/*  基础模板样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    font-size:12px;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==================== 头部导航样式 -  ==================== */
.header {
    background: #fff;
    border-bottom: 1px solid #f0f0f0;
 
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 70px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

@media (max-width: 1024px) {
    .header {
        height: 50px;
    }
}

 
.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Logo区域重新设计 - 精确匹配截图 */
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    position: relative;
}

.logo-main {
    display: flex;
    align-items: center;
    margin-right: 10px;
}

.logo-icon img{
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 6px;
    position: relative;
    
}

 

.logo-text {
    font-size: 22px;
    font-weight: 600;
    color: #1a1a1a;
    letter-spacing: -0.3px;
}

.logo-badge {
    background: linear-gradient(135deg, #5a9cf8 0%, #4285f4 100%);
    color: white;
    font-size: 11px;
    padding: 3px 7px;
    border-radius: 10px;
    margin-left: 6px;
    font-weight: 400;
    white-space: nowrap;
    opacity: 0.95;
}

/* ==================== 桌面导航菜单 ==================== */
.desktop-nav {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
    margin: 0 4px;
}

.nav-link {
    color: #333;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    padding: 10px 14px;
    border-radius: 4px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    white-space: nowrap;
}

.nav-link:hover {
    background-color: #f5f7fa;
    color: #4285f4;
}

.nav-link .fa-chevron-down {
    margin-left: 6px;
    font-size: 10px;
    transition: transform 0.2s ease;
    color: #999;
}

.nav-item:hover .fa-chevron-down {
    transform: rotate(180deg);
    color: #4285f4;
}

/* ==================== 下拉菜单重新设计 ==================== */
.dropdown {
    position: fixed;
    left: 0;
    right: 0;
    top: 70px;
    width: 100vw;
    max-width: none;
    min-width: auto;
    background: #fff;
    border-radius: 0;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001;
    overflow: hidden;
    border: 1px solid #f0f0f0;
    border-left: none;
    border-right: none;
}

.nav-item:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 产品下拉菜单特殊定位 
.nav-item:hover .products-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
 /* 
 .products-dropdown {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;  
}
 */

/* 解决方案下拉菜单特殊定位 */
.nav-item:hover .solutions-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* AI知识库下拉菜单特殊定位 */
.nav-item:hover .knowledge-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 简单下拉菜单特殊定位 */
.nav-item:hover .simple-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 产品服务的特大下拉菜单 - 全屏宽度 */
.products-dropdown {
    position: fixed;
    left: 0;
    right: 0;
    top: 70px;
    width: 100vw;
    max-width: none;
    min-width: auto;
    padding: 24px 0;
    margin: 0;
    background: #fff;
    border-radius: 0;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001;
    border: 1px solid #f0f0f0;
    border-left: none;
    border-right: none;
}

.dropdown-main-content {
    display: flex;
    flex-direction: column;
    gap: 5px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* 上半部分：场景 + 咨询 */
.dropdown-top-section {
    display: flex;
    align-items: flex-start;
    gap: 0;
    min-height: 300px;
}

.scenarios-section {
    /* 左侧场景区域 */
    flex: 1;
    padding-right: 24px;
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 16px;
}

.consulting-section {
    /* 右侧咨询区域 */
    width: 480px;
    flex-shrink: 0;
    display: flex;
    flex-direction: row;
    gap: 24px;
    padding-left: 32px;
    border-left: 1px solid #f0f0f0;
}

.consulting-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* 区域标题样式 */
.section-title {
    font-size: 24px;
    font-weight: 600;
    color: #333;
    margin-bottom: 16px;
}

/* 咨询区域标题特殊样式 */
.consulting-item .section-title {
    font-size: 24px;
    color: #1a1a1a;
    margin-bottom: 16px;
    position: relative;
    text-align: center;
}

.consulting-item .section-title::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 2px;
    background: linear-gradient(135deg, #4285f4, #6c5ce7);
    border-radius: 1px;
}
.scenario-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 22px;
}

.scenarios-section .section-title::after {
    content: '';
    position: absolute;
    top: 60px;
    left: 16%;
    transform: translateX(-50%);
    width: 80px;
    height: 2px;
    background: linear-gradient(135deg, #4285f4, #6c5ce7);
    border-radius: 1px;
}

/* 场景项目样式 */
.scenario-item {
    background: #ffffff;
    border-radius: 8px;
    border: 1px solid #f0f0f0;
    padding: 16px;
    transition: all 0.2s ease;
    cursor: pointer;
}

