导航栏整体样式
#nav {
    background-color: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 1000;
}

/* 容器样式 */
#nav .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

/* Logo样式 */
#nav .logo {
    margin: 0;
    padding: 0;
}

#nav .logo img {
    margin-top: 13px;
    height: 65px;
    width: auto;
}

/* 导航菜单容器 */
#nav .nava {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

/* 一级导航项 */
#nav .nav-item {
    position: relative;
    margin: 0 15px;
}

/* 导航链接基础样式 */
#nav .a1 {
    display: block;
    padding: 10px 15px;
    color: #333333;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

/* 导航链接悬停效果 */
#nav .a1:hover {
    color: #e63946;
}

/* 导航链接激活状态 */
#nav .a1.color {
    color: #e63946;
}

/* 导航链接激活状态下划线 */
#nav .a1.color::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 15px;
    right: 15px;
    height: 2px;
    background-color: #e63946;
}

/* 二级导航容器 */
#nav .nava li .has-children {
    position: absolute;
    top: calc(100% + 5px);
    left: 0;
    background-color: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    list-style: none;
    margin: 0;
    padding: 15px 20px;
    /* min-width: 100px;
    max-width: 350px; */
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    border-radius: 4px;
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 15px !important;
    row-gap: 10px !important;
    align-items: center !important;
    z-index: 9999;
    justify-content: flex-start !important;
}



/* 一级导航项悬停时显示二级导航 */
#nav .nava li:hover .has-children {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 二级导航项 */
#nav .nava li .has-children li {
    margin: 0 !important;
    padding: 0 !important;
    white-space: nowrap !important;
    display: block !important;
    width: auto !important;
    text-align: left !important;
    max-width: none !important;
    flex: 0 0 auto !important;
    
}

/* 二级导航链接 */
#nav .nava li .has-children li a {
    display: block !important;
    padding: 6px 12px !important;
    color: #333333 !important;
    text-decoration: none !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif !important;
    letter-spacing: 0.4px !important;
    text-transform: uppercase !important;
    transition: all 0.2s ease !important;
    border-radius: 4px !important;
    height: auto !important;
    line-height: normal !important;
    cursor: pointer !important;
    border: none !important;
    min-width: 100px !important;
    text-align: center !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.05) !important;
}

/* 二级导航链接悬停效果 */
#nav .nava li .has-children li a:hover {
    color: #e63946 !important;
    background-color: #f8f9fa !important;
    letter-spacing: 0.6px !important;
    text-shadow: 0 1px 3px rgba(230, 57, 70, 0.2) !important;
    transform: translateY(-1px) !important;
}
/* 右侧导航图标 */
#nav .daohangi {
    display: none;
    cursor: pointer;
}

#nav .daohangi img {
    width: 24px;
    height: 24px;
    margin-left: 10px;
}

#nav .daohangi img:not(.cur) {
    display: none;
}

/* 响应式设计 */
@media (max-width: 992px) {
    #nav .nava {
        margin: 0;
    }
    
    #nav .nav-item {
        margin: 0 10px;
    }
    
    #nav .a1 {
        padding: 10px 10px;
        font-size: 15px;
    }
}

@media (max-width: 768px) {
    #nav .container {
        height: 70px;
    }
    
    #nav .logo img {
        height: 50px;
    }
    
    /* 显示移动端导航图标 */
    #nav .daohangi {
        display: flex;
        align-items: center;
    }
    
    /* 隐藏桌面端导航菜单 */
    #nav .nava {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: #ffffff;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all 0.3s ease;
    }
    
    /* 移动端导航菜单显示状态 */
    #nav .nava.show {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    /* 移动端一级导航项 */
    #nav .nav-item {
        margin: 5px 0;
        width: 100%;
    }
    
    /* 移动端导航链接 */
    #nav .a1 {
        padding: 12px 0;
        font-size: 16px;
    }
    
    /* 移动端二级导航容器 */
    #nav .nava li .has-children {
        position: static;
        box-shadow: none;
        padding: 10px 0 10px 20px;
        margin: 10px 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
        min-width: auto;
        flex-wrap: wrap;
        gap: 10px;
    }
    
    /* 移动端二级导航显示状态 */
    #nav .nava li:hover .has-children {
        display: flex;
    }
    
    /* 移动端二级导航项 */
    #nav .nava li .has-children li {
        white-space: nowrap;
    }
    
    /* 移动端二级导航链接 */
    #nav .nava li .has-children li a {
        padding: 4px 10px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    #nav .container {
        padding: 0 15px;
    }
    
    #nav .logo img {
        height: 40px;
    }
    
    #nav .a1 {
        font-size: 15px;
    }
}

/* 动画效果 */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#nav .nava {
    animation: fadeInDown 0.5s ease-out;
}

/* 导航项 hover 效果增强 */
#nav .nav-item:hover {
    transform: translateY(-2px);
}

#nav .nav-item {
    transition: transform 0.3s ease;
}

.nav-content
{
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 100%;           /* 占满父容器宽度，保证布局稳定 */
  padding: 0;            /* 清除默认内边距（按需调整） */
  margin: 0;             /* 清除默认外边距（按需调整） */
}

/* 导航菜单容器调整 */
#nav .nava {
    flex: 0 0 auto;
}

/* 中间空间占位 */
.nav-content .nav-space {
    flex: 1;
}

/* 右侧导航头部样式 */
#nav .nav-header-right {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 0 0 auto;
    margin-left: 1300px;
    position: relative;
}

