:root {
    /* 简洁的响应式默认样式重置 (reset) */
    --max-width: 80.73vw;
    /*--primary-color: #0C5B8B;*/
    /*--primary-color: #021034;*/
    /*--primary-color: #0C2433;*/
    --primary-color: #002C48;
    --focus-color: var(--primary-color);
    /* 常用响应式断点（移动优先）——一般设置 4–6 个断点：xs/sm/md/lg/xl/xxl */
    --bp-xs: 360px;
    /* 小屏手机 */
    --bp-sm: 480px;
    /* 大屏手机 / 小平板 */
    --bp-md: 768px;
    /* 平板 */
    --bp-lg: 1024px;
    /* 小型笔记本 / 桌面 */
    --bp-xl: 1200px;
    /* 常规大屏桌面 */
    --bp-xxl: 1440px;
    /* 更高清大屏 */
}

@media (max-width: 800px) {
    :root {
        --max-width: 100%;
    }
}

/* 基础重置 */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/*@font-face {*/
/*font-family: 'Source Sans Pro';*/
/*  src: url('/assets/yuanlv/fonts/revicons.woff') format('woff');*/
/*  font-weight: normal;*/
/*  font-style: normal;*/
/*}*/

/* cyrillic-ext */
@font-face {
    font-family: 'Source Sans Pro';
    font-display: swap;
    src: url(/assets/yuanlv/fonts/16183.ttf) format('woff2');
    unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}

/* cyrillic */
@font-face {
    font-family: 'Source Sans Pro';
    font-display: swap;
    src: url(/assets/yuanlv/fonts/16183.ttf) format('woff2');
    unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}

/* greek-ext */
@font-face {
    font-family: 'Source Sans Pro';
    font-display: swap;
    src: url(/assets/yuanlv/fonts/16183.ttf) format('woff2');
    unicode-range: U+1F00-1FFF;
}

/* greek */
@font-face {
    font-family: 'Source Sans Pro';
    font-display: swap;
    src: url(/assets/yuanlv/fonts/16183.ttf) format('woff2');
    unicode-range: U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF;
}

/* vietnamese */
@font-face {
    font-family: 'Source Sans Pro';
    font-display: swap;
    src: url(/assets/yuanlv/fonts/16183.ttf) format('woff2');
    unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}

/* latin-ext */
@font-face {
    font-family: 'Source Sans Pro';
    font-display: swap;
    src: url(/assets/yuanlv/fonts/16183.ttf) format('woff2');
    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* latin */
@font-face {
    font-family: 'Source Sans Pro';
    font-display: swap;
    src: url(/assets/yuanlv/fonts/16183.ttf) format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* cyrillic-ext */
@font-face {
    font-family: 'Source Sans Pro';
    font-display: swap;
    src: url(/assets/yuanlv/fonts/16183.ttf) format('woff2');
    unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}

/* cyrillic */
@font-face {
    font-family: 'Source Sans Pro';
    font-display: swap;
    src: url(/assets/yuanlv/fonts/16183.ttf) format('woff2');
    unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}

/* greek-ext */
@font-face {
    font-family: 'Source Sans Pro';
    font-display: swap;
    src: url(/assets/yuanlv/fonts/16183.ttf) format('woff2');
    unicode-range: U+1F00-1FFF;
}

/* greek */
@font-face {
    font-family: 'Source Sans Pro';
    font-display: swap;
    src: url(/assets/yuanlv/fonts/16183.ttf) format('woff2');
    unicode-range: U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF;
}

/* vietnamese */
@font-face {
    font-family: 'Source Sans Pro';
    font-display: swap;
    src: url(/assets/yuanlv/fonts/16183.ttf) format('woff2');
    unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}

/* latin-ext */
@font-face {
    font-family: 'Source Sans Pro';
    font-display: swap;
    src: url(/assets/yuanlv/fonts/16183.ttf) format('woff2');
    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* latin */
@font-face {
    font-family: 'Source Sans Pro';
    font-display: swap;
    src: url(/assets/yuanlv/fonts/16183.ttf) format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* cyrillic-ext */
@font-face {
    font-family: 'Source Sans Pro';
    font-display: swap;
    src: url(/assets/yuanlv/fonts/16183.ttf) format('woff2');
    unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}

/* cyrillic */
@font-face {
    font-family: 'Source Sans Pro';
    font-display: swap;
    src: url(/assets/yuanlv/fonts/16183.ttf) format('woff2');
    unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}

