:root {
            --ai_auto_primary: #1E88E5;
            --ai_auto_secondary: #0D47A1;
            --ai_auto_accent: #64B5F6;
            --ai_auto_light: #E3F2FD;
            --ai_auto_dark: #0D2C54;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: #f8f9fa;
            color: #333;
            background-image: 
                radial-gradient(circle at 10% 20%, rgba(30, 136, 229, 0.05) 0.1rem, transparent 0.1rem),
                radial-gradient(circle at 20% 30%, rgba(13, 71, 161, 0.05) 0.1rem, transparent 0.1rem),
                radial-gradient(circle at 30% 40%, rgba(100, 181, 246, 0.05) 0.1rem, transparent 0.1rem);
            background-size: 100px 100px;
        }
        
        /* Navigation Bar */
        #ai_auto_navbar {
            background-color: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        
        .ai_auto_navbar-brand {
            color: var(--ai_auto_secondary);
            font-weight: 700;
            font-size: 1.5rem;
            letter-spacing: 0.5px;
        }
        
        .ai_auto_navbar-brand span {
            color: var(--ai_auto_primary);
        }
        
        .ai_auto_nav-link {
            color: var(--ai_auto_dark) !important;
            font-weight: 500;
            margin: 0 0.5rem;
            padding: 0.5rem 1rem !important;
            border-radius: 4px;
            transition: all 0.3s;
        }
        
        .ai_auto_nav-link:hover {
            background-color: var(--ai_auto_light);
            color: var(--ai_auto_primary) !important;
        }
        
        .ai_auto_search-form {
            position: relative;
        }
        
        .ai_auto_search-form .form-control {
            border-radius: 30px;
            padding: 0.5rem 1.5rem;
            border: 1px solid var(--ai_auto_accent);
        }
        
        .ai_auto_search-form .btn {
            position: absolute;
            right: 5px;
            top: 50%;
            transform: translateY(-50%);
            background: transparent;
            border: none;
            color: var(--ai_auto_primary);
        }
        
        /* Banner Section */
        #ai_auto_banner {
            background: linear-gradient(120deg, var(--ai_auto_light), var(--ai_auto_accent));
            padding: 5rem 0;
            position: relative;
            overflow: hidden;
        }
        
        .ai_auto_banner-pattern {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                radial-gradient(circle at 20% 30%, rgba(13, 71, 161, 0.1) 0.5rem, transparent 0.5rem),
                radial-gradient(circle at 70% 80%, rgba(30, 136, 229, 0.1) 0.5rem, transparent 0.5rem);
            background-size: 100px 100px;
            opacity: 0.7;
        }
        
        .ai_auto_banner-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            margin: 0 auto;
            text-align: center;
        }
        
        .ai_auto_banner-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--ai_auto_secondary);
            margin-bottom: 1.5rem;
            letter-spacing: -0.5px;
        }
        
        .ai_auto_banner-info {
            font-size: 1.2rem;
            color: var(--ai_auto_dark);
            margin-bottom: 2rem;
            line-height: 1.6;
        }
        
        .ai_auto_banner-search {
            max-width: 600px;
            margin: 0 auto;
        }
        
        .ai_auto_banner-search .form-control {
            height: 55px;
            border-radius: 50px;
            padding: 0 1.5rem;
            font-size: 1.1rem;
            border: 2px solid var(--ai_auto_accent);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        }
        
        .ai_auto_banner-search .btn {
            position: absolute;
            right: 8px;
            top: 8px;
            height: calc(100% - 16px);
            border-radius: 50px;
            padding: 0 1.5rem;
            background: var(--ai_auto_primary);
            color: white;
            font-weight: 600;
            transition: all 0.3s;
        }
        
        .ai_auto_banner-search .btn:hover {
            background: var(--ai_auto_secondary);
        }
        
        /* Article Sections */
        #ai_auto_home-artice {
            padding: 5rem 0;
        }
        
