/*--------------------------------------------------------------
# index.html Css
# @author: DouJiao
# @Date: 2022/5/28
--------------------------------------------------------------*/

/*--------------------------------------------------------------
# 清楚默认样式
--------------------------------------------------------------*/
*{
    padding: 0;/* 内边距 */
    margin: 0;/* 外边距 */
}
html,body,h1,h2,h3,h4,h5,h6,div,dl,dt,dd,ul,ol,li,p,blockquote,pre,hr,figure,table,caption,th,td,form,fieldset,legend,input,button,textarea,menu
{
    margin:0;padding:0;
}
header,footer,section,article,aside,nav,hgroup,address,figure,figcaption,menu,details{display:block;}
table{border-collapse:collapse;border-spacing:0;}
caption,th{text-align:left;font-weight:normal;}
html,body,fieldset,img,iframe,abbr{border:0;}
i,cite,em,var,address,dfn{font-style:normal;}
[hidefocus],summary{outline:0;}
li{list-style:none;}
h1,h2,h3,h4,h5,h6,small{font-size:100%;}
sup,sub{font-size:83%;}
pre,code,kbd,samp{font-family:inherit;}
q:before,q:after{content:none;}
textarea{overflow:auto;resize:none;}
label,summary{cursor:default;}
a,button{cursor:pointer;}
h1,h2,h3,h4,h5,h6,em,strong,b{font-weight:bold;}
del,ins,u,s,a,a:hover{text-decoration:none;}
body,textarea,input,button,select,keygen,legend{font:12px/1.14 arial,\5b8b\4f53;color:#333;outline:0;}
body{background:#fff;}
a,a:hover{color:#333;}
/*--------------------------------------------------------------
# body标签样式
--------------------------------------------------------------*/
body{
    /* 加载背景图 */
    background-image: url(../../../src/images/index/img-bg.jpeg);
    /* 背景图垂直、水平均居中 */
    background-position: center center;
    /* 背景图不平铺 */
    background-repeat: no-repeat;
    /* 当内容高度大于图片高度时，背景图像的位置相对于viewport固定 */
    background-attachment: fixed;
    /* 让背景图基于容器大小伸缩 */
    background-size:  cover;
}
body::-webkit-scrollbar {
    display: none;
}
html {
    overflow: -moz-hidden-unscrollable;
    height: 100%;
}

body::-webkit-scrollbar {
    display: none;
}

body {
    -ms-overflow-style: none;
    height: 100%;
    width: calc(100vw + 18px);
    overflow: auto;
}
/*--------------------------------------------------------------
# 导航栏样式
--------------------------------------------------------------*/
nav{
    width: 100%;
    line-height: 4em; /* 文本行基线间的垂直距离 */
    background-color: /* bisque */beige;
    border-radius: 0.1rem; /*圆角*/
    /*盒子阴影*/
    box-shadow: 0.1rem 0.1rem 0.1rem 0.1rem rgba(0,0,0,0.1);
}
.nav_z-index{
    position: fixed;/* 固定定位 */
    top: 0;
    left: 0;
    z-index: 1;/* 层叠显示 */
}
.nav-Box{
    margin: 0 auto;
    padding: 0 1.8em;
}
.nav-box:after{
    content: "";
    clear: both;/* 清除浮动 */
    display: block; /* 显示布局 */
}
.nav-header h2{
    height: 1em;
    text-align: center;
    float: left;
}
.nav-header h2 img{
    margin-top: -0.6em;
    width:140%;
    inline-size: 5em
}
.nav-header a{
    float: right;
    font-size: 3em;
    /*line-height: 2em;*/
}
.nav-list{
    background-color: #222 ;
    padding-top: 4.6em;
    margin:  0 -2em;
    display: none;
}
.nav-list ul li {
    border-top: 0.1em solid #999;
}
.nav-list ul li a{
    color: salmon;
    padding: 0.5em 2em;
    font-size: 20px;
    text-decoration: none;
}

/*--------------------------------------------------------------
# 框架
--------------------------------------------------------------*/
.area{
    position: absolute;
    height: 100%;
    width: 100%;
}
.area .area-box{
    overflow:hidden; /*让DIV子元素超出部分隐藏*/
    /*overflow-y:auto;!*DIV子元素超出部分显示滚动条*!*/
    position: relative;
    height: 90%;
    border: 0.6em solid skyblue;
    margin: 6em 1em 0.5em 1em;
    border-radius: 1em; /*圆角*/
    box-shadow: 0.5em 0.5em 0.5em 0.5em rgba(0,0,0,0.1);/*盒子阴影*/
}
.area-text{
    text-align: center;
    background-color: #f0ad4e;
    border-radius: 0.5em;
    box-shadow: 0.1em 0.1em 0.1em 0.1em rgba(0,0,0,0.1);
}
.area-tabs{
    height: 96%;
}
.area-tabs h3{
    float: left;
    width: 100%;
    text-align: center;
    margin-top: -0.5em;
}
.area ul li{
    width: 25%;
    border-radius: 0.5em;
    padding: 0.8em 0.8em;
}
.area ul li a{
    background-color: #f7ecb5;
    box-shadow: 0.1em 0.1em 0.1em 0.1em salmon;
    border-radius: 0.5em;
    text-align: center;
    color: salmon;
}
.tab-content{
    overflow:hidden; /*让DIV子元素超出部分隐藏*/
    overflow-y:auto;/*DIV子元素超出部分显示滚动条*/
    margin: 0.5em;
    height: 75%;
    color: black;
    box-shadow: 0.1em 0.1em 0.1em 0.1em seagreen;
    border: 0.1em solid skyblue;

}

footer{
    height: 2em;
    width: 100%;
    text-align: center;
}
.about{
    background-color: white;
    height: 80%;
    border: 0.3em solid #e4b9b9;
    margin: 1em 1em 1em 1em;
    border-radius: 1em; /*圆角*/
    box-shadow: 0.5em 0.5em 0.5em 0.5em rgba(0,0,0,0.1);/*盒子阴影*/;
    text-align: center;
}
.titleArea{
    height: 80%;
    border: 0.3em solid #e4b9b9;
    margin: 1em 1em 1em 1em;
    border-radius: 1em; /*圆角*/
    box-shadow: 0.5em 0.5em 0.5em 0.5em rgba(0,0,0,0.1);/*盒子阴影*/;
    background-color: cornsilk;
    text-align: center;
}
.title-text span {
    display: block;      /*设置为块级元素会独占一行形成上下居中的效果*/
    position: relative;  /*定位横线（当横线的父元素）*/
    color: black;      /*居中文字的颜色*/
    text-align: center;
}
.table thead tr th{
    text-align: center;
}
.table  {
    background-color: antiquewhite;
}
.title-text span:before, .title-text span:after {
    content: '';
    position: absolute;   /*定位背景横线的位置*/
    top: 50%;
    background: #8c8c8c;   /*背景横线颜色*/
    width: 35%;            /*单侧横线的长度*/
    height: 1px;
}
.title-text span:before {
    left: 2%;              /*调整背景横线的左右距离*/
 }
.title-text span:after {
    right: 2%;
}