* {
  margin: 0;
  padding: 0;
}

body {
  background: rgba(255, 252, 247, 0.9);
}

.header {
  display: flex;
  height: 74px;
  background-image: linear-gradient(to right, rgba(254, 204, 69, 1) , rgba(255, 170, 24, 1));
  box-shadow: 0px 4px 20px 0px rgba(227, 154, 17, 0.1);
  border-radius: 0px 0px 0px 0px;
  opacity: 1;
}

.text{
  display: flex;
  align-items: center
}

.header div li {
  color: white;
  font-size: 18px;
  list-style: none;
  margin-left: 81px;
  font-family: Microsoft YaHei;
}

.header div li::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  border: 3px solid white;
  border-radius: 50%;
  margin-right: 7px;
}

.space{
  width: 450px;
}
.header div img {
  padding-top: 14px;
  padding-left: 420px;
}

.desc {
  margin-top: 67px;
  text-align: center;
}

.desc span {
  display: block;
  text-align: left;
  margin: 26px auto;
  width: 540px;
  font-size: 20px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #777777;
  line-height: 30px;
}

.desc div p {
  font-size: 20px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  color: #777777;
  line-height: 23px;
  margin-top: 32px;
}

.step-container {
  width: 990px;
  min-height: 500px;
  display: flex;
  border: 1px solid #d5d5d5;
  margin: 0 auto;
  flex-direction: column;
  margin-top: 52px;
  margin-bottom: 100px;
}

.mark {
  font-family: PingFang SC, PingFangSC-Regular, Microsoft YaHei, Hiragino Sans GB, Verdana, Arial, Helvetica, sans-serif;
  position: relative;
  display: inline-block;
  font-size: 18px;
  width: 11px;
  height: 25px;
  color: #fff;
  text-align: center;
  z-index: 2;
  font-weight: 500;
}

.mark::before {
  content: "";
  position: absolute;
  width: 65px;
  height: 65px;
  z-index: -1;
  left: -15px;
  top: -18px;
  background: url(/images/小标题点缀.png);
  background-size: contain;
}

.step-bg {
  background: -webkit-gradient(linear, left top, left bottom, from(#fffbf5), to(#fff));
  background: linear-gradient(180deg, #fffbf5, #fff);
  padding-left: 80px;
  padding-top: 43px;
  text-align: left;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

.step-bg .step-text {
  font-size: 18px;
  color: #333;
  margin-left: 14px;
  position: relative;
  z-index: 2;
  font-family: PingFang SC, PingFangSC-Regular, Microsoft YaHei, Hiragino Sans GB, Verdana, Arial, Helvetica, sans-serif;
  font-weight: 700;
}

.step-bg a {
  color: #ffab4c;
}

.step-bg img {
  width: 686px;
  margin-left: 72px;
  margin-bottom: 23px;
  margin-top: 44px;
}

h2{
  font-size: 32px;
  font-family: PingFang SC-Medium, PingFang SC;
  font-weight: normal;
  color: #111111;
  line-height: 38px;
}
.desc div span a {
  color: #777777;
}


@media screen and (max-width:980px) {
  .header div img {
    padding-left: 40px;
  }
}

@media screen and (max-width:1200px) {
  .space{
    width: 100px;
  }
}