* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background-color: #f8f9fa;
            background-image: radial-gradient(#e0e7ff 1px, transparent 1px);
            background-size: 30px 30px;
        }
        img { max-width: 100%; height: auto; display: block; }
        .site-header {
            background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
            color: white;
            padding: 1.5rem 2rem;
            box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1.5rem;
        }
        .my-logo {
            font-family: 'Comic Sans MS', cursive, sans-serif;
            font-size: 2.8rem;
            font-weight: 900;
            color: #fbbf24;
            text-shadow: 3px 3px 0 #ea580c, 6px 6px 0 rgba(0,0,0,0.2);
            text-decoration: none;
            letter-spacing: 1px;
            transition: all 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.05) rotate(-2deg);
            text-shadow: 4px 4px 0 #ea580c, 8px 8px 0 rgba(0,0,0,0.2);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 50px;
            transition: all 0.3s ease;
            background-color: rgba(255, 255, 255, 0.1);
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background-color: #fbbf24;
            color: #1e1b4b;
            transform: translateY(-3px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            max-width: 1280px;
            margin: 1.5rem auto;
            padding: 0 2rem;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #4f46e5;
            text-decoration: none;
        }
        .breadcrumb a:hover { text-decoration: underline; }
        .breadcrumb span { color: #6b7280; }
        .container {
            max-width: 1280px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        .article-content {
            background: white;
            padding: 3rem;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
        }
        h1 {
            font-size: 2.8rem;
            color: #1e1b4b;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 8px solid #fbbf24;
            padding-left: 1.5rem;
        }
        h2 {
            font-size: 2rem;
            color: #4f46e5;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #c7d2fe;
        }
        h3 {
            font-size: 1.6rem;
            color: #7c3aed;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #a78bfa;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: #4f46e5;
            font-weight: 600;
            padding: 1.5rem;
            background-color: #eef2ff;
            border-radius: 12px;
            border-left: 5px solid #4f46e5;
        }
        .highlight {
            background: linear-gradient(120deg, #fbbf2477 0%, #fbbf2477 100%);
            background-repeat: no-repeat;
            background-size: 100% 40%;
            background-position: 0 88%;
            font-weight: 700;
            padding: 0 0.2rem;
        }
        blockquote {
            border-left: 4px solid #10b981;
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
            color: #047857;
            background-color: #d1fae5;
            padding: 1.5rem;
            border-radius: 0 12px 12px 0;
        }
        .article-image {
            margin: 2.5rem auto;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
            border: 5px solid #c7d2fe;
            max-width: 800px;
        }
        .img-caption {
            text-align: center;
            font-size: 0.95rem;
            color: #6b7280;
            margin-top: 0.5rem;
            font-style: italic;
        }
        .internal-links {
            background: #f0f9ff;
            padding: 1.5rem;
            border-radius: 12px;
            margin: 2rem 0;
            border: 1px solid #bae6fd;
        }
        .internal-links h4 { color: #0369a1; margin-top: 0; }
        .internal-links ul { list-style: none; display: flex; flex-wrap: wrap; gap: 1rem; }
        .internal-links li a {
            background: white;
            padding: 0.7rem 1.2rem;
            border-radius: 50px;
            text-decoration: none;
            color: #0369a1;
            border: 1px solid #bae6fd;
            transition: all 0.3s ease;
            display: inline-block;
        }
        .internal-links li a:hover {
            background: #0369a1;
            color: white;
            transform: translateY(-3px);
        }
        .update-time {
            display: inline-block;
            background: #dcfce7;
            color: #166534;
            padding: 0.5rem 1rem;
            border-radius: 50px;
            font-size: 0.9rem;
            margin-top: 2rem;
        }
        .update-time i { margin-right: 0.5rem; }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background: white;
            padding: 1.8rem;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .widget h3 {
            font-size: 1.4rem;
            color: #4f46e5;
            margin-bottom: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .widget h3 i { color: #fbbf24; }
        .search-form input {
            width: 100%;
            padding: 0.9rem 1.2rem;
            border: 2px solid #c7d2fe;
            border-radius: 50px;
            font-size: 1rem;
            transition: all 0.3s;
        }
        .search-form input:focus {
            outline: none;
            border-color: #4f46e5;
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
        }
        .search-form button {
            width: 100%;
            margin-top: 0.8rem;
            padding: 0.9rem;
            background: linear-gradient(to right, #4f46e5, #7c3aed);
            color: white;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .search-form button:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(79, 70, 229, 0.4);
        }
        .rating-widget .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }
        .rating-widget .stars i {
            font-size: 2rem;
            color: #d1d5db;
            cursor: pointer;
            transition: color 0.2s;
        }
        .rating-widget .stars i:hover,
        .rating-widget .stars i.active {
            color: #fbbf24;
        }
        .rating-form button {
            width: 100%;
            padding: 0.8rem;
            background-color: #10b981;
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
        }
        .rating-form button:hover { background-color: #059669; }
        .comment-section {
            margin-top: 3rem;
            background: white;
            padding: 2.5rem;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
        }
        .comment-section h2 { border-bottom: none; }
        .comment-form label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #4f46e5;
        }
        .comment-form input,
        .comment-form textarea {
            width: 100%;
            padding: 0.9rem;
            margin-bottom: 1.2rem;
            border: 2px solid #c7d2fe;
            border-radius: 10px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .comment-form input:focus,
        .comment-form textarea:focus {
            outline: none;
            border-color: #4f46e5;
        }
        .comment-form button {
            padding: 1rem 2.5rem;
            background: linear-gradient(to right, #4f46e5, #7c3aed);
            color: white;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s;
        }
        .comment-form button:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(79, 70, 229, 0.4);
        }
        .site-footer {
            background: #1e1b4b;
            color: white;
            padding: 3rem 2rem;
            margin-top: 4rem;
        }
        .footer-container {
            max-width: 1280px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }
        .footer-logo {
            font-family: 'Comic Sans MS', cursive, sans-serif;
            font-size: 2.2rem;
            color: #fbbf24;
            margin-bottom: 1rem;
        }
        .footer-section h4 {
            color: #c7d2fe;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-section ul { list-style: none; }
        .footer-section li { margin-bottom: 0.8rem; }
        .footer-section a {
            color: #a5b4fc;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-section a:hover { color: #fbbf24; }
        friend-link {
            display: block;
            margin-top: 1rem;
            padding: 1rem;
            background: rgba(255,255,255,0.05);
            border-radius: 8px;
            border-left: 4px solid #fbbf24;
        }
        .copyright {
            max-width: 1280px;
            margin: 2rem auto 0;
            padding-top: 2rem;
            border-top: 1px solid #374151;
            text-align: center;
            color: #9ca3af;
            font-size: 0.9rem;
        }
        @media (max-width: 1024px) {
            .container { grid-template-columns: 1fr; gap: 2rem; }
        }
        @media (max-width: 768px) {
            .header-container { flex-direction: column; text-align: center; }
            .main-nav ul { display: none; flex-direction: column; width: 100%; }
            .main-nav.active ul {
                display: flex;
                margin-top: 1rem;
                background: rgba(0,0,0,0.2);
                padding: 1rem;
                border-radius: 12px;
            }
            .hamburger { display: block; }
            .article-content { padding: 2rem; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .internal-links ul { flex-direction: column; }
        }