:root {
            --ai_auto_primary: #2C3E50;
            --ai_auto_secondary: #3498DB;
            --ai_auto_accent1: #1ABC9C;
            --ai_auto_accent2: #E74C3C;
            --ai_auto_light: #ECF0F1;
            --ai_auto_dark: #1A252F;
        }
        
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background-color: #f8f9fa;
            color: var(--ai_auto_dark);
            overflow-x: hidden;
        }
        
        /* Navbar Styles */
        #ai_auto_navbar {
            background-color: var(--ai_auto_primary);
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            padding: 0.8rem 0;
        }
        
        .ai_auto_navbar-brand {
            color: white !important;
            font-weight: 700;
            font-size: 1.5rem;
            letter-spacing: 1px;
        }
        
        .ai_auto_nav-link {
            color: rgba(255,255,255,0.8) !important;
            font-weight: 500;
            margin: 0 8px;
            transition: all 0.3s;
        }
        
        .ai_auto_nav-link:hover {
            color: white !important;
            transform: translateY(-2px);
        }
        
        .ai_auto_search-form .form-control {
            border-radius: 20px 0 0 20px;
            border: none;
            padding: 8px 15px;
        }
        
        .ai_auto_search-form .btn {
            border-radius: 0 20px 20px 0;
            background-color: var(--ai_auto_accent1);
            color: white;
            border: none;
            padding: 8px 15px;
        }
        
        /* Banner Styles */
        #ai_auto_banner {
            background: linear-gradient(rgba(44, 62, 80, 0.9), rgba(44, 62, 80, 0.7)), url('https://images.unsplash.com/photo-1519494026892-80bbd2d6fd0d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1950&q=80');
            background-size: cover;
            background-position: center;
            padding: 100px 0;
            color: white;
            text-align: center;
            margin-bottom: 60px;
        }
        
        .ai_auto_banner-title {
            font-size: 3rem;
            font-weight: 800;
            margin-bottom: 20px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        
        .ai_auto_banner-info {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        
        .ai_auto_banner-search {
            max-width: 700px;
            margin: 0 auto;
        }
        
        .ai_auto_banner-search .form-control {
            padding: 15px 20px;
            border-radius: 30px;
            border: none;
            font-size: 1.1rem;
        }
        
        .ai_auto_banner-search .btn {
            position: absolute;
            right: 5px;
            top: 5px;
            bottom: 5px;
            border-radius: 30px;
            padding: 0 30px;
            background-color: var(--ai_auto_accent1);
            border: none;
        }
        
        /* Article Section */
        #ai_auto_home-artice {
            padding: 60px 0;
        }
        
        .ai_auto_section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 30px;
            font-weight: 700;
            color: var(--ai_auto_primary);
        }
        
        .ai_auto_section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 70px;
            height: 4px;
            background: var(--ai_auto_accent1);
            border-radius: 2px;
        }
        
        /* Featured Articles - Stacked Cards */
        #ai_auto_feature-article .ai_auto_article-card {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            margin-bottom: 30px;
            transition: all 0.3s ease;
            background: white;
            height: 100%;
        }
        
        #ai_auto_feature-article .ai_auto_article-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        
        .ai_auto_article-img {
            height: 200px;
            width: 100%;
            object-fit: cover;
            display: block;
        }
        
        .ai_auto_article-body {
            padding: 25px;
        }
        
        .ai_auto_article-title {
            font-weight: 700;
            font-size: 1.3rem;
            margin-bottom: 10px;
            color: var(--ai_auto_primary);
        }
        
        .ai_auto_article-desc {
            color: #555;
            margin-bottom: 15px;
            font-size: 0.95rem;
        }
        
        .ai_auto_article-meta {
            display: flex;
            justify-content: space-between;
            color: #777;
            font-size: 0.85rem;
            border-top: 1px solid #eee;
            padding-top: 15px;
            margin-top: 15px;
        }
        
        .ai_auto_label {
            display: inline-block;
            background-color: #eaf7ff;
            color: var(--ai_auto_secondary);
            font-size: 0.75rem;
            padding: 3px 10px;
            border-radius: 20px;
            margin-right: 5px;
            margin-bottom: 5px;
            transition: all 0.2s;
        }
        
        .ai_auto_label:hover {
            background-color: var(--ai_auto_secondary);
            color: white;
            text-decoration: none;
        }
        
        /* Recent Articles - Timeline */
        #ai_auto_last-article {
            position: relative;
            padding-left: 30px;
            margin-top: 60px;
        }
        
