*,
        *::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, 'Helvetica Neue', Arial, sans-serif;
            color: #1e1e2a;
            background: #f8f9fc;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #c0392b;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus-visible {
            color: #922b21;
            text-decoration: underline;
        }
        ul,
        ol {
            padding-left: 1.25rem;
        }
        li {
            margin-bottom: 0.4rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }
        .site-header {
            background: linear-gradient(145deg, #1a1a2e 0%, #16213e 100%);
            color: #fff;
            padding: 0.75rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 0.75rem;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #f1c40f;
            text-shadow: 0 2px 8px rgba(241, 196, 15, 0.25);
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.02);
            text-decoration: none;
            color: #f1c40f;
        }
        .my-logo span {
            color: #e67e22;
        }
        .my-logo small {
            font-size: 0.55rem;
            font-weight: 400;
            color: #bdc3c7;
            letter-spacing: 0.3px;
            display: block;
            line-height: 1.2;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 1.5rem;
            padding: 0.4rem 0.8rem;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.25s;
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-toggle i {
            pointer-events: none;
        }
        .main-nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.25rem 1.2rem;
        }
        .main-nav a {
            color: #ecf0f1;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 0.3rem 0;
            border-bottom: 2px solid transparent;
            transition: border-color 0.3s, color 0.3s;
        }
        .main-nav a:hover {
            color: #f1c40f;
            border-bottom-color: #f1c40f;
            text-decoration: none;
        }
        .main-nav .active {
            color: #f1c40f;
            border-bottom-color: #f1c40f;
        }
        .breadcrumb {
            background: #fff;
            padding: 0.75rem 0;
            border-bottom: 1px solid #e9ecef;
            font-size: 0.85rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.35rem 0.6rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #7f8c8d;
        }
        .breadcrumb a {
            color: #2c3e50;
        }
        .breadcrumb .current {
            color: #c0392b;
            font-weight: 600;
        }
        .hero {
            background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
            color: #fff;
            padding: 3rem 0 2.5rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: "⚡";
            font-size: 12rem;
            opacity: 0.04;
            position: absolute;
            right: -2rem;
            bottom: -2rem;
            transform: rotate(15deg);
            pointer-events: none;
        }
        .hero h1 {
            font-size: clamp(2rem, 6vw, 3.6rem);
            font-weight: 900;
            letter-spacing: -1px;
            line-height: 1.2;
            margin-bottom: 0.75rem;
        }
        .hero h1 span {
            color: #f1c40f;
        }
        .hero p {
            font-size: 1.15rem;
            max-width: 720px;
            margin: 0 auto 1.25rem;
            color: #d5d8dc;
        }
        .hero .meta-badge {
            display: inline-flex;
            flex-wrap: wrap;
            gap: 0.75rem 1.5rem;
            background: rgba(255, 255, 255, 0.08);
            padding: 0.6rem 1.5rem;
            border-radius: 40px;
            font-size: 0.9rem;
            color: #e0e0e0;
        }
        .hero .meta-badge i {
            color: #f1c40f;
            margin-right: 0.35rem;
        }
        .search-section {
            background: #fff;
            padding: 1.75rem 0;
            border-bottom: 1px solid #e9ecef;
        }
        .search-form {
            display: flex;
            gap: 0.75rem;
            max-width: 600px;
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1 1 200px;
            padding: 0.8rem 1.2rem;
            border: 2px solid #dfe6e9;
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
        }
        .search-form input:focus {
            border-color: #c0392b;
        }
        .search-form button {
            padding: 0.8rem 2rem;
            background: #c0392b;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #a93226;
            transform: scale(1.02);
        }
        .main-content {
            padding: 2.5rem 0 3rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-body h2 {
            font-size: 1.9rem;
            font-weight: 800;
            color: #1a1a2e;
            margin-top: 2.8rem;
            margin-bottom: 1rem;
            padding-bottom: 0.4rem;
            border-bottom: 4px solid #f1c40f;
            display: inline-block;
        }
        .article-body h3 {
            font-size: 1.45rem;
            font-weight: 700;
            color: #2c3e50;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
        }
        .article-body h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #34495e;
            margin-top: 1.5rem;
            margin-bottom: 0.5rem;
        }
        .article-body p {
            margin-bottom: 1.25rem;
            color: #2d3436;
        }
        .article-body .highlight-box {
            background: #fef9e7;
            border-left: 5px solid #f1c40f;
            padding: 1.25rem 1.5rem;
            border-radius: 0 12px 12px 0;
            margin: 1.5rem 0;
        }
        .article-body .highlight-box strong {
            color: #c0392b;
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 1.25rem;
        }
        .article-body li {
            margin-bottom: 0.5rem;
        }
        .article-body .stat-table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.95rem;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
        }
        .article-body .stat-table th {
            background: #1a1a2e;
            color: #fff;
            padding: 0.8rem 1rem;
            text-align: left;
            font-weight: 600;
        }
        .article-body .stat-table td {
            padding: 0.7rem 1rem;
            border-bottom: 1px solid #ecf0f1;
        }
        .article-body .stat-table tr:last-child td {
            border-bottom: none;
        }
        .article-body .stat-table tr:nth-child(even) {
            background: #f8f9fc;
        }
        .featured-image-wrapper {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
            background: #fff;
            padding: 0.75rem;
        }
        .featured-image-wrapper img {
            border-radius: 12px;
