*, *::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: #f7f9fc;
            color: #1e293b;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: #2563eb; text-decoration: none; transition: color 0.2s; }
        a:hover { color: #1d4ed8; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; border-radius: 12px; }
        ul, ol { padding-left: 1.5rem; margin-bottom: 1rem; }
        li { margin-bottom: 0.35rem; }
        hr { border: 0; height: 1px; background: #e2e8f0; margin: 2rem 0; }
        h1 { font-size: 2.4rem; font-weight: 800; line-height: 1.25; margin-bottom: 0.5rem; color: #0f172a; }
        h2 { font-size: 1.8rem; font-weight: 700; margin-top: 2.5rem; margin-bottom: 0.75rem; color: #0f172a; border-bottom: 3px solid #dbeafe; padding-bottom: 0.4rem; }
        h3 { font-size: 1.35rem; font-weight: 600; margin-top: 1.8rem; margin-bottom: 0.5rem; color: #1e293b; }
        h4 { font-size: 1.1rem; font-weight: 600; margin-top: 1.2rem; margin-bottom: 0.3rem; color: #334155; }
        p { margin-bottom: 1rem; }
        strong { font-weight: 700; color: #0f172a; }
        .lead { font-size: 1.15rem; color: #475569; margin-bottom: 1.5rem; }
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 1.2rem; }
        .site-header {
            background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
            color: #fff;
            padding: 0.7rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            transition: opacity 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i { color: #fbbf24; font-size: 1.4rem; }
        .my-logo:hover { opacity: 0.9; text-decoration: none; color: #fff; }
        .my-logo span { color: #93c5fd; font-weight: 300; }
        .nav-toggle { display: none; background: none; border: 0; color: #fff; font-size: 1.6rem; cursor: pointer; padding: 0.2rem 0.4rem; }
        .main-nav { display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap; }
        .main-nav a {
            color: #e0e7ff;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.3rem 0.2rem;
            border-bottom: 2px solid transparent;
            transition: all 0.2s;
            white-space: nowrap;
        }
        .main-nav a:hover { color: #fff; border-bottom-color: #fbbf24; text-decoration: none; }
        .main-nav a i { margin-right: 0.25rem; font-size: 0.85rem; }
        .breadcrumb-wrap {
            background: #f1f5f9;
            padding: 0.6rem 0;
            border-bottom: 1px solid #e2e8f0;
            font-size: 0.85rem;
        }
        .breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 0.35rem; list-style: none; padding: 0; margin: 0; }
        .breadcrumb li { margin: 0; }
        .breadcrumb li+li::before { content: "/"; color: #94a3b8; margin-right: 0.4rem; }
        .breadcrumb a { color: #2563eb; }
        .breadcrumb .active { color: #64748b; font-weight: 500; }
        .hero {
            background: linear-gradient(135deg, #dbeafe 0%, #eff6ff 100%);
            padding: 2.8rem 0 2.2rem;
            border-bottom: 1px solid #bfdbfe;
        }
        .hero h1 { font-size: 2.6rem; margin-bottom: 0.4rem; }
        .hero .meta { display: flex; flex-wrap: wrap; gap: 1.5rem; color: #475569; font-size: 0.9rem; margin-top: 0.6rem; }
        .hero .meta i { margin-right: 0.3rem; color: #2563eb; }
        .search-section { margin: 1.5rem 0; }
        .search-form { display: flex; max-width: 520px; width: 100%; box-shadow: 0 4px 12px rgba(0,0,0,0.06); border-radius: 50px; overflow: hidden; background: #fff; border: 1px solid #cbd5e1; transition: border 0.2s; }
        .search-form:focus-within { border-color: #2563eb; box-shadow: 0 4px 20px rgba(37,99,235,0.12); }
        .search-form input { flex: 1; border: 0; padding: 0.8rem 1.2rem; font-size: 0.95rem; outline: none; background: transparent; }
        .search-form button { background: #2563eb; color: #fff; border: 0; padding: 0 1.6rem; font-size: 1rem; cursor: pointer; transition: background 0.2s; display: flex; align-items: center; gap: 0.4rem; }
        .search-form button:hover { background: #1d4ed8; }
        .page-wrap { display: grid; grid-template-columns: 1fr 300px; gap: 2.5rem; padding: 2.2rem 0 3rem; }
        .main-content { min-width: 0; }
        .sidebar { position: sticky; top: 90px; align-self: start; }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem;
            box-shadow: 0 4px 16px rgba(0,0,0,0.05);
            border: 1px solid #e2e8f0;
            margin-bottom: 1.5rem;
        }
        .sidebar-card h3 { font-size: 1.1rem; margin-top: 0; margin-bottom: 0.8rem; border-bottom: 2px solid #dbeafe; padding-bottom: 0.4rem; }
        .sidebar-card ul { list-style: none; padding: 0; margin: 0; }
        .sidebar-card li { margin-bottom: 0.5rem; }
        .sidebar-card a { display: block; padding: 0.4rem 0.6rem; border-radius: 8px; background: #f8fafc; font-size: 0.9rem; transition: all 0.2s; }
