body, input, td{font: 12px Verdana}
.btn{font: 12px Tahoma;        text-decoration:none;}
a:link{color:#000000;text-decoration:none}
a:visited{color:#000000;text-decoration:none}
a:active{color:blue;text-decoration:none}
a:hover{color:red;text-decoration:underline}
#index{width:500px;height:10px;overflow: hidden;margin:0px;padding:0px;}
h1{font-size:20pt;letter-spacing:4px;font-family: 'Source Han Sans', 'Noto Sans CJK SC', 'Microsoft YaHei', sans-serif;}
h2{font-size:12pt;margin:0px;}
input::placeholder, textarea::placeholder {
  color: #F0F0F0;
}
.indexpage {
  display: flex;
  align-items: center; /* 垂直居中 */
  justify-content: center; /* 水平居中，如需 */
  height: 80%
}