:root {
            --primary-color: #1a6dba;
            --secondary-color: #4caf50;
            --accent-color-1: #8e44ad;
            --accent-color-2: #f39c12;
            --dark-bg: #0a1929;
            --light-bg: #f8f9fa;
            --text-color: #333;
            --text-light: #f8f9fa;
            --border-color: #dee2e6;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: var(--light-bg);
            color: var(--text-color);
            line-height: 1.6;
        }
        
        /* Navigation Styles */
        #ai_auto_navbar {
            background-color: var(--dark-bg);
            padding: 0.8rem 0;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        
        .ai_auto_nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        
        .ai_auto_nav-brand {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-light);
            text-decoration: none;
            display: flex;
            align-items: center;
        }
        
        .ai_auto_nav-brand i {
            color: var(--secondary-color);
            margin-right: 0.5rem;
        }
        
        .ai_auto_nav-links {
            display: flex;
            list-style: none;
            margin: 0;
        }
        
        .ai_auto_nav-links li {
            margin: 0 0.8rem;
        }
        
        .ai_auto_nav-links a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
            padding: 0.5rem 0;
            position: relative;
        }
        
        .ai_auto_nav-links a:hover {
            color: var(--secondary-color);
        }
        
        .ai_auto_nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--secondary-color);
            transition: width 0.3s;
        }
        
        .ai_auto_nav-links a:hover::after {
            width: 100%;
        }
        
        .ai_auto_search-form {
            display: flex;
            margin-left: 1.5rem;
        }
        
        .ai_auto_search-input {
            border: none;
            border-radius: 4px 0 0 4px;
            padding: 0.5rem 1rem;
            width: 220px;
        }
        
        .ai_auto_search-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: 0 4px 4px 0;
            padding: 0.5rem 1rem;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        
        .ai_auto_search-btn:hover {
            background-color: #145a9e;
        }
        
        /* Banner Styles */
        #ai_auto_banner {
            background: linear-gradient(rgba(10, 25, 41, 0.85), rgba(10, 25, 41, 0.85)), url('https://images.unsplash.com/photo-1532094349884-543bc11b234d?q=80&w=2070&auto=format&fit=crop') no-repeat center center/cover;
            color: var(--text-light);
            padding: 5rem 1.5rem;
            text-align: center;
        }
        
        .ai_auto_banner-content {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .ai_auto_banner-title {
            font-size: 2.8rem;
            margin-bottom: 1.2rem;
            font-weight: 700;
        }
        
        .ai_auto_banner-desc {
            font-size: 1.2rem;
            margin-bottom: 2.5rem;
            opacity: 0.9;
        }
        
        .ai_auto_banner-search {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
        }
        
        .ai_auto_banner-search-input {
            flex: 1;
            padding: 0.9rem 1.2rem;
            border: none;
            border-radius: 4px 0 0 4px;
            font-size: 1.1rem;
        }
        
        .ai_auto_banner-search-btn {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 0 1.8rem;
            border-radius: 0 4px 4px 0;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        
        .ai_auto_banner-search-btn:hover {
            background-color: #3d8b40;
        }
        
        /* Article Section Styles */
        #ai_auto_home-artice {
            padding: 4rem 1.5rem;
        }
        
        .ai_auto_section-title {
            text-align: center;
            margin-bottom: 2.5rem;
            position: relative;
            padding-bottom: 1rem;
        }
        
        .ai_auto_section-title h2 {
            font-size: 2.2rem;
            color: var(--primary-color);
            font-weight: 700;
        }
        
        .ai_auto_section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background-color: var(--primary-color);
            border-radius: 2px;
        }
        
        /* Featured Articles - Timeline Layout */
        #ai_auto_feature-article {
            margin-bottom: 4rem;
        }
        
        .ai_auto_timeline-card {
            position: relative;
            background: white;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
            margin-bottom: 2.5rem;
            overflow: hidden;
            transition: transform 0.3s, box-shadow 0.3s;
            border-left: 2px solid var(--primary-color);
        }
        
        .ai_auto_timeline-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
        }
        
        .ai_auto_timeline-date {
            background-color: var(--primary-color);
            color: white;
            padding: 0.8rem 1.2rem;
            font-weight: 600;
            display: inline-block;
        }
        
        .ai_auto_timeline-content {
            display: flex;
            padding: 1.5rem;
        }
        
        .ai_auto_timeline-img {
            flex: 0 0 35%;
            margin-right: 1.5rem;
            border-radius: 6px;
            overflow: hidden;
        }
        
