*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #6a1b9a;
            --primary-light: #8e24aa;
            --primary-dark: #4a148c;
            --secondary: #ff6f00;
            --secondary-light: #ffa040;
            --bg: #fafafa;
            --bg-card: #ffffff;
            --text: #1a1a2e;
            --text-light: #555;
            --border: #e0e0e0;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --radius: 12px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover,
        a:focus-visible {
            color: var(--primary-light);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: #fff;
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.25);
        }
        .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: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: #fff !important;
            text-decoration: none !important;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .my-logo:hover {
            opacity: 0.9;
            transform: scale(1.02);
        }
        .my-logo i {
            color: var(--secondary-light);
            font-size: 2rem;
        }
        .my-logo span {
            background: linear-gradient(to right, #fff, #f3e5f5);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            font-size: 1.5rem;
            padding: 8px 12px;
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.15);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: rgba(255, 255, 255, 0.88);
            padding: 8px 16px;
            border-radius: 8px;
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            text-decoration: none !important;
            position: relative;
        }
        .main-nav a:hover,
        .main-nav a:focus-visible {
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
            transform: translateY(-1px);
        }
        .main-nav a.active {
            background: rgba(255, 255, 255, 0.22);
            color: #fff;
        }
        .main-nav a i {
            margin-right: 6px;
            font-size: 0.9rem;
        }
        .breadcrumb-wrap {
            background: #f0ecf4;
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px 10px;
            font-size: 0.85rem;
            color: var(--text-light);
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .breadcrumb li+li::before {
            content: "›";
            color: #999;
            font-size: 1.2rem;
            line-height: 1;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .current {
            color: var(--text-light);
            font-weight: 500;
        }
        .hero {
            background: linear-gradient(145deg, #f3e5f5, #ede7f6);
            padding: 40px 0 32px;
            border-bottom: 1px solid var(--border);
        }
        .hero-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .hero-text h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--primary-dark);
            margin-bottom: 16px;
        }
        .hero-text h1 i {
            color: var(--secondary);
            margin-right: 8px;
        }
        .hero-text p {
            font-size: 1.1rem;
            color: var(--text-light);
            max-width: 540px;
        }
        .hero-text .meta-line {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 24px;
            margin-top: 18px;
            font-size: 0.9rem;
            color: #666;
        }
        .hero-text .meta-line i {
            margin-right: 6px;
            color: var(--primary);
        }
        .hero-img {
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            background: #ddd;
        }
        .hero-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 220px;
        }
        .main-content {
            padding: 40px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .article-body h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin: 48px 0 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--primary-light);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .article-body h2 i {
            color: var(--secondary);
        }
        .article-body h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--primary);
            margin: 32px 0 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .article-body h3 i {
            color: var(--secondary);
            font-size: 1.3rem;
        }
        .article-body h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #333;
            margin: 24px 0 10px;
            padding-left: 12px;
            border-left: 4px solid var(--secondary);
        }
        .article-body p {
            margin-bottom: 18px;
            font-size: 1.05rem;
            color: #2a2a3a;
        }
        .article-body p.lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: #1a1a2e;
            background: #f5f0fa;
            padding: 20px 24px;
            border-radius: var(--radius);
            border-left: 5px solid var(--primary);
        }
        .article-body strong {
            font-weight: 700;
            color: #111;
        }
        .article-body ul,
        .article-body ol {
            margin: 12px 0 20px 24px;
            font-size: 1.05rem;
            color: #2a2a3a;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body .highlight-box {
            background: #f5f0fa;
            border-radius: var(--radius);
            padding: 20px 24px;
            margin: 20px 0;
            border-left: 5px solid var(--secondary);
        }
        .article-body .highlight-box h4 {
            margin-top: 0;
            border-left: none;
            padding-left: 0;
        }
        .article-body .inline-image {
            margin: 28px 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .article-body .inline-image img {
            width: 100%;
        }
        .article-body .inline-image figcaption {
            padding: 10px 16px;
            background: #f0ecf4;
            font-size: 0.9rem;
            color: #555;
            font-style: italic;
        }
        .sidebar {
            position: sticky;
            top: 90px;
            align-self: start;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 24px;
            margin-bottom: 24px;
            border: 1px solid var(--border);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i {
            color: var(--secondary);
        }
        .sidebar-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-links li {
            margin-bottom: 6px;
        }
        .sidebar-links a {
            display: block;
            padding: 8px 12px;
            border-radius: 6px;
            background: #f8f6fa;
            color: var(--text);
