.m-b-10{padding-bottom: 10px;}
.main-title{
  position: relative;width: 380px;
  font-family: Arial;
}
.main-title h1 {
  font-size: 24px;
  height: auto;
  line-height: 24px;
  padding: 10px 0 6px 0;
  font-family: 'Microsoft Yahei', 'PingFang SC', 'Avenir', 'Segoe UI', 'Hiragino Sans GB', STHeiti, 'Microsoft Sans Serif', 'WenQuanYi Micro Hei', sans-serif;
  text-align: left;
  color: #456db1;
  float: left;
  width: 360px;
}
.logo-search-power {
  padding: 24px 0 2px 6px;
  float: left;
}
.exponent {
  padding-right: 10px;
  text-decoration: none;
  position: relative;
  color: green;
}

.exponent u, .up-icon u {
  width: 10px;
  height: 5px;
  line-height: 0;
  display: inline-block;
  position: absolute;
  top: 5px;
  right: 0;
  overflow: hidden;
}

.exponent i {
  border-top: 5px solid green;
  border-right: 5px solid transparent;
  border-bottom: 5px solid red;
  border-left: 5px solid transparent;
  height: 0;
  line-height: 0;
  width: 0;
  display: inline-block;
  margin-top: 0;
}

.up-icon i {
  margin-top: -5px;
}

.up-icon {
  color: red;
}