* { 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: #f8f9fa;
            max-width: 1920px;
            margin: 0 auto;
            overflow-x: hidden;
        }
        a { text-decoration: none; color: #4a6fa5; transition: color 0.3s; }
        a:hover { color: #2c4d7a; }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4 { font-weight: 700; line-height: 1.3; margin-bottom: 1rem; color: #2c3e50; }
        h1 { font-size: 2.8rem; margin-top: 1.5rem; }
        h2 { font-size: 2.2rem; margin-top: 2.5rem; padding-bottom: 0.5rem; border-bottom: 2px solid #eee; }
        h3 { font-size: 1.8rem; margin-top: 2rem; }
        h4 { font-size: 1.4rem; margin-top: 1.5rem; }
        p, li { margin-bottom: 1.2rem; font-size: 1.1rem; }
        .lead { font-size: 1.3rem; font-weight: 300; color: #555; }
        .highlight { background-color: #fffacd; padding: 0.2rem 0.4rem; border-radius: 3px; }
        em { font-style: italic; }
        strong { font-weight: 700; color: #2c3e50; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 30px 0;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        .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-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a.my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
        }
        .logo a.my-logo:hover { color: #ffdd40; }
        .logo i { margin-right: 10px; }
        .nav-desktop { display: flex; }
        .nav-desktop ul {
            display: flex;
            list-style: none;
        }
        .nav-desktop li { margin-left: 1.8rem; }
        .nav-desktop a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }
        .nav-desktop a:hover { border-bottom-color: #ffdd40; }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
            .hamburger { display: block; }
            .nav-mobile {
                display: none;
                flex-direction: column;
                background: #1a2980;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                padding: 1rem;
                box-shadow: 0 5px 10px rgba(0,0,0,0.2);
            }
            .nav-mobile.active { display: flex; }
            .nav-mobile ul { list-style: none; }
            .nav-mobile li { margin: 0.8rem 0; }
            .nav-mobile a { color: white; font-size: 1.2rem; }
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #f1f8ff;
            font-size: 0.95rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin: 0 10px;
            color: #888;
        }
        .breadcrumb a { color: #4a6fa5; }
        .breadcrumb a:hover { text-decoration: underline; }
        .search-module {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin: 2rem 0;
        }
        .search-module h3 { margin-top: 0; }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-input {
            flex-grow: 1;
            padding: 12px 15px;
            border: 2px solid #ddd;
            border-radius: 5px;
            font-size: 1rem;
        }
        .search-btn {
            padding: 12px 25px;
            background: #4a6fa5;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }
        .search-btn:hover { background: #2c4d7a; }
        .sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            height: fit-content;
            position: sticky;
            top: 140px;
        }
        .sidebar h3 { color: #1a2980; }
        .sidebar ul { list-style: none; }
        .sidebar li { margin-bottom: 0.8rem; padding-bottom: 0.8rem; border-bottom: 1px solid #eee; }
        .sidebar a { color: #333; display: block; }
        .sidebar a:hover { color: #4a6fa5; padding-left: 5px; }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .article-meta {
            color: #777;
            font-size: 0.95rem;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #eee;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .featured-image {
            margin: 2rem 0;
            text-align: center;
        }
        .featured-image img {
            border-radius: 10px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            margin: 0 auto;
        }
        .image-caption {
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        blockquote {
            border-left: 4px solid #4a6fa5;
            padding-left: 1.5rem;
            margin: 2rem 0;
            color: #555;
            font-style: italic;
        }
        .content-section { margin-bottom: 3rem; }
        .rating-module, .comments-module {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin: 2rem 0;
        }
        .rating-stars { font-size: 2rem; color: #ffc107; margin: 1rem 0; }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1.5rem;
        }
        .form-group { display: flex; flex-direction: column; }
        label { font-weight: 600; margin-bottom: 0.5rem; }
        input, textarea, select {
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-family: inherit;
            font-size: 1rem;
        }
        .submit-btn {
            padding: 12px 25px;
            background: #28a745;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            align-self: flex-start;
            transition: background 0.3s;
        }
        .submit-btn:hover { background: #218838; }
        .site-footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: #ffdd40;
            margin-bottom: 1.5rem;
        }
        .footer-links { list-style: none; }
        .footer-links li { margin-bottom: 0.8rem; }
        .footer-links a { color: #bdc3c7; }
        .footer-links a:hover { color: #ffdd40; }
        friend-link {
            display: block;
            padding: 1rem;
            background: #34495e;
            border-radius: 5px;
            margin: 1rem 0;
        }
        friend-link a { color: #4a6fa5; font-weight: 600; }
        .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: 1rem; }
        .mt-3 { margin-top: 1rem; }
        .emoji { font-size: 1.2em; }