:root {
            --primary-color: #1A6B54;
            --secondary-color: #3A9D7C;
            --accent-color: #8AC4A5;
            --light-color: #E6F4EA;
            --dark-color: #0d3b2d;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #f8fcfb 0%, #eaf7f3 100%);
            color: #333;
            background-attachment: fixed;
        }
        
        /* 导航栏样式 */
        #ai_auto_navbar {
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 15px rgba(26, 107, 84, 0.1);
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        
        .ai_auto_navbar-brand {
            color: var(--primary-color);
            font-weight: 700;
            font-size: 1.8rem;
            display: flex;
            align-items: center;
        }
        
        .ai_auto_navbar-brand i {
            margin-right: 10px;
            color: var(--secondary-color);
        }
        
        .ai_auto_nav-link {
            color: var(--dark-color);
            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: var(--primary-color);
            color: white !important;
        }
        
        .ai_auto_search-form {
            position: relative;
            max-width: 300px;
        }
        
        .ai_auto_search-input {
            border-radius: 30px;
            padding: 10px 20px;
            border: 2px solid var(--accent-color);
            background-color: rgba(138, 196, 165, 0.1);
        }
        
        .ai_auto_search-btn {
            position: absolute;
            right: 8px;
            top: 27px;
            transform: translateY(-50%);
            background: none;
            border: none;
            color: var(--primary-color);
        }
        
        /* Banner 样式 */
        #ai_auto_banner {
            background: linear-gradient(rgba(26, 107, 84, 0.85), rgba(58, 157, 124, 0.85)), 
                        url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect fill="none" width="100" height="100"/><path d="M0,0 Q50,25 100,0 T100,100 Q50,75 0,100 T0,0 Z" fill="%231A6B54" opacity="0.1"/></svg>');
            background-size: cover;
            background-position: center;
            padding: 100px 0;
            color: white;
            text-align: center;
            margin-bottom: 60px;
            position: relative;
            overflow: hidden;
        }
        
        .ai_auto_banner::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200"><path d="M40,100 C60,80 80,120 100,100 C120,80 140,120 160,100 L180,120 L180,180 L40,180 Z" fill="%238AC4A5" opacity="0.2"/></svg>');
            background-size: contain;
            background-position: bottom;
            opacity: 0.4;
        }
        
        .ai_auto_banner-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }
        
        .ai_auto_banner-desc {
            font-size: 1.3rem;
            max-width: 700px;
            margin: 0 auto 40px;
            opacity: 0.9;
        }
        
        .ai_auto_banner-search {
            max-width: 600px;
            margin: 0 auto;
        }

        .ai_auto_banner-search .ai_auto_search-btn {
            border: 1px solid #ddd;
            right: -0px;
            border-left: 0;
        }
        
        /* 文章区域通用样式 */
        #ai_auto_home-artice {
            padding: 40px 0;
        }
        
        .ai_auto_section-title {
            position: relative;
            margin-bottom: 30px;
            padding-bottom: 15px;
            font-weight: 700;
            color: var(--dark-color);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        
        .ai_auto_section-title::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            border-radius: 2px;
        }
        
        /* 特色文章 - 单列时间线卡片 */
        #ai_auto_feature-article .ai_auto_timeline-card {
            border-left: 3px solid var(--primary-color);
            padding-left: 25px;
            margin-bottom: 40px;
            position: relative;
        }
        
        #ai_auto_feature-article .ai_auto_timeline-card::before {
            content: "";
            position: absolute;
            left: -8px;
            top: 0;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background-color: var(--secondary-color);
            border: 2px solid white;
            box-shadow: 0 0 0 2px var(--secondary-color);
        }
        
        #ai_auto_feature-article .ai_auto_card-date {
            background-color: var(--primary-color);
            color: white;
            display: inline-block;
            padding: 5px 15px;
            border-radius: 4px;
            font-size: 0.9rem;
            margin-bottom: 15px;
        }
        