.scenario-item:hover {
    border-color: #4285f4;
    box-shadow: 0 2px 8px rgba(66, 133, 244, 0.1);
}

.scenario-icon {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.scenario-icon.work-ai {
    background: #4285f4;
}

.scenario-icon.work-ai::before {
    content: '👥';
}

.scenario-icon.business-ai {
    background: #6c5ce7;
}

.scenario-icon.business-ai::before {
    content: '💼';
}

.scenario-icon.aix-business {
    background: #00cec9;
}

.scenario-icon.aix-business::before {
    content: '⚡';
}
a {
    text-decoration: none;
    color: inherit;
    display: inline-block;
}
.scenario-title {
    font-size: 14px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 6px;
}

.scenario-desc {
    font-size: 12px;
    color: #666;
    line-height: 1.4;
    margin-bottom: 12px;
}

.scenario-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.scenario-features li {
    font-size: 14px;
    color: #1a1a1a;
    line-height: 2;
}

/* 咨询卡片样式 - 按照截图设计 */
.consulting-card {
    width: 100%;
    height: 230px;
    border-radius: 12px;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s ease;
    background-size: cover;
    background-position: center;
}

.consulting-img {
    background:  
                url('../images/index/consulting.jpg');
}

.development-img {
    background:  
                url('../images/index/development.jpg');
}

.consulting-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.consulting-content {
    position: absolute;
   
    left: 16px;
    color: white;
}

.consulting-content h4 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 4px;
     
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.8) ;
}

.consulting-content p {
    font-size: 16px;
    font-weight: bolder;
    opacity: 0.9;
    margin-bottom: 8px;
    color: #1a1a1a;
}

.learn-more {
    font-size: 11px;
    background: linear-gradient(90deg, #27d8fe 0%, #6A7DFF 100%);  ;
    padding: 4px 8px;
    border-radius: 12px;
    display: inline-block;
}

/* 下半部分：热门产品 */
.dropdown-bottom-section {
    border-top: 1px solid #f0f0f0;
    padding-top: 4px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 16px;
}

.product-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    border-radius: 8px;
    transition: all 0.2s ease;
    cursor: pointer;
}

.product-item:hover {
    background: #f8f9fa;
}

.product-icon {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}

.hub-icon {
    background: #4285f4;
    color: white;
}

.hub-icon::before {
    content: '🚀';
}

.studio-icon {
    background: #6c5ce7;
    color: white;
}

.studio-icon::before {
    content: '🎨';
}

.km-icon {
    background: #00cec9;
    color: white;
}

.km-icon::before {
    content: '📚';
}

.browser-icon {
    background: #fd79a8;
    color: white;
}

.browser-icon::before {
    content: '🌐';
}

.product-info {
    flex: 1;
}

.product-name {
    font-size: 13px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.product-tag {
    background: #e8f5e8;
    color: #2d8b2d;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 8px;
    font-weight: 500;
}

.product-desc {
    font-size: 11px;
    color: #666;
    line-height: 1.4;
}

/* AI知识库下拉菜单 - 按照截图5列布局 */
.knowledge-dropdown {
    position: fixed;
    left: 0;
    right: 0;
    top: 70px;
    width: 100vw;
    max-width: none;
    min-width: auto;
    padding: 24px 0;
    margin: 0;
    background: #fff;
    border-radius: 0;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001;
    border: 1px solid #f0f0f0;
    border-left: none;
    border-right: none;
}

.knowledge-content {
    /* 知识库内容容器 */
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.knowledge-title {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 24px;
}

.knowledge-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 32px;
}

.knowledge-column {
    /* 每个知识分类列 */
}

.column-title {
    font-size: 14px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid #f0f0f0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.column-title i ,.scenario-title i{
    color: #4285f4;
    font-size: 16px;
    width: 18px;
    text-align: center;
}

.knowledge-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.knowledge-list li {
    margin-bottom: 8px;
}

.knowledge-list li:last-child {
    margin-bottom: 0;
}

.knowledge-list a {
    color: #666;
    text-decoration: none;
    font-size: 13px;
    line-height: 1.5;
    transition: all 0.2s ease;
    display: block;
    padding: 4px 0;
}

