:root {
            --primary-color: #3a0ca3;
            --secondary-color: #4361ee;
            --accent-color: #f72585;
            --light-color: #f8f9fa;
            --dark-color: #212529;
            --text-color: #333;
            --border-color: #dee2e6;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
            --border-radius: 12px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: #fefefe;
            overflow-x: hidden;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 1rem 2rem;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1.5rem;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: white;
        }
        .logo-icon {
            font-size: 2.8rem;
            filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
        }
        .logo-text {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        .logo-text span {
            color: #ffd166;
        }
        .search-form {
            flex-grow: 1;
            max-width: 500px;
            margin: 0 1.5rem;
        }
        .search-container {
            position: relative;
            display: flex;
        }
        .search-input {
            width: 100%;
            padding: 14px 20px;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            background: rgba(255, 255, 255, 0.95);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
            transition: var(--transition);
        }
        .search-input:focus {
            outline: none;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            background: white;
        }
        .search-button {
            position: absolute;
            right: 8px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--accent-color);
            color: white;
            border: none;
            border-radius: 50%;
            width: 46px;
            height: 46px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .search-button:hover {
            background: #e11570;
            transform: translateY(-50%) scale(1.05);
        }
        .main-nav {
            display: flex;
            gap: 1.8rem;
        }
        .nav-link {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 16px;
            border-radius: 30px;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-link:hover, .nav-link.active {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        .nav-link i {
            font-size: 1.2rem;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 2rem;
            cursor: pointer;
            padding: 5px;
        }
        .breadcrumb {
            background: var(--light-color);
            padding: 1rem 2rem;
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb-list {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            list-style: none;
        }
        .breadcrumb-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
        }
        .breadcrumb-item a {
            color: var(--secondary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        .breadcrumb-item a:hover {
            color: var(--accent-color);
            text-decoration: underline;
        }
        .breadcrumb-item i {
            font-size: 0.8rem;
            color: #888;
        }
        .main-container {
            max-width: 1400px;
            margin: 3rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 3rem;
        }
        .content-area {
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            padding: 3rem;
            overflow: hidden;
        }
        .article-header {
            margin-bottom: 3rem;
            padding-bottom: 2rem;
            border-bottom: 3px solid var(--light-color);
        }
        .article-title {
            font-size: 2.8rem;
            color: var(--primary-color);
            line-height: 1.3;
            margin-bottom: 1.5rem;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            color: #666;
            font-size: 0.95rem;
            align-items: center;
        }
        .meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .meta-item i {
            color: var(--secondary-color);
        }
        .content-section {
            margin-bottom: 3.5rem;
        }
        .section-title {
            font-size: 2rem;
            color: var(--secondary-color);
            margin-bottom: 1.5rem;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid var(--light-color);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .section-title i {
            color: var(--accent-color);
        }
        .content-text {
            font-size: 1.15rem;
            line-height: 1.9;
            margin-bottom: 1.8rem;
            text-align: justify;
        }
        .highlight {
            background: linear-gradient(120deg, rgba(247, 37, 133, 0.15) 0%, rgba(67, 97, 238, 0.15) 100%);
            padding: 1.8rem;
            border-radius: var(--border-radius);
            border-left: 5px solid var(--accent-color);
            margin: 2.5rem 0;
        }
        .highlight h3 {
            color: var(--primary-color);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat-card {
            background: var(--light-color);
            border-radius: var(--border-radius);
            padding: 1.8rem;
            text-align: center;
            border-top: 5px solid var(--secondary-color);
            transition: var(--transition);
            box-shadow: 0 6px 15px rgba(0,0,0,0.05);
        }
        .stat-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 20px rgba(0,0,0,0.1);
        }
        .stat-number {
            font-size: 3.2rem;
            font-weight: 800;
            color: var(--primary-color);
            line-height: 1;
            margin-bottom: 0.5rem;
        }
        .stat-label {
            font-size: 1.2rem;
            color: var(--dark-color);
            font-weight: 600;
        }
        .feature-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: var(--border-radius);
            margin: 2.5rem 0;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            transition: var(--transition);
        }
        .feature-image:hover {
            transform: scale(1.008);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        .tips-list {
            list-style: none;
            margin: 2rem 0;
        }
        .tips-list li {
            padding: 1.2rem 1.5rem;
            margin-bottom: 1rem;
            background: white;
            border-radius: var(--border-radius);
            border-left: 4px solid var(--secondary-color);
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
            display: flex;
            align-items: center;
            gap: 15px;
            transition: var(--transition);
        }
        .tips-list li:hover {
            transform: translateX(10px);
            box-shadow: 0 6px 15px rgba(0,0,0,0.1);
        }
        .tips-list i {
