*{
    margin: 0;
    padding: 0;
}
/* 去除 a 标签的所有默认样式 */
a {
    text-decoration: none; /* 去掉下划线 */
    color: inherit;        /* 继承父元素的颜色 */
    cursor: pointer;       /* 保持指针为手型，表示可点击 */
    font-weight: inherit;  /* 继承字体粗细 */
    outline: none;         /* 去除点击时的轮廓线 */
}
/* 针对 Internet Explorer 和旧版 Edge 隐藏滚动条 */
.scrollable {
    overflow: auto;
    -ms-overflow-style: none;  /* 隐藏滚动条 */
}
/* 针对 Firefox 隐藏滚动条 */
.scrollable {
    scrollbar-width: none; /* 隐藏滚动条 */
}
/* 隐藏滚动条，启用滚动 */
.scrollable {
    overflow: scroll; /* 或者 overflow: auto */
}
/* 针对 WebKit 浏览器隐藏滚动条 */
.scrollable::-webkit-scrollbar {
    display: none;
}
/* 可选：去除 hover 和 active 等状态样式 */
a:hover, a:focus, a:active {
    text-decoration: none;
    color: inherit;
    outline: none;
}
html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    line-height: 1.6;
    font-weight: 400;
    font-style: italic;
    width: 100%;
    overflow-x: hidden;
}
#container{
    min-height: calc(100vh - 35.65rem);
}
/* 占位标记，防止其他元素太靠边 */
.placeholder{
    min-width: 2rem;
}
.header {
    position: fixed; /* 固定在顶部 */
    top: 0;
    left: 0;
    width: 100%;
    background-color: transparent;
    display: flex;
    align-items: center; /* 垂直居中 */
    justify-content: space-between; /* 元素分布在两侧 */
    box-shadow: 0 0.125rem 0.3125rem #5087AE; /* 可选阴影效果 */
    z-index: 1000;
    height: 10rem;
}
.logo img {
    height: 6rem; /* 控制 logo 大小 */
}
.menu-toggle {
    display: none;
}
.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem; /* 导航项之间留白 */
}
.nav-list .nav-item {
    position: relative; /* 添加这行 */
}
.nav-list .nav-item a {
    text-decoration: none;
    font-weight: 400;
    font-size: 1.125rem;
    color: #FFFFFF;
    transition: color 0.3s ease;
}
.nav-list .nav-item::after {
    content: '';
    position: absolute;
    width: 0;
    height: 0.3125rem;
    bottom: -0.625rem;
    left: 0;
    background-color: #ed9027; /* 白色下划线，与深色背景对冲 */
    transition: width 0.3s ease;
}
/* 鼠标悬停或当前页面激活时显示下划线 */
.nav-list .nav-item:hover::after,
.nav-list .nav-item.active::after {
    width: 100%;
}
#footer{
    background: #171717;
}
.footer-floor{
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    width: 100%;
    color: #FFFFFF;
    padding-top: 6.88rem;
    padding-bottom: 6.25rem
}
.ff-link{
    min-height: 11.25rem;
    img {
        margin-top: 1.81rem;
        width: 3.75rem;
        height: 3.75rem;
        margin-right: 1.125rem;
    }
}
.ff-search{
    form {
        margin-top: 1.87rem;
        display: flex;
        input{
            flex: 1;
            padding: 0.5rem;
            border: 0.0625rem solid #444;
            border-radius: 0.25rem 0 0 0.25rem;
            height: 2.19rem;
        }
        button{
            padding: 0.5rem 0.9375rem;
            background-color: #007BFF;
            color: #fff;
            border: none;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            height: 3.19rem;
        }
    }
}
.ff-nav{
    min-height: 11.25rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap; /* 允许子元素换行 */
}
.ff-content{
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap; /* 允许子元素换行 */
}
.ff-content .ff-content-item{
    flex: 1 1 calc(25% - 20px); /* 每个项目的初始宽度和考虑间距后的计算 */
}
.copy-right{
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    background: #070707;
    width: 100%;
    height: 5.9375rem;
    line-height: 5.9375rem;
    overflow: hidden;
}
.cr-telphone{
    font-size: 1.875rem;
    color: #FFFFFF;
}
.cr-telphone:hover{
    color: #FFFFFF;
}
.cr-copy_right{
    font-size: 1.125rem;
    color: #898989;
}
.go-top {
    position: fixed;
    bottom: 5rem;
    right: 2rem;
    display: none; /* 默认隐藏 */
    z-index: 1000;
    color: white;
}
.go-top a {
    display: block;
    width: 3rem;
    height: 3rem;
    background-color: #007BFF;
    color: white;
    text-align: center;
    line-height: 3rem;
    border-radius: 50%;
    box-shadow: 0 0.3125rem 0.625rem rgba(0, 0, 0, 0.2);
    transition: opacity 0.3s ease;
}
.go-top a:hover {
    background-color: #0056b3;
}
.container-floor{
    position: relative;
    top: 0;
    left: 0;
    margin-top: 0.625rem;
    overflow: hidden;
}
.container-floor-bg{
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
    width: 100%;
    height: 100%;
}
.toggleAnimation{
    display: none;
}

