* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --bg-primary: #0b0d14;
            --bg-secondary: #12162a;
            --bg-card: #1a1f3a;
            --text-primary: #f0f0f5;
            --text-secondary: #b0b8d1;
            --accent-1: #8b5cf6;
            --accent-2: #6366f1;
            --accent-3: #06b6d4;
            --accent-glow: rgba(139, 92, 246, 0.25);
            --border-color: #2a2f4a;
            --font-body: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --font-heading: 'Segoe UI', system-ui, sans-serif;
            --radius: 14px;
            --radius-sm: 8px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
            --transition: 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font-body);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: var(--accent-3);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent-1);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }
        .site-header {
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(12px);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-1), var(--accent-3));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            transition: opacity var(--transition);
        }
        .my-logo:hover {
            opacity: 0.85;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            font-size: 1.4rem;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: var(--bg-card);
        }
        .nav-menu {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }
        .nav-menu a {
            color: var(--text-secondary);
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .nav-menu a:hover {
            color: var(--text-primary);
            background: var(--bg-card);
            border-color: var(--border-color);
        }
        .breadcrumb {
            background: var(--bg-secondary);
            padding: 10px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 10px;
            color: var(--accent-2);
            font-weight: 700;
        }
        .breadcrumb a {
            color: var(--accent-3);
        }
        .breadcrumb a:hover {
            color: var(--accent-1);
        }
        .breadcrumb .current {
            color: var(--text-secondary);
        }
        main {
            flex: 1;
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .article-body {
            background: var(--bg-secondary);
            border-radius: var(--radius);
            padding: 36px 32px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow);
        }
        .article-body h1 {
            font-size: 2.3rem;
            font-weight: 800;
            margin-bottom: 12px;
            background: linear-gradient(135deg, #f0f0f5, var(--accent-1));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .article-body h2 {
            font-size: 1.7rem;
            font-weight: 700;
            margin: 42px 0 16px;
            color: var(--accent-3);
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 8px;
        }
        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin: 28px 0 10px;
            color: var(--accent-1);
        }
        .article-body h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin: 20px 0 8px;
            color: var(--text-secondary);
        }
        .article-body p {
            margin-bottom: 16px;
            color: var(--text-secondary);
            font-size: 1rem;
        }
        .article-body strong {
            color: var(--text-primary);
            font-weight: 600;
        }
        .article-body ul,
        .article-body ol {
            margin: 12px 0 20px 24px;
            color: var(--text-secondary);
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .highlight-box {
            background: var(--bg-card);
            border-left: 4px solid var(--accent-1);
            padding: 18px 22px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 20px 0;
        }
        .featured-image {
            margin: 28px 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--bg-card);
            padding: 8px;
            border: 1px solid var(--border-color);
        }
        .featured-image img {
            border-radius: calc(var(--radius-sm) - 4px);
            width: 100%;
            height: auto;
            max-height: 480px;
            object-fit: cover;
            background: #1a1f3a;
        }
        .featured-image figcaption {
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-secondary);
            padding: 8px 0 4px;
        }
        .last-updated {
            display: inline-block;
            font-size: 0.85rem;
            color: var(--text-secondary);
            background: var(--bg-card);
            padding: 4px 14px;
            border-radius: 30px;
            margin-bottom: 20px;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--bg-secondary);
            border-radius: var(--radius);
            padding: 22px 20px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow);
        }
        .sidebar-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 14px;
            color: var(--accent-3);
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 8px;
        }
        .sidebar-links {
            list-style: none;
        }
        .sidebar-links li {
            margin-bottom: 10px;
        }
        .sidebar-links a {
            display: block;
            padding: 6px 0;
            font-size: 0.92rem;
            color: var(--text-secondary);
            transition: all var(--transition);
            border-bottom: 1px solid transparent;
        }
        .sidebar-links a:hover {
            color: var(--accent-1);
            border-bottom-color: var(--accent-1);
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin-top: 6px;
        }
        .search-form input {
            flex: 1;
            padding: 10px 16px;
            border-radius: 30px;
            border: 1px solid var(--border-color);
            background: var(--bg-primary);
            color: var(--text-primary);
