:root {
            --primary-color: #1a3d7c;
            --secondary-color: #4d8fd1;
            --accent-color: #4CAF50;
            --light-gray: #9E9E9E;
            --bg-color: #f0f5ff;
            --card-bg: #ffffff;
        }
        
        body {
            background-color: var(--bg-color);
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: #333;
            overflow-x: hidden;
        }
        
        /* Neumorphism Styles */
        .ai_auto_neumorphic {
            background: var(--bg-color);
            border-radius: 16px;
            box-shadow: 8px 8px 16px #d1d9e6, 
                       -8px -8px 16px #ffffff;
            border: none;
            transition: all 0.3s ease;
        }
        
        .ai_auto_neumorphic:hover {
            box-shadow: 4px 4px 8px #d1d9e6, 
                       -4px -4px 8px #ffffff;
        }
        
        .ai_auto_neumorphic-inset {
            background: var(--bg-color);
            border-radius: 16px;
            box-shadow: inset 4px 4px 8px #d1d9e6, 
                       inset -4px -4px 8px #ffffff;
        }
        
        /* Navigation Bar */
        #ai_auto_navbar {
            background-color: var(--primary-color);
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        
        .ai_auto_nav-logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: white;
            text-decoration: none;
        }
        
        .ai_auto_nav-link {
            color: rgba(255,255,255,0.85) !important;
            font-weight: 500;
            margin: 0 10px;
            padding: 8px 15px !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;
        }
        
        /* Banner Section */
        #ai_auto_banner {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            padding: 80px 0;
            color: white;
            position: relative;
            overflow: hidden;
        }
        
        .ai_auto_banner-pattern {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0.1;
            background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.4'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
        }
        
        .ai_auto_banner-title {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        
        .ai_auto_banner-subtitle {
            font-size: 1.5rem;
            margin-bottom: 40px;
            max-width: 700px;
            opacity: 0.9;
        }
        
        .ai_auto_search-form {
            max-width: 700px;
            margin: 0 auto;
        }
        
        /* Article Sections */
        #ai_auto_home-artice {
            padding: 80px 0;
        }
        
        .ai_auto_section-title {
            position: relative;
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 40px;
            color: var(--primary-color);
            padding-bottom: 15px;
        }
        
        .ai_auto_section-title:after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 80px;
            height: 4px;
            background: var(--accent-color);
            border-radius: 2px;
        }
        
        /* Feature Articles - Magazine Layout */
        #ai_auto_feature-article .ai_auto_main-article {
            height: 100%;
        }
        
        .ai_auto_feature-img {
            width: 100%;
            height: 300px;
            object-fit: cover;
            border-radius: 16px 16px 0 0;
        }
        
        .ai_auto_feature-content {
            padding: 25px;
        }
        
        /* Latest Articles - Timeline Layout */
        #ai_auto_last-article .ai_auto_article-card {
            position: relative;
            border-left: 3px solid var(--secondary-color);
            padding-left: 25px;
            margin-bottom: 40px;
        }
        
        .ai_auto_article-date {
            position: absolute;
            top: 0;
            left: -65px;
            background: var(--primary-color);
            color: white;
            padding: 10px 15px;
            border-radius: 10px;
            font-weight: 600;
            text-align: center;
            width: 120px;
        }
        
        .ai_auto_timeline-img {
            width: 200px;
            height: 150px;
            object-fit: cover;
            border-radius: 10px;
        }
        
        /* Recommended Articles - Card Waterfall */
        #ai_auto_recommend-article {
            column-count: 3;
            column-gap: 30px;
        }
        
        @media (max-width: 992px) {
            #ai_auto_recommend-article {
                column-count: 2;
            }
        }
        
        @media (max-width: 768px) {
            #ai_auto_recommend-article {
                column-count: 1;
            }
        }
        
        .ai_auto_waterfall-card {
            break-inside: avoid;
            margin-bottom: 30px;
        }
        
        .ai_auto_waterfall-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 16px 16px 0 0;
        }
        
        /* Subscribe Section */
        #ai_auto_subscribe {
            background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
            padding: 80px 0;
            color: white;
        }
        
        .ai_auto_subscribe-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 20px;
        }
        
        .ai_auto_subscribe-desc {
            font-size: 1.2rem;
            max-width: 600px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        
        /* Footer */
        #ai_auto_footer {
            background: var(--primary-color);
            color: rgba(255,255,255,0.85);
            padding-top: 60px;
        }
        
        .ai_auto_footer-title {
            font-size: 1.4rem;
            font-weight: 600;
            margin-bottom: 25px;
            color: white;
        }
        
        .ai_auto_footer-link {
            color: rgba(255,255,255,0.7);
            text-decoration: none;
            display: block;
            margin-bottom: 12px;
            transition: all 0.3s ease;
        }
        
        .ai_auto_footer-link:hover {
            color: white;
            padding-left: 5px;
        }
        
        .ai_auto_copyright {
            background: rgba(0,0,0,0.2);
            padding: 20px 0;
            margin-top: 50px;
            text-align: center;
            font-size: 0.9rem;
        }
        
        /* General Helper Classes */
        .ai_auto_label {
            display: inline-block;
            background: rgba(77, 143, 209, 0.15);
            color: var(--secondary-color);
            padding: 5px 12px;
            border-radius: 30px;
            font-size: 0.85rem;
            margin: 5px 5px 5px 0;
            transition: all 0.3s ease;
            text-decoration: none;
        }
        
        .ai_auto_label:hover {
            background: var(--secondary-color);
            color: white;
        }
        
        .ai_auto_author {
            color: var(--light-gray);
            font-size: 0.95rem;
            margin-top: 10px;
        }
        
        .ai_auto_btn-primary {
            background: var(--primary-color);
            border: none;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .ai_auto_btn-primary:hover {
            background: #0f2a5a;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        
        .ai_auto_btn-accent {
            background: var(--accent-color);
            border: none;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .ai_auto_btn-accent:hover {
            background: #3d8b40;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        
        .ai_auto_form-control {
            padding: 15px 20px;
            border-radius: 30px;
            border: none;
            box-shadow: inset 4px 4px 8px #e2e8f0, 
                       inset -4px -4px 8px #ffffff;
        }
        
        .ai_auto_form-control:focus {
            box-shadow: inset 2px 2px 4px #e2e8f0, 
                       inset -2px -2px 4px #ffffff;
            border-color: var(--secondary-color);
        }
        
        .ai_auto_img-container {
            overflow: hidden;
            border-radius: 16px;
        }
        
        .ai_auto_img-hover {
            transition: transform 0.5s ease;
        }
        
        .ai_auto_img-hover:hover {
            transform: scale(1.05);
        }
        
        .ai_auto_article-link {
            color: var(--primary-color);
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        .ai_auto_article-link:hover {
            color: var(--secondary-color);
            text-decoration: underline;
        }