* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f8f5f2;
            color: #333;
            line-height: 1.7;
            max-width: 100%;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        h1, h2, h3, h4 {
            color: #2a5c3d;
            margin-bottom: 1rem;
            font-weight: 700;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            border-bottom: 3px solid #e9c46a;
            padding-bottom: 0.5rem;
            margin-top: 1.5rem;
        }
        h2 {
            font-size: 2.2rem;
            margin-top: 2.5rem;
            padding-left: 0.5rem;
            border-left: 5px solid #2a5c3d;
        }
        h3 {
            font-size: 1.8rem;
            margin-top: 2rem;
            color: #4a7c59;
        }
        h4 {
            font-size: 1.4rem;
            margin-top: 1.5rem;
            color: #6d9b7b;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: #555;
            background-color: #f0efe9;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .highlight {
            background-color: #fff9e6;
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            font-weight: 600;
            color: #b8860b;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin-top: 30px;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .site-header {
            background: linear-gradient(135deg, #2a5c3d 0%, #4a7c59 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: #f4a261;
            text-decoration: none;
            font-family: 'Georgia', serif;
            text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
            transition: color 0.3s ease;
        }
        .my-logo:hover {
            color: #e9c46a;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
        }
        .main-nav li {
            margin-left: 1.8rem;
        }
        .main-nav a {
            color: #f0efe9;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 0.5rem 0.8rem;
            border-radius: 5px;
            transition: all 0.3s ease;
        }
        .main-nav a:hover, .main-nav a.active {
            background-color: rgba(233, 196, 106, 0.2);
            color: #e9c46a;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #f0efe9;
            padding: 0.8rem 20px;
            font-size: 0.95rem;
            border-bottom: 1px solid #ddd;
        }
        .breadcrumb a {
            color: #2a5c3d;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .interactive-box {
            background-color: white;
            border-radius: 10px;
            padding: 1.8rem;
            margin-bottom: 2rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            border-top: 5px solid #4a7c59;
        }
        .interactive-box h3 {
            margin-top: 0;
            color: #2a5c3d;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #555;
        }
        .form-control {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus {
            border-color: #4a7c59;
            outline: none;
            box-shadow: 0 0 0 3px rgba(74, 124, 89, 0.2);
        }
        .btn {
            display: inline-block;
            background: linear-gradient(to right, #4a7c59, #2a5c3d);
            color: white;
            padding: 0.8rem 1.8rem;
            border: none;
            border-radius: 6px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .btn:hover {
            background: linear-gradient(to right, #5a8c69, #3a6c4d);
            transform: translateY(-2px);
            box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }
        .star {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #f4a261;
        }
        .sidebar-widget {
            background-color: white;
            border-radius: 10px;
            padding: 1.5rem;
            margin-bottom: 2rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .widget-title {
            font-size: 1.4rem;
            color: #2a5c3d;
            border-bottom: 2px solid #e9c46a;
            padding-bottom: 0.5rem;
            margin-bottom: 1.2rem;
        }
        .link-list {
            list-style: none;
        }
        .link-list li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px dashed #eee;
        }
        .link-list a {
            color: #4a7c59;
            text-decoration: none;
            display: flex;
            align-items: center;
            transition: color 0.3s;
        }
        .link-list a:hover {
            color: #f4a261;
        }
        .link-list i {
            margin-right: 0.8rem;
            color: #b8860b;
        }
        .update-time {
            background-color: #fff9e6;
            padding: 1rem;
            border-radius: 6px;
            font-size: 0.9rem;
            text-align: center;
            color: #b8860b;
            font-weight: 600;
        }
        .article-content img {
            border-radius: 10px;
            margin: 2rem auto;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            border: 5px solid white;
        }
        .article-content img.float-left {
            float: left;
            margin-right: 2rem;
            margin-bottom: 1rem;
            max-width: 50%;
        }
        @media (max-width: 768px) {
            .article-content img.float-left {
                float: none;
                margin-right: 0;
                max-width: 100%;
            }
        }
        blockquote {
            border-left: 5px solid #e9c46a;
            background-color: #f9f7f3;
            padding: 1.5rem 2rem;
            margin: 2rem 0;
            font-style: italic;
            color: #555;
        }
        .info-box {
            background-color: #e9f7ef;
            border-left: 5px solid #2a5c3d;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .site-footer {
            background-color: #2a5c3d;
            color: #f0efe9;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: #e9c46a;
            border-bottom: 2px solid #4a7c59;
            padding-bottom: 0.5rem;
            margin-bottom: 1.5rem;
        }
        .footer-links a {
            color: #ccc;
            display: block;
            margin-bottom: 0.8rem;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: #f4a261;
        }
        friend-link {
            display: inline-block;
            background-color: rgba(233, 196, 106, 0.1);
            color: #e9c46a;
            padding: 0.5rem 1rem;
            margin-right: 1rem;
            margin-bottom: 1rem;
            border-radius: 4px;
            text-decoration: none;
            border: 1px solid #4a7c59;
            transition: all 0.3s;
        }
        friend-link:hover {
            background-color: rgba(233, 196, 106, 0.3);
            transform: translateY(-3px);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #4a7c59;
            font-size: 0.9rem;
            color: #aaa;
            width: 100%;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .header-container { flex-direction: column; align-items: flex-start; }
            .main-nav { width: 100%; margin-top: 1rem; display: none; }
            .main-nav.active { display: block; }
            .main-nav ul { flex-direction: column; }
            .main-nav li { margin: 0; margin-bottom: 0.5rem; }
            .main-nav a { display: block; padding: 0.8rem; }
            .hamburger { display: block; position: absolute; top: 1rem; right: 20px; }
            .breadcrumb { padding-left: 20px; }
        }