*,
*:after,
*:before {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  opacity: 1;
}

html,
body {
  margin: 0;
  padding: 0;
  color: #fff;
  position: relative;
  width: 100%;

  height: 100%;

  background-image: url(../images/bj.jpg);

  background-attachment: fixed;

  background-repeat: no-repeat;

  background-size: cover;

  float: left;
}

img {
  width: 100%;
}

a {
  text-decoration: none;
  cursor: pointer;
}

ul {
  padding: 0;
  margin: 0;
}

.row {
  display: block;
  margin-bottom: 10px;
}

.container {
  width: 90%;
  margin: 0 auto;
}

.pc_show {
  display: block;
}

.pc_show span {
  color: #e5933f;
}

.mobile_show {
  display: none;
}

.overlay {
  height: 0;
  position: fixed;
  z-index: 9999;
  top: 78vh;
  left: 0;
  bottom: 0;
  right: 0;
  background-color: rgba(0, 0, 0, 0.8);
  overflow-y: hidden;
  transition: .5s;
}

.overlay-content {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
}


/*滚动条样式*/

*::-webkit-scrollbar {
  /*滚动条整体样式*/
  width: 2px;
  /*高宽分别对应横竖滚动条的尺寸*/
  height: 2px;
}

*::-webkit-scrollbar-thumb {
  /*滚动条里面小方块*/
  border-radius: 5px;
  -webkit-box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
  background: rgba(0, 0, 0, 0.2);
}

*::-webkit-scrollbar-track {
  /*滚动条里面轨道*/
  -webkit-box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
  border-radius: 0;
  background: rgba(0, 0, 0, 0.1);
}

@media (max-width: 738px) {
  .pc_show {
    display: none;
  }

  .mobile_show {
    display: block;
  }

  .overlay {
    height: 0;
    position: fixed;
    z-index: 9999;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.8);
    overflow-y: hidden;
    transition: .5s;
  }

  .overlay-content {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
  }
}

.icon {
  width: 20px;
  height: 20px;
  background-position: center;
  background-size: contain;
  background-repeat: no-repeat;
  display: inline-block;
  vertical-align: middle;
}

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

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

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

.img-content {
  cursor: pointer;
}

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

.text-justify:after {
  content: '';
  width: 100%;
  display: inline-block;
  overflow: hidden;
  height: 0;
}

.c_orange {
  color: #f2ae35;
}

.c_pink {
  color: #e40c78;
}

.c_ddd {
  color: #ddd;
}

.c_blue {
  color: #2382c5;
}

.c_yellow {
  color: #d99e54;
}

.c_red {
  color: #e0615b;
}

.download_content {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  margin: 30px 0 20px;
}

.download_content .btn {
  width: 40%;
  max-width: 170px;
  height: 45px;
  line-height: 45px;
  text-align: center;
  margin: 20px 80px;
  border-radius: 35px;
  border: solid 2px #d7b679;
  color: #fff;
  font-size: .9375em;
  cursor: pointer;
  position: relative;
}