#nav .nav-header-right img {
    width: 24px;
    height: 24px;
}

#nav .nav-header-right ul {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-radius: 4px;
    padding: 10px 0;
    min-width: 100px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    z-index: 9999;
    list-style: none;
    margin: 0;
}

#nav .nav-header-right ul li {
    width: 100%;
    padding:  0;
    margin: 0;
}

#nav .nav-header-right ul li a {
    display: block;
    padding: 8px 20px;
    width: 100%;
    font-size: 14px;
    text-decoration: none;
    color: #333333;
    transition: color 0.3s ease;
    margin:  0;
    line-height: 1.5;
}

#nav .nav-header-right ul li a:hover {
    color: #e63946;
}

/* 鼠标悬停显示语言切换菜单 */
#nav .nav-header-right:hover ul,
#nav .nav-header-right .iconfont:hover + ul {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 语言切换图标样式 */
#nav .nav-header-right .iconfont {
    cursor: pointer;
    transition: all 0.3s ease;
}

#nav .nav-header-right .iconfont:hover {
    opacity: 0.7;
}


       

/* 悬浮联系栏容器 */
.float-contact-bar {
    position: fixed;
    right: 0px;
    bottom: 24%;
    width: 65px;
    z-index: 99;
    cursor: pointer;
}

/* 单个按钮样式 */
.float-btn {
    margin-bottom: 5px;
    position: relative;
    width: 44px;
    height: 44px;
    background-color: #666666;
    line-height: 44px;
    text-align: center;
    color: #fff;
}


/* 图标容器居中样式 */
.float-btn .itemicon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

/* SVG图标样式 */
.float-btn .itemicon svg {
    vertical-align: middle;
}

/* 最后一个按钮去掉下边框 */
.float-btn:last-child {
    border-bottom: none;
}

/* 按钮 hover 效果 */
.float-btn:hover {
    background-color: #2a7efb;
    color: #2a7efb;
}

/* 回到顶部按钮特殊样式（可选） */
.float-btn.back-to-top {
    color: #fff;
    background-color: #b2b2b2;;
}
.float-btn.back-to-top:hover {
    background-color: #666666;
}


/* 弹出框样式 */
.float-btn .contact-popup {
    position: absolute;
    top: 50%;
    right: 100%;
    transform: translateY(-50%);
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 15px 20px;
    margin-right: 10px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    line-height: 1.5;
}

/* 弹出框箭头 */
.float-btn .contact-popup::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 100%;
    transform: translateY(-50%);
    border-width: 8px;
    border-style: solid;
    border-color: transparent transparent transparent #ffffff;
}

/* 鼠标悬停时显示弹出框 */
.float-btn:hover .contact-popup {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(-5px);
}

/* 弹出框内容样式 */
.float-btn .contact-content {
    text-align: left;
    padding-top: 0px; 
    padding-left: 5px;
    padding-right: 5px;
}

.float-btn .contact-title {
    font-size: 14px;
    color: #666666;
    margin-bottom: 5px;
    font-weight: 500;
    padding: 0;
}

.float-btn .contact-phone {
    font-size: 16px;
    color: #333333;
    font-weight: 600;
    margin: 0;
}

/* 确保弹出框在移动设备上也能正常显示 */
@media (max-width: 768px) {
    .float-btn .contact-popup {
        right: auto;
        left: 50%;
        top: 100%;
        transform: translateX(-50%);
        margin-right: 0;
        margin-top: 10px;
    }
    
    .float-btn .contact-popup::after {
        left: 50%;
        top: 0;
        transform: translateX(-50%) translateY(-100%);
        border-color: transparent transparent #ffffff transparent;
    }
    
    .float-btn:hover .contact-popup {
        transform: translateX(-50%) translateY(0);
    }
}


/* 微信弹出框样式 */
.float-btn .wechat-popup {
    position: absolute;
    top: 50%;
    right: 100%;
    transform: translateY(-50%);
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 10px;
    margin-right: 10px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

/* 微信弹出框箭头 */
.float-btn .wechat-popup::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 100%;
    transform: translateY(-50%);
    border-width: 8px;
    border-style: solid;
    border-color: transparent transparent transparent #ffffff;
}

/* 鼠标悬停时显示微信弹出框 */
.float-btn:hover .wechat-popup {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(-5px);
}

/* 微信弹出框内容样式 */
.float-btn .wechat-content {
    text-align: center;
}

.float-btn .wechat-content img {
    display: block;
    /* margin: 0 auto 10px; */
    border-radius: 4px;
    max-width: none !important; /* 覆盖全局 max-width 规则 */
    width: 80px !important; /* 强制设置宽度 */
}

.float-btn .wechat-text {
    font-size: 14px;
    color: #666666;
    margin: 0;
    font-weight: 500;
}

/* 确保弹出框在移动设备上也能正常显示 */
@media (max-width: 768px) {
    .float-btn .wechat-popup {
        right: auto;
        left: 50%;
        top: 100%;
        transform: translateX(-50%);
        margin-right: 0;
        margin-top: 10px;
    }
    
    .float-btn .wechat-popup::after {
        left: 50%;
        top: 0;
        transform: translateX(-50%) translateY(-100%);
        border-color: transparent transparent #ffffff transparent;
    }
    
    .float-btn:hover .wechat-popup {
        transform: translateX(-50%) translateY(0);
    }
}