*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        :root {
            --primary: #1a5c2a;
            --primary-light: #2d8f4e;
            --secondary: #facc15;
            --dark: #111827;
            --gray: #6b7280;
            --light: #f9fafb;
            --white: #ffffff;
            --border: #e5e7eb;
            --shadow: 0 4px 20px rgba(0,0,0,.08);
        }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: #1f2937;
            background: var(--light);
            line-height: 1.75;
        }
        a { color: var(--primary-light); text-decoration: none; transition: color .2s; }
        a:hover { color: var(--primary); text-decoration: underline; }
        img { max-width: 100%; height: auto; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
        .site-header { background: var(--primary); position: sticky; top: 0; z-index: 100; box-shadow: var(--shadow); }
        .header-inner { display: flex; align-items: center; justify-content: space-between; padding: 0 16px; min-height: 68px; }
        .my-logo { font-size: 1.6rem; font-weight: 800; color: var(--white); letter-spacing: .5px; display: flex; align-items: center; gap: 8px; }
        .my-logo i { color: var(--secondary); }
        .my-logo:hover { text-decoration: none; color: var(--secondary); }
        .site-nav { display: flex; align-items: center; gap: 20px; }
        .site-nav a { color: #e5f1e8; font-weight: 500; font-size: .92rem; padding: 6px 0; border-bottom: 2px solid transparent; }
        .site-nav a:hover { color: var(--secondary); border-bottom-color: var(--secondary); text-decoration: none; }
        .hamburger { display: none; background: none; border: none; color: #fff; font-size: 1.6rem; cursor: pointer; padding: 4px 8px; }
        .breadcrumb-wrap { background: #f0f5f1; border-bottom: 1px solid var(--border); }
        .breadcrumb { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; font-size: .85rem; padding: 10px 0; }
        .breadcrumb li + li::before { content: "/"; color: var(--gray); margin-right: 6px; }
        .breadcrumb a { color: var(--primary); }
        .breadcrumb li:last-child { color: var(--gray); }
        .main-wrapper { display: grid; grid-template-columns: 1fr 320px; gap: 40px; padding: 30px 0 60px; }
        .article-card { background: var(--white); border-radius: 16px; box-shadow: var(--shadow); padding: 36px 36px 48px; }
        .sidebar .widget { background: var(--white); border-radius: 16px; box-shadow: var(--shadow); padding: 24px; margin-bottom: 24px; }
        .widget h3 { font-size: 1.1rem; margin-bottom: 16px; border-left: 4px solid var(--primary); padding-left: 10px; }
        .widget ul { list-style: none; }
        .widget ul li { margin-bottom: 10px; font-size: .92rem; }
        .widget ul li a { display: block; padding: 4px 0; }
        h1 { font-size: 2.2rem; line-height: 1.3; color: var(--dark); margin: 0 0 12px; }
        h2 { font-size: 1.7rem; color: var(--dark); margin: 48px 0 16px; padding-bottom: 8px; border-bottom: 2px solid #eef2ee; position: relative; }
        h2::before { content: ""; display: block; width: 48px; height: 4px; background: var(--primary); border-radius: 2px; margin-bottom: 8px; }
        h3 { font-size: 1.3rem; color: #1f2937; margin: 32px 0 12px; }
        h4 { font-size: 1.05rem; color: #374151; margin: 24px 0 8px; font-weight: 600; }
        p { margin-bottom: 16px; }
        ul, ol { margin-left: 24px; margin-bottom: 16px; }
        li { margin-bottom: 6px; }
        .meta-info { display: flex; flex-wrap: wrap; gap: 16px; font-size: .85rem; color: var(--gray); margin-bottom: 20px; }
        .meta-info i { margin-right: 4px; }
        .featured-img { border-radius: 12px; margin-bottom: 24px; width: 100%; max-height: 420px; object-fit: cover; box-shadow: var(--shadow); }
        .highlight-box { background: #f0fdf4; border-left: 4px solid var(--primary-light); padding: 16px 20px; border-radius: 8px; margin: 20px 0; }
        .highlight-box strong { color: var(--primary); }