        .ai_auto_section-title {
            position: relative;
            font-weight: 700;
            color: var(--ai_auto_secondary);
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        
        .ai_auto_section-title:after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 60px;
            height: 4px;
            background: var(--ai_auto_primary);
            border-radius: 2px;
        }
        
        /* Feature Articles - Magazine Style */
        #ai_auto_feature-article {
            margin-bottom: 5rem;
        }
        
        .ai_auto_feature-main {
            position: relative;
            border-radius: 12px;
            overflow: hidden;
            margin-bottom: 2rem;
            height: 100%;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }
        
        .ai_auto_feature-main .ai_auto_article-img {
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .ai_auto_feature-main:hover .ai_auto_article-img {
            transform: scale(1.05);
        }
        
        .ai_auto_feature-main .ai_auto_article-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(13, 44, 84, 0.9), transparent);
            padding: 2rem 1.5rem 1.5rem;
            color: white;
        }
        
        .ai_auto_feature-main .ai_auto_article-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: white;
        }
        
        .ai_auto_feature-main .ai_auto_article-desc {
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 1rem;
        }
        
        .ai_auto_feature-side {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        
        .ai_auto_feature-side-item {
            display: flex;
            gap: 1.5rem;
            border-bottom: 1px solid rgba(0, 0, 0, 0.1);
            padding-bottom: 1.5rem;
        }
        
        .ai_auto_feature-side-img {
            width: 120px;
            height: 100px;
            object-fit: cover;
            border-radius: 8px;
        }
        
        .ai_auto_feature-side-content {
            flex: 1;
        }
        
        .ai_auto_feature-side-title {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
        
        /* Recent Articles - Timeline Style */
        #ai_auto_last-article {
            margin-bottom: 5rem;
        }
        
        .ai_auto_timeline-container {
            position: relative;
            padding-left: 30px;
        }
        
        .ai_auto_timeline-container:before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--ai_auto_light);
            border-radius: 2px;
        }
        
        .ai_auto_timeline-item {
            position: relative;
            margin-bottom: 2.5rem;
            padding-left: 2rem;
        }
        
        .ai_auto_timeline-item:before {
            content: '';
            position: absolute;
            left: -10px;
            top: 0;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--ai_auto_primary);
            border: 4px solid white;
            box-shadow: 0 0 0 2px var(--ai_auto_primary);
        }
        
        .ai_auto_timeline-date {
            background: var(--ai_auto_primary);
            color: white;
            padding: 0.3rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 1rem;
        }
        
        .ai_auto_timeline-content {
            background: white;
            border-radius: 12px;
            padding: 1.5rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            display: flex;
            gap: 1.5rem;
            border-left: 3px solid var(--ai_auto_primary);
        }
        
        .ai_auto_timeline-img {
            width: 200px;
            height: 150px;
            object-fit: cover;
            border-radius: 8px;
        }
        
        .ai_auto_timeline-text {
            flex: 1;
        }
        
        .ai_auto_timeline-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            color: var(--ai_auto_secondary);
        }
        
        .ai_auto_timeline-desc {
            margin-bottom: 1rem;
            color: #555;
        }
        
        .ai_auto_article-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.9rem;
            color: #777;
        }
        
        .ai_auto_article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-top: 1rem;
        }
        
        .ai_auto_tag {
            background: var(--ai_auto_light);
            color: var(--ai_auto_primary);
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            transition: all 0.3s;
        }
        
        .ai_auto_tag:hover {
            background: var(--ai_auto_primary);
            color: white;
            text-decoration: none;
        }
        
        /* Recommended Articles - Image Overlay Style */
        #ai_auto_recommend-article {
            margin-bottom: 5rem;
        }
        
        .ai_auto_overlay-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 2rem;
        }
        
        .ai_auto_overlay-item {
            position: relative;
            border-radius: 12px;
            overflow: hidden;
            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(to top, rgba(13, 44, 84, 0.95), transparent);
            padding: 1.5rem;
            color: white;
            transform: translateY(100px);
            transition: transform 0.4s ease;
        }
        
