*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f8f9fa;
            color: #1a1a2e;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: #e67e22; text-decoration: none; transition: color 0.25s; }
        a:hover, a:focus { color: #d35400; text-decoration: underline; }
        ul, ol { padding-left: 1.5rem; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; color: #0f0f1a; font-weight: 700; }
        :root {
            --primary: #1a1a2e;
            --secondary: #16213e;
            --accent: #e67e22;
            --accent-hover: #d35400;
            --bg-light: #f8f9fa;
            --bg-card: #ffffff;
            --text: #1a1a2e;
            --text-light: #555;
            --border: #e0e0e0;
            --success: #27ae60;
            --warning: #f39c12;
            --shadow: 0 4px 20px rgba(0,0,0,0.06);
            --radius: 12px;
        }
        .wrapper { max-width: 1200px; margin: 0 auto; padding: 0 20px; width: 100%; }
        .site-header {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            color: #fff;
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0,0,0,0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.75rem 20px;
            max-width: 1200px;
            margin: 0 auto;
            gap: 1rem;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            flex-shrink: 0;
        }
        .my-logo i { color: var(--accent); font-size: 1.8rem; }
        .my-logo span { color: var(--accent); }
        .my-logo:hover { color: #fff; text-decoration: none; opacity: 0.92; }
        .nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.6rem; cursor: pointer; padding: 0.25rem; }
        .nav-menu { display: flex; align-items: center; gap: 0.25rem; flex-wrap: wrap; }
        .nav-menu a {
            color: rgba(255,255,255,0.85);
            padding: 0.5rem 0.9rem;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.2s;
            white-space: nowrap;
        }
        .nav-menu a:hover, .nav-menu a:focus { background: rgba(255,255,255,0.12); color: #fff; text-decoration: none; }
        .nav-menu a.active { background: var(--accent); color: #fff; }
        .breadcrumb-wrap {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 0.6rem 0;
            font-size: 0.85rem;
        }
        .breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 0.3rem; list-style: none; padding: 0; }
        .breadcrumb li { display: flex; align-items: center; gap: 0.3rem; }
        .breadcrumb li+li::before { content: "/"; color: #999; margin: 0 0.2rem; }
        .breadcrumb a { color: var(--accent); }
        .breadcrumb .current { color: var(--text-light); font-weight: 500; }
        .main-content { flex: 1; padding: 2rem 0 3rem; }
        .content-grid { display: grid; grid-template-columns: 1fr 300px; gap: 2.5rem; }
        .content-body { min-width: 0; }
        .sidebar { min-width: 0; }
        .card { background: var(--bg-card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.8rem; margin-bottom: 2rem; }
        .card-sm { padding: 1.2rem; }
        h1 { font-size: 2.4rem; margin-bottom: 0.75rem; color: #0f0f1a; }
        h2 { font-size: 1.8rem; margin: 2.2rem 0 0.8rem; padding-bottom: 0.4rem; border-bottom: 3px solid var(--accent); display: inline-block; }
        h3 { font-size: 1.35rem; margin: 1.8rem 0 0.6rem; color: #1a1a2e; }
        h4 { font-size: 1.1rem; margin: 1.2rem 0 0.4rem; color: #2c3e50; }
        p { margin-bottom: 1rem; }
        .lead { font-size: 1.15rem; color: #2c3e50; font-weight: 400; }
        .featured-img-wrap { margin: 1.5rem 0 2rem; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
        .featured-img-wrap img { width: 100%; object-fit: cover; }
        .img-caption { font-size: 0.85rem; color: #777; text-align: center; padding: 0.5rem; background: #f1f1f1; }
        .data-table { width: 100%; border-collapse: collapse; margin: 1.2rem 0; font-size: 0.95rem; }
        .data-table th { background: var(--primary); color: #fff; padding: 0.7rem 1rem; text-align: left; font-weight: 600; }
        .data-table td { padding: 0.6rem 1rem; border-bottom: 1px solid var(--border); }
        .data-table tr:nth-child(even) { background: #f8f9fa; }
        .data-table tr:hover { background: #f0e6d0; }
        .highlight-box { background: #fef9e7; border-left: 4px solid var(--accent); padding: 1.2rem 1.5rem; margin: 1.5rem 0; border-radius: 0 8px 8px 0; }
        .highlight-box strong { color: #1a1a2e; }
        .check-list { list-style: none; padding: 0; }
        .check-list li { padding: 0.4rem 0 0.4rem 1.8rem; position: relative; }
        .check-list li::before { content: "✅"; position: absolute; left: 0; top: 0.4rem; font-size: 0.9rem; }
        .form-group { margin-bottom: 1rem; }
        .form-group label { display: block; font-weight: 600; margin-bottom: 0.3rem; font-size: 0.95rem; }
        .form-control {
            width: 100%; padding: 0.7rem 1rem; border: 1px solid var(--border); border-radius: 8px;
            font-size: 1rem; transition: border 0.2s; background: #fff;
