:root {
            --ai_auto-primary: #1a3a6c;
            --ai_auto-secondary: #4a8cff;
            --ai_auto-accent: #34a853;
            --ai_auto-light: #f8f9fa;
            --ai_auto-dark: #212529;
            --ai_auto-gradient: linear-gradient(135deg, #1a3a6c 0%, #4a8cff 100%);
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: var(--ai_auto-dark);
            background-color: #f9fbfd;
        }
        
        /* 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_nav-link {
            color: rgba(255,255,255,0.85) !important;
            font-weight: 500;
            padding: 0.5rem 1rem !important;
            transition: all 0.3s ease;
            position: relative;
        }
        
        .ai_auto_nav-link:hover, .ai_auto_nav-link.active {
            color: white !important;
        }
        
        .ai_auto_nav-link:hover::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 1rem;
            right: 1rem;
            height: 2px;
            background: var(--ai_auto-accent);
        }
        
        /* Banner Styles */
        #ai_auto_banner {
            background: var(--ai_auto-gradient);
            padding: 5rem 0;
            position: relative;
            overflow: hidden;
        }
        
        .ai_auto_banner-content {
            position: relative;
            z-index: 2;
            color: white;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }
        
        .ai_auto_banner-title {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            text-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        
        .ai_auto_banner-info {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            opacity: 0.9;
            line-height: 1.6;
        }
        
        .ai_auto_search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        
        .ai_auto_search-input {
            height: 55px;
            border-radius: 30px 0 0 30px !important;
            border: none;
            padding: 0 25px;
            font-size: 1.1rem;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        }
        
        .ai_auto_search-btn {
            border-radius: 0 30px 30px 0 !important;
            background: var(--ai_auto-accent);
            border: none;
            padding: 0 25px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .ai_auto_search-btn:hover {
            background: #2b8a44;
        }
        
        /* Article Section Styles */
        #ai_auto_home-artice {
            padding: 5rem 0;
            background: #f9fbfd;
        }
        
        .ai_auto_section-title {
            position: relative;
            margin-bottom: 2.5rem;
            padding-bottom: 1rem;
            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-accent);
            border-radius: 2px;
        }
        
        /* Feature Articles - Stacked Cards */
        #ai_auto_feature-article {
            margin-bottom: 4rem;
        }
        
        .ai_auto_feature-card {
            border: none;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
            height: 100%;
            background: white;
        }
        
        .ai_auto_feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        
        .ai_auto_feature-img {
            height: 220px;
            width: 100%;
            object-fit: cover;
        }
        
        .ai_auto_feature-body {
            padding: 1.75rem;
        }
        
        .ai_auto_feature-title {
            font-weight: 700;
            font-size: 1.35rem;
            margin-bottom: 0.75rem;
            color: var(--ai_auto-primary);
        }
        
        .ai_auto_feature-desc {
            color: #5a6a85;
            margin-bottom: 1.25rem;
            line-height: 1.6;
        }
        
        .ai_auto_article-meta {
            display: flex;
            align-items: center;
            margin-bottom: 1rem;
            color: #6c757d;
            font-size: 0.9rem;
        }
        
        .ai_auto_author {
            display: flex;
            align-items: center;
            margin-right: 1.5rem;
        }
        
        .ai_auto_date {
            display: flex;
            align-items: center;
        }
        
        .ai_auto_label {
            display: inline-block;
            background: rgba(26, 58, 108, 0.1);
            color: var(--ai_auto-primary);
            padding: 0.25rem 0.75rem;
            border-radius: 30px;
            font-size: 0.8rem;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
            transition: all 0.2s ease;
        }
        
        .ai_auto_label:hover {
            background: var(--ai_auto-primary);
            color: white;
        }
        
        /* Recent Articles - Timeline */
        #ai_auto_last-article {
            margin-bottom: 4rem;
        }
        
        .ai_auto_timeline {
            position: relative;
            padding-left: 30px;
            margin-left: 20px;
        }
        
        .ai_auto_timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            height: 100%;
            width: 3px;
            background: var(--ai_auto-secondary);
            border-radius: 3px;
        }
        
        .ai_auto_timeline-item {
            position: relative;
            margin-bottom: 2.5rem;
            background: white;
            border-radius: 10px;
            padding: 1.5rem;
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }
        
        .ai_auto_timeline-item:hover {
            transform: translateX(5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
        }
        
        .ai_auto_timeline-item::before {
            content: '';
            position: absolute;
            left: -38px;
            top: 20px;
            width: 15px;
            height: 15px;
            border-radius: 50%;
            background: var(--ai_auto-accent);
            border: 3px solid white;
            box-shadow: 0 0 0 2px var(--ai_auto-accent);
        }
        
