/* 下拉菜单样式 */
.dropdown {
    position: relative;
}

.dropdown > a {
    color: #007bff;
}

/* 修改箭头默认颜色和激活状态 */
.nav-arrow {
    display: inline-block;
    width: 6px;
    height: 6px;
    margin-left: 4px;
    border-right: 1.5px solid #666;
    border-bottom: 1.5px solid #666;
    transform: rotate(45deg);
    transition: all 0.3s ease;
    position: relative;
    top: -2px;
}

/* 鼠标悬停时箭头变化 */
.dropdown:hover .nav-arrow {
    transform: rotate(225deg);
    border-color: #007bff;
    top: 1px;
}

/* 当前激活页面的箭头颜色 */
.nav-menu .dropdown > a.active .nav-arrow {
    border-color: #007bff;
}

/* 下拉菜单显示状态 */
.dropdown:hover .dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 下拉菜单内容容器 */
.dropdown-container {
    padding: 20px;
    min-width: 600px;
}

.dropdown-content {
    display: none;
    position: fixed;
    left: 0;
    right: 0;
    top: 70px;
    width: 100%;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    z-index: 1000;
    padding: 40px 0;
    height: 400px;
    overflow: hidden;
}

/* 添加浮动背景形状 */
.dropdown-content::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #007bff08 0%, #007bff15 100%);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    top: -100px;
    right: 10%;
    z-index: -1;
    animation: float1 15s ease-in-out infinite;
}

.dropdown-content::after {
    content: '';
    position: absolute;
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, #007bff10 0%, #007bff20 100%);
    border-radius: 70% 30% 30% 70% / 70% 70% 30% 30%;
    bottom: -50px;
    left: 15%;
    z-index: -1;
    animation: float2 18s ease-in-out infinite;
}

/* 添加第三个浮动形状 */
.dropdown-container::before {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #007bff05 0%, #007bff12 100%);
    border-radius: 50% 50% 30% 70% / 50% 30% 70% 50%;
    top: 30%;
    left: 30%;
    z-index: -1;
    animation: float3 20s ease-in-out infinite;
}

/* 浮动动画 */
@keyframes float1 {
    0% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(20px, 20px) rotate(180deg); }
    100% { transform: translate(0, 0) rotate(360deg); }
}

@keyframes float2 {
    0% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-20px, -10px) rotate(-180deg); }
    100% { transform: translate(0, 0) rotate(-360deg); }
}

@keyframes float3 {
    0% { transform: translate(0, 0) rotate(0deg) scale(1); }
    50% { transform: translate(10px, -15px) rotate(90deg) scale(1.1); }
    100% { transform: translate(0, 0) rotate(0deg) scale(1); }
}

/* 修改显示逻辑 */
.dropdown-content:hover,
.dropdown:hover .dropdown-content {
    display: block;
}

/* 添加一个透明的延伸区域，连接导航项和下拉内容 */
.dropdown::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    height: 20px; /* 创建一个连接区域 */
    background: transparent;
}

.dropdown-container {
    width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    gap: 40px;
}

.dropdown-col {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.dropdown-item {
    display: flex;
    align-items: flex-start;
    padding: 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.dropdown-item:hover {
    background: #f5f7fa;
}

.dropdown-item img {
    width: 40px;
    height: 40px;
    margin-right: 15px;
}

.item-info h3 {
    font-size: 16px;
    color: #333;
    margin-bottom: 8px;
}

.item-info p {
    font-size: 14px;
    color: #666;
    line-height: 1.5;
}

/* 客户案例下拉菜单的特殊样式 */
.nav-menu .dropdown[data-type="cases"] .dropdown-content {
    padding: 40px 0;
    height: auto;
    background: #fff;
}

.nav-menu .dropdown[data-type="cases"] .dropdown-container {
    width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    padding: 0 20px;
}

.nav-menu .dropdown[data-type="cases"] .case-item {
    position: relative;
    display: flex;
    align-items: flex-start;
    padding: 25px;
    border-radius: 12px;
    background: #fff;
    transition: all 0.3s ease;
    border: 1px solid rgba(0,0,0,0.05);
    overflow: hidden;
}