/* greek-ext */
@font-face {
    font-family: 'Source Sans Pro';
    font-display: swap;
    src: url(/assets/yuanlv/fonts/16183.ttf) format('woff2');
    unicode-range: U+1F00-1FFF;
}

/* greek */
@font-face {
    font-family: 'Source Sans Pro';
    font-display: swap;
    src: url(/assets/yuanlv/fonts/16183.ttf) format('woff2');
    unicode-range: U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF;
}

/* vietnamese */
@font-face {
    font-family: 'Source Sans Pro';
    font-display: swap;
    src: url(/assets/yuanlv/fonts/16183.ttf) format('woff2');
    unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}

/* latin-ext */
@font-face {
    font-family: 'Source Sans Pro';
    font-display: swap;
    src: url(/assets/yuanlv/fonts/16183.ttf) format('woff2');
    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* latin */
@font-face {
    font-family: 'Source Sans Pro';
    font-display: swap;
    src: url(/assets/yuanlv/fonts/16183.ttf) format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}



/* 页面基础 */
html,
body {
    height: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    /*font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;*/
    font-size: 16px;
    line-height: 1.4;
    color: #111;
    background: #fff;
    font: normal 100% 'Source Sans Pro', sans-serif;
    /*font-family: Source Sans Pro,Arial, Helvetica, sans-serif;*/
}

/* 媒体元素响应式 */
img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
    height: auto;
}

/* 列表、链接、表格 */
ul,
ol {
    list-style: none;
    font-family: Source Sans Pro;
}

a {
    color: inherit;
    text-decoration: none;
    font-family: Source Sans Pro;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
    font-family: Source Sans Pro;
}

/* 只在键盘导航时显示焦点框，鼠标点击时移除 */
a:focus {
    outline: none;
    box-shadow: none;
}

a:focus-visible {
    outline: 3px solid var(--focus-color);
    outline-offset: 2px;
}

/* 表单与按钮 */
button,
input,
textarea,
select {
    font: inherit;
    color: inherit;
    background: transparent;
    border: 0;
    outline: none;
    font-family: Source Sans Pro;
}

button {
    cursor: pointer;
    font-family: Source Sans Pro;
}

/* 保持可见的键盘焦点样式（无障碍） */
:focus {
    outline: 3px solid var(--focus-color);
    outline-offset: 2px;
}

/* 常用容器工具类，方便响应式布局 */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1rem;
}

.both {
    clear: both;
}

/* 导航栏开始 */
.topnav {
    width: 100%;
    padding: 5px 0 6px 0;
    background: #FFFFFF;
}

.topnav .row {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.tdtips {
    font-size: 11px;
    color: #666666;
    margin-right: 8px;
    font: normal 1em 'Source Sans Pro', sans-serif;
}

.search {
    width: 400px;
    height: 28px;
    background: #FFFFFF;
    border: 1px solid #666666;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 12px;
    box-sizing: border-box;
}

.search input {
    width: calc(100% - 30px);
    outline: none;
}

.nav {
    width: 100%;
    height: 66px;
    background-color: var(--primary-color);
    padding: 11px 0;
    box-sizing: border-box;
}

.nav_zhanwei {
    width: 100%;
    height: 66px;
    background: var(--primary-color);
    padding: 11px 0;
    box-sizing: border-box;
    display: none;
}

.nav_fixed {
    position: fixed;
    top: 0;
    z-index: 100;
}

.nav_row {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav_row .logo {
    width: auto;
    height: 44px;
}

.menu .nav-menu {
    margin: 0;
    padding: 0;
    display: flex;
    gap: 20px;
    align-items: center;
    list-style: none;
    font-size: 16px
}

.menu .nav-menu>li {
    position: relative
}

.menu .nav-menu a {
    font-size: 14px;
    color: #FFFFFF;
    text-decoration: none;
    padding: 12px 8px;
    display: block;
    font: normal 1.2em 'Source Sans Pro', sans-serif;
}

/*.menu .nav-menu li:hover>a {*/
/*    font-weight: bold;*/
/*}*/

.menu .nav-menu .submenu {
    position: absolute;
    left: 0;
    top: 100%;
    min-width: 160px;
    background: #fff;
    padding: 6px 0;
    border: 1px solid #eee;
    box-shadow: 0 6px 18px rgba(0, 0, 0, .08);
    display: none;
    z-index: 10;
    border: 2px solid var(--primary-color);
}

