* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f8fafc;
            color: #334155;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #1d4ed8;
            text-decoration: none;
            transition: color 0.3s ease, text-decoration 0.3s ease;
        }
        a:hover {
            color: #1e40af;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: #e2e8f0;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo a {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #60a5fa, #3b82f6);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: #3b82f6;
            font-size: 2rem;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: #cbd5e1;
            font-weight: 500;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #60a5fa;
            transition: width 0.3s ease;
        }
        .nav-desktop a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #cbd5e1;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: #1e293b;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: #cbd5e1;
            padding: 0.8rem 1rem;
            border-bottom: 1px solid #334155;
        }
        .nav-mobile a:last-child {
            border-bottom: none;
        }
        .breadcrumb {
            background-color: #e2e8f0;
            padding: 0.8rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #475569;
        }
        .breadcrumb span {
            color: #64748b;
        }
        main {
            flex: 1;
            padding: 2rem 0;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: white;
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
        }
        .article-header {
            border-bottom: 2px solid #e2e8f0;
            padding-bottom: 1.5rem;
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 2.8rem;
            color: #0f172a;
            line-height: 1.2;
            margin-bottom: 1rem;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            color: #64748b;
            font-size: 0.95rem;
        }
        .update-time {
            background-color: #dbeafe;
            color: #1d4ed8;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-weight: 500;
        }
        h2 {
            font-size: 2rem;
            color: #1e293b;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #e2e8f0;
        }
        h3 {
            font-size: 1.6rem;
            color: #334155;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #475569;
            margin-top: 1.5rem;
            margin-bottom: 0.6rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            color: #475569;
            font-weight: 500;
            background-color: #f1f5f9;
            padding: 1.2rem;
            border-left: 4px solid #3b82f6;
            border-radius: 0 8px 8px 0;
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #fef3c7;
            padding: 0.2rem 0.4rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .article-img {
            margin: 2rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
            max-width: 800px;
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #64748b;
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .quote {
            border-left: 5px solid #10b981;
            padding: 1.5rem 2rem;
            margin: 2rem 0;
            background-color: #ecfdf5;
            font-style: italic;
            color: #065f46;
            border-radius: 0 10px 10px 0;
        }
        .info-box {
            background-color: #dbeafe;
            border: 1px solid #93c5fd;
            border-radius: 10px;
            padding: 1.5rem;
            margin: 2rem 0;
        }
        .info-box h4 {
            color: #1d4ed8;
            margin-top: 0;
        }
        ul, ol {
            margin-bottom: 1.5rem;
            padding-left: 2rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        aside {
            background: white;
            border-radius: 12px;
            padding: 1.8rem;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            color: #1e293b;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #3b82f6;
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: 2px solid #cbd5e1;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s;
        }
        .search-input:focus {
            border-color: #3b82f6;
        }
        .search-button {
            background-color: #3b82f6;
            color: white;
            border: none;
            border-radius: 0 8px 8px 0;
            padding: 0 1.2rem;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-button:hover {
            background-color: #2563eb;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .stars {
            display: flex;
            gap: 5px;
            direction: rtl; 
        }
        .stars input {
            display: none;
        }
        .stars label {
            color: #cbd5e1;
            font-size: 1.8rem;
            cursor: pointer;
            transition: color 0.2s;
        }
        .stars input:checked ~ label,
        .stars label:hover,
        .stars label:hover ~ label {
            color: #fbbf24;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-group label {
            font-weight: 600;
            color: #475569;
        }
        .form-control {
            padding: 0.8rem;
            border: 1px solid #cbd5e1;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus {
            outline: none;
            border-color: #3b82f6;
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
        }
        textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }
        .submit-button {
            background-color: #10b981;
            color: white;
            border: none;
            border-radius: 8px;
            padding: 0.9rem;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
        }
        .submit-button:hover {
            background-color: #059669;
        }
        .related-links {
            list-style: none;
            padding-left: 0;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px dashed #e2e8f0;
        }
        .related-links li:last-child {
            border-bottom: none;
        }
        footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: #60a5fa;
            margin-bottom: 1rem;
        }
        .footer-heading {
            font-size: 1.3rem;
            color: #f8fafc;
            margin-bottom: 1.2rem;
            position: relative;
            padding-bottom: 0.5rem;
        }
        .footer-heading::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background: #3b82f6;
        }
        .footer-links {
            list-style: none;
            padding-left: 0;
        }
        .footer-links li {
            margin-bottom: 0.7rem;
        }
        .footer-links a {
            color: #94a3b8;
        }
        .footer-links a:hover {
            color: #60a5fa;
            padding-left: 5px;
            transition: all 0.3s;
        }
        friend-link {
            display: block;
            background-color: #1e293b;
            padding: 1rem;
            border-radius: 8px;
            margin-bottom: 1rem;
            text-align: center;
        }
        friend-link a {
            color: #60a5fa;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            article, aside { padding: 1.5rem; }
        }