* { 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-color: #f8f9fa;
            max-width: 100%;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .highlight { background-color: #fff3cd; padding: 2px 5px; border-radius: 3px; }
        .site-header {
            background: linear-gradient(135deg, #1a5fb4 0%, #2d8bcc 100%);
            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: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.5px;
        }
        .my-logo i { color: #ffde57; }
        .breadcrumb {
            padding: 12px 0;
            background-color: #e9ecef;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #1a5fb4;
            text-decoration: none;
        }
        .breadcrumb a:hover { text-decoration: underline; }
        .main-nav { display: flex; align-items: center; }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            transition: color 0.3s, transform 0.2s;
            padding: 5px 0;
            position: relative;
        }
        .nav-links a:hover {
            color: #ffde57;
            transform: translateY(-2px);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: #ffde57;
            transition: width 0.3s;
        }
        .nav-links a:hover::after { width: 100%; }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 30px 0;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        .article-content {
            background: white;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
        }
        .article-content h1 {
            font-size: 2.8rem;
            color: #1a5fb4;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        .article-content h2 {
            font-size: 2rem;
            color: #2d8bcc;
            margin: 2.5rem 0 1rem;
            padding-bottom: 10px;
            border-bottom: 2px solid #e9ecef;
        }
        .article-content h3 {
            font-size: 1.6rem;
            color: #333;
            margin: 2rem 0 1rem;
        }
        .article-content h4 {
            font-size: 1.3rem;
            color: #555;
            margin: 1.8rem 0 0.8rem;
        }
        .article-content p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            color: #444;
        }
        .article-content blockquote {
            border-left: 4px solid #2d8bcc;
            padding-left: 20px;
            margin: 2rem 0;
            font-style: italic;
            color: #666;
            background-color: #f8f9fa;
            padding: 20px;
            border-radius: 0 8px 8px 0;
        }
        .article-content ul, .article-content ol {
            margin-bottom: 1.5rem;
            padding-left: 2rem;
        }
        .article-content li { margin-bottom: 0.5rem; }
        .article-content a {
            color: #1a5fb4;
            text-decoration: none;
            border-bottom: 1px dotted #1a5fb4;
            transition: all 0.2s;
        }
        .article-content a:hover {
            color: #e15540;
            border-bottom: 1px solid #e15540;
        }
        .featured-image {
            margin: 2.5rem 0;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .info-box {
            background: #e8f4fd;
            border-left: 5px solid #2d8bcc;
            padding: 25px;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .sidebar {
            background: white;
            padding: 25px;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget { margin-bottom: 30px; }
        .sidebar-widget h3 {
            color: #1a5fb4;
            margin-bottom: 15px;
            padding-bottom: 8px;
            border-bottom: 1px solid #eee;
        }
        .search-form { display: flex; }
        .search-form input {
            flex: 1;
            padding: 12px 15px;
            border: 1px solid #ccc;
            border-radius: 6px 0 0 6px;
            font-size: 1rem;
        }
        .search-form button {
            background: #2d8bcc;
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover { background: #1a5fb4; }
        .comment-form, .rating-form {
            background: #f8f9fa;
            padding: 25px;
            border-radius: 10px;
            margin-top: 40px;
        }
        .form-group { margin-bottom: 20px; }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #444;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #2d8bcc;
            outline: none;
        }
        .stars { display: flex; gap: 10px; margin: 10px 0; }
        .stars i { color: #ccc; cursor: pointer; font-size: 1.5rem; transition: color 0.2s; }
        .stars i:hover,
        .stars i.active { color: #ffc107; }
        .submit-btn {
            background: linear-gradient(to right, #2d8bcc, #1a5fb4);
            color: white;
            border: none;
            padding: 14px 30px;
            border-radius: 6px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(26, 95, 180, 0.3);
        }
        .site-footer {
            background: #1c1c1e;
            color: #ddd;
            padding: 50px 0 30px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-widget h3 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links { list-style: none; }
        .footer-links li { margin-bottom: 12px; }
        .footer-links a {
            color: #aaa;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-links a:hover { color: #2d8bcc; }
        friend-link {
            display: inline-block;
            background: #2a2a2c;
            padding: 8px 15px;
            margin: 5px;
            border-radius: 4px;
            color: #ddd;
            text-decoration: none;
            transition: all 0.3s;
        }
        friend-link:hover {
            background: #2d8bcc;
            color: white;
            transform: scale(1.05);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #333;
            color: #999;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-content { flex-wrap: wrap; }
            .hamburger { display: block; }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1a5fb4;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 20px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
                border-top: 1px solid rgba(255,255,255,0.1);
            }
            .nav-links.active { display: flex; }
            .nav-links li { margin: 10px 0; }
            .article-content { padding: 25px; }
            .article-content h1 { font-size: 2.2rem; }
            .article-content h2 { font-size: 1.8rem; }
        }