*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f5f7f2;
            color: #1e2b1c;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: #2d6a4f; text-decoration: none; transition: color .2s; }
        a:hover, a:focus { color: #1b4332; text-decoration: underline; }
        ul, ol { padding-left: 1.5rem; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: #1b3a2d; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 1.25rem; width: 100%; }
        .site-header {
            background: linear-gradient(135deg, #1b3a2d 0%, #2d6a4f 100%);
            color: #fff;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            text-shadow: 0 2px 8px rgba(0,0,0,0.3);
            transition: opacity .2s;
        }
        .my-logo:hover { opacity: 0.85; text-decoration: none; color: #fff; }
        .my-logo i { color: #95d5b2; margin-right: 0.4rem; }
        .nav-toggle { display: none; background: transparent; border: 2px solid rgba(255,255,255,0.6); color: #fff; font-size: 1.5rem; padding: 0.4rem 0.8rem; border-radius: 8px; cursor: pointer; transition: background .2s; }
        .nav-toggle:hover { background: rgba(255,255,255,0.1); }
        .main-nav { display: flex; gap: 1.8rem; align-items: center; flex-wrap: wrap; }
        .main-nav a { color: #e9f5ec; font-weight: 500; font-size: 0.95rem; padding: 0.3rem 0; border-bottom: 2px solid transparent; transition: border-color .2s, color .2s; }
        .main-nav a:hover, .main-nav a.active { border-bottom-color: #95d5b2; color: #fff; text-decoration: none; }
        .main-nav a i { margin-right: 0.3rem; }
        .breadcrumb {
            background: #e8ede4;
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #d0d9ca;
        }
        .breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 0.4rem 0.2rem; padding-left: 0; margin: 0; }
        .breadcrumb li+li::before { content: "›"; margin: 0 0.4rem; color: #6b7a63; }
        .breadcrumb a { color: #2d6a4f; }
        .breadcrumb .current { color: #1b4332; font-weight: 600; }
        .hero {
            background: linear-gradient(135deg, #2d6a4f 0%, #40916c 100%);
            color: #fff;
            padding: 3rem 0 2.5rem;
            text-align: center;
            border-bottom: 4px solid #95d5b2;
        }
        .hero h1 { font-size: 2.6rem; color: #fff; margin-bottom: 1rem; text-shadow: 0 2px 12px rgba(0,0,0,0.2); }
        .hero p { font-size: 1.15rem; max-width: 750px; margin: 0 auto 1.5rem; opacity: 0.92; }
        .hero .last-updated { display: inline-block; background: rgba(255,255,255,0.15); padding: 0.3rem 1.2rem; border-radius: 40px; font-size: 0.85rem; backdrop-filter: blur(4px); }
        .search-block {
            background: #fff;
            padding: 2rem 0;
            border-bottom: 1px solid #d0d9ca;
        }
        .search-form { display: flex; max-width: 600px; margin: 0 auto; gap: 0.5rem; flex-wrap: wrap; justify-content: center; }
        .search-form input[type="text"] { flex: 1; min-width: 200px; padding: 0.8rem 1.2rem; border: 2px solid #c5d0be; border-radius: 50px; font-size: 1rem; outline: none; transition: border-color .2s; }
        .search-form input[type="text"]:focus { border-color: #2d6a4f; }
        .search-form button { background: #2d6a4f; color: #fff; border: none; padding: 0.8rem 2rem; border-radius: 50px; font-weight: 600; cursor: pointer; transition: background .2s, transform .1s; font-size: 1rem; display: flex; align-items: center; gap: 0.5rem; }
        .search-form button:hover { background: #1b4332; transform: scale(1.02); }
        .main-content { padding: 2.5rem 0; flex: 1; }
        .content-grid { display: grid; grid-template-columns: 1fr 300px; gap: 2.5rem; }
        .article-body h2 { font-size: 1.8rem; margin: 2.5rem 0 1rem; padding-bottom: 0.5rem; border-bottom: 3px solid #95d5b2; }
        .article-body h3 { font-size: 1.35rem; margin: 2rem 0 0.8rem; color: #2d6a4f; }
        .article-body h4 { font-size: 1.1rem; margin: 1.5rem 0 0.5rem; color: #1b4332; }
        .article-body p { margin-bottom: 1.2rem; }
        .article-body ul, .article-body ol { margin-bottom: 1.5rem; }
        .article-body li { margin-bottom: 0.4rem; }
        .article-body .feature-box {
            background: #e8ede4;
            border-left: 5px solid #2d6a4f;
            padding: 1.5rem 2rem;
            border-radius: 0 12px 12px 0;
            margin: 1.8rem 0;
        }
        .article-body .feature-box i { color: #2d6a4f; margin-right: 0.5rem; }
        .article-body .stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap: 1.2rem; margin: 2rem 0; }
        .article-body .stat-card { background: #fff; border-radius: 16px; padding: 1.5rem; text-align: center; box-shadow: 0 4px 12px rgba(0,0,0,0.06); border: 1px solid #d0d9ca; transition: transform .2s, box-shadow .2s; }
        .article-body .stat-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,0.1); }