            color: var(--accent-color);
            font-size: 1.5rem;
            flex-shrink: 0;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            padding: 2rem;
            overflow: hidden;
        }
        .widget-title {
            font-size: 1.5rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid var(--light-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .widget-title i {
            color: var(--accent-color);
        }
        .rating-widget {
            text-align: center;
        }
        .rating-stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin: 1.5rem 0;
            font-size: 2rem;
            color: #ffc107;
        }
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        .rating-input {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .rating-input label {
            font-weight: 600;
            color: var(--dark-color);
            text-align: left;
        }
        .rating-input select, .rating-input textarea {
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 1rem;
            font-family: inherit;
            transition: var(--transition);
        }
        .rating-input textarea {
            min-height: 120px;
            resize: vertical;
        }
        .rating-input select:focus, .rating-input textarea:focus {
            outline: none;
            border-color: var(--secondary-color);
            box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
        }
        .submit-button {
            background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
            color: white;
            border: none;
            border-radius: 50px;
            padding: 16px 32px;
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            margin-top: 1rem;
        }
        .submit-button:hover {
            background: linear-gradient(135deg, var(--primary-color), #2a0080);
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(58, 12, 163, 0.3);
        }
        .comments-section {
            margin-top: 4rem;
            padding-top: 3rem;
            border-top: 3px solid var(--light-color);
        }
        .comment-form {
            background: var(--light-color);
            padding: 2.5rem;
            border-radius: var(--border-radius);
            margin-bottom: 3rem;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .form-group label {
            font-weight: 600;
            color: var(--dark-color);
        }
        .form-group input, .form-group textarea {
            padding: 14px 18px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 1rem;
            font-family: inherit;
            transition: var(--transition);
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .form-group input:focus, .form-group textarea:focus {
            outline: none;
            border-color: var(--secondary-color);
            box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
        }
        .footer-links {
            max-width: 1400px;
            margin: 4rem auto 2rem;
            padding: 0 2rem;
        }
        .links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background: var(--light-color);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            border-left: 5px solid var(--secondary-color);
            transition: var(--transition);
        }
        .web-link a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .web-link a:hover {
            color: var(--accent-color);
            gap: 15px;
        }
        .site-footer {
            background: var(--dark-color);
            color: white;
            padding: 3rem 2rem 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }
        .footer-section h3 {
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            color: #ffd166;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-section h3::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 50px;
            height: 3px;
            background: var(--accent-color);
        }
        .footer-links-list {
            list-style: none;
        }
        .footer-links-list li {
            margin-bottom: 12px;
        }
        .footer-links-list a {
            color: #ddd;
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-links-list a:hover {
            color: var(--accent-color);
            transform: translateX(8px);
        }
        .social-links {
            display: flex;
            gap: 1rem;
            margin-top: 1.5rem;
        }
        .social-link {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            color: white;
            font-size: 1.3rem;
            transition: var(--transition);
        }
        .social-link:hover {
            background: var(--accent-color);
            transform: translateY(-5px);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 0.95rem;
        }
        @media (max-width: 1100px) {
            .main-container {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .sidebar {
                grid-row: 2;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: stretch;
                gap: 1rem;
            }
            .main-nav {
                flex-direction: column;
                display: none;
                width: 100%;
                gap: 0;
            }
            .main-nav.active {
                display: flex;
            }
            .nav-link {
                padding: 15px 20px;
                border-radius: 0;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .hamburger {
                display: block;
                position: absolute;
                right: 2rem;
                top: 1.5rem;
            }
            .search-form {
                margin: 0;
                max-width: 100%;
            }
            .content-area {
                padding: 2rem;
            }
            .article-title {
                font-size: 2.2rem;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .breadcrumb {
                padding: 1rem;
            }
        }
        @media (max-width: 480px) {
            .main-container, .footer-links, .site-footer {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .content-area {
                padding: 1.5rem;
            }
            .article-title {
                font-size: 1.9rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .logo-text {
                font-size: 1.8rem;
            }
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .content-section {
            animation: fadeInUp 0.6s ease forwards;
        }
        .content-section:nth-child(2) { animation-delay: 0.1s; }
        .content-section:nth-child(3) { animation-delay: 0.2s; }
        .content-section:nth-child(4) { animation-delay: 0.3s; }
        .content-section:nth-child(5) { animation-delay: 0.4s; }
        .content-section:nth-child(6) { animation-delay: 0.5s; }