*{
font-family:Microsoft JhengHei;

}
html,body{
    margin:0px;
    padding:0px;
    height:100vh;
    background-color:#e0e0e0;
    scroll-behavior: smooth;
    display:block;
    min-width:375px;
}

body,div{
    scroll-behavior: smooth;
}

.main_width{
    max-width:var(--main_width);
    margin:auto auto;
}

.page-box{
    margin-bottom:15px;
}

.page-content{
    padding-top:60px;
    min-height:300px;
    min-width:320px;
    max-width:var(--main_width);
    margin:auto auto;
    background-color:white;
    box-shadow:0px 2px 4px 0px rgb(4 33 72 / 8%);
    border-radius:5px;
}

.page-title{
    margin-top:-10px;
    padding-top:8px;
    padding-left:10px;
    padding-bottom:8px;
    /*background-color:#ededed;*/
    color:white;
    font-weight:bold;
    /*font-size:14px;*/
    background-image: url(/images/blue_fire.jpg);
    background-size:cover;
    background-position:bottom;
    background-repeat: no-repeat;
    box-shadow:0px 2px 4px 0px rgb(4 33 72 / 8%);
    opacity:0.8;
}

.col-12{
    box-sizing:border-box;
    float:left;
    width:100%;
    padding:5px;
}
.col-11{
    box-sizing:border-box;
    float:left;
    width:91.6666%;
    padding:5px;
}
.col-10{
    box-sizing:border-box;
    float:left;
    width:83.3333%;
    padding:5px;
}
.col-9{
    box-sizing:border-box;
    float:left;
    width:75%;
    padding:5px;
}
.col-8{
    box-sizing:border-box;
    float:left;
    width:66.6666%;
    padding:5px;
}
.col-7{
    box-sizing:border-box;
    float:left;
    width:58.3333%;
    padding:5px;
}
.col-6{
    box-sizing:border-box;
    float:left;
    width:50%;
    padding:5px;
}
.col-5{
    box-sizing:border-box;
    float:left;
    width:41.6666%;
    padding:5px;
}
.col-4{
    box-sizing:border-box;
    float:left;
    width:33.3333%;
    padding:5px;
}
.col-3{
    box-sizing:border-box;
    float:left;
    width:25%;
    padding:5px;
}
.col-2{
    box-sizing:border-box;
    float:left;
    width:16.6666%;
    padding:5px;
}
.col-1{
    box-sizing:border-box;
    float:left;
    width:8.33333%;
    padding:5px;
}

.clear{
    clear:both;
}

.red_border{
    border-color:red;
}

.error_msg{
    margin-left:10px;
    font-size:12px;
    color:red;
}

._ph_label{
    position:absolute;
    height:0px;
}
._ph_label ._ph_title{
    position:relative;
    top:-12px;
    left:10px;
    background-color:white;
    padding-left:5px;
    padding-right:5px;
    color:#999;
    width:100px;
}
._ph_label .error_msg{
    padding-left:5px;
    color:red;
    display:none;
}

@media only screen and (min-width:580px)
{
    :root {
      --main_width: 100%;
    }
}

@media only screen and (min-width:1000px)
{
    :root {
      --main_width: 1000px;
    }
}

@media only screen and (max-width:580px)
{
    .col-6,.col-7,.col-8,.col-9,.col-10,.col-11{
        width:100%;
    }
    .col-1,.col-2,.col-3,.col-4{
        width:50%;
    }
}