        .ai_auto_timeline-date {
            position: absolute;
            left: -115px;
            top: 15px;
            width: 80px;
            text-align: right;
            color: var(--ai_auto-primary);
            font-weight: 600;
            font-size: 0.9rem;
        }
        
        /* Recommended Articles - Image Background Cards */
        #ai_auto_recommend-article {
            margin-bottom: 4rem;
        }
        
        .ai_auto_recommend-card {
            position: relative;
            border-radius: 12px;
            overflow: hidden;
            height: 350px;
            margin-bottom: 1.5rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
        }
        
        .ai_auto_recommend-card:hover {
            transform: scale(1.02);
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
        }
        
        .ai_auto_recommend-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .ai_auto_recommend-card:hover .ai_auto_recommend-img {
            transform: scale(1.05);
        }
        
        .ai_auto_recommend-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 100%);
            padding: 2rem 1.5rem 1.5rem;
            color: white;
        }
        
        .ai_auto_recommend-title {
            font-size: 1rem;
            margin-bottom: 0.75rem;
            opacity: 0.4;
            font-weight: normal;
        }

        .ai_auto_recommend-card:hover .ai_auto_recommend-title{
            opacity: 1;
        }
        .ai_auto_recommend-desc {
            display: none;
            margin-bottom: 1rem;
            opacity: 0.9;
            line-height: 1.5;
        }
        
        /* Subscribe Section */
        #ai_auto_subscribe {
            background: var(--ai_auto-gradient);
            padding: 5rem 0;
            position: relative;
            overflow: hidden;
        }
        
        .ai_auto_subscribe-content {
            position: relative;
            z-index: 2;
            color: white;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }
        
        .ai_auto_subscribe-title {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        
        .ai_auto_subscribe-info {
            font-size: 1.1rem;
            margin-bottom: 2rem;
            opacity: 0.9;
            line-height: 1.6;
        }
        
        .ai_auto_subscribe-form {
            display: flex;
            max-width: 550px;
            margin: 0 auto;
        }
        
        .ai_auto_subscribe-input {
            height: 55px;
            border-radius: 30px 0 0 30px !important;
            border: none;
            padding: 0 25px;
            font-size: 1.1rem;
            flex: 1;
        }
        
        .ai_auto_subscribe-btn {
            border-radius: 0 30px 30px 0 !important;
            background: var(--ai_auto-accent);
            border: none;
            padding: 0 30px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .ai_auto_subscribe-btn:hover {
            background: #2b8a44;
        }
        
        /* Footer Styles */
        #ai_auto_footer {
            background: var(--ai_auto-primary);
            color: rgba(255,255,255,0.8);
            padding-top: 4rem;
        }
        
        .ai_auto_footer-title {
            color: white;
            font-weight: 600;
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
        }
        
        .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(255,255,255,0.8);
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        .ai_auto_footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        
        .ai_auto_footer-desc {
            margin-top: 1rem;
            line-height: 1.6;
        }
        
        .ai_auto_footer-contact {
            margin-bottom: 0.8rem;
            display: flex;
            align-items: center;
        }
        
        .ai_auto_footer-contact i {
            width: 25px;
            margin-right: 10px;
            color: var(--ai_auto-accent);
        }
        
        .ai_auto_footer-bottom {
            background: rgba(0,0,0,0.2);
            padding: 1.5rem 0;
            margin-top: 3rem;
            text-align: center;
        }
        
        .ai_auto_footer-copyright {
            color: rgba(255,255,255,0.6);
            margin: 0;
        }
        
        /* Decorative Elements */
        .ai_auto_dna-pattern {
            position: absolute;
            top: 0;
            right: 0;
            bottom: 0;
            left: 0;
            opacity: 0.03;
            background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23ffffff' fill-rule='evenodd'/%3E%3C/svg%3E");
            pointer-events: none;
        }
        
        /* Responsive Adjustments */
        @media (max-width: 992px) {
            .ai_auto_banner-title {
                font-size: 2.5rem;
            }
            
            .ai_auto_timeline-date {
                position: static;
                text-align: left;
                margin-bottom: 0.5rem;
                width: auto;
            }
            
            .ai_auto_timeline-item::before {
                left: -33px;
            }
        }
        
        @media (max-width: 768px) {
            .ai_auto_banner-title {
                font-size: 2rem;
            }
            
            .ai_auto_search-form, .ai_auto_subscribe-form {
                flex-direction: column;
            }
            
            .ai_auto_search-input, .ai_auto_subscribe-input {
                border-radius: 30px !important;
                margin-bottom: 0.5rem;
            }
            
            .ai_auto_search-btn, .ai_auto_subscribe-btn {
                border-radius: 30px !important;
                padding: 0.75rem;
            }
            
            .ai_auto_timeline {
                padding-left: 20px;
                margin-left: 10px;
            }
            
            .ai_auto_timeline-item::before {
                left: -28px;
            }
        }