* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Arial Unicode MS', 'Verdana', sans-serif;
            line-height: 1.8;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            background-color: #f5f1e8;
            color: #2a2a2a;
            padding-bottom: 60px;
        }
        header {
            background-color: #004d00;
            color: #fff;
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0,0,0,0.25);
        }
        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            text-transform: uppercase;
            letter-spacing: 1.2px;
            color: #ffcc00;
        }
        .logo span {
            color: #fff;
        }
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
        }
        .main-nav {
            display: flex;
            gap: 2rem;
        }
        .main-nav a {
            color: #fff;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
        }
        .main-nav a:hover {
            color: #ffcc00;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .btn-container {
            display: flex;
            gap: 1rem;
        }
        .btn {
            padding: 0.6rem 1.2rem;
            border: none;
            border-radius: 5px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
        }
        .download-btn {
            background-color: #ffcc00;
            color: #004d00;
        }
        .login-btn {
            background-color: #fff;
            color: #004d00;
        }
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 10px rgba(0,0,0,0.15);
        }
        .container {
            max-width: 1200px;
            margin: 2.5rem auto;
            padding: 0 2rem;
        }
        h1 {
            font-size: 2.6rem;
            color: #004d00;
            margin-bottom: 1.8rem;
            border-bottom: 3px solid #ffcc00;
            padding-bottom: 0.6rem;
        }
        h2 {
            font-size: 2.1rem;
            color: #004d00;
            margin: 2.2rem 0 1.1rem;
        }
        h3 {
            font-size: 1.6rem;
            color: #003300;
            margin: 1.6rem 0 0.9rem;
        }
        p {
            margin-bottom: 1.3rem;
            text-align: justify;
            font-size: 1.05rem;
        }
        .highlight {
            font-weight: bold;
            color: #004d00;
        }
        .emoji-box {
            padding: 1.2rem;
            background-color: #fff;
            border-left: 4px solid #ffcc00;
            margin: 1.8rem 0;
            border-radius: 0 5px 5px 0;
        }
        .categories-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 1.8rem;
            margin: 2.2rem 0;
            padding: 1.8rem;
            background-color: #fff;
            border-radius: 8px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.1);
        }
        .category-list, .tag-list {
            flex: 1;
            min-width: 260px;
        }
        .category-list h3, .tag-list h3 {
            margin-bottom: 1.2rem;
            color: #004d00;
        }
        .category-list a, .tag-list a {
            display: inline-block;
            margin: 0.6rem 0.9rem 0.6rem 0;
            padding: 0.5rem 0.9rem;
            background-color: #e8f0e8;
            color: #004d00;
            text-decoration: none;
            border-radius: 5px;
            transition: background-color 0.3s ease;
        }
        .category-list a:hover, .tag-list a:hover {
            background-color: #ffcc00;
            color: #2a2a2a;
        }
        .recommendation {
            background-color: #f9f6e9;
            padding: 2.2rem;
            border-radius: 8px;
            margin: 2.2rem 0;
            border: 1px solid #ffcc00;
        }
        .recommendation h3 {
            color: #004d00;
            margin-bottom: 1.2rem;
        }
        footer {
            background-color: #2a2a2a;
            color: #fff;
            padding: 2.2rem;
            margin-top: 3.5rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            text-align: center;
        }
        .copyright {
            margin-top: 1.2rem;
            font-size: 0.95rem;
            color: #ddd;
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background-color: #004d00;
                padding: 1.2rem 2rem;
                gap: 1.2rem;
            }
            .main-nav.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .nav-container {
                flex-wrap: wrap;
            }
            .btn-container {
                margin-top: 1.2rem;
                width: 100%;
                justify-content: center;
            }
            h1 {
                font-size: 2.1rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            .container {
                padding: 0 1.2rem;
            }
            p {
                font-size: 1rem;
            }
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 1.2rem 0;
            object-fit: cover;
            box-shadow: 0 3px 8px rgba(0,0,0,0.1);
        }
        .lazy-load {
            opacity: 0;
            transition: opacity 0.5s ease;
        }
        .lazy-load.loaded {
            opacity: 1;
        }