* {
  padding: 0;
  margin: 0;
}
html, body {
  height: 100%;
  font-size: 16px;
}
em {
  font-style: normal;
}
button {
  border: 0;
  outline: none;
  cursor: pointer;
}
li {
  list-style: none;
}
a {
  cursor: pointer;
}
a, a:hover {
  text-decoration: none;
}
input {
  outline: none;
  -moz-appearance: none; /* 去除系统默认样式 */
  -webkit-appearance: none; /* 去除系统默认样式 */
  -webkit-tap-highlight-color: rgba(0, 0, 0 ,0); /* 点击高亮样式 */
}
input::-webkit-input-placeholder, textarea::-webkit-input-placeholder {
  color: #DBDBDB;
  font-size: 16px;
}
input:-moz-placeholder, textarea:-moz-placeholder {
  color: #DBDBDB;
  font-size: 16px;
}
input::-moz-placeholder, textarea::-moz-placeholder {
  color: #DBDBDB;
  font-size: 16px;
}
input:-ms-input-placeholder, textarea:-ms-input-placeholder {
  color: #DBDBDB;
  font-size: 16px;
}
.fr {
	float: right;
}
.fl {
	float: left;
}
.clearfix::after {
  content: "";
  display: block;
  height: 0;
  clear: both;
  visibility: hidden;
}
.m-bot20 {
  margin-bottom: 20px;
}

button[disabled], html input[disabled] {
  cursor: not-allowed;
}

img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* iconfont-加入通用 CSS 代码（svg格式的） */
.icon {
  width: 1em;
  height: 1em;
  vertical-align: -0.15em;
  fill: currentColor;
  overflow: hidden;
}

/* 超出隐藏 */
.over_one {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

/* 弹性盒子 */
.flex {
  display :flex;
  display:-webkit-flex;
  align-items:center;
  -webkit-align-items:center;
  justify-content:center ;
}