* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f0f7ee;
            color: #333;
            line-height: 1.8;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            color: #2a7a3a;
            text-decoration: none;
            transition: color 0.3s ease, background-color 0.3s ease;
        }
        a:hover {
            color: #1e5c2a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        .text-center { text-align: center; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .mb-3 { margin-bottom: 3rem; }
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .mt-3 { margin-top: 3rem; }
        .p-2 { padding: 2rem; }
        .bg-white { background-color: #fff; }
        .rounded { border-radius: 10px; }
        .shadow { box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05); }
        .site-header {
            background: linear-gradient(135deg, #4caf50, #2e7d32);
            color: white;
            padding: 1rem 0;
            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;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: #fff;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
            font-family: 'Comic Sans MS', cursive, sans-serif;
        }
        .my-logo:hover {
            color: #ffeb3b;
            text-decoration: none;
        }
        .nav-desktop {
            display: flex;
            gap: 1.5rem;
            align-items: center;
        }
        .nav-desktop a {
            color: #fff;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 5px;
        }
        .nav-desktop a:hover {
            background-color: rgba(255, 255, 255, 0.2);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
            padding: 0.5rem;
        }
        #nav-toggle {
            display: none;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: #2e7d32;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            z-index: 999;
            box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        }
        #nav-toggle:checked ~ .nav-mobile {
            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: #e8f5e9;
            padding: 0.8rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #388e3c;
        }
        .breadcrumb span {
            color: #666;
        }
        .main-content {
            padding: 2rem 0;
            display: grid;
            grid-template-columns: 1fr;
            gap: 3rem;
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
        }
        h1 {
            color: #1b5e20;
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid #4caf50;
            padding-bottom: 0.5rem;
        }
        h2 {
            color: #2e7d32;
            font-size: 2.2rem;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            padding-left: 0.5rem;
            border-left: 5px solid #81c784;
        }
        h3 {
            color: #43a047;
            font-size: 1.7rem;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }
        h4 {
            color: #66bb6a;
            font-size: 1.4rem;
            margin-top: 1.5rem;
            margin-bottom: 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
            font-size: 1.1rem;
            color: #444;
        }
        strong {
            color: #1b5e20;
            font-weight: 700;
        }
        em {
            color: #555;
            font-style: italic;
        }
        .highlight {
            background-color: #f1f8e9;
            padding: 1.5rem;
            border-left: 4px solid #4caf50;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .featured-image {
            width: 80%;
            margin: 2rem auto;
            border: 5px solid #c8e6c9;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .function-box {
            background: #e8f5e9;
            padding: 2rem;
            border-radius: 12px;
            margin: 2.5rem 0;
        }
        .function-title {
            color: #1b5e20;
            font-size: 1.5rem;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #2e7d32;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #a5d6a7;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #2e7d32;
            box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.2);
        }
        button, .btn {
            background: linear-gradient(to right, #4caf50, #2e7d32);
            color: white;
            border: none;
            padding: 0.8rem 1.8rem;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-block;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to right, #43a047, #1b5e20);
            transform: translateY(-2px);
            box-shadow: 0 5px 12px rgba(0, 0, 0, 0.15);
            text-decoration: none;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 1.8rem;
            color: #ccc;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #ffc107;
        }
        .last-updated {
            text-align: right;
            font-size: 0.9rem;
            color: #777;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px dashed #aaa;
        }
        footer {
            background: #2e7d32;
            color: #fff;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-section h3 {
            color: #c8e6c9;
            font-size: 1.3rem;
            margin-bottom: 1.2rem;
            border-bottom: 2px solid #4caf50;
            padding-bottom: 0.5rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.7rem;
        }
        .footer-links a {
            color: #e8f5e9;
        }
        .footer-links a:hover {
            color: #ffeb3b;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.1);
            padding: 1rem;
            border-radius: 8px;
            margin: 1rem 0;
            border-left: 4px solid #ffeb3b;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            font-size: 0.9rem;
            color: #c8e6c9;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.5rem; }
            .container { width: 95%; }
        }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
            .hamburger { display: block; }
            .header-container { flex-wrap: wrap; }
            .featured-image { width: 100%; }
            article { padding: 1.5rem; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.8rem; }
            .function-box { padding: 1.5rem; }
        }
        @media (max-width: 480px) {
            .my-logo { font-size: 1.8rem; }
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.6rem; }
            .footer-container { grid-template-columns: 1fr; }
        }