.knowledge-list a:hover {
    color: #4285f4;
    transform: translateX(2px);
}

/* 解决方案下拉菜单 - 按照截图3列卡片布局 */
.solutions-dropdown {
    position: fixed;
    left: 0;
    right: 0;
    top: 70px;
    width: 100vw;
    max-width: none;
    min-width: auto;
    padding: 24px 0;
    margin: 0;
    background: #fff;
    border-radius: 0;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001;
    border: 1px solid #f0f0f0;
    border-left: none;
    border-right: none;
}

.solutions-content {
    /* 解决方案内容容器 */
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.solutions-title {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.solution-card {
    background: #ffffff;
    border: 1px solid #f0f0f0;
    border-radius: 12px;
    padding: 20px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    text-align: left;
    transition: all 0.3s ease;
    cursor: pointer;
    height: 120px;
}

.solution-card:hover {
    border-color: #4285f4;
    box-shadow: 0 4px 12px rgba(66, 133, 244, 0.1);
    transform: translateY(-2px);
}

.solution-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.qa-icon {
    background: linear-gradient(135deg, #4285f4, #6c5ce7);
}

.qa-icon::before {
    content: '💬';
}

.app-icon {
    background: linear-gradient(135deg, #00cec9, #74b9ff);
}

.app-icon::before {
    content: '📱';
}

.workflow-icon {
    background: linear-gradient(135deg, #fd79a8, #fdcb6e);
}

.workflow-icon::before {
    content: '📋';
}

.solution-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.solution-title {
    font-size: 16px;
    font-weight: 600;
    color: #1a1a1a;
    margin: 0;
}

.solution-desc {
    font-size: 13px;
    color: #666;
    line-height: 1.5;
    margin: 0;
}

/* 简单下拉菜单（关于我们） */
.simple-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    min-width: 180px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001;
    border: 1px solid #f0f0f0;
    padding: 8px 0;
}

.simple-dropdown a {
    display: block;
    padding: 12px 20px;
    color: #333;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s ease;
}

.simple-dropdown a:hover {
    background: #f8f9fa;
    color: #4285f4;
}

/* ==================== 右侧按钮组 ==================== */
.auth-buttons {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn {
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    border: 1px solid transparent;
    white-space: nowrap;
}

.btn-login {
    color: #333;
    background: transparent;
}

.btn-login:hover {
    background: #f5f7fa;
    color: #4285f4;
}

.btn-demo {
    background: #4285f4;
    color: white;
    border-color: #4285f4;
}

.btn-demo:hover {
    background: #3367d6;
    border-color: #3367d6;
    transform: translateY(-1px);
}

/* ==================== 移动端菜单按钮 ==================== */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: #4285f4;
    cursor: pointer;

    border-radius: 4px;
    transition: all 0.2s ease;
}

.mobile-menu-btn:hover {
    color: #4285f4;
}
.mobile-menu-btn i {
font-size:  22px  !important;
}

/* ==================== 移动端导航 ==================== */
.nav-mobile {
    position: fixed;
    top: 60px;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: calc(100% - 60px);
    background: #fff;
    z-index: 999;
    transition: right 0.3s ease;
    overflow: hidden;
    box-shadow: -5px 0 25px rgba(0, 0, 0, 0.15);
}

.nav-mobile::after {
    content: "";
    display: table;
    clear: both;
}

.nav-mobile.active {
    right: 0;
}

/* 左侧菜单栏 */
.menu-left {
    width: 100%;
    float: none;
    background: #f8f9fa;
    padding: 15px 0;
    border-right: none;
    overflow-y: auto;
    height: 100%;
    box-sizing: border-box;
}

.mobile-nav-item {
    margin-bottom: 2px;
}

.mobile-nav-link {
    display: block;
    padding: 16px 20px;
    color: #374151;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.2s ease;
    border-radius: 0;
}

.mobile-nav-link:hover,
.mobile-nav-item.active .mobile-nav-link {
    background: #4285f4;
    color: #fff;
}

/* 右侧内容区域 */
.menu-right {
    width: 100%;
    float: none;
    padding: 2px;
    overflow-y: auto;
    background: #fff;
    position: relative;
    height: 100%;
    box-sizing: border-box;
}

/* 子菜单页面 */
.submenu-page {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.submenu-page.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateX(10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 移动端内容区域 */
.mobile-section {
    margin-bottom: 24px;
}

.mobile-section-title {
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 16px;
    padding-left: 4px;
}

