* { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'Segoe UI', Arial, sans-serif; background: #f0f0f0; color: #222; line-height: 1.7; }
        a { color: #4a6fa5; text-decoration: none; }
        a:hover { color: #2e4a7a; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 15px; }
        .my-logo { font-size: 2rem; font-weight: 900; letter-spacing: -1px; text-transform: uppercase; }
        .my-logo a { color: #4a6fa5; text-decoration: none; display: inline-block; }
        .my-logo a:hover { color: #2e4a7a; transform: scale(1.02); }
        .my-logo i { color: #6b8c42; }
        header.site-header { background: #fff; box-shadow: 0 2px 8px rgba(0,0,0,0.1); padding: 15px 0; position: sticky; top: 0; z-index: 999; }
        .header-grid { display: flex; justify-content: space-between; align-items: center; }
        nav.main-nav ul { display: flex; list-style: none; gap: 22px; }
        nav.main-nav ul li a { font-weight: 600; font-size: 0.95rem; }
        .hamburger { display: none; background: none; border: 2px solid; color: #4a6fa5; font-size: 1.5rem; padding: 5px 12px; border-radius: 6px; cursor: pointer; }
        .breadcrumb { background: #fafafa; padding: 10px 0; font-size: 0.9rem; border-bottom: 1px solid #e5e5e5; }
        .breadcrumb span { color: #888; }
        .breadcrumb a { color: #4a6fa5; }
        .hero { background: linear-gradient(135deg, #0d0d0d 0%, #1a2a1a 100%); color: #fff; text-align: center; padding: 60px 20px; }
        .hero h1 { font-size: 3.2rem; margin-bottom: 12px; text-shadow: 3px 3px 0 rgba(0,0,0,0.3); }
        .hero p { font-size: 1.25rem; max-width: 720px; margin: auto; opacity: 0.9; }
        .hero .meta { margin-top: 18px; font-size: 0.95rem; color: #b5e0a0; }
        .hero .last-updated { background: rgba(255,255,255,0.1); display: inline-block; padding: 5px 14px; border-radius: 30px; }
        main { padding: 40px 0; }
        .content-single { background: #fff; padding: 40px 45px; border-radius: 12px; box-shadow: 0 5px 20px rgba(0,0,0,0.05); }
        .featured-img { width: 100%; border-radius: 10px; margin: 20px 0 30px; }
        img { max-width: 100%; height: auto; }
        h2 { font-size: 2rem; color: #1a2a1a; border-left: 6px solid #6b8c42; padding-left: 16px; margin: 50px 0 20px; }
        h3 { font-size: 1.5rem; color: #333; margin: 35px 0 15px; }
        h4 { font-size: 1.1rem; color: #6b8c42; margin: 20px 0 10px; }
        p { margin-bottom: 18px; }
        ul, ol { margin: 0 0 20px 40px; }
        li { margin-bottom: 8px; }
        .blockquote { border-left: 4px solid #6b8c42; background: #f9fbf4; padding: 20px; font-style: italic; margin: 25px 0; border-radius: 0 8px 8px 0; }
        .highlight-box { background: #eef6e3; border: 1px solid #c8ddb0; padding: 20px; border-radius: 10px; margin: 25px 0; }
        .grid-box { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; margin: 25px 0; }
        .card { background: #fafafa; padding: 20px; border-radius: 10px; border: 1px solid #e5e5e5; }
        .card:hover { box-shadow: 0 5px 18px rgba(0,0,0,0.06); transform: translateY(-3px); transition: 0.3s; }
        .card h4 { margin-top: 0; }
        .table-wrapper { overflow-x: auto; margin: 25px 0; }
        table { width: 100%; border-collapse: collapse; min-width: 600px; }
        th { background: #1a2a1a; color: #fff; padding: 12px; text-align: left; }
        td { border: 1px solid #ddd; padding: 12px; background: #fff; }
        .form-section { background: #f9f9f9; border: 2px dashed #6b8c42; padding: 30px; border-radius: 12px; margin: 40px 0; }
        .form-section h3 { margin-top: 0; }
        input[type="text"], input[type="search"], input[type="email"], textarea, select { width: 100%; padding: 12px; border: 1px solid #ccc; border-radius: 6px; font-size: 1rem; margin-bottom: 12px; }
        button, .btn { background: #4a6fa5; color: #fff; padding: 12px 28px; border: none; border-radius: 6px; font-size: 1rem; cursor: pointer; font-weight: 600; display: inline-block; }
        button:hover, .btn:hover { background: #2e4a7a; }
        .friend-link { display: block; padding: 12px 0; border-top: 1px solid #ddd; }
        .friend-link a { color: #4a6fa5; }
        footer.site-footer { background: #1a2a1a; color: #ccc; padding: 40px 0 20px; margin-top: 50px; }
        footer .col-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 25px; }
        footer h4 { color: #fff; margin-bottom: 12px; }
        footer ul { list-style: none; margin: 0; }
        footer ul li { margin-bottom: 7px; }
        footer a { color: #aacf8a; }
        .copyright { border-top: 1px solid #2a3a2a; margin-top: 30px; padding-top: 15px; text-align: center; font-size: 0.85rem; color: #999; }
        .score-stars i { font-size: 2rem; color: #f5b50a; margin-right: 6px; cursor: pointer; }
        .score-stars i:hover { transform: scale(1.2); }
        .comments-list { margin-top: 20px; }
        .comment-item { background: #fff; border-radius: 8px; padding: 20px; margin: 15px 0; display: flex; gap: 15px; box-shadow: 0 2px 8px rgba(0,0,0,0.05); }
        .comment-avatar i { font-size: 2rem; color: #aaa; background: #eee; padding: 15px; border-radius: 50%; }
        .comment-meta strong { display: block; color: #1a2a1a; }
        .comment-meta small { color: #888; }
        .search-box { background: #fff; padding: 25px; border-radius: 10px; box-shadow: 0 4px 12px rgba(0,0,0,0.1); margin: 30px 0; }
        .search-box form { display: flex; gap: 10px; }
        .search-box input[type="search"] { flex: 1; margin-bottom: 0; }
        .article-list-link { padding: 10px 15px; background: #f0f5ea; border-left: 4px solid #6b8c42; margin: 12px 0; border-radius: 0 6px 6px 0; }
        .article-list-link a { font-weight: 600; }
        .toc { background: #f4f7f0; padding: 20px 25px; border-radius: 10px; margin-bottom: 30px; }
        .toc h4 { margin-bottom: 10px; }
        .toc ul { margin: 0; list-style: none; }
        .toc ul li { margin: 5px 0; }
        .toc a { color: #4a6fa5; }
        @media screen and (max-width: 767px) {
            .hamburger { display: block; }
            nav.main-nav { display: none; width: 100%; position: absolute; top: 100%; left: 0; background: #fff; border-top: 1px solid #ddd; padding: 15px; }
            nav.main-nav.show { display: block; }
            nav.main-nav ul { flex-direction: column; gap: 10px; }
            .content-single { padding: 20px; }
            .hero h1 { font-size: 2rem; }
        }