:root {
            --ai_auto_primary: #2C3E50;
            --ai_auto_secondary: #3498DB;
            --ai_auto_accent1: #1ABC9C;
            --ai_auto_accent2: #E74C3C;
            --ai_auto_light: #ecf0f1;
            --ai_auto_dark: #1a252f;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #1a252f 0%, #2c3e50 100%);
            color: var(--ai_auto_light);
            background-attachment: fixed;
        }
        
        /* 拟物风格元素 */
        .ai_auto_skeuo {
            background: linear-gradient(145deg, #3a506b, #1e2a38);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 16px;
            box-shadow: 5px 5px 15px rgba(0, 0, 0, 0.5),
                        -5px -5px 15px rgba(58, 80, 107, 0.3),
                        inset 2px 2px 5px rgba(255, 255, 255, 0.05),
                        inset -2px -2px 5px rgba(0, 0, 0, 0.3);
            padding: 25px;
            margin-bottom: 30px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .ai_auto_skeuo:hover {
            transform: translateY(-5px);
            box-shadow: 8px 8px 20px rgba(0, 0, 0, 0.6),
                        -8px -8px 20px rgba(58, 80, 107, 0.4);
        }
        
        .ai_auto_skeuo::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--ai_auto_secondary), var(--ai_auto_accent1));
            border-radius: 16px 16px 0 0;
        }
        
        /* 导航栏样式 */
        #ai_auto_navbar {
            background: rgba(26, 37, 47, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        
        .ai_auto_navbar-brand {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--ai_auto_light);
            letter-spacing: 1px;
            text-transform: uppercase;
            display: flex;
            align-items: center;
        }
        
        .ai_auto_navbar-brand i {
            color: var(--ai_auto_accent1);
            margin-right: 10px;
            font-size: 2rem;
        }
        
        .ai_auto_nav-link {
            color: var(--ai_auto_light) !important;
            font-weight: 500;
            margin: 0 12px;
            padding: 8px 15px !important;
            border-radius: 30px;
            transition: all 0.3s ease;
            position: relative;
        }
        
        .ai_auto_nav-link:hover {
            color: var(--ai_auto_light) !important;
            background: rgba(52, 152, 219, 0.2);
        }
        
        .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: 400px;
        }
        
        .ai_auto_search-form input {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 30px;
            color: white;
            padding: 10px 20px;
            padding-right: 50px;
            width: 100%;
            transition: all 0.3s ease;
        }
        
        .ai_auto_search-form input:focus {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--ai_auto_accent1);
            box-shadow: 0 0 0 0.25rem rgba(26, 188, 156, 0.25);
            outline: none;
        }
        
        .ai_auto_search-form button {
            position: absolute;
            right: 5px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--ai_auto_accent1);
            border: none;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }
        
        .ai_auto_search-form button:hover {
            background: var(--ai_auto_secondary);
            transform: translateY(-50%) scale(1.05);
        }
        
        /* Banner 样式 */
        #ai_auto_banner {
            padding: 100px 0;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Q50,80 0,100" fill="%232C3E50"/></svg>') bottom no-repeat, 
                        linear-gradient(135deg, #1a252f 0%, #2c3e50 100%);
            background-size: 100% auto, cover;
            margin-bottom: 80px;
            position: relative;
            overflow: hidden;
        }
        
        #ai_auto_banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200"><rect x="0" y="0" width="200" height="200" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="1"/><circle cx="50" cy="50" r="3" fill="rgba(255,255,255,0.05)"/><circle cx="150" cy="100" r="5" fill="rgba(255,255,255,0.05)"/><circle cx="100" cy="150" r="7" fill="rgba(255,255,255,0.05)"/></svg>');
            background-size: 150px;
            opacity: 0.2;
            z-index: 0;
        }
        
        .ai_auto_banner-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }
        
        .ai_auto_banner-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 20px;
            color: white;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        }
        
        .ai_auto_banner-subtitle {
            font-size: 1.3rem;
            margin-bottom: 40px;
            opacity: 0.9;
            line-height: 1.7;
        }
        
        /* 文章展示区域 */
        #ai_auto_home-artice {
            padding: 60px 0;
        }
        
        .ai_auto_section-title {
            position: relative;
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 30px;
            padding-bottom: 15px;
            color: white;
            display: inline-block;
        }
        
        .ai_auto_section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 70px;
            height: 4px;
            background: var(--ai_auto_accent1);
            border-radius: 2px;
        }
        
        /* 特色文章 - 杂志式排版 */
        #ai_auto_feature-article .ai_auto_feature-main {
            border-radius: 16px;
            overflow: hidden;
            height: 100%;
            position: relative;
        }
        
        #ai_auto_feature-article .ai_auto_feature-main-img {
            height: 100%;
            width: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        #ai_auto_feature-article .ai_auto_feature-main-content {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 30px;
            background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
            color: white;
        }
        
        #ai_auto_feature-article .ai_auto_feature-main:hover .ai_auto_feature-main-img {
            transform: scale(1.05);
        }
        