/* 移动端场景卡片 */
.mobile-scenario-card {
    
    padding: 10px;
 
    transition: all 0.2s ease;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.mobile-scenario-card:hover {
    border-color: #4285f4;
    box-shadow: 0 4px 12px rgba(66, 133, 244, 0.1);
}

.scenario-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #fff;
    flex-shrink: 0;
    margin-bottom: 8px;
}

.scenario-icon.work-ai {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.scenario-icon.business-ai {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.scenario-icon.aix-business {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.scenario-content {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.scenario-title {
    font-size: 16px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    align-self: baseline;
    justify-content: center;
    gap: 8px;
}

.scenario-title-icon {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

.scenario-desc {
    display: none;
}

.scenario-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 8px;
    width: 100%;
}

.scenario-tags .tag {
    position: relative;
    background: transparent;
    color: #6b7280;
    font-size: 14px;
    padding: 0;
    border-radius: 0;
    font-weight: 400;
    padding-left: 12px;
    text-align: left;
    width: calc(50% - 4px);
    flex: 0 0 calc(50% - 4px);
}

.scenario-tags .tag::before {
    content: '•';
    color: #9ca3af;
    position: absolute;
    left: 0;
    top: 0;
}

/* 通用标签样式 */
.tag {
    background: #f3f4f6;
    color: #374151;
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 6px;
    font-weight: 500;
}

/* 移动端服务卡片 */
.mobile-service-card {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.2s ease;
}

.mobile-service-card:hover {
    border-color: #4285f4;
    box-shadow: 0 4px 12px rgba(66, 133, 244, 0.1);
}

.service-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #fff;
    flex-shrink: 0;
}

.service-icon.consulting {
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    color: #4285f4;
}

.service-icon.development {
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    color: #ff6b35;
}

.service-content {
    flex: 1;
}

.service-title {
    font-size: 16px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 4px;
}

.service-subtitle {
    font-size: 13px;
    color: #6b7280;
    margin-bottom: 8px;
}

.service-link {
    color: #4285f4;
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
}

.service-link:hover {
    text-decoration: underline;
}

/* 移动端认证按钮区域 */
.mobile-auth-area {
    padding: 20px;
    border-top: 1px solid #e5e7eb;
    margin-top: 20px;
    display: flex;
    gap: 12px;
}

.mobile-auth-btn {
    flex: 1;
    padding: 12px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    transition: all 0.2s ease;
}

.mobile-auth-btn.outline {
    border: 1px solid #e5e7eb;
    color: #374151;
    background: #fff;
}

.mobile-auth-btn.outline:hover {
    border-color: #4285f4;
    color: #4285f4;
}

.mobile-auth-btn.primary {
    background: #4285f4;
    color: #fff;
    border: 1px solid #4285f4;
}

.mobile-auth-btn.primary:hover {
    background: #3367d6;
}

/* 解决方案卡片样式 */
.mobile-solution-card {
 
    border-radius: 12px;
    padding-left: 5px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.2s ease;
}

.mobile-solution-card:hover {
    border-color: #4285f4;
    box-shadow: 0 4px 12px rgba(66, 133, 244, 0.1);
}

.solution-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #fff;
    flex-shrink: 0;
}

.solution-icon.qa-solution {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.solution-icon.app-solution {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.solution-icon.workflow-solution {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.solution-content {
    flex: 1;
}

.solution-title {
    font-size: 16px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 4px;
}
.solution-title img{
    width: 20px;
    height: 20px;
    object-fit: contain;
}

.solution-desc {
    font-size: 13px;
    color: #6b7280;
}

/* AI知识库页面样式 */
.knowledge-category {
    margin-bottom: 24px;
}

.category-title {
    font-size: 16px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid #4285f4;
    display: inline-block;
}

.knowledge-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 8px;
}

.knowledge-item {
    background: #f8f9fa;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 10px 12px;
    text-decoration: none;
    color: #374151;
    font-size: 13px;
    font-weight: 500;
    text-align: center;
    transition: all 0.2s ease;
}

.knowledge-item:hover {
    background: #e8f4ff;
    border-color: #4285f4;
    color: #4285f4;
}

/* ==================== 主内容区域 ==================== */
.main-content {
    
    min-height: calc(100vh - 60px);
}

/* ==================== 页脚样式 ==================== */
.footer {
    background: #f8fafc;
    border-top: 1px solid #e5e7eb;
    padding: 60px 0 30px;
    
