:root {
            --primary-color: #2E7D32;
            --secondary-color: #4CAF50;
            --accent-color: #FFC107;
            --highlight-color: #1565C0;
            --light-bg: #F8F9FA;
            --dark-bg: #1B5E20;
            --text-dark: #212529;
            --text-light: #F8F9FA;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: #f5f8f5;
            color: var(--text-dark);
        }
        
        /* Navigation */
        #ai_auto_navbar {
            background-color: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            padding: 0.5rem 1rem;
        }
        
        .ai_auto_navbar-brand {
            color: var(--primary-color);
            font-weight: 700;
            font-size: 1.5rem;
            display: flex;
            align-items: center;
        }
        
        .ai_auto_navbar-brand i {
            margin-right: 8px;
            color: var(--secondary-color);
        }
        
        .ai_auto_nav-link {
            color: var(--text-dark);
            font-weight: 500;
            margin: 0 10px;
            padding: 10px 0;
            position: relative;
            transition: color 0.3s ease;
        }
        
        .ai_auto_nav-link:hover,
        .ai_auto_nav-link.active {
            color: var(--primary-color);
        }
        
        .ai_auto_nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--primary-color);
            transition: width 0.3s ease;
        }
        
        .ai_auto_nav-link:hover::after,
        .ai_auto_nav-link.active::after {
            width: 100%;
        }
        
        /* Banner */
        #ai_auto_banner {
            background: linear-gradient(rgba(46, 125, 50, 0.9), rgba(46, 125, 50, 0.7)), url('https://images.unsplash.com/photo-1532094349884-543bc11b234d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 80px 0;
            margin-bottom: 60px;
        }
        
        .ai_auto_banner-content {
            max-width: 700px;
            margin: 0 auto;
            text-align: center;
        }
        
        .ai_auto_banner-title {
            font-size: 2.8rem;
            font-weight: 700;
            margin-bottom: 20px;
            text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
        }
        
        .ai_auto_banner-info {
            font-size: 1.2rem;
            margin-bottom: 30px;
            opacity: 0.9;
        }
        
        .ai_auto_search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        
        .ai_auto_search-input {
            flex: 1;
            padding: 15px 20px;
            border: none;
            border-radius: 50px 0 0 50px;
            font-size: 1.1rem;
        }
        
        .ai_auto_search-btn {
            background-color: var(--accent-color);
            color: var(--text-dark);
            border: none;
            padding: 0 30px;
            border-radius: 0 50px 50px 0;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        
        .ai_auto_search-btn:hover {
            background-color: #ffb300;
        }
        
        /* Section Headers */
        .ai_auto_section-header {
            text-align: center;
            margin-bottom: 40px;
            position: relative;
            padding-bottom: 15px;
        }
        
        .ai_auto_section-header h2 {
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 15px;
        }
        
        .ai_auto_section-header::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
            border-radius: 2px;
        }
        
        /* Articles Section */
        #ai_auto_home-artice {
            padding: 60px 0;
        }
        
        /* Feature Articles - Magazine Layout */
        #ai_auto_feature-article {
            margin-bottom: 60px;
        }
        
        .ai_auto_feature-main {
            background-color: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            margin-bottom: 30px;
            height: 100%;
            transition: transform 0.3s ease;
        }
        
        .ai_auto_feature-main:hover {
            transform: translateY(-5px);
        }
        
        .ai_auto_feature-main-img {
            height: 300px;
            width: 100%;
            object-fit: cover;
            display: block;
        }
        
        .ai_auto_feature-main-content {
            padding: 25px;
        }
        
        .ai_auto_feature-main-title {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 15px;
        }
        
        .ai_auto_feature-main-desc {
            color: #666;
            margin-bottom: 20px;
        }
        
        .ai_auto_feature-side {
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        
        .ai_auto_feature-item {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
            margin-bottom: 20px;
            display: flex;
            transition: transform 0.3s ease;
        }
        
