* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
        html { scroll-behavior: smooth; }
        body { background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%); color: #333; line-height: 1.8; min-height: 100vh; display: flex; flex-direction: column; }
        .site-header { background: #1a237e; color: white; padding: 1rem 2rem; 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; max-width: 1400px; margin: 0 auto; width: 100%; }
        .my-logo { font-size: 2.2rem; font-weight: 900; text-decoration: none; color: #ffeb3b; text-transform: uppercase; letter-spacing: 2px; transition: transform 0.3s, color 0.3s; }
        .my-logo:hover { transform: scale(1.05); color: #fff; }
        .my-logo i { margin-right: 10px; color: #4fc3f7; }
        .main-nav ul { display: flex; list-style: none; gap: 2rem; }
        .main-nav a { color: #e3f2fd; text-decoration: none; font-weight: 600; padding: 0.5rem 1rem; border-radius: 4px; transition: background 0.3s, color 0.3s; }
        .main-nav a:hover { background: #3949ab; color: #ffeb3b; }
        .hamburger { display: none; font-size: 1.8rem; background: none; border: none; color: white; cursor: pointer; }
        .breadcrumb { background: #e8eaf6; padding: 0.8rem 2rem; font-size: 0.9rem; max-width: 1400px; margin: 0 auto; width: 100%; }
        .breadcrumb a { color: #1a237e; text-decoration: none; }
        .breadcrumb a:hover { text-decoration: underline; }
        .container { max-width: 1400px; margin: 2rem auto; padding: 0 2rem; flex: 1; display: grid; grid-template-columns: 1fr 300px; gap: 3rem; }
        @media (max-width: 992px) { .container { grid-template-columns: 1fr; } }
        .main-article { background: white; border-radius: 16px; padding: 3rem; box-shadow: 0 10px 30px rgba(0,0,0,0.08); }
        .article-header { border-bottom: 3px solid #1a237e; padding-bottom: 1.5rem; margin-bottom: 2.5rem; }
        h1 { font-size: 3.2rem; color: #1a237e; margin-bottom: 1rem; line-height: 1.2; }
        .meta-info { display: flex; gap: 2rem; color: #666; font-size: 0.95rem; margin-top: 1rem; }
        .meta-info i { color: #3949ab; }
        .article-content h2 { font-size: 2.4rem; color: #283593; margin: 2.5rem 0 1.2rem; padding-bottom: 0.5rem; border-bottom: 2px dashed #c5cae9; }
        .article-content h3 { font-size: 1.8rem; color: #3949ab; margin: 2rem 0 1rem; }
        .article-content h4 { font-size: 1.4rem; color: #5c6bc0; margin: 1.5rem 0 0.8rem; }
        .article-content p { margin-bottom: 1.5rem; font-size: 1.1rem; text-align: justify; }
        .article-content strong { color: #1a237e; font-weight: 800; }
        .article-content em { color: #d81b60; font-style: italic; }
        .highlight { background: linear-gradient(120deg, #e3f2fd 0%, #bbdefb 100%); padding: 1.5rem; border-left: 5px solid #1a237e; border-radius: 8px; margin: 2rem 0; }
        .article-img { width: 100%; max-width: 800px; height: auto; border-radius: 12px; margin: 2rem auto; display: block; box-shadow: 0 8px 20px rgba(0,0,0,0.15); transition: transform 0.5s; }
        .article-img:hover { transform: scale(1.02); }
        .link-list { display: flex; flex-wrap: wrap; gap: 1rem; margin: 2rem 0; }
        .link-list a { background: #e8eaf6; color: #1a237e; padding: 0.6rem 1.2rem; border-radius: 50px; text-decoration: none; font-weight: 600; transition: all 0.3s; }
        .link-list a:hover { background: #1a237e; color: white; transform: translateY(-3px); }
        .sidebar { display: flex; flex-direction: column; gap: 2rem; }
        .widget { background: white; border-radius: 16px; padding: 2rem; box-shadow: 0 8px 20px rgba(0,0,0,0.06); }
        .widget h3 { color: #1a237e; margin-bottom: 1.2rem; font-size: 1.5rem; display: flex; align-items: center; gap: 10px; }
        .widget h3 i { color: #ff9800; }
        .search-form, .comment-form, .rating-form { display: flex; flex-direction: column; gap: 1rem; }
        .search-form input, .comment-form textarea, .comment-form input, .rating-form select { padding: 0.9rem; border: 2px solid #c5cae9; border-radius: 8px; font-size: 1rem; transition: border 0.3s; }
        .search-form input:focus, .comment-form textarea:focus, .comment-form input:focus, .rating-form select:focus { border-color: #1a237e; outline: none; }
        .btn { background: linear-gradient(to right, #1a237e, #3949ab); color: white; border: none; padding: 1rem 1.8rem; border-radius: 8px; font-size: 1rem; font-weight: 700; cursor: pointer; transition: all 0.3s; text-align: center; text-decoration: none; }
        .btn:hover { background: linear-gradient(to right, #283593, #303f9f); transform: translateY(-3px); box-shadow: 0 6px 12px rgba(26, 35, 126, 0.3); }
        .stars { display: flex; gap: 5px; font-size: 1.8rem; color: #ffd700; justify-content: center; margin: 1rem 0; }
        .site-footer { background: #1a237e; color: #e3f2fd; padding: 3rem 2rem 1.5rem; margin-top: 3rem; }
        .footer-content { max-width: 1400px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 3rem; }
        .footer-section h4 { color: #ffeb3b; font-size: 1.4rem; margin-bottom: 1.5rem; }
        friend-link { display: block; margin-bottom: 0.8rem; }
        friend-link a { color: #bbdefb; text-decoration: none; transition: color 0.3s; }
        friend-link a:hover { color: #ffeb3b; text-decoration: underline; }
        .copyright { text-align: center; padding-top: 2rem; margin-top: 2rem; border-top: 1px solid #3949ab; color: #90a4ae; font-size: 0.9rem; }
        @media (max-width: 768px) {
            h1 { font-size: 2.5rem; }
            .header-container { flex-wrap: wrap; }
            .hamburger { display: block; }
            .main-nav { width: 100%; display: none; margin-top: 1rem; }
            .main-nav.active { display: block; }
            .main-nav ul { flex-direction: column; gap: 0.5rem; }
            .container { padding: 0 1rem; }
            .main-article { padding: 2rem; }
            .meta-info { flex-direction: column; gap: 0.5rem; }
            .article-content h2 { font-size: 2rem; }
            .article-content h3 { font-size: 1.6rem; }
        }