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 4px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 16px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 16px;
    
}
.footer-kf{display: none;}
.contact-me{ text-align: center; }

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-section li {
    margin-bottom: 8px;
}

.footer-section a {
    color: #6b7280;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
}

.footer-section a:hover {
    color: #4285f4;
}

.qrcode {
    text-align: center;
    margin-top: 8px;
}

.qrcode img {
    width: 120px;
    height: 120px;
    border-radius: 8px;
    margin-bottom: 8px;
    border: 1px solid #e5e7eb;
}

.qrcode p {
    font-size: 12px;
    color: #6b7280;
    margin: 0;
}

.footer-bottom {
    border-top: 1px solid #e5e7eb;
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    color: #6b7280;
    font-size: 14px;
    margin: 0;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 1024px) {
    .nav-container {
        padding: 0 20px;
    }
    
    .dropdown-main-content,
    .knowledge-content,
    .solutions-content {
        padding: 0 20px;
    }
}

@media (max-width: 768px) {
    .desktop-nav {
        display: none;
    }

    .auth-buttons {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .nav-container {
        padding: 0 15px;
    }

    .container {
        padding: 0 15px;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 3px;
    }

    .hidden-xs {
        display: none !important;
    }
}

@media (max-width: 480px) {
    .footer-kf{display: block;}
    .logo-text {
        font-size: 18px;
    }

    .logo-badge {
        font-size: 10px;
        padding: 2px 6px;
    }

    .nav-mobile {
        width: 100%;
        max-width: 100%;
        right: -100%;
    }

    .nav-mobile::after {
        display: none;
    }

    .menu-left {
        width: 40%;
        float: left;
        padding: 15px 0;
        border-right: 1px solid #e5e7eb;
        border-bottom: none;
        display: block;
        flex-direction: column;
        overflow-x: visible;
        gap: 0;
        height: 100%;
    }

    .mobile-nav-item {
        margin-bottom: 2px;
        flex-shrink: initial;
    }

    .mobile-nav-link {
        padding: 16px 20px;
        font-size: 15px;
        border-radius: 0;
        white-space: normal;
    }


.footer-kf{
    margin:0 auto;
    text-align: center;
}

    .knowledge-item {
        font-size: 12px;
        padding: 8px 10px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 20px;
        display: none;
    }

    .footer {
        display: block !important;
        visibility: visible !important;
        position: relative;
        z-index: 1;
    }

    .hidden-xs {
        display: none !important;
    }
}

/* ==================== 右侧浮动工具栏样式 ==================== */
.right-bar {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.right-bar-item {
    width: 50px;
    height: 50px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.right-bar-item:hover {
    background: #4285f4;
    color: #fff;
    transform: scale(1.1);
    box-shadow: 0 4px 20px rgba(66, 133, 244, 0.3);
}

.right-bar-item i {
    font-size: 18px;
    color: #666;
    transition: color 0.3s ease;
}

.right-bar-item:hover i {
    color: #fff;
}

/* 联系我们特殊样式 */
.right-bar-item.contact-me {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.right-bar-item.contact-me i {
    color: #fff;
}

.right-bar-item.contact-me:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
    transform: scale(1.1);
}

/* 回到顶部样式 */
.back-top {
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.back-top.show {
    opacity: 1;
    visibility: visible;
}

/* 微信二维码悬停显示 */
.contact-hover {
    position: relative;
}

.contact-qr {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: #fff;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1001;
    min-width: 150px;
    text-align: center;
}

.contact-hover:hover .contact-qr {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(-10px);
}

.contact-qr img {
    width: 120px;
    height: 120px;
    border-radius: 8px;
    display: block;
    margin: 0 auto 10px;
}

.contact-qr p {
    margin: 0;
    font-size: 14px;
    color: #333;
    font-weight: 500;
}

/* 弹窗咨询样式 */
.consult-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
}

.consult-modal.show {
    display: flex;
}

.consult-content {
    background: #fff;
    border-radius: 15px;
    padding: 30px;
    max-width: 450px;
    width: 90%;
    position: relative;
    transform: scale(0.8);
    opacity: 0;
    transition: all 0.3s ease;
}

.consult-modal.show .consult-content {
    transform: scale(1);
    opacity: 1;
}

.consult-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 30px;
    height: 30px;
    border: none;
    background: none;
    font-size: 20px;
    color: #999;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.consult-close:hover {
    background: #f5f5f5;
    color: #333;
}