        #ai_auto_last-article:before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 0;
            width: 4px;
            background: var(--ai_auto_accent1);
            border-radius: 2px;
        }
        
        .ai_auto_timeline-item {
            position: relative;
            margin-bottom: 40px;
            padding-left: 30px;
        }
        
        .ai_auto_timeline-item:before {
            content: '';
            position: absolute;
            top: 10px;
            left: -13px;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: white;
            border: 4px solid var(--ai_auto_accent1);
            z-index: 2;
        }
        
        .ai_auto_timeline-date {
            font-size: 0.9rem;
            color: var(--ai_auto_accent2);
            font-weight: 600;
            margin-bottom: 5px;
        }
        
        .ai_auto_timeline-title {
            font-weight: 700;
            color: var(--ai_auto_primary);
            font-size: 1.1rem;
            margin-bottom: 10px;
        }
        
        .ai_auto_timeline-img {
            width: 100%;
            max-height: 150px;
            object-fit: cover;
            border-radius: 8px;
            margin-top: 10px;
        }
        
        /* Recommended Articles - Image Overlay */
        #ai_auto_recommend-article {
            margin-top: 60px;
        }
        
        .ai_auto_overlay-card {
            position: relative;
            border-radius: 10px;
            overflow: hidden;
            height: 300px;
            margin-bottom: 30px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        
        .ai_auto_overlay-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: all 0.5s ease;
        }
        
        .ai_auto_overlay-content {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
            padding: 30px 20px 20px;
            color: white;
            transform: translateY(100px);
            transition: all 0.4s ease;
            opacity: 0;
        }
        
        .ai_auto_overlay-card:hover .ai_auto_overlay-content {
            transform: translateY(0);
            opacity: 1;
        }
        
        .ai_auto_overlay-card:hover .ai_auto_overlay-img {
            transform: scale(1.05);
        }
        
        .ai_auto_overlay-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: white;
        }
        
        .ai_auto_overlay-meta {
            font-size: 0.85rem;
            opacity: 0.8;
        }
        
        /* Subscribe Section */
        #ai_auto_subscribe {
            background-color: var(--ai_auto_primary);
            padding: 80px 0;
            color: white;
            margin-top: 60px;
        }
        
        .ai_auto_subscribe-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 20px;
        }
        
        .ai_auto_subscribe-info {
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        
        .ai_auto_subscribe-form {
            max-width: 500px;
            margin: 0 auto;
        }
        
        .ai_auto_subscribe-form .form-control {
            padding: 15px 20px;
            border-radius: 30px;
            border: none;
        }
        
        .ai_auto_subscribe-form .btn {
            border-radius: 30px;
            padding: 10px 30px;
            background-color: var(--ai_auto_accent1);
            border: none;
            font-weight: 600;
            margin-top: 20px;
        }
        
        /* Footer Styles */
        #ai_auto_footer {
            background-color: var(--ai_auto_dark);
            color: rgba(255,255,255,0.7);
            padding-top: 60px;
        }
        
        .ai_auto_footer-title {
            color: white;
            font-weight: 600;
            margin-bottom: 20px;
            font-size: 1.2rem;
        }
        
        .ai_auto_footer-links {
            list-style: none;
            padding: 0;
        }
        
        .ai_auto_footer-links li {
            margin-bottom: 10px;
        }
        
        .ai_auto_footer-links a {
            color: rgba(255,255,255,0.7);
            text-decoration: none;
            transition: all 0.3s;
        }
        
        .ai_auto_footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        
        .ai_auto_footer-contact li {
            margin-bottom: 8px;
            display: flex;
            align-items: flex-start;
        }
        
        .ai_auto_footer-contact i {
            margin-right: 10px;
            color: var(--ai_auto_accent1);
            min-width: 20px;
        }
        
        .ai_auto_copyright {
            background-color: rgba(0,0,0,0.2);
            padding: 20px 0;
            margin-top: 40px;
            text-align: center;
            font-size: 0.9rem;
        }
        
        /* Responsive Adjustments */
        @media (max-width: 992px) {
            #ai_auto_last-article {
                padding-left: 0;
            }
            
            #ai_auto_last-article:before {
                display: none;
            }
            
            .ai_auto_timeline-item:before {
                display: none;
            }
            
            .ai_auto_timeline-item {
                padding-left: 0;
            }
        }
        
        @media (max-width: 768px) {
            .ai_auto_banner-title {
                font-size: 2.2rem;
            }
        }