            width: 100%;
            height: auto;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: #e9ecef;
        }
        .featured-image-wrapper figcaption {
            text-align: center;
            padding: 0.6rem 0 0.2rem;
            font-size: 0.85rem;
            color: #636e72;
            font-style: italic;
        }
        .sidebar {
            position: sticky;
            top: 90px;
            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 #edf2f7;
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #1a1a2e;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #f1c40f;
        }
        .sidebar-link-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-link-list li {
            margin-bottom: 0.5rem;
        }
        .sidebar-link-list a {
            display: block;
            padding: 0.5rem 0.75rem;
            background: #f8f9fc;
            border-radius: 8px;
            font-size: 0.9rem;
            color: #2c3e50;
            transition: background 0.25s, color 0.25s;
        }
        .sidebar-link-list a:hover {
            background: #c0392b;
            color: #fff;
            text-decoration: none;
        }
        .sidebar-link-list a i {
            margin-right: 0.5rem;
            color: #f1c40f;
        }
        .sidebar-link-list a:hover i {
            color: #fff;
        }
        .rating-box {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.35rem;
            font-size: 2rem;
            color: #f1c40f;
            margin: 0.5rem 0;
        }
        .stars i {
            cursor: pointer;
            transition: transform 0.2s, color 0.2s;
        }
        .stars i:hover {
            transform: scale(1.2);
            color: #e67e22;
        }
        .rating-box .avg {
            font-size: 1.1rem;
            font-weight: 700;
            color: #2c3e50;
        }
        .rating-box .count {
            font-size: 0.85rem;
            color: #7f8c8d;
        }
        .rating-form {
            margin-top: 1rem;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }
        .rating-form input,
        .rating-form textarea {
            padding: 0.6rem 1rem;
            border: 2px solid #dfe6e9;
            border-radius: 8px;
            font-size: 0.9rem;
            resize: vertical;
            font-family: inherit;
        }
        .rating-form input:focus,
        .rating-form textarea:focus {
            border-color: #c0392b;
            outline: none;
        }
        .rating-form button {
            padding: 0.65rem 1.5rem;
            background: #c0392b;
            color: #fff;
            border: none;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
        }
        .rating-form button:hover {
            background: #a93226;
        }
        .comments-section {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 2px solid #ecf0f1;
        }
        .comments-section h2 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 1.25rem;
            color: #1a1a2e;
        }
        .comment-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            margin-bottom: 2rem;
        }
        .comment-form input,
        .comment-form textarea {
            padding: 0.8rem 1.2rem;
            border: 2px solid #dfe6e9;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: border-color 0.3s;
        }
        .comment-form input:focus,
        .comment-form textarea:focus {
            border-color: #c0392b;
            outline: none;
        }
        .comment-form textarea {
            grid-column: 1 / -1;
            resize: vertical;
            min-height: 100px;
        }
        .comment-form button {
            grid-column: 1 / -1;
            justify-self: start;
            padding: 0.75rem 2.5rem;
            background: #c0392b;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
        }
        .comment-form button:hover {
            background: #a93226;
            transform: translateY(-2px);
        }
        .site-footer {
            background: #1a1a2e;
            color: #d5d8dc;
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }
        .footer-inner h4 {
            color: #f1c40f;
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
            font-weight: 700;
        }
        .footer-inner a {
            color: #bdc3c7;
        }
        .footer-inner a:hover {
            color: #f1c40f;
        }
        .footer-links {
            list-style: none;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 0.4rem;
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            margin-top: 1.5rem;
            text-align: center;
            font-size: 0.85rem;
            color: #95a5a6;
        }
        .copyright strong {
            color: #ecf0f1;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.04);
            padding: 0.8rem 1rem;
            border-radius: 10px;
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        friend-link a {
            color: #f1c40f;
            margin: 0 0.25rem;
        }
        friend-link a:hover {
            color: #e67e22;
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0f0c29;
                padding: 1rem 1.25rem;
                border-radius: 12px;
                margin-top: 0.5rem;
                gap: 0.5rem;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 0.5rem 0;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .hero {
                padding: 2rem 0 1.5rem;
            }
            .hero .meta-badge {
                font-size: 0.8rem;
                padding: 0.4rem 1rem;
            }
            .comment-form {
                grid-template-columns: 1fr;
            }
            .search-form button {
                flex: 1 1 100%;
                justify-content: center;
            }
            .article-body h2 {
                font-size: 1.5rem;
            }
            .article-body h3 {
                font-size: 1.2rem;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.3rem;
            }
            .container {
                padding: 0 1rem;
            }
            .sidebar-card {
                padding: 1rem;
            }
            .stars {
                font-size: 1.6rem;
            }
        }
        .text-muted {
            color: #7f8c8d;
        }
        .mt-2 {
            margin-top: 1.5rem;
        }
        .mb-1 {
            margin-bottom: 0.75rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .last-updated {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: #edf2f7;
            padding: 0.25rem 1rem 0.25rem 0.75rem;
            border-radius: 30px;
            font-size: 0.8rem;
            color: #2c3e50;
        }
        .last-updated i {
            color: #c0392b;
        }