* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f9f9f9;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .site-header {
            background: linear-gradient(135deg, #6a5acd 0%, #0d8bf2 100%);
            color: white;
            padding: 1.5rem 0;
            border-radius: 0 0 12px 12px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.1);
            margin-bottom: 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            padding: 0 1rem;
        }
        .my-logo {
            font-family: 'Georgia', serif;
            font-size: 2.5rem;
            font-weight: 900;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .my-logo span {
            display: inline-block;
            width: 40px;
            height: 40px;
            background: #ffd700;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #6a5acd;
            font-weight: bold;
        }
        .nav-container {
            display: flex;
            align-items: center;
        }
        .main-nav {
            display: flex;
            gap: 1.5rem;
            list-style: none;
        }
        .main-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            transition: all 0.3s ease;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 1rem 0;
            font-size: 0.9rem;
            color: #e0e0ff;
        }
        .breadcrumb a {
            color: #ffd700;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin-bottom: 3rem;
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 15px rgba(0,0,0,0.05);
        }
        .article-header {
            border-bottom: 3px solid #6a5acd;
            padding-bottom: 1.5rem;
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 2.8rem;
            color: #2c3e50;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            color: #777;
            font-size: 0.95rem;
            margin-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: #3498db;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #eee;
        }
        h3 {
            font-size: 1.6rem;
            color: #2c3e50;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #555;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background-color: #f0f7ff;
            border-left: 5px solid #3498db;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .feature-img {
            width: 100%;
            margin: 2rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .feature-img figcaption {
            text-align: center;
            font-style: italic;
            color: #666;
            padding: 0.8rem;
            background: #f8f8f8;
        }
        .internal-link {
            color: #2980b9;
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dotted #2980b9;
            transition: color 0.3s;
        }
        .internal-link:hover {
            color: #e74c3c;
            border-bottom-style: solid;
        }
        .sidebar {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 6px 15px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 140px;
        }
        .widget {
            margin-bottom: 2.5rem;
        }
        .widget h3 {
            font-size: 1.4rem;
            color: #6a5acd;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #eee;
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex-grow: 1;
            padding: 12px 15px;
            border: 2px solid #ddd;
            border-radius: 6px 0 0 6px;
            font-size: 1rem;
        }
        .search-button {
            background: #6a5acd;
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-button:hover {
            background: #5a4abc;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 1.8rem;
            color: #ffd700;
            margin: 10px 0;
            cursor: pointer;
        }
        .stars i {
            transition: transform 0.2s;
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .comment-form textarea {
            width: 100%;
            padding: 12px;
            border: 2px solid #ddd;
            border-radius: 6px;
            font-family: inherit;
            margin-bottom: 10px;
            resize: vertical;
            min-height: 120px;
        }
        .form-button {
            background: #2ecc71;
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 6px;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s;
            width: 100%;
        }
        .form-button:hover {
            background: #27ae60;
        }
        .site-footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 3rem 2rem;
            border-radius: 12px 12px 0 0;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: bold;
            color: #ffd700;
            margin-bottom: 1rem;
        }
        friend-link {
            display: block;
            margin: 10px 0;
        }
        friend-link a {
            color: #3498db;
            text-decoration: none;
            transition: color 0.3s;
        }
        friend-link a:hover {
            color: #ffd700;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #4a6278;
            font-size: 0.9rem;
            color: #bdc3c7;
        }
        @media (max-width: 900px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            h1 {
                font-size: 2.3rem;
            }
            h2 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 1rem;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 1rem;
                gap: 0;
            }
            .main-nav.active {
                display: flex;
            }
            .main-nav li {
                width: 100%;
            }
            .main-nav a {
                display: block;
                padding: 1rem;
                border-radius: 0;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .article-meta {
                flex-direction: column;
                gap: 10px;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 10px;
            }
            article, .sidebar {
                padding: 1.5rem;
            }
            h1 {
                font-size: 1.9rem;
            }
        }