        .ai_auto_feature-item:hover {
            transform: translateY(-3px);
        }
        
        .ai_auto_feature-item-img {
            width: 120px;
            height: 120px;
            object-fit: cover;
            flex-shrink: 0;
        }
        
        .ai_auto_feature-item-content {
            padding: 15px;
            flex: 1;
        }
        
        .ai_auto_feature-item-title {
            font-weight: 600;
            margin-bottom: 8px;
            font-size: 1.1rem;
        }
        
        .ai_auto_feature-item-meta {
            font-size: 0.85rem;
            color: #777;
            margin-bottom: 5px;
        }
        
        /* Last Articles - Timeline Layout */
        #ai_auto_last-article {
            margin-bottom: 60px;
        }
        
        .ai_auto_timeline-container {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }
        
        .ai_auto_timeline-container::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 2px;
            background-color: var(--secondary-color);
        }
        
        .ai_auto_timeline-card {
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
            margin-bottom: 30px;
            position: relative;
            overflow: hidden;
            border-left: 3px solid var(--primary-color);
        }
        
        .ai_auto_timeline-card-header {
            background-color: var(--primary-color);
            color: white;
            padding: 10px 20px;
            font-weight: 600;
        }
        
        .ai_auto_timeline-card-body {
            padding: 20px;
            display: flex;
        }
        
        .ai_auto_timeline-img {
            width: 200px;
            height: 150px;
            object-fit: cover;
            border-radius: 5px;
            margin-right: 20px;
            flex-shrink: 0;
        }
        
        .ai_auto_timeline-content {
            flex: 1;
        }
        
        .ai_auto_timeline-title {
            font-weight: 700;
            font-size: 1.3rem;
            margin-bottom: 10px;
        }
        
        .ai_auto_timeline-desc {
            color: #666;
            margin-bottom: 15px;
        }
        
        .ai_auto_timeline-meta {
            display: flex;
            align-items: center;
            color: #777;
            font-size: 0.9rem;
        }
        
        .ai_auto_timeline-author {
            margin-right: 15px;
        }
        
        .ai_auto_timeline-tags {
            display: flex;
            flex-wrap: wrap;
            margin-top: 10px;
        }
        
        .ai_auto_timeline-tag {
            background-color: #e8f5e9;
            color: var(--primary-color);
            padding: 3px 10px;
            border-radius: 20px;
            font-size: 0.8rem;
            margin-right: 8px;
            margin-bottom: 5px;
            transition: background-color 0.3s;
        }
        
        .ai_auto_timeline-tag:hover {
            background-color: #c8e6c9;
        }
        
        /* Recommend Articles - Image Overlay Cards */
        #ai_auto_recommend-article {
            margin-bottom: 60px;
        }
        
        .ai_auto_overlay-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 25px;
        }
        
        .ai_auto_overlay-card {
            border-radius: 10px;
            overflow: hidden;
            position: relative;
            height: 300px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .ai_auto_overlay-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .ai_auto_overlay-content {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
            padding: 20px;
            color: white;
            transform: translateY(100%);
            transition: transform 0.4s ease;
        }
        
        .ai_auto_overlay-card:hover .ai_auto_overlay-content {
            transform: translateY(0);
        }
        
        .ai_auto_overlay-card:hover .ai_auto_overlay-img {
            transform: scale(1.05);
        }
        
        .ai_auto_overlay-title {
            font-weight: 700;
            font-size: 1.3rem;
            margin-bottom: 10px;
        }
        
        .ai_auto_overlay-meta {
            display: flex;
            font-size: 0.9rem;
            opacity: 0.8;
            margin-bottom: 10px;
        }
        
        .ai_auto_overlay-author {
            margin-right: 15px;
        }
        
        .ai_auto_overlay-tags {
            display: flex;
            flex-wrap: wrap;
        }
        
