*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #2a1e5c;
            --primary-light: #4a3a7c;
            --secondary: #f0a500;
            --accent: #e85d75;
            --bg: #f8f7fc;
            --card-bg: #ffffff;
            --text: #1a1a2e;
            --text-light: #4a4a6a;
            --border: #dcd8ec;
            --radius: 16px;
            --shadow: 0 8px 32px rgba(42, 30, 92, 0.10);
            --font: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            --max-width: 1200px;
            --header-h: 72px;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: var(--secondary);
        }
        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: var(--card-bg);
            border-bottom: 2px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            height: var(--header-h);
            display: flex;
            align-items: center;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 20px;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .my-logo i {
            color: var(--secondary);
            font-size: 1.4rem;
        }
        .my-logo:hover {
            color: var(--primary-light);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid var(--primary);
            color: var(--primary);
            font-size: 1.4rem;
            padding: 6px 12px;
            border-radius: 8px;
            cursor: pointer;
            transition: 0.2s;
        }
        .nav-toggle:hover {
            background: var(--primary);
            color: #fff;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .main-nav a {
            padding: 8px 16px;
            border-radius: 40px;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text-light);
            transition: 0.2s;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: var(--primary);
            color: #fff;
        }
        .main-nav a i {
            margin-right: 6px;
            font-size: 0.8rem;
        }
        .breadcrumb {
            padding: 14px 0 6px;
            font-size: 0.85rem;
            color: var(--text-light);
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            align-items: center;
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: var(--text-light);
        }
        .breadcrumb .sep {
            margin: 0 4px;
            color: #b0a8c8;
        }
        .hero {
            background: linear-gradient(135deg, var(--primary) 0%, #3d2a7a 100%);
            color: #fff;
            padding: 60px 0 50px;
            border-radius: 0 0 var(--radius) var(--radius);
            margin-bottom: 40px;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }
        .hero p {
            font-size: 1.15rem;
            opacity: 0.9;
            max-width: 720px;
            margin-bottom: 24px;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px 32px;
            font-size: 0.95rem;
            opacity: 0.85;
        }
        .hero-meta i {
            margin-right: 6px;
            color: var(--secondary);
        }
        .last-updated {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.12);
            padding: 4px 16px;
            border-radius: 40px;
            font-size: 0.85rem;
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding-bottom: 60px;
        }
        .content-area {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: calc(var(--header-h) + 24px);
            align-self: start;
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        @media (max-width: 920px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: 2;
            }
            .content-area {
                order: 1;
            }
        }
        .widget {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .widget h3 {
            font-size: 1.1rem;
            margin-bottom: 14px;
            color: var(--primary);
            border-bottom: 2px solid var(--border);
            padding-bottom: 10px;
        }
        .widget ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .widget li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 12px;
            border-radius: 10px;
            background: var(--bg);
            font-size: 0.9rem;
            transition: 0.2s;
        }
        .widget li a:hover {
            background: var(--primary);
            color: #fff;
        }
        .widget li a i {
            width: 20px;
            color: var(--secondary);
        }
        .content-area h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            margin: 48px 0 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--secondary);
            display: inline-block;
        }
        .content-area h3 {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--primary-light);
            margin: 32px 0 14px;
        }
        .content-area h4 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text);
            margin: 24px 0 10px;
        }
        .content-area p {
            margin-bottom: 18px;
            color: var(--text-light);
        }
        .content-area p strong {
            color: var(--text);
            font-weight: 600;
        }
        .content-area ul,
        .content-area ol {
            margin: 0 0 20px 24px;
            color: var(--text-light);
        }
        .content-area li {
            margin-bottom: 8px;
        }
        .content-area blockquote {
            border-left: 4px solid var(--secondary);
            padding: 16px 24px;
            margin: 24px 0;
            background: rgba(240, 165, 0, 0.06);
            border-radius: 0 var(--radius) var(--radius) 0;
            font-style: italic;
            color: var(--text);
        }
        .content-area blockquote cite {
            display: block;
            margin-top: 8px;
            font-style: normal;
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .feature-box {
            background: linear-gradient(135deg, #f0edff, #fff);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 32px;
            margin: 28px 0;
            box-shadow: var(--shadow);
        }
        .feature-box h4 {
            margin-top: 0;
        }
        .insight-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 24px;
            margin: 20px 0;
            border-left: 6px solid var(--accent);
            box-shadow: var(--shadow);
        }
        .insight-card h4 {
            color: var(--accent);
            margin-top: 0;
        }
        .content-img {
            margin: 32px 0;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
        }
        .content-img img {
            width: 100%;
            object-fit: cover;
        }
        .content-img figcaption {
            padding: 12px 16px;
