* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f8f9fa;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #2a7c45;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        a:hover {
            color: #1e5a32;
        }
        ul, ol {
            padding-left: 2em;
            margin: 1em 0;
        }
        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0,0,0,0);
            border: 0;
        }
        .site-header {
            background: linear-gradient(135deg, #2a7c45 0%, #1e5a32 100%);
            color: white;
            padding: 1rem 0;
            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;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            color: #ffde00;
            text-shadow: 2px 2px 0 #1e5a32;
            letter-spacing: -1px;
        }
        .my-logo a {
            color: inherit;
        }
        .my-logo a:hover {
            text-shadow: 3px 3px 0 #1e5a32;
        }
        .breadcrumb {
            background-color: #e9f5ec;
            padding: 0.8rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #d0e6d7;
        }
        .breadcrumb a {
            color: #2a7c45;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #666;
        }
        .nav-container {
            display: flex;
            align-items: center;
        }
        .main-nav {
            display: flex;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .main-nav li {
            margin-left: 1.8rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0.3rem;
            border-bottom: 3px solid transparent;
        }
        .main-nav a:hover, .main-nav a:focus {
            border-bottom-color: #ffde00;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .search-form {
            margin-left: 2rem;
            position: relative;
        }
        .search-input {
            padding: 0.6rem 2.5rem 0.6rem 1rem;
            border-radius: 50px;
            border: 2px solid rgba(255,255,255,0.3);
            background: rgba(255,255,255,0.15);
            color: white;
            width: 200px;
            transition: all 0.3s;
        }
        .search-input::placeholder {
            color: rgba(255,255,255,0.8);
        }
        .search-input:focus {
            outline: none;
            width: 250px;
            background: rgba(255,255,255,0.25);
            border-color: #ffde00;
        }
        .search-button {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2.5rem 0;
        }
        @media (max-width: 900px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: white;
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .article-header {
            border-bottom: 3px solid #e9f5ec;
            padding-bottom: 1.5rem;
            margin-bottom: 2.5rem;
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: #1e5a32;
            line-height: 1.2;
            margin-bottom: 0.5rem;
        }
        .meta-info {
            color: #666;
            font-size: 0.95rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-top: 1rem;
        }
        .update-time {
            background: #ffebcc;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            color: #b35c00;
        }
        h2 {
            font-size: 2rem;
            color: #2a7c45;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #e0f0e5;
        }
        h3 {
            font-size: 1.6rem;
            color: #3a8c55;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #4a9c65;
            margin: 1.5rem 0 0.8rem;
        }
        .content-highlight {
            background: linear-gradient(to right, #e9f5ec, #f0f9f3);
            border-left: 5px solid #2a7c45;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
        }
        .tip-box {
            background-color: #fff8e6;
            border: 2px solid #ffde00;
            border-radius: 10px;
            padding: 1.5rem;
            margin: 2rem 0;
        }
        .tip-box h4 {
            color: #b35c00;
            margin-top: 0;
        }
        .featured-image {
            width: 100%;
            border-radius: 10px;
            overflow: hidden;
            margin: 2rem 0;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .internal-links {
            background-color: #f0f9f3;
            border-radius: 10px;
            padding: 2rem;
            margin: 2.5rem 0;
        }
        .internal-links h3 {
            margin-top: 0;
        }
        .internal-links ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 0.8rem;
            list-style-type: none;
            padding: 0;
        }
        .internal-links li:before {
            content: "🌿";
            margin-right: 0.5rem;
        }
        .sidebar {
            background: white;
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            align-self: start;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            color: #2a7c45;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e9f5ec;
        }
        .rating-widget form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .rating-stars {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            font-size: 1.8rem;
            gap: 0.3rem;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            color: #ddd;
            cursor: pointer;
            transition: color 0.3s;
        }
        .rating-stars input:checked ~ label,
        .rating-stars label:hover,
        .rating-stars label:hover ~ label {
            color: #ffc107;
        }
        .rating-submit {
            background: #2a7c45;
            color: white;
            border: none;
            padding: 0.8rem;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s;
        }
        .rating-submit:hover {
            background: #1e5a32;
        }
        .comments-widget form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .comment-input, .comment-textarea {
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
        }
        .comment-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .comment-submit {
            background: #2a7c45;
            color: white;
            border: none;
            padding: 0.8rem;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s;
        }
        .comment-submit:hover {
            background: #1e5a32;
        }
        .site-footer {
            background: #1e3a28;
            color: #c8d6cc;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
        }
        .footer-widget h3 {
            color: #ffde00;
            margin-bottom: 1.5rem;
            font-size: 1.4rem;
        }
        friend-link {
            display: block;
            padding: 0.8rem 0;
            border-bottom: 1px dashed #3a5a45;
            color: #a3d1b0;
        }
        friend-link a {
            color: inherit;
        }
        friend-link a:hover {
            color: #ffde00;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #3a5a45;
            font-size: 0.9rem;
            color: #8aa396;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
                order: 1;
            }
            .main-nav {
                display: none;
                width: 100%;
                order: 3;
                margin-top: 1.5rem;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                margin: 0;
                border-top: 1px solid rgba(255,255,255,0.1);
            }
            .main-nav a {
                display: block;
                padding: 1rem;
                border-bottom: none;
            }
            .search-form {
                margin-left: auto;
                margin-right: 1rem;
                order: 2;
            }
            .search-input {
                width: 180px;
            }
            .search-input:focus {
                width: 200px;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            article, .sidebar {
                padding: 1.8rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
        }