        #ai_auto_feature-article .ai_auto_feature-side {
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        
        #ai_auto_feature-article .ai_auto_feature-side-item {
            display: flex;
            margin-bottom: 20px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        
        #ai_auto_feature-article .ai_auto_feature-side-item:hover {
            transform: translateX(10px);
            background: rgba(255, 255, 255, 0.08);
        }
        
        #ai_auto_feature-article .ai_auto_feature-side-img {
            width: 120px;
            height: 100px;
            object-fit: cover;
        }
        
        #ai_auto_feature-article .ai_auto_feature-side-content {
            padding: 15px;
            flex: 1;
        }
        
        /* 最近文章 - 单列时间线卡片 */
        #ai_auto_last-article .ai_auto_timeline-card {
            position: relative;
            padding: 25px;
            padding-left: 100px;
            margin-bottom: 30px;
            border-left: 2px solid var(--ai_auto_accent1);
        }
        
        #ai_auto_last-article .ai_auto_timeline-date {
            position: absolute;
            left: 0;
            top: 25px;
            background: var(--ai_auto_secondary);
            color: white;
            padding: 8px 15px;
            border-radius: 0 8px 8px 0;
            font-weight: 600;
            min-width: 80px;
            text-align: center;
        }
        
        #ai_auto_last-article .ai_auto_timeline-content {
            display: flex;
            gap: 25px;
        }
        
        #ai_auto_last-article .ai_auto_timeline-img {
            width: 200px;
            height: 150px;
            object-fit: cover;
            border-radius: 10px;
            flex-shrink: 0;
        }
        
        /* 推荐文章 - 图文背景融合卡 */
        #ai_auto_recommend-article .ai_auto_fusion-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 25px;
        }
        
        #ai_auto_recommend-article .ai_auto_fusion-card {
            height: 300px;
            border-radius: 16px;
            overflow: hidden;
            position: relative;
            isolation: isolate;
        }
        
        #ai_auto_recommend-article .ai_auto_fusion-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        #ai_auto_recommend-article .ai_auto_fusion-content {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 25px;
            background: linear-gradient(to top, rgba(44, 62, 80, 0.95), transparent);
            color: white;
            transform: translateY(100px);
            transition: all 0.4s ease;
        }
        
        #ai_auto_recommend-article .ai_auto_fusion-card:hover .ai_auto_fusion-content {
            transform: translateY(0);
        }
        
        #ai_auto_recommend-article .ai_auto_fusion-card:hover .ai_auto_fusion-img {
            transform: scale(1.1);
        }
        
        /* 订阅板块 */
        #ai_auto_subscribe {
            padding: 80px 0;
            background: rgba(26, 37, 47, 0.7);
            position: relative;
            overflow: hidden;
        }
        
        #ai_auto_subscribe::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(26, 188, 156, 0.1) 0%, transparent 70%);
            z-index: -1;
        }
        
        .ai_auto_subscribe-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            gap: 15px;
        }
        
        .ai_auto_subscribe-form input {
            flex: 1;
            padding: 15px 20px;
            border: none;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.1);
            color: white;
        }
        
        .ai_auto_subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }
        
        .ai_auto_subscribe-form input:focus {
            background: rgba(255, 255, 255, 0.15);
            outline: none;
            box-shadow: 0 0 0 3px rgba(26, 188, 156, 0.3);
        }
        
        .ai_auto_subscribe-form button {
            background: var(--ai_auto_accent1);
            color: white;
            border: none;
            border-radius: 50px;
            padding: 0 35px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .ai_auto_subscribe-form button:hover {
            background: var(--ai_auto_secondary);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        }
        
        /* Footer 样式 */
        #ai_auto_footer {
            background: rgba(15, 25, 35, 0.95);
            padding-top: 70px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        
        #ai_auto_footer .ai_auto_footer-title {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 25px;
            color: var(--ai_auto_accent1);
            position: relative;
            padding-bottom: 10px;
        }
        
        #ai_auto_footer .ai_auto_footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background: var(--ai_auto_secondary);
        }
        
        #ai_auto_footer .ai_auto_footer-links {
            list-style: none;
            padding: 0;
        }
        
        #ai_auto_footer .ai_auto_footer-links li {
            margin-bottom: 12px;
        }
        
        #ai_auto_footer .ai_auto_footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: all 0.3s ease;
            display: block;
            padding: 5px 0;
        }
        
        #ai_auto_footer .ai_auto_footer-links a:hover {
            color: var(--ai_auto_accent1);
            transform: translateX(5px);
        }
        
        #ai_auto_footer .ai_auto_copyright {
            padding: 25px 0;
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 50px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
        }
        
        /* 响应式调整 */
        @media (max-width: 992px) {
            .ai_auto_banner-title {
                font-size: 2.8rem;
            }
            
            #ai_auto_last-article .ai_auto_timeline-content {
                flex-direction: column;
            }
            
            #ai_auto_last-article .ai_auto_timeline-img {
                width: 100%;
            }
        }
        
        @media (max-width: 768px) {
            .ai_auto_banner-title {
                font-size: 2.2rem;
            }
            
            .ai_auto_subscribe-form {
                flex-direction: column;
            }
        }