:root {
            --ai_auto_primary: #1E6B52;
            --ai_auto_secondary: #8FC1A9;
            --ai_auto_accent1: #F4A261;
            --ai_auto_accent2: #61304B;
            --ai_auto_light: #F8F9FA;
            --ai_auto_dark: #212529;
            --ai_auto_text: #333;
        }
        
        body {
            font-family: 'Georgia', serif;
            background-color: #f0f7f4;
            color: var(--ai_auto_text);
            background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="%23e0f0e9"/><path d="M0,0 Q50,20 100,0 T100,100 Q50,80 0,100 Z" fill="%23d4e8e0" opacity="0.6"/></svg>');
            background-size: cover;
        }
        
        /* Navigation Styles */
        #ai_auto_navbar {
            background-color: var(--ai_auto_primary);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            padding: 0.8rem 1rem;
            border-bottom: 3px solid var(--ai_auto_accent1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        
        .ai_auto_navbar-brand {
            font-family: 'Times New Roman', serif;
            font-size: 1.8rem;
            font-weight: 700;
            color: white !important;
            text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
            letter-spacing: 1px;
        }
        
        .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: 4px;
            transition: all 0.3s ease;
            position: relative;
        }
        
        .ai_auto_nav-link:hover {
            color: white !important;
            background: rgba(255, 255, 255, 0.15);
        }
        
        .ai_auto_nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--ai_auto_accent1);
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }
        
        .ai_auto_nav-link:hover::after {
            width: 70%;
        }
        
        .ai_auto_search-form {
            position: relative;
            max-width: 300px;
        }
        
        .ai_auto_search-input {
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            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);
            box-shadow: 0 0 0 0.25rem rgba(143, 193, 169, 0.5);
            border-color: white;
        }
        
        .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(135deg, var(--ai_auto_primary) 0%, #2a8c66 100%);
            padding: 5rem 0;
            margin-bottom: 3rem;
            border-bottom: 5px solid var(--ai_auto_accent1);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            position: relative;
            overflow: hidden;
        }
        
        .ai_auto_banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: white;
            max-width: 800px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        
        .ai_auto_banner-title {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
            letter-spacing: 0.5px;
        }
        
        .ai_auto_banner-desc {
            font-size: 1.3rem;
            margin-bottom: 2.5rem;
            opacity: 0.9;
            line-height: 1.6;
        }
        
        .ai_auto_banner-form {
            max-width: 600px;
            margin: 0 auto;
        }
        
        .ai_auto_banner-input {
            padding: 1.2rem 1.5rem;
            border-radius: 50px;
            border: none;
            font-size: 1.1rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        .ai_auto_banner-btn {
            position: absolute;
            right: 5px;
            /*top: 5px;*/
            padding: 0.9rem 1.8rem;
            border-radius: 50px;
            background: var(--ai_auto_accent1);
            color: white;
            font-weight: 600;
            border: none;
            transition: all 0.3s ease;
        }
        
        .ai_auto_banner-btn:hover {
            background: #e69148;
            transform: translateY(-2px);
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
        }
        
        /* Section Headings */
        .ai_auto_section-heading {
            position: relative;
            margin-bottom: 2.5rem;
            padding-bottom: 1rem;
            text-align: center;
            font-weight: 700;
            color: var(--ai_auto_primary);
        }
        
        .ai_auto_section-heading::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background: var(--ai_auto_accent1);
            border-radius: 2px;
        }
        
        /* Article Sections */
        #ai_auto_home-artice {
            padding: 4rem 0;
        }
        
        /* Featured Articles - Magazine Layout */
        #ai_auto_feature-article {
            margin-bottom: 4rem;
        }
        
        .ai_auto_feature-main {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
            border: 1px solid rgba(0, 0, 0, 0.05);
        }
        
        .ai_auto_feature-main:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }
        
        .ai_auto_feature-img {
            height: 350px;
            width: 100%;
            object-fit: cover;
            border-bottom: 4px solid var(--ai_auto_accent1);
        }
        
        .ai_auto_feature-content {
            padding: 1.8rem;
        }
        
        .ai_auto_feature-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--ai_auto_primary);
        }
        
        .ai_auto_feature-desc {
            color: #555;
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }
        
        .ai_auto_feature-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: #777;
            font-size: 0.9rem;
        }
        
