/* 
 * 广州玖迪机电科技有限公司 - 公共样式文件
 * 作者：Zulu
 * 创建日期：2025-11-17
 */

/* ----------------- 1. CSS变量和基础设置 ----------------- */
:root {
    /* 主题颜色 */
    --jiudi-primary: #0056b3;        /* 主色调：深蓝 */
    --jiudi-secondary: #e74c3c;      /* 次要色：红色 */
    --jiudi-accent: #f39c12;         /* 强调色：橙色 */
    
    /* 文本颜色 */
    --jiudi-text-dark: #333333;      /* 深色文本 */
    --jiudi-text-light: #ffffff;     /* 浅色文本 */
    --jiudi-text-gray: #666666;      /* 灰色文本 */
    --jiudi-text-light-gray: #999999; /* 浅灰色文本 */
    
    /* 背景色 */
    --jiudi-bg-light: #ffffff;       /* 亮色背景 */
    --jiudi-bg-gray: #f5f5f5;        /* 灰色背景 */
    --jiudi-bg-dark: #2c3e50;        /* 深色背景 */
    --jiudi-bg-footer: #1A3C6E;      /* 底部背景 */
    
    /* 边框颜色 */
    --jiudi-border-light: #eeeeee;   /* 浅色边框 */
    --jiudi-border-gray: #dddddd;    /* 灰色边框 */
    
    /* 尺寸变量 */
    --jiudi-header-height: 80px;     /* 头部高度 */
    --jiudi-header-height-mobile: 60px; /* 移动端头部高度 */
    
    /* 断点 */
    --jiudi-breakpoint-sm: 576px;    /* 小屏幕 */
    --jiudi-breakpoint-md: 768px;    /* 中等屏幕 */
    --jiudi-breakpoint-lg: 992px;    /* 大屏幕 */
    --jiudi-breakpoint-xl: 1200px;   /* 超大屏幕 */
    
    /* 其他变量 */
    --jiudi-border-radius: 4px;      /* 圆角 */
    --jiudi-transition: all 0.3s ease; /* 过渡效果 */
    --jiudi-box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); /* 阴影效果 */
}

/* ----------------- 2. 重置样式 ----------------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: "Microsoft YaHei", "微软雅黑", "Hiragino Sans GB", sans-serif;
    color: var(--jiudi-text-dark);
    line-height: 1.6;
    background-color: var(--jiudi-bg-light);
    overflow-x: hidden;
}

a {
    color: var(--jiudi-primary);
    text-decoration: none;
    transition: var(--jiudi-transition);
}

a:hover {
    color: var(--jiudi-secondary);
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button, input, textarea {
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    border: none;
}

button {
    cursor: pointer;
    background: none;
}

/* ----------------- 3. 布局容器 ----------------- */
.jiudi_header_container,
.jiudi_footer_container {
    width: 100%;
    margin: 0 auto;
    padding: 0 50px;
}

.jiudi_main > section {
    width: 100%;
    margin: 0 auto;
    padding: 50px 20px;
}
.jiudi_main_container
{ width:100%; max-width:1450px;margin: 0 auto;}
/* ----------------- 4. 头部样式 ----------------- */
/* 头部容器 */
.jiudi_header {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--jiudi-header-height);
    background-color: var(--jiudi-bg-light);
    box-shadow: var(--jiudi-box-shadow);
    z-index: 100;
    transition: var(--jiudi-transition);
}

/* 头部滚动后样式 */
.jiudi_header.scrolled {
    height: calc(var(--jiudi-header-height) - 20px);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.15);
}

/* 头部容器 */
.jiudi_header_container {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    position: relative;
}

/* Logo */
.jiudi_logo {
    display: flex;
    align-items: center;
    height: 100%;
    position: absolute;
    left: 20px;
}

.jiudi_logo a {
    display: block;
    height: 70%;
}

.jiudi_logo img {
    height: 100%;
    width: auto;
    max-height: 60px;
    object-fit: contain;
}

/* 导航 */
.jiudi_nav {
    height: 100%;
    margin: 0;
}

.jiudi_nav_list {
    display: flex;
    height: 100%;
}

.jiudi_nav_item {
    position: relative;
    display: flex;
    align-items: center;
    height: 100%;
}
.jiudi_nav_link {
    display: flex;
    align-items: center;
    padding: 0 30px;
    height: 100%;
    color: var(--jiudi-text-dark);
    font-weight: 500;
    font-size: 1.1rem;
    white-space: nowrap;
}