            font-size: 0.95rem;
            transition: var(--transition);
            text-decoration: none;
            border-left: 3px solid transparent;
        }
        .sidebar-links a:hover {
            background: #ede7f6;
            border-left-color: var(--primary);
            transform: translateX(4px);
        }
        .sidebar-links a i {
            margin-right: 8px;
            color: var(--primary-light);
            font-size: 0.85rem;
        }
        .search-form {
            display: flex;
            gap: 8px;
        }
        .search-form input {
            flex: 1;
            padding: 10px 16px;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-size: 0.95rem;
            transition: var(--transition);
            outline: none;
            background: #fff;
        }
        .search-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(106, 27, 154, 0.15);
        }
        .search-form button {
            padding: 10px 18px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .search-form button:hover {
            background: var(--primary-dark);
            transform: scale(1.03);
        }
        .rating-stars {
            display: flex;
            gap: 4px;
            font-size: 1.8rem;
            cursor: pointer;
            direction: rtl;
            justify-content: flex-end;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            color: #ddd;
            transition: var(--transition);
            cursor: pointer;
        }
        .rating-stars label:hover,
        .rating-stars label:hover~label,
        .rating-stars input:checked~label {
            color: #ffb300;
        }
        .rating-stars label i {
            font-size: 1.8rem;
        }
        .comment-form textarea {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-size: 0.95rem;
            font-family: var(--font);
            resize: vertical;
            min-height: 100px;
            transition: var(--transition);
            outline: none;
        }
        .comment-form textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(106, 27, 154, 0.15);
        }
        .comment-form .form-actions {
            display: flex;
            gap: 10px;
            margin-top: 10px;
            flex-wrap: wrap;
        }
        .comment-form .form-actions button {
            padding: 10px 24px;
            border: none;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .comment-form .form-actions .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .comment-form .form-actions .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
        }
        .comment-form .form-actions .btn-secondary {
            background: #f0ecf4;
            color: var(--text);
        }
        .comment-form .form-actions .btn-secondary:hover {
            background: #e0d6ea;
        }
        friend-link {
            display: block;
            padding: 32px 0 20px;
            border-top: 1px solid var(--border);
        }
        friend-link .fl-heading {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        friend-link .fl-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        friend-link .fl-list li a {
            padding: 6px 14px;
            background: #f0ecf4;
            border-radius: 20px;
            font-size: 0.9rem;
            color: var(--text);
            transition: var(--transition);
            text-decoration: none;
            display: inline-block;
        }
        friend-link .fl-list li a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 24px 0 32px;
            margin-top: 20px;
        }
        .site-footer .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        .site-footer .copyright {
            font-size: 0.9rem;
        }
        .site-footer .copyright strong {
            color: #fff;
        }
        .site-footer .footer-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.9rem;
            text-decoration: none;
        }
        .site-footer .footer-links a:hover {
            color: #fff;
            text-decoration: underline;
        }
        @media (max-width: 992px) {
            .hero-content {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hero-text p {
                max-width: 100%;
            }
            .hero-text .meta-line {
                justify-content: center;
            }
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .sidebar .sidebar-card {
                margin-bottom: 0;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                padding: 10px 16px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding-top: 12px;
                border-top: 1px solid rgba(255, 255, 255, 0.2);
                margin-top: 8px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 16px;
                width: 100%;
                border-radius: 6px;
            }
            .hero-text h1 {
                font-size: 1.8rem;
            }
            .article-body h2 {
                font-size: 1.6rem;
            }
            .article-body h3 {
                font-size: 1.3rem;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .site-footer .footer-inner {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .hero-text h1 {
                font-size: 1.5rem;
            }
            .article-body p {
                font-size: 0.98rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                justify-content: center;
            }
            .rating-stars label i {
                font-size: 1.5rem;
            }
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        .last-updated {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            color: #888;
            background: #f5f0fa;
            padding: 4px 14px;
            border-radius: 20px;
        }
        .last-updated i {
            color: var(--primary);
        }
        .toc-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .toc-list li {
            margin-bottom: 4px;
        }
        .toc-list a {
            display: block;
            padding: 6px 12px;
            border-radius: 6px;
            font-size: 0.92rem;
            color: var(--text);
            background: transparent;
            transition: var(--transition);
            text-decoration: none;
            border-left: 3px solid transparent;
        }
        .toc-list a:hover {
            background: #f0ecf4;
            border-left-color: var(--secondary);
        }
        .toc-list a i {
            margin-right: 6px;
            color: var(--primary-light);
            font-size: 0.75rem;
        }