        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f9f7f0;
            background-image: linear-gradient(to bottom, #e8f5e9 0%, #f9f7f0 100%);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        h1, h2, h3, h4 {
            font-family: 'Georgia', serif;
            color: #2e7d32;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            border-bottom: 4px solid #ff9800;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            border-left: 5px solid #4caf50;
            padding-left: 15px;
            margin-top: 2.5rem;
        }
        h3 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            color: #388e3c;
            margin-top: 2rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #43a047;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: #2e7d32;
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Comic Sans MS', cursive, sans-serif;
            font-size: 2.2rem;
            font-weight: bold;
            color: #ffeb3b;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: #ff9800;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        .main-nav a:hover, .main-nav a:focus {
            background-color: #4caf50;
            color: #ffeb3b;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #e8f5e9;
            margin-bottom: 2rem;
            border-bottom: 1px solid #c8e6c9;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: ">";
            margin-left: 0.5rem;
            color: #666;
        }
        .breadcrumb a {
            color: #2e7d32;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-content-area {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content-area {
                grid-template-columns: 1fr;
            }
        }
        .article-main {
            background-color: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 2px dashed #c8e6c9;
            color: #666;
            font-size: 0.95rem;
        }
        .update-time {
            background-color: #fff3e0;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            font-weight: 600;
        }
        .article-img {
            margin: 2rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
            border: 5px solid #fff;
        }
        .article-img figcaption {
            text-align: center;
            font-style: italic;
            padding: 0.8rem;
            background-color: #f1f8e9;
            color: #555;
        }
        .highlight-box {
            background: linear-gradient(135deg, #e8f5e9, #f1f8e9);
            border-left: 6px solid #ff9800;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .tip {
            background-color: #e3f2fd;
            padding: 1rem;
            border-radius: 8px;
            margin: 1.5rem 0;
            border-left: 5px solid #2196f3;
        }
        .internal-link {
            color: #1b5e20;
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dotted #4caf50;
            transition: color 0.2s;
        }
        .internal-link:hover {
            color: #ff9800;
            border-bottom-style: solid;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
        }
        .widget h3 {
            margin-top: 0;
            color: #d84315;
            font-size: 1.4rem;
        }
        .search-form {
            display: flex;
            margin-top: 0.5rem;
        }
        .search-form input {
            flex: 1;
            padding: 0.8rem;
            border: 2px solid #4caf50;
            border-right: none;
            border-radius: 4px 0 0 4px;
            font-size: 1rem;
        }
        .search-form button {
            background-color: #4caf50;
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background-color: #388e3c;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .star-rating {
            display: flex;
            gap: 5px;
            font-size: 1.8rem;
            color: #ffc107;
            cursor: pointer;
            margin-bottom: 0.5rem;
        }
        .star-rating i:hover {
            transform: scale(1.2);
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #555;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 4px;
            font-size: 1rem;
            font-family: inherit;
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(to right, #4caf50, #2e7d32);
            color: white;
            border: none;
            padding: 1rem 1.5rem;
            border-radius: 6px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(46, 125, 50, 0.3);
        }
        .site-footer {
            background-color: #1b5e20;
            color: #e8f5e9;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-section h3 {
            color: #ffeb3b;
            margin-bottom: 1.5rem;
            font-size: 1.4rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #c8e6c9;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: #ff9800;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: #2e7d32;
            padding: 1.2rem;
            border-radius: 8px;
            margin-bottom: 1rem;
        }
        friend-link a {
            color: #ffeb3b;
            text-decoration: none;
            font-weight: bold;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #388e3c;
            font-size: 0.9rem;
            color: #a5d6a7;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #2e7d32;
                padding: 1rem;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
                z-index: 999;
            }
            .main-nav.active ul {
                display: flex;
            }
            .article-main {
                padding: 1.5rem;
            }
            .article-meta {
                flex-direction: column;
                gap: 1rem;
                align-items: flex-start;
            }
            h2 {
                font-size: 1.6rem;
            }
        }