        .ai_auto_timeline-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .ai_auto_timeline-card:hover .ai_auto_timeline-img img {
            transform: scale(1.05);
        }
        
        .ai_auto_timeline-text {
            flex: 1;
        }
        
        .ai_auto_timeline-title {
            font-size: 1.5rem;
            margin-bottom: 0.8rem;
        }
        
        .ai_auto_timeline-title a {
            color: var(--dark-bg);
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .ai_auto_timeline-title a:hover {
            color: var(--primary-color);
        }
        
        .ai_auto_timeline-desc {
            margin-bottom: 1.2rem;
            color: #555;
        }
        
        .ai_auto_timeline-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #777;
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }
        
        .ai_auto_timeline-tags {
            display: flex;
            flex-wrap: wrap;
            margin-top: 0.8rem;
        }
        
        .ai_auto_timeline-tag {
            background-color: rgba(26, 109, 186, 0.1);
            color: var(--primary-color);
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.85rem;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
            text-decoration: none;
            transition: background-color 0.3s;
        }
        
        .ai_auto_timeline-tag:hover {
            background-color: rgba(26, 109, 186, 0.2);
        }
        
        /* Recent Articles - Magazine Layout */
        #ai_auto_last-article {
            margin-bottom: 4rem;
        }
        
        .ai_auto_magazine-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        
        .ai_auto_main-article {
            grid-column: 1;
            grid-row: 1 / span 2;
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s;
        }
        
        .ai_auto_main-article:hover {
            transform: translateY(-5px);
        }
        
        .ai_auto_main-img {
            height: 300px;
            overflow: hidden;
        }
        
        .ai_auto_main-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .ai_auto_main-article:hover .ai_auto_main-img img {
            transform: scale(1.05);
        }
        
        .ai_auto_main-content {
            padding: 1.8rem;
        }
        
        .ai_auto_main-title {
            font-size: 1.7rem;
            margin-bottom: 1rem;
        }
        
        .ai_auto_main-title a {
            color: var(--dark-bg);
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .ai_auto_main-title a:hover {
            color: var(--primary-color);
        }
        
        .ai_auto_main-meta {
            display: flex;
            align-items: center;
            color: #777;
            font-size: 0.9rem;
            margin-bottom: 1.2rem;
        }
        
        .ai_auto_side-articles {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        
        .ai_auto_side-article {
            display: flex;
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s;
        }
        
        .ai_auto_side-article:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
        }
        
        .ai_auto_side-img {
            flex: 0 0 40%;
            height: 150px;
        }
        
        .ai_auto_side-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .ai_auto_side-content {
            flex: 1;
            padding: 1.2rem;
        }
        
        .ai_auto_side-title {
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
        }
        
        .ai_auto_side-title a {
            color: var(--dark-bg);
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .ai_auto_side-title a:hover {
            color: var(--primary-color);
        }
        
        .ai_auto_side-meta {
            color: #777;
            font-size: 0.85rem;
        }
        
        /* Recommended Articles - Image Background Cards */
        #ai_auto_recommend-article {
            margin-bottom: 4rem;
        }
        
        .ai_auto_image-cards {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 2rem;
        }
        
        .ai_auto_image-card {
            position: relative;
            height: 300px;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        }
        
        .ai_auto_image-card-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center;
            transition: transform 0.5s;
        }
        
        .ai_auto_image-card:hover .ai_auto_image-card-bg {
            transform: scale(1.1);
        }
        
        .ai_auto_image-card-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            padding: 1.5rem;
            background: linear-gradient(to top, rgba(10, 25, 41, 0.9), transparent);
            color: white;
            transform: translateY(100px);
            transition: transform 0.4s;
        }
        
        .ai_auto_image-card:hover .ai_auto_image-card-overlay {
            transform: translateY(0);
        }
        
        .ai_auto_image-card-title {
            font-size: 1.4rem;
            margin-bottom: 0.8rem;
        }
        
        .ai_auto_image-card-title a {
            color: white;
            text-decoration: none;
        }
        
        .ai_auto_image-card-meta {
            display: flex;
            align-items: center;
            font-size: 0.9rem;
            opacity: 0.8;
            margin-bottom: 0.8rem;
        }
        
        .ai_auto_image-card-tags {
            display: flex;
            flex-wrap: wrap;
        }
        
        .ai_auto_image-card-tag {
            background-color: rgba(255, 255, 255, 0.2);
            color: white;
            padding: 0.2rem 0.7rem;
            border-radius: 20px;
            font-size: 0.8rem;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
            text-decoration: none;
            transition: background-color 0.3s;
        }
        