.consult-title {
    font-size: 24px;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
    text-align: center;
}

.consult-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 14px;
    color: #666;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    padding: 12px 15px;
    border: 2px solid #e1e8ed;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s ease;
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #4285f4;
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.submit-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border: none;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.submit-btn:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}
 



.adviser-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%,-50%);
    -moz-transform: translate(-50%,-50%);
    transform: translate(-50%,-50%);
    width: 600px;
    background: -webkit-gradient(linear,left top,right top,from(#fff),to(#f0f0f0));
    background: -moz-linear-gradient(left,#fff,#f0f0f0);
    background: linear-gradient(90deg,#fff,#f0f0f0);
    border-radius: 6px;
    overflow: hidden;
    z-index: 1003
}

.adviser-popup-mask {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.6);
    z-index: 1002
}

.adviser-popup-close {
    position: absolute;
    top: 16px;
    right: 16px;
    font-size: 22px;
    font-weight: bold;
    color: #909399;
    cursor: pointer;
    -webkit-transition: all 0.3s;
    -moz-transition: all 0.3s;
    transition: all 0.3s;
    z-index: 3
}

.adviser-popup-close:hover {
    color: #2563eb
}

.adviser-popup-top {
    padding: 19px 24px 26px
}

.adviser-popup-box {
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    align-items: center
}

.adviser-popup .title {
    margin-bottom: 29px;
    font-size: 24px;
    color: #000
}

.adviser-popup .avatar {
    margin-right: 28px;
    width: 126px;
    height: 126px;
    border-radius: 50%;
    overflow: hidden
}

.adviser-popup .avatar img {
    display: block;
    width: 100%;
    height: 100%
}

.adviser-popup .info {
    -webkit-box-flex: 1;
    -moz-box-flex: 1;
    -ms-flex: 1;
    flex: 1;
    min-width: 0
}

.adviser-popup .info-top {
    line-height: 24px;
    color: #000
}

.adviser-popup .info-top span {
    display: inline-block;
    vertical-align: top
}

.adviser-popup .info-top-name {
    font-size: 28px
}

.adviser-popup .info-top-tag {
    padding-top: 2px;
    font-size: 22px
}

.adviser-popup .info-top-tag:before {
    content: "| "
}

.adviser-popup .info-tel {
    display: block;
    margin-top: 5px;
    font-size: 18px;
    color: #666
}

.adviser-popup .info-tel i {
    margin-right: 2px;
    color: #2563eb
}

.adviser-popup-bottom {
    position: relative;
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    padding: 20px 24px 40px;
    background-color: #2563eb
}

.adviser-popup-bottom:before {
    content: "";
    position: absolute;
    bottom: 100%;
    left: 99px;
    border-width: 0 7px 7px;
    border-color: transparent transparent #2563eb;
    border-style: solid;
    z-index: 5
}

.adviser-popup .qrcode {
    margin-top: -60px;
    padding: 10px;
    width: 99px;
    height: 99px;
    background-color: #fff;
    border-radius: 3px;
    -webkit-box-shadow: 2px 2px 3px rgba(7,116,208,0.3);
    box-shadow: 2px 2px 3px rgba(7,116,208,0.3)
}

.adviser-popup .qrcode img {
    display: block;
    width: 100%;
    height: auto
}

.adviser-popup .text {
    position: relative;
    -webkit-box-flex: 1;
    -moz-box-flex: 1;
    -ms-flex: 1;
    flex: 1;
    min-width: 0;
    margin-right: 16px;
    padding-left: 13px;
    font-size: 23px;
    line-height: 28px;
    color: #fff
}

.adviser-popup .text:before {
    content: "\201c";
    position: absolute;
    top: 0;
    left: 0;
    font-size: 32px;
    line-height: 1;
    color: #fff;
    font-family: Arial
}

.adviser-popup .text:after {
    content: "\201d";
    display: inline-block;
    vertical-align: top;
    margin-left: 3px;
    height: 19px;
    line-height: 1.4;
    font-size: 32px;
    color: rgba(255,255,255,0.4);
    font-family: Arial
}

@media screen and (max-width: 560px) {
    .adviser-popup {
        width: -moz-calc(100% - 48px);
        width: calc(100% - 48px)
    }

    .adviser-popup-close {
        top: 13px
    }

    .adviser-popup-top {
        padding-bottom: 19px;
        padding-top: 14px
    }

