/* 基础排版与重置 */
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Noto Sans SC",sans-serif;
  color:var(--txt); background:var(--bg); font-size:13px; line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
em{font-style:normal}
button{font-family:inherit}
table{border-collapse:collapse;width:100%}
h1,h2,h3,h4{margin:0;font-weight:600}
a{color:inherit;text-decoration:none}
[hidden]{display:none!important}
.hidden{display:none!important}