* {
            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;
            padding: 0;
            margin: 0;
        }
        a {
            text-decoration: none;
            color: #2c5aa0;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #1a365d;
        }
        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, #1a365d 0%, #2c5aa0 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo a {
            font-size: 2rem;
            font-weight: bold;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo a:hover {
            color: #ffcc00;
        }
        .my-logo {
            font-family: 'Georgia', serif;
            font-style: italic;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .search-box {
            display: flex;
            margin-top: 10px;
            width: 100%;
            max-width: 400px;
        }
        .search-box input {
            flex: 1;
            padding: 10px;
            border: none;
            border-radius: 4px 0 0 4px;
            font-size: 1rem;
        }
        .search-box button {
            background: #ffcc00;
            color: #1a365d;
            border: none;
            padding: 10px 20px;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s ease;
        }
        .search-box button:hover {
            background: #e6b800;
        }
        nav {
            margin-top: 1rem;
        }
        .nav-desktop {
            display: flex;
            gap: 20px;
            list-style: none;
        }
        .nav-desktop a {
            color: white;
            padding: 10px 15px;
            border-radius: 4px;
            transition: background 0.3s ease;
        }
        .nav-desktop a:hover {
            background: rgba(255,255,255,0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: #1a365d;
            list-style: none;
            margin-top: 10px;
            border-radius: 4px;
            overflow: hidden;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: white;
            padding: 15px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .nav-mobile a:hover {
            background: rgba(255,255,255,0.1);
        }
        .breadcrumb {
            padding: 10px 0;
            background: #e9ecef;
            margin-bottom: 20px;
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            margin-right: 10px;
        }
        .breadcrumb li:after {
            content: '/';
            margin-left: 10px;
            color: #666;
        }
        .breadcrumb li:last-child:after {
            content: '';
        }
        .breadcrumb a {
            color: #2c5aa0;
        }
        main {
            padding: 20px 0;
            background: white;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }
        article {
            padding: 20px;
        }
        h1 {
            font-size: 2.5rem;
            color: #1a365d;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: #2c5aa0;
            margin: 2rem 0 1rem;
            border-left: 5px solid #ffcc00;
            padding-left: 15px;
        }
        h3 {
            font-size: 1.5rem;
            color: #333;
            margin: 1.5rem 0 0.8rem;
        }
        h4 {
            font-size: 1.2rem;
            color: #555;
            margin: 1rem 0 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .highlight {
            background: #fffacd;
            padding: 15px;
            border-left: 4px solid #ffcc00;
            margin: 20px 0;
            border-radius: 4px;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .content-img {
            margin: 30px auto;
            max-width: 800px;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }
        .content-img img {
            width: 100%;
            height: auto;
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: #666;
            padding: 10px;
            background: #f8f9fa;
        }
        .internal-link {
            color: #2c5aa0;
            font-weight: bold;
            border-bottom: 1px dotted #2c5aa0;
        }
        .internal-link:hover {
            color: #1a365d;
            border-bottom: 1px solid #1a365d;
        }
        .form-section {
            background: #f1f8ff;
            padding: 20px;
            border-radius: 8px;
            margin: 30px 0;
        }
        .form-section h3 {
            color: #1a365d;
        }
        form {
            display: grid;
            gap: 15px;
            max-width: 600px;
        }
        input, textarea, select {
            padding: 12px;
            border: 1px solid #ccc;
            border-radius: 4px;
            font-size: 1rem;
            width: 100%;
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        button[type="submit"] {
            background: #2c5aa0;
            color: white;
            padding: 12px 24px;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: bold;
            transition: background 0.3s ease;
        }
        button[type="submit"]:hover {
            background: #1a365d;
        }
        .rating {
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
        }
        .rating label {
            font-weight: bold;
        }
        .stars {
            display: flex;
            gap: 5px;
        }
        .stars i {
            color: #ccc;
            cursor: pointer;
            font-size: 1.5rem;
            transition: color 0.2s ease;
        }
        .stars i:hover,
        .stars i.active {
            color: #ffcc00;
        }
        footer {
            background: #1a365d;
            color: white;
            padding: 40px 0 20px;
            margin-top: 40px;
        }
        .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: 15px;
        }
        .friend-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        friend-link {
            display: block;
            padding: 10px;
            background: rgba(255,255,255,0.1);
            border-radius: 4px;
            transition: background 0.3s ease;
        }
        friend-link:hover {
            background: rgba(255,255,255,0.2);
        }
        friend-link a {
            color: white;
            display: block;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #ccc;
        }
        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                align-items: flex-start;
            }
            .logo a {
                font-size: 1.8rem;
            }
            .search-box {
                max-width: 100%;
                margin-top: 15px;
            }
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 20px;
                right: 20px;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            h3 {
                font-size: 1.3rem;
            }
        }
        @media (min-width: 769px) {
            .nav-mobile {
                display: none !important;
            }
        }
        .article-meta {
            color: #666;
            font-size: 0.9rem;
            margin-bottom: 20px;
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .last-updated {
            background: #e9ecef;
            padding: 5px 10px;
            border-radius: 4px;
        }
        .tag-list {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin: 20px 0;
        }
        .tag {
            background: #e9ecef;
            padding: 5px 10px;
            border-radius: 20px;
            font-size: 0.9rem;
            color: #555;
        }
        .content-block {
            margin-bottom: 2rem;
        }
        .quote {
            font-style: italic;
            padding: 20px;
            background: #f8f9fa;
            border-left: 4px solid #2c5aa0;
            margin: 20px 0;
            border-radius: 4px;
        }
        .author {
            text-align: right;
            font-weight: bold;
            color: #555;
        }