* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            background-attachment: fixed;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 800; color: #0a2463; }
        .highlight {
            background: linear-gradient(120deg, #a8edea 0%, #fed6e3 100%);
            padding: 2px 6px;
            border-radius: 4px;
            font-weight: 600;
        }
        .emoji { font-size: 1.2em; }
        .site-header {
            background: linear-gradient(to right, #0a2463, #3e5c9b);
            color: white;
            padding: 1.2rem 0;
            box-shadow: 0 4px 12px rgba(10, 36, 99, 0.15);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            color: #ffd166;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 1px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
            transition: transform 0.3s ease, color 0.3s ease;
        }
        .my-logo:hover {
            color: #fff;
            transform: scale(1.05);
        }
        .main-nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 0.5rem 0.8rem;
            border-radius: 5px;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .nav-links a:hover, .nav-links a.active {
            background-color: rgba(255, 209, 102, 0.9);
            color: #0a2463;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background: #e9f1fa;
            padding: 0.8rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d0ddec;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin-left: 0.5rem;
            color: #3e5c9b;
        }
        .breadcrumb a {
            color: #3e5c9b;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2.5rem 0;
        }
        article {
            background: white;
            border-radius: 16px;
            padding: 2.5rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
        }
        .article-header {
            margin-bottom: 2.5rem;
            border-bottom: 3px solid #ffd166;
            padding-bottom: 1.5rem;
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: #0a2463;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .meta-info {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #666;
            font-size: 0.95rem;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .update-time {
            background: #e9f1fa;
            padding: 0.4rem 0.8rem;
            border-radius: 20px;
        }
        .featured-img {
            width: 100%;
            border-radius: 12px;
            overflow: hidden;
            margin: 2rem 0 3rem;
            box-shadow: 0 8px 20px rgba(10, 36, 99, 0.15);
        }
        .featured-img img {
            width: 100%;
            height: auto;
            transition: transform 0.5s ease;
        }
        .featured-img:hover img {
            transform: scale(1.03);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        .content-section {
            margin-bottom: 3rem;
        }
        .content-section h2 {
            font-size: 2rem;
            color: #1e3a8a;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #cbd5e1;
        }
        .content-section h3 {
            font-size: 1.6rem;
            color: #3e5c9b;
            margin: 1.8rem 0 1rem;
        }
        .content-section h4 {
            font-size: 1.3rem;
            color: #5a7bc1;
            margin: 1.5rem 0 0.8rem;
        }
        .content-section p {
            margin-bottom: 1.2rem;
            font-size: 1.08rem;
            text-align: justify;
        }
        .content-section ul, .content-section ol {
            margin-left: 1.8rem;
            margin-bottom: 1.5rem;
        }
        .content-section li {
            margin-bottom: 0.6rem;
        }
        .quote-box {
            background: linear-gradient(to right, #f0f9ff, #e0f2fe);
            border-left: 5px solid #0a2463;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
            font-style: italic;
        }
        .tip-box {
            background-color: #fff9db;
            border: 2px solid #ffd166;
            padding: 1.2rem;
            border-radius: 10px;
            margin: 1.5rem 0;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            border-radius: 12px;
            padding: 1.5rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            color: #0a2463;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #ffd166;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex-grow: 1;
            padding: 0.8rem 1rem;
            border: 2px solid #cbd5e1;
            border-right: none;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
        }
        .search-form button {
            background: #0a2463;
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .search-form button:hover {
            background: #3e5c9b;
        }
        .related-links ul {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 0.8rem;
        }
        .related-links a {
            color: #3e5c9b;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.8rem;
            padding: 0.6rem;
            border-radius: 6px;
            transition: all 0.3s ease;
        }
        .related-links a:hover {
            background: #e9f1fa;
            color: #0a2463;
            padding-left: 1rem;
        }
        .related-links .fas {
            color: #ffd166;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 1.8rem;
            color: #ddd;
            margin: 0.5rem 0 1rem;
            cursor: pointer;
        }
        .stars .fas:hover,
        .stars .fas.active {
            color: #ffd166;
        }
        .rating-form button {
            background: #1e3a8a;
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 8px;
            cursor: pointer;
            width: 100%;
            font-weight: 600;
            transition: background 0.3s ease;
        }
        .rating-form button:hover {
            background: #3e5c9b;
        }
        .comment-section {
            background: white;
            border-radius: 16px;
            padding: 2.5rem;
            margin-top: 2rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
        }
        .comment-section h2 {
            color: #0a2463;
            margin-bottom: 1.5rem;
        }
        .comment-form {
            display: grid;
            gap: 1.2rem;
            margin-bottom: 2.5rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #3e5c9b;
        }
        .form-group input,
        .form-group textarea {
            padding: 0.9rem;
            border: 2px solid #cbd5e1;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: #0a2463;
        }
        .comment-form button {
            background: linear-gradient(to right, #0a2463, #3e5c9b);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            justify-self: start;
        }
        .comment-form button:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(10, 36, 99, 0.2);
        }
        .comment-list {
            margin-top: 2rem;
        }
        .comment {
            background: #f8fafc;
            border-radius: 10px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            border-left: 4px solid #0a2463;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.8rem;
            font-size: 0.95rem;
            color: #666;
        }
        .comment-author {
            font-weight: 700;
            color: #0a2463;
        }
        .site-footer {
            background: linear-gradient(to right, #0a2463, #1e3a8a);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-logo {
            font-size: 2rem;
            color: #ffd166;
            margin-bottom: 1rem;
            font-weight: bold;
        }
        .footer-section h3 {
            font-size: 1.3rem;
            margin-bottom: 1.2rem;
            color: #ffd166;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #cbd5e1;
            text-decoration: none;
            transition: color 0.3s ease;
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .footer-links a:hover {
            color: #ffd166;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.1);
            padding: 1rem;
            border-radius: 8px;
            margin-bottom: 1rem;
        }
        friend-link a {
            color: #ffd166;
            text-decoration: none;
            font-weight: 600;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #cbd5e1;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .article-header h1 {
                font-size: 2.4rem;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: #0a2463;
                padding: 1.5rem;
                box-shadow: 0 10px 15px rgba(0,0,0,0.2);
                border-top: 2px solid #ffd166;
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .header-container {
                flex-wrap: wrap;
            }
            .article-header h1 {
                font-size: 2rem;
            }
            .content-section h2 {
                font-size: 1.7rem;
            }
            .content-section h3 {
                font-size: 1.4rem;
            }
            article, .comment-section {
                padding: 1.5rem;
            }
        }