/* 初始样式 */
body {
  margin: 0;
}

ul {
  margin: 0;
  padding: 0;
}

li {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
}

.clear-float {
  clear: both;
}

.main-color-text {
  color: #ff793d;
}

html {
  font-size: 5.33333333vw;
}

@media screen and (min-width:750px) {
  html {
    font-size: 40px;
  }
}

.c-flex {
  display: flex;
}
.c-flex-auto {
  flex: auto;
}
.c-flex-auto.hide {
  overflow: hidden;
}
.c-flex-none {
  flex: none;
}
.c-flex-column {
  flex-direction: column;
}
.c-flex-j-center {
  justify-content: center;
}
.c-flex-j-between {
  justify-content: space-between;
}
.c-flex-a-center {
  align-items: center;
}
.c-mb-16{
  margin-bottom: 16px;
}
.c-mb-12{
  margin-bottom: 12px;
}
.c-mb-4{
  margin-bottom: 4px;
}
.c-mr-20{
  margin-right: 20px;
}
.c-mr-12{
  margin-right: 12px;
}
.c-ml-12{
  margin-left: 12px;
}