.nav-menu .dropdown[data-type="cases"] .case-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(45deg, #007bff, #00c6ff);
    opacity: 0;
    transition: all 0.3s ease;
}

.nav-menu .dropdown[data-type="cases"] .case-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    border-color: transparent;
}

.nav-menu .dropdown[data-type="cases"] .case-item:hover::before {
    opacity: 1;
}

.nav-menu .dropdown[data-type="cases"] .case-icon {
    width: 54px;
    height: 54px;
    margin-right: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f8f9fa, #fff);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.nav-menu .dropdown[data-type="cases"] .case-item:hover .case-icon {
    transform: scale(1.1);
    background: linear-gradient(135deg, #fff, #f0f7ff);
    box-shadow: 0 6px 15px rgba(0,123,255,0.15);
}

.nav-menu .dropdown[data-type="cases"] .case-icon img {
    width: 48px;
    height: 48px;
    transition: all 0.3s ease;
}

.nav-menu .dropdown[data-type="cases"] .case-info {
    flex: 1;
}

.nav-menu .dropdown[data-type="cases"] .case-info h3 {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 6px;
    transition: all 0.3s ease;
}

.nav-menu .dropdown[data-type="cases"] .case-item:hover .case-info h3 {
    color: #007bff;
}

.nav-menu .dropdown[data-type="cases"] .case-info p {
    font-size: 13px;
    color: #666;
    margin: 0;
    line-height: 1.5;
    transition: all 0.3s ease;
}

.nav-menu .dropdown[data-type="cases"] .case-item:hover .case-info p {
    color: #444;
}

/* 添加装饰性背景元素 */
.nav-menu .dropdown[data-type="cases"] .dropdown-content::before {
    content: '';
    position: absolute;
    top: 20px;
    right: 40px;
    width: 160px;
    height: 160px;
    background: linear-gradient(45deg, #007bff20, #00c6ff10);
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.5;
    z-index: -1;
}

.nav-menu .dropdown[data-type="cases"] .dropdown-content::after {
    content: '';
    position: absolute;
    bottom: 20px;
    left: 40px;
    width: 120px;
    height: 120px;
    background: linear-gradient(45deg, #00c6ff10, #007bff20);
    border-radius: 50%;
    filter: blur(30px);
    opacity: 0.5;
    z-index: -1;
}

/* 产品与服务下拉菜单布局调整 */
.nav-menu .dropdown[data-type="products"] .dropdown-content {
    padding: 0;
    height: auto;
    min-height: 600px;
    background: #fff;
}

.nav-menu .dropdown[data-type="products"] .dropdown-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 30px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* 简化标题样式 */
.nav-menu .dropdown[data-type="products"] .category-description {
    position: relative;
    padding-bottom: 15px;
    margin-bottom: -10px;
}

.nav-menu .dropdown[data-type="products"] .category-description h3 {
    font-size: 18px;
    color: #2c3e50;
    font-weight: 600;
    position: relative;
    display: inline-block;
    padding-left: 15px;
}

/* 标题装饰效果 */
.nav-menu .dropdown[data-type="products"] .category-description h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 18px;
    background: linear-gradient(to bottom, #007bff, #00c6ff);
    border-radius: 2px;
}

/* 工具类别描述样式 */
.nav-menu .dropdown[data-type="products"] .tools-category-description {
    position: relative;
    padding-bottom: 15px;
    margin-top: 60px;
    margin-bottom: -10px;
}

.nav-menu .dropdown[data-type="products"] .tools-category-description h3 {
    font-size: 18px;
    color: #2c3e50;
    font-weight: 600;
    position: relative;
    display: inline-block;
    padding-left: 15px;
}

/* 工具标题装饰效果 */
.nav-menu .dropdown[data-type="products"] .tools-category-description h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 18px;
    background: linear-gradient(to bottom, #007bff, #00c6ff);
    border-radius: 2px;
}

/* 调整产品卡片内部间距 */
.nav-menu .dropdown[data-type="products"] .product-card,
.nav-menu .dropdown[data-type="products"] .tool-card {
    position: relative;
    display: flex;
    align-items: flex-start;
    padding: 16px;
    background: #fff;
    border-radius: 12px;
    border: 1px solid rgba(0, 123, 255, 0.08);
    transition: all 0.3s ease;
}