        .ai_auto_overlay-item:hover .ai_auto_overlay-content {
            transform: translateY(0);
        }
        
        .ai_auto_overlay-item:hover .ai_auto_overlay-img {
            transform: scale(1.1);
        }
        
        .ai_auto_overlay-title {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 0.8rem;
            color: #eeeeee;
        }
        
        .ai_auto_overlay-meta {
            display: flex;
            gap: 1rem;
            font-size: 0.9rem;
            opacity: 0.8;
            margin-bottom: 0.5rem;
        }
        
        /* Subscribe Section */
        #ai_auto_subscribe {
            background: linear-gradient(120deg, var(--ai_auto_secondary), var(--ai_auto_primary));
            padding: 5rem 0;
            color: white;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .ai_auto_subscribe-pattern {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.1) 0.1rem, transparent 0.1rem),
                radial-gradient(circle at 90% 80%, rgba(255, 255, 255, 0.1) 0.1rem, transparent 0.1rem);
            background-size: 80px 80px;
        }
        
        .ai_auto_subscribe-content {
            position: relative;
            z-index: 2;
            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;
        }
        
        .ai_auto_subscribe-form {
            display: flex;
            max-width: 500px;
            margin: 0 auto;
        }
        
        .ai_auto_subscribe-form .form-control {
            height: 55px;
            border-radius: 50px 0 0 50px;
            padding: 0 1.5rem;
            font-size: 1rem;
            border: none;
        }
        
        .ai_auto_subscribe-form .btn {
            height: 55px;
            border-radius: 0 50px 50px 0;
            padding: 0 2rem;
            background: var(--ai_auto_accent);
            color: var(--ai_auto_dark);
            font-weight: 700;
            border: none;
            transition: all 0.3s;
        }
        
        .ai_auto_subscribe-form .btn:hover {
            background: white;
            color: var(--ai_auto_primary);
        }
        
        /* Footer */
        #ai_auto_footer {
            background: var(--ai_auto_dark);
            color: white;
            padding-top: 4rem;
        }
        
        .ai_auto_footer-section {
            padding-bottom: 3rem;
        }
        
        .ai_auto_footer-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 0.8rem;
        }
        
        .ai_auto_footer-title:after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 40px;
            height: 3px;
            background: var(--ai_auto_primary);
        }
        
        #ai_auto_footer_desc .ai_auto_footer-desc {
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }
        
        .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;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .ai_auto_footer-links a:hover {
            color: var(--ai_auto_accent);
            padding-left: 5px;
        }
        
        .ai_auto_footer-contact p {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            margin-bottom: 1rem;
            color: rgba(255, 255, 255, 0.8);
        }
        
        .ai_auto_footer-bottom {
            background: rgba(0, 0, 0, 0.2);
            padding: 1.5rem 0;
            text-align: center;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
        }
        
        /* Responsive adjustments */
        @media (max-width: 992px) {
            .ai_auto_timeline-content {
                flex-direction: column;
            }
            
            .ai_auto_timeline-img {
                width: 100%;
            }
        }
        
        @media (max-width: 768px) {
            .ai_auto_banner-title {
                font-size: 2.2rem;
            }
            
            .ai_auto_feature-side-item {
                flex-direction: column;
            }
            
            .ai_auto_feature-side-img {
                width: 100%;
            }
            
            .ai_auto_subscribe-title {
                font-size: 1.8rem;
            }
        }
        
        @media (max-width: 576px) {
            .ai_auto_banner-title {
                font-size: 1.8rem;
            }
            
            .ai_auto_section-title {
                font-size: 1.5rem;
            }
            
            .ai_auto_subscribe-form {
                flex-direction: column;
                gap: 1rem;
            }
            
            .ai_auto_subscribe-form .form-control,
            .ai_auto_subscribe-form .btn {
                border-radius: 50px;
                width: 100%;
            }
        }