.jiudi_nav_link:hover,
.jiudi_nav_link.jiudi_active {
    color: var(--jiudi-primary);
}

.jiudi_dropdown_icon {
    font-size: 12px;
    margin-left: 5px;
    transition: var(--jiudi-transition);
}

/* 导航下拉菜单 */
.jiudi_dropdown_menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 220px;
    display: flex;
    flex-direction: column;
    background-color: var(--jiudi-bg-light);
    border-radius: var(--jiudi-border-radius);
    box-shadow: var(--jiudi-box-shadow);
    opacity: 0;
    visibility: hidden;
    transition: var(--jiudi-transition);
    padding: 10px 0;
    z-index: 10;
    text-align: center;
}

.jiudi_has_dropdown:hover .jiudi_dropdown_menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.jiudi_has_dropdown:hover .jiudi_dropdown_icon {
    transform: rotate(180deg);
}

.jiudi_dropdown_item {
    padding: 10px 15px;
    color: var(--jiudi-text-dark);
    border-radius: 0;
    transition: var(--jiudi-transition);
    white-space: nowrap;
    text-align: center;
    margin: 0 10px;
}

.jiudi_dropdown_item:hover {
    color: var(--jiudi-primary);
    background-color: var(--jiudi-bg-gray);
}

.jiudi_dropdown_item:hover {
    color: var(--jiudi-primary);
    background-color: var(--jiudi-bg-gray);
}

/* 头部工具区域 */
.jiudi_header_tools {
    display: flex;
    align-items: center;
    position: absolute;
    right: 20px;
}

/* 搜索按钮 */
.jiudi_search_btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: var(--jiudi-text-dark);
    transition: var(--jiudi-transition);
}

.jiudi_search_btn:hover {
    background-color: var(--jiudi-bg-gray);
    color: var(--jiudi-primary);
}

/* 语言选择 */
.jiudi_language_selector {
    position: relative;
    margin-left: 10px;
}

.jiudi_language_btn {
    display: flex;
    align-items: center;
    padding: 0 15px;
    height: 40px;
    color: var(--jiudi-text-dark);
    border-radius: var(--jiudi-border-radius);
    transition: var(--jiudi-transition);
}

.jiudi_language_btn span {
    margin-right: 5px;
}

.jiudi_language_btn:hover {
    background-color: var(--jiudi-bg-gray);
}

.jiudi_language_dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    width: 120px;
    background-color: var(--jiudi-bg-light);
    border-radius: var(--jiudi-border-radius);
    box-shadow: var(--jiudi-box-shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--jiudi-transition);
    overflow: hidden;
    z-index: 10;
}

.jiudi_language_selector:hover .jiudi_language_dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.jiudi_language_item {
    display: block;
    padding: 10px 15px;
    color: var(--jiudi-text-dark);
    transition: var(--jiudi-transition);
}

.jiudi_language_item:hover {
    background-color: var(--jiudi-bg-gray);
}

.jiudi_language_item.jiudi_active {
    background-color: var(--jiudi-primary);
    color: var(--jiudi-text-light);
}

/* 移动端菜单按钮 */
.jiudi_mobile_menu_btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    cursor: pointer;
    z-index: 110;
}

.jiudi_mobile_menu_btn span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--jiudi-text-dark);
    transition: var(--jiudi-transition);
}

.jiudi_mobile_menu_btn.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.jiudi_mobile_menu_btn.active span:nth-child(2) {
    opacity: 0;
}

.jiudi_mobile_menu_btn.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* 搜索弹窗 */
.jiudi_search_overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: var(--jiudi-transition);
}

.jiudi_search_overlay.active {
    opacity: 1;
    visibility: visible;
}

.jiudi_search_modal {
    width: 90%;
    max-width: 600px;
    background-color: var(--jiudi-bg-light);
    border-radius: var(--jiudi-border-radius);
    padding: 30px;
    position: relative;
    transform: translateY(-50px);
    transition: var(--jiudi-transition);
}

.jiudi_search_overlay.active .jiudi_search_modal {
    transform: translateY(0);
}

