:root {
            --primary-color: #1a6b54;
            --secondary-color: #d4e8d9;
            --accent-color-1: #4a7c59;
            --accent-color-2: #e8e1d4;
            --text-dark: #0a2e23;
            --text-light: #f8f9fa;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: var(--text-dark);
            background-color: #ffffff;
            line-height: 1.6;
        }
        
        /* Navigation Styles */
        #ai_auto_navbar {
            background-color: white;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        
        #ai_auto_navbar .navbar-brand {
            color: var(--primary-color);
            font-weight: 700;
            font-size: 1.5rem;
            letter-spacing: -0.5px;
        }
        
        #ai_auto_navbar .nav-link {
            color: var(--text-dark);
            font-weight: 500;
            margin: 0 10px;
            transition: color 0.3s;
            position: relative;
        }
        
        #ai_auto_navbar .nav-link:hover {
            color: var(--primary-color);
        }
        
        #ai_auto_navbar .nav-link::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary-color);
            transition: width 0.3s;
        }
        
        #ai_auto_navbar .nav-link:hover::after {
            width: 100%;
        }
        
        /* Banner Styles */
        #ai_auto_banner {
            background: linear-gradient(rgba(26, 107, 84, 0.9), rgba(26, 107, 84, 0.85)), url('https://images.unsplash.com/photo-1584036561566-baf8f5f1b144?ixlib=rb-4.0.3&auto=format&fit=crop&w=1950&q=80');
            background-size: cover;
            background-position: center;
            padding: 100px 0;
            color: white;
            text-align: center;
        }
        
        #ai_auto_banner h1 {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 20px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        
        #ai_auto_banner p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        
        .search-form {
            max-width: 700px;
            margin: 0 auto;
        }
        
        /* Article Section Styles */
        #ai_auto_home-artice {
            padding: 80px 0;
        }
        
        .section-title {
            position: relative;
            margin-bottom: 40px;
            font-weight: 700;
            color: var(--text-dark);
            text-align: center;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background-color: var(--primary-color);
        }
        
        /* Featured Articles - Card Waterfall Layout */
        #ai_auto_feature-article {
            margin-bottom: 80px;
        }
        
        .feature-card {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s, box-shadow 0.3s;
            margin-bottom: 30px;
            height: 100%;
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 12px 25px rgba(0,0,0,0.1);
        }
        
        .feature-img-container {
            height: 200px;
            overflow: hidden;
        }
        
        .feature-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .feature-card:hover .feature-img {
            transform: scale(1.05);
        }
        
        .feature-content {
            padding: 20px;
        }
        
        .feature-content .badge {
            background-color: var(--secondary-color);
            color: var(--primary-color);
            margin-right: 5px;
            margin-bottom: 10px;
            font-weight: 500;
        }
        
        /* Latest Articles - Magazine Layout */
        #ai_auto_last-article {
            margin-bottom: 80px;
        }
        
        .magazine-layout {
            display: flex;
            gap: 30px;
        }
        
        .main-feature {
            flex: 1;
            position: relative;
            border-radius: 8px;
            overflow: hidden;
            height: 500px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
        }
        
        .main-feature-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .main-feature-content {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 30px;
            background: linear-gradient(transparent, rgba(0,0,0,0.8));
            color: white;
        }
        
        .side-articles {
            flex: 1;
        }
        
        .side-article {
            display: flex;
            margin-bottom: 25px;
            padding-bottom: 25px;
            border-bottom: 1px solid rgba(0,0,0,0.1);
        }
        
        .side-article:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        
        .side-article-img {
            width: 120px;
            height: 100px;
            object-fit: cover;
            border-radius: 5px;
            margin-right: 20px;
        }
        
        .side-article-content {
            flex: 1;
        }
        
        /* Recommended Articles - List with Image */
        #ai_auto_recommend-article {
            margin-bottom: 80px;
        }
        
        .list-article {
            display: flex;
            align-items: center;
            padding: 20px 0;
            border-bottom: 1px solid rgba(0,0,0,0.1);
            transition: background-color 0.3s;
        }
        
        .list-article:hover {
            background-color: rgba(212, 232, 217, 0.2);
        }
        
        .list-article-img {
            width: 150px;
            height: 100px;
            object-fit: cover;
            border-radius: 5px;
            margin-right: 25px;
        }
        
        .list-article-content {
            flex: 1;
        }
        
        .list-article-meta {
            display: flex;
            align-items: center;
            color: #6c757d;
            font-size: 0.9rem;
            margin-top: 8px;
        }
        
        .list-article-meta span {
            margin-right: 15px;
        }
        
        .list-article-meta i {
            margin-right: 5px;
            color: var(--accent-color-1);
        }
        
        /* Subscribe Section */
        #ai_auto_subscribe {
            background-color: var(--secondary-color);
            padding: 80px 0;
            text-align: center;
        }
        
        .subscribe-content {
            max-width: 700px;
            margin: 0 auto;
        }
        
        /* Footer Styles */
        #ai_auto_footer {
            background-color: var(--text-dark);
            color: white;
            padding: 60px 0 0;
        }
        
        .footer-title {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background-color: var(--primary-color);
        }
        
        .footer-links {
            list-style: none;
            padding: 0;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: rgba(255,255,255,0.7);
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-links a:hover {
            color: white;
        }
        
        .copyright {
            text-align: center;
            padding: 20px 0;
            margin-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
        }
        
        /* Responsive Adjustments */
        @media (max-width: 992px) {
            .magazine-layout {
                flex-direction: column;
            }
            
            .main-feature {
                height: 400px;
                margin-bottom: 30px;
            }
        }
        
        @media (max-width: 768px) {
            .list-article {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .list-article-img {
                width: 100%;
                height: 200px;
                margin-right: 0;
                margin-bottom: 15px;
            }
        }
        
        /* Custom Utilities */
        .btn-primary-custom {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            padding: 10px 20px;
            font-weight: 500;
        }
        
        .btn-primary-custom:hover {
            background-color: #145244;
            border-color: #145244;
        }
        
        .form-control-custom {
            padding: 12px 20px;
            border: 1px solid #ced4da;
            border-radius: 4px;
        }
        
        .form-control-custom:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.25rem rgba(26, 107, 84, 0.25);
        }