:root {
            --ai_auto_primary: #3A8E4D;
            --ai_auto_accent1: #FFC857;
            --ai_auto_accent2: #2E5266;
            --ai_auto_accent3: #6E3667;
            --ai_auto_light: #f8f9fa;
            --ai_auto_dark: #212529;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: #f0f4f1;
            color: #333;
            overflow-x: hidden;
        }
        
        /* Navigation Styles */
        #ai_auto_navbar {
            background: linear-gradient(135deg, var(--ai_auto_primary) 0%, var(--ai_auto_accent2) 100%);
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        
        .ai_auto_navbar-brand {
            color: white !important;
            font-weight: 700;
            font-size: 1.5rem;
            letter-spacing: 1px;
        }
        
        .ai_auto_nav-link {
            color: rgba(255,255,255,0.85) !important;
            font-weight: 500;
            margin: 0 10px;
            transition: all 0.3s;
            position: relative;
        }
        
        .ai_auto_nav-link:hover,
        .ai_auto_nav-link.active {
            color: white !important;
        }
        
        .ai_auto_nav-link:after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--ai_auto_accent1);
            transition: width 0.3s;
        }
        
        .ai_auto_nav-link:hover:after,
        .ai_auto_nav-link.active:after {
            width: 100%;
        }
        
        .ai_auto_search-form .form-control {
            border-radius: 30px 0 0 30px;
            border: none;
            height: 40px;
        }
        
        .ai_auto_search-form .btn {
            border-radius: 0 30px 30px 0;
            background: var(--ai_auto_accent1);
            color: var(--ai_auto_dark);
            border: none;
            height: 40px;
            transition: all 0.3s;
        }
        
        .ai_auto_search-form .btn:hover {
            background: #e5b445;
        }
        
        /* Banner Styles */
        #ai_auto_banner {
            background: linear-gradient(rgba(58, 142, 77, 0.85), rgba(46, 82, 102, 0.9)), url('https://images.unsplash.com/photo-1532094349884-543bc11b234d?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1920&q=80');
            background-size: cover;
            background-position: center;
            padding: 100px 0;
            color: white;
            text-align: center;
            margin-bottom: 60px;
        }
        
        .ai_auto_banner-title {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 20px;
            text-shadow: 0 2px 8px rgba(0,0,0,0.3);
        }
        
        .ai_auto_banner-desc {
            font-size: 1.4rem;
            max-width: 800px;
            margin: 0 auto 40px;
            opacity: 0.9;
        }
        
        .ai_auto_banner-search {
            max-width: 700px;
            margin: 0 auto;
        }
        
        /* Article Section Styles */
        #ai_auto_home-artice {
            padding: 60px 0;
        }
        
        .ai_auto_section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 30px;
            font-weight: 700;
            color: var(--ai_auto_accent2);
        }
        
        .ai_auto_section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: var(--ai_auto_primary);
            border-radius: 2px;
        }
        
        /* Feature Article - Background Fusion Cards */
        #ai_auto_feature-article {
            margin-bottom: 80px;
        }
        
        .ai_auto_feature-card {
            height: 350px;
            border-radius: 10px;
            overflow: hidden;
            position: relative;
            margin-bottom: 30px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            transition: transform 0.4s, box-shadow 0.4s;
        }
        
        .ai_auto_feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        
        .ai_auto_feature-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .ai_auto_feature-card:hover .ai_auto_feature-img {
            transform: scale(1.05);
        }
        
        .ai_auto_feature-content {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(58, 142, 77, 0.85);
            color: white;
            padding: 25px;
            transform: translateY(100px);
            transition: transform 0.5s;
        }
        
        .ai_auto_feature-card:hover .ai_auto_feature-content {
            transform: translateY(0);
        }
        
        .ai_auto_feature-title {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 15px;
        }
        
        .ai_auto_feature-meta {
            display: flex;
            justify-content: space-between;
            font-size: 0.9rem;
            opacity: 0.9;
        }
        
        .ai_auto_feature-tags span {
            background: rgba(255, 200, 87, 0.2);
            padding: 3px 10px;
            border-radius: 20px;
            margin-right: 5px;
            font-size: 0.8rem;
        }
        
        /* Last Article - Timeline Cards */
        #ai_auto_last-article {
            margin-bottom: 80px;
        }
        
        .ai_auto_timeline-card {
            border-left: 3px solid var(--ai_auto_primary);
            margin-bottom: 40px;
            padding-left: 30px;
            position: relative;
            transition: all 0.3s;
        }
        
        .ai_auto_timeline-card:hover {
            border-left-width: 5px;
            padding-left: 28px;
        }
        
        .ai_auto_timeline-date {
            background: var(--ai_auto_primary);
            color: white;
            padding: 5px 15px;
            border-radius: 20px;
            display: inline-block;
            margin-bottom: 20px;
            font-weight: 600;
            font-size: 0.9rem;
        }
        
        .ai_auto_timeline-content {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
        }
        
        .ai_auto_timeline-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        
        .ai_auto_timeline-body {
            padding: 25px;
        }
        
        .ai_auto_timeline-title {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--ai_auto_accent2);
        }
        