.submenu1 {}

.submenu2 {
    left: -187px !important;
}

.submenu3 {
    left: -403px !important;
}

/* 将 .submenu 下的 li 设置为两列排列 */
.menu .nav-menu .submenu {
    /* 使用多栏布局将子项分为两列 */
    column-count: 3;
    column-gap: 6px;
    /* 保持与原有 padding/背景等兼容 */
    padding: 6px;
}

.menu .nav-menu .submenu li {
    /* 防止在列内被拆分，保证每个 li 完整显示在单列内 */
    break-inside: avoid;
    -webkit-column-break-inside: avoid;
    page-break-inside: avoid;
    /* 确保 li 占满列宽并为块级显示 */
    display: block;
    width: 100%;
    /*max-width: 150px;*/
    padding: 8px 0;
}

.menu .nav-menu .submenu_pai {
    column-count: 3;
    column-gap: 6px;
}

.menu .nav-menu .submenu li a {
    padding: 0px 12px;
    white-space: nowrap;
    font-weight: 300;
    /*font-size: 12px;*/
    color: #5A5A5A;
    font: normal 1em 'Source Sans Pro', sans-serif;
    border-left: 3px solid var(--primary-color);
}
.menu .nav-menu .submenu .download_li_ a{
    padding: 6px 12px;
}
.menu .nav-menu .submenu .download_li_ a:nth-child(1){
    padding-top: 0;
}
.menu .nav-menu .submenu .download_li_ a:nth-last-child(1){
    padding-bottom: 0;
}
.menu .nav-menu li:hover>.submenu {
    display: block
}

.menu .nav_menu_mobile {
    display: none;
}

/* 简单的二级展示动画 */
.menu .nav-menu .submenu {
    opacity: 0;
    transform: translateY(6px);
    transition: opacity .18s ease, transform .18s ease
}

.menu .nav-menu li:hover>.submenu {
    opacity: 1;
    transform: translateY(0)
}

.menu .nav-menu li ul a {
    font-weight: bold;
    font-size: 12px;
    color: #5A5A5A;
}

.menu .nav-menu .submenu li:hover a {
    color: var(--primary-color);
}
.menu .nav-menu .submenu .download_li_:hover a {
    color: #5A5A5A;
}
.menu .nav-menu .submenu .download_li_ a:hover {
    color: var(--primary-color);
}
.menu .nav-menu .submenu_pai li:hover a {
    color: #5A5A5A;
}

.menu .nav-menu .submenu_pai ul li:hover a {
    color: var(--primary-color);
}

.menu .nav-menu .submenu_pai li .submenu_pai_title {
    font-weight: bold;
    font-size: 12px;
    color: var(--primary-color) !important;
    font: normal 1.2em 'Source Sans Pro', sans-serif;
    padding-bottom: 5px;
}

.menu .nav-menu .submenu_pai li ul li a {
    font: normal 1em 'Source Sans Pro', sans-serif;
    padding: 3px 12px;
}

.menu .nav-menu .submenu_pai li ul li {
    padding: 0 0;
}

.topnav_logo {
    display: none;
}

/*  */
.erji_nav {
    width: 100%;
    height: auto;
    max-height: 150px;
    position: relative;
}

.erji_nav img {
    width: 100%;
    height: auto;
    max-height: 150px;
}

.erji_nav .img_pc {
    display: block;
}

.erji_nav .img_mobile {
    display: none;
}

.erji_nav_p {
    width: 100%;
    max-width: var(--max-width);
    height: 100%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.erji_nav_p p,
.erji_nav_p h1 {
    font-weight: bold;
    font-size: 50px;
    color: #FFFFFF;
    position: absolute;
    left: 0;
    bottom: 20px;
}

/* 切换语言 */
.language-dropdown {
    position: relative;
    display: inline-block;
    font-family: inherit;
    border: 1px solid #666666;
    margin-left: 10px;
    /*box-sizing: border-box;*/
}

.language-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #FFFFFF;
    padding: 2.5px 8px;
    cursor: pointer;
    outline: none;
    font-size: 14px;
}

.language-btn .lang-flag {
    width: 18px;
    height: auto;
    display: block;
}