        .sidebar-card a:hover { background: #dbeafe; text-decoration: none; color: #1d4ed8; }
        .sidebar-card a i { margin-right: 0.4rem; color: #2563eb; width: 1rem; text-align: center; }
        .featured-image { margin: 1.8rem 0; border-radius: 16px; overflow: hidden; box-shadow: 0 8px 24px rgba(0,0,0,0.08); }
        .featured-image figcaption { background: #f1f5f9; padding: 0.6rem 1rem; font-size: 0.85rem; color: #475569; text-align: center; font-style: italic; }
        .interaction-area { margin-top: 2.5rem; padding-top: 2rem; border-top: 2px solid #e2e8f0; }
        .interaction-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
        .comment-box, .score-box { background: #fff; border-radius: 16px; padding: 1.5rem; box-shadow: 0 4px 16px rgba(0,0,0,0.04); border: 1px solid #e2e8f0; }
        .comment-box h3, .score-box h3 { margin-top: 0; font-size: 1.15rem; }
        .comment-box textarea { width: 100%; min-height: 100px; border: 1px solid #cbd5e1; border-radius: 10px; padding: 0.8rem; font-size: 0.9rem; resize: vertical; font-family: inherit; transition: border 0.2s; }
        .comment-box textarea:focus { border-color: #2563eb; outline: none; }
        .comment-box input[type="text"] { width: 100%; border: 1px solid #cbd5e1; border-radius: 10px; padding: 0.7rem 0.8rem; font-size: 0.9rem; margin-bottom: 0.8rem; transition: border 0.2s; }
        .comment-box input[type="text"]:focus { border-color: #2563eb; outline: none; }
        .btn { display: inline-flex; align-items: center; gap: 0.4rem; background: #2563eb; color: #fff; border: 0; border-radius: 50px; padding: 0.6rem 1.5rem; font-size: 0.9rem; font-weight: 600; cursor: pointer; transition: all 0.2s; }
        .btn:hover { background: #1d4ed8; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(37,99,235,0.25); }
        .btn-outline { background: transparent; color: #2563eb; border: 1.5px solid #2563eb; }
        .btn-outline:hover { background: #eff6ff; transform: none; box-shadow: none; }
        .star-rating { display: flex; flex-direction: row-reverse; justify-content: flex-end; gap: 0.2rem; font-size: 1.8rem; margin: 0.6rem 0; }
        .star-rating input { display: none; }
        .star-rating label { color: #d1d5db; cursor: pointer; transition: color 0.15s; }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label { color: #f59e0b; }
        .score-display { font-size: 1rem; color: #475569; margin-top: 0.4rem; }
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 2.2rem 0 1.5rem;
            margin-top: auto;
            border-top: 4px solid #2563eb;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; margin-bottom: 1.5rem; }
        .footer-grid h4 { color: #fff; font-size: 1.1rem; margin-bottom: 0.8rem; }
        .footer-grid a { color: #93c5fd; }
        .footer-grid a:hover { color: #fff; }
        friend-link { display: block; margin-top: 0.6rem; }
        friend-link a { display: inline-block; margin-right: 1.2rem; margin-bottom: 0.3rem; font-size: 0.9rem; }
        .copyright { border-top: 1px solid #1e293b; padding-top: 1.2rem; font-size: 0.85rem; text-align: center; color: #64748b; }
        @media (max-width: 992px) {
            .page-wrap { grid-template-columns: 1fr; }
            .sidebar { position: static; }
            .sidebar-card { margin-bottom: 1rem; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.5rem; }
            .hero h1 { font-size: 2rem; }
        }
        @media (max-width: 768px) {
            .nav-toggle { display: block; }
            .main-nav { display: none; width: 100%; flex-direction: column; align-items: flex-start; gap: 0.3rem; padding: 0.8rem 0 0.4rem; }
            .main-nav.open { display: flex; }
            .main-nav a { width: 100%; padding: 0.5rem 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
            .interaction-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .hero h1 { font-size: 1.6rem; }
            .hero .meta { flex-direction: column; gap: 0.4rem; }
            .header-inner { position: relative; }
            .my-logo { font-size: 1.2rem; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 0.9rem; }
            h1 { font-size: 1.5rem; }
            h2 { font-size: 1.25rem; }
            h3 { font-size: 1.1rem; }
            .search-form input { font-size: 0.85rem; padding: 0.6rem 0.9rem; }
            .search-form button { padding: 0 1rem; font-size: 0.85rem; }
            .btn { padding: 0.5rem 1.1rem; font-size: 0.85rem; }
            .star-rating { font-size: 1.5rem; }
        }
        .text-muted { color: #64748b; }
        .mt-1 { margin-top: 0.5rem; }
        .mt-2 { margin-top: 1rem; }
        .mb-1 { margin-bottom: 0.5rem; }
        .mb-2 { margin-bottom: 1rem; }
        .flex { display: flex; align-items: center; gap: 0.5rem; }
        .gap-1 { gap: 0.5rem; }
        .gap-2 { gap: 1rem; }
        .anchor-offset { scroll-margin-top: 80px; }