            font-size: 0.95rem;
            outline: none;
            transition: border var(--transition);
        }
        .search-form input:focus {
            border-color: var(--accent-1);
        }
        .search-form button {
            background: var(--accent-1);
            border: none;
            color: #fff;
            padding: 10px 18px;
            border-radius: 30px;
            font-size: 1rem;
            cursor: pointer;
            transition: background var(--transition);
        }
        .search-form button:hover {
            background: var(--accent-2);
        }
        .comment-area {
            margin-top: 12px;
        }
        .comment-area textarea {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            background: var(--bg-primary);
            color: var(--text-primary);
            font-size: 0.95rem;
            resize: vertical;
            min-height: 90px;
            outline: none;
            transition: border var(--transition);
            font-family: var(--font-body);
        }
        .comment-area textarea:focus {
            border-color: var(--accent-1);
        }
        .comment-area .comment-submit {
            margin-top: 10px;
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
        }
        .comment-area .comment-submit button {
            background: var(--accent-1);
            border: none;
            color: #fff;
            padding: 10px 24px;
            border-radius: 30px;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background var(--transition);
        }
        .comment-area .comment-submit button:hover {
            background: var(--accent-2);
        }
        .star-rating {
            display: flex;
            gap: 6px;
            direction: rtl;
            font-size: 1.4rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: var(--border-color);
            cursor: pointer;
            transition: color var(--transition);
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f59e0b;
        }
        .rating-area {
            margin-bottom: 12px;
        }
        .rating-area p {
            font-size: 0.9rem;
            margin-bottom: 6px;
            color: var(--text-secondary);
        }
        friend-link {
            display: block;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: 28px 0 20px;
            margin-top: 20px;
        }
        friend-link .friend-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px 24px;
            justify-content: center;
        }
        friend-link a {
            color: var(--text-secondary);
            font-size: 0.92rem;
            transition: color var(--transition);
        }
        friend-link a:hover {
            color: var(--accent-1);
        }
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: 28px 0;
            text-align: center;
        }
        .site-footer p {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        .site-footer .copyright {
            color: var(--text-secondary);
            font-size: 0.85rem;
            margin-top: 6px;
            opacity: 0.8;
        }
        @media (max-width: 968px) {
            .content-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .sidebar {
                order: 2;
            }
            .article-body {
                padding: 24px 18px;
            }
            .article-body h1 {
                font-size: 1.8rem;
            }
            .article-body h2 {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 720px) {
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                background: var(--bg-secondary);
                padding: 12px 0;
                border-top: 1px solid var(--border-color);
                gap: 4px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-toggle {
                display: block;
            }
            .header-inner {
                padding: 10px 0;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .breadcrumb ol {
                font-size: 0.8rem;
                gap: 4px 8px;
            }
            .article-body {
                padding: 18px 12px;
            }
            .article-body h1 {
                font-size: 1.5rem;
            }
            .article-body h2 {
                font-size: 1.2rem;
            }
            .article-body h3 {
                font-size: 1.05rem;
            }
            .sidebar-card {
                padding: 16px 14px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 12px;
            }
            .article-body {
                padding: 14px 10px;
            }
            .article-body h1 {
                font-size: 1.3rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
            }
            .star-rating {
                font-size: 1.2rem;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-primary);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--accent-2);
        }
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(12px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .article-body {
            animation: fadeIn 0.5s ease;
        }
        .info-table {
            width: 100%;
            border-collapse: collapse;
            margin: 18px 0;
            font-size: 0.95rem;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            overflow: hidden;
            border: 1px solid var(--border-color);
        }
        .info-table th {
            background: var(--bg-primary);
            color: var(--accent-3);
            padding: 12px 16px;
            text-align: left;
            font-weight: 600;
            border-bottom: 2px solid var(--border-color);
        }
        .info-table td {
            padding: 10px 16px;
            border-bottom: 1px solid var(--border-color);
            color: var(--text-secondary);
        }
        .info-table tr:last-child td {
            border-bottom: none;
        }
        .info-table tr:hover td {
            background: rgba(139, 92, 246, 0.05);
        }