.jiudi_search_close {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 24px;
    color: var(--jiudi-text-gray);
}

.jiudi_search_form {
    display: flex;
    margin-bottom: 20px;
}

.jiudi_search_input {
    flex: 1;
    height: 50px;
    padding: 0 15px;
    border: 2px solid var(--jiudi-border-gray);
    border-radius: var(--jiudi-border-radius) 0 0 var(--jiudi-border-radius);
    transition: var(--jiudi-transition);
}

.jiudi_search_input:focus {
    border-color: var(--jiudi-primary);
}

.jiudi_search_submit {
    width: 100px;
    height: 50px;
    background-color: var(--jiudi-primary);
    color: var(--jiudi-text-light);
    border-radius: 0 var(--jiudi-border-radius) var(--jiudi-border-radius) 0;
    transition: var(--jiudi-transition);
}

.jiudi_search_submit:hover {
    background-color: var(--jiudi-secondary);
}

.jiudi_search_hot {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    color: var(--jiudi-text-gray);
}

.jiudi_search_hot_title {
    margin-right: 10px;
}

.jiudi_search_hot a {
    margin: 5px 10px 5px 0;
    color: var(--jiudi-text-gray);
    font-size: 14px;
}

.jiudi_search_hot a:hover {
    color: var(--jiudi-primary);
}

<section class="jiudi_slider">板块，要挪到<main class="jiudi_main">的外面，也就是上方，确保幻灯片宽度100%。/* ----------------- 5. 主内容区域样式 ----------------- */
.jiudi_main {
    /* 添加适当的样式，如果需要的话 */
}

/* ----------------- 6. 底部样式 ----------------- */
.jiudi_footer {
    background-color: var(--jiudi-bg-footer);
    color: var(--jiudi-text-light);
    padding-top: 60px;
    position: relative;
}

.jiudi_footer_container {
    padding-bottom: 30px;
}

.jiudi_footer_main {
    display: flex;
    flex-wrap: nowrap;
    gap: 20px;
    margin-bottom: 40px;
    justify-content: space-between;
}

.jiudi_footer_section {
    flex: 1;
    min-width: 0;
}

/* 移除之前的特殊处理 */
.jiudi_footer_contact, .jiudi_footer_qrcode {
    flex-basis: auto;
    max-width: none;
}

/* 调整各板块宽度 */
.jiudi_footer_about {
    flex: 1.5;
}

.jiudi_footer_links,
.jiudi_footer_products {
    flex: 1;
}

/* 增加联系方式部分的宽度 */
.jiudi_footer_contact {
    flex: 1.3;
}

.jiudi_footer_qrcode {
    flex: 1;
}

.jiudi_footer_title {
    font-size: 1.2rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--jiudi-primary);
    display: inline-block;
}

.jiudi_footer_desc {
    margin-bottom: 20px;
<!-- 联系方式 -->的宽度拉大一些。 <li>下的去掉div盒子li下的<strong>和内容，只保留<span>的内容    /* 提高整体字体颜色亮度 */
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    line-height: 1.8;
}

.jiudi_footer_logo {
    margin-top: 20px;
    max-width: 180px;
}

.jiudi_footer_logo img {
    max-width: 100%;
    height: auto;
}

.jiudi_footer_list li {
    margin-bottom: 10px;
}

.jiudi_footer_list a {
    /* 提高带链接文本的亮度 */
    color: rgba(255, 255, 255, 0.85);
    transition: var(--jiudi-transition);
    display: block;
    padding: 5px 0;
    font-size: 14px;
}

.jiudi_footer_list a:hover {
    /* 修改鼠标划过链接的颜色，使其更亮 */
    color: var(--jiudi-accent);
    padding-left: 5px;
}

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

.jiudi_footer_contact_list li {
    display: flex;
    align-items: center;
    width: 100%;
    gap: 10px;
}

.jiudi_footer_contact_list i {
    font-size: 20px;
    color: var(--jiudi-text-light);
    flex-shrink: 0;
}

.jiudi_footer_contact_list a,
.jiudi_footer_contact_list span {
    /* 提高联系方式文本的亮度 */
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
}

.jiudi_footer_contact_list a:hover {
    /* 修改鼠标划过链接的颜色，使其更亮 */
    color: var(--jiudi-accent);
}


.jiudi_footer_bottom {
    padding: 15px 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.3);
}

