* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f9f9fb;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            color: #5a67d8;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #434190;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1rem;
            color: #2d3748;
        }
        h1 {
            font-size: 2.5rem;
            border-bottom: 3px solid #e2e8f0;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            margin-top: 2rem;
        }
        h3 {
            font-size: 1.5rem;
            margin-top: 1.5rem;
        }
        h4 {
            font-size: 1.2rem;
            margin-top: 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.25rem;
            font-weight: 300;
            color: #4a5568;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .site-header {
            background: linear-gradient(135deg, #6b46c1 0%, #805ad5 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            color: white;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .my-logo i {
            color: #fbbf24;
        }
        .main-nav {
            display: flex;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 500;
            padding: 0.5rem 0.75rem;
            border-radius: 0.375rem;
        }
        .main-nav a:hover, .main-nav a.active {
            background-color: rgba(255, 255, 255, 0.15);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #edf2f7;
            padding: 0.75rem 1.5rem;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: #4a5568;
        }
        .breadcrumb a:hover {
            color: #2d3748;
        }
        .breadcrumb span {
            color: #a0aec0;
            margin: 0 0.5rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 2rem 0;
        }
        .main-content {
            background: white;
            padding: 2.5rem;
            border-radius: 0.75rem;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background: white;
            padding: 1.5rem;
            border-radius: 0.75rem;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
        }
        .widget h3 {
            font-size: 1.25rem;
            border-bottom: 2px solid #e2e8f0;
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
        }
        .search-form {
            display: flex;
            margin-bottom: 1rem;
        }
        .search-form input {
            flex-grow: 1;
            padding: 0.75rem 1rem;
            border: 1px solid #cbd5e0;
            border-radius: 0.375rem 0 0 0.375rem;
            font-size: 1rem;
        }
        .search-form button {
            background-color: #5a67d8;
            color: white;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 0 0.375rem 0.375rem 0;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .search-form button:hover {
            background-color: #434190;
        }
        .comment-section, .rating-section {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 2px solid #e2e8f0;
        }
        .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1.5rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-group label {
            font-weight: 600;
        }
        .form-group input, .form-group textarea, .form-group select {
            padding: 0.75rem;
            border: 1px solid #cbd5e0;
            border-radius: 0.375rem;
            font-size: 1rem;
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .btn {
            background-color: #5a67d8;
            color: white;
            padding: 0.75rem 1.5rem;
            border: none;
            border-radius: 0.375rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            align-self: flex-start;
        }
        .btn:hover {
            background-color: #434190;
            transform: translateY(-2px);
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            font-size: 1.5rem;
            color: #cbd5e0;
            cursor: pointer;
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: #fbbf24;
        }
        .highlight-box {
            background: linear-gradient(135deg, #e3f2fd 0%, #f3e5f5 100%);
            border-left: 4px solid #5a67d8;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 0.5rem 0.5rem 0;
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #718096;
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .related-links {
            background-color: #f7fafc;
            padding: 1.5rem;
            border-radius: 0.75rem;
            margin: 2rem 0;
        }
        .related-links ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .related-links li {
            background: white;
            padding: 0.75rem 1.25rem;
            border-radius: 2rem;
            box-shadow: 0 2px 4px rgba(0,0,0,0.05);
            transition: transform 0.3s ease;
        }
        .related-links li:hover {
            transform: translateY(-3px);
        }
        .update-time {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background-color: #f0fff4;
            color: #276749;
            padding: 0.5rem 1rem;
            border-radius: 2rem;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .site-footer {
            background-color: #2d3748;
            color: #cbd5e0;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-widget h4 {
            color: white;
            margin-bottom: 1.5rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.75rem;
        }
        .footer-links a {
            color: #cbd5e0;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 0.5rem;
        }
        friend-link {
            display: block;
            margin: 1rem 0;
            padding: 1rem;
            background: rgba(255,255,255,0.05);
            border-radius: 0.5rem;
            color: #90cdf4;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #4a5568;
            font-size: 0.875rem;
            color: #a0aec0;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: -1;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.75rem;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background-color: #6b46c1;
                flex-direction: column;
                padding: 1rem;
                gap: 0;
            }
            .main-nav.active {
                display: flex;
            }
            .main-nav a {
                padding: 1rem;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .mobile-toggle {
                display: block;
            }
            .header-inner {
                position: relative;
            }
            .main-content {
                padding: 1.5rem;
            }
            .related-links ul {
                flex-direction: column;
            }
        }