* {
  margin: 0;
  padding: 0;
}

html {
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, PingFang SC, Hiragino Sans GB, Microsoft YaHei, Helvetica Neue, Helvetica, Arial, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol;
  color: #606266;
  background-color: #fff;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: #000;
  font-weight: inherit;
}

ul,
li {
  list-style: none;
}

a {
  color: #1890ff;
  text-decoration: none;
}

strong {
  color: #000;
}

span {
  color: #27bcad;
  margin: 0 4px;
}

p {
  line-height: 2;
}

h1 {
  text-align: center;
}

h4 {
  font-weight: 800;
  font-size: 20px;
  padding: 0 20px;
  margin-top: 0;
  margin-bottom: 20px;
}

.panel {
  max-width: 800px;
  margin: 0 auto;
  padding: 8px;
  background-color: #fff;
}

.ql {
  padding: 0 12px 15px;
  margin-bottom: 20px;
  text-indent: 2em;
}

.ql2 {
  text-indent: 3em;
}

.right {
  text-align: right;
}