:root {
            --primary: #2A5CAA;
            --secondary: #6AB187;
            --accent: #F7C45A;
            --light: #EAEAEA;
            --dark: #1a1a1a;
            --success: #6AB187;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: #f9fbfd;
            color: #333;
            overflow-x: hidden;
        }
        
        /* Navigation Styles */
        #ai_auto_navbar {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            padding: 0.8rem 0;
        }
        
        .ai_auto_navbar-brand {
            color: white !important;
            font-weight: 700;
            font-size: 1.8rem;
            letter-spacing: 0.5px;
        }
        
        .ai_auto_navbar-brand span {
            color: var(--accent);
        }
        
        .ai_auto_nav-link {
            color: rgba(255,255,255,0.85) !important;
            font-weight: 500;
            margin: 0 0.5rem;
            padding: 0.5rem 1rem !important;
            border-radius: 30px;
            transition: all 0.3s ease;
        }
        
        .ai_auto_nav-link:hover, .ai_auto_nav-link.active {
            background-color: rgba(255,255,255,0.15);
            color: white !important;
        }
        
        .ai_auto_search-form {
            position: relative;
        }
        
        .ai_auto_search-input {
            background: rgba(255,255,255,0.15);
            border: none;
            border-radius: 30px;
            padding: 0.5rem 1.5rem;
            color: white;
            width: 220px;
            transition: all 0.3s ease;
        }
        
        .ai_auto_search-input::placeholder {
            color: rgba(255,255,255,0.7);
        }
        
        .ai_auto_search-input:focus {
            background: rgba(255,255,255,0.25);
            width: 280px;
            outline: none;
            box-shadow: none;
        }
        
        .ai_auto_search-btn {
            position: absolute;
            right: 10px;
            top: 50%;
            transform: translateY(-50%);
            background: transparent;
            border: none;
            color: white;
        }
        
        /* Banner Styles */
        #ai_auto_banner {
            background: linear-gradient(rgba(42, 92, 170, 0.9), rgba(106, 177, 135, 0.85)), url('https://images.unsplash.com/photo-1532938911079-1b06ac7ceec7?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1800&q=80');
            background-size: cover;
            background-position: center;
            padding: 8rem 0;
            text-align: center;
            color: white;
            margin-bottom: 5rem;
        }
        
        .ai_auto_banner-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        
        .ai_auto_banner-info {
            font-size: 1.3rem;
            max-width: 700px;
            margin: 0 auto 3rem;
            opacity: 0.9;
        }
        
        .ai_auto_banner-search {
            max-width: 700px;
            margin: 0 auto;
        }
        
        .ai_auto_banner-search .form-control {
            padding: 1.2rem 1.8rem;
            border-radius: 50px;
            border: none;
            font-size: 1.1rem;
        }
        
        .ai_auto_banner-search .btn {
            position: absolute;
            right: 8px;
            top: 8px;
            background: var(--primary);
            color: white;
            border-radius: 50px;
            padding: 0.7rem 1.8rem;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .ai_auto_banner-search .btn:hover {
            background: #1d4a8a;
        }
        
        /* Articles Section */
        #ai_auto_home-artice {
            padding: 3rem 0;
        }
        
        .ai_auto_section-title {
            position: relative;
            margin-bottom: 2.5rem;
            font-weight: 700;
            color: var(--primary);
            padding-bottom: 0.8rem;
            border-bottom: 3px solid var(--accent);
            display: inline-block;
        }
        
        /* Featured Articles - Background Fusion Cards */
        #ai_auto_feature-article {
            margin-bottom: 4rem;
        }
        
        .ai_auto_feature-card {
            border-radius: 12px;
            overflow: hidden;
            height: 350px;
            position: relative;
            margin-bottom: 2rem;
            box-shadow: 0 8px 20px rgba(0,0,0,0.08);
            transition: transform 0.3s ease;
        }
        
        .ai_auto_feature-card:hover {
            transform: translateY(-8px);
        }
        
        .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-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(0,0,0,0.8));
            padding: 2rem 1.5rem 1.5rem;
            color: white;
            transform: translateY(70px);
            transition: transform 0.4s ease;
        }
        
        .ai_auto_feature-card:hover .ai_auto_feature-overlay {
            transform: translateY(0);
        }
        
        .ai_auto_feature-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            color: white;
        }
        
        .ai_auto_feature-meta {
            display: flex;
            align-items: center;
            font-size: 0.9rem;
            opacity: 0.8;
            margin-bottom: 0.8rem;
        }
        
        .ai_auto_feature-labels {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-top: 0.8rem;
        }
        
        .ai_auto_feature-label {
            background: rgba(255,255,255,0.15);
            color: white;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.8rem;
            transition: all 0.2s ease;
        }
        
        .ai_auto_feature-label:hover {
            background: var(--accent);
            color: var(--dark);
        }
        