        #ai_auto_feature-article .ai_auto_card-inner {
            background-color: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            display: flex;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        
        #ai_auto_feature-article .ai_auto_card-inner:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
        }
        
        #ai_auto_feature-article .ai_auto_card-img {
            width: 40%;
            object-fit: cover;
        }
        
        #ai_auto_feature-article .ai_auto_card-body {
            padding: 25px;
            width: 60%;
        }
        
        #ai_auto_feature-article .ai_auto_card-title {
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--dark-color);
            font-size: 1.4rem;
        }
        
        #ai_auto_feature-article .ai_auto_card-desc {
            color: #555;
            margin-bottom: 15px;
            line-height: 1.6;
        }
        
        #ai_auto_feature-article .ai_auto_card-author {
            color: var(--secondary-color);
            font-weight: 500;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }
        
        #ai_auto_feature-article .ai_auto_card-author i {
            margin-right: 8px;
        }
        
        #ai_auto_feature-article .ai_auto_card-labels {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        
        #ai_auto_feature-article .ai_auto_card-label {
            background-color: var(--light-color);
            color: var(--primary-color);
            padding: 5px 12px;
            border-radius: 30px;
            font-size: 0.85rem;
            transition: all 0.3s ease;
            text-decoration: none;
        }
        
        #ai_auto_feature-article .ai_auto_card-label:hover {
            background-color: var(--primary-color);
            color: white;
        }
        
        /* 最近文章 - 杂志式排版 */
        #ai_auto_last-article .ai_auto_magazine-layout {
            display: flex;
            gap: 30px;
            margin-bottom: 50px;
        }
        
        #ai_auto_last-article .ai_auto_main-article {
            flex: 1;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            position: relative;
            height: 500px;
        }
        
        #ai_auto_last-article .ai_auto_main-article-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        #ai_auto_last-article .ai_auto_main-article:hover .ai_auto_main-article-img {
            transform: scale(1.05);
        }
        
        #ai_auto_last-article .ai_auto_main-article-content {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 30px;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
            color: white;
        }
        
        #ai_auto_last-article .ai_auto_main-article-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 15px;
        }
        
        #ai_auto_last-article .ai_auto_main-article-meta {
            display: flex;
            gap: 20px;
            font-size: 0.9rem;
            opacity: 0.9;
        }
        
        #ai_auto_last-article .ai_auto_side-articles {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        
        #ai_auto_last-article .ai_auto_side-article {
            display: flex;
            gap: 20px;
            padding-bottom: 25px;
            border-bottom: 1px solid rgba(0, 0, 0, 0.1);
        }
        
        #ai_auto_last-article .ai_auto_side-article:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        
        #ai_auto_last-article .ai_auto_side-article-img {
            width: 150px;
            height: 120px;
            border-radius: 8px;
            object-fit: cover;
        }
        
        #ai_auto_last-article .ai_auto_side-article-content {
            flex: 1;
        }
        
        #ai_auto_last-article .ai_auto_side-article-title {
            font-weight: 600;
            margin-bottom: 8px;
            font-size: 1.1rem;
        }
        
        #ai_auto_last-article .ai_auto_side-article-meta {
            color: var(--secondary-color);
            font-size: 0.9rem;
        }
        
        /* 推荐文章 - 图文背景融合卡 */
        #ai_auto_recommend-article .ai_auto_blend-cards {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 30px;
            margin-top: 30px;
        }
        
        #ai_auto_recommend-article .ai_auto_blend-card {
            border-radius: 12px;
            overflow: hidden;
            position: relative;
            height: 300px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease;
        }
        
        #ai_auto_recommend-article .ai_auto_blend-card:hover {
            transform: translateY(-10px);
        }
        
        #ai_auto_recommend-article .ai_auto_blend-card-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        #ai_auto_recommend-article .ai_auto_blend-card:hover .ai_auto_blend-card-img {
            transform: scale(1.1);
        }
        
        #ai_auto_recommend-article .ai_auto_blend-card-content {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px;
            background: linear-gradient(transparent, rgba(26, 107, 84, 0.9));
            color: white;
            transform: translateY(100px);
            transition: transform 0.4s ease;
        }
        
