* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f8f9fa;
            background-image: linear-gradient(to bottom right, #f0f4f8, #e9ecef);
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 15px;
        }
        a {
            color: #2a6ebb;
            text-decoration: none;
            transition: color 0.3s ease, border-bottom 0.3s ease;
        }
        a:hover {
            color: #d43a2f;
            border-bottom: 2px solid #d43a2f;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
        }
        h1, h2, h3, h4 {
            font-family: Georgia, 'Times New Roman', Times, serif;
            color: #1a365d;
            margin-top: 1.5em;
            margin-bottom: 0.75em;
            line-height: 1.3;
            font-weight: 700;
        }
        h1 {
            font-size: clamp(2.5rem, 5vw, 3.8rem);
            border-bottom: 4px solid #d43a2f;
            padding-bottom: 0.3em;
            margin-top: 0.5em;
        }
        h2 {
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            border-left: 5px solid #2a6ebb;
            padding-left: 15px;
            margin-top: 2em;
        }
        h3 {
            font-size: clamp(1.4rem, 3vw, 1.8rem);
            color: #2c5282;
        }
        h4 {
            font-size: clamp(1.1rem, 2.5vw, 1.4rem);
            color: #4a5568;
        }
        p {
            margin-bottom: 1.5em;
            font-size: 1.05rem;
            text-align: justify;
            hyphens: auto;
        }
        strong {
            color: #1a365d;
            font-weight: 700;
        }
        em {
            color: #718096;
            font-style: italic;
        }
        blockquote {
            border-left: 4px solid #2a6ebb;
            background-color: #edf2f7;
            padding: 1.5em 2em;
            margin: 2em 0;
            border-radius: 0 8px 8px 0;
            font-style: italic;
            color: #2d3748;
        }
        blockquote::before {
            content: "\201C";
            font-size: 3em;
            color: #2a6ebb;
            line-height: 0.1em;
            margin-right: 0.1em;
            vertical-align: -0.4em;
        }
        .site-header {
            background: linear-gradient(135deg, #1a365d 0%, #2a6ebb 100%);
            color: white;
            padding: 1.2em 0;
            border-bottom: 5px solid #d43a2f;
            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-size: clamp(1.8rem, 4vw, 2.5rem);
            font-weight: 900;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 5px 0;
        }
        .my-logo:hover {
            color: #fbd38d;
            border-bottom: none;
        }
        .my-logo i {
            color: #d43a2f;
            font-size: 2rem;
        }
        .logo-text {
            display: inline-block;
            transform: skew(-5deg);
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        .nav-menu {
            display: flex;
            list-style: none;
            gap: 1.8em;
            align-items: center;
        }
        .nav-menu a {
            color: white;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 5px;
            transition: background-color 0.3s ease, transform 0.2s ease;
        }
        .nav-menu a:hover {
            background-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
            border-bottom: none;
        }
        .nav-menu a i {
            margin-right: 8px;
        }
        .breadcrumb {
            background-color: #e2e8f0;
            padding: 0.8em 1.5em;
            border-radius: 8px;
            margin: 1.5em 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #4a5568;
        }
        .breadcrumb a:hover {
            color: #1a365d;
        }
        .breadcrumb span {
            color: #718096;
            margin: 0 8px;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5em;
            margin: 2em 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: white;
            padding: 2.5em;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2em;
        }
        .sidebar-widget {
            background-color: white;
            padding: 1.8em;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
        }
        .sidebar-widget h3 {
            margin-top: 0;
            padding-bottom: 0.5em;
            border-bottom: 2px solid #e2e8f0;
            margin-bottom: 1.2em;
        }
        .search-form {
            display: flex;
            margin-top: 1em;
        }
        .search-form input {
            flex-grow: 1;
            padding: 12px 15px;
            border: 2px solid #cbd5e0;
            border-right: none;
            border-radius: 6px 0 0 6px;
            font-size: 1rem;
            transition: border-color 0.3s ease;
        }
        .search-form input:focus {
            outline: none;
            border-color: #2a6ebb;
        }
        .search-form button {
            background-color: #2a6ebb;
            color: white;
            border: none;
            padding: 0 1.5em;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }
        .search-form button:hover {
            background-color: #1a365d;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1em;
        }
        .rating-stars {
            display: flex;
            justify-content: center;
            gap: 10px;
            font-size: 1.8rem;
            margin: 0.5em 0;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            color: #cbd5e0;
            cursor: pointer;
            transition: color 0.2s ease, transform 0.2s ease;
        }
        .rating-stars label:hover,
