html,body{
  width: 100%;
  min-height: 100%;
  margin: 0;
  padding: 0;
  font-size: 14px;
  font-family: 'Microsoft YaHei';
  zoom: 1;
  letter-spacing: 1px;
}
:root{
  --main-color: #d6311b;
  --text-color: #666;
  --gray-color: #999;
  --white-color: #fff;
}
p{
  margin: 0;
  padding: 0;
}
a{
  outline: none;
  text-decoration: none;
  color: inherit;
}
a:hover {
  text-decoration: none;
}
button::-moz-focus-inner {
  border-color: transparent;
}
img{
  border: none;
  max-width: 100%;
}
ul,li{
  list-style: none;
  padding: 0;
  margin: 0;
}
h1,h2,h3{
  margin: 0;
  padding: 0;
}
/* flex布局 */
.between{
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.center{
  display: flex;
  align-items: center;
  justify-content: center;
}
.line-center{
  display: flex;
  align-items: center;
}
.ellip{
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ellip-2 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
  -o-text-overflow: hidden;
  /* 解决英文和数字不换行 */
  word-wrap: break-word;
}
.ellip-3 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
  text-overflow: ellipsis;
  -o-text-overflow: hidden;
  /* 解决英文和数字不换行 */
  word-wrap: break-word;
}
.empty {
  padding: .5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.empty img {
  width: 100%;
  max-width: 100%;
}
.none{
  display: none;
}
.flex{
  display: flex;
}
.show{
  display: block;
}