* {
            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%, #e4edf5 100%);
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        h1, h2, h3, h4 {
            color: #1a365d;
            margin-bottom: 1rem;
            font-weight: 700;
            line-height: 1.2;
        }
        h1 {
            font-size: 2.8rem;
            border-bottom: 3px solid #c53030;
            padding-bottom: 0.5rem;
            margin-top: 1.5rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #2d3748;
            margin-top: 2.5rem;
            padding-left: 0.5rem;
            border-left: 5px solid #4299e1;
        }
        h3 {
            font-size: 1.8rem;
            color: #4a5568;
            margin-top: 2rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #718096;
            margin-top: 1.5rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .lead {
            font-size: 1.25rem;
            font-weight: 500;
            color: #2d3748;
            background-color: #edf2f7;
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 4px solid #4299e1;
        }
        a {
            color: #2b6cb0;
            text-decoration: none;
            transition: color 0.3s ease, background-color 0.3s ease;
        }
        a:hover {
            color: #1a365d;
            text-decoration: underline;
        }
        strong {
            color: #c53030;
            font-weight: 700;
        }
        em {
            color: #4a5568;
        }
        .highlight {
            background-color: #fffacd;
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(90deg, #1a365d 0%, #2d3748 100%);
            color: white;
            padding: 1rem 0;
            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;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: #fff;
            text-transform: uppercase;
            letter-spacing: 1px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.05);
            text-decoration: none;
        }
        .my-logo span {
            color: #fbd38d;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        .nav-links li {
            margin-left: 2rem;
        }
        .nav-links a {
            color: #e2e8f0;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 0.5rem 0.75rem;
            border-radius: 4px;
        }
        .nav-links a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            text-decoration: none;
            color: #fff;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            background-color: #edf2f7;
            border-bottom: 1px solid #cbd5e0;
        }
        .breadcrumb a {
            color: #4a5568;
        }
        .breadcrumb i {
            margin: 0 0.5rem;
            color: #a0aec0;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
        }
        .featured-img {
            width: 100%;
            border-radius: 10px;
            margin: 2rem auto;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            border: 1px solid #e2e8f0;
        }
        .info-box {
            background: #f0fff4;
            border-left: 5px solid #38a169;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .info-box h4 {
            color: #276749;
            margin-top: 0;
        }
        .quote {
            font-style: italic;
            font-size: 1.2rem;
            color: #4a5568;
            border-left: 4px solid #d69e2e;
            padding-left: 1.5rem;
            margin: 2rem 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat-card {
            background: white;
            padding: 1.5rem;
            border-radius: 8px;
            text-align: center;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
            border-top: 4px solid #4299e1;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 900;
            color: #2b6cb0;
            display: block;
        }
        .stat-label {
            color: #718096;
            font-size: 0.95rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .widget {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
        }
        .widget h3 {
            font-size: 1.4rem;
            margin-top: 0;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e2e8f0;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex-grow: 1;
            padding: 0.75rem;
            border: 1px solid #cbd5e0;
            border-radius: 6px 0 0 6px;
            font-size: 1rem;
        }
        .search-form button {
            background-color: #4299e1;
            color: white;
            border: none;
            padding: 0 1.25rem;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }
        .search-form button:hover {
            background-color: #3182ce;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 1.8rem;
            color: #e2e8f0;
            margin: 0.5rem 0;
            cursor: pointer;
        }
        .stars i {
            margin: 0 0.1rem;
            transition: color 0.2s;
        }
        .stars i:hover,
        .stars i.active {
            color: #f6e05e;
        }
        .rating-text {
            font-size: 0.9rem;
            color: #718096;
        }
        .related-links ul {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px dashed #e2e8f0;
        }
        .related-links a {
            color: #4a5568;
            display: flex;
            align-items: center;
        }
        .related-links i {
            margin-right: 0.75rem;
            color: #4299e1;
        }
        .update-time {
            font-size: 0.85rem;
            color: #718096;
            text-align: center;
            padding: 1rem;
            background-color: #f7fafc;
            border-radius: 6px;
        }
        .comment-section {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 2px solid #e2e8f0;
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-bottom: 2rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #4a5568;
        }
        .form-group input,
        .form-group textarea {
            padding: 0.75rem;
            border: 1px solid #cbd5e0;
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-btn {
            background-color: #38a169;
            color: white;
            border: none;
            padding: 0.9rem 1.5rem;
            border-radius: 6px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            align-self: flex-start;
            transition: background-color 0.3s ease;
        }
        .submit-btn:hover {
            background-color: #2f855a;
        }
        .comment-list .comment {
            background-color: #f7fafc;
            padding: 1.5rem;
            border-radius: 8px;
            margin-bottom: 1.5rem;
            border-left: 4px solid #4299e1;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.75rem;
            font-size: 0.9rem;
            color: #718096;
        }
        .comment-author {
            font-weight: 600;
            color: #2d3748;
        }
        footer {
            background: linear-gradient(90deg, #1a365d 0%, #2d3748 100%);
            color: #e2e8f0;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
        }
        .footer-section h4 {
            color: #fbd38d;
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #cbd5e0;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 0.5rem;
            transition: all 0.3s ease;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 1rem;
            border-radius: 6px;
            margin-bottom: 1rem;
            border-left: 3px solid #fbd38d;
        }
        friend-link a {
            color: #90cdf4;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #4a5568;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 1rem;
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links li {
                margin: 0.5rem 0;
            }
            .nav-links a {
                display: block;
                padding: 0.75rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .article-content {
                padding: 1.5rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }