* {
            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: #f8f9fa;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            color: #2a7f62;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #1e5f48;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul {
            list-style: none;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section-padding {
            padding: 60px 0;
        }
        .site-header {
            background: linear-gradient(135deg, #2a7f62 0%, #1a533f 100%);
            color: white;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            color: #ffde59;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
            letter-spacing: 1px;
        }
        .my-logo:hover {
            color: #ffd32a;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .main-nav ul {
            display: flex;
            gap: 25px;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 8px 5px;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            border-bottom-color: #ffde59;
        }
        .breadcrumb {
            background-color: #e9f5ef;
            padding: 12px 20px;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin: 0 10px;
            color: #888;
        }
        .content-header {
            text-align: center;
            padding: 40px 20px;
            background: white;
            border-bottom: 1px solid #eee;
        }
        .content-header h1 {
            font-size: 2.8rem;
            color: #1a533f;
            margin-bottom: 15px;
        }
        .last-updated {
            color: #666;
            font-style: italic;
            margin-top: 10px;
        }
        .search-module {
            background: white;
            padding: 25px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin: 30px auto;
            max-width: 800px;
        }
        .search-module h2 {
            margin-bottom: 15px;
            color: #2a7f62;
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex-grow: 1;
            padding: 12px 15px;
            border: 2px solid #ccc;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
        }
        .search-btn {
            background-color: #2a7f62;
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .search-btn:hover {
            background-color: #1e5f48;
        }
        .article-content {
            background: white;
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 5px 25px rgba(0,0,0,0.05);
            margin-bottom: 40px;
            line-height: 1.8;
        }
        .article-content h2 {
            color: #1a533f;
            margin-top: 40px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #eee;
        }
        .article-content h3 {
            color: #2a7f62;
            margin-top: 30px;
            margin-bottom: 15px;
        }
        .article-content h4 {
            color: #444;
            margin-top: 20px;
            margin-bottom: 10px;
        }
        .article-content p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .article-content strong {
            color: #1a533f;
            font-weight: 700;
        }
        .article-content em {
            background-color: #f0fff9;
            font-style: italic;
            padding: 0 3px;
        }
        .featured-img {
            float: right;
            margin: 15px 0 20px 30px;
            max-width: 450px;
            border-radius: 10px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        @media (max-width: 768px) {
            .featured-img {
                float: none;
                margin: 20px auto;
                max-width: 100%;
            }
        }
        .link-list {
            background: #f0fff9;
            padding: 20px;
            border-left: 5px solid #2a7f62;
            margin: 25px 0;
        }
        .link-list li {
            margin-bottom: 8px;
        }
        .interactive-modules {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 50px 0;
        }
        .module {
            background: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .module h2 {
            color: #2a7f62;
            margin-bottom: 20px;
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            margin: 15px 0;
            font-size: 1.5rem;
            color: #ffde59;
        }
        .rating-stars i {
            cursor: pointer;
            transition: transform 0.2s;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-control {
            width: 100%;
            padding: 12px;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
        }
        textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }
        .submit-btn {
            background-color: #2a7f62;
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 6px;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .submit-btn:hover {
            background-color: #1e5f48;
        }
        .site-footer {
            background-color: #1a3229;
            color: #ccc;
            padding: 50px 0 20px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h3 {
            color: #ffde59;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin-bottom: 8px;
            color: #8bb;
        }
        friend-link:hover {
            color: #ffde59;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #2a4a3d;
            font-size: 0.9rem;
            color: #8a9;
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .main-nav {
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #1a533f;
                clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
                transition: clip-path 0.4s ease;
            }
            .main-nav.active {
                clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
            }
            .main-nav ul {
                flex-direction: column;
                padding: 20px;
                gap: 15px;
            }
            .main-nav a {
                display: block;
                padding: 12px;
                border-left: 3px solid transparent;
            }
            .main-nav a:hover {
                border-left-color: #ffde59;
                border-bottom-color: transparent;
            }
            .content-header h1 {
                font-size: 2.2rem;
            }
            .article-content {
                padding: 25px;
            }
        }