            font-size: 0.85rem;
            color: var(--text-light);
            background: var(--card-bg);
            border-top: 1px solid var(--border);
            text-align: center;
        }
        .interactive-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin: 48px 0 32px;
        }
        .interactive-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .interactive-card h3 {
            margin: 0 0 16px;
            font-size: 1.2rem;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .interactive-card h3 i {
            color: var(--secondary);
        }
        .search-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 160px;
            padding: 12px 18px;
            border: 2px solid var(--border);
            border-radius: 40px;
            font-size: 0.95rem;
            outline: none;
            transition: 0.2s;
        }
        .search-form input:focus {
            border-color: var(--primary);
        }
        .search-form button {
            padding: 12px 28px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: var(--primary-light);
            transform: scale(1.02);
        }
        .comment-form textarea {
            width: 100%;
            padding: 14px 18px;
            border: 2px solid var(--border);
            border-radius: 16px;
            font-size: 0.95rem;
            font-family: var(--font);
            resize: vertical;
            min-height: 90px;
            outline: none;
            transition: 0.2s;
        }
        .comment-form textarea:focus {
            border-color: var(--primary);
        }
        .comment-form .row {
            display: flex;
            gap: 12px;
            margin-top: 12px;
            flex-wrap: wrap;
        }
        .comment-form input {
            flex: 1;
            min-width: 140px;
            padding: 12px 18px;
            border: 2px solid var(--border);
            border-radius: 40px;
            font-size: 0.95rem;
            outline: none;
            transition: 0.2s;
        }
        .comment-form input:focus {
            border-color: var(--primary);
        }
        .comment-form button {
            padding: 12px 28px;
            background: var(--secondary);
            color: var(--primary);
            border: none;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
        }
        .comment-form button:hover {
            background: #e09500;
            transform: scale(1.02);
        }
        .score-stars {
            display: flex;
            gap: 6px;
            margin: 12px 0 16px;
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
        }
        .score-stars i {
            transition: 0.2s;
        }
        .score-stars i.active,
        .score-stars i:hover {
            color: var(--secondary);
        }
        .score-stars i:hover~i {
            color: #ddd;
        }
        .score-form button {
            padding: 12px 32px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
        }
        .score-form button:hover {
            background: #d04a62;
            transform: scale(1.02);
        }
        @media (max-width: 700px) {
            .interactive-section {
                grid-template-columns: 1fr;
            }
        }
        .site-footer {
            background: var(--primary);
            color: #e0d8f0;
            padding: 48px 0 32px;
            margin-top: auto;
            border-top: 4px solid var(--secondary);
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-inner h4 {
            color: #fff;
            font-size: 1.05rem;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-inner p {
            font-size: 0.9rem;
            line-height: 1.6;
            opacity: 0.85;
        }
        .footer-inner ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-inner a {
            color: #c8b8e8;
            font-size: 0.9rem;
            transition: 0.2s;
        }
        .footer-inner a:hover {
            color: var(--secondary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.85rem;
            opacity: 0.8;
        }
        friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 24px;
            padding: 16px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 16px;
            font-size: 0.9rem;
        }
        friend-link a {
            color: #c8b8e8;
        }
        friend-link a:hover {
            color: var(--secondary);
        }
        @media (max-width: 700px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: var(--card-bg);
                flex-direction: column;
                padding: 16px 20px;
                border-bottom: 2px solid var(--border);
                box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 16px;
                border-radius: 12px;
                width: 100%;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .content-area h2 {
                font-size: 1.6rem;
            }
            .content-area h3 {
                font-size: 1.2rem;
            }
        }
        @media (max-width: 480px) {
            .hero {
                padding: 40px 0 30px;
            }
            .hero h1 {
                font-size: 1.6rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .container {
                padding: 0 14px;
            }
        }
        .emoji-lg {
            font-size: 1.3em;
            margin-right: 4px;
        }
        .highlight {
            background: linear-gradient(120deg, rgba(240, 165, 0, 0.18), rgba(240, 165, 0, 0.04));
            padding: 0 6px;
            border-radius: 4px;
        }
        .toc {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 24px 28px;
            margin: 24px 0 32px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .toc h3 {
            margin: 0 0 12px;
        }
        .toc ul {
            list-style: none;
            margin: 0;
            columns: 2 220px;
            column-gap: 24px;
        }
        .toc li {
            margin-bottom: 6px;
            break-inside: avoid;
        }
        .toc a {
            display: block;
            padding: 4px 0;
            font-size: 0.95rem;
        }
        .toc a:hover {
            color: var(--secondary);
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 16px;
            margin: 24px 0;
        }
        .stat-item {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 20px 16px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .stat-item .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            display: block;
        }
        .stat-item .label {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-top: 4px;
        }