        .ai_auto_feature-author {
            display: flex;
            align-items: center;
        }
        
        .ai_auto_feature-author i {
            margin-right: 0.5rem;
            color: var(--ai_auto_accent1);
        }
        
        .ai_auto_feature-side {
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        
        .ai_auto_feature-side-item {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            margin-bottom: 1.5rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s ease;
            display: flex;
            height: calc(20% - 1.2rem);
            border: 1px solid rgba(0, 0, 0, 0.05);
        }
        
        .ai_auto_feature-side-item:hover {
            transform: translateX(5px);
        }
        
        .ai_auto_feature-side-img {
            width: 250px;
            height: 150px;
            object-fit: cover;
        }
        
        .ai_auto_feature-side-content {
            padding: 1.2rem;
            width: 60%;
        }
        
        .ai_auto_feature-side-title {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--ai_auto_primary);
        }
        
        .ai_auto_feature-side-meta {
            font-size: 0.85rem;
            color: #777;
        }
        
        /* Recent Articles - Timeline Layout */
        #ai_auto_last-article {
            margin-bottom: 4rem;
            padding: 3rem 0;
            background: white;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            border: 1px solid rgba(0, 0, 0, 0.05);
        }
        
        .ai_auto_timeline {
            position: relative;
            padding-left: 2.5rem;
            margin-left: 1.5rem;
        }
        
        .ai_auto_timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--ai_auto_secondary);
            border-radius: 2px;
        }
        
        .ai_auto_timeline-item {
            position: relative;
            margin-bottom: 3rem;
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            overflow: hidden;
            display: flex;
            border: 1px solid rgba(0, 0, 0, 0.05);
        }
        
        .ai_auto_timeline-item:last-child {
            margin-bottom: 0;
        }
        
        .ai_auto_timeline-dot {
            position: absolute;
            left: -2.35rem;
            top: 20px;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--ai_auto_primary);
            border: 4px solid white;
            box-shadow: 0 0 0 2px var(--ai_auto_primary);
            z-index: 2;
        }
        
        .ai_auto_timeline-img {
            width: 300px;
            height: 250px;
            object-fit: cover;
            border-right: 3px solid var(--ai_auto_accent1);
        }
        
        .ai_auto_timeline-content {
            padding: 1.5rem;
            width: 60%;
        }
        
        .ai_auto_timeline-date {
            display: inline-block;
            background: var(--ai_auto_secondary);
            color: white;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.85rem;
            margin-bottom: 1rem;
        }
        
        .ai_auto_timeline-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            color: var(--ai_auto_primary);
        }
        
        .ai_auto_timeline-desc {
            color: #555;
            line-height: 1.6;
            margin-bottom: 1.2rem;
        }
        
        .ai_auto_timeline-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        
        .ai_auto_timeline-tag {
            background: rgba(143, 193, 169, 0.2);
            color: var(--ai_auto_primary);
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.85rem;
            transition: all 0.2s ease;
        }
        
        .ai_auto_timeline-tag:hover {
            background: var(--ai_auto_secondary);
            color: white;
        }
        
        /* Recommended Articles - Card Waterfall Layout */
        #ai_auto_recommend-article {
            padding: 3rem 0;
        }
        
        .ai_auto_waterfall {
            column-count: 3;
            column-gap: 1.5rem;
        }
        
        .ai_auto_waterfall-item {
            break-inside: avoid;
            margin-bottom: 1.5rem;
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            border: 1px solid rgba(0, 0, 0, 0.05);
        }
        
        .ai_auto_waterfall-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
        }
        
        .ai_auto_waterfall-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-bottom: 3px solid var(--ai_auto_accent1);
        }
        
        .ai_auto_waterfall-content {
            padding: 1.5rem;
        }
        
        .ai_auto_waterfall-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            color: var(--ai_auto_primary);
        }
        
        .ai_auto_waterfall-desc {
            color: #555;
            line-height: 1.6;
            margin-bottom: 1.2rem;
            font-size: 0.95rem;
        }
        
        .ai_auto_waterfall-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: #777;
        }
        
        /* Subscribe Section */
        #ai_auto_subscribe {
            background: linear-gradient(135deg, var(--ai_auto_primary) 0%, #2a8c66 100%);
            padding: 5rem 0;
            margin: 3rem 0;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
            position: relative;
            overflow: hidden;
        }
        
