        * {
            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;
        }
        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 1rem;
            color: #0d3b2a;
        }
        h1 {
            font-size: 2.8rem;
            margin-top: 2rem;
            text-align: center;
            border-bottom: 4px solid #28a745;
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2.2rem;
            margin-top: 3rem;
            padding-left: 1rem;
            border-left: 5px solid #28a745;
        }
        h3 {
            font-size: 1.8rem;
            margin-top: 2.5rem;
            color: #1e6b45;
        }
        h4 {
            font-size: 1.5rem;
            margin-top: 2rem;
            color: #2e8b57;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        a {
            color: #1e6b45;
            text-decoration: none;
            transition: color 0.3s ease, background-color 0.3s ease;
            border-bottom: 1px dotted transparent;
        }
        a:hover {
            color: #134029;
            border-bottom: 1px dotted #134029;
            background-color: rgba(40, 167, 69, 0.05);
        }
        strong {
            font-weight: 700;
            color: #0d3b2a;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0d3b2a 0%, #1e6b45 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: 2.2rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        .my-logo i {
            color: #ffcc00;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            border-bottom: none;
        }
        .main-nav a:hover {
            background-color: rgba(255, 255, 255, 0.15);
            color: #ffcc00;
            border-bottom: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .breadcrumb {
            background-color: #e9f5eb;
            padding: 1rem 0;
            margin-bottom: 2rem;
            border-bottom: 1px solid #cce7d3;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb a {
            color: #1e6b45;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "/";
            margin-left: 0.5rem;
            color: #888;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #eee;
            font-size: 0.95rem;
            color: #666;
        }
        .update-time {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: #28a745;
            font-weight: 600;
        }
        .feature-image {
            width: 100%;
            height: auto;
            max-height: 500px;
            object-fit: cover;
            border-radius: 8px;
            margin: 2rem 0;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            transition: transform 0.5s ease;
        }
        .feature-image:hover {
            transform: scale(1.005);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background-color: white;
            padding: 1.8rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .widget h3 {
            font-size: 1.5rem;
            margin-top: 0;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid #eee;
            color: #0d3b2a;
        }
        .search-form {
            display: flex;
            margin-top: 1rem;
        }
        .search-form input {
            flex-grow: 1;
            padding: 0.8rem 1rem;
            border: 1px solid #cce7d3;
            border-radius: 6px 0 0 6px;
            font-size: 1rem;
        }
        .search-form button {
            background-color: #28a745;
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }
        .search-form button:hover {
            background-color: #1e6b45;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #ffcc00;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars i {
            transition: transform 0.2s ease;
            margin: 0 2px;
        }
        .stars i:hover {
            transform: scale(1.3);
        }
        .rating-form button {
            background-color: #0d3b2a;
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            transition: background-color 0.3s ease;
            width: 100%;
            margin-top: 1rem;
        }
        .rating-form button:hover {
            background-color: #1e6b45;
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 1px solid #cce7d3;
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
            margin-top: 1rem;
            resize: vertical;
            min-height: 150px;
        }
        .comment-form button {
            background-color: #1e6b45;
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            transition: background-color 0.3s ease;
            width: 100%;
            margin-top: 1rem;
        }
        .comment-form button:hover {
            background-color: #134029;
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-left: 1.5rem;
            position: relative;
        }
        .related-links li::before {
            content: "▶";
            position: absolute;
            left: 0;
            color: #28a745;
            font-size: 0.8rem;
        }
        .section-highlight {
            background-color: #f0f9f3;
            border-left: 5px solid #28a745;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .tip-box {
            background-color: #fff8e1;
            border: 1px solid #ffcc00;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
            position: relative;
        }
        .tip-box::before {
            content: "💡";
            position: absolute;
            top: -15px;
            left: 20px;
            background: white;
            padding: 0 10px;
            font-size: 1.5rem;
        }
        .site-footer {
            background: linear-gradient(135deg, #0d3b2a 0%, #1e6b45 100%);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .footer-links {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 2rem;
        }
        .footer-section h4 {
            color: #ffcc00;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-section ul {
            list-style: none;
        }
        .footer-section li {
            margin-bottom: 0.8rem;
        }
        .footer-section a {
            color: #e0e0e0;
            border-bottom: none;
        }
        .footer-section a:hover {
            color: #ffcc00;
        }
        friend-link {
            display: block;
            margin: 1.5rem 0;
            padding: 1rem;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 6px;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #b0b0b0;
            font-size: 0.95rem;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                margin-top: 1rem;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                width: 100%;
            }
            .main-nav a {
                display: block;
                padding: 1rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
            .article-content {
                padding: 1.5rem;
            }
            .footer-links {
                flex-direction: column;
                gap: 2rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .article-content, .widget {
            animation: fadeIn 0.8s ease-out;
        }
        .pulse {
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .text-center {
            text-align: center;
        }
        .mb-3 {
            margin-bottom: 3rem;
        }
        .mt-3 {
            margin-top: 3rem;
        }
        .highlight {
            background-color: #fff8e1;
            padding: 2px 6px;
            border-radius: 3px;
        }
