:root {
            --ai_auto_primary: #2E8B57;
            --ai_auto_secondary: #3CB371;
            --ai_auto_accent1: #20B2AA;
            --ai_auto_accent2: #FFA07A;
            --ai_auto_light: #f8f9fa;
            --ai_auto_dark: #212529;
        }
        
        body {
            font-family: 'Roboto', sans-serif;
            background-color: #f5f9f7;
            color: #333;
        }
        
        h1, h2, h3, h4, h5, h6 {
            font-family: 'Playfair Display', serif;
            font-weight: 700;
        }
        
        /* Navigation Bar */
        #ai_auto_navbar {
            background-color: white;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        
        #ai_auto_navbar .navbar-brand {
            font-family: 'Playfair Display', serif;
            font-weight: 800;
            font-size: 1.8rem;
            color: var(--ai_auto_primary);
        }
        
        #ai_auto_navbar .nav-link {
            font-weight: 500;
            color: var(--ai_auto_dark);
            transition: all 0.3s;
            position: relative;
        }
        
        #ai_auto_navbar .nav-link:hover {
            color: var(--ai_auto_primary);
        }
        
        #ai_auto_navbar .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--ai_auto_primary);
            transition: width 0.3s;
        }
        
        #ai_auto_navbar .nav-link:hover::after {
            width: 100%;
        }
        
        /* Banner Section */
        #ai_auto_banner {
            background: linear-gradient(rgba(46, 139, 87, 0.85), rgba(46, 139, 87, 0.9)), url('https://images.unsplash.com/photo-1516549655169-df83a0774514?ixlib=rb-4.0.3&auto=format&fit=crop&w=1950&q=80');
            background-size: cover;
            background-position: center;
            padding: 120px 0;
            color: white;
            margin-bottom: 60px;
        }
        
        #ai_auto_banner h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        
        #ai_auto_banner .search-form {
            max-width: 700px;
            margin: 0 auto;
        }
        
        #ai_auto_banner .form-control {
            border-radius: 50px;
            padding: 15px 25px;
            border: none;
        }
        
        #ai_auto_banner .btn-search {
            position: absolute;
            right: 5px;
            top: 5px;
            background: var(--ai_auto_accent2);
            color: white;
            border: none;
            border-radius: 50px;
            padding: 10px 25px;
            transition: all 0.3s;
        }
        
        #ai_auto_banner .btn-search:hover {
            background: #ff8c61;
        }
        
        /* Article Sections */
        #ai_auto_home-artice {
            margin-bottom: 80px;
        }
        
        .ai_auto_section-title {
            position: relative;
            margin-bottom: 40px;
            padding-bottom: 15px;
        }
        
        .ai_auto_section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: var(--ai_auto_primary);
        }
        
        /* Featured Articles - Magazine Style */
        #ai_auto_feature-article {
            margin-bottom: 80px;
        }
        
        .ai_auto_featured-main {
            position: relative;
            height: 100%;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            margin-bottom: 30px;
        }
        
        .ai_auto_featured-main .ai_auto_img-container {
            height: 100%;
            width: 100%;
        }
        
        .ai_auto_featured-main img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .ai_auto_featured-main:hover img {
            transform: scale(1.05);
        }
        
        .ai_auto_featured-main .ai_auto_featured-content {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 30px;
            background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
            color: white;
        }
        
        .ai_auto_featured-main .ai_auto_featured-content h3 {
            margin-bottom: 15px;
        }
        
        .ai_auto_featured-main .ai_auto_featured-content h3 a {
            color: white;
            text-decoration: none;
        }
        
        .ai_auto_featured-item {
            margin-bottom: 25px;
            border-bottom: 1px solid #eee;
            padding-bottom: 25px;
        }
        
        .ai_auto_featured-item:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }
        
        .ai_auto_featured-item .ai_auto_img-container {
            height: 120px;
            width: 120px;
            min-width: 120px;
            border-radius: 6px;
            overflow: hidden;
        }
        
        .ai_auto_featured-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s;
        }
        
        .ai_auto_featured-item:hover img {
            transform: scale(1.1);
        }
        
        .ai_auto_featured-item h5 {
            margin-bottom: 8px;
        }
        
        .ai_auto_featured-item h5 a {
            color: var(--ai_auto_dark);
            text-decoration: none;
            transition: all 0.3s;
        }
        
        .ai_auto_featured-item h5 a:hover {
            color: var(--ai_auto_primary);
        }
        
        .ai_auto_featured-item .ai_auto_date {
            font-size: 0.85rem;
            color: #6c757d;
        }
        
        /* Recent Articles - Timeline Style */
        #ai_auto_last-article {
            margin-bottom: 80px;
        }
        
        .ai_auto_timeline-card {
            position: relative;
            padding-left: 40px;
            margin-bottom: 40px;
            border-left: 2px solid var(--ai_auto_primary);
        }
        
        .ai_auto_timeline-card::before {
            content: '';
            position: absolute;
            left: -8px;
            top: 0;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--ai_auto_primary);
        }
        
        .ai_auto_timeline-date {
            background: var(--ai_auto_primary);
            color: white;
            padding: 8px 15px;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 15px;
            font-weight: 500;
        }
        
        .ai_auto_timeline-content {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        
        .ai_auto_timeline-img {
            height: 200px;
            overflow: hidden;
        }
        
        .ai_auto_timeline-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .ai_auto_timeline-content:hover .ai_auto_timeline-img img {
            transform: scale(1.05);
        }
        