/* 调整产品图标尺寸 */
.nav-menu .dropdown[data-type="products"] .product-icon,
.nav-menu .dropdown[data-type="products"] .tool-card .product-icon {
    width: 36px;
    height: 36px;
    margin-right: 10px;
}

.nav-menu .dropdown[data-type="products"] .product-icon img,
.nav-menu .dropdown[data-type="products"] .tool-card .product-icon img {
    width: 20px;
    height: 20px;
}

/* 调整文字间距 */
.nav-menu .dropdown[data-type="products"] .product-info h4,
.nav-menu .dropdown[data-type="products"] .tool-card .product-info h4 {
    font-size: 14px;
    margin-bottom: 3px;
}

.nav-menu .dropdown[data-type="products"] .product-info p,
.nav-menu .dropdown[data-type="products"] .tool-card .product-info p {
    font-size: 12px;
    line-height: 1.3;
}

/* 调整网格间距 */
.nav-menu .dropdown[data-type="products"] .products-grid,
.nav-menu .dropdown[data-type="products"] .tools-grid {
    gap: 12px;
}

/* 优化卡片悬停效果 */
.nav-menu .dropdown[data-type="products"] .product-card:hover,
.nav-menu .dropdown[data-type="products"] .tool-card:hover {
    transform: translateY(-2px);
    border-color: #007bff;
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.1);
    background: linear-gradient(145deg, #fff, #f8f9fa);
}

/* 产品展示网格 - 上部分 */
.nav-menu .dropdown[data-type="products"] .products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

/* 工具展示网格 - 下部分 */
.nav-menu .dropdown[data-type="products"] .tools-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

/* 统一的卡片内部样式 */
.nav-menu .dropdown[data-type="products"] .product-icon,
.nav-menu .dropdown[data-type="products"] .tool-card .product-icon {
    width: 40px;
    height: 40px;
    margin-right: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-menu .dropdown[data-type="products"] .product-icon img,
.nav-menu .dropdown[data-type="products"] .tool-card .product-icon img {
    width: 40px;
    height: 40px;
}

.nav-menu .dropdown[data-type="products"] .product-info,
.nav-menu .dropdown[data-type="products"] .tool-card .product-info {
    flex: 1;
}

.nav-menu .dropdown[data-type="products"] .product-info h4,
.nav-menu .dropdown[data-type="products"] .tool-card .product-info h4 {
    font-size: 15px;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 4px;
}

.nav-menu .dropdown[data-type="products"] .product-info p,
.nav-menu .dropdown[data-type="products"] .tool-card .product-info p {
    font-size: 13px;
    color: #64748b;
    line-height: 1.4;
    margin: 0;
}

/* 工具卡片样式继承产品卡片样式 */
.nav-menu .dropdown[data-type="products"] .tool-card {
    display: flex;
    align-items: flex-start;
    padding: 16px;
    background: #fff;
    border-radius: 12px;
    border: 1px solid rgba(0, 123, 255, 0.08);
    transition: all 0.3s ease;
}

.nav-menu .dropdown[data-type="products"] .tool-card:hover {
    transform: translateY(-3px);
    border-color: #007bff;
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.1);
}

/* 底部推荐区域 */
.nav-menu .dropdown[data-type="products"] .products-featured {
    margin-top: 30px;
    padding: 20px 30px;
    background: linear-gradient(135deg, #f8f9fa 0%, #fff 100%);
    border-radius: 20px;
    border: 1px solid rgba(0, 123, 255, 0.1);
}

.nav-menu .dropdown[data-type="products"] .featured-title {
    font-size: 16px;
    color: #64748b;
    margin-bottom: 20px;
    text-align: center;
}

.nav-menu .dropdown[data-type="products"] .featured-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.nav-menu .dropdown[data-type="products"] .featured-item {
    text-align: center;
    padding: 15px;
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

/* 添加特色图标 */
.nav-menu .dropdown[data-type="products"] .featured-icon {
    width: 32px;
    height: 32px;
    margin-bottom: 5px;
}

