:root {
            --ai_auto-primary: #1a6dba;
            --ai_auto-secondary: #2ecc71;
            --ai_auto-accent1: #f39c12;
            --ai_auto-accent2: #9b59b6;
        }
        
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            color: #333;
            background-color: #f8f9fa;
        }
        
        /* Navbar Styles */
        #ai_auto_navbar {
            background: linear-gradient(135deg, #0d4a8f 0%, #1a6dba 100%);
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            padding: 0.8rem 1rem;
        }
        
        .ai_auto_navbar-brand {
            color: white !important;
            font-weight: 700;
            font-size: 1.8rem;
            letter-spacing: 0.5px;
        }
        
        .ai_auto_navbar-brand span {
            color: var(--ai_auto-secondary);
        }
        
        .ai_auto_nav-link {
            color: rgba(255,255,255,0.85) !important;
            font-weight: 500;
            padding: 0.5rem 1rem !important;
            margin: 0 0.2rem;
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        
        .ai_auto_nav-link:hover {
            color: white !important;
            background-color: rgba(255,255,255,0.1);
        }
        
        .ai_auto_search-form .form-control {
            border-radius: 30px 0 0 30px;
            border: none;
            height: 45px;
        }
        
        .ai_auto_search-form .btn {
            border-radius: 0 30px 30px 0;
            background-color: var(--ai_auto-accent1);
            color: white;
            border: none;
            height: 45px;
            width: 45px;
        }
        
        /* Banner Styles */
        #ai_auto_banner {
            background: linear-gradient(rgba(26, 109, 186, 0.9), rgba(26, 109, 186, 0.8)), 
                        url('https://images.unsplash.com/photo-1532094349884-543bc11b234d?ixlib=rb-4.0.3') center/cover;
            padding: 6rem 0;
            color: white;
            text-align: center;
        }
        
        .ai_auto_banner-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        
        .ai_auto_banner-info {
            font-size: 1.3rem;
            max-width: 700px;
            margin: 0 auto 3rem;
            opacity: 0.9;
            font-weight: 300;
        }
        
        .ai_auto_banner-search {
            max-width: 650px;
            margin: 0 auto;
        }
        
        .ai_auto_banner-search .form-control {
            height: 60px;
            border-radius: 50px;
            padding: 0 30px;
            font-size: 1.1rem;
            border: none;
            box-shadow: 0 5px 20px rgba(0,0,0,0.2);
        }
        
        .ai_auto_banner-search .btn {
            position: absolute;
            right: 8px;
            top: 8px;
            height: 44px;
            width: 44px;
            border-radius: 50%;
            background-color: var(--ai_auto-accent1);
            color: white;
            border: none;
        }
        
        /* Article Section Styles */
        #ai_auto_home-artice {
            padding: 5rem 0;
            background-color: #fff;
        }
        
        .ai_auto_section-title {
            text-align: center;
            margin-bottom: 3rem;
            position: relative;
        }
        
        .ai_auto_section-title h2 {
            font-weight: 800;
            color: var(--ai_auto-primary);
            font-size: 2.5rem;
            display: inline-block;
            background-color: white;
            padding: 0 2rem;
            position: relative;
            z-index: 2;
        }
        
        .ai_auto_section-title:after {
            content: "";
            position: absolute;
            top: 50%;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(to right, var(--ai_auto-primary), var(--ai_auto-secondary));
            z-index: 1;
        }
        
        /* Feature Articles - Grid Cards */
        #ai_auto_feature-article {
            margin-bottom: 5rem;
        }
        
        .ai_auto_feature-card {
            border: none;
            border-radius: 12px;
            overflow: hidden;
            transition: all 0.4s ease;
            height: 100%;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
        }
        
        .ai_auto_feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.15);
        }
        
        .ai_auto_feature-img {
            height: 220px;
            width: 100%;
            object-fit: cover;
            transition: all 0.5s ease;
        }
        
        .ai_auto_feature-card:hover .ai_auto_feature-img {
            transform: scale(1.05);
        }
        
        .ai_auto_feature-content {
            padding: 1.5rem;
        }
        
        .ai_auto_feature-content h3 {
            font-weight: 700;
            margin-bottom: 1rem;
            min-height: 60px;
        }
        
        .ai_auto_feature-content p {
            color: #666;
            margin-bottom: 1.5rem;
            min-height: 72px;
        }
        
        .ai_auto_meta {
            display: flex;
            justify-content: space-between;
            color: #777;
            font-size: 0.9rem;
        }
        
        .ai_auto_label {
            display: inline-block;
            background-color: #e8f4fe;
            color: var(--ai_auto-primary);
            font-size: 0.8rem;
            padding: 0.2rem 0.8rem;
            border-radius: 30px;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
        }
        
        /* Last Articles - Timeline */
        #ai_auto_last-article {
            margin-bottom: 5rem;
            position: relative;
        }
        
        .ai_auto_timeline {
            position: relative;
            padding-left: 30px;
        }
        
        .ai_auto_timeline:before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 0;
            width: 4px;
            background: linear-gradient(to bottom, var(--ai_auto-primary), var(--ai_auto-secondary));
            border-radius: 10px;
        }
        
        .ai_auto_timeline-item {
            margin-bottom: 40px;
            position: relative;
            padding-left: 30px;
        }
        
