* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #0066cc;
        }
        a:hover {
            color: #004499;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .header {
            background: linear-gradient(135deg, #1e3c72, #2a5298);
            color: white;
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: bold;
            color: #ffcc00;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            color: #ffdd44;
            transform: scale(1.05);
            transition: transform 0.3s;
        }
        .search-form {
            display: flex;
            flex: 0 1 300px;
        }
        .search-input {
            flex: 1;
            padding: 10px 15px;
            border: none;
            border-radius: 25px 0 0 25px;
            font-size: 1rem;
        }
        .search-button {
            background: #ffcc00;
            color: #1e3c72;
            border: none;
            padding: 10px 20px;
            border-radius: 0 25px 25px 0;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .search-button:hover {
            background: #ffdd44;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: white;
        }
        .nav {
            display: flex;
            justify-content: center;
            background: rgba(0,0,0,0.2);
            margin-top: 10px;
            padding: 10px 0;
        }
        .nav-list {
            display: flex;
            list-style: none;
        }
        .nav-item {
            margin: 0 15px;
        }
        .nav-link {
            color: white;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 5px;
            transition: background 0.3s;
        }
        .nav-link:hover {
            background: rgba(255,255,255,0.2);
        }
        .breadcrumb {
            padding: 10px 0;
            font-size: 0.9rem;
            color: #666;
        }
        .breadcrumb a {
            color: #0066cc;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 30px;
            padding: 30px 0;
        }
        .article {
            background: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .article h1 {
            font-size: 2.5rem;
            color: #1e3c72;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .article h2 {
            font-size: 2rem;
            color: #2a5298;
            margin-top: 30px;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid #ffcc00;
        }
        .article h3 {
            font-size: 1.5rem;
            color: #333;
            margin-top: 25px;
            margin-bottom: 10px;
        }
        .article h4 {
            font-size: 1.2rem;
            color: #555;
            margin-top: 20px;
            margin-bottom: 10px;
        }
        .article p {
            margin-bottom: 20px;
            text-align: justify;
            line-height: 1.8;
        }
        .article emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .highlight {
            background: #fffacd;
            padding: 15px;
            border-left: 4px solid #ffcc00;
            margin: 20px 0;
            border-radius: 5px;
        }
        .image-container {
            margin: 25px 0;
            text-align: center;
        }
        .image-container img {
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transition: transform 0.3s;
        }
        .image-container img:hover {
            transform: scale(1.02);
        }
        .image-caption {
            font-style: italic;
            color: #666;
            margin-top: 10px;
        }
        .link-list {
            list-style: none;
            padding: 20px;
            background: #f1f8ff;
            border-radius: 10px;
            margin: 20px 0;
        }
        .link-list li {
            margin-bottom: 10px;
        }
        .link-list a {
            color: #0066cc;
            font-weight: 500;
        }
        .link-list a:hover {
            text-decoration: underline;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        .widget {
            background: white;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .widget h3 {
            color: #1e3c72;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid #ffcc00;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            font-size: 1.5rem;
            color: #ffcc00;
            cursor: pointer;
        }
        .rating-stars i:hover {
            color: #ffdd44;
        }
        .form-input, .form-textarea {
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 1rem;
            width: 100%;
        }
        .form-textarea {
            min-height: 100px;
            resize: vertical;
        }
        .form-button {
            background: #1e3c72;
            color: white;
            border: none;
            padding: 12px;
            border-radius: 5px;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .form-button:hover {
            background: #2a5298;
        }
        .update-time {
            font-size: 0.9rem;
            color: #888;
            text-align: right;
            margin-top: 20px;
            font-style: italic;
        }
        .footer {
            background: #1e3c72;
            color: white;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-section h3 {
            color: #ffcc00;
            margin-bottom: 20px;
            font-size: 1.2rem;
        }
        .friend-links {
            list-style: none;
        }
        .friend-links li {
            margin-bottom: 10px;
        }
        .friend-links a {
            color: #ddd;
        }
        .friend-links a:hover {
            color: #ffcc00;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: -1;
            }
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .nav {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(0,0,0,0.9);
                position: absolute;
                top: 100%;
                left: 0;
                padding: 20px;
            }
            .nav.active {
                display: flex;
            }
            .nav-list {
                flex-direction: column;
            }
            .nav-item {
                margin: 10px 0;
            }
            .article h1 {
                font-size: 2rem;
            }
            .article h2 {
                font-size: 1.7rem;
            }
        }