        }
        .form-control:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px rgba(230,126,34,0.15); }
        textarea.form-control { resize: vertical; min-height: 90px; }
        .btn {
            display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.7rem 1.6rem;
            border: none; border-radius: 8px; font-size: 1rem; font-weight: 600; cursor: pointer;
            transition: all 0.25s; background: var(--accent); color: #fff;
        }
        .btn:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(230,126,34,0.3); }
        .btn-outline { background: transparent; border: 2px solid var(--accent); color: var(--accent); }
        .btn-outline:hover { background: var(--accent); color: #fff; }
        .star-rating { display: flex; flex-direction: row-reverse; gap: 0.25rem; justify-content: flex-end; }
        .star-rating input { display: none; }
        .star-rating label { font-size: 1.8rem; color: #ddd; cursor: pointer; transition: color 0.15s; }
        .star-rating input:checked~label { color: #f1c40f; }
        .star-rating label:hover, .star-rating label:hover~label { color: #f1c40f; }
        .comment-item { padding: 1rem 0; border-bottom: 1px solid #eee; }
        .comment-item:last-child { border-bottom: none; }
        .comment-author { font-weight: 700; color: #1a1a2e; }
        .comment-date { font-size: 0.8rem; color: #999; margin-left: 0.5rem; }
        .comment-text { margin-top: 0.3rem; color: #333; }
        .sidebar-widget { background: var(--bg-card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1.5rem; margin-bottom: 1.8rem; }
        .sidebar-widget h3 { font-size: 1.2rem; margin-top: 0; margin-bottom: 1rem; border-bottom: 2px solid var(--accent); padding-bottom: 0.4rem; }
        .link-list { list-style: none; padding: 0; }
        .link-list li { padding: 0.45rem 0; border-bottom: 1px solid #f0f0f0; }
        .link-list li:last-child { border-bottom: none; }
        .link-list a { color: var(--text); font-weight: 500; display: flex; align-items: center; gap: 0.5rem; }
        .link-list a:hover { color: var(--accent); text-decoration: none; }
        .link-list a i { color: var(--accent); font-size: 0.8rem; }
        friend-link { display: block; padding: 1.2rem 0 0.8rem; }
        friend-link a { display: inline-block; margin: 0.2rem 1rem 0.2rem 0; color: var(--accent); font-weight: 500; }
        .site-footer {
            background: linear-gradient(135deg, #1a1a2e, #16213e);
            color: rgba(255,255,255,0.8);
            padding: 2.5rem 0 1.5rem;
            margin-top: auto;
        }
        .footer-inner { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; }
        .footer-col h4 { color: #fff; font-size: 1.1rem; margin-bottom: 0.8rem; }
        .footer-col p, .footer-col a { color: rgba(255,255,255,0.7); font-size: 0.9rem; }
        .footer-col a:hover { color: var(--accent); }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 1.2rem; margin-top: 1.8rem; text-align: center; font-size: 0.85rem; color: rgba(255,255,255,0.5); }
        .schema-hidden { display: none; }
        .last-updated { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.85rem; color: #888; background: #f1f1f1; padding: 0.3rem 1rem; border-radius: 20px; }
        @media (max-width: 992px) {
            .content-grid { grid-template-columns: 1fr; }
            .sidebar { order: 2; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .header-inner { padding: 0.5rem 16px; }
            .my-logo { font-size: 1.3rem; }
            .nav-toggle { display: block; }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0f0f1a;
                padding: 0.8rem 1rem;
                border-radius: 0 0 12px 12px;
                gap: 0.2rem;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                box-shadow: 0 10px 30px rgba(0,0,0,0.3);
            }
            .nav-menu.open { display: flex; }
            .nav-menu a { padding: 0.6rem 1rem; border-radius: 6px; }
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.4rem; }
            .card { padding: 1.2rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 1.2rem; }
            .sidebar-widget { padding: 1.2rem; }
            .data-table { font-size: 0.82rem; }
            .data-table th, .data-table td { padding: 0.4rem 0.6rem; }
        }
        @media (max-width: 480px) {
            .wrapper { padding: 0 12px; }
            h1 { font-size: 1.5rem; }
            .my-logo { font-size: 1.1rem; }
            .my-logo i { font-size: 1.3rem; }
            .btn { width: 100%; justify-content: center; }
        }
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .flex { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
        .gap-1 { gap: 0.5rem; }
        .text-center { text-align: center; }
        .text-accent { color: var(--accent); }
        .fw-700 { font-weight: 700; }
        .rounded { border-radius: var(--radius); }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }