*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #f8fafc;
            color: #1e293b;
            line-height: 1.8;
            padding: 0 0 0 0;
        }
        a {
            color: #1d4ed8;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: #0f3b9e;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .skip-link {
            position: absolute;
            top: -100%;
            left: 1rem;
            background: #1d4ed8;
            color: #fff;
            padding: 0.75rem 1.5rem;
            border-radius: 0 0 8px 8px;
            z-index: 9999;
            font-weight: 600;
        }
        .skip-link:focus {
            top: 0;
        }
        .site-header {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: #fff;
            padding: 0.75rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem 1.25rem;
        }
        .my-logo {
            font-size: 1.75rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none !important;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            -webkit-text-fill-color: #fbbf24;
            font-size: 1.6rem;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none !important;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 1.25rem;
            flex-wrap: wrap;
        }
        .nav-list a {
            color: #e2e8f0;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.25s, color 0.25s;
        }
        .nav-list a:hover {
            color: #fbbf24;
            border-bottom-color: #fbbf24;
            text-decoration: none;
        }
        .nav-list a.active {
            color: #fbbf24;
            border-bottom-color: #fbbf24;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.25rem;
            line-height: 1;
            z-index: 1001;
        }
        .hamburger:focus-visible {
            outline: 2px solid #fbbf24;
            outline-offset: 4px;
            border-radius: 4px;
        }
        .breadcrumb-wrap {
            background: #f1f5f9;
            padding: 0.6rem 0;
            border-bottom: 1px solid #e2e8f0;
            font-size: 0.9rem;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 0.4rem 0.6rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #94a3b8;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #1d4ed8;
        }
        .breadcrumb .current {
            color: #475569;
            font-weight: 500;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2.5rem 0;
        }
        @media (max-width: 992px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: #fff;
            border-radius: 16px;
            padding: 2.5rem 2.8rem;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
        }
        @media (max-width: 600px) {
            article {
                padding: 1.5rem 1.2rem;
            }
        }
        article h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 0.75rem;
            color: #0f172a;
        }
        article h1 i {
            color: #f59e0b;
            margin-right: 0.35rem;
        }
        article h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-top: 2.8rem;
            margin-bottom: 1rem;
            color: #0f172a;
            border-bottom: 3px solid #fbbf24;
            padding-bottom: 0.35rem;
        }
        article h3 {
            font-size: 1.35rem;
            font-weight: 600;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
            color: #1e293b;
        }
        article h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-top: 1.5rem;
            margin-bottom: 0.5rem;
            color: #334155;
        }
        article p {
            margin-bottom: 1.25rem;
            font-size: 1.05rem;
            color: #1e293b;
        }
        article .lead {
            font-size: 1.2rem;
            color: #334155;
            border-left: 4px solid #fbbf24;
            padding-left: 1.25rem;
            font-weight: 500;
        }
        article ul,
        article ol {
            margin-bottom: 1.5rem;
            padding-left: 1.75rem;
        }
        article li {
            margin-bottom: 0.5rem;
            font-size: 1.04rem;
        }
        article strong {
            color: #0f172a;
            font-weight: 700;
        }
        article .highlight-box {
            background: #fefce8;
            border-left: 5px solid #f59e0b;
            padding: 1.25rem 1.75rem;
            border-radius: 0 12px 12px 0;
            margin: 1.8rem 0;
        }
        article .highlight-box p:last-child {
            margin-bottom: 0;
        }
        article table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.8rem 0;
            font-size: 0.98rem;
        }
        article table th {
            background: #1e293b;
            color: #fff;
            padding: 0.75rem 1rem;
            text-align: left;
            font-weight: 600;
        }
        article table td {
            padding: 0.7rem 1rem;
            border-bottom: 1px solid #e2e8f0;
        }
        article table tr:nth-child(even) {
            background: #f8fafc;
        }
        article table tr:hover {
            background: #f1f5f9;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
            background: #f1f5f9;
        }
        .featured-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16/9;
        }
        .featured-image figcaption {
            padding: 0.75rem 1.25rem;
            font-size: 0.9rem;
            color: #475569;
            background: #f8fafc;
            border-top: 1px solid #e2e8f0;
            font-style: italic;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 16px;
            padding: 1.5rem 1.8rem;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: #0f172a;
            border-bottom: 2px solid #fbbf24;
            padding-bottom: 0.4rem;
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
        }
        .sidebar-card li {
            margin-bottom: 0.6rem;
            padding: 0.4rem 0;
            border-bottom: 1px solid #f1f5f9;
