body, h1, h2, h3, h4, h5, h6, hr, p, blockquote, dl, dt, dd, ul, ol, li, pre, fieldset, button, input, textarea, th, td {
  margin: 0;padding: 0;
}
body, button, input, select, textarea {
  font: 14px Microsoft Yahei,Helvetica Neue,Helvetica,PingFang SC,Tahoma,Arial,sans-serif
}
h1 { font-size: 18px; }
h2 { font-size: 16px; }
h3 { font-size: 14px; }
h4, h5, h6 { font-size: 100%; }
address, cite, dfn, em, var { font-style: normal; }
code, kbd, pre, samp, tt { font-family: "Courier New", Courier, monospace; }
small { font-size: 14px; }
ul, ol { list-style: none; }
a { text-decoration: none; color: #000}
a:hover { text-decoration: underline; }
abbr[title], acronym[title] {
  border-bottom: 1px dotted;
  cursor: help;
}
q:before, q:after { content: ''; }
legend { color: #000; }
fieldset, img { border: none; outline: none;}
button, input, select, textarea {
  font-size: 100%;
  outline: none;
}
textarea{
  overflow-y: auto;
}
table {
  border-collapse: collapse;
  border-spacing: 0;
}
hr{
  border: none;
  height: 1px;
}