*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #6c3fc5;
            --primary-dark: #4a2899;
            --secondary: #f9a826;
            --accent: #ff6b6b;
            --bg: #faf8ff;
            --bg-card: #ffffff;
            --text: #1e1a2e;
            --text-light: #5a5470;
            --border: #e0daf0;
            --radius: 16px;
            --shadow: 0 8px 30px rgba(108, 63, 197, 0.10);
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-w: 1200px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 1.0625rem;
        }
        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-w);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: var(--bg-card);
            border-bottom: 2px solid var(--border);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo i {
            -webkit-text-fill-color: var(--secondary);
            font-size: 1.8rem;
        }
        .my-logo:hover {
            opacity: 0.85;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: var(--primary);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: var(--border);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .nav-menu a {
            padding: 8px 16px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-light);
            transition: all 0.2s;
        }
        .nav-menu a:hover,
        .nav-menu a.active {
            background: var(--primary);
            color: #fff;
        }
        .breadcrumb {
            background: var(--bg-card);
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
        }
        .breadcrumb li+li::before {
            content: "▸";
            margin-right: 10px;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }
        .hero {
            padding: 40px 0 32px;
            text-align: center;
            background: linear-gradient(180deg, var(--bg) 0%, #f0eaff 100%);
        }
        .hero h1 {
            font-size: clamp(2.2rem, 6vw, 3.8rem);
            font-weight: 900;
            letter-spacing: -1px;
            line-height: 1.15;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 12px;
        }
        .hero p {
            font-size: 1.2rem;
            color: var(--text-light);
            max-width: 720px;
            margin: 0 auto 20px;
        }
        .hero-meta {
            display: flex;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
            font-size: 0.95rem;
            color: var(--text-light);
        }
        .hero-meta span i {
            margin-right: 6px;
            color: var(--secondary);
        }
        .search-section {
            background: var(--bg-card);
            padding: 24px 0;
            border-bottom: 1px solid var(--border);
        }
        .search-form {
            display: flex;
            gap: 12px;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-form input {
            flex: 1;
            padding: 14px 20px;
            border: 2px solid var(--border);
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
            background: var(--bg);
        }
        .search-form input:focus {
            border-color: var(--primary);
        }
        .search-form button {
            padding: 14px 28px;
            border: none;
            border-radius: 40px;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.15s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover {
            background: var(--primary-dark);
            transform: scale(1.02);
        }
        main {
            padding: 32px 0 48px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media(max-width:900px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-body h2 {
            font-size: 2rem;
            font-weight: 800;
            margin: 48px 0 16px;
            padding-bottom: 8px;
            border-bottom: 4px solid var(--secondary);
            color: var(--primary-dark);
        }
        .article-body h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 32px 0 12px;
            color: var(--primary);
        }
        .article-body h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin: 24px 0 8px;
            color: var(--text-light);
        }
        .article-body p {
            margin-bottom: 18px;
            color: var(--text);
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 20px 24px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body .highlight-box {
            background: linear-gradient(135deg, #f0eaff, #fff6e0);
            border-left: 6px solid var(--secondary);
            padding: 20px 24px;
            border-radius: 12px;
            margin: 28px 0;
        }
        .article-body .highlight-box strong {
            color: var(--primary-dark);
        }
        .article-body .insight-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px 24px;
            margin: 24px 0;
            box-shadow: var(--shadow);
        }
        .article-body .insight-card i {
            color: var(--secondary);
            margin-right: 8px;
        }
        .featured-image-wrap {
            margin: 32px 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .featured-image-wrap img {
            width: 100%;
            object-fit: cover;
            aspect-ratio: 16/9;
        }
        .featured-image-wrap figcaption {
            padding: 12px 16px;
            background: var(--bg-card);
            font-size: 0.9rem;
            color: var(--text-light);
            border-top: 1px solid var(--border);
        }
        .sidebar {
            position: sticky;
            top: 110px;
            align-self: start;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 20px;
            margin-bottom: 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .sidebar-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-link-list {
            list-style: none;
