        * {
            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, #f5f7fa 0%, #c3cfe2 100%);
            min-height: 100vh;
            padding-bottom: 2rem;
        }
        .site-header {
            background: linear-gradient(90deg, #1a237e, #4a148c);
            color: white;
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-family: 'Courier New', monospace;
            font-size: 2.5rem;
            font-weight: 900;
            text-decoration: none;
            color: #00e5ff;
            text-shadow: 3px 3px 0 #ff4081, 6px 6px 0 rgba(0,0,0,0.2);
            letter-spacing: -1px;
            transition: all 0.3s ease;
        }
        .my-logo:hover {
            color: #18ffff;
            text-shadow: 4px 4px 0 #ff4081, 8px 8px 0 rgba(0,0,0,0.2);
            transform: translateY(-2px);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.5rem;
        }
        .main-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: background 0.3s, transform 0.2s;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background: rgba(255, 255, 255, 0.15);
            transform: scale(1.05);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .breadcrumb {
            max-width: 1280px;
            margin: 1rem auto 2rem;
            padding: 0 2rem;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #4a148c;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-container {
            max-width: 1280px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 0 2rem;
        }
        .content-area {
            background: white;
            border-radius: 16px;
            padding: 3rem;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
        }
        .sidebar {
            background: white;
            border-radius: 16px;
            padding: 2rem;
            align-self: start;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
        }
        h1 {
            font-size: 3.2rem;
            color: #1a237e;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 4px solid #ff4081;
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #4a148c;
            margin: 3rem 0 1.5rem;
            padding-top: 1rem;
            border-top: 2px dashed #c3cfe2;
        }
        h3 {
            font-size: 1.8rem;
            color: #6a1b9a;
            margin: 2.5rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #8e24aa;
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .lead {
            font-size: 1.3rem;
            color: #555;
            font-weight: 500;
            background: #f3e5f5;
            padding: 1.5rem;
            border-left: 5px solid #9c27b0;
            border-radius: 0 8px 8px 0;
            margin-bottom: 2.5rem;
        }
        .highlight {
            background: linear-gradient(120deg, #ffeb3b 0%, #ffeb3b 100%);
            background-repeat: no-repeat;
            background-size: 100% 40%;
            background-position: 0 90%;
            padding: 0 0.2rem;
            font-weight: 700;
        }
        strong {
            color: #1a237e;
        }
        a.content-link {
            color: #d81b60;
            text-decoration: none;
            border-bottom: 1px dotted #d81b60;
            transition: all 0.2s;
        }
        a.content-link:hover {
            color: #1a237e;
            border-bottom: 2px solid #1a237e;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 12px;
            margin: 2rem auto;
            display: block;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
            transition: transform 0.5s ease;
        }
        .article-image:hover {
            transform: scale(1.01);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: -1.5rem;
            margin-bottom: 2.5rem;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .search-widget {
            margin-bottom: 2.5rem;
        }
        .search-widget h3 {
            margin-top: 0;
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex-grow: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid #c3cfe2;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .search-input:focus {
            outline: none;
            border-color: #9c27b0;
        }
        .search-button {
            background: linear-gradient(90deg, #9c27b0, #6a1b9a);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: background 0.3s;
        }
        .search-button:hover {
            background: linear-gradient(90deg, #ab47bc, #7b1fa2);
        }
        .rating-section, .comments-section {
            background: #f9f9ff;
            border-radius: 12px;
            padding: 2rem;
            margin-top: 3rem;
            border: 1px solid #e1e1e1;
        }
        .rating-form, .comment-form {
            display: grid;
            gap: 1rem;
            margin-top: 1.5rem;
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ffd700;
            cursor: pointer;
            margin-bottom: 1rem;
        }
        .star-rating i {
            transition: transform 0.2s;
        }
        .star-rating i:hover {
            transform: scale(1.2);
        }
        .form-input, .form-textarea {
            width: 100%;
            padding: 1rem;
            border: 1px solid #c3cfe2;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
        }
        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-button {
            background: linear-gradient(90deg, #1a237e, #4a148c);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            justify-self: start;
        }
        .submit-button:hover {
            background: linear-gradient(90deg, #283593, #5e35b1);
            transform: translateY(-2px);
        }
        .site-footer {
            max-width: 1280px;
            margin: 4rem auto 0;
            padding: 2rem;
            text-align: center;
            border-top: 1px solid #c3cfe2;
        }
        friend-link {
            display: block;
            margin: 1.5rem 0;
            font-size: 1.1rem;
        }
        friend-link a {
            color: #4a148c;
            text-decoration: none;
            margin: 0 0.5rem;
            padding: 0.3rem 0.8rem;
            border-radius: 4px;
            background: #f3e5f5;
            transition: background 0.3s;
        }
        friend-link a:hover {
            background: #e1bee7;
        }
        .copyright {
            margin-top: 2rem;
            color: #666;
            font-size: 0.9rem;
        }
        .last-updated {
            font-size: 0.9rem;
            color: #777;
            text-align: right;
            margin-bottom: 2rem;
            font-style: italic;
        }
        @media (max-width: 1024px) {
            .main-container {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            h1 {
                font-size: 2.8rem;
            }
            h2 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .my-logo {
                font-size: 2rem;
                margin-bottom: 1rem;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 2rem;
            }
            .main-nav {
                width: 100%;
                display: none;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0.5rem;
                padding-top: 1rem;
            }
            .main-nav a {
                display: block;
                padding: 0.8rem;
            }
            .content-area, .sidebar {
                padding: 1.5rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .lead {
                font-size: 1.1rem;
                padding: 1rem;
            }
        }