.jiudi_footer_copyright {
    /* 提高版权信息文本的亮度 */
    color: rgba(255, 255, 255, 0.85);
    font-size: 13px;
}

.jiudi_footer_copyright p {
    margin-bottom: 10px;
}

.jiudi_footer_copyright a {
    /* 提高版权信息链接的亮度 */
    color: rgba(255, 255, 255, 0.85);
}

.jiudi_footer_copyright a:hover {
    /* 修改鼠标划过链接的颜色，使其更亮 */
    color: var(--jiudi-accent);
}

/* 微信二维码样式 */
.jiudi_qrcode_container {
    display: flex;
    justify-content: flex-end; /* 改为右对齐 */
    gap: 15px; /* 减少间距 */
}

.jiudi_qrcode_wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.jiudi_qrcode_img {
    width: 100px;
    height: 100px;
    margin-bottom: 10px;
}

.jiudi_qrcode_wrapper p {
    font-size: 14px;
    /* 提高二维码说明文本的亮度 */
    color: rgba(255, 255, 255, 0.85);
    text-align: center;
}

/* 返回顶部按钮 */
.jiudi_back_to_top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--jiudi-primary);
    color: var(--jiudi-text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--jiudi-transition);
    z-index: 100;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
}

.jiudi_back_to_top.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.jiudi_back_to_top:hover {
    background-color: var(--jiudi-secondary);
    color: var(--jiudi-text-light);
    transform: translateY(-5px);
}

/* ----------------- 7. 响应式样式 ----------------- */
/* 大屏幕 */
@media (max-width: 1200px) {
    .jiudi_nav_link {
        padding: 0 35px;
        font-size: 1rem;
    }
    
    .jiudi_footer_main {
        gap: 20px;
    }
}

/* 中等屏幕 */
@media (max-width: 992px) {
    .jiudi_header {
        height: var(--jiudi-header-height-mobile);
    }
    
    .jiudi_header.scrolled {
        height: var(--jiudi-header-height-mobile);
    }
    
    .jiudi_mobile_menu_btn {
        display: flex;
    }
    
    .jiudi_nav {
        position: fixed;
        top: 0;
        right: 0;
        width: 300px;
        height: 100vh;
        background-color: var(--jiudi-bg-light);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        margin-left: 0;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        z-index: 105;
        overflow-y: auto;
        padding: 80px 20px 20px;
    }
    
    .jiudi_nav.active {
        transform: translateX(0);
    }
    
    .jiudi_nav_list {
        flex-direction: column;
        height: auto;
    }
    
    .jiudi_nav_item {
        height: auto;
        width: 100%;
    }
    
    .jiudi_nav_link {
        padding: 15px 0;
        justify-content: space-between;
    }
    
    .jiudi_dropdown_menu {
        position: static;
        visibility: visible;
        opacity: 1;
        transform: none;
        box-shadow: none;
        flex-direction: column;
        padding: 0 0 0 20px;
        display: none;
        width: 100%;
    }
    
    .jiudi_dropdown_menu.active {
        display: block;
    }
    
    .jiudi_dropdown_item {
        padding: 10px 0;
        flex: none;
        margin: 0;
        width: 100%;
    }
    
    /* 删除 banner 相关样式 */
    
    .jiudi_footer_section {
        flex: 0 0 calc(50% - 15px);
    }
}

/* 小屏幕 */
@media (max-width: 768px) {
    /* 删除 banner 相关样式 */
    
    .jiudi_footer_main {
        flex-wrap: wrap;
    }
    
    .jiudi_footer_section {
        flex: 0 0 100%;
        margin-bottom: 30px;
    }
    
    /* 小屏幕下二维码样式调整 */
    .jiudi_qrcode_container {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }
    
    .jiudi_qrcode_img {
        width: 80px;
        height: 80px;
    }
    
    .jiudi_back_to_top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
    }
}

/* 特小屏幕 */
@media (max-width: 576px) {
    .jiudi_header_tools {
        margin-left: auto;
    }
    
    /* 删除 banner 相关样式 */
    
    .jiudi_search_input {
        height: 45px;
    }
    
    .jiudi_search_submit {
        width: 80px;
        height: 45px;
    }
    
    .jiudi_footer_bottom {
        padding: 15px 0;
    }
}