        .ai_auto_subscribe-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: white;
            max-width: 700px;
            margin: 0 auto;
        }
        
        .ai_auto_subscribe-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 1.2rem;
        }
        
        .ai_auto_subscribe-desc {
            font-size: 1.2rem;
            margin-bottom: 2.5rem;
            opacity: 0.9;
            line-height: 1.6;
        }
        
        .ai_auto_subscribe-form {
            max-width: 500px;
            margin: 0 auto;
        }
        
        .ai_auto_subscribe-input {
            padding: 1.1rem 1.5rem;
            border-radius: 50px;
            border: none;
            font-size: 1.1rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        .ai_auto_subscribe-btn {
            padding: 1rem 2.5rem;
            border-radius: 50px;
            background: var(--ai_auto_accent1);
            color: white;
            font-weight: 600;
            border: none;
            transition: all 0.3s ease;
            margin-top: 1.5rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        .ai_auto_subscribe-btn:hover {
            background: #e69148;
            transform: translateY(-3px);
            box-shadow: 0 7px 20px rgba(0, 0, 0, 0.25);
        }
        
        /* Footer Styles */
        #ai_auto_footer {
            background: var(--ai_auto_dark);
            color: rgba(255, 255, 255, 0.8);
            padding-top: 4rem;
        }
        
        .ai_auto_footer-column {
            margin-bottom: 2.5rem;
        }
        
        .ai_auto_footer-title {
            font-size: 1.3rem;
            font-weight: 600;
            color: white;
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 0.8rem;
        }
        
        .ai_auto_footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--ai_auto_accent1);
        }
        
        .ai_auto_footer-logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: white;
            margin-bottom: 1rem;
            display: block;
        }
        
        .ai_auto_footer-desc {
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }
        
        .ai_auto_footer-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .ai_auto_footer-list li {
            margin-bottom: 0.8rem;
        }
        
        .ai_auto_footer-list a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: all 0.2s ease;
            display: inline-block;
        }
        
        .ai_auto_footer-list a:hover {
            color: white;
            transform: translateX(5px);
        }
        
        .ai_auto_footer-contact {
            display: flex;
            align-items: flex-start;
            margin-bottom: 1rem;
        }
        
        .ai_auto_footer-contact i {
            color: var(--ai_auto_secondary);
            margin-right: 1rem;
            margin-top: 0.3rem;
        }
        
        .ai_auto_copyright {
            background: rgba(0, 0, 0, 0.2);
            padding: 1.5rem 0;
            text-align: center;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        /* Responsive adjustments */
        @media (max-width: 992px) {
            .ai_auto_waterfall {
                column-count: 2;
            }
            
            .ai_auto_feature-side-item {
                flex-direction: column;
                height: auto;
            }
            
            .ai_auto_feature-side-img {
                width: 100%;
                height: 150px;
            }
            
            .ai_auto_feature-side-content {
                width: 100%;
            }
        }
        
        @media (max-width: 768px) {
            .ai_auto_waterfall {
                column-count: 1;
            }
            
            .ai_auto_timeline-item {
                flex-direction: column;
            }
            
            .ai_auto_timeline-img {
                width: 100%;
                height: 200px;
                border-right: none;
                border-bottom: 3px solid var(--ai_auto_accent1);
            }
            
            .ai_auto_timeline-content {
                width: 100%;
            }
            
            .ai_auto_banner-title {
                font-size: 2.2rem;
            }
            
            .ai_auto_banner-desc {
                font-size: 1.1rem;
            }
        }
        
        @media (max-width: 576px) {
            .ai_auto_navbar-nav {
                margin-top: 1rem;
            }
            
            .ai_auto_search-form {
                margin-top: 1rem;
                max-width: 100%;
            }
        }
        
        /* Evolution Pattern Background */
        .ai_auto_evolution-pattern {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0.05;
            background-image: 
                radial-gradient(circle at 10% 20%, var(--ai_auto_accent1) 0px, transparent 1px),
                radial-gradient(circle at 90% 80%, var(--ai_auto_accent2) 0px, transparent 2px),
                radial-gradient(circle at 30% 50%, var(--ai_auto_secondary) 0px, transparent 3px);
            background-size: 200px 200px;
        }