:root {
            --primary: #4a6fa5;
            --secondary: #ff9e5d;
            --accent: #6bc46b;
            --dark: #2c3e50;
            --light: #f8f9fa;
            --text: #333;
            --text-light: #666;
            --shadow: rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
            --border-radius: 12px;
            --container-width: 1200px;
        }
        * {
            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);
            background-color: #fff;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: #fff;
            box-shadow: 0 4px 12px var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 0;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            text-decoration: none;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
        }
        .logo-icon {
            color: var(--secondary);
            margin-right: 10px;
            font-size: 2.5rem;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        .nav-links li {
            margin-left: 32px;
        }
        .nav-links a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 600;
            font-size: 1.05rem;
            transition: var(--transition);
            position: relative;
            padding: 5px 0;
        }
        .nav-links a:hover {
            color: var(--primary);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--secondary);
            transition: width 0.3s ease;
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .search-box {
            display: flex;
            margin-left: 30px;
            border: 1px solid #ddd;
            border-radius: 50px;
            overflow: hidden;
            padding: 6px;
            background: white;
        }
        .search-box input {
            border: none;
            padding: 8px 15px;
            width: 220px;
            outline: none;
            font-size: 1rem;
        }
        .search-box button {
            background-color: var(--primary);
            border: none;
            color: white;
            padding: 8px 18px;
            border-radius: 50px;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: var(--dark);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: var(--dark);
            cursor: pointer;
            background: none;
            border: none;
        }
        .breadcrumb {
            background-color: #f1f5f9;
            padding: 14px 0;
            margin-bottom: 30px;
        }
        .breadcrumb .container {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            margin: 0 10px;
            color: var(--text-light);
        }
        .breadcrumb .current {
            color: var(--text-light);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 350px;
            gap: 40px;
            padding: 30px 0 60px;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: white;
            border-radius: var(--border-radius);
            overflow: hidden;
        }
        .article-header {
            margin-bottom: 40px;
        }
        .article-header h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            color: var(--dark);
            margin-bottom: 20px;
        }
        .meta {
            display: flex;
            align-items: center;
            color: var(--text-light);
            font-size: 0.95rem;
            margin-bottom: 25px;
        }
        .meta i {
            margin-right: 8px;
            color: var(--primary);
        }
        .meta span {
            margin-right: 25px;
        }
        .featured-image {
            width: 100%;
            height: 500px;
            object-fit: cover;
            border-radius: var(--border-radius);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            margin-bottom: 30px;
            transition: transform 0.5s ease;
        }
        .featured-image:hover {
            transform: scale(1.01);
        }
        .content-section {
            margin-bottom: 50px;
        }
        h2 {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 3px solid var(--secondary);
        }
        h3 {
            font-size: 1.7rem;
            color: var(--dark);
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--dark);
            margin: 20px 0 10px;
        }
        p {
            margin-bottom: 22px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fff9e6;
            border-left: 5px solid var(--secondary);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .highlight p {
            margin-bottom: 0;
            font-style: italic;
            color: var(--dark);
        }
        ul, ol {
            margin-left: 25px;
            margin-bottom: 25px;
        }
        li {
            margin-bottom: 10px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
            margin: 35px 0;
        }
        .stat-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 25px;
            box-shadow: 0 5px 15px var(--shadow);
            text-align: center;
            border-top: 5px solid var(--accent);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 10px;
        }
        .stat-desc {
            color: var(--text-light);
            font-weight: 500;
        }
        .interview {
            background-color: #f0f7ff;
            padding: 30px;
            border-radius: var(--border-radius);
            margin: 40px 0;
            border: 1px dashed var(--primary);
        }
        .interviewee {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
        }
        .interviewee-img {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            object-fit: cover;
            margin-right: 20px;
            border: 3px solid var(--secondary);
        }
        .interviewee-info h4 {
            margin: 0 0 5px;
        }
        .interviewee-info p {
            color: var(--text-light);
            margin: 0;
            font-size: 1rem;
        }
        aside {
            background-color: #f8fafc;
            border-radius: var(--border-radius);
            padding: 30px;
            align-self: start;
            position: sticky;
            top: 120px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.03);
        }
        .sidebar-widget {
            margin-bottom: 40px;
        }
        .sidebar-widget h3 {
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #e2e8f0;
        }
        .widget-links {
            list-style: none;
            margin-left: 0;
        }
        .widget-links li {
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px dotted #ddd;
        }
        .widget-links a {
            color: var(--text);
            text-decoration: none;
            display: flex;
            align-items: center;
            transition: var(--transition);
        }
        .widget-links a:hover {
            color: var(--primary);
            padding-left: 8px;
        }
        .widget-links i {
            color: var(--accent);
            margin-right: 12px;
