* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #f9f7ff 0%, #f0edfc 100%);
            min-height: 100vh;
        }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4 { font-family: 'Georgia', serif; color: #2a1b5f; margin-bottom: 1rem; line-height: 1.3; }
        h1 { font-size: 2.8rem; border-bottom: 4px solid #ff9e00; padding-bottom: 0.5rem; }
        h2 { font-size: 2.2rem; color: #3a2a7c; margin-top: 2.5rem; }
        h3 { font-size: 1.8rem; color: #4f3ca5; }
        h4 { font-size: 1.4rem; color: #6655bb; }
        p { margin-bottom: 1.5rem; font-size: 1.1rem; }
        a { color: #4a35a5; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #ff9e00; text-decoration: underline; }
        strong { color: #2a1b5f; }
        em { color: #666; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .main-content { display: grid; grid-template-columns: 1fr 300px; gap: 40px; margin: 30px 0; }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        .site-header {
            background: linear-gradient(90deg, #2a1b5f 0%, #4a35a5 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(42, 27, 95, 0.2);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(to right, #ff9e00, #ffcc00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-decoration: none;
        }
        .my-logo:hover { text-decoration: none; }
        .nav-desktop { display: flex; gap: 2rem; }
        .nav-desktop a {
            color: #e0d9ff;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-desktop a:hover { color: #ffcc00; }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: #ffcc00;
            transition: width 0.3s;
        }
        .nav-desktop a:hover::after { width: 100%; }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: #3a2a7c;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            box-shadow: 0 10px 15px rgba(0,0,0,0.1);
        }
        .nav-mobile.active { display: flex; }
        .nav-mobile a {
            color: #e0d9ff;
            padding: 0.8rem 1rem;
            border-bottom: 1px solid #4f3ca5;
        }
        .nav-mobile a:last-child { border-bottom: none; }
        .breadcrumb {
            background: #f0edfc;
            padding: 1rem;
            border-radius: 8px;
            margin: 1rem 0;
            font-size: 0.95rem;
        }
        .breadcrumb a { color: #4a35a5; }
        .breadcrumb span { color: #777; }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
        }
        .intro-box {
            background: linear-gradient(120deg, #f0f4ff, #e8f4ff);
            border-left: 6px solid #4a35a5;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
        }
        .highlight {
            background: #fff9e6;
            padding: 1.5rem;
            border-radius: 10px;
            border: 2px dashed #ffcc00;
            margin: 2rem 0;
        }
        .featured-img {
            width: 100%;
            border-radius: 12px;
            margin: 2rem auto;
            border: 3px solid #e0d9ff;
            box-shadow: 0 8px 20px rgba(74, 53, 165, 0.15);
        }
        .sidebar {
            background: white;
            padding: 2rem;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .widget {
            margin-bottom: 2.5rem;
        }
        .widget h3 {
            background: #4a35a5;
            color: white;
            padding: 0.8rem 1rem;
            border-radius: 8px 8px 0 0;
            margin-bottom: 0;
        }
        .widget-content { padding: 1.5rem; border: 2px solid #f0edfc; border-top: none; border-radius: 0 0 8px 8px; }
        .search-form { display: flex; }
        .search-input {
            flex-grow: 1;
            padding: 0.9rem;
            border: 2px solid #4a35a5;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
        }
        .search-btn {
            background: #4a35a5;
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-btn:hover { background: #3a2a7c; }
        .rating-widget .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
            font-size: 2rem;
            color: #ddd;
        }
        .rating-widget .stars .selected { color: #ffcc00; }
        .rating-widget .stars i { cursor: pointer; transition: color 0.2s; }
        .submit-btn {
            background: linear-gradient(90deg, #ff9e00, #ffcc00);
            color: #2a1b5f;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            display: block;
            margin: 1rem auto;
            transition: transform 0.3s;
        }
        .submit-btn:hover { transform: scale(1.05); }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #e0d9ff;
            border-radius: 8px;
            font-family: inherit;
            margin-bottom: 1rem;
            resize: vertical;
        }
        .site-footer {
            background: #2a1b5f;
            color: #e0d9ff;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 { color: #ffcc00; border-bottom: 2px solid #4a35a5; padding-bottom: 0.5rem; }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            list-style: none;
        }
        .friend-links a {
            color: #e0d9ff;
            background: rgba(255, 255, 255, 0.1);
            padding: 0.5rem 1rem;
            border-radius: 6px;
            display: inline-block;
        }
        .friend-links a:hover { background: #4a35a5; }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #4a35a5;
            font-size: 0.9rem;
            color: #aaa;
        }
        .text-center { text-align: center; }
        .mb-2 { margin-bottom: 2rem; }
        .mt-2 { margin-top: 2rem; }
        .tag {
            display: inline-block;
            background: #e8f4ff;
            color: #4a35a5;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.9rem;
            margin: 0.3rem;
        }
        .update-time {
            background: #fff9e6;
            padding: 0.8rem;
            border-radius: 8px;
            font-size: 0.9rem;
            margin: 1rem 0;
            display: inline-block;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .nav-desktop { display: none; }
            .hamburger { display: block; }
            .article-content, .sidebar { padding: 1.5rem; }
            .main-content { gap: 25px; }
        }