* { margin: 0; padding: 0; box-sizing: border-box; }
        :root {
            --primary-color: #58CC02; 
            --secondary-color: #1CB0F6;
            --accent-color: #FF4B4B;
            --dark-color: #2C2C2C;
            --light-color: #F8F9FA;
            --text-color: #333;
            --text-light: #666;
            --border-color: #E0E0E0;
            --shadow: 0 4px 12px rgba(0,0,0,0.08);
            --radius: 12px;
            --transition: all 0.3s ease;
            --max-width: 1280px;
        }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: var(--light-color);
            padding-top: 80px; 
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary-color); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--secondary-color); }
        ul, ol { padding-left: 1.5rem; margin-bottom: 1.5rem; }
        li { margin-bottom: 0.5rem; }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: white;
            box-shadow: var(--shadow);
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i { color: var(--secondary-color); }
        .my-logo:hover { color: var(--dark-color); }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
        }
        .nav-desktop a {
            font-weight: 600;
            color: var(--dark-color);
            padding: 5px 0;
            border-bottom: 3px solid transparent;
        }
        .nav-desktop a:hover,
        .nav-desktop a.active {
            border-bottom-color: var(--primary-color);
            color: var(--primary-color);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: var(--dark-color);
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
        }
        .mobile-nav {
            position: fixed;
            top: 80px;
            left: 0;
            width: 100%;
            background: white;
            padding: 20px;
            box-shadow: var(--shadow);
            transform: translateY(-150%);
            opacity: 0;
            transition: transform 0.4s ease, opacity 0.3s ease;
            z-index: 999;
        }
        .mobile-nav.active {
            transform: translateY(0);
            opacity: 1;
        }
        .mobile-nav a {
            display: block;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
            font-weight: 600;
            color: var(--dark-color);
        }
        .mobile-nav a:hover { color: var(--primary-color); }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: var(--text-light);
            background-color: #f5f5f5;
            margin-bottom: 30px;
        }
        .breadcrumb a { color: var(--text-light); }
        .breadcrumb a:hover { color: var(--primary-color); }
        .breadcrumb span { margin: 0 8px; }
        main { padding: 40px 0; }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-grid { grid-template-columns: 1fr; }
        }
        article { background: white; border-radius: var(--radius); padding: 40px; box-shadow: var(--shadow); }
        .article-header { margin-bottom: 40px; }
        .article-header h1 {
            font-size: 2.8rem;
            color: var(--dark-color);
            margin-bottom: 15px;
            line-height: 1.2;
        }
        @media (max-width: 768px) {
            .article-header h1 { font-size: 2.2rem; }
        }
        .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            color: var(--text-light);
            font-size: 0.95rem;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 20px;
            margin-bottom: 30px;
        }
        .meta i { margin-right: 8px; }
        .lead {
            font-size: 1.3rem;
            color: var(--dark-color);
            font-weight: 600;
            margin-bottom: 30px;
            padding-left: 20px;
            border-left: 5px solid var(--primary-color);
        }
        section { margin-bottom: 40px; }
        h2 {
            font-size: 2rem;
            color: var(--dark-color);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary-color);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--dark-color);
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--text-color);
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background-color: #f0f9ff;
            border-left: 4px solid var(--secondary-color);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .tip-box {
            background-color: #f0fff0;
            border: 1px solid var(--primary-color);
            padding: 20px;
            border-radius: var(--radius);
            margin: 25px 0;
        }
        .tip-box h4 { color: var(--primary-color); margin-top: 0; }
        .img-container {
            margin: 30px auto;
            text-align: center;
        }
        .img-container img {
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin: 0 auto 10px;
        }
        .caption {
            font-style: italic;
            color: var(--text-light);
            font-size: 0.9rem;
            text-align: center;
        }
        .keyword-link {
            font-weight: 600;
            color: var(--dark-color);
            border-bottom: 1px dashed var(--secondary-color);
        }
        .keyword-link:hover {
            color: var(--secondary-color);
            border-bottom-style: solid;
        }
        aside { position: sticky; top: 100px; align-self: start; }
        .sidebar-widget {
            background: white;
            border-radius: var(--radius);
            padding: 25px;
            margin-bottom: 30px;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            margin-top: 0;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-color);
        }
        .search-form input,
        .comment-form input,
        .comment-form textarea,
        .rating-form select {
            width: 100%;
            padding: 12px 15px;
            margin-bottom: 15px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-family: inherit;
            transition: var(--transition);
        }
        .search-form input:focus,
        .comment-form input:focus,
        .comment-form textarea:focus,
        .rating-form select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(88, 204, 2, 0.1);
        }
        .btn {
            display: inline-block;
            background: var(--primary-color);
            color: white;
            padding: 14px 28px;
            border: none;
            border-radius: 8px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
            width: 100%;
        }
        .btn:hover {
            background: #4bb302;
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(88, 204, 2, 0.2);
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin: 20px 0;
            font-size: 1.8rem;
            color: #FFD700;
        }
        .star-rating i { cursor: pointer; transition: var(--transition); }
        .star-rating i:hover { transform: scale(1.2); }
        footer {
            background-color: var(--dark-color);
            color: white;
            padding: 60px 0 30px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin-bottom: 10px;
            color: #ccc;
        }
        friend-link:hover {
            color: var(--primary-color);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        .copyright a { color: #ccc; }
        .copyright a:hover { color: white; }
        .text-bold { font-weight: 700; }
        .text-primary { color: var(--primary-color); }
        .text-center { text-align: center; }
        .emoji { font-size: 1.2em; margin: 0 3px; }
        .hidden { display: none; }