        .tip-box { background: #fffbeb; border-left: 4px solid var(--secondary); padding: 16px 20px; border-radius: 8px; margin: 20px 0; }
        .info-table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: .95rem; }
        .info-table th { background: var(--primary); color: #fff; padding: 12px; text-align: left; }
        .info-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); }
        .info-table tr:nth-child(even) { background: #f9fafb; }
        .rating-stars { display: flex; gap: 6px; flex-direction: row-reverse; justify-content: flex-end; }
        .rating-stars input { display: none; }
        .rating-stars label { font-size: 2rem; color: #d1d5db; cursor: pointer; transition: color .2s; }
        .rating-stars label:hover, .rating-stars label:hover ~ label,
        .rating-stars input:checked ~ label { color: var(--secondary); }
        .btn { display: inline-block; background: var(--primary); color: #fff !important; padding: 10px 24px; border-radius: 8px; font-weight: 600; border: none; cursor: pointer; transition: background .3s; text-decoration: none; }
        .btn:hover { background: var(--primary-light); text-decoration: none; }
        .btn i { margin-right: 6px; }
        .search-form { display: flex; gap: 8px; }
        .search-form input[type="text"] { flex: 1; padding: 10px 14px; border: 2px solid var(--border); border-radius: 8px; font-size: 1rem; }
        .search-form button { padding: 10px 20px; }
        .form-group { margin-bottom: 16px; }
        .form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: .9rem; }
        .form-group textarea { width: 100%; padding: 12px; border: 2px solid var(--border); border-radius: 8px; min-height: 100px; font-family: inherit; font-size: .95rem; resize: vertical; }
        .form-group input[type="text"] { width: 100%; padding: 10px 14px; border: 2px solid var(--border); border-radius: 8px; font-size: .95rem; }
        input:focus, textarea:focus { outline: none; border-color: var(--primary-light) !important; }
        .comment-item { background: #f9fafb; border-radius: 10px; padding: 16px; margin-bottom: 14px; }
        .comment-item .c-name { font-weight: 700; font-size: .95rem; }
        .comment-item .c-date { font-size: .8rem; color: var(--gray); }
        .comment-item .c-text { margin-top: 6px; font-size: .93rem; }
        .avatar { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; background: #d1fae5; border-radius: 50%; margin-right: 10px; color: var(--primary); font-weight: 700; }
        .site-footer { background: var(--dark); color: #9ca3af; padding: 48px 0 24px; margin-top: 40px; }
        .site-footer a { color: #9ca3af; }
        .site-footer a:hover { color: var(--secondary); }
        .footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding-bottom: 24px; }
        .footer-inner h4 { color: #fff; margin-bottom: 16px; font-size: 1rem; }
        .copyright { border-top: 1px solid #1f2937; padding-top: 20px; text-align: center; font-size: .85rem; }
        friend-link { display: block; font-size: .9rem; margin-bottom: 6px; }
        friend-link a { margin: 0 4px; }
        .sidebar-sticky { position: sticky; top: 90px; }
        @media (max-width: 992px) {
            .main-wrapper { grid-template-columns: 1fr; }
            .sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .site-nav { display: none; position: absolute; top: 68px; left: 0; right: 0; background: var(--primary); flex-direction: column; padding: 16px; gap: 12px; box-shadow: 0 8px 20px rgba(0,0,0,.2); }
            .site-nav.open { display: flex; }
            h1 { font-size: 1.7rem; }
            h2 { font-size: 1.4rem; }
            .article-card { padding: 24px 20px; }
            .footer-inner { grid-template-columns: 1fr; }
            .sidebar { grid-template-columns: 1fr; }
            .header-inner { padding: 0 12px; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 10px; }
            .meta-info { flex-direction: column; gap: 4px; }
            .search-form { flex-direction: column; }
            .info-table { font-size: .85rem; }
        }
        .fa, .fas, .far { font-family: "Font Awesome 6 Free"; }