            font-size: 0.9rem;
        }
        .rating-widget {
            text-align: center;
            padding: 25px;
            background: white;
            border-radius: var(--border-radius);
            box-shadow: 0 8px 20px rgba(0,0,0,0.05);
        }
        .stars {
            margin: 20px 0;
            font-size: 2.2rem;
            color: #ffc107;
        }
        .stars i {
            cursor: pointer;
            transition: var(--transition);
            margin: 0 3px;
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        #rating-value {
            font-size: 1.8rem;
            font-weight: bold;
            color: var(--dark);
        }
        .rating-form {
            margin-top: 20px;
        }
        .rating-form select, .rating-form textarea {
            width: 100%;
            padding: 12px;
            margin-bottom: 15px;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
        }
        .rating-form button {
            background-color: var(--accent);
            color: white;
            border: none;
            padding: 14px 25px;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            width: 100%;
            transition: var(--transition);
            font-size: 1.1rem;
        }
        .rating-form button:hover {
            background-color: var(--primary);
        }
        .comments-section {
            background: white;
            border-radius: var(--border-radius);
            padding: 35px;
            margin-top: 50px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.03);
        }
        .comment-form {
            margin-bottom: 50px;
        }
        .form-group {
            margin-bottom: 25px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--dark);
        }
        .form-group input, .form-group textarea {
            width: 100%;
            padding: 15px;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus, .form-group textarea:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(74, 111, 165, 0.2);
        }
        .submit-btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 16px 35px;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            font-size: 1.1rem;
        }
        .submit-btn:hover {
            background-color: var(--dark);
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(0,0,0,0.1);
        }
        .comment {
            border-bottom: 1px solid #eee;
            padding: 25px 0;
            display: flex;
        }
        .comment-avatar {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background-color: #e2e8f0;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 20px;
            color: var(--primary);
            font-size: 1.5rem;
            flex-shrink: 0;
        }
        .comment-content h5 {
            font-size: 1.2rem;
            margin-bottom: 5px;
            color: var(--dark);
        }
        .comment-meta {
            color: var(--text-light);
            font-size: 0.9rem;
            margin-bottom: 12px;
        }
        .long-tail-links {
            background: linear-gradient(to right, #f8fafc, #fff);
            padding: 50px 0 30px;
            border-top: 1px solid #e2e8f0;
            border-bottom: 1px solid #e2e8f0;
        }
        .web-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }
        .web-link {
            background: white;
            padding: 18px 22px;
            border-radius: 10px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.03);
            border-left: 4px solid var(--accent);
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateX(8px);
            box-shadow: 0 6px 15px rgba(0,0,0,0.08);
        }
        .web-link a {
            color: var(--dark);
            text-decoration: none;
            font-weight: 500;
            display: block;
            transition: var(--transition);
        }
        .web-link a:hover {
            color: var(--primary);
        }
        footer {
            background-color: var(--dark);
            color: #b0b7c3;
            padding: 60px 0 30px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-col h4 {
            color: white;
            font-size: 1.3rem;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 12px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 50px;
            height: 3px;
            background-color: var(--secondary);
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 15px;
        }
        .footer-links a {
            color: #b0b7c3;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: white;
            padding-left: 8px;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #3a4658;
            font-size: 0.95rem;
            color: #8a94a6;
        }
        @media (max-width: 768px) {
            .nav-links, .search-box {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .header-container {
                padding: 15px 0;
            }
            .logo a {
                font-size: 1.8rem;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .featured-image {
                height: 300px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .breadcrumb .container {
                font-size: 0.9rem;
            }
            .comment {
                flex-direction: column;
            }
            .comment-avatar {
                margin-bottom: 15px;
            }
        }
        .mobile-menu {
            position: fixed;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100vh;
            background-color: rgba(0,0,0,0.95);
            z-index: 9999;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            transition: left 0.5s ease;
        }
        .mobile-menu.active {
            left: 0;
        }
        .mobile-menu .close-menu {
            position: absolute;
            top: 30px;
            right: 30px;
            color: white;
            font-size: 2.5rem;
            background: none;
            border: none;
            cursor: pointer;
        }
        .mobile-nav-links {
            list-style: none;
            text-align: center;
        }
        .mobile-nav-links li {
            margin: 25px 0;
        }
        .mobile-nav-links a {
            color: white;
            text-decoration: none;
            font-size: 1.8rem;
            font-weight: 600;
            transition: var(--transition);
        }
        .mobile-nav-links a:hover {
            color: var(--secondary);
        }
        .mobile-search {
            margin-top: 40px;
            display: flex;
            width: 90%;
            max-width: 400px;
        }
        .mobile-search input {
            flex-grow: 1;
            padding: 15px;
            border: none;
            border-radius: 50px 0 0 50px;
            font-size: 1.1rem;
        }
        .mobile-search button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 15px 25px;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
        }