        .ai_auto_timeline-desc {
            color: #666;
            margin-bottom: 20px;
        }
        
        .ai_auto_timeline-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid #eee;
            padding-top: 15px;
            font-size: 0.9rem;
        }
        
        .ai_auto_timeline-tags a {
            background: #f0f8f2;
            color: var(--ai_auto_primary);
            padding: 3px 10px;
            border-radius: 20px;
            margin-right: 5px;
            text-decoration: none;
            font-size: 0.85rem;
            transition: all 0.3s;
        }
        
        .ai_auto_timeline-tags a:hover {
            background: var(--ai_auto_primary);
            color: white;
        }
        
        /* Recommend Article - Card Waterfall */
        #ai_auto_recommend-article {
            margin-bottom: 60px;
        }
        
        .ai_auto_waterfall-grid {
            column-count: 3;
            column-gap: 30px;
        }
        
        .ai_auto_waterfall-card {
            break-inside: avoid;
            background: white;
            border-radius: 10px;
            overflow: hidden;
            margin-bottom: 30px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            transition: all 0.3s;
        }
        
        .ai_auto_waterfall-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.12);
        }
        
        .ai_auto_waterfall-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        
        .ai_auto_waterfall-body {
            padding: 20px;
        }
        
        .ai_auto_waterfall-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--ai_auto_accent2);
        }
        
        .ai_auto_waterfall-desc {
            color: #666;
            margin-bottom: 15px;
            font-size: 0.95rem;
        }
        
        .ai_auto_waterfall-footer {
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
            color: #888;
        }
        
        /* Subscribe Section */
        #ai_auto_subscribe {
            background: linear-gradient(135deg, var(--ai_auto_accent2) 0%, var(--ai_auto_primary) 100%);
            padding: 80px 0;
            color: white;
            text-align: center;
        }
        
        .ai_auto_subscribe-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 20px;
        }
        
        .ai_auto_subscribe-desc {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 40px;
            opacity: 0.9;
        }
        
        .ai_auto_subscribe-form {
            max-width: 600px;
            margin: 0 auto;
        }
        
        .ai_auto_subscribe-form .form-control {
            height: 50px;
            border-radius: 30px;
            border: none;
            padding: 0 25px;
            font-size: 1.1rem;
        }
        
        .ai_auto_subscribe-form .btn {
            height: 50px;
            padding: 0 40px;
            background: var(--ai_auto_accent1);
            color: var(--ai_auto_dark);
            border: none;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s;
        }
        
        .ai_auto_subscribe-form .btn:hover {
            background: #e5b445;
            transform: translateY(-3px);
        }
        
        /* Footer Styles */
        #ai_auto_footer {
            background: #1a2a36;
            color: rgba(255,255,255,0.8);
            padding-top: 60px;
        }
        
        .ai_auto_footer-section {
            padding-bottom: 40px;
        }
        
        #ai_auto_footer_desc h3 {
            color: white;
            font-weight: 700;
            margin-bottom: 20px;
            font-size: 1.8rem;
        }
        
        #ai_auto_footer_desc p {
            font-size: 0.95rem;
            line-height: 1.7;
        }
        
        .ai_auto_footer-title {
            color: white;
            font-weight: 600;
            margin-bottom: 25px;
            font-size: 1.2rem;
        }
        
        .ai_auto_footer-links {
            list-style: none;
            padding: 0;
        }
        
        .ai_auto_footer-links li {
            margin-bottom: 12px;
        }
        
        .ai_auto_footer-links a {
            color: rgba(255,255,255,0.7);
            text-decoration: none;
            transition: all 0.3s;
            font-size: 0.95rem;
        }
        
        .ai_auto_footer-links a:hover {
            color: var(--ai_auto_accent1);
            padding-left: 5px;
        }
        
        #ai_auto_footer_contact .ai_auto_contact-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 15px;
        }
        
        #ai_auto_footer_contact .ai_auto_contact-icon {
            color: var(--ai_auto_primary);
            margin-right: 15px;
            font-size: 1.2rem;
            min-width: 20px;
        }
        
        #ai_auto_footer_contact .ai_auto_contact-text {
            font-size: 0.95rem;
            line-height: 1.6;
        }
        
        #ai_auto_footer_copyright {
            background: rgba(0,0,0,0.2);
            padding: 20px 0;
            text-align: center;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.6);
        }
        
        /* Responsive Adjustments */
        @media (max-width: 992px) {
            .ai_auto_waterfall-grid {
                column-count: 2;
            }
            
            .ai_auto_banner-title {
                font-size: 2.8rem;
            }
        }
        
        @media (max-width: 768px) {
            .ai_auto_waterfall-grid {
                column-count: 1;
            }
            
            .ai_auto_banner-title {
                font-size: 2.2rem;
            }
            
            .ai_auto_banner-desc {
                font-size: 1.1rem;
            }
            
            .ai_auto_feature-card {
                height: 300px;
            }
        }
        
        @media (max-width: 576px) {
            .ai_auto_banner {
                padding: 70px 0;
            }
            
            .ai_auto_banner-title {
                font-size: 1.8rem;
            }
        }