        .rating-stars label:hover ~ label,
        .rating-stars input:checked ~ label {
            color: #f6ad55;
        }
        .rating-stars label:hover {
            transform: scale(1.2);
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5em;
        }
        .form-group label {
            font-weight: 600;
            color: #4a5568;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 12px 15px;
            border: 2px solid #cbd5e0;
            border-radius: 6px;
            font-size: 1rem;
            transition: border-color 0.3s ease;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #2a6ebb;
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(to right, #2a6ebb, #1a365d);
            color: white;
            border: none;
            padding: 14px 25px;
            border-radius: 6px;
            font-size: 1.05rem;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            margin-top: 0.5em;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(42, 110, 187, 0.25);
        }
        .article-image {
            margin: 2.5em auto;
            text-align: center;
            max-width: 800px;
        }
        .article-image figcaption {
            font-style: italic;
            color: #718096;
            margin-top: 0.8em;
            font-size: 0.95rem;
        }
        .info-box {
            background-color: #ebf8ff;
            border-left: 5px solid #2a6ebb;
            padding: 1.8em;
            margin: 2em 0;
            border-radius: 0 8px 8px 0;
        }
        .info-box h4 {
            margin-top: 0;
            color: #2a6ebb;
        }
        .highlight-text {
            background: linear-gradient(120deg, #fbd38d 0%, #fbd38d 100%);
            background-repeat: no-repeat;
            background-size: 100% 40%;
            background-position: 0 90%;
            padding: 0 3px;
            font-weight: 700;
        }
        .related-links {
            background-color: #f7fafc;
            padding: 1.8em;
            border-radius: 8px;
            margin: 2.5em 0;
            border: 1px dashed #cbd5e0;
        }
        .related-links ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 1.2em;
            margin-top: 1em;
        }
        .related-links li a {
            display: inline-block;
            background-color: white;
            padding: 10px 18px;
            border-radius: 6px;
            border: 1px solid #e2e8f0;
            transition: all 0.3s ease;
        }
        .related-links li a:hover {
            background-color: #2a6ebb;
            color: white;
            border-color: #2a6ebb;
            transform: translateY(-3px);
            box-shadow: 0 5px 10px rgba(42, 110, 187, 0.2);
        }
        .update-time {
            text-align: right;
            font-size: 0.9rem;
            color: #718096;
            margin-top: 3em;
            padding-top: 1.5em;
            border-top: 1px solid #e2e8f0;
        }
        .site-footer {
            background: linear-gradient(135deg, #1a365d 0%, #2c5282 100%);
            color: white;
            padding: 3em 0 2em;
            margin-top: 4em;
            border-top: 5px solid #d43a2f;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5em;
            margin-bottom: 2.5em;
        }
        .footer-section h3 {
            color: #fbd38d;
            border-bottom: 2px solid rgba(251, 211, 141, 0.3);
            padding-bottom: 0.5em;
            margin-bottom: 1.5em;
            font-size: 1.4rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8em;
        }
        .footer-links a {
            color: #cbd5e0;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        .footer-links a:hover {
            color: #fbd38d;
            transform: translateX(5px);
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 1em;
            border-radius: 6px;
            margin-bottom: 1em;
            border-left: 4px solid #d43a2f;
        }
        .copyright {
            text-align: center;
            padding-top: 2em;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: #a0aec0;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #1a365d;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1.5em;
                border-top: 1px solid rgba(255, 255, 255, 0.1);
                box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
                z-index: 999;
            }
            .nav-menu.active {
                display: flex;
            }
            .nav-menu li {
                width: 100%;
                text-align: center;
            }
            .nav-menu a {
                display: block;
                padding: 15px;
                border-radius: 6px;
            }
            .article-content {
                padding: 1.8em;
            }
            .header-container {
                padding: 0 15px;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .article-content, .sidebar-widget {
            animation: fadeInUp 0.6s ease-out forwards;
        }
        @media print {
            .site-header, .sidebar, .site-footer, .search-form, .rating-form, .comment-form {
                display: none;
            }
            body {
                background: white;
                max-width: 100%;
                font-size: 12pt;
                line-height: 1.5;
            }
            .article-content {
                box-shadow: none;
                padding: 0;
            }
            a {
                color: black;
                text-decoration: underline;
            }
            h1 {
                font-size: 24pt;
            }
        }