:root {
            --primary-green: #58cc02;
            --secondary-green: #1cb0f6;
            --dark-green: #00a400;
            --light-gray: #f5f5f5;
            --medium-gray: #e0e0e0;
            --dark-gray: #424242;
            --text-color: #333333;
            --white: #ffffff;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --border-radius: 12px;
            --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(--text-color);
            background-color: var(--white);
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            color: var(--secondary-green);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--dark-green);
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: var(--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 20px;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary-green);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo:hover {
            text-decoration: none;
            color: var(--dark-green);
        }
        .my-logo i {
            font-size: 2.2rem;
        }
        .main-nav {
            display: flex;
            gap: 25px;
        }
        .main-nav a {
            font-weight: 600;
            color: var(--dark-gray);
        }
        .main-nav a:hover {
            color: var(--primary-green);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: var(--dark-gray);
            cursor: pointer;
        }
        .breadcrumb {
            background-color: var(--light-gray);
            padding: 10px 20px;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--dark-gray);
        }
        .breadcrumb span {
            color: var(--dark-green);
        }
        .content-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 30px auto;
        }
        main {
            background: var(--white);
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        aside {
            background: var(--white);
            padding: 25px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 100px;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--dark-gray);
            margin-bottom: 20px;
            line-height: 1.2;
            border-bottom: 4px solid var(--primary-green);
            padding-bottom: 15px;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-green);
            margin: 35px 0 20px;
            padding-top: 10px;
        }
        h3 {
            font-size: 1.6rem;
            color: var(--secondary-green);
            margin: 25px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--dark-gray);
            margin: 20px 0 10px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
            hyphens: auto;
        }
        strong {
            color: var(--dark-green);
            font-weight: 700;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--dark-gray);
            background: linear-gradient(90deg, var(--light-gray), transparent);
            padding: 20px;
            border-left: 5px solid var(--primary-green);
            margin-bottom: 30px;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .highlight-box {
            background-color: #e8f7e6;
            border-left: 5px solid var(--primary-green);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .article-image {
            width: 100%;
            max-height: 450px;
            object-fit: cover;
            border-radius: var(--border-radius);
            margin: 25px 0;
            box-shadow: var(--shadow);
            display: block;
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--dark-gray);
            margin-top: -15px;
            margin-bottom: 25px;
            font-size: 0.95rem;
        }
        ul, ol {
            margin-left: 30px;
            margin-bottom: 20px;
        }
        li {
            margin-bottom: 8px;
        }
        .search-module, .comment-module, .rating-module {
            background: var(--light-gray);
            padding: 25px;
            border-radius: var(--border-radius);
            margin: 30px 0;
        }
        .module-title {
            font-size: 1.5rem;
            color: var(--dark-gray);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .module-title i {
            color: var(--primary-green);
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        input, textarea, select {
            padding: 12px 15px;
            border: 2px solid var(--medium-gray);
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary-green);
        }
        button, .btn {
            background: linear-gradient(to right, var(--primary-green), var(--secondary-green));
            color: white;
            border: none;
            padding: 14px 25px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
            display: inline-block;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to right, var(--dark-green), var(--primary-green));
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(0, 164, 0, 0.2);
            text-decoration: none;
        }
        .stars {
            display: flex;
            gap: 10px;
            margin: 15px 0;
        }
        .star {
            font-size: 2rem;
            color: var(--medium-gray);
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: gold;
        }
        .sidebar-widget {
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--medium-gray);
        }
        .sidebar-widget:last-child {
            border-bottom: none;
        }
        .widget-title {
            font-size: 1.3rem;
            color: var(--dark-gray);
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary-green);
        }
        .link-list a {
            display: block;
            padding: 10px 15px;
            margin-bottom: 8px;
            background: var(--light-gray);
            border-radius: 8px;
            color: var(--dark-gray);
        }
        .link-list a:hover {
            background: var(--primary-green);
            color: white;
            transform: translateX(5px);
        }
        .update-time {
            font-size: 0.9rem;
            color: var(--dark-gray);
            background: var(--light-gray);
            padding: 10px;
            border-radius: 8px;
            text-align: center;
            margin-top: 20px;
        }
        footer {
            background-color: var(--dark-gray);
            color: var(--white);
            padding: 40px 20px 20px;
            margin-top: 50px;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
            margin-bottom: 30px;
        }
        .footer-col {
            flex: 1;
            min-width: 250px;
        }
        .footer-col h3 {
            color: var(--white);
            font-size: 1.4rem;
            margin-bottom: 20px;
        }
        friend-link {
            display: inline-block;
            background: rgba(255,255,255,0.1);
            padding: 8px 15px;
            margin: 5px;
            border-radius: 6px;
            color: #ddd;
        }
        friend-link:hover {
            background: var(--primary-green);
            color: white;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 992px) {
            .content-layout {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
            h1 {
                font-size: 2.4rem;
            }
            h2 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--white);
                box-shadow: var(--shadow);
                padding: 20px;
                z-index: 999;
            }
            .main-nav.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .header-container {
                padding: 15px;
            }
            main, aside {
                padding: 20px;
            }
            .footer-container {
                flex-direction: column;
                gap: 30px;
            }
        }