* { 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: 100vw;
            overflow-x: hidden;
        }
        a { color: #2c5282; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #1a365d; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { padding-left: 1.5rem; margin: 1rem 0; }
        li { margin-bottom: 0.5rem; }
        h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); margin-bottom: 1.5rem; color: #1a202c; line-height: 1.2; }
        h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); margin: 2.5rem 0 1.2rem; color: #2d3748; padding-bottom: 0.5rem; border-bottom: 2px solid #e2e8f0; }
        h3 { font-size: clamp(1.4rem, 3vw, 1.9rem); margin: 2rem 0 1rem; color: #4a5568; }
        h4 { font-size: 1.3rem; margin: 1.5rem 0 0.8rem; color: #5a6268; }
        p { margin-bottom: 1.5rem; text-align: justify; }
        strong { font-weight: 700; color: #2d3748; }
        .lead { font-size: 1.25rem; color: #4a5568; font-weight: 300; }
        .updated { font-size: 0.9rem; color: #718096; font-style: italic; margin-bottom: 2rem; }
        .emoji { font-size: 1.2em; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin-top: 2rem;
        }
        @media (max-width: 992px) {
            .main-grid { grid-template-columns: 1fr; }
        }
        header { background: linear-gradient(135deg, #1a365d 0%, #2d3748 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-container { display: flex; justify-content: space-between; align-items: center; }
        .my-logo { font-size: 1.8rem; font-weight: 800; color: white; display: flex; align-items: center; }
        .my-logo i { margin-right: 10px; color: #63b3ed; }
        .my-logo:hover { text-decoration: none; color: #bee3f8; }
        .desktop-nav ul { display: flex; list-style: none; gap: 2rem; }
        .desktop-nav a { color: #cbd5e0; font-weight: 500; padding: 0.5rem 0; }
        .desktop-nav a:hover { color: white; text-decoration: none; border-bottom: 2px solid #63b3ed; }
        .hamburger { display: none; background: none; border: none; color: white; font-size: 1.8rem; cursor: pointer; }
        .mobile-nav { display: none; position: absolute; top: 100%; left: 0; width: 100%; background: #2d3748; flex-direction: column; padding: 1rem; box-shadow: 0 10px 15px rgba(0,0,0,0.2); }
        .mobile-nav.active { display: flex; }
        .mobile-nav ul { list-style: none; width: 100%; }
        .mobile-nav li { margin-bottom: 1rem; }
        .mobile-nav a { color: #cbd5e0; display: block; padding: 0.8rem; border-radius: 5px; }
        .mobile-nav a:hover { background: #4a5568; color: white; }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .hamburger { display: block; }
        }
        .breadcrumb { background: #edf2f7; padding: 1rem 0; margin-bottom: 2rem; font-size: 0.9rem; }
        .breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; margin: 0; padding: 0; }
        .breadcrumb li { margin-bottom: 0; margin-right: 0.5rem; }
        .breadcrumb li:not(:last-child)::after { content: '›'; margin-left: 0.5rem; color: #718096; }
        .breadcrumb a { color: #4a5568; }
        article { background: white; border-radius: 12px; padding: 2.5rem; box-shadow: 0 6px 16px rgba(0,0,0,0.08); margin-bottom: 2rem; }
        .featured-image { width: 100%; border-radius: 10px; overflow: hidden; margin: 2rem 0; box-shadow: 0 10px 25px rgba(0,0,0,0.1); }
        .featured-image img { width: 100%; transition: transform 0.5s; }
        .featured-image:hover img { transform: scale(1.02); }
        aside { position: sticky; top: 120px; align-self: start; }
        .sidebar-widget { background: white; border-radius: 10px; padding: 1.5rem; margin-bottom: 1.5rem; box-shadow: 0 4px 12px rgba(0,0,0,0.05); }
        .sidebar-widget h3 { font-size: 1.3rem; margin-top: 0; border-bottom: none; }
        .widget-list { list-style: none; padding: 0; }
        .widget-list li { margin-bottom: 0.8rem; padding-bottom: 0.8rem; border-bottom: 1px solid #e2e8f0; }
        .widget-list li:last-child { border-bottom: none; }
        .form-group { margin-bottom: 1.2rem; }
        label { display: block; margin-bottom: 0.4rem; font-weight: 600; color: #4a5568; }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #cbd5e0;
            border-radius: 8px;
            font-size: 1rem;
            transition: border-color 0.3s, box-shadow 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #4299e1;
            box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.2);
        }
        button, .btn {
            background: linear-gradient(to right, #2b6cb0, #4299e1);
            color: white;
            border: none;
            padding: 0.9rem 1.8rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            display: inline-block;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to right, #2c5282, #3182ce);
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(66, 153, 225, 0.3);
            text-decoration: none;
            color: white;
        }
        .rating-stars { display: flex; gap: 5px; margin: 1rem 0; }
        .rating-stars i { color: #cbd5e0; cursor: pointer; font-size: 1.5rem; transition: color 0.2s; }
        .rating-stars i:hover, .rating-stars i.active { color: #f6ad55; }
        .comment { border: 1px solid #e2e8f0; border-radius: 10px; padding: 1.5rem; margin-bottom: 1.5rem; background: #fafafa; }
        .comment-header { display: flex; justify-content: space-between; margin-bottom: 0.8rem; font-size: 0.9rem; color: #718096; }
        footer { background: #2d3748; color: #cbd5e0; padding: 3rem 0 1.5rem; margin-top: 4rem; }
        .footer-content { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; margin-bottom: 2rem; }
        .footer-section h3 { color: white; margin-bottom: 1.2rem; font-size: 1.2rem; border-bottom: none; }
        friend-link { display: inline-block; background: #4a5568; color: #cbd5e0; padding: 0.5rem 1rem; border-radius: 5px; margin: 0 0.5rem 0.5rem 0; font-size: 0.9rem; }
        friend-link:hover { background: #63b3ed; color: white; text-decoration: none; }
        .copyright { text-align: center; padding-top: 1.5rem; border-top: 1px solid #4a5568; font-size: 0.9rem; color: #a0aec0; }
        .text-center { text-align: center; }
        .mt-4 { margin-top: 2rem; }
        .mb-4 { margin-bottom: 2rem; }
        .p-3 { padding: 1.5rem; }
        .highlight { background: linear-gradient(120deg, #fed7e2 0%, #e9d8fd 100%); padding: 0.2rem 0.5rem; border-radius: 4px; }