* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #6a4e9c;
            --primary-light: #8b6fcb;
            --primary-dark: #4a2e7c;
            --accent: #f7b731;
            --accent-light: #fcd46b;
            --bg: #faf8f5;
            --card-bg: #ffffff;
            --text: #1e1b2e;
            --text-light: #5a5570;
            --border: #e8e3f0;
            --shadow: 0 8px 28px rgba(106, 78, 156, 0.10);
            --radius: 16px;
            --radius-sm: 8px;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1120px;
            --header-height: 72px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: var(--primary-light);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            height: var(--header-height);
            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%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .my-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary-dark);
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            -webkit-text-fill-color: var(--accent);
            font-size: 1.6rem;
        }
        .my-logo:hover {
            opacity: 0.85;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
            z-index: 110;
        }
        .hamburger span {
            width: 26px;
            height: 3px;
            background: var(--primary-dark);
            border-radius: 4px;
            transition: all 0.3s;
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 6px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -6px);
        }
        nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        nav a {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-light);
            letter-spacing: 0.02em;
            position: relative;
            padding-bottom: 4px;
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width 0.25s;
        }
        nav a:hover::after {
            width: 100%;
        }
        nav a:hover {
            color: var(--primary);
        }
        .breadcrumb {
            background: transparent;
            padding: 14px 0 6px;
            font-size: 0.82rem;
            color: var(--text-light);
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            align-items: center;
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb span {
            color: var(--text-light);
        }
        .breadcrumb .sep {
            margin: 0 4px;
            color: #bbb;
        }
        .hero {
            padding: 40px 0 30px;
        }
        .hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--primary-dark);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .hero .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            color: var(--text-light);
            font-size: 0.92rem;
            align-items: center;
        }
        .hero .meta i {
            margin-right: 5px;
            color: var(--primary-light);
        }
        .last-updated {
            background: var(--accent-light);
            padding: 2px 12px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.8rem;
            color: var(--primary-dark);
        }
        .content-wrap {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 48px;
            padding: 20px 0 60px;
        }
        .main-article h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-top: 48px;
            margin-bottom: 16px;
            padding-bottom: 8px;
            border-bottom: 3px solid var(--accent);
            display: inline-block;
        }
        .main-article h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            margin-top: 32px;
            margin-bottom: 10px;
        }
        .main-article h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-top: 24px;
            margin-bottom: 8px;
        }
        .main-article p {
            margin-bottom: 18px;
            color: var(--text);
        }
        .main-article p strong {
            color: var(--primary-dark);
        }
        .main-article ul,
        .main-article ol {
            margin: 12px 0 22px 22px;
        }
        .main-article li {
            margin-bottom: 8px;
        }
        .highlight-box {
            background: linear-gradient(135deg, #f3edff, #fff7e6);
            border-left: 5px solid var(--accent);
            padding: 20px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 24px 0;
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin: 24px 0;
        }
        .feature-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 22px 18px;
            box-shadow: var(--shadow);
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 14px 34px rgba(106, 78, 156, 0.13);
        }
        .feature-card i {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 10px;
        }
        .feature-card h4 {
            margin-top: 0;
            margin-bottom: 6px;
        }
        .feature-card p {
            font-size: 0.92rem;
            margin-bottom: 0;
            color: var(--text-light);
        }
        .image-wrapper {
            margin: 28px 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            background: var(--card-bg);
        }
        .image-wrapper img {
            width: 100%;
            display: block;
        }
        .image-wrapper figcaption {
            padding: 10px 16px;
            font-size: 0.85rem;
            color: var(--text-light);
            background: var(--card-bg);
            border-top: 1px solid var(--border);
        }
        .sidebar {
            position: sticky;
            top: calc(var(--header-height) + 24px);
            align-self: start;
        }
        .sidebar-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 22px 20px;
            margin-bottom: 24px;
            box-shadow: var(--shadow);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i {
            color: var(--accent);
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card ul li {
            padding: 6px 0;
            border-bottom: 1px solid var(--border);
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            font-weight: 500;
        }
        .search-form {
            display: flex;
            gap: 6px;
        }
        .search-form input {
            flex: 1;
            padding: 10px 14px;
            border: 2px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            outline: none;
            transition: border-color 0.2s;
            background: var(--bg);
        }
        .search-form input:focus {
            border-color: var(--primary-light);
        }
        .search-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            font-size: 0.9rem;
            transition: background 0.2s;
        }
        .search-form button:hover {
            background: var(--primary-dark);
        }
        .rating-stars {
            display: flex;
            gap: 6px;
            margin: 8px 0 12px;
            font-size: 1.5rem;
            cursor: pointer;
            color: #ddd;
        }
        .rating-stars i.active {
            color: var(--accent);
        }
        .rating-stars i:hover {
            color: var(--accent-light);
        }
        .rating-form button,
        .comment-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            font-weight: 600;
            font-size: 0.9rem;
            transition: background 0.2s;
            margin-top: 6px;
        }
        .rating-form button:hover,
        .comment-form button:hover {
            background: var(--primary-dark);
        }
        .comment-form textarea {
            width: 100%;
            padding: 12px 14px;
            border: 2px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-family: var(--font);
            resize: vertical;
            min-height: 80px;
            outline: none;
            background: var(--bg);
            transition: border-color 0.2s;
            margin-bottom: 8px;
        }
        .comment-form textarea:focus {
            border-color: var(--primary-light);
        }
        .comment-form input {
            width: 100%;
            padding: 10px 14px;
            border: 2px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            outline: none;
            background: var(--bg);
            transition: border-color 0.2s;
            margin-bottom: 8px;
        }
        .comment-form input:focus {
            border-color: var(--primary-light);
        }
        friend-link {
            display: block;
            padding: 28px 0 12px;
            border-top: 1px solid var(--border);
            margin-top: 32px;
        }
        friend-link .fl-head {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--primary-dark);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        friend-link .fl-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 18px;
        }
        friend-link .fl-list a {
            font-size: 0.9rem;
            color: var(--primary);
            font-weight: 500;
        }
        friend-link .fl-list a:hover {
            text-decoration: underline;
        }
        footer {
            background: var(--card-bg);
            border-top: 1px solid var(--border);
            padding: 28px 0 32px;
            margin-top: 20px;
        }
        footer .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        footer .copy {
            font-size: 0.85rem;
            color: var(--text-light);
        }
        footer .copy strong {
            color: var(--primary-dark);
        }
        @media (max-width: 960px) {
            .content-wrap {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .sidebar .sidebar-card:last-child {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: var(--card-bg);
                flex-direction: column;
                padding: 80px 28px 28px;
                box-shadow: -8px 0 30px rgba(0, 0, 0, 0.08);
                transition: right 0.35s ease;
                gap: 20px;
                align-items: flex-start;
                border-left: 1px solid var(--border);
                z-index: 105;
            }
            nav.open {
                right: 0;
            }
            nav a {
                font-size: 1rem;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .feature-grid {
                grid-template-columns: 1fr 1fr;
            }
            .header-inner {
                padding: 0 16px;
            }
            .my-logo {
                font-size: 1.2rem;
            }
        }
        @media (max-width: 480px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .breadcrumb {
                font-size: 0.75rem;
            }
            .rating-stars {
                font-size: 1.3rem;
            }
        }
        .nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.25);
            z-index: 100;
        }
        .nav-overlay.show {
            display: block;
        }
        .main-article h2,
        .main-article h3,
        .main-article h4 {
            scroll-margin-top: calc(var(--header-height) + 16px);
        }