    .adviser-popup .title {
        margin-bottom: 19px
    }

    .adviser-popup .avatar {
        margin-right: 12px;
        width: 48px;
        height: 48px
    }

    .adviser-popup .info-top {
        line-height: 19px
    }

    .adviser-popup .info-top-name {
        font-size: 16px
    }

    .adviser-popup .info-top-tag {
        font-size: 10px
    }

    .adviser-popup .info-tel {
        margin-top: 3px;
        font-size: 13px
    }

    .adviser-popup .info-tel i {
        font-size: 10px
    }

    .adviser-popup-bottom {
        padding-top: 16px
    }

    .adviser-popup-bottom:before {
        left: 70px;
        border-width: 0 6px 6px
    }

    .adviser-popup .qrcode {
        margin-top: -48px;
        padding: 6px;
        width: 72px;
        height: 72px
    }

    .adviser-popup .text {
        margin-right: 13px;
        padding-left: 11px;
        font-size: 11px;
        line-height: 18px;
        color: #fff
    }

    .adviser-popup .text:before {
        font-size: 24px
    }

    .adviser-popup .text:after {
        height: 18px;
        font-size: 24px
    }
}

@media screen and (max-width: 380px) {
    .adviser-popup .qrcode {
        margin-top: -40px;
        padding: 5px;
        width: 64px;
        height: 64px
    }
}

@media screen and (max-width: 350px) {
    .adviser-popup .qrcode {
        margin-top: -32px
    }
}

.adviser-popup .loading {
    height: 251px
}

.adviser-popup .loading .loading-box {
    width: 100%;
    height: 100%;
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -moz-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -moz-box-orient: vertical;
    -moz-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column
}

.adviser-popup .loading .loading-box .loading-img,.adviser-popup .loading .loading-box svg {
    -webkit-animation: loading 2s linear infinite;
    -moz-animation: loading 2s linear infinite;
    animation: loading 2s linear infinite
}

.adviser-popup .loading .loading-box p {
    margin-top: 8px;
    font-size: 13px;
    color: #666
}

.adviser-popup .info-box {
    display: none
}




 

.right-bar {
    position: fixed;
    right: 0;
    bottom: 20%;
    -webkit-transform: translateY(50%);
    -moz-transform: translateY(50%);
    transform: translateY(50%);
    z-index: 999
}

@media screen and (max-width: 1024px) {
    .right-bar {
        -webkit-transform:translateY(0);
        -moz-transform: translateY(0);
        transform: translateY(0);
        bottom: 20%
    }
}

.right-bar .item {
    width: 72px;
    height: 72px;
    border: 1px solid #d6ddf3;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    background-color: #e5ebff;
    text-align: center;
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -moz-box-orient: vertical;
    -moz-box-direction: normal;
    -ms-flex-flow: column;
    flex-flow: column;
    -webkit-box-pack: center;
    -moz-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    color: #172d5e;
    font-size: 14px;
    cursor: pointer;
    -webkit-transition: 0.4s;
    -moz-transition: 0.4s;
    transition: 0.4s;
    position: relative
}

@media (max-width: 1480px) {
    .right-bar .item {
        width: 56px;
        height: 56px;
        font-size: 10px
    }
}

@media screen and (max-width: 1024px) {
    .right-bar .item {
        width: 64px;
        height: 64px;
        font-size: 18px
    }

    .right-bar .item p {
        display: none
    }
}

.right-bar .item .contact-hover {
    position: absolute;
    right: 100%;
    top: 50%;
    -webkit-transform: translate(0,-50%) scale(0);
    -moz-transform: translate(0,-50%) scale(0);
    transform: translate(0,-50%) scale(0);
    visibility: hidden;
    opacity: 0;
    -webkit-transform-origin: right center;
    -moz-transform-origin: right center;
    transform-origin: right center;
    padding-right: 16px;
    -webkit-transition: 0.4s;
    -moz-transition: 0.4s;
    transition: 0.4s
}

.right-bar .item .contact-hover .box {
    background-color: #fff;
    width: 152px;
    border: 1px solid #2e46ff;
    padding: 14px 8px 14px 8px;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    position: relative
}

@media (max-width: 1024px) {
    .right-bar .item .contact-hover .box {
        width: 200px;
        border-width: 2px
    }
}

