* { 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: #333;
            background: #f8f9fa;
            max-width: 1600px;
            margin: 0 auto;
        }
        a { color: #2a6bc8; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #e74c3c; }
        img { max-width: 100%; height: auto; display: block; }
        .container { width: 100%; padding: 0 20px; }
        .hidden { display: none !important; }
        header { background: #1a1a2e; color: #fff; padding: 1.2rem 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-family: 'Arial Black', Gadget, sans-serif; font-size: 2.2rem; color: #00adb5; text-transform: uppercase; letter-spacing: 2px; }
        .my-logo a { color: inherit; }
        .my-logo span { color: #ff5722; }
        nav .desktop-nav { display: flex; gap: 2rem; list-style: none; }
        nav .desktop-nav li a { color: #eeeeee; font-weight: 600; padding: 0.5rem 0; position: relative; }
        nav .desktop-nav li a:after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 3px; background: #00adb5; transition: width 0.3s; }
        nav .desktop-nav li a:hover:after { width: 100%; }
        .hamburger { display: none; font-size: 1.8rem; background: none; border: none; color: #fff; cursor: pointer; }
        .breadcrumb { background: #e9ecef; padding: 1rem 20px; font-size: 0.9rem; }
        .breadcrumb a { color: #555; }
        .breadcrumb a:hover { color: #2a6bc8; }
        .breadcrumb i { margin: 0 8px; color: #888; }
        .search-box { background: #00adb5; padding: 2rem 20px; text-align: center; }
        .search-box h2 { color: #fff; margin-bottom: 1rem; }
        .search-form { max-width: 600px; margin: 0 auto; display: flex; }
        .search-form input { flex: 1; padding: 1rem; border: none; border-radius: 4px 0 0 4px; font-size: 1rem; }
        .search-form button { background: #1a1a2e; color: #fff; border: none; padding: 0 1.8rem; border-radius: 0 4px 4px 0; cursor: pointer; font-size: 1.2rem; transition: background 0.3s; }
        .search-form button:hover { background: #ff5722; }
        main { display: grid; grid-template-columns: 1fr 300px; gap: 2.5rem; padding: 2.5rem 20px; }
        article { background: #fff; padding: 2.5rem; border-radius: 10px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); }
        aside { background: #fff; padding: 1.8rem; border-radius: 10px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); align-self: start; position: sticky; top: 140px; }
        h1 { color: #1a1a2e; font-size: 2.8rem; margin-bottom: 1.5rem; border-left: 6px solid #ff5722; padding-left: 1rem; line-height: 1.2; }
        h2 { color: #1a1a2e; font-size: 2rem; margin: 2.5rem 0 1.2rem; padding-bottom: 0.5rem; border-bottom: 2px solid #00adb5; }
        h3 { color: #2a6bc8; font-size: 1.6rem; margin: 2rem 0 1rem; }
        h4 { color: #555; font-size: 1.3rem; margin: 1.5rem 0 0.8rem; }
        p { margin-bottom: 1.5rem; text-align: justify; }
        .lead { font-size: 1.2rem; color: #444; font-weight: 500; background: #f0f8ff; padding: 1.2rem; border-left: 4px solid #2a6bc8; border-radius: 4px; }
        .highlight { background: #fffde7; padding: 1.5rem; border-radius: 8px; border: 1px dashed #ffc107; margin: 1.8rem 0; }
        .highlight strong { color: #e74c3c; }
        .inline-link { font-weight: 600; border-bottom: 1px dotted #2a6bc8; }
        .feature-img { width: 100%; border-radius: 10px; margin: 2rem 0; border: 5px solid #f0f0f0; }
        .update-time { color: #777; font-style: italic; margin: 2rem 0; padding-top: 1.5rem; border-top: 1px solid #eee; }
        .comment-rating { background: #fff; padding: 2rem; border-radius: 10px; margin-top: 2.5rem; box-shadow: 0 5px 15px rgba(0,0,0,0.05); }
        .form-group { margin-bottom: 1.5rem; }
        label { display: block; margin-bottom: 0.5rem; font-weight: 600; color: #444; }
        input, textarea, select { width: 100%; padding: 0.9rem; border: 1px solid #ccc; border-radius: 4px; font-family: inherit; font-size: 1rem; }
        textarea { min-height: 150px; resize: vertical; }
        button[type="submit"] { background: #00adb5; color: #fff; border: none; padding: 1rem 2.5rem; border-radius: 4px; font-size: 1.1rem; cursor: pointer; transition: background 0.3s; }
        button[type="submit"]:hover { background: #1a1a2e; }
        .rating-stars { display: flex; gap: 0.5rem; margin: 1rem 0; font-size: 1.8rem; color: #ffc107; }
        aside h3 { color: #1a1a2e; font-size: 1.5rem; margin-top: 0; }
        .sidebar-links { list-style: none; }
        .sidebar-links li { margin-bottom: 1rem; padding-bottom: 1rem; border-bottom: 1px solid #eee; }
        .sidebar-links li:last-child { border-bottom: none; }
        .sidebar-links a { display: block; padding: 0.8rem; background: #f8f9fa; border-radius: 6px; color: #333; font-weight: 500; }
        .sidebar-links a:hover { background: #e3f2fd; color: #2a6bc8; }
        .icon-list { list-style: none; }
        .icon-list li { margin-bottom: 0.8rem; }
        .icon-list i { color: #00adb5; margin-right: 10px; width: 20px; }
        footer { background: #1a1a2e; color: #ccc; padding: 3rem 20px 1.5rem; margin-top: 3rem; }
        .footer-content { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; margin-bottom: 2rem; }
        .footer-section h3 { color: #00adb5; font-size: 1.4rem; margin-bottom: 1.5rem; }
        .friend-links { display: flex; flex-wrap: wrap; gap: 1rem; }
        .friend-link { background: rgba(255,255,255,0.05); padding: 0.8rem 1.2rem; border-radius: 4px; color: #ddd; }
        .friend-link:hover { background: rgba(0,173,181,0.3); color: #fff; }
        .copyright { text-align: center; padding-top: 1.5rem; border-top: 1px solid #333; color: #999; font-size: 0.9rem; }
        @media (max-width: 992px) {
            main { grid-template-columns: 1fr; }
            aside { position: static; }
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .header-content { flex-wrap: wrap; }
            .hamburger { display: block; }
            nav .desktop-nav { display: none; width: 100%; flex-direction: column; gap: 0; margin-top: 1.5rem; }
            nav .desktop-nav.active { display: flex; }
            nav .desktop-nav li { border-top: 1px solid #333; }
            nav .desktop-nav li a { display: block; padding: 1rem 0; }
            article, .comment-rating { padding: 1.8rem; }
        }