        .ai_auto_timeline-body {
            padding: 25px;
        }
        
        .ai_auto_timeline-body h4 {
            margin-bottom: 15px;
        }
        
        .ai_auto_timeline-body h4 a {
            color: var(--ai_auto_dark);
            text-decoration: none;
            transition: all 0.3s;
        }
        
        .ai_auto_timeline-body h4 a:hover {
            color: var(--ai_auto_primary);
        }
        
        .ai_auto_timeline-desc {
            color: #6c757d;
            margin-bottom: 15px;
        }
        
        .ai_auto_timeline-author {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--ai_auto_primary);
            margin-bottom: 15px;
        }
        
        .ai_auto_timeline-tags .badge {
            background: #e9f5f1;
            color: var(--ai_auto_primary);
            font-weight: 500;
            padding: 5px 12px;
            margin-right: 8px;
            margin-bottom: 8px;
            transition: all 0.3s;
        }
        
        .ai_auto_timeline-tags .badge:hover {
            background: var(--ai_auto_primary);
            color: white;
        }
        
        /* Recommended Articles - Card Waterfall */
        #ai_auto_recommend-article {
            margin-bottom: 80px;
        }
        
        .ai_auto_waterfall-container {
            column-count: 3;
            column-gap: 30px;
        }
        
        @media (max-width: 992px) {
            .ai_auto_waterfall-container {
                column-count: 2;
            }
        }
        
        @media (max-width: 768px) {
            .ai_auto_waterfall-container {
                column-count: 1;
            }
        }
        
        .ai_auto_waterfall-card {
            break-inside: avoid;
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-bottom: 30px;
            transition: all 0.3s;
        }
        
        .ai_auto_waterfall-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        
        .ai_auto_waterfall-img {
            height: 220px;
            overflow: hidden;
        }
        
        .ai_auto_waterfall-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .ai_auto_waterfall-card:hover .ai_auto_waterfall-img img {
            transform: scale(1.1);
        }
        
        .ai_auto_waterfall-body {
            padding: 25px;
        }
        
        .ai_auto_waterfall-body h5 {
            margin-bottom: 15px;
        }
        
        .ai_auto_waterfall-body h5 a {
            color: var(--ai_auto_dark);
            text-decoration: none;
            transition: all 0.3s;
        }
        
        .ai_auto_waterfall-body h5 a:hover {
            color: var(--ai_auto_primary);
        }
        
        .ai_auto_waterfall-desc {
            color: #6c757d;
            margin-bottom: 15px;
            font-size: 0.95rem;
        }
        
        .ai_auto_waterfall-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: #6c757d;
        }
        
        .ai_auto_waterfall-tags .badge {
            background: #e9f5f1;
            color: var(--ai_auto_primary);
            font-weight: 500;
            padding: 4px 10px;
            margin-right: 5px;
            margin-bottom: 5px;
        }
        
        /* Subscribe Section */
        #ai_auto_subscribe {
            background: linear-gradient(135deg, var(--ai_auto_primary), var(--ai_auto_accent1));
            padding: 80px 0;
            color: white;
            text-align: center;
        }
        
        .ai_auto_subscribe-content {
            max-width: 700px;
            margin: 0 auto;
        }
        
        .ai_auto_subscribe-content h2 {
            margin-bottom: 20px;
        }
        
        .ai_auto_subscribe-form {
            display: flex;
            max-width: 500px;
            margin: 30px auto 0;
        }
        
        .ai_auto_subscribe-form input {
            border: none;
            border-radius: 50px 0 0 50px;
            padding: 15px 25px;
            flex: 1;
        }
        
        .ai_auto_subscribe-form button {
            background: var(--ai_auto_accent2);
            color: white;
            border: none;
            border-radius: 0 50px 50px 0;
            padding: 15px 30px;
            font-weight: 500;
            transition: all 0.3s;
        }
        
        .ai_auto_subscribe-form button:hover {
            background: #ff8c61;
        }
        
        /* Footer */
        #ai_auto_footer {
            background: var(--ai_auto_dark);
            color: rgba(255,255,255,0.7);
            padding-top: 60px;
        }
        
        #ai_auto_footer h5 {
            color: white;
            margin-bottom: 25px;
            font-size: 1.2rem;
            position: relative;
            padding-bottom: 10px;
        }
        
        #ai_auto_footer h5::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background: var(--ai_auto_primary);
        }
        
        #ai_auto_footer .ai_auto_footer-links {
            list-style: none;
            padding: 0;
        }
        
        #ai_auto_footer .ai_auto_footer-links li {
            margin-bottom: 12px;
        }
        
        #ai_auto_footer .ai_auto_footer-links a {
            color: rgba(255,255,255,0.7);
            text-decoration: none;
            transition: all 0.3s;
        }
        
        #ai_auto_footer .ai_auto_footer-links a:hover {
            color: var(--ai_auto_secondary);
            padding-left: 5px;
        }
        
        #ai_auto_footer .ai_auto_contact-info {
            list-style: none;
            padding: 0;
        }
        
        #ai_auto_footer .ai_auto_contact-info li {
            margin-bottom: 15px;
            display: flex;
            align-items: flex-start;
        }
        
        #ai_auto_footer .ai_auto_contact-info i {
            color: var(--ai_auto_primary);
            margin-right: 12px;
            margin-top: 4px;
        }
        
        .ai_auto_footer-bottom {
            background: rgba(0,0,0,0.2);
            padding: 20px 0;
            margin-top: 60px;
            text-align: center;
        }
        
        .ai_auto_footer-bottom p {
            margin: 0;
            font-size: 0.9rem;
        }