color: rgba(255,255,255,0.2); }
        .hamburger { display: none; font-size: 1.8rem; cursor: pointer; }
        #nav-toggle { display: none; }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: #2c3e50;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            box-shadow: 0 5px 10px rgba(0,0,0,0.2);
        }
        #nav-toggle:checked ~ .nav-mobile { display: flex; }
        .nav-mobile a { color: white; padding: 0.8rem; border-bottom: 1px solid #34495e; }
        .nav-mobile a:hover { background-color: #1a252f; }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #ecf0f1;
            font-size: 0.95rem;
        }
        .breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; }
        .breadcrumb li:not(:last-child)::after { content: '›'; margin: 0 0.5rem; color: #7f8c8d; }
        .breadcrumb a { color: #3498db; }
        .breadcrumb a:hover { text-decoration: underline; }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        .article-body { background-color: white; padding: 2rem; border-radius: 8px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); }
        .sidebar { background-color: white; padding: 1.5rem; border-radius: 8px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); }
        .widget { margin-bottom: 2rem; }
        .widget-title { font-size: 1.3rem; margin-bottom: 1rem; padding-bottom: 0.5rem; border-bottom: 2px solid #eee; }
        .search-form { display: flex; }
        .search-form input {
            flex-grow: 1;
            padding: 0.8rem;
            border: 2px solid #3498db;
            border-radius: 4px 0 0 4px;
            font-size: 1rem;
        }
        .search-form button {
            background-color: #3498db;
            color: white;
            border: none;
            padding: 0.8rem 1.2rem;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        .search-form button:hover { background-color: #2980b9; }
        .comment-form, .rating-form { display: flex; flex-direction: column; gap: 1rem; }
        .form-group label { display: block; margin-bottom: 0.3rem; font-weight: 600; }
        .form-control {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #bdc3c7;
            border-radius: 4px;
            font-size: 1rem;
        }
        textarea.form-control { min-height: 120px; resize: vertical; }
        .btn {
            display: inline-block;
            background: linear-gradient(to right, #2ecc71, #27ae60);
            color: white;
            padding: 0.8rem 1.5rem;
            border: none;
            border-radius: 4px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
        }
        .btn:hover { background: linear-gradient(to right, #27ae60, #219653); transform: translateY(-2px); box-shadow: 0 4px 8px rgba(0,0,0,0.1); }
        .btn-rating { background: linear-gradient(to right, #e67e22, #d35400); }
        .btn-rating:hover { background: linear-gradient(to right, #d35400, #c0392b); }
        .star-rating { display: flex; gap: 0.5rem; font-size: 1.5rem; color: #f1c40f; cursor: pointer; }
        .star-rating span:hover { color: #f39c12; }
        .featured-image {
            margin: 2rem 0;
            text-align: center;
            border: 1px solid #ddd;
            padding: 0.5rem;
            border-radius: 8px;
            background-color: #f8f9fa;
        }
        .featured-image figcaption { font-style: italic; color: #666; margin-top: 0.5rem; font-size: 0.9rem; }
        .link-list { list-style: none; padding-left: 1rem; }
        .link-list li { margin-bottom: 0.5rem; position: relative; padding-left: 1.5rem; }
        .link-list li::before { content: '🔗'; position: absolute; left: 0; }
        .internal-link { color: #8e44ad; font-weight: 600; border-bottom: 1px dashed #8e44ad; }
        .internal-link:hover { color: #9b59b6; border-bottom-style: solid; }
        .site-footer {
            background-color: #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; }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
        }
        friend-link a {
            color: #3498db;
        }
        friend-link a:hover {
            color: #1abc9c;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #34495e;
            font-size: 0.9rem;
            color: #95a5a6;
        }
        .text-center { text-align: center; }
        .mb-3 { margin-bottom: 1.5rem; }
        .mt-3 { margin-top: 1.5rem; }
        .updated-time { font-style: italic; color: #7f8c8d; font-size: 0.9rem; background-color: #f8f9fa; padding: 0.3rem 0.6rem; border-radius: 3px; }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .header-inner { flex-wrap: wrap; }
            .nav-desktop { display: none; }
            .hamburger { display: block; }
            .my-logo { font-size: 2rem; }
            .article-body, .sidebar { padding: 1.5rem; }
        }