        .article-body .stat-card .num { font-size: 2rem; font-weight: 800; color: #1b4332; display: block; }
        .article-body .stat-card .label { font-size: 0.9rem; color: #4a5c45; }
        .table-wrap { overflow-x: auto; margin: 1.8rem 0; }
        table { width: 100%; border-collapse: collapse; font-size: 0.95rem; min-width: 600px; }
        th, td { padding: 0.8rem 1rem; text-align: left; border-bottom: 1px solid #d0d9ca; }
        th { background: #2d6a4f; color: #fff; font-weight: 600; }
        tr:nth-child(even) { background: #f1f5ee; }
        tr:hover { background: #e2ebe0; }
        .sidebar { position: sticky; top: 100px; align-self: start; }
        .sidebar-card { background: #fff; border-radius: 16px; padding: 1.5rem; margin-bottom: 1.5rem; box-shadow: 0 4px 16px rgba(0,0,0,0.05); border: 1px solid #d0d9ca; }
        .sidebar-card h3 { font-size: 1.1rem; margin-bottom: 1rem; color: #1b3a2d; border-bottom: 2px solid #95d5b2; padding-bottom: 0.4rem; }
        .sidebar-card ul { list-style: none; padding-left: 0; }
        .sidebar-card li { margin-bottom: 0.6rem; }
        .sidebar-card a { display: flex; align-items: center; gap: 0.5rem; }
        .sidebar-card a i { width: 1.2rem; color: #2d6a4f; }
        .interaction-section { background: #fff; border-radius: 16px; padding: 2rem; margin: 2.5rem 0; box-shadow: 0 4px 16px rgba(0,0,0,0.05); border: 1px solid #d0d9ca; }
        .interaction-section h2 { border-bottom: 3px solid #95d5b2; padding-bottom: 0.5rem; margin-bottom: 1.5rem; }
        .form-group { margin-bottom: 1.2rem; }
        .form-group label { display: block; font-weight: 600; margin-bottom: 0.3rem; color: #1b3a2d; }
        .form-group input, .form-group textarea, .form-group select { width: 100%; padding: 0.7rem 1rem; border: 2px solid #c5d0be; border-radius: 10px; font-size: 1rem; font-family: inherit; transition: border-color .2s; background: #fafbf8; }
        .form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: #2d6a4f; outline: none; }
        .form-group textarea { resize: vertical; min-height: 100px; }
        .btn { background: #2d6a4f; color: #fff; border: none; padding: 0.7rem 2rem; border-radius: 50px; font-weight: 600; cursor: pointer; transition: background .2s, transform .1s; font-size: 1rem; display: inline-flex; align-items: center; gap: 0.5rem; }
        .btn:hover { background: #1b4332; transform: scale(1.02); color: #fff; text-decoration: none; }
        .btn-outline { background: transparent; border: 2px solid #2d6a4f; color: #2d6a4f; }
        .btn-outline:hover { background: #2d6a4f; color: #fff; }
        .rating-stars { display: flex; gap: 0.5rem; font-size: 1.8rem; color: #d4d9d0; cursor: pointer; }
        .rating-stars i.active, .rating-stars i:hover { color: #f4b942; }
        .site-footer {
            background: #1b3a2d;
            color: #d0e0d5;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; margin-bottom: 2rem; }
        .site-footer h4 { color: #95d5b2; font-size: 1.1rem; margin-bottom: 1rem; }
        .site-footer a { color: #b8d4c5; }
        .site-footer a:hover { color: #fff; }
        .site-footer .friend-links { list-style: none; padding-left: 0; }
        .site-footer .friend-links li { margin-bottom: 0.4rem; }
        .copyright { border-top: 1px solid #2d5a44; padding-top: 1.5rem; text-align: center; font-size: 0.85rem; color: #90b09e; }
        @media (max-width: 992px) {
            .content-grid { grid-template-columns: 1fr; }
            .sidebar { position: static; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-toggle { display: block; }
            .main-nav { display: none; width: 100%; flex-direction: column; gap: 0.6rem; padding: 1rem 0 0.5rem; border-top: 1px solid rgba(255,255,255,0.15); margin-top: 1rem; }
            .main-nav.open { display: flex; }
            .main-nav a { padding: 0.5rem 0; width: 100%; }
            .hero h1 { font-size: 1.8rem; }
            .hero p { font-size: 1rem; }
            .footer-grid { grid-template-columns: 1fr; }
            .article-body h2 { font-size: 1.4rem; }
            .article-body .stat-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 480px) {
            .search-form input[type="text"] { min-width: 100%; }
            .search-form button { width: 100%; justify-content: center; }
            .hero h1 { font-size: 1.5rem; }
            .my-logo { font-size: 1.4rem; }
            .article-body .stat-grid { grid-template-columns: 1fr; }
            .interaction-section { padding: 1.2rem; }
        }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
        :focus-visible { outline: 3px solid #95d5b2; outline-offset: 2px; }
        .inline-icon { margin-right: 0.3rem; }
        .highlight { background: #e2ebe0; padding: 0.1rem 0.4rem; border-radius: 4px; }
        .emoji-lg { font-size: 1.4rem; }