:root {
            --primary: #2c5aa0;
            --secondary: #e63946;
            --accent: #4cc9f0;
            --light: #f8f9fa;
            --dark: #212529;
            --gray: #6c757d;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--dark);
            background-color: #fff;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary), #1d3557);
            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;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
        }
        .my-logo i { margin-right: 10px; color: var(--accent); }
        .nav-desktop { display: flex; gap: 2rem; }
        @media (max-width: 768px) { .nav-desktop { display: none; } }
        .nav-desktop a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-desktop a:hover { background: rgba(255,255,255,0.15); }
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        @media (max-width: 768px) { .hamburger-btn { display: block; } }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: var(--primary);
            padding: 1rem;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .nav-mobile.active { display: flex; }
        .nav-mobile a {
            color: white;
            padding: 0.8rem;
            text-decoration: none;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .breadcrumb {
            padding: 1rem 0;
            background: #f1f3f5;
            font-size: 0.9rem;
        }
        .breadcrumb a { color: var(--primary); text-decoration: none; }
        .breadcrumb a:hover { text-decoration: underline; }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 3rem 0;
        }
        @media (max-width: 992px) { .main-content { grid-template-columns: 1fr; } }
        .article-content h1 {
            font-size: 2.8rem;
            color: var(--primary);
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        .article-content h2 {
            font-size: 2rem;
            color: var(--secondary);
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--accent);
        }
        .article-content h3 {
            font-size: 1.6rem;
            color: var(--primary);
            margin: 2rem 0 0.8rem;
        }
        .article-content h4 {
            font-size: 1.3rem;
            color: var(--dark);
            margin: 1.5rem 0 0.5rem;
        }
        .intro {
            font-size: 1.2rem;
            background: linear-gradient(to right, #e3f2fd, #f3e5f5);
            padding: 1.5rem;
            border-left: 5px solid var(--accent);
            border-radius: 0 8px 8px 0;
            margin-bottom: 2rem;
        }
        .article-content p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .article-content emoji { font-size: 1.2em; margin-right: 5px; }
        .highlight-box {
            background-color: #fff3cd;
            border: 1px solid #ffeaa7;
            border-radius: 8px;
            padding: 1.5rem;
            margin: 2rem 0;
        }
        .featured-img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 10px;
            margin: 2rem 0;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .related-links {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .related-links h3 { margin-top: 0; }
        .related-links ul { list-style: none; padding-left: 1rem; }
        .related-links li { margin-bottom: 0.8rem; }
        .related-links a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
        }
        .related-links a:hover { text-decoration: underline; color: var(--secondary); }
        .sidebar {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 10px;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .search-widget, .comment-widget, .rating-widget {
            margin-bottom: 2rem;
        }
        .widget-title {
            font-size: 1.3rem;
            color: var(--primary);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent);
        }
        .search-form input[type="text"] {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 4px;
            margin-bottom: 0.5rem;
        }
        .search-form button {
            width: 100%;
            background: var(--primary);
            color: white;
            border: none;
            padding: 0.8rem;
            border-radius: 4px;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover { background: #1d3557; }
        .comment-form textarea, .rating-form select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 4px;
            margin-bottom: 0.8rem;
            resize: vertical;
        }
        .comment-form button, .rating-form button {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 4px;
            cursor: pointer;
            transition: var(--transition);
        }
        .comment-form button:hover, .rating-form button:hover { background: #c1121f; }
        .star-rating { font-size: 1.5rem; color: #ffc107; margin: 0.5rem 0; }
        .update-time {
            font-size: 0.9rem;
            color: var(--gray);
            background: #e9ecef;
            padding: 0.8rem;
            border-radius: 4px;
            text-align: center;
        }
        .site-footer {
            background: var(--dark);
            color: white;
            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-links h4, .footer-links h4 { margin-bottom: 1rem; color: var(--accent); }
        friend-link { display: block; margin-bottom: 0.5rem; }
        friend-link a { color: #adb5bd; text-decoration: none; }
        friend-link a:hover { color: white; }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #495057;
            font-size: 0.9rem;
            color: #adb5bd;
        }
        .bold { font-weight: 800; color: var(--primary); }
        a { color: var(--primary); transition: var(--transition); }
        a:hover { color: var(--secondary); }
        .btn { display: inline-block; padding: 0.6rem 1.2rem; border-radius: 4px; text-decoration: none; font-weight: 600; }
        .btn-primary { background: var(--primary); color: white; }
        .btn-primary:hover { background: #1d3557; color: white; }
        .text-center { text-align: center; }
        .mb-3 { margin-bottom: 1rem; }
        .py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }