*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #1a2a3a;
            --secondary: #e63946;
            --accent: #f4a261;
            --light: #f8f9fa;
            --dark: #0d1b2a;
            --text: #212529;
            --text-light: #6c757d;
            --border: #dee2e6;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --radius: 12px;
            --max-width: 1200px;
            --font: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            --transition: 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            color: var(--text);
            background: #ffffff;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: #b52d3a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: var(--dark);
            color: #fff;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 20px;
            max-width: var(--max-width);
            margin: 0 auto;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff;
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .my-logo .logo-sub {
            font-size: 0.65rem;
            font-weight: 400;
            color: var(--accent);
            letter-spacing: 1px;
            text-transform: uppercase;
        }
        .my-logo:hover {
            color: var(--accent);
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .main-nav {
            display: flex;
            gap: 24px;
            align-items: center;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e9ecef;
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 4px 0;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width var(--transition);
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .main-nav a:hover {
            color: var(--accent);
            text-decoration: none;
        }
        .breadcrumb {
            background: #f1f3f5;
            padding: 10px 20px;
            font-size: 0.85rem;
            color: var(--text-light);
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--secondary);
        }
        .breadcrumb span {
            margin: 0 6px;
        }
        .article-wrapper {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 30px 20px 60px;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .article-main {
            min-width: 0;
        }
        .article-sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--dark);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--dark);
            margin-top: 48px;
            margin-bottom: 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--accent);
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 600;
            color: var(--primary);
            margin-top: 32px;
            margin-bottom: 12px;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--primary);
            margin-top: 24px;
            margin-bottom: 8px;
        }
        .article-main p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: #2a2a2a;
        }
        .article-main ul,
        .article-main ol {
            margin: 16px 0 24px 24px;
        }
        .article-main li {
            margin-bottom: 10px;
            font-size: 1.02rem;
        }
        .highlight-box {
            background: #fef9ef;
            border-left: 5px solid var(--accent);
            padding: 20px 24px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 24px 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .featured-image {
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin: 28px 0;
            width: 100%;
        }
        .sidebar-card {
            background: #f8f9fa;
            border-radius: var(--radius);
            padding: 24px;
            margin-bottom: 24px;
            box-shadow: var(--shadow);
        }
        .sidebar-card h4 {
            font-size: 1.1rem;
            margin-top: 0;
            margin-bottom: 14px;
            color: var(--dark);
            border-bottom: 2px solid var(--accent);
            padding-bottom: 8px;
        }
        .sidebar-link-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .sidebar-link-list li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border);
        }
        .sidebar-link-list li:last-child {
            border-bottom: none;
        }
        .sidebar-link-list a {
            font-size: 0.95rem;
            display: block;
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin: 20px 0 30px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 18px;
            border: 2px solid var(--border);
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: border var(--transition);
        }
        .search-form input:focus {
            border-color: var(--accent);
        }
        .search-form button {
            background: var(--secondary);
            color: #fff;
            border: none;
            padding: 0 24px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition);
        }
        .search-form button:hover {
            background: #b52d3a;
        }
        .comments-section {
            margin-top: 48px;
            padding-top: 32px;
            border-top: 2px solid var(--border);
        }
        .comments-section h3 {
            margin-top: 0;
        }
        .comment-form textarea {
            width: 100%;
            padding: 14px 18px;
            border: 2px solid var(--border);
            border-radius: var(--radius);
            font-size: 1rem;
            font-family: var(--font);
            resize: vertical;
            min-height: 100px;
            outline: none;
            transition: border var(--transition);
        }
        .comment-form textarea:focus {
            border-color: var(--accent);
        }
        .comment-form .form-row {
            display: flex;
            gap: 12px;
            margin: 12px 0;
            flex-wrap: wrap;
        }
        .comment-form .form-row input {
            flex: 1;
            padding: 10px 16px;
            border: 2px solid var(--border);
            border-radius: 50px;
            font-size: 0.95rem;
            outline: none;
            min-width: 160px;
            transition: border var(--transition);
        }
        .comment-form .form-row input:focus {
            border-color: var(--accent);
        }
        .comment-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition);
        }
        .comment-form button:hover {
            background: #0d1b2a;
        }
        .rating-section {
            margin: 32px 0;
            padding: 24px;
            background: #f8f9fa;
            border-radius: var(--radius);
        }
        .rating-stars {
            display: flex;
            gap: 8px;
            font-size: 2rem;
            color: #ccc;
            cursor: pointer;
            margin: 12px 0 16px;
        }
        .rating-stars i {
            transition: color var(--transition), transform 0.2s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #f4a261;
            transform: scale(1.1);
        }
        .rating-stars i.fas {
            color: #f4a261;
        }
        .rating-section button {
            background: var(--accent);
            color: #1a2a3a;
            border: none;
            padding: 10px 28px;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition);
        }
        .rating-section button:hover {
            background: #e08a3a;
        }
        .rating-result {
            margin-top: 12px;
            font-weight: 600;
            color: var(--primary);
        }
        .site-footer {
            background: var(--dark);
            color: #e9ecef;
            padding: 48px 20px 24px;
            margin-top: 60px;
        }
        .footer-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
        }
        .footer-inner h4 {
            color: var(--accent);
            font-size: 1.1rem;
            margin-bottom: 16px;
            margin-top: 0;
        }
        .footer-inner p,
        .footer-inner a {
            font-size: 0.92rem;
            color: #ced4da;
        }
        .footer-inner a:hover {
            color: var(--accent);
        }
        .friend-link {
            display: block;
            margin-top: 8px;
        }
        .friend-link a {
            display: inline-block;
            margin-right: 12px;
            padding: 4px 0;
        }
        .copyright {
            max-width: var(--max-width);
            margin: 32px auto 0;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            font-size: 0.85rem;
            color: #adb5bd;
        }
        .last-updated {
            display: inline-block;
            background: var(--accent);
            color: #1a2a3a;
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 16px;
        }
        @media (max-width: 992px) {
            .article-wrapper {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .article-sidebar {
                position: static;
                order: 2;
            }
            .article-main {
                order: 1;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                gap: 12px;
                padding: 16px 0 8px;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                margin-top: 12px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                font-size: 1rem;
                padding: 8px 0;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .header-inner {
                padding: 10px 16px;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .comment-form .form-row {
                flex-direction: column;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                padding: 12px;
            }
        }
        @media (max-width: 480px) {
            .article-wrapper {
                padding: 20px 14px 40px;
            }
            h1 {
                font-size: 1.5rem;
            }
            .rating-stars {
                font-size: 1.6rem;
            }
        }
        .text-accent {
            color: var(--accent);
        }
        .text-secondary {
            color: var(--secondary);
        }
        .fw-700 {
            font-weight: 700;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 4px;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 24px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        table th,
        table td {
            padding: 12px 16px;
            border: 1px solid var(--border);
            text-align: left;
        }
        table th {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }
        table tr:nth-child(even) {
            background: #f8f9fa;
        }
        .main-nav {
            transition: all 0.3s ease;
        }