*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
            background: #faf9f7;
            color: #1e1e2a;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a { color: #b45309; text-decoration: none; transition: color 0.2s; }
        a:hover { color: #7a2e0e; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; border-radius: 12px; }
        hr { border: none; border-top: 1px solid #e5e7eb; margin: 2rem 0; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
        .badge { display: inline-block; background: #f59e0b; color: #1e1e2a; padding: 0.15rem 0.75rem; border-radius: 20px; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.3px; }
        .site-header {
            background: linear-gradient(145deg, #1e1e2a 0%, #2d2a3e 100%);
            color: #fff;
            padding: 0.75rem 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: 1.8rem;
            font-weight: 800;
            color: #fbbf24;
            letter-spacing: -0.5px;
            text-transform: uppercase;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i { font-size: 1.6rem; color: #f59e0b; }
        .my-logo:hover { color: #fcd34d; text-decoration: none; }
        .my-logo span { font-weight: 300; color: #d1d5db; font-size: 0.9rem; }
        .nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.6rem; cursor: pointer; padding: 0.25rem 0.5rem; }
        .nav-menu { display: flex; gap: 0.25rem; flex-wrap: wrap; align-items: center; }
        .nav-menu a {
            color: #e5e7eb;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.25s;
            white-space: nowrap;
        }
        .nav-menu a:hover, .nav-menu a.active { background: rgba(251,191,36,0.18); color: #fbbf24; text-decoration: none; }
        .nav-menu a i { margin-right: 0.35rem; font-size: 0.8rem; }
        .breadcrumb {
            background: #f3f2ef;
            padding: 0.65rem 0;
            font-size: 0.85rem;
            color: #6b7280;
            border-bottom: 1px solid #e5e7eb;
        }
        .breadcrumb a { color: #6b7280; }
        .breadcrumb a:hover { color: #b45309; }
        .breadcrumb i { margin: 0 0.4rem; font-size: 0.6rem; color: #9ca3af; }
        .main-content { flex: 1; padding: 2.5rem 0 4rem; }
        .content-grid { display: grid; grid-template-columns: 1fr 300px; gap: 2.5rem; }
        .article-body h1 { font-size: 2.4rem; font-weight: 800; color: #1e1e2a; margin-bottom: 0.5rem; line-height: 1.2; }
        .article-body h1 i { color: #f59e0b; margin-right: 0.5rem; }
        .meta-line { color: #6b7280; font-size: 0.9rem; margin-bottom: 1.5rem; display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; }
        .meta-line i { margin-right: 0.3rem; }
        .article-body h2 { font-size: 1.7rem; font-weight: 700; color: #1e1e2a; margin: 2.2rem 0 1rem 0; padding-bottom: 0.4rem; border-bottom: 3px solid #fbbf24; }
        .article-body h3 { font-size: 1.3rem; font-weight: 600; color: #2d2a3e; margin: 1.6rem 0 0.6rem 0; }
        .article-body h4 { font-size: 1.1rem; font-weight: 600; color: #4b4545; margin: 1rem 0 0.4rem 0; }
        .article-body p { margin-bottom: 1.1rem; text-align: justify; }
        .article-body ul, .article-body ol { margin: 0.8rem 0 1.2rem 2rem; }
        .article-body li { margin-bottom: 0.4rem; }
        .article-body blockquote {
            border-left: 5px solid #f59e0b;
            background: #fffbeb;
            padding: 1.2rem 1.8rem;
            margin: 1.5rem 0;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #374151;
        }
        .article-body blockquote cite { display: block; margin-top: 0.5rem; font-style: normal; font-weight: 600; color: #92400e; font-size: 0.9rem; }
        .highlight-box {
            background: linear-gradient(135deg, #fffbeb, #fef3c7);
            border: 1px solid #fbbf24;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            margin: 1.8rem 0;
        }
        .highlight-box h4 { margin-top: 0; color: #92400e; }
        .table-wrap { overflow-x: auto; margin: 1.5rem 0; border-radius: 12px; border: 1px solid #e5e7eb; }
        table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
        th { background: #1e1e2a; color: #fff; padding: 0.75rem 1rem; text-align: left; font-weight: 600; }
        td { padding: 0.7rem 1rem; border-bottom: 1px solid #e5e7eb; }
        tr:nth-child(even) td { background: #f9fafb; }
        .feature-img { margin: 2rem 0; border-radius: 16px; box-shadow: 0 8px 30px rgba(0,0,0,0.08); }
        .feature-img figcaption { text-align: center; font-size: 0.85rem; color: #6b7280; margin-top: 0.6rem; }
        .sidebar { position: sticky; top: 100px; align-self: start; }
        .sidebar-card {
            background: #fff;
            border: 1px solid #e5e7eb;
            border-radius: 16px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: 0 2px 12px rgba(0,0,0,0.03);
        }
        .sidebar-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 1rem; color: #1e1e2a; border-left: 4px solid #fbbf24; padding-left: 0.75rem; }
        .sidebar-link-list { list-style: none; }
        .sidebar-link-list li { margin-bottom: 0.5rem; }
        .sidebar-link-list a { display: block; padding: 0.45rem 0.75rem; border-radius: 8px; background: #f9fafb; font-size: 0.9rem; transition: background 0.2s; }
