* {
            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;
        }
        a {
            text-decoration: none;
            color: #2c3e50;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #e74c3c;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .header {
            background: linear-gradient(135deg, #1a237e, #4a148c);
            color: white;
            padding: 1rem 2rem;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: bold;
            color: #ffeb3b;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .my-logo a {
            color: inherit;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        .nav-desktop a {
            color: white;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        .nav-desktop a:hover {
            background-color: 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-color: #1a237e;
            padding: 1rem;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            box-shadow: 0 4px 8px rgba(0,0,0,0.2);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: white;
            padding: 0.8rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .nav-mobile a:last-child {
            border-bottom: none;
        }
        .breadcrumb {
            background-color: #e3f2fd;
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: #1565c0;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        .main-content {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
        }
        h1 {
            font-size: 2.8rem;
            color: #1a237e;
            margin-bottom: 1.5rem;
            border-bottom: 4px solid #ffeb3b;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #4a148c;
            margin: 2rem 0 1rem;
            padding-left: 0.5rem;
            border-left: 5px solid #e74c3c;
        }
        h3 {
            font-size: 1.8rem;
            color: #2c3e50;
            margin: 1.5rem 0 0.8rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #555;
            margin: 1.2rem 0 0.6rem;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
            text-align: justify;
            line-height: 1.8;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .highlight {
            background-color: #fff9c4;
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            font-weight: bold;
        }
        .article-image {
            float: right;
            margin: 0 0 1.5rem 2rem;
            border-radius: 10px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            max-width: 400px;
        }
        .clearfix::after {
            content: "";
            clear: both;
            display: table;
        }
        .functional-section {
            background: #f1f8e9;
            padding: 2rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .search-box, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            max-width: 600px;
        }
        input, textarea, select {
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            border-color: #4a148c;
            outline: none;
        }
        button {
            padding: 0.8rem 1.5rem;
            background: #4a148c;
            color: white;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.3s, transform 0.2s;
        }
        button:hover {
            background: #1a237e;
            transform: translateY(-2px);
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ffc107;
            cursor: pointer;
        }
        .star-rating i:hover {
            color: #ff9800;
        }
        .footer {
            background: #1a237e;
            color: white;
            padding: 2rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            justify-content: center;
        }
        friend-link {
            display: inline-block;
            background: rgba(255,255,255,0.1);
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        friend-link a {
            color: #ffeb3b;
        }
        .copyright {
            text-align: center;
            font-size: 0.9rem;
            color: #b0bec5;
            border-top: 1px solid rgba(255,255,255,0.2);
            padding-top: 1rem;
        }
        .update-time {
            font-style: italic;
            color: #ffcc80;
            text-align: right;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .article-image {
                float: none;
                margin: 1rem auto;
                max-width: 100%;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .container {
                padding: 0 1rem;
            }
            .main-content {
                padding: 1.5rem;
            }
        }