body {
  display: flex;
  font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
  font: normal 100% Helvetica, Arial, sans-serif;
  margin: 0;
  padding: 0;
  border: 0;
  height: auto;
  background: #ffffff;
}

/* 页面包裹 */
.wrapper {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* 导航栏 */
.nav-bar {
  position: absolute;
  z-index: 9;
  display: flex;
  top: 25px;
  left: 80%;
  width: 40%;
  min-width: 400px;
  /*background: rgba(200,200,200, 0.2);*/
}

/* 导航栏 客服热线 */
.phone-num {
  display: flex;
  color: white;
  font-size: 13px;
  margin-top: 15px;
  margin-left: 20px;
}

/* 页尾 */
.footer {
  width: 100%;
  padding: 61px 0 31px 0;
  background: #35234b;
  font-size: 12px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #ffffff;
  line-height: 17px;
  text-align: center;
}