        .ai_auto_timeline-item:before {
            content: '';
            position: absolute;
            left: -10px;
            top: 10px;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background-color: var(--ai_auto-primary);
            border: 4px solid white;
            box-shadow: 0 0 0 2px var(--ai_auto-primary);
        }
        
        .ai_auto_timeline-date {
            background-color: var(--ai_auto-primary);
            color: white;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            display: inline-block;
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }
        
        .ai_auto_timeline-content {
            background-color: #f8f9fa;
            border-radius: 12px;
            padding: 1.5rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }
        
        .ai_auto_timeline-content:hover {
            transform: translateX(10px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        
        .ai_auto_timeline-img {
            height: 150px;
            width: 100%;
            object-fit: cover;
            border-radius: 8px;
            margin-bottom: 1rem;
        }
        
        .ai_auto_timeline-content h3 {
            font-weight: 700;
            margin-bottom: 0.8rem;
        }
        
        /* Recommended Articles - Masonry */
        #ai_auto_recommend-article {
            margin-bottom: 3rem;
        }
        
        .ai_auto_masonry-grid {
            column-count: 3;
            column-gap: 30px;
        }
        
        .ai_auto_masonry-item {
            break-inside: avoid;
            margin-bottom: 30px;
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            transition: all 0.3s ease;
        }
        
        .ai_auto_masonry-item:hover {
            box-shadow: 0 15px 40px rgba(0,0,0,0.15);
            transform: translateY(-5px);
        }
        
        .ai_auto_masonry-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        
        .ai_auto_masonry-content {
            padding: 1.5rem;
        }
        
        .ai_auto_masonry-content h3 {
            font-weight: 700;
            margin-bottom: 1rem;
            font-size: 1.3rem;
        }
        
        /* Subscribe Section */
        #ai_auto_subscribe {
            background: linear-gradient(135deg, var(--ai_auto-primary) 0%, #0d4a8f 100%);
            padding: 5rem 0;
            color: white;
            text-align: center;
        }
        
        .ai_auto_subscribe-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        
        .ai_auto_subscribe-info {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 2.5rem;
            opacity: 0.9;
        }
        
        .ai_auto_subscribe-form {
            max-width: 550px;
            margin: 0 auto;
        }
        
        .ai_auto_subscribe-form .form-control {
            height: 55px;
            border-radius: 50px;
            padding: 0 25px;
            font-size: 1.1rem;
            border: none;
        }
        
        .ai_auto_subscribe-form .btn {
            border-radius: 50px;
            background-color: var(--ai_auto-accent1);
            color: white;
            border: none;
            padding: 0.75rem 2.5rem;
            font-size: 1.1rem;
            font-weight: 600;
            margin-top: 1.5rem;
            transition: all 0.3s ease;
        }
        
        .ai_auto_subscribe-form .btn:hover {
            background-color: #e08e0b;
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(0,0,0,0.2);
        }
        
        /* Footer Styles */
        #ai_auto_footer {
            background-color: #0a2942;
            color: rgba(255,255,255,0.8);
            padding-top: 4rem;
        }
        
        .ai_auto_footer-title {
            color: white;
            font-weight: 700;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
            position: relative;
            padding-bottom: 0.8rem;
        }
        
        .ai_auto_footer-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--ai_auto-secondary);
            border-radius: 3px;
        }
        
        .ai_auto_footer-links {
            list-style: none;
            padding: 0;
        }
        
        .ai_auto_footer-links li {
            margin-bottom: 0.8rem;
        }
        
        .ai_auto_footer-links a {
            color: rgba(255,255,255,0.7);
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        .ai_auto_footer-links a:hover {
            color: var(--ai_auto-secondary);
            padding-left: 5px;
        }
        
        #ai_auto_footer_desc p {
            max-width: 300px;
            line-height: 1.7;
        }
        
        .ai_auto_footer-contact {
            list-style: none;
            padding: 0;
        }
        
        .ai_auto_footer-contact li {
            margin-bottom: 1rem;
            display: flex;
            align-items: flex-start;
        }
        
        .ai_auto_footer-contact i {
            color: var(--ai_auto-secondary);
            margin-right: 15px;
            font-size: 1.2rem;
            margin-top: 5px;
        }
        
        .ai_auto_copyright {
            background-color: rgba(0,0,0,0.2);
            padding: 1.5rem 0;
            margin-top: 4rem;
            text-align: center;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.6);
        }
        
        /* Responsive Adjustments */
        @media (max-width: 992px) {
            .ai_auto_masonry-grid {
                column-count: 2;
            }
            
            .ai_auto_banner-title {
                font-size: 2.8rem;
            }
        }
        
        @media (max-width: 768px) {
            .ai_auto_masonry-grid {
                column-count: 1;
            }
            
            .ai_auto_banner-title {
                font-size: 2.3rem;
            }
            
            .ai_auto_banner-info {
                font-size: 1.1rem;
            }
            
            .ai_auto_section-title h2 {
                font-size: 2rem;
            }
        }
        
        @media (max-width: 576px) {
            .ai_auto_navbar-nav {
                margin-top: 1rem;
            }
            
            .ai_auto_banner {
                padding: 4rem 0;
            }
            
            .ai_auto_banner-title {
                font-size: 2rem;
            }
        }