.cfp{
    display: block;
    max-width: 120rem;
    padding: 8.625rem 0 ;
    position: relative;
    overflow: hidden;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
}
.cfp-f{
    position: relative;
    width: 100%;
    top: 0;
    left: 0;
}

.cfp-f-zykh{
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
}
.cfp-f-zykh-title{
    font-size: 1.875rem;
    margin-bottom: 3.125rem;
    font-weight: bold;
    color: #131313;
}
.cfp-f-zykh-article{}
.cfp-f-zykh-article-item{
    width: calc(17.5% - 0.2rem);
    height: 7.3125rem;
    display: inline-block;
    position: relative;
    overflow: hidden;
    margin: 1%;
}
.cfp-f-zykh-article-item-img{
    display: flex;
    justify-content: center;
    align-items: center;
    width: calc(100% - 0.2rem);
    height: calc(100% - 0.2rem);
    border: 0.0625rem solid #c7c7c7;
}
.cfp-f-zykh-article-item-img img{
    max-width: 95%;
    max-height: 90%;
}


/** 手机端竖屏样式 **/
@media screen and (max-width: 876px) {
    .mmph{
        display: none;
    }
    .header {
        height: 3.125rem;
    }
    .logo img {
        height: 2rem; /* 控制 logo 大小 */
        margin-left: 2rem;
    }
    .menu-toggle {
        display: flex;
        flex-direction: column;
        cursor: pointer;
        z-index: 1001;
        position: absolute;
        right: 10px;
        top: 10px;
    }
    .menu-toggle span {
        width: 1.5625rem;
        height: 0.1875rem;
        background-color: #ffffff;
        margin: 0.25rem 0;
    }
    .nav-list.active {
        display: flex;
    }
    .nav-list {
        display: none;
        flex-direction: column;
        width: 100%;
        background-color: rgba(18, 63, 168 , 0.8);
        position: absolute;
        top: 3.125rem;
        left: 0;
        z-index: 1000;
        box-shadow: 0 0.125rem 0.3125rem #5087AE; /* 可选阴影效果 */
    }
    .nav-list .nav-item a{
        display: block;
        padding-left: 2rem;
    }
    .nav-list .nav-item:first-child{
        margin-top: 1.25rem;
    }
    .nav-list .nav-item:last-child{
        margin-bottom: 1.25rem;
    }
    .cfp{
        padding: 2.625rem 0 ;
        width: 90%;
    }
    .cfp-f-zykh-article-item{
        width: calc(31.33% - 0.2rem);
        height: 3rem;
    }
    .footer-floor{
        flex-direction: column;
        justify-content: space-between;
        align-items: center;
        flex-wrap: nowrap;
    }
    .copy-right{
        align-items: center;
        flex-direction: column;
        flex-wrap: nowrap;
        height: auto;
        line-height: normal;
        gap: 1rem;
        .cr-telphone{
            font-size: 1rem;
            max-width: 80%;
            margin-left: 10%;
        }
        .cr-copy_right{
            font-size: 0.875rem;
            max-width: 90%;
            margin-left: 5%;
        }
    }
    .ff-nav{
        flex-direction: column;
        margin: 2rem 0;
    }
    .ff-content{
        flex-direction: column;
    }
}
/** 平板端竖屏样式 **/
@media screen and (min-width: 876px) and (max-width: 1200px) {
    .header {
        height: 7.125rem;
    }
    .logo img {
        height: 5rem; /* 控制 logo 大小 */
        margin-left: 2rem;
    }
    .cfp-f-zykh-article-item{
        width: calc(23% - 0.3rem);
        height: 7rem;
    }
}
/** 桌面端竖屏样式 **/
@media screen and (min-width: 1200px) and (max-width: 1920px) {
    html {
        font-size: 16px;
    }
}
/** 超宽屏幕样式 **/
@media screen and (min-width: 1920px) {
    html {
        font-size: 16px;
    }
}