        .ai_auto_overlay-tag {
            background-color: rgba(255, 255, 255, 0.2);
            color: white;
            padding: 3px 10px;
            border-radius: 20px;
            font-size: 0.8rem;
            margin-right: 8px;
            margin-bottom: 5px;
            backdrop-filter: blur(5px);
        }
        
        /* Subscribe Section */
        #ai_auto_subscribe {
            background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
            padding: 80px 0;
            color: white;
            text-align: center;
        }
        
        .ai_auto_subscribe-container {
            max-width: 700px;
            margin: 0 auto;
        }
        
        .ai_auto_subscribe-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 15px;
        }
        
        .ai_auto_subscribe-info {
            font-size: 1.1rem;
            opacity: 0.9;
            margin-bottom: 30px;
        }
        
        .ai_auto_subscribe-form {
            display: flex;
            max-width: 500px;
            margin: 0 auto;
        }
        
        .ai_auto_subscribe-input {
            flex: 1;
            padding: 15px 20px;
            border: none;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
        }
        
        .ai_auto_subscribe-btn {
            background-color: var(--accent-color);
            color: var(--text-dark);
            border: none;
            padding: 0 30px;
            border-radius: 0 50px 50px 0;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        
        .ai_auto_subscribe-btn:hover {
            background-color: #ffb300;
        }
        
        /* Footer */
        #ai_auto_footer {
            background-color: var(--dark-bg);
            color: var(--text-light);
            padding-top: 60px;
        }
        
        .ai_auto_footer-content {
            padding-bottom: 40px;
        }
        
        .ai_auto_footer-col h5 {
            font-weight: 600;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .ai_auto_footer-col h5::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background-color: var(--secondary-color);
        }
        
        #ai_auto_footer_desc .ai_auto_site-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: white;
            margin-bottom: 15px;
        }
        
        #ai_auto_footer_desc .ai_auto_site-desc {
            opacity: 0.8;
            line-height: 1.6;
        }
        
        .ai_auto_footer-links {
            list-style: none;
            padding: 0;
        }
        
        .ai_auto_footer-links li {
            margin-bottom: 10px;
        }
        
        .ai_auto_footer-links a {
            color: #bbb;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .ai_auto_footer-links a:hover {
            color: white;
        }
        
        .ai_auto_contact-list {
            list-style: none;
            padding: 0;
        }
        
        .ai_auto_contact-list li {
            margin-bottom: 15px;
            display: flex;
            align-items: flex-start;
        }
        
        .ai_auto_contact-icon {
            color: var(--secondary-color);
            margin-right: 10px;
            font-size: 1.1rem;
            width: 20px;
        }
        
        .ai_auto_copyright {
            background-color: rgba(0, 0, 0, 0.2);
            padding: 20px 0;
            text-align: center;
            font-size: 0.9rem;
            opacity: 0.7;
        }
        
        /* Responsive adjustments */
        @media (max-width: 992px) {
            .ai_auto_timeline-container::before {
                left: 30px;
            }
            
            .ai_auto_timeline-card-body {
                flex-direction: column;
            }
            
            .ai_auto_timeline-img {
                width: 100%;
                margin-right: 0;
                margin-bottom: 15px;
            }
        }
        
        @media (max-width: 768px) {
            .ai_auto_banner-title {
                font-size: 2.2rem;
            }
            
            .ai_auto_feature-item {
                flex-direction: column;
            }
            
            .ai_auto_feature-item-img {
                width: 100%;
                height: 150px;
            }
            
            .ai_auto_search-form,
            .ai_auto_subscribe-form {
                flex-direction: column;
            }
            
            .ai_auto_search-input,
            .ai_auto_subscribe-input {
                border-radius: 50px;
                margin-bottom: 10px;
            }
            
            .ai_auto_search-btn,
            .ai_auto_subscribe-btn {
                border-radius: 50px;
                padding: 12px;
            }
        }