* {
            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-color: #f8f9fa;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 15px;
        }
        a {
            color: #0056b3;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #003d82;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .site-header {
            background: linear-gradient(135deg, #0d2b5a 0%, #1a3d7a 100%);
            color: white;
            padding: 1.2rem 0;
            border-bottom: 5px solid #d32f2f;
            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: 2.2rem;
            font-weight: 800;
            color: white;
            text-transform: uppercase;
            letter-spacing: 1.2px;
            background: linear-gradient(to right, #ffcc00, #ff9900);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            padding: 5px 0;
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        .nav-primary {
            display: flex;
            gap: 2rem;
        }
        .nav-primary a {
            color: #e6e6e6;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
        }
        .nav-primary a:hover {
            background-color: rgba(255, 255, 255, 0.15);
            text-decoration: none;
            color: white;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #666;
            background-color: #f1f1f1;
            margin-bottom: 2rem;
            border-radius: 5px;
            padding-left: 1rem;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb i {
            margin: 0 8px;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-container {
            background: white;
            padding: 2.5rem;
            border-radius: 10px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
        }
        .article-header {
            margin-bottom: 2.5rem;
            border-bottom: 2px solid #eee;
            padding-bottom: 1.5rem;
        }
        h1 {
            font-size: 2.8rem;
            color: #0d2b5a;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            color: #777;
            font-size: 0.95rem;
            margin-top: 1rem;
        }
        .update-time {
            background: #fff3cd;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            color: #856404;
            font-weight: 600;
        }
        h2 {
            font-size: 2rem;
            color: #1a3d7a;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px dashed #ccc;
        }
        h3 {
            font-size: 1.6rem;
            color: #d32f2f;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #555;
            margin: 1.8rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .intro {
            font-size: 1.3rem;
            color: #444;
            background: #f0f8ff;
            padding: 1.5rem;
            border-left: 5px solid #1a3d7a;
            border-radius: 0 8px 8px 0;
            margin-bottom: 2.5rem;
        }
        .highlight {
            background-color: #ffffcc;
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 4px solid #ffcc00;
            margin: 2rem 0;
            font-weight: 600;
        }
        .article-img {
            margin: 2.5rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            max-width: 800px;
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.8rem;
        }
        strong {
            color: #0d2b5a;
        }
        em {
            color: #d32f2f;
        }
        .quote {
            font-style: italic;
            border-left: 4px solid #0d2b5a;
            padding-left: 1.5rem;
            margin: 2rem 0;
            color: #555;
        }
        .link-in-article {
            background-color: #e7f3ff;
            padding: 2px 6px;
            border-radius: 3px;
            font-weight: 600;
        }
        .sidebar {
            background: white;
            padding: 1.8rem;
            border-radius: 10px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .widget {
            margin-bottom: 2.5rem;
        }
        .widget-title {
            font-size: 1.4rem;
            color: #1a3d7a;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #eee;
        }
        .search-form {
            display: flex;
            margin-bottom: 1.5rem;
        }
        .search-input {
            flex-grow: 1;
            padding: 0.9rem;
            border: 2px solid #ccc;
            border-radius: 5px 0 0 5px;
            font-size: 1rem;
        }
        .search-button {
            background-color: #d32f2f;
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: background 0.3s;
        }
        .search-button:hover {
            background-color: #b71c1c;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 1.8rem;
            color: #ffcc00;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars i {
            margin: 0 2px;
            transition: transform 0.2s;
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .comment-form textarea {
            width: 100%;
            padding: 0.9rem;
            border: 2px solid #ccc;
            border-radius: 5px;
            font-family: inherit;
            font-size: 1rem;
            resize: vertical;
            margin-bottom: 1rem;
        }
        .submit-button {
            background-color: #0d2b5a;
            color: white;
            border: none;
            padding: 0.9rem 1.8rem;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            transition: background 0.3s;
            width: 100%;
        }
        .submit-button:hover {
            background-color: #1a3d7a;
        }
        .site-footer {
            background: #0d2b5a;
            color: #ddd;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
            border-top: 5px solid #d32f2f;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #ffcc00;
            margin-bottom: 1rem;
        }
        .friend-links {
            background: rgba(255,255,255,0.05);
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        friend-link {
            display: inline-block;
            margin-right: 1.5rem;
            margin-bottom: 0.8rem;
        }
        friend-link a {
            color: #ffcc00;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #aaa;
            font-size: 0.9rem;
            width: 100%;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .nav-primary {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 1rem;
                gap: 0;
            }
            .nav-primary.active {
                display: flex;
            }
            .nav-primary a {
                padding: 1rem;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 15px;
            }
            h1 {
                font-size: 2.2rem;
            }
            .article-container, .sidebar {
                padding: 1.5rem;
            }
            .main-content {
                gap: 2rem;
            }
        }