        .sidebar-link-list a:hover { background: #fef3c7; text-decoration: none; }
        .search-form { display: flex; gap: 0.5rem; }
        .search-form input {
            flex: 1;
            padding: 0.65rem 1rem;
            border: 1px solid #d1d5db;
            border-radius: 30px;
            font-size: 0.9rem;
            outline: none;
            transition: border 0.2s;
        }
        .search-form input:focus { border-color: #f59e0b; box-shadow: 0 0 0 3px rgba(245,158,11,0.15); }
        .search-form button {
            background: #f59e0b;
            color: #1e1e2a;
            border: none;
            border-radius: 30px;
            padding: 0.65rem 1.4rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 0.9rem;
        }
        .search-form button:hover { background: #d97706; }
        .comment-section, .score-section {
            background: #fff;
            border: 1px solid #e5e7eb;
            border-radius: 16px;
            padding: 2rem;
            margin: 2.5rem 0 1.5rem;
            box-shadow: 0 2px 12px rgba(0,0,0,0.03);
        }
        .comment-section h3, .score-section h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 1rem; display: flex; align-items: center; gap: 0.5rem; }
        .form-group { margin-bottom: 1rem; }
        .form-group label { display: block; font-weight: 600; margin-bottom: 0.3rem; font-size: 0.9rem; }
        .form-group input, .form-group textarea, .form-group select {
            width: 100%;
            padding: 0.65rem 1rem;
            border: 1px solid #d1d5db;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: border 0.2s;
        }
        .form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: #f59e0b; outline: none; box-shadow: 0 0 0 3px rgba(245,158,11,0.12); }
        .form-group textarea { resize: vertical; min-height: 100px; }
        .btn-primary {
            background: #f59e0b;
            color: #1e1e2a;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all 0.25s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-primary:hover { background: #d97706; transform: translateY(-1px); box-shadow: 0 4px 14px rgba(245,158,11,0.3); }
        .star-rating { display: flex; flex-direction: row-reverse; justify-content: flex-end; gap: 0.2rem; font-size: 1.8rem; }
        .star-rating input { display: none; }
        .star-rating label { cursor: pointer; color: #d1d5db; transition: color 0.2s; }
        .star-rating label:hover, .star-rating label:hover ~ label, .star-rating input:checked ~ label { color: #f59e0b; }
        .site-footer {
            background: #1e1e2a;
            color: #d1d5db;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; }
        .site-footer h4 { color: #fbbf24; font-size: 1.1rem; margin-bottom: 1rem; }
        .site-footer a { color: #9ca3af; }
        .site-footer a:hover { color: #fbbf24; }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.04);
            border-radius: 12px;
            padding: 1.2rem 1.5rem;
            margin: 1rem 0;
            border: 1px solid rgba(255,255,255,0.06);
        }
        friend-link a { display: inline-block; margin: 0.25rem 0.75rem 0.25rem 0; }
        .copyright { border-top: 1px solid #374151; padding-top: 1.5rem; margin-top: 2rem; text-align: center; font-size: 0.85rem; color: #6b7280; }
        @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; }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #2d2a3e;
                padding: 1rem 0.5rem;
                border-radius: 0 0 16px 16px;
                margin-top: 0.75rem;
                gap: 0.15rem;
            }
            .nav-menu.open { display: flex; }
            .nav-menu a { padding: 0.6rem 1rem; width: 100%; }
            .header-inner { align-items: center; }
            .article-body h1 { font-size: 1.8rem; }
            .article-body h2 { font-size: 1.4rem; }
            .footer-grid { grid-template-columns: 1fr; }
            .star-rating { font-size: 1.5rem; }
            .search-form { flex-direction: column; }
            .search-form button { width: 100%; justify-content: center; }
        }
        @media (max-width: 480px) {
            .my-logo { font-size: 1.3rem; }
            .my-logo span { font-size: 0.7rem; }
            .container { padding: 0 1rem; }
            .comment-section, .score-section { padding: 1.25rem; }
            .highlight-box { padding: 1rem 1.25rem; }
        }
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: #f59e0b;
            color: #1e1e2a;
            border: none;
            border-radius: 50%;
            width: 48px;
            height: 48px;
            font-size: 1.3rem;
            cursor: pointer;
            box-shadow: 0 4px 16px rgba(0,0,0,0.15);
            transition: all 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
        }
        .scroll-top.visible { opacity: 1; visibility: visible; pointer-events: auto; }
        .scroll-top:hover { background: #d97706; transform: translateY(-3px); }
        @media print {
            .site-header, .site-footer, .sidebar, .breadcrumb, .scroll-top, .comment-section, .score-section, .search-form { display: none !important; }
            .content-grid { display: block; }
            body { background: #fff; color: #000; }
        }