.icon{
    margin: 7px;
}
#navbar{
    display: flex;
    align-items: center;
    position: fixed;
    box-shadow: 0px 8px 10px #a8a8a875;
    padding: 2px 20px;
    top: 0;
    background-color: rgba(75,102,155,0.74);
    width: calc(100% - 40px);
    height: 48px;
    z-index: 10;
}
#nav-title{
    font-family: Helvetica Neue,Helvetica,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans CJK SC,WenQuanYi Micro Hei,Arial,sans-serif;
    font-weight: bold;
    padding-left: 10px;
    padding-right: 20px;
    color: white;
    font-size: 22px;
    line-height: 50px;
}
.nav-lang{
    font-family: Helvetica Neue,Helvetica,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans CJK SC,WenQuanYi Micro Hei,Arial,sans-serif;
    font-weight: bold;
    color: white;
    font-size: 18px;
    line-height: 48px;
    text-decoration: none;
    flex: 1;
    text-align: right;
}

#main {
    position: absolute;
    top: 62px;
    width: 100%;
    height: auto;
    margin: 0 0 0 0;
    padding: 0;
}
#head{
    display: flex;
    flex-wrap: nowrap;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}
#head-left{
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: space-evenly;
    margin-right: 30px;
}
.title{
    display: block;
    text-align: center;
    font-family:Georgia,Arial,sans-serif;
    font-weight:bold;
    font-size:3.6em;
    color: rgba(0, 0, 0, 0.57);
    text-shadow:1px 3px 6px #fff,0 0 0 #000,1px 3px 6px #fff;
    margin: 5px;
}
.hint{
    display: block;
    text-align: center;
    font-family: Georgia,Arial,sans-serif;
    font-weight: normal;
    font-size: 20px;
    color: rgba(0, 0, 0, 0.57);
    text-shadow: 1px 3px 6px #fff,0 0 0 #000,1px 3px 6px #fff;
    margin: 5px;
}
#head > img{
    height: 8em;
}

#calc{
    width: 100%;
    display: flex;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}
#input-box{
    box-shadow: 0.5rem 0.875rem 2.375rem rgb(39 44 49 / 6%), 0.0625rem 0.1875rem 0.5rem rgb(39 44 49 / 3%);
    background-color: #fff;
    border: none;
    border-radius: .5rem;
    width: 60%;
    padding: 1.5625rem 2rem;
}
label{
    margin-right: 1rem;
}
.input-inline{
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
}
.pos-input{
	width: 145px;
	height: 50px;
	font-size: 15px;
	font-family: Georgia,Arial,sans-serif;
	background-color: rgba(255,255,255,0.71);
	border-color: rgba(154,155,145,0.74);
	border-radius: 10px;
	border: none;
	padding-left: 10px;
    flex: 1;
}

.yi_ci_nav_button_article{
    color: white;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
    box-shadow: 0 1px 1px 0 rgba(92, 92, 92, 0.2), 0 6px 20px 0 rgba(112, 112, 112, 0.8);

}
.yi_ci_nav_button_solution{
    color: white;
    box-shadow: 0 1px 1px 0 rgba(92, 92, 92, 0.2), 0 6px 20px 0 rgba(112, 112, 112, 0.8);


}
.yi_ci_nav_button_else{
    color: white;
    box-shadow: 0 1px 1px 0 rgba(92, 92, 92, 0.2), 0 6px 20px 0 rgba(112, 112, 112, 0.8);

}
.yi_ci_nav_ul_center{
    display: flex;
    flex-direction: row;
    justify-content: center;
}
.yi_ci_nav_button{
    display: block;
    float: left;
    position: relative;
    height: 50px;
    width: 150px;
    margin: 20px 100px 18px 0;

    line-height: 50px;
    text-align: center;
    border-radius: 5px;
}

.ans{
    letter-spacing: 1px;
    text-align: center;
    color: rgba(0, 0, 0, 0.822);
    width: 100%;
    font-size: 30px;
    font-family: Verdana, ui-rounded;
    top: -500px;
}

.yi_ci_form_sub{
    background-color: rgba(1,1,1,0%);
    font-family: Georgia,Arial,sans-serif;
    font-size: 20px;
    font-weight: bold;
    height: 50px;
    width: 120px;
    color: #808080;
}
.yi_ci_form_sub:hover{
    color: black;
}

.footer{
    position: fixed;
    bottom: 0;
    background-color: rgba(75,102,155,0.74);
    width: 100%;
    height: 48px;
    z-index: 10;
}
.yi_ci_footer_join{
    font-family: Verdana, ui-rounded;
    text-decoration: none;
    display: block;
    font-size: 35px;
    font-weight: bolder;
    text-align: center;

}
.yi_ci_footer_join:visited{
    color: white;
}
.yi_ci_footer_join:hover{
    color: white;
    text-shadow:1px 3px 6px #fff,0 0 0 #ffeb61,1px 3px 6px #fff;
}
.yi_ci_lan:visited{
    color: white;
}