        .ai_auto_image-card-tag:hover {
            background-color: rgba(255, 255, 255, 0.3);
        }
        
        /* Subscribe Section */
        #ai_auto_subscribe {
            background: linear-gradient(to right, var(--primary-color), var(--accent-color-1));
            padding: 4rem 1.5rem;
            color: white;
            text-align: center;
        }
        
        .ai_auto_subscribe-container {
            max-width: 700px;
            margin: 0 auto;
        }
        
        .ai_auto_subscribe-title {
            font-size: 2.2rem;
            margin-bottom: 1rem;
        }
        
        .ai_auto_subscribe-desc {
            font-size: 1.1rem;
            margin-bottom: 2rem;
            opacity: 0.9;
        }
        
        .ai_auto_subscribe-form {
            display: flex;
            max-width: 500px;
            margin: 0 auto;
        }
        
        .ai_auto_subscribe-input {
            flex: 1;
            padding: 0.9rem 1.2rem;
            border: none;
            border-radius: 4px 0 0 4px;
            font-size: 1rem;
        }
        
        .ai_auto_subscribe-btn {
            background-color: var(--accent-color-2);
            color: white;
            border: none;
            padding: 0 1.8rem;
            border-radius: 0 4px 4px 0;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        
        .ai_auto_subscribe-btn:hover {
            background-color: #e67e22;
        }
        
        /* Footer Styles */
        #ai_auto_footer {
            background-color: var(--dark-bg);
            color: var(--text-light);
            padding-top: 3.5rem;
        }
        
        .ai_auto_footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2.5rem;
            margin-bottom: 3rem;
        }
        
        .ai_auto_footer-title {
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            color: var(--secondary-color);
            position: relative;
            padding-bottom: 0.8rem;
        }
        
        .ai_auto_footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background-color: var(--secondary-color);
        }
        
        .ai_auto_footer-logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: white;
            margin-bottom: 1rem;
            display: block;
        }
        
        .ai_auto_footer-desc {
            opacity: 0.8;
            line-height: 1.7;
        }
        
        .ai_auto_footer-links {
            list-style: none;
            padding: 0;
        }
        
        .ai_auto_footer-links li {
            margin-bottom: 0.8rem;
        }
        
        .ai_auto_footer-links a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: color 0.3s;
            display: flex;
            align-items: center;
        }
        
        .ai_auto_footer-links a i {
            margin-right: 0.7rem;
            color: var(--secondary-color);
            width: 20px;
            text-align: center;
        }
        
        .ai_auto_footer-links a:hover {
            color: white;
        }
        
        .ai_auto_footer-contact li {
            display: flex;
            align-items: flex-start;
            margin-bottom: 1rem;
        }
        
        .ai_auto_footer-contact i {
            color: var(--secondary-color);
            margin-right: 0.8rem;
            margin-top: 0.2rem;
        }
        
        .ai_auto_copyright {
            background-color: rgba(0, 0, 0, 0.2);
            text-align: center;
            padding: 1.5rem 0;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }
        
        /* Responsive Styles */
        @media (max-width: 992px) {
            .ai_auto_footer-container {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .ai_auto_nav-container {
                flex-wrap: wrap;
            }
            
            .ai_auto_search-form {
                order: 3;
                margin: 1rem 0 0;
                width: 100%;
            }
            
            .ai_auto_search-input {
                width: 100%;
            }
        }
        
        @media (max-width: 768px) {
            .ai_auto_magazine-layout {
                grid-template-columns: 1fr;
            }
            
            .ai_auto_main-article {
                grid-column: 1;
                grid-row: 1;
                margin-bottom: 2rem;
            }
            
            .ai_auto_banner-title {
                font-size: 2.2rem;
            }
            
            .ai_auto_banner-desc {
                font-size: 1rem;
            }
        }
        
        @media (max-width: 576px) {
            .ai_auto_nav-links {
                flex-wrap: wrap;
                margin-top: 1rem;
            }
            
            .ai_auto_nav-links li {
                margin: 0.3rem 0.8rem;
            }
            
            .ai_auto_footer-container {
                grid-template-columns: 1fr;
            }
            
            .ai_auto_image-cards {
                grid-template-columns: 1fr;
            }
            
            .ai_auto_subscribe-form,
            .ai_auto_banner-search {
                flex-direction: column;
            }
            
            .ai_auto_banner-search-input,
            .ai_auto_banner-search-btn,
            .ai_auto_subscribe-input,
            .ai_auto_subscribe-btn {
                width: 100%;
                border-radius: 4px;
                margin-bottom: 0.5rem;
            }
        }