* { 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: #fefefe;
            background-image: linear-gradient(to bottom, #fff 0%, #f9f4ff 100%);
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        a { color: #7c3aed; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #5b21b6; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; }
        ul, ol { padding-left: 1.5em; margin-bottom: 1.5em; }
        .site-header {
            background: linear-gradient(135deg, #1e0b36 0%, #3c1b5c 100%);
            color: #fff;
            padding: 1.5rem 0;
            border-bottom: 5px solid #ff6b8b;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-family: 'Georgia', serif;
            font-size: 2.2rem;
            font-weight: bold;
            background: linear-gradient(90deg, #ff6b8b, #7c3aed);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            padding: 0.5rem;
            border-radius: 5px;
        }
        .my-logo a { background: none; -webkit-text-fill-color: inherit; }
        .main-nav { display: flex; align-items: center; }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-list a {
            color: #e2d8f3;
            font-weight: 500;
            padding: 0.5rem 0.75rem;
            border-radius: 4px;
        }
        .nav-list a:hover,
        .nav-list a:focus {
            background-color: rgba(255, 255, 255, 0.15);
            text-decoration: none;
            color: #fff;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #fff;
            cursor: pointer;
            padding: 0.5rem;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #666;
            background-color: #f5f3ff;
            border-radius: 0 0 8px 8px;
            margin-bottom: 2rem;
        }
        .breadcrumb a { color: #555; }
        .breadcrumb i { margin: 0 0.5rem; color: #aaa; }
        .main-content { display: grid; grid-template-columns: 1fr 300px; gap: 2.5rem; }
        .article-content { padding: 1rem 0; }
        .sidebar {
            padding: 1.5rem;
            background: #f8f5ff;
            border-left: 4px solid #7c3aed;
            border-radius: 8px;
            align-self: start;
            position: sticky;
            top: 140px;
        }
        h1 {
            font-size: 2.8rem;
            color: #2d1b69;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid #ff6b8b;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: #3c1b5c;
            margin: 2.5rem 0 1rem;
            padding-left: 0.75rem;
            border-left: 5px solid #7c3aed;
        }
        h3 {
            font-size: 1.6rem;
            color: #5b21b6;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #7c3aed;
            margin: 1.5rem 0 0.75rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        strong { color: #5b21b6; font-weight: 700; }
        em { color: #666; font-style: italic; }
        blockquote {
            border-left: 4px solid #ff6b8b;
            padding-left: 1.5rem;
            margin: 2rem 0;
            color: #555;
            background-color: #fff5f7;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
        }
        .highlight-box {
            background: linear-gradient(to right, #eef2ff, #fce7f3);
            border: 1px solid #ddd;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
            box-shadow: 0 4px 6px rgba(0,0,0,0.05);
        }
        .article-img {
            width: 100%;
            border-radius: 12px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
            margin: 2rem auto;
            border: 3px solid #fff;
            outline: 2px solid #7c3aed;
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .content-links {
            background-color: #f0f9ff;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .content-links h3 { margin-top: 0; }
        .content-links ul { list-style-type: none; padding-left: 0; }
        .content-links li { padding: 0.5rem 0; border-bottom: 1px dashed #ccc; }
        .content-links li:last-child { border-bottom: none; }
        .functional-box {
            background: #fff;
            border: 2px solid #e2e8f0;
            border-radius: 12px;
            padding: 2rem;
            margin: 3rem 0;
            box-shadow: 0 6px 15px rgba(0,0,0,0.05);
        }
        .functional-box h2 { border-left: none; padding-left: 0; }
        .form-group { margin-bottom: 1.5rem; }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #444;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid #cbd5e1;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #7c3aed;
            box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
        }
        button, .btn {
            background: linear-gradient(to right, #7c3aed, #5b21b6);
            color: white;
            border: none;
            padding: 0.85rem 1.75rem;
            border-radius: 6px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
            display: inline-block;
        }
        button:hover, .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(124, 58, 237, 0.3);
            text-decoration: none;
        }
        .star-rating {
            direction: rtl;
            unicode-bidi: bidi-override;
            font-size: 2rem;
            display: inline-block;
        }
        .star-rating input { display: none; }
        .star-rating label {
            color: #ccc;
            cursor: pointer;
            display: inline-block;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #ffc107;
        }
        .site-footer {
            background: #1e0b36;
            color: #ddd;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
            border-top: 5px solid #ff6b8b;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: #ff6b8b;
            margin-bottom: 1.5rem;
            font-size: 1.4rem;
        }
        friend-link {
            display: block;
            padding: 0.5rem 0;
            border-bottom: 1px dashed #444;
            color: #c4b5fd;
        }
        friend-link:last-child { border-bottom: none; }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #333;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
            .sidebar { position: static; }
        }
        @media (max-width: 768px) {
            body { padding: 0 10px; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .header-container { flex-direction: column; align-items: flex-start; }
            .main-nav { width: 100%; margin-top: 1rem; }
            .nav-list {
                flex-direction: column;
                width: 100%;
                display: none;
                gap: 0;
            }
            .nav-list.active { display: flex; }
            .nav-list li { width: 100%; }
            .nav-list a {
                display: block;
                padding: 1rem;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 15px;
            }
            .functional-box { padding: 1.5rem; }
        }
        .last-updated {
            background-color: #e0f2fe;
            padding: 0.75rem;
            border-radius: 6px;
            margin: 1.5rem 0;
            font-size: 0.9rem;
            color: #0369a1;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .fade-in {
            animation: fadeIn 0.8s ease-out;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }