* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        a {
            text-decoration: none;
            color: #2c5aa0;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #e63946;
        }
        header {
            background: linear-gradient(135deg, #1a237e, #283593);
            color: white;
            padding: 20px 0;
            border-radius: 0 0 10px 10px;
            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;
            padding: 0 20px;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: bold;
            color: #ffd700;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .my-logo:hover {
            color: #fff;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .nav-links a {
            color: white;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 5px;
        }
        .nav-links a:hover {
            background-color: rgba(255,255,255,0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            padding: 15px 20px;
            background-color: #e3f2fd;
            border-radius: 5px;
            margin: 15px 20px;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #1a237e;
        }
        main {
            display: grid;
            grid-template-columns: 3fr 1fr;
            gap: 30px;
            margin-top: 20px;
        }
        article {
            background: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 6px 15px rgba(0,0,0,0.05);
        }
        h1 {
            color: #1a237e;
            font-size: 2.5rem;
            margin-bottom: 15px;
            border-left: 5px solid #e63946;
            padding-left: 15px;
        }
        h2 {
            color: #283593;
            font-size: 1.8rem;
            margin: 25px 0 15px;
            padding-bottom: 8px;
            border-bottom: 2px dashed #ccc;
        }
        h3 {
            color: #3949ab;
            font-size: 1.4rem;
            margin: 20px 0 10px;
        }
        h4 {
            color: #5c6bc0;
            font-size: 1.2rem;
            margin: 15px 0 8px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .update-time {
            font-style: italic;
            color: #666;
            margin-bottom: 25px;
            padding: 10px;
            background-color: #f1f8e9;
            border-radius: 5px;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        strong {
            color: #d32f2f;
        }
        .image-container {
            text-align: center;
            margin: 25px 0;
        }
        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
        }
        .image-container img:hover {
            transform: scale(1.02);
        }
        .feature-list {
            background: #e8f5e9;
            padding: 20px;
            border-radius: 8px;
            margin: 20px 0;
        }
        aside {
            background: white;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
            align-self: start;
        }
        .search-box, .comment-form, .rating-form {
            margin-bottom: 25px;
        }
        .search-box h3, .comment-form h3, .rating-form h3 {
            color: #1a237e;
            margin-bottom: 15px;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px;
            margin-bottom: 15px;
            border: 1px solid #ccc;
            border-radius: 5px;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        input:focus, textarea:focus, select:focus {
            border-color: #2c5aa0;
            outline: none;
        }
        button {
            background: linear-gradient(135deg, #1a237e, #283593);
            color: white;
            border: none;
            padding: 12px 20px;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.3s ease;
        }
        button:hover {
            background: linear-gradient(135deg, #283593, #3949ab);
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            margin-bottom: 15px;
        }
        .rating-stars i {
            color: #ffd700;
            cursor: pointer;
            font-size: 1.5rem;
            transition: color 0.3s ease;
        }
        .rating-stars i:hover {
            color: #ff9800;
        }
        footer {
            margin-top: 40px;
            background: #1a237e;
            color: white;
            padding: 30px;
            border-radius: 10px 10px 0 0;
        }
        .footer-links {
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .footer-links a {
            color: #ffd700;
            margin: 5px 15px;
        }
        friend-link {
            display: block;
            background: #283593;
            padding: 15px;
            border-radius: 5px;
            margin: 15px 0;
        }
        friend-link a {
            color: white;
            font-weight: bold;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #3949ab;
            font-size: 0.9rem;
            color: #ccc;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 15px;
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 25px;
                right: 20px;
            }
            main {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .footer-links {
                flex-direction: column;
                align-items: center;
            }
        }
