* {
            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-color: #f9f5ff;
            background-image: linear-gradient(to bottom right, #f0e6ff, #ffffff);
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 15px;
        }
        a {
            color: #7c3aed;
            text-decoration: none;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }
        a:hover {
            color: #5b21b6;
            text-shadow: 0 0 8px rgba(124, 58, 237, 0.2);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 10px;
        }
        ul, ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .site-header {
            background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%);
            padding: 1.5rem 1rem;
            border-radius: 0 0 20px 20px;
            box-shadow: 0 10px 25px rgba(107, 70, 193, 0.2);
            margin-bottom: 2rem;
            color: white;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            text-transform: uppercase;
            letter-spacing: 1px;
            background: linear-gradient(45deg, #ffffff, #f0abfc);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 4px rgba(0,0,0,0.1);
            font-family: 'Arial Black', sans-serif;
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.8rem;
            margin: 0;
            padding: 0;
        }
        .main-nav a {
            color: #e9d5ff;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 8px;
            font-size: 1.05rem;
        }
        .main-nav a:hover {
            background-color: rgba(255, 255, 255, 0.15);
            color: white;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #6b7280;
            margin-bottom: 1.5rem;
            border-bottom: 1px dashed #ddd;
        }
        .breadcrumb a {
            color: #7c3aed;
        }
        .breadcrumb .separator {
            margin: 0 8px;
            color: #9ca3af;
        }
        .main-content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .main-content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        article {
            background-color: white;
            padding: 2.5rem;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 2.8rem;
            color: #4c1d95;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 6px solid #8b5cf6;
            padding-left: 1rem;
        }
        h2 {
            font-size: 2rem;
            color: #5b21b6;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f3e8ff;
        }
        h3 {
            font-size: 1.6rem;
            color: #7c3aed;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #8b5cf6;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .intro {
            font-size: 1.2rem;
            color: #555;
            background-color: #f5f3ff;
            padding: 1.5rem;
            border-radius: 12px;
            margin-bottom: 2rem;
            border-left: 5px solid #a78bfa;
        }
        .highlight {
            background: linear-gradient(120deg, #e0e7ff 0%, #fce7f3 100%);
            padding: 1.8rem;
            border-radius: 12px;
            margin: 2rem 0;
            border: 1px solid #ddd6fe;
        }
        .important {
            font-weight: 700;
            color: #5b21b6;
            font-size: 1.05em;
        }
        .featured-image {
            width: 100%;
            margin: 2.5rem auto;
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .quote {
            font-size: 1.2rem;
            color: #6d28d9;
            border-left: 5px solid #c4b5fd;
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
        }
        .interactive-module {
            background: #ffffff;
            border-radius: 15px;
            padding: 1.8rem;
            margin: 2.5rem 0;
            border: 1px solid #e5e7eb;
            box-shadow: 0 5px 15px rgba(0,0,0,0.03);
        }
        .module-title {
            font-size: 1.5rem;
            color: #4c1d95;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .module-title i {
            color: #8b5cf6;
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        label {
            font-weight: 600;
            color: #555;
        }
        input, textarea, select {
            padding: 0.9rem;
            border: 1px solid #d1d5db;
            border-radius: 10px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s, box-shadow 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #8b5cf6;
            box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
        }
        button, .btn {
            background: linear-gradient(to right, #7c3aed, #6d28d9);
            color: white;
            border: none;
            padding: 1rem 1.8rem;
            border-radius: 10px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.3s;
            text-align: center;
        }
        button:hover, .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 7px 15px rgba(124, 58, 237, 0.4);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 0.5rem 0;
        }
        .star {
            font-size: 1.8rem;
            color: #d1d5db;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #fbbf24;
        }
        .sidebar {
            background-color: white;
            padding: 2rem;
            border-radius: 20px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
            align-self: start;
            position: sticky;
            top: 140px;
        }
        .sidebar h3 {
            color: #5b21b6;
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f3e8ff;
        }
        .related-links {
            list-style: none;
            padding-left: 0;
        }
        .related-links li {
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px dashed #e5e7eb;
        }
        .related-links a {
            display: block;
            padding: 0.8rem;
            border-radius: 8px;
            background-color: #fafafa;
            transition: background-color 0.3s;
        }
        .related-links a:hover {
            background-color: #f3e8ff;
        }
        .update-time {
            background-color: #fef3c7;
            padding: 1rem;
            border-radius: 10px;
            margin-top: 2rem;
            font-size: 0.95rem;
            color: #92400e;
            text-align: center;
        }
        .site-footer {
            background: linear-gradient(135deg, #4c1d95 0%, #2e1065 100%);
            color: #e9d5ff;
            padding: 3rem 2rem;
            border-radius: 20px 20px 0 0;
            margin-top: 4rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
        }
        .footer-section h4 {
            color: #ffffff;
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
            color: #c4b5fd;
        }
        friend-link:hover {
            color: white;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 2.5rem;
            margin-top: 2.5rem;
            border-top: 1px solid #5b21b6;
            font-size: 0.9rem;
            color: #a78bfa;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 10px;
            }
            .header-container {
                flex-direction: column;
                align-items: flex-start;
                gap: 1.2rem;
            }
            .main-nav {
                width: 100%;
                display: none;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0.8rem;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.8rem;
                right: 1rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            article {
                padding: 1.8rem;
            }
            .sidebar {
                position: static;
            }
        }