.language-list {
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 6px;
    list-style: none;
    padding: 6px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 6px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, .08);
    display: none;
    min-width: 160px;
    z-index: 1000;
}

.language-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    cursor: pointer;
    border-radius: 4px;
}

.language-item img {
    width: 20px;
    height: auto;
    display: block;
}

.language-item:hover {
    background: #f5f5f5;
}

.language-item span {
    white-space: nowrap;
}

.language-chevron {
    font-size: 12px;
    color: #666666;
}

/* 触摸设备兼容：在小屏上改为垂直列表 */
@media (max-width:800px) {
    .language-dropdown {
        position: absolute;
        top: 26px;
        right: 10px;
    }

    .topnav .row {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    .topnav_logo {
        display: block;
        width: auto;
        height: 47px;
        margin-top: 18px;
    }

    .tdtips {
        width: 100%;
        text-align: center;
        font-weight: bold;
        font-size: 15px;
        color: #666666;
        line-height: 21px;
        margin-top: 8px;
        margin-right: 0;
    }

    .search {
        width: 350px;
        margin-top: 10px;
    }

    .nav {
        padding: 0;
        height: auto;
    }

    .nav_zhanwei {
        width: 100%;
        padding: 0;
        height: auto;
        min-height: 39px;
        box-sizing: border-box;
        display: none;
    }

    .menu {
        width: 100%;
    }

    .menu .nav_menu_mobile {
        width: 100%;
        height: 39px;
        display: block;
        cursor: pointer;
        padding: 0 14px;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .nav_mobile_menu {
        font-weight: bold;
        font-size: 18px;
        color: #FFFFFF;
    }

    .nav_menu_mobile .nav-toggle {
        width: 23px;
        height: 16px;
    }

    .menu .nav-menu {
        width: 350px;
        flex-direction: column;
        background: #fff;
        position: absolute;
        right: 0;
        /* top: 100%; */
        /* padding: 8px; */
        border: 5px solid var(--primary-color);
        display: none;
        z-index: 1000;
        gap: 0;
        max-height: 80vh;
        overflow-y: auto;
    }

    .menu.open .nav-menu {
        display: flex
    }

    .menu .nav-menu li {
        width: 100%;
        text-align: left;
        border-bottom: 1px solid var(--primary-color);
    }

    .menu .nav-menu li a {
        font-weight: bold;
        font-size: 18px;
        color: #000000;
    }

    .menu .nav-menu li .submenu {
        position: static;
        border: none;
        box-shadow: none;
        transform: none;
        opacity: 1;
        padding: 0;
        margin-top: 0;
        display: block;
        column-count: 1;
        column-gap: 0;
        width: 100%;
    }

    .menu .nav-menu li .submenu li {
        border-bottom: none;
        padding: 0;
    }

    .submenu2 {
        padding-bottom: 10px !important;
    }

    .menu .nav-menu .submenu li {
        max-width: 100%;

    }

    .menu .nav-menu .submenu li a {
        border-left: none;
        padding: 8px 12px;
    }

    .nav_row .logo {
        display: none;
    }

    .erji_nav_p p {
        font-weight: bold;
        font-size: 33px;
        color: #FFFFFF;
        position: absolute;
        left: 12px;
        bottom: 20px;
        line-height: 40px;
    }

    .erji_nav .img_pc {
        display: none;
    }

    .erji_nav .img_mobile {
        display: block;
    }
}

/* 导航栏结束 */
/* 底部开始 */
.footer_top {
    width: 100%;
    height: auto;
    background: var(--primary-color);
}

.footer_top_main {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 20px 14px 16px;
    box-sizing: content-box;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
}

.footer_left {
    max-width: 360px;
}

.footer_logo {
    /*width: 62px;*/
    height: 116px;
    margin-bottom: 16px;
}

.footer_tel {
    display: flex;
    align-items: center;
    padding-top: 14px;
}

.footer_tel img {
    width: 20px;
    margin-right: 10px;
}

.footer_tel span {
    font-weight: 400;
    font-size: 16px;
    color: #FFFFFF;
}

.footer_left_contact_bottom {
    display: flex;
    align-items: center;
    gap: 9px;
    margin-top: 20px;
}

.footer_left_contact_bottom img {
    width: 32px;
    height: 32px;
}

.footer_left_beian {
    font-weight: 400;
    font-size: 14px;
    color: #FFFFFF;
    margin-top: 20px;
}