.right-bar .item .contact-hover .box::after {
    content: "";
    position: absolute;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 8px 0 8px 8px;
    border-color: transparent transparent transparent #fff;
    left: -moz-calc(100% - 1px);
    left: calc(100% - 1px);
    top: 50%;
    -webkit-transform: translateY(-50%);
    -moz-transform: translateY(-50%);
    transform: translateY(-50%);
    z-index: 5
}

.right-bar .item .contact-hover .box::before {
    content: "";
    position: absolute;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 9px 0 9px 9px;
    border-color: transparent transparent transparent #2e46ff;
    left: 100%;
    top: 50%;
    -webkit-transform: translateY(-50%);
    -moz-transform: translateY(-50%);
    transform: translateY(-50%);
    z-index: 2
}

.right-bar .item .contact-hover .tel-item {
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    text-align: left;
    margin-bottom: 24px
}

.right-bar .item .contact-hover .tel-item:not(:last-child) {
    margin-bottom: 16px
}

.right-bar .item .contact-hover .tel-item .info {
    margin-left: 3px
}

.right-bar .item .contact-hover .tel-item .p {
    font-size: 11px;
    color: #172d5e;
    font-weight: bold;
    margin-bottom: 2px
}

@media (max-width: 1024px) {
    .right-bar .item .contact-hover .tel-item .p {
        font-size: 19px
    }
}

.right-bar .item .contact-hover .tel-item .num {
    font-size: 13px;
    color: #2563eb;
    font-weight: bold
}

@media (max-width: 1024px) {
    .right-bar .item .contact-hover .tel-item .num {
        font-size: 16px
    }
}

.right-bar .item .contact-hover .tel-item .icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: #005ddc;
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -moz-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -moz-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    text-align: center
}

.right-bar .item .contact-hover .tel-item .icon .iconfont {
    color: #fff;
    font-size: 18px
}

.right-bar .item .contact-hover .qrcode-box {
    text-align: center;
    color: #777;
    line-height: 16px
}

@media (max-width: 1024px) {
    .right-bar .item .contact-hover .qrcode-box .text {
        line-height: 32px
    }
}

.right-bar .item .contact-hover .qrcode-box .img {
    margin-bottom: 10px
}

.right-bar .item .contact-hover .qrcode-box .img img {
    width: 90px;
    height: 90px
}

@media (max-width: 1024px) {
    .right-bar .item .contact-hover .qrcode-box .img img {
        width: 100%;
        height: auto
    }
}

.right-bar .item .contact-hover .qrcode-box .img .loading-img,.right-bar .item .contact-hover .qrcode-box .img svg {
    -webkit-animation: loading 2s linear infinite;
    -moz-animation: loading 2s linear infinite;
    animation: loading 2s linear infinite
}

.right-bar .item .contact-hover .qrcode-box .img .loading-img {
    width: 24px;
    height: 24px
}

.right-bar .item.back-top .iconfont {
    font-weight: bold;
    font-size: 27px
}

@media (max-width: 1480px) {
    .right-bar .item.back-top .iconfont {
        font-size: 22px
    }
}

@media screen and (max-width: 1024px) {
    .right-bar .item.back-top .iconfont {
        font-size: 32px
    }
}

.right-bar .item:hover {
    background-color: #2563eb;
    color: #fff;
    border-color: #2563eb
}

.right-bar .item:hover .contact-hover {
    -webkit-transform: translate(0,-50%) scale(1);
    -moz-transform: translate(0,-50%) scale(1);
    transform: translate(0,-50%) scale(1);
    opacity: 1;
    visibility: visible
}

.right-bar .item:not(:last-child) {
    margin-bottom: 2px
}

.right-bar .item .icon {
    margin-bottom: 8px
}

@media (max-width: 1480px) {
    .right-bar .item .icon {
        margin-bottom: 4px
    }
}

@media screen and (max-width: 1024px) {
    .right-bar .item .icon {
        margin-bottom: 5px
    }
}

.right-bar .item .iconfont {
    font-size: 29px
}

@media (max-width: 1480px) {
    .right-bar .item .iconfont {
        font-size: 24px
    }
}

@media screen and (max-width: 1024px) {
    .right-bar .item .iconfont {
        font-size: 32px
    }
}

.iconfont {
    font-family: iconfont!important;
    font-size: 16px;
    font-style: normal;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale
}

.icon-lianximaijia:before {
    content: "\e60e";
}