* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f9f7f2;
            background-image: url('data:image/svg+xml;utf8,<svg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><path d="M0,50 Q25,40 50,50 T100,50 L100,100 L0,100 Z" fill="%23e8f4e8" opacity="0.3"/></svg>');
            background-size: 200px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        h1, h2, h3, h4 {
            font-family: 'Comic Sans MS', 'Chalkboard SE', cursive;
            color: #4a7c59;
            margin-top: 1.5em;
            margin-bottom: 0.5em;
            line-height: 1.3;
        }
        h1 {
            font-size: clamp(2.5rem, 5vw, 4rem);
            text-align: center;
            border-bottom: 5px dashed #9bc7a7;
            padding-bottom: 20px;
            margin-top: 0.5em;
        }
        h2 {
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            border-left: 6px solid #ff9a8b;
            padding-left: 15px;
            margin-top: 2em;
        }
        h3 {
            font-size: clamp(1.4rem, 3vw, 1.8rem);
            color: #6d8b6f;
        }
        h4 {
            font-size: 1.2rem;
            color: #888;
        }
        p {
            margin-bottom: 1.2em;
            text-align: justify;
            hyphens: auto;
            font-size: 1.1rem;
        }
        a {
            color: #3a7b5a;
            text-decoration: none;
            transition: all 0.3s ease;
            border-bottom: 1px dotted transparent;
            padding-bottom: 2px;
        }
        a:hover {
            color: #ff7e5f;
            border-bottom: 1px dotted #ff7e5f;
        }
        .highlight {
            background-color: #fff9c4;
            padding: 0.2em 0.5em;
            border-radius: 4px;
            font-weight: bold;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: #fff;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Comic Sans MS', cursive;
            font-size: 2.2rem;
            font-weight: bold;
            color: #4a7c59;
            text-decoration: none;
            display: flex;
            align-items: center;
        }
        .my-logo i {
            color: #ff9a8b;
            margin-right: 10px;
            font-size: 2.5rem;
        }
        .my-logo:hover {
            color: #ff7e5f;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #f0f7f0;
            font-size: 0.9rem;
            border-radius: 0 0 12px 12px;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            margin-right: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 10px;
            color: #888;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
        }
        .main-nav li {
            margin-left: 25px;
        }
        .main-nav a {
            font-weight: 600;
            padding: 8px 5px;
            border-bottom: 3px solid transparent;
        }
        .main-nav a:hover, .main-nav a.active {
            color: #4a7c59;
            border-bottom: 3px solid #9bc7a7;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #4a7c59;
            cursor: pointer;
        }
        .search-box {
            display: flex;
            margin: 30px auto;
            max-width: 600px;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .search-box input {
            flex-grow: 1;
            padding: 18px 25px;
            border: none;
            font-size: 1.1rem;
            background-color: #fff;
        }
        .search-box button {
            background-color: #4a7c59;
            color: white;
            border: none;
            padding: 0 30px;
            cursor: pointer;
            font-size: 1.2rem;
            transition: background-color 0.3s;
        }
        .search-box button:hover {
            background-color: #3a6b4a;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 40px 0;
        }
        .article-content {
            background-color: white;
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }
        .update-time {
            text-align: center;
            font-style: italic;
            color: #888;
            margin-bottom: 30px;
            padding-bottom: 15px;
            border-bottom: 1px dashed #ddd;
        }
        .feature-img {
            margin: 30px auto;
            box-shadow: 0 15px 25px rgba(0,0,0,0.1);
            transition: transform 0.5s ease;
        }
        .feature-img:hover {
            transform: scale(1.01);
        }
        .img-caption {
            text-align: center;
            font-size: 0.9rem;
            color: #666;
            margin-top: 10px;
            font-style: italic;
        }
        .sidebar {
            background-color: white;
            padding: 25px;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar h3 {
            margin-top: 0;
            border-bottom: 2px solid #9bc7a7;
            padding-bottom: 10px;
        }
        .sidebar ul {
            list-style: none;
        }
        .sidebar li {
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px dotted #eee;
        }
        .sidebar a {
            display: block;
            padding: 8px 0;
        }
        .rating-section, .comment-section {
            background-color: #f8fff8;
            padding: 25px;
            border-radius: 15px;
            margin: 40px 0;
            border: 1px solid #d4ecd4;
        }
        .stars {
            display: flex;
            gap: 5px;
            margin: 15px 0;
        }
        .star {
            color: #ddd;
            cursor: pointer;
            font-size: 1.8rem;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #ffc107;
        }
        .rating-form, .comment-form {
            display: grid;
            gap: 15px;
            margin-top: 20px;
        }
        .rating-form input,
        .comment-form input,
        .comment-form textarea {
            padding: 12px 15px;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .rating-form input:focus,
        .comment-form input:focus,
        .comment-form textarea:focus {
            border-color: #4a7c59;
            outline: none;
        }
        .comment-form textarea {
            min-height: 150px;
            resize: vertical;
        }
        .btn {
            background-color: #4a7c59;
            color: white;
            border: none;
            padding: 14px 25px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: bold;
            font-size: 1rem;
            transition: background-color 0.3s, transform 0.2s;
            justify-self: start;
        }
        .btn:hover {
            background-color: #3a6b4a;
            transform: translateY(-3px);
        }
        .site-footer {
            background-color: #2d4a36;
            color: #e0f0e0;
            padding: 50px 0 20px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-family: 'Comic Sans MS', cursive;
            font-size: 2rem;
            color: #9bc7a7;
            margin-bottom: 20px;
        }
        .footer-links h4 {
            color: #b8d8be;
            border-bottom: 2px solid #4a7c59;
            padding-bottom: 10px;
            margin-bottom: 20px;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #c8e6c9;
            text-decoration: none;
        }
        .footer-links a:hover {
            color: #ffcc80;
        }
        friend-link {
            display: block;
            background-color: rgba(255,255,255,0.1);
            padding: 15px;
            border-radius: 10px;
            margin-bottom: 15px;
            border-left: 5px solid #9bc7a7;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #3a5a45;
            font-size: 0.9rem;
            color: #a0c0a0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: white;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
                padding: 20px;
                border-radius: 0 0 20px 20px;
            }
            .main-nav.active ul {
                display: flex;
            }
            .main-nav li {
                margin: 10px 0;
            }
            .hamburger {
                display: block;
            }
            .article-content {
                padding: 25px;
            }
            .header-inner {
                flex-wrap: wrap;
            }
        }