* { 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: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            background-attachment: fixed;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .site-header {
            background: linear-gradient(90deg, #1a472a 0%, #2a623d 100%);
            color: white;
            padding: 1rem 2rem;
            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;
            max-width: 1400px;
            margin: 0 auto;
            width: 100%;
        }
        .my-logo {
            font-family: 'Georgia', serif;
            font-size: 2.2rem;
            font-weight: bold;
            color: #FFD700;
            text-decoration: none;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
            transition: transform 0.3s ease, color 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.05);
            color: #fff;
        }
        .breadcrumb {
            padding: 0.8rem 2rem;
            background-color: #e9f5eb;
            font-size: 0.9rem;
            border-bottom: 1px solid #cce1d2;
        }
        .breadcrumb a {
            color: #2a623d;
            text-decoration: none;
        }
        .breadcrumb a:hover { text-decoration: underline; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
            transition: background-color 0.3s, color 0.3s;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: rgba(255, 255, 255, 0.2);
            color: #FFD700;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .search-container {
            background-color: #fff;
            padding: 2rem;
            margin: 2rem auto;
            max-width: 800px;
            border-radius: 12px;
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
        }
        .search-form input {
            flex: 1;
            padding: 1rem;
            border: 2px solid #2a623d;
            border-radius: 8px;
            font-size: 1.1rem;
        }
        .search-form button {
            padding: 0 1.8rem;
            background-color: #2a623d;
            color: white;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1.1rem;
            transition: background-color 0.3s;
        }
        .search-form button:hover { background-color: #1a472a; }
        .main-content {
            flex: 1;
            max-width: 1400px;
            margin: 0 auto;
            padding: 2rem;
            width: 100%;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 1024px) {
            .main-content { grid-template-columns: 1fr; }
        }
        .article-content {
            background-color: white;
            padding: 3rem;
            border-radius: 16px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
        }
        h1 { color: #1a472a; font-size: 2.8rem; margin-bottom: 1.5rem; border-bottom: 3px solid #FFD700; padding-bottom: 0.5rem; }
        h2 { color: #2a623d; font-size: 2.2rem; margin: 2.5rem 0 1rem; padding-left: 0.5rem; border-left: 5px solid #FFD700; }
        h3 { color: #3a7d4f; font-size: 1.8rem; margin: 2rem 0 1rem; }
        h4 { color: #4a9760; font-size: 1.4rem; margin: 1.5rem 0 0.8rem; }
        p { margin-bottom: 1.5rem; font-size: 1.1rem; }
        .intro { font-size: 1.3rem; color: #555; font-weight: 300; background-color: #f9fff9; padding: 1.5rem; border-radius: 10px; border-left: 5px solid #4a9760; margin-bottom: 2.5rem; }
        .highlight { background-color: #fff9e6; padding: 1.5rem; border-radius: 10px; border: 1px dashed #FFD700; margin: 2rem 0; }
        em { color: #d35400; font-style: italic; }
        strong { color: #1a472a; }
        .content-link {
            color: #2980b9;
            text-decoration: none;
            border-bottom: 1px dotted #2980b9;
            transition: color 0.2s, border-bottom 0.2s;
        }
        .content-link:hover {
            color: #1a5276;
            border-bottom: 2px solid #1a5276;
        }
        .featured-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 12px;
            margin: 2rem auto;
            display: block;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
            transition: transform 0.5s ease;
        }
        .featured-image:hover { transform: scale(1.01); }
        .sidebar {
            background-color: white;
            padding: 2rem;
            border-radius: 16px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar h3 { color: #2a623d; font-size: 1.5rem; margin-top: 0; }
        .sidebar ul { list-style: none; padding-left: 0; }
        .sidebar li { margin-bottom: 0.8rem; }
        .sidebar a { color: #3a7d4f; text-decoration: none; transition: color 0.2s; }
        .sidebar a:hover { color: #1a472a; text-decoration: underline; }
        .interaction-section {
            margin: 4rem 0;
            padding: 2.5rem;
            background-color: #f8fdf9;
            border-radius: 16px;
            border: 1px solid #d4ecd9;
        }
        .form-group { margin-bottom: 1.5rem; }
        .form-group label { display: block; margin-bottom: 0.5rem; font-weight: 600; color: #2a623d; }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.9rem;
            border: 1px solid #bdc3c7;
            border-radius: 8px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #2a623d;
            box-shadow: 0 0 0 3px rgba(42, 98, 61, 0.1);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
        }
        .rating-stars .star:hover,
        .rating-stars .star.active { color: #FFD700; }
        .btn-submit {
            background: linear-gradient(to right, #2a623d, #3a7d4f);
            color: white;
            border: none;
            padding: 1rem 2.5rem;
            font-size: 1.1rem;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .btn-submit:hover {
            background: linear-gradient(to right, #1a472a, #2a623d);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(42, 98, 61, 0.3);
        }
        .site-footer {
            background-color: #1a472a;
            color: #ecf0f1;
            padding: 3rem 2rem 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }
        .footer-logo {
            font-size: 2rem;
            color: #FFD700;
            font-weight: bold;
            margin-bottom: 1rem;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin: 1rem 0;
        }
        .friend-links a {
            color: #a3e4b9;
            text-decoration: none;
            padding: 0.3rem 0.8rem;
            border: 1px solid #2a623d;
            border-radius: 20px;
            transition: all 0.3s;
        }
        .friend-links a:hover {
            background-color: #2a623d;
            color: white;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #2a623d;
            color: #bdc3c7;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-container { flex-wrap: wrap; }
            .hamburger { display: block; }
            .main-nav {
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.5s ease;
            }
            .main-nav.active { max-height: 300px; margin-top: 1rem; }
            .main-nav ul { flex-direction: column; gap: 0; }
            .main-nav li { width: 100%; }
            .main-nav a { display: block; padding: 0.8rem; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .article-content, .sidebar { padding: 1.5rem; }
            .main-content { padding: 1rem; gap: 2rem; }
        }