.footer_left_beian span:nth-child(2) {
    margin-left: 30px;
}

.footer_left_link {
    font-size: 0;
    display: flex;
    flex-wrap: wrap;
    /* 超出自动换行 */
    gap: 16px;
    /* 子项间距 30px */
    align-items: center;
    justify-content: flex-start;
    /* 左对齐，避免 space-between */
    margin-top: 12px;
}

.footer_left_link span {
    padding: 0;
    margin: 0;
    font-size: 14px;
    color: #FFFFFF;
    flex: 0 0 auto;
    /* 不拉伸，保持原宽度 */
    white-space: nowrap;
    /* 单个 span 内不换行 */
}

.footer_right {
    /*max-width: calc(100% - 660px - 40px);*/
    /*width: calc(100% - 660px - 40px);*/
    width: 100%;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 40px;
}

.footer_right_menu_title {
    font-weight: bold;
    font-size: 24px;
    color: #FFFFFF;
}

.footer_right_menu ul {
    margin-top: 8px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-weight: 400;
    font-size: 16px;
    color: #FFFFFF;
}

.footer_right_menu ul li {
    min-width: 200px;
}

.footer_bottom {
    width: 100%;
    height: 64px;
    background: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer_bottom ul {
    max-width: var(--max-width);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 46px;
}

.footer_bottom ul li {
    color: #666666;
    /*font-size: 14px;*/
    cursor: pointer;
    transition: 0.3s;
    font: 300 1.1em 'Source Sans Pro', sans-serif;
}

.footer_bottom ul li:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.footer_bottom p {
    display: none;
}

.pc_footer_left {
    display: block;
}

.mobile_footer_left {
    display: none;
}

.mobile_footer_bottom {
    display: none;
}

@media (max-width: 900px) {
    .footer_right {
        max-width: 100%;
        flex-direction: column;
        gap: 0;
    }

    .footer_right_menu {
        margin-top: 25px;
    }
}

/* 小屏（移动端）覆盖为设计稿尺寸 */
@media (max-width: 800px) {
    .footer_top_main {
        padding: 16px 14px 7px;
        box-sizing: border-box;
    }

    .pc_footer_left {
        display: none;
    }

    .mobile_footer_left {
        display: block;
    }

    .footer_bottom {
        height: 45px;
    }

    .footer_bottom ul {
        display: none;
    }

    .footer_bottom p {
        display: none;
        font-size: 20px;
        color: #FFFFFF;
        font-weight: 300;
    }

    .mobile_footer_bottom {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-evenly;
    }

    .img_btn {
        display: flex;
        align-items: center;
        flex-direction: column;
        position: relative;
    }

    .img_btn_right_fixed_popup {
        padding: 3px 10px;
        background: #FFFFFF;
        color: #666666;
        font-size: 16px;
        position: absolute;
        bottom: 40px;
        display: none;
    }

    .img_btn_img1 {
        width: 20px;
        height: 20px;
    }

    .img_btn:nth-child(2) img {
        width: 20px;
        height: 20px;
    }

    .img_btn:nth-child(3) img {
        width: 20px;
        height: 14px;
    }

    .img_btn:nth-child(4) img {
        width: 14px;
        height: 18px;
    }

    .img_btn_right_fixed_popup_img {
        width: 120px;
        height: 120px;
        padding: 0;
    }
}

/* 底部结束 */
/* 右侧开始 */
.right_fixed {
    position: fixed;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 5px;
}

.right_fixed_info {
    max-height: 52px;
    display: flex;
    align-items: center;
}

.right_fixed_img {
    width: 52px;
    height: 52px;
    cursor: pointer;
}

.right_fixed_popup {
    padding: 8px;
    box-sizing: content-box;
    border-radius: 6px;
    background-color: var(--primary-color);
    color: #FFFFFF;
    /*position: absolute;*/
    /*right: 52px;*/
    margin-right: 8px;
}

.right_fixed_info_img {
    box-shadow: 0px 0px 17px 1px rgb(0 0 0 / 15%);
}

._popup_email .right_fixed_info_img {
    width: 52px;
    height: 52px;
    cursor: pointer;
    background: url("/assets/yuanlv/img/r_11.png");
    background-size: 52px 52px;
}

._popup_tel2 .right_fixed_info_img {
    width: 52px;
    height: 52px;
    cursor: pointer;
    background: url("/assets/yuanlv/img/r_21.png");
    background-size: 52px 52px;
}

