:root {
            --ai_auto_primary: #2C3E50;
            --ai_auto_secondary1: #3498DB;
            --ai_auto_secondary2: #27AE60;
            --ai_auto_secondary3: #8E44AD;
            --ai_auto_light: #ECF0F1;
            --ai_auto_dark: #2C3E50;
        }
        
        body {
            font-family: 'Roboto', sans-serif;
            color: #333;
            background-color: #f8f9fa;
        }
        
        /* Navigation Bar */
        #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 {
            font-family: 'Merriweather', serif;
            font-weight: 700;
            color: white !important;
            font-size: 1.8rem;
        }
        
        .ai_auto_nav-link {
            color: rgba(255,255,255,0.85) !important;
            font-weight: 500;
            padding: 0.5rem 1.2rem !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: 15%;
            width: 70%;
            height: 2px;
            background: var(--ai_auto_secondary2);
        }
        
        .ai_auto_search-form {
            position: relative;
        }
        
        .ai_auto_search-form .form-control {
            border-radius: 30px;
            padding-left: 20px;
            border: none;
        }
        
        .ai_auto_search-form .btn {
            position: absolute;
            right: 5px;
            top: 3px;
            border-radius: 30px;
            background: var(--ai_auto_secondary1);
            color: white;
            width: 30px;
            height: 30px;
            padding: 0;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        /* Banner Section */
        #ai_auto_banner {
            background: linear-gradient(rgba(44, 62, 80, 0.85), rgba(44, 62, 80, 0.95)), url('https://images.unsplash.com/photo-1532094349884-543bc11b234d?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80');
            background-size: cover;
            background-position: center;
            padding: 6rem 0;
            color: white;
            text-align: center;
        }
        
        .ai_auto_banner-title {
            font-family: 'Merriweather', serif;
            font-weight: 700;
            font-size: 3rem;
            margin-bottom: 1.5rem;
            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 2.5rem;
            opacity: 0.9;
        }
        
        .ai_auto_search-box {
            max-width: 700px;
            margin: 0 auto;
        }
        
        .ai_auto_search-box .form-control {
            padding: 1rem 1.5rem;
            border-radius: 50px;
            border: none;
            font-size: 1.1rem;
        }
        
        .ai_auto_search-box .btn {
            position: absolute;
            right: 8px;
            top: 8px;
            border-radius: 50px;
            background: var(--ai_auto_secondary2);
            color: white;
            padding: 0.7rem 1.8rem;
            font-weight: 500;
            transition: all 0.3s ease;
        }
        
        .ai_auto_search-box .btn:hover {
            background: #1e8449;
        }
        
        /* Articles Section */
        #ai_auto_home-artice {
            padding: 5rem 0;
        }
        
        .ai_auto_section-title {
            font-family: 'Merriweather', serif;
            font-weight: 700;
            font-size: 2.2rem;
            margin-bottom: 2rem;
            position: relative;
            padding-bottom: 0.8rem;
        }
        
        .ai_auto_section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 70px;
            height: 4px;
            background: var(--ai_auto_primary);
        }
        
        /* Feature Articles */
        #ai_auto_feature-article {
            margin-bottom: 4rem;
        }
        
        .ai_auto_feature-card {
            border: none;
            border-radius: 10px;
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
            background: white;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        
        .ai_auto_feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        
        .ai_auto_feature-img-container {
            height: 220px;
            overflow: hidden;
        }
        
        .ai_auto_feature-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .ai_auto_feature-card:hover .ai_auto_feature-img {
            transform: scale(1.05);
        }
        
        .ai_auto_feature-card-body {
            padding: 1.5rem;
        }
        
        .ai_auto_feature-tags {
            margin-bottom: 0.8rem;
        }
        
        .ai_auto_feature-tag {
            display: inline-block;
            background: var(--ai_auto_secondary1);
            color: white;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.8rem;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        .ai_auto_feature-tag:hover {
            background: var(--ai_auto_primary);
        }
        
        .ai_auto_feature-title {
            font-family: 'Merriweather', serif;
            font-weight: 700;
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--ai_auto_primary);
        }
        
        .ai_auto_feature-desc {
            color: #666;
            margin-bottom: 1.5rem;
        }
        
        .ai_auto_feature-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: #777;
            font-size: 0.9rem;
        }
        
        /* Last Articles */
        #ai_auto_last-article {
            margin-bottom: 4rem;
            background: linear-gradient(to right, rgba(236, 240, 241, 0.5), rgba(236, 240, 241, 0.8));
            padding: 3rem;
            border-radius: 15px;
        }
        
        .ai_auto_last-article-title {
            color: var(--ai_auto_secondary3);
        }
        
        .ai_auto_last-article-title:after {
            background: var(--ai_auto_secondary3);
        }
        
        .ai_auto_last-card {
            border: none;
            border-radius: 10px;
            overflow: hidden;
            transition: all 0.3s ease;
            background: white;
            margin-bottom: 1.5rem;
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
        }
        
