* { 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: #2c3e50;
            background-color: #f8f9fa;
            max-width: 100vw;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4 { color: #1a5276; margin-bottom: 1rem; font-weight: 700; line-height: 1.3; }
        h1 { font-size: 2.8rem; margin-top: 1.5rem; border-bottom: 4px solid #f39c12; padding-bottom: 0.5rem; }
        h2 { font-size: 2.2rem; margin-top: 2.5rem; padding-left: 0.5rem; border-left: 5px solid #3498db; }
        h3 { font-size: 1.8rem; margin-top: 2rem; color: #2980b9; }
        h4 { font-size: 1.4rem; margin-top: 1.5rem; color: #16a085; }
        p { margin-bottom: 1.5rem; font-size: 1.125rem; }
        a { color: #e67e22; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #d35400; text-decoration: underline; }
        strong { color: #c0392b; }
        em { font-style: italic; color: #7f8c8d; }
        .last-updated { background: #ecf0f1; padding: 0.5rem; border-radius: 5px; font-size: 0.95rem; margin-bottom: 2rem; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin-top: 2rem;
        }
        @media (max-width: 992px) {
            .content-wrapper { grid-template-columns: 1fr; }
        }
        header { background: linear-gradient(135deg, #1a5276 0%, #2c3e50 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; }
        .logo a { font-size: 2.2rem; font-weight: 800; color: #f39c12; text-decoration: none; display: flex; align-items: center; }
        .logo i { margin-right: 10px; font-size: 2.5rem; }
        .logo span { text-shadow: 2px 2px 4px rgba(0,0,0,0.3); }
        nav ul { display: flex; list-style: none; }
        nav li { margin-left: 2rem; }
        nav a { color: #ecf0f1; font-weight: 600; padding: 0.5rem 0; position: relative; }
        nav a:hover { color: #f39c12; }
        nav a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: #f39c12; transition: width 0.3s; }
        nav a:hover::after { width: 100%; }
        .hamburger { display: none; font-size: 1.8rem; cursor: pointer; color: white; }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: #2c3e50;
                padding: 1rem;
                box-shadow: 0 5px 10px rgba(0,0,0,0.2);
            }
            nav ul.active { display: flex; }
            nav li { margin: 0.8rem 0; margin-left: 0; }
        }
        .breadcrumb { padding: 1rem 0; background: #ecf0f1; font-size: 0.9rem; }
        .breadcrumb a { color: #7f8c8d; }
        .breadcrumb span { color: #34495e; }
        main { background: white; padding: 2.5rem; border-radius: 10px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); margin-bottom: 3rem; }
        .intro { font-size: 1.3rem; color: #2c3e50; margin-bottom: 2.5rem; padding-bottom: 1.5rem; border-bottom: 2px dashed #bdc3c7; }
        aside { background: #fefefe; padding: 1.5rem; border-radius: 10px; box-shadow: 0 3px 10px rgba(0,0,0,0.08); align-self: start; position: sticky; top: 120px; }
        .sidebar-widget { margin-bottom: 2rem; }
        .sidebar-widget h3 { font-size: 1.3rem; margin-bottom: 1rem; padding-bottom: 0.5rem; border-bottom: 2px solid #f1c40f; }
        .search-box input, .comment-form input, .comment-form textarea, .rating-form select {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: 1rem;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 1rem;
        }
        .search-box button, .comment-form button, .rating-form button {
            width: 100%;
            padding: 0.8rem;
            background: #27ae60;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .search-box button:hover, .comment-form button:hover, .rating-form button:hover { background: #219653; }
        .rating-stars { color: #f1c40f; font-size: 1.2rem; margin-bottom: 0.5rem; }
        .related-links ul { list-style: none; }
        .related-links li { margin-bottom: 0.7rem; padding-left: 1rem; border-left: 3px solid #3498db; }
        .related-links a { color: #2c3e50; }
        .related-links a:hover { color: #e67e22; }
        .featured-img { margin: 2.5rem 0; text-align: center; border-radius: 10px; overflow: hidden; box-shadow: 0 8px 20px rgba(0,0,0,0.15); }
        .featured-img img { width: 100%; max-height: 500px; object-fit: cover; }
        .img-caption { font-style: italic; color: #7f8c8d; padding: 0.5rem; background: #f9f9f9; }
        .highlight-box { background: linear-gradient(to right, #e3f2fd, #fce4ec); padding: 1.5rem; border-left: 5px solid #9b59b6; margin: 2rem 0; border-radius: 0 10px 10px 0; }
        .tip { background: #d5f4e6; padding: 1rem; border-radius: 5px; margin: 1.5rem 0; border-left: 5px solid #2ecc71; }
        .tip i { color: #27ae60; margin-right: 10px; }
        footer { background: #2c3e50; color: #bdc3c7; padding: 3rem 0 1.5rem; margin-top: 3rem; }
        .footer-container { display: flex; justify-content: space-between; flex-wrap: wrap; }
        .footer-section { flex: 1; min-width: 250px; margin-bottom: 2rem; }
        .footer-section h3 { color: #f39c12; font-size: 1.4rem; margin-bottom: 1.2rem; }
        friend-link { display: block; margin-bottom: 0.8rem; }
        friend-link a { color: #ecf0f1; }
        friend-link a:hover { color: #f39c12; }
        .copyright { text-align: center; padding-top: 2rem; border-top: 1px solid #34495e; width: 100%; font-size: 0.9rem; color: #95a5a6; }
        .interactive-link { background: #f8f9fa; padding: 0.2rem 0.5rem; border-radius: 3px; border: 1px dashed #3498db; }
        .interactive-link:hover { background: #e3f2fd; }
        blockquote { border-left: 4px solid #f39c12; padding-left: 1.5rem; margin: 2rem 0; font-style: italic; color: #555; }
        .stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.5rem; margin: 2.5rem 0; }
        .stat-card { background: white; padding: 1.5rem; text-align: center; border-radius: 8px; box-shadow: 0 3px 10px rgba(0,0,0,0.08); border-top: 4px solid #3498db; transition: transform 0.3s; }
        .stat-card:hover { transform: translateY(-5px); }
        .stat-number { font-size: 2.5rem; font-weight: bold; color: #2c3e50; }
        .stat-label { color: #7f8c8d; font-size: 0.9rem; }