._popup_wechat .right_fixed_info_img {
    width: 52px;
    height: 52px;
    cursor: pointer;
    background: url("/assets/yuanlv/img/r_31.png");
    background-size: 52px 52px;
}

._popup_tel .right_fixed_info_img {
    width: 52px;
    height: 52px;
    cursor: pointer;
    background: url("/assets/yuanlv/img/r_41.png");
    background-size: 52px 52px;
}

._popup_top .right_fixed_info_img {
    width: 52px;
    height: 52px;
    cursor: pointer;
    background: url("/assets/yuanlv/img/r_51.png");
    background-size: 52px 52px;
}

._popup_email .right_fixed_info_img:hover {
    background: url("/assets/yuanlv/img/r_1.png");
    background-size: 52px 52px;
}

._popup_tel2 .right_fixed_info_img:hover {
    background: url("/assets/yuanlv/img/r_2.png");
    background-size: 52px 52px;
}

._popup_wechat .right_fixed_info_img:hover {
    background: url("/assets/yuanlv/img/r_3.png");
    background-size: 52px 52px;
}

._popup_tel .right_fixed_info_img:hover {
    background: url("/assets/yuanlv/img/r_4.png");
    background-size: 52px 52px;
}

._popup_top .right_fixed_info_img:hover {
    background: url("/assets/yuanlv/img/r_5.png");
    background-size: 52px 52px;
}

.right_fixed_popup p {
    margin: 0;
}

._popup_wechat .right_fixed_popup {
    width: 150px;
    height: 150px;
}

._popup_wechat .right_fixed_popup img {
    width: 150px;
    height: 150px;
}

._popup_wechat .right_fixed_popup {
    display: none;
}

._popup_wechat:hover .right_fixed_popup {
    display: block;
}

._popup_tel .right_fixed_popup {
    width: 150px;
    /*height: 150px;*/
    font-size: 16px;
    display: none;
}

._popup_tel2 .right_fixed_popup {
    width: 150px;
    /*height: 150px;*/
    font-size: 16px;
    display: none;
}

.right_fixed_popup .p1 {
    padding-top: 20px;
    padding-bottom: 8px;
}

._popup_tel:hover .right_fixed_popup {
    display: block;
}

._popup_tel2:hover .right_fixed_popup {
    display: block;
}

._popup_email .right_fixed_popup {
    width: 156px;
    /*height: 150px;*/
    font-size: 16px;
    display: none;
}

.right_fixed_popup .p2 {
    word-break: break-all;
}

._popup_email:hover .right_fixed_popup {
    display: block;
}

.right_fixed_top {
    width: 52px;
    height: 52px;
    position: fixed;
    right: 24px;
    bottom: 16vh;
    z-index: 1000;
}

.right_fixed_top img {
    width: 52px;
    height: 52px;
    cursor: pointer;
}

@media (max-width: 800px) {
    .right_fixed {
        display: none;
    }

    .right_fixed_top {
        display: none;
    }
}

/* 右侧结束 */
/* 面包屑导航开始 */
.crumb {
    width: 100%;
    background: var(--primary-color);
}

.crumb_main {
    width: 100%;
    max-width: var(--max-width);
    height: 40px;
    color: #ffffff;
    margin: 0 auto 0;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    padding: 0 14px;
    font-size: 14px;
}

.crumb_main a .span1:hover {
    color: #6BADDE;
}

.crumb_main .span2 {
    margin-right: 3px;
}

.crumb_main .span3 {
    color: #6BADDE;
}

.crumb_main a:last-child .span2 {
    display: none;
}

/* 面包屑导航结束 */
/* 各详情页下载按钮样式。product样式需要去productdetail.css中修改 */
.product_btn_a_m {
    width: 217px;
    height: 46px;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.product_btn_a_m a {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    /* 图标和文字之间的间距 */
    text-decoration: none;
}

.product_btn_a_m span {
    font-weight: bold;
    font-size: 20px;
    color: #FFFFFF;
}

/* 或者使用 span 内的图标（推荐） */
.product_btn_a_m .download-icon {
    width: 16px;
    height: 16px;
    background-image: url(/assets/yuanlv/img/download.png);
    /* 替换为你的图标路径 */
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

/* .product_btn_a img {
    width: 6px;
    height: 10px;
    margin-left: 10px;
} */