:root {
            --primary-green: #7DB46C;
            --secondary-green: #5D9B4F;
            --accent-blue: #6A9EB6;
            --accent-yellow: #F7E987;
            --light-bg: #F9F7F0;
            --dark-text: #2C3E2C;
            --medium-text: #556B55;
            --light-text: #8A9B8A;
            --border-radius: 12px;
            --shadow: 0 4px 12px rgba(45, 60, 45, 0.08);
            --transition: all 0.3s ease;
        }
        * {
            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: var(--dark-text);
            background-color: var(--light-bg);
            max-width: 100vw;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo a {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary-green);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent-yellow);
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .desktop-nav a {
            text-decoration: none;
            color: var(--dark-text);
            font-weight: 600;
            padding: 8px 12px;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .desktop-nav a:hover {
            background-color: var(--primary-green);
            color: white;
        }
        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: var(--primary-green);
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: white;
            padding: 20px;
            box-shadow: var(--shadow);
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav li {
            margin: 15px 0;
        }
        .mobile-nav a {
            text-decoration: none;
            color: var(--dark-text);
            font-weight: 600;
            font-size: 1.1rem;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: var(--medium-text);
        }
        .breadcrumb a {
            color: var(--primary-green);
            text-decoration: none;
        }
        main {
            padding: 30px 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: white;
            padding: 40px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--secondary-green);
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            gap: 20px;
            color: var(--light-text);
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 1px solid #eee;
        }
        h2 {
            font-size: 2rem;
            color: var(--secondary-green);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent-yellow);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--medium-text);
            margin: 30px 0 15px;
        }
        p {
            margin-bottom: 20px;
            color: var(--medium-text);
        }
        .intro-box {
            background-color: #EDF5EA;
            border-left: 5px solid var(--primary-green);
            padding: 25px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin: 30px 0;
        }
        .highlight {
            background-color: var(--accent-yellow);
            padding: 3px 6px;
            border-radius: 4px;
            font-weight: 600;
        }
        .feature-img {
            width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            margin: 30px 0;
            box-shadow: var(--shadow);
        }
        .side-widget {
            background-color: white;
            padding: 25px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin-bottom: 30px;
        }
        .side-widget h3 {
            font-size: 1.4rem;
            margin-top: 0;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: gold;
            margin: 15px 0;
        }
        .rating-form input, .rating-form select, .rating-form textarea {
            width: 100%;
            padding: 12px;
            margin: 10px 0;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-family: inherit;
        }
        .rating-form button {
            background-color: var(--primary-green);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            width: 100%;
            transition: var(--transition);
        }
        .rating-form button:hover {
            background-color: var(--secondary-green);
        }
        .search-widget form {
            display: flex;
        }
        .search-widget input {
            flex-grow: 1;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
        }
        .search-widget button {
            background-color: var(--accent-blue);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
        }
        .comment-section {
            margin-top: 50px;
        }
        .comment {
            background-color: #f8f8f8;
            padding: 20px;
            border-radius: var(--border-radius);
            margin-bottom: 20px;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
        }
        .comment-author {
            font-weight: 600;
            color: var(--secondary-green);
        }
        .longtail-links {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
            margin: 40px 0;
        }
        @media (max-width: 768px) {
            .longtail-links {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        .web-link {
            background-color: white;
            padding: 15px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .web-link a {
            color: var(--medium-text);
            text-decoration: none;
            transition: var(--transition);
        }
        .web-link a:hover {
            color: var(--primary-green);
        }
        footer {
            background-color: var(--dark-text);
            color: white;
            padding: 40px 0 20px;
            text-align: center;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .copyright {
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid var(--medium-text);
            width: 100%;
            color: var(--light-text);
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-nav-toggle {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .article-content {
                padding: 25px;
            }
            .header-container, .breadcrumb, .container {
                padding-left: 15px;
                padding-right: 15px;
            }
        }
        .hover-card {
            transition: var(--transition);
            cursor: pointer;
        }
        .hover-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(45, 60, 45, 0.12);
        }
        .stat-box {
            display: flex;
            align-items: center;
            justify-content: space-around;
            flex-wrap: wrap;
            gap: 20px;
            margin: 30px 0;
            padding: 25px;
            background: linear-gradient(135deg, #EDF5EA, #E3F2FD);
            border-radius: var(--border-radius);
        }
        .stat-item {
            text-align: center;
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--secondary-green);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--medium-text);
        }