            padding: 0;
        }
        .sidebar-link-list li {
            padding: 6px 0;
            border-bottom: 1px solid var(--border);
        }
        .sidebar-link-list li:last-child {
            border-bottom: none;
        }
        .sidebar-link-list a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 500;
        }
        .sidebar-link-list a i {
            color: var(--secondary);
            font-size: 0.8rem;
        }
        .rating-area,
        .comment-area {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 24px 28px;
            margin: 32px 0;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .rating-area h3,
        .comment-area h3 {
            font-size: 1.4rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
            color: var(--primary-dark);
        }
        .star-rating {
            display: flex;
            gap: 8px;
            font-size: 2rem;
            cursor: pointer;
            color: #ddd;
            transition: color 0.2s;
            margin-bottom: 12px;
        }
        .star-rating i.active,
        .star-rating i:hover,
        .star-rating i:hover~i {
            color: var(--secondary);
        }
        .star-rating i {
            transition: color 0.15s;
        }
        .rating-form textarea,
        .comment-form textarea {
            width: 100%;
            padding: 14px 18px;
            border: 2px solid var(--border);
            border-radius: 12px;
            font-size: 1rem;
            font-family: var(--font);
            resize: vertical;
            min-height: 100px;
            outline: none;
            transition: border 0.3s;
            background: var(--bg);
        }
        .rating-form textarea:focus,
        .comment-form textarea:focus {
            border-color: var(--primary);
        }
        .rating-form .form-row,
        .comment-form .form-row {
            display: flex;
            gap: 12px;
            margin-top: 12px;
            flex-wrap: wrap;
        }
        .rating-form input,
        .comment-form input {
            flex: 1;
            min-width: 180px;
            padding: 12px 18px;
            border: 2px solid var(--border);
            border-radius: 40px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
            background: var(--bg);
        }
        .rating-form input:focus,
        .comment-form input:focus {
            border-color: var(--primary);
        }
        .btn-primary {
            padding: 12px 32px;
            border: none;
            border-radius: 40px;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: scale(1.02);
        }
        footer {
            background: var(--text);
            color: #ddd;
            padding: 40px 0 20px;
            border-top: 4px solid var(--secondary);
        }
        footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
        }
        @media(max-width:700px) {
            footer .container {
                grid-template-columns: 1fr;
            }
        }
        footer h4 {
            color: #fff;
            font-size: 1.2rem;
            margin-bottom: 12px;
        }
        footer a {
            color: #bbb;
        }
        footer a:hover {
            color: var(--secondary);
        }
        .friend-link {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            list-style: none;
            padding: 0;
        }
        .friend-link li a {
            font-weight: 500;
            padding: 4px 0;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .friend-link li a::before {
            content: "▸";
            color: var(--secondary);
        }
        .copyright {
            grid-column: 1/-1;
            border-top: 1px solid #333;
            padding-top: 20px;
            margin-top: 16px;
            text-align: center;
            font-size: 0.9rem;
            color: #888;
        }
        @media(max-width:768px) {
            .nav-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 12px 0 4px;
                gap: 4px;
            }
            .nav-menu.show {
                display: flex;
            }
            .nav-menu a {
                padding: 10px 16px;
                border-radius: 8px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                justify-content: center;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .article-body h2 {
                font-size: 1.6rem;
            }
            .article-body h3 {
                font-size: 1.25rem;
            }
            .sidebar {
                position: static;
            }
            .rating-area,
            .comment-area {
                padding: 16px;
            }
            .star-rating {
                font-size: 1.6rem;
            }
        }
        @media(max-width:480px) {
            .container {
                padding: 0 12px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .breadcrumb ol {
                font-size: 0.8rem;
                gap: 4px 8px;
            }
            .article-body {
                font-size: 0.98rem;
            }
        }
        .schema-hidden {
            display: none;
        }
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: var(--primary);
            color: #fff;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            box-shadow: 0 4px 16px rgba(108, 63, 197, 0.3);
            cursor: pointer;
            border: none;
            transition: all 0.3s;
            opacity: 0;
            visibility: hidden;
            z-index: 99;
        }
        .scroll-top.show {
            opacity: 1;
            visibility: visible;
        }
        .scroll-top:hover {
            background: var(--primary-dark);
            transform: translateY(-4px);
        }