        .ai_auto_last-card:hover {
            transform: translateX(5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        
        .ai_auto_last-img-container {
            width: 120px;
            height: 120px;
            overflow: hidden;
            border-radius: 10px;
        }
        
        .ai_auto_last-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .ai_auto_last-card-body {
            padding: 1.2rem;
        }
        
        .ai_auto_last-title {
            font-family: 'Merriweather', serif;
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
            color: var(--ai_auto_primary);
        }
        
        .ai_auto_last-meta {
            color: #777;
            font-size: 0.85rem;
            margin-bottom: 0.5rem;
        }
        
        /* Recommended Articles */
        #ai_auto_recommend-article {
            background: linear-gradient(to right, rgba(39, 174, 96, 0.05), rgba(39, 174, 96, 0.1));
            padding: 3rem;
            border-radius: 15px;
        }
        
        .ai_auto_recommend-article-title {
            color: var(--ai_auto_secondary2);
        }
        
        .ai_auto_recommend-article-title:after {
            background: var(--ai_auto_secondary2);
        }
        
        .ai_auto_recommend-card {
            border: none;
            border-radius: 10px;
            overflow: hidden;
            transition: all 0.3s ease;
            background: white;
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
            height: 100%;
        }
        
        .ai_auto_recommend-card:hover {
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        
        .ai_auto_recommend-img-container {
            height: 180px;
            overflow: hidden;
        }
        
        .ai_auto_recommend-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .ai_auto_recommend-card-body {
            padding: 1.5rem;
        }
        
        .ai_auto_recommend-title {
            font-family: 'Merriweather', serif;
            font-weight: 700;
            font-size: 1.3rem;
            margin-bottom: 0.8rem;
            color: var(--ai_auto_primary);
        }
        
        .ai_auto_recommend-meta {
            color: #777;
            font-size: 0.9rem;
            margin-top: 1rem;
        }
        
        /* Subscribe Section */
        #ai_auto_subscribe {
            background: linear-gradient(to right, var(--ai_auto_primary), var(--ai_auto_dark));
            padding: 5rem 0;
            color: white;
            text-align: center;
        }
        
        .ai_auto_subscribe-title {
            font-family: 'Merriweather', serif;
            font-weight: 700;
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
        }
        
        .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: 600px;
            margin: 0 auto;
        }
        
        .ai_auto_subscribe-form .form-control {
            padding: 1.2rem;
            border-radius: 50px;
            border: none;
            font-size: 1.1rem;
        }
        
        .ai_auto_subscribe-form .btn {
            border-radius: 50px;
            background: var(--ai_auto_secondary2);
            color: white;
            padding: 1rem 2.5rem;
            font-weight: 500;
            font-size: 1.1rem;
            margin-top: 1.5rem;
            transition: all 0.3s ease;
        }
        
        .ai_auto_subscribe-form .btn:hover {
            background: #1e8449;
            transform: translateY(-3px);
        }
        
        /* Footer */
        #ai_auto_footer {
            background: var(--ai_auto_primary);
            color: rgba(255,255,255,0.8);
            padding-top: 4rem;
        }
        
        #ai_auto_footer_desc, 
        #ai_auto_footer_nav,
        #ai_auto_footer_policy,
        #ai_auto_footer_contact {
            margin-bottom: 2rem;
        }
        
        .ai_auto_footer-title {
            color: white;
            font-weight: 600;
            font-size: 1.2rem;
            margin-bottom: 1.5rem;
            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_secondary1);
        }
        
        .ai_auto_footer-logo {
            font-family: 'Merriweather', serif;
            font-weight: 700;
            font-size: 1.8rem;
            color: white;
            margin-bottom: 1rem;
            display: block;
        }
        
        .ai_auto_footer-desc {
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }
        
        .ai_auto_footer-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .ai_auto_footer-list li {
            margin-bottom: 0.8rem;
        }
        
        .ai_auto_footer-list a {
            color: rgba(255,255,255,0.7);
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        .ai_auto_footer-list a:hover {
            color: white;
            padding-left: 5px;
        }
        
        .ai_auto_contact-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 1rem;
        }
        
        .ai_auto_contact-icon {
            margin-right: 15px;
            color: var(--ai_auto_secondary1);
            font-size: 1.2rem;
            min-width: 20px;
        }
        
        .ai_auto_contact-info {
            line-height: 1.6;
        }
        
        #ai_auto_footer_copyright {
            background: rgba(0,0,0,0.2);
            padding: 1.5rem 0;
            text-align: center;
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
            margin-top: 2rem;
        }
        
        /* Responsive Adjustments */
        @media (max-width: 768px) {
            .ai_auto_banner-title {
                font-size: 2.2rem;
            }
            
            .ai_auto_last-img-container {
                width: 100%;
                height: 200px;
                margin-bottom: 1rem;
            }
            
            #ai_auto_last-article,
            #ai_auto_recommend-article {
                padding: 2rem 1.5rem;
            }
        }