* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.7;
            color: #2c3e50;
            background-color: #f8f9fa;
            max-width: 100vw;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; }
        .site-header {
            background: linear-gradient(135deg, #1a472a 0%, #2d6246 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-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            color: #ffde00;
            text-decoration: none;
            text-shadow: 2px 2px 0 #c19b00;
            letter-spacing: 1px;
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .breadcrumb {
            padding: 1rem 20px;
            background: #e9f5eb;
            font-size: 0.9rem;
            color: #555;
        }
        .breadcrumb a {
            color: #1a472a;
            text-decoration: none;
        }
        .breadcrumb a:hover { text-decoration: underline; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #c5e1c5;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
            transition: all 0.3s ease;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            color: #ffde00;
            border-bottom-color: #ffde00;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        #nav-toggle { display: none; }
        .hero {
            background: linear-gradient(rgba(26, 71, 42, 0.85), rgba(45, 98, 70, 0.9)), url('https://images.unsplash.com/photo-1594909122845-11baa439b7bf?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            text-align: center;
            padding: 4rem 2rem;
            margin-bottom: 3rem;
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 5px rgba(0,0,0,0.5);
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 2rem;
            opacity: 0.95;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .content-wrapper { grid-template-columns: 1fr; }
        }
        main article { background: white; padding: 2.5rem; border-radius: 12px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); }
        h1 { color: #1a472a; font-size: 2.8rem; margin-bottom: 1.5rem; }
        h2 { color: #2d6246; font-size: 2.2rem; margin: 2.5rem 0 1.2rem; padding-bottom: 0.5rem; border-bottom: 3px solid #ffde00; }
        h3 { color: #3a7d5d; font-size: 1.8rem; margin: 2rem 0 1rem; }
        h4 { color: #4a9870; font-size: 1.4rem; margin: 1.5rem 0 0.8rem; }
        p { margin-bottom: 1.5rem; font-size: 1.1rem; }
        .lead { font-size: 1.3rem; font-weight: 500; color: #2c3e50; background: #f1f8e9; padding: 1.5rem; border-left: 5px solid #ffde00; border-radius: 0 8px 8px 0; }
        strong { color: #1a472a; }
        em { color: #555; }
        .highlight-box {
            background: linear-gradient(to right, #e9f7ef, #d4edda);
            border-left: 6px solid #28a745;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .related-links { margin: 2rem 0; padding: 1.5rem; background: #f8f9fa; border-radius: 8px; }
        .related-links h3 { margin-top: 0; }
        .related-links ul { list-style: square inside; }
        .related-links li { margin-bottom: 0.8rem; }
        .related-links a { color: #1a472a; text-decoration: none; font-weight: 600; }
        .related-links a:hover { text-decoration: underline; color: #d4a017; }
        .featured-img {
            margin: 2.5rem auto;
            text-align: center;
        }
        .featured-img img {
            border-radius: 10px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
            transition: transform 0.5s ease;
        }
        .featured-img img:hover {
            transform: scale(1.02);
        }
        .img-caption {
            font-style: italic;
            color: #666;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        .interactive-module {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-bottom: 2.5rem;
        }
        .module-title { display: flex; align-items: center; gap: 10px; color: #1a472a; margin-bottom: 1.5rem; font-size: 1.5rem; }
        .module-title i { color: #ffde00; }
        form { display: flex; flex-direction: column; gap: 1.2rem; }
        input, textarea, select {
            padding: 0.9rem;
            border: 2px solid #ddd;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #2d6246;
            box-shadow: 0 0 0 3px rgba(45, 98, 70, 0.2);
        }
        button, .btn {
            background: linear-gradient(to right, #2d6246, #1a472a);
            color: white;
            border: none;
            padding: 1rem 1.8rem;
            border-radius: 6px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
            text-decoration: none;
            display: inline-block;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to right, #3a7d5d, #2d6246);
            transform: translateY(-2px);
            box-shadow: 0 5px 12px rgba(26, 71, 42, 0.3);
        }
        .star-rating {
            direction: rtl;
            display: inline-flex;
            font-size: 2rem;
        }
        .star-rating input { display: none; }
        .star-rating label {
            color: #ddd;
            cursor: pointer;
            padding: 0 3px;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #ffde00;
        }
        aside .widget {
            background: white;
            padding: 1.8rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-bottom: 2rem;
        }
        .widget h3 {
            color: #1a472a;
            font-size: 1.5rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #ffde00;
        }
        .update-time {
            background: #fff8e1;
            padding: 1rem;
            border-radius: 8px;
            font-size: 0.9rem;
            color: #856404;
            text-align: center;
            margin-top: 2rem;
        }
        .site-footer {
            background: #1a472a;
            color: #c5e1c5;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-logo {
            font-family: 'Impact', sans-serif;
            font-size: 2rem;
            color: #ffde00;
            margin-bottom: 1rem;
        }
        .footer-links h4 {
            color: #ffde00;
            margin-bottom: 1.2rem;
            font-size: 1.3rem;
        }
        .footer-links ul { list-style: none; }
        .footer-links li { margin-bottom: 0.7rem; }
        .footer-links a {
            color: #c5e1c5;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-links a:hover { color: #ffde00; }
        friend-link {
            display: block;
            background: #2d6246;
            padding: 1rem;
            border-radius: 6px;
            margin-bottom: 0.8rem;
        }
        friend-link a {
            color: #ffde00;
            font-weight: bold;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #2d6246;
            font-size: 0.9rem;
            color: #8fc9a9;
        }
        @media (max-width: 768px) {
            .header-content { flex-wrap: wrap; }
            .hamburger { display: block; }
            .main-nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #2d6246;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                gap: 0;
                border-top: 1px solid #3a7d5d;
            }
            .main-nav ul li { width: 100%; }
            .main-nav a { display: block; padding: 1rem; border-bottom: 1px solid #3a7d5d; }
            #nav-toggle:checked ~ .main-nav ul { display: flex; }
            .hero h1 { font-size: 2.5rem; }
            .hero p { font-size: 1.1rem; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .content-wrapper { gap: 2rem; }
            main article { padding: 1.5rem; }
        }