:root {
            --primary-color: #2E8B57;
            --secondary-color: #FF6B6B;
            --accent-color: #4ECDC4;
            --dark-color: #1A535C;
            --light-color: #F7FFF7;
            --gray-color: #6C757D;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background-color: var(--light-color);
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-color);
        }
        .site-header {
            background: linear-gradient(135deg, var(--dark-color), var(--primary-color));
            color: white;
            padding: 1.5rem 0;
            border-bottom-left-radius: 20px;
            border-bottom-right-radius: 20px;
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
        }
        .header-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 0 1rem;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: 1px;
        }
        .logo a {
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-icon {
            color: var(--accent-color);
            font-size: 2.2rem;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .main-nav {
            display: flex;
            gap: 1.8rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 5px;
            position: relative;
        }
        .main-nav a:hover {
            background-color: rgba(255, 255, 255, 0.15);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background-color: var(--accent-color);
            transition: var(--transition);
        }
        .main-nav a:hover::after {
            width: 80%;
        }
        .breadcrumb {
            padding: 1rem 2rem;
            background-color: #e9f5eb;
            border-radius: 10px;
            margin: 1.5rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--gray-color);
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
        }
        .breadcrumb span {
            color: var(--gray-color);
            margin: 0 8px;
        }
        .search-section {
            background-color: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: var(--shadow);
            margin: 2rem 0;
            text-align: center;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 1.5rem auto 0;
        }
        .search-input {
            flex-grow: 1;
            padding: 15px 20px;
            border: 2px solid var(--primary-color);
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
        }
        .search-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 30px;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: var(--dark-color);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
        }
        article {
            background-color: white;
            border-radius: 20px;
            padding: 2.5rem;
            box-shadow: var(--shadow);
        }
        h1 {
            color: var(--dark-color);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.3;
            border-left: 6px solid var(--secondary-color);
            padding-left: 20px;
        }
        h2 {
            color: var(--primary-color);
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 10px;
            border-bottom: 2px dashed var(--accent-color);
        }
        h3 {
            color: var(--dark-color);
            font-size: 1.5rem;
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: var(--dark-color);
            font-weight: 500;
            background-color: #f0f9f4;
            padding: 1.5rem;
            border-radius: 12px;
            border-left: 5px solid var(--accent-color);
        }
        .highlight {
            background-color: #fff9e6;
            padding: 2rem;
            border-radius: 12px;
            border: 1px solid #ffeb99;
            margin: 2rem 0;
        }
        .info-box {
            background-color: #e6f7ff;
            border-left: 5px solid #1890ff;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 12px 12px 0;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.8rem;
        }
        .keyword-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin: 2rem 0;
            padding: 1.5rem;
            background-color: #f8f9fa;
            border-radius: 12px;
        }
        .keyword-link {
            background-color: white;
            padding: 10px 20px;
            border-radius: 50px;
            box-shadow: 0 3px 6px rgba(0,0,0,0.08);
            font-weight: 600;
            border: 1px solid #eaeaea;
        }
        .keyword-link:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0,0,0,0.12);
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 15px;
            margin: 2rem auto;
            display: block;
            box-shadow: var(--shadow);
        }
        .schedule-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            box-shadow: var(--shadow);
            border-radius: 10px;
            overflow: hidden;
        }
        .schedule-table th {
            background-color: var(--dark-color);
            color: white;
            padding: 18px 15px;
            text-align: left;
        }
        .schedule-table td {
            padding: 15px;
            border-bottom: 1px solid #eee;
        }
        .schedule-table tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        .schedule-table tr:hover {
            background-color: #f0f7ff;
        }
        .user-interaction {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .interaction-box {
            background-color: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: var(--shadow);
        }
        .interaction-box h3 {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--primary-color);
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            margin: 1rem 0;
            font-size: 1.8rem;
            color: #FFD700;
        }
        .star {
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover {
            transform: scale(1.2);
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--primary-color);
            outline: none;
            box-shadow: 0 0 0 3px rgba(46, 139, 87, 0.2);
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 14px 30px;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
            transition: var(--transition);
            width: 100%;
        }
        .submit-btn:hover {
            background-color: var(--dark-color);
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
        }
        .site-footer {
            background-color: var(--dark-color);
            color: white;
            padding: 3rem 2rem;
            border-top-left-radius: 20px;
            border-top-right-radius: 20px;
            margin-top: 4rem;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            margin: 2rem 0;
        }
        friend-link {
            display: inline-block;
            background-color: rgba(255, 255, 255, 0.1);
            padding: 12px 25px;
            border-radius: 8px;
            transition: var(--transition);
        }
        friend-link:hover {
            background-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-5px);
        }
        friend-link a {
            color: white;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.8);
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.8rem; }
            .header-container { flex-direction: column; align-items: flex-start; }
            .main-nav { flex-wrap: wrap; margin-top: 1.5rem; }
        }
        @media (max-width: 768px) {
            body { padding: 0 10px; }
            .mobile-toggle { display: block; }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 1.5rem;
            }
            .main-nav.active {
                display: flex;
            }
            .article { padding: 1.5rem; }
            .search-form { flex-direction: column; }
            .search-input { border-radius: 50px; margin-bottom: 10px; }
            .search-btn { border-radius: 50px; padding: 15px; }
            .user-interaction { grid-template-columns: 1fr; }
            .friend-links { flex-direction: column; align-items: center; }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            .logo { font-size: 1.5rem; }
            .schedule-table { font-size: 0.9rem; }
            .schedule-table th, .schedule-table td { padding: 10px 8px; }
        }
        @media print {
            .site-header, .search-section, .user-interaction, .site-footer { display: none; }
            body { max-width: 100%; padding: 0; }
            article { box-shadow: none; padding: 0; }
        }