        /* Recent Articles - Timeline Layout */
        #ai_auto_last-article {
            margin-bottom: 4rem;
        }
        
        .ai_auto_timeline {
            position: relative;
            padding: 2rem 0;
        }
        
        .ai_auto_timeline::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50px;
            height: 100%;
            width: 3px;
            background: var(--accent);
        }
        
        .ai_auto_timeline-item {
            position: relative;
            margin-bottom: 2.5rem;
            padding-left: 100px;
        }
        
        .ai_auto_timeline-date {
            position: absolute;
            left: 0;
            top: 0;
            background: var(--primary);
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            font-weight: 600;
            min-width: 85px;
            text-align: center;
        }
        
        .ai_auto_timeline-content {
            background: white;
            border-radius: 10px;
            padding: 1.5rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }
        
        .ai_auto_timeline-content:hover {
            transform: translateX(10px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
        }
        
        .ai_auto_timeline-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }
        
        .ai_auto_timeline-desc {
            color: #666;
            margin-bottom: 1rem;
        }
        
        .ai_auto_timeline-meta {
            display: flex;
            justify-content: space-between;
            font-size: 0.9rem;
            color: #888;
        }
        
        /* Recommended Articles - Stacked Cards */
        #ai_auto_recommend-article {
            margin-bottom: 4rem;
        }
        
        .ai_auto_recommend-card {
            border: none;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.08);
            margin-bottom: 2rem;
            transition: all 0.3s ease;
            background: white;
        }
        
        .ai_auto_recommend-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 30px rgba(0,0,0,0.15);
        }
        
        .ai_auto_recommend-img-container {
            height: 200px;
            overflow: hidden;
        }
        
        .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-body {
            padding: 1.5rem;
        }
        
        .ai_auto_recommend-title {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            color: var(--primary);
        }
        
        .ai_auto_recommend-desc {
            color: #666;
            margin-bottom: 1.2rem;
        }
        
        .ai_auto_recommend-meta {
            display: flex;
            justify-content: space-between;
            font-size: 0.9rem;
            color: #888;
        }
        
        /* Subscribe Section */
        #ai_auto_subscribe {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
            padding: 5rem 0;
            text-align: center;
            color: white;
        }
        
        .ai_auto_subscribe-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        
        .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-input {
            padding: 1.2rem 1.8rem;
            border-radius: 50px;
            border: none;
            font-size: 1.1rem;
            width: 100%;
        }
        
        .ai_auto_subscribe-btn {
            position: absolute;
            right: 8px;
            top: 8px;
            background: var(--accent);
            color: var(--dark);
            font-weight: 700;
            border: none;
            border-radius: 50px;
            padding: 0.7rem 2rem;
            transition: all 0.3s ease;
        }
        
        .ai_auto_subscribe-btn:hover {
            background: #e0a835;
        }
        
        /* Footer Styles */
        #ai_auto_footer {
            background: var(--dark);
            color: #aaa;
            padding-top: 4rem;
        }
        
        .ai_auto_footer-column {
            margin-bottom: 2rem;
        }
        
        .ai_auto_footer-title {
            color: white;
            font-weight: 700;
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
            position: relative;
            padding-bottom: 0.8rem;
        }
        
        .ai_auto_footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--accent);
        }
        
        .ai_auto_footer-desc {
            margin-top: 1rem;
            line-height: 1.7;
        }
        
        .ai_auto_footer-list {
            list-style: none;
            padding: 0;
        }
        
        .ai_auto_footer-list li {
            margin-bottom: 0.8rem;
        }
        
        .ai_auto_footer-list a {
            color: #aaa;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        .ai_auto_footer-list a:hover {
            color: white;
            padding-left: 5px;
        }
        
        .ai_auto_footer-contact p {
            display: flex;
            align-items: center;
            margin-bottom: 0.8rem;
        }
        
        .ai_auto_footer-contact i {
            color: var(--accent);
            margin-right: 10px;
            width: 20px;
        }
        
        .ai_auto_footer-bottom {
            background: rgba(0,0,0,0.3);
            padding: 1.5rem 0;
            margin-top: 3rem;
            text-align: center;
        }
        
        @media (max-width: 992px) {
            .ai_auto_banner-title {
                font-size: 2.8rem;
            }
            
            .ai_auto_timeline::before {
                left: 30px;
            }
            
            .ai_auto_timeline-item {
                padding-left: 70px;
            }
        }
        
        @media (max-width: 768px) {
            .ai_auto_navbar-nav {
                margin-top: 1rem;
            }
            
            .ai_auto_search-form {
                margin-top: 1rem;
            }
            
            .ai_auto_banner {
                padding: 5rem 1rem;
            }
            
            .ai_auto_banner-title {
                font-size: 2.2rem;
            }
            
            .ai_auto_banner-info {
                font-size: 1.1rem;
            }
            
            .ai_auto_subscribe-title {
                font-size: 2rem;
            }
        }