        }
        .sidebar-card li a {
            font-weight: 500;
        }
        .sidebar-card .fa-chevron-right {
            font-size: 0.7rem;
            margin-right: 0.4rem;
            color: #f59e0b;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            margin: 1.2rem 0;
        }
        .search-form input[type="text"] {
            flex: 1;
            padding: 0.7rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 40px;
            font-size: 0.95rem;
            background: #fff;
            transition: border-color 0.3s;
        }
        .search-form input[type="text"]:focus {
            border-color: #f59e0b;
            outline: none;
            box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
        }
        .search-form button {
            background: #1e293b;
            color: #fff;
            border: none;
            border-radius: 40px;
            padding: 0.7rem 1.4rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
        }
        .search-form button:hover {
            background: #0f172a;
        }
        .comment-section,
        .rating-section {
            background: #fff;
            border-radius: 16px;
            padding: 2rem 2.5rem;
            margin-top: 2.5rem;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
        }
        @media (max-width: 600px) {
            .comment-section,
            .rating-section {
                padding: 1.5rem 1.2rem;
            }
        }
        .comment-section h2,
        .rating-section h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 1.25rem;
            color: #0f172a;
            border-bottom: 3px solid #fbbf24;
            padding-bottom: 0.4rem;
        }
        .form-group {
            margin-bottom: 1.25rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.3rem;
            color: #1e293b;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 10px;
            font-size: 0.98rem;
            font-family: inherit;
            background: #fff;
            transition: border-color 0.3s;
        }
        .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 {
            min-height: 120px;
            resize: vertical;
        }
        .btn-primary {
            background: linear-gradient(135deg, #1e293b, #0f172a);
            color: #fff;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(15, 23, 42, 0.2);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            font-size: 2rem;
            cursor: pointer;
            direction: rtl;
            justify-content: flex-end;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #cbd5e1;
            transition: color 0.2s;
            cursor: pointer;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f59e0b;
        }
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .site-footer h4 {
            color: #fbbf24;
            font-size: 1.1rem;
            margin-bottom: 1rem;
        }
        .site-footer a {
            color: #94a3b8;
        }
        .site-footer a:hover {
            color: #fbbf24;
        }
        .friend-link {
            display: block;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid #1e293b;
        }
        .friend-link a {
            display: inline-block;
            margin-right: 1.25rem;
            margin-bottom: 0.5rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            margin-top: 1.5rem;
            border-top: 1px solid #1e293b;
            font-size: 0.9rem;
            color: #64748b;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #1e293b;
                padding: 1rem 1.25rem;
                border-radius: 12px;
                gap: 0.75rem;
                margin-top: 0.5rem;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-wrapper {
                flex-wrap: wrap;
                width: 100%;
            }
            .header-inner {
                align-items: center;
            }
            article h1 {
                font-size: 1.8rem;
            }
            article h2 {
                font-size: 1.4rem;
            }
            .sidebar {
                order: 2;
            }
            .main-grid {
                padding: 1.5rem 0;
                gap: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 0.85rem;
            }
            article {
                padding: 1.2rem 0.9rem;
            }
            article h1 {
                font-size: 1.5rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
            }
            .star-rating {
                font-size: 1.6rem;
            }
        }
        .last-updated {
            display: inline-block;
            background: #f1f5f9;
            padding: 0.25rem 1rem;
            border-radius: 40px;
            font-size: 0.85rem;
            color: #475569;
            margin-bottom: 1rem;
        }
        .emoji-lg {
            font-size: 1.3rem;
        }
        .toc {
            background: #f8fafc;
            border-radius: 12px;
            padding: 1.25rem 1.75rem;
            margin: 1.5rem 0 2rem;
            border: 1px solid #e2e8f0;
        }
        .toc h3 {
            margin-top: 0;
            font-size: 1.1rem;
        }
        .toc ol {
            margin-bottom: 0;
            padding-left: 1.5rem;
        }
        .toc li {
            margin-bottom: 0.3rem;
        }
        .toc a {
            color: #1d4ed8;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1rem;
            margin: 1.8rem 0;
        }
        .stat-card {
            background: #f8fafc;
            border-radius: 12px;
            padding: 1.25rem;
            text-align: center;
            border: 1px solid #e2e8f0;
        }
        .stat-card .number {
            font-size: 2rem;
            font-weight: 800;
            color: #f59e0b;
        }
        .stat-card .label {
            font-size: 0.9rem;
            color: #475569;
        }
        .inline-link-icon {
            margin: 0 0.2rem;
        }