/* 解决方案下拉菜单样式重构 */
.nav-menu .dropdown[data-type="solutions"] .dropdown-content {
    padding: 0;
    height: auto;
    min-height: 600px;
    background: #fff;
}

.nav-menu .dropdown[data-type="solutions"] .dropdown-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 30px;
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 40px;
}

/* 左侧分类按钮样式 */
.nav-menu .dropdown[data-type="solutions"] .solution-categories {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.nav-menu .dropdown[data-type="solutions"] .category-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: #fff;
    border: 1px solid rgba(0, 123, 255, 0.1);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-menu .dropdown[data-type="solutions"] .category-btn:hover {
    background: #f0f7ff;
    border-color: rgba(0, 123, 255, 0.2);
}

.nav-menu .dropdown[data-type="solutions"] .category-btn.active {
    background: #007bff;
    border-color: #007bff;
    color: #fff;
}

.nav-menu .dropdown[data-type="solutions"] .category-icon {
    width: 32px;
    height: 32px;
}

.nav-menu .dropdown[data-type="solutions"] .category-name {
    font-size: 15px;
    font-weight: 500;
}

/* 内容按钮样式 */
.nav-menu .dropdown[data-type="solutions"] .content-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.nav-menu .dropdown[data-type="solutions"] .content-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: #f8f9fa;
    border: 1px solid rgba(0, 123, 255, 0.08);
    border-radius: 12px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.nav-menu .dropdown[data-type="solutions"] .content-btn:hover {
    background: #fff;
    border-color: #007bff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.1);
}

.nav-menu .dropdown[data-type="solutions"] .content-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-menu .dropdown[data-type="solutions"] .content-icon img {
    width: 52px;
    height: 52px;
}

.nav-menu .dropdown[data-type="solutions"] .content-info {
    flex: 1;
}

.nav-menu .dropdown[data-type="solutions"] .content-info h4 {
    font-size: 16px;
    color: #2c3e50;
    font-weight: 600;
    margin-bottom: 5px;
}

.nav-menu .dropdown[data-type="solutions"] .content-info p {
    font-size: 13px;
    color: #64748b;
    line-height: 1.4;
    margin: 0;
}

/* 标签样式 */
.nav-menu .dropdown[data-type="products"] .beta-tag,
.nav-menu .dropdown[data-type="products"] .free-tag,
.nav-menu .dropdown[data-type="products"] .coming-tag {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 2px 8px;
    font-size: 12px;
    border-radius: 4px;
    font-weight: 500;
    z-index: 1;
}

/* 内测标签 */
.nav-menu .dropdown[data-type="products"] .beta-tag {
    color: #ff4d4f;  /* 添加红色文字 */
    background: #fff;
    border: 1px solid #ff4d4f;
}

/* 免费标签 */
.nav-menu .dropdown[data-type="products"] .free-tag {
    color: #52c41a;  /* 添加绿色文字 */
    background: #fff;
    border: 1px solid #52c41a;
}

/* 即将上线标签 */
.nav-menu .dropdown[data-type="products"] .coming-tag {
    color: #007bff;  /* 添加蓝色文字 */
    background: #fff;
    border: 1px solid #007bff;
}

/* 确保卡片内容不会与标签重叠 */
.nav-menu .dropdown[data-type="products"] .product-info,
.nav-menu .dropdown[data-type="products"] .tool-card .product-info {
    padding-right: 70px;
}

/* 链接样式 */
.nav-menu .dropdown[data-type="products"] a.product-card,
.nav-menu .dropdown[data-type="products"] a.tool-card {
    text-decoration: none;
    color: inherit;
    font-weight: normal;
}

/* 只让标题加粗 */
.nav-menu .dropdown[data-type="products"] a.product-card .product-info h4,
.nav-menu .dropdown[data-type="products"] a.tool-card .product-info h4 {
    font-weight: 600;
}

/* 确保描述文字不加粗 */
.nav-menu .dropdown[data-type="products"] a.product-card .product-info p,
.nav-menu .dropdown[data-type="products"] a.tool-card .product-info p {
    font-weight: normal;
}

/* 移除下划线和其他特效 */
.nav-menu .dropdown[data-type="products"] a.product-card::after,
.nav-menu .dropdown[data-type="products"] a.tool-card::after {
    display: none;
}