* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #2a2a72;
            --primary-light: #4a4a9f;
            --secondary: #ff7b00;
            --accent: #00c9a7;
            --bg: #f8f9fe;
            --card-bg: #ffffff;
            --text: #1a1a2e;
            --text-light: #555;
            --border: #e0e0e0;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            --radius: 16px;
            --radius-sm: 10px;
            --max-width: 1200px;
            --font: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
            --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            padding: 0 16px;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 16px;
        }
        header {
            background: var(--card-bg);
            border-radius: 0 0 var(--radius) var(--radius);
            box-shadow: var(--shadow);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(12px);
            background: rgba(255, 255, 255, 0.94);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px 20px;
        }
        .my-logo {
            font-size: 1.7rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: var(--secondary);
            font-size: 1.4rem;
        }
        .my-logo small {
            font-size: 0.6rem;
            -webkit-text-fill-color: initial;
            color: var(--text-light);
            font-weight: 400;
            display: block;
            letter-spacing: 0.3px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 2px solid var(--border);
            font-size: 1.6rem;
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            color: var(--primary);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            border-color: var(--primary);
            background: var(--bg);
        }
        nav {
            display: flex;
            align-items: center;
            gap: 8px 20px;
            flex-wrap: wrap;
        }
        nav a {
            font-weight: 600;
            font-size: 0.92rem;
            padding: 6px 10px;
            border-radius: 8px;
            transition: var(--transition);
            color: var(--text);
        }
        nav a:hover {
            background: var(--bg);
            color: var(--primary);
        }
        nav a i {
            margin-right: 5px;
            font-size: 0.85rem;
            color: var(--secondary);
        }
        .breadcrumb {
            padding: 14px 0 6px;
            font-size: 0.85rem;
            color: var(--text-light);
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb a {
            color: var(--primary-light);
        }
        .breadcrumb a::after {
            content: "›";
            margin-left: 6px;
            color: var(--text-light);
        }
        .breadcrumb span {
            color: var(--text);
            font-weight: 500;
        }
        main {
            padding: 24px 0 48px;
        }
        .article-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin-top: 16px;
        }
        @media (max-width: 960px) {
            .article-wrapper {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        article {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 32px 28px;
            box-shadow: var(--shadow);
        }
        article h1 {
            font-size: 2.4rem;
            line-height: 1.25;
            margin-bottom: 12px;
            color: var(--primary);
        }
        .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            font-size: 0.9rem;
            color: var(--text-light);
            border-bottom: 1px solid var(--border);
            padding-bottom: 16px;
            margin-bottom: 24px;
        }
        .meta i {
            margin-right: 5px;
            color: var(--secondary);
        }
        .meta .last-updated {
            font-weight: 600;
            color: var(--text);
        }
        article h2 {
            font-size: 1.8rem;
            margin: 40px 0 16px;
            color: var(--primary);
            border-left: 5px solid var(--secondary);
            padding-left: 16px;
        }
        article h3 {
            font-size: 1.4rem;
            margin: 28px 0 12px;
            color: var(--primary-light);
        }
        article h4 {
            font-size: 1.15rem;
            margin: 20px 0 8px;
            color: var(--text);
            font-weight: 700;
        }
        article p {
            margin-bottom: 18px;
            font-size: 1.02rem;
        }
        article ul,
        article ol {
            margin: 0 0 20px 28px;
        }
        article li {
            margin-bottom: 8px;
        }
        .featured-img {
            margin: 24px 0 28px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--bg);
        }
        .featured-img img {
            width: 100%;
            object-fit: cover;
            max-height: 480px;
        }
        .featured-img figcaption {
            padding: 10px 16px;
            font-size: 0.85rem;
            color: var(--text-light);
            background: var(--bg);
            font-style: italic;
        }
        .highlight-box {
            background: linear-gradient(135deg, #f0f4ff, #e8f8f5);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            margin: 24px 0;
            border-left: 4px solid var(--accent);
        }
        .highlight-box strong {
            color: var(--primary);
        }
        .tip-box {
            background: #fff8e1;
            border-radius: var(--radius-sm);
            padding: 18px 22px;
            margin: 24px 0;
            border-left: 4px solid var(--secondary);
        }
        .tip-box i {
            color: var(--secondary);
            margin-right: 8px;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 24px 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
        th,
        td {
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid var(--border);
        }
        th {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background: #f6f8fc;
        }
        tr:hover {
            background: #eef2ff;
        }
        .link-list-inline {
            display: inline-flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            background: var(--bg);
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            margin: 16px 0;
            font-size: 0.9rem;
        }
        .link-list-inline a {
            font-weight: 600;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 22px 20px;
            box-shadow: var(--shadow);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            margin-bottom: 14px;
