* {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  -webkit-overflow-scrolling: touch;
  word-break: break-all;
}

body,
h1,
h2,
h3,
h4,
h5,
h6,
hr,
p,
blockquote,
dl,
dt,
dd,
ul,
ol,
li,
pre,
form,
fieldset,
legend,
button,
input,
textarea,
th,
td,
div {
  margin: 0;
  padding: 0;
}

ul,
ol,
li {
  list-style: none;
}

a {
  text-decoration: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: 100%;
  font-weight: normal;
}

address,
cite,
dfn,
em,
var,
i {
  font-style: normal;
}

.common-font {
  font-family: "YouShe", sans-serif, serif;
}

.d-flex {
  display: flex;
}

.flex-row {
  flex-direction: row;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-around {
  justify-content: space-around;
}

.justify-start {
  justify-content: flex-start;
}

.justify-end {
  justify-content: flex-end;
}

.align-center {
  align-items: center;
}

.align-start {
  align-items: flex-start;
}

.align-end {
  align-items: end;
}

.align-self-start {
  align-self: flex-start;
}

.align-self-center {
  align-self: center;
}

.align-self-end {
  align-self: flex-end;
}

.flex-1 {
  flex: 1;
}

.text-center {
  text-align: center;
}

.position-relative {
  position: relative;
}

/*部分通用样式*/
.footer {
  width: 100vw;
  color: #ffffff;
  height: 148px;
  background-color: #171717;
}

.footer .main {
  height: 148px;
}

.footer .main .footer-content,
.footer .main .footer-beian {
  height: 40px;
}

body {
  width: 100vw;
  overflow-x: hidden;
}

.main-content {
  width: 100%;
}

p {
  margin: 10px 0;
}