        #ai_auto_recommend-article .ai_auto_blend-card:hover .ai_auto_blend-card-content {
            transform: translateY(0);
        }
        
        #ai_auto_recommend-article .ai_auto_blend-card-title {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 10px;
        }
        
        #ai_auto_recommend-article .ai_auto_blend-card-meta {
            display: flex;
            justify-content: space-between;
            font-size: 0.9rem;
            opacity: 0.9;
        }
        
        /* 订阅区域 */
        #ai_auto_subscribe {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
            padding: 80px 0;
            margin: 60px 0;
            color: white;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .ai_auto_subscribe-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200"><circle cx="50" cy="50" r="8" fill="%23E6F4EA" opacity="0.2"/><circle cx="150" cy="100" r="12" fill="%23E6F4EA" opacity="0.2"/><circle cx="80" cy="180" r="10" fill="%23E6F4EA" opacity="0.2"/><circle cx="180" cy="30" r="6" fill="%23E6F4EA" opacity="0.2"/></svg>');
            background-size: 400px;
            opacity: 0.3;
        }
        
        .ai_auto_subscribe-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 15px;
            position: relative;
            z-index: 2;
        }
        
        .ai_auto_subscribe-desc {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 30px;
            opacity: 0.9;
            position: relative;
            z-index: 2;
        }
        
        .ai_auto_subscribe-form {
            max-width: 500px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }
        
        .ai_auto_subscribe-input {
            border-radius: 50px;
            padding: 15px 25px;
            border: none;
            width: 100%;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        .ai_auto_subscribe-btn {
            position: absolute;
            right: 5px;
            top: 5px;
            bottom: 5px;
            background-color: var(--dark-color);
            color: white;
            border: none;
            padding: 0 30px;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .ai_auto_subscribe-btn:hover {
            background-color: #08251d;
        }
        
        /* Footer 样式 */
        #ai_auto_footer {
            background-color: var(--dark-color);
            color: #ddd;
            padding: 70px 0 0;
        }
        
        .ai_auto_footer-title {
            color: white;
            font-weight: 600;
            font-size: 1.2rem;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .ai_auto_footer-title::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background-color: var(--accent-color);
            border-radius: 2px;
        }
        
        .ai_auto_footer-links {
            list-style: none;
            padding: 0;
        }
        
        .ai_auto_footer-links li {
            margin-bottom: 12px;
        }
        
        .ai_auto_footer-links a {
            color: #bbb;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        .ai_auto_footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        
        .ai_auto_footer-contact p {
            display: flex;
            align-items: center;
            margin-bottom: 12px;
        }
        
        .ai_auto_footer-contact i {
            color: var(--accent-color);
            margin-right: 10px;
            width: 20px;
        }
        
        .ai_auto_footer-copyright {
            background-color: rgba(0, 0, 0, 0.3);
            padding: 20px 0;
            margin-top: 50px;
            text-align: center;
            font-size: 0.9rem;
            color: #aaa;
        }
        
        /* 响应式调整 */
        @media (max-width: 992px) {
            #ai_auto_feature-article .ai_auto_card-inner {
                flex-direction: column;
            }
            
            #ai_auto_feature-article .ai_auto_card-img,
            #ai_auto_feature-article .ai_auto_card-body {
                width: 100%;
            }
            
            #ai_auto_feature-article .ai_auto_card-img {
                height: 250px;
            }
            
            #ai_auto_last-article .ai_auto_magazine-layout {
                flex-direction: column;
            }
            
            #ai_auto_last-article .ai_auto_main-article {
                height: 400px;
            }
        }
        
        @media (max-width: 768px) {
            .ai_auto_banner-title {
                font-size: 2.5rem;
            }
            
            .ai_auto_banner-desc {
                font-size: 1.1rem;
            }
            
            .ai_auto_subscribe-title {
                font-size: 2rem;
            }
        }