            color: var(--primary);
            border-bottom: 2px solid var(--secondary);
            padding-bottom: 8px;
        }
        .sidebar-card ul {
            list-style: none;
        }
        .sidebar-card ul li {
            margin-bottom: 10px;
        }
        .sidebar-card ul li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 6px 0;
            font-weight: 500;
            border-bottom: 1px solid var(--border);
        }
        .sidebar-card ul li a i {
            color: var(--secondary);
            width: 20px;
            text-align: center;
        }
        .search-form {
            display: flex;
            gap: 8px;
            margin: 8px 0;
        }
        .search-form input {
            flex: 1;
            padding: 10px 16px;
            border: 2px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            transition: var(--transition);
            outline: none;
            background: var(--bg);
        }
        .search-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(42, 42, 114, 0.12);
        }
        .search-form button {
            padding: 10px 20px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            font-size: 0.95rem;
        }
        .search-form button:hover {
            background: var(--primary-light);
            transform: scale(1.02);
        }
        .comment-section,
        .rating-section {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 28px 28px 32px;
            box-shadow: var(--shadow);
            margin-top: 36px;
        }
        .comment-section h2,
        .rating-section h2 {
            font-size: 1.6rem;
            margin-bottom: 16px;
            color: var(--primary);
            border-left: 4px solid var(--secondary);
            padding-left: 14px;
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-family: var(--font);
            transition: var(--transition);
            outline: none;
            background: var(--bg);
            margin-bottom: 12px;
        }
        .comment-form textarea:focus,
        .comment-form input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(42, 42, 114, 0.1);
        }
        .comment-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .comment-form .form-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .comment-form .form-row input {
            flex: 1;
            min-width: 180px;
        }
        .comment-form button {
            padding: 12px 32px;
            background: var(--secondary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .comment-form button:hover {
            background: #e06e00;
            transform: translateY(-2px);
        }
        .rating-stars {
            display: flex;
            gap: 8px;
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            margin: 12px 0 16px;
            flex-wrap: wrap;
        }
        .rating-stars i {
            transition: var(--transition);
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: var(--secondary);
            transform: scale(1.12);
        }
        .rating-section .score-submit {
            padding: 10px 28px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            font-size: 0.95rem;
        }
        .rating-section .score-submit:hover {
            background: #00b394;
            transform: translateY(-2px);
        }
        .rating-display {
            margin-top: 12px;
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text);
        }
        footer {
            background: var(--card-bg);
            border-radius: var(--radius) var(--radius) 0 0;
            box-shadow: var(--shadow);
            padding: 32px 0 28px;
            margin-top: 32px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
        }
        @media (max-width: 740px) {
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 480px) {
            .footer-inner {
                grid-template-columns: 1fr;
            }
        }
        .footer-inner h4 {
            font-size: 1.1rem;
            margin-bottom: 12px;
            color: var(--primary);
        }
        .footer-inner p,
        .footer-inner a {
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .footer-inner a:hover {
            color: var(--secondary);
        }
        friend-link {
            display: block;
            margin-top: 6px;
        }
        friend-link a {
            display: inline-block;
            margin: 0 8px 6px 0;
            padding: 4px 10px;
            background: var(--bg);
            border-radius: 6px;
            font-size: 0.85rem;
            font-weight: 500;
        }
        friend-link a:hover {
            background: var(--primary);
            color: #fff;
        }
        .copyright {
            grid-column: 1 / -1;
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            margin-top: 16px;
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .copyright strong {
            color: var(--text);
        }
        @media (max-width: 720px) {
            .nav-toggle {
                display: block;
            }
            nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 12px 0 4px;
            }
            nav.show {
                display: flex;
            }
            nav a {
                padding: 10px 12px;
                border-radius: 6px;
            }
            article {
                padding: 20px 16px;
            }
            article h1 {
                font-size: 1.8rem;
            }
            article h2 {
                font-size: 1.4rem;
            }
            article h3 {
                font-size: 1.2rem;
            }
            .sidebar {
                order: 2;
            }
            .comment-section,
            .rating-section {
                padding: 20px 16px;
            }
        }
        @media (max-width: 420px) {
            .header-inner {
                flex-wrap: wrap;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .meta {
                font-size: 0.8rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
            }
            .rating-stars {
                font-size: 1.6rem;
            }
        }
        .text-secondary {
            color: var(--secondary);
        }
        .fw-700 {
            font-weight: 700;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mb-8 {
            margin-bottom: 8px;
        }
        .emoji-big {
            font-size: 1.4rem;
        }
        .schema-hidden {
            display: none;
        }
        .rating-stars i.selected {
            color: var(--secondary);
        }