.w100 {
  width: 100%;
}
.center {
  width: 1400px;
  margin: 0 auto;
}
.bgf {
  background: #ffffff;
}
.bgc {
  background: #f2f2f2;
}
.bgy {
  background: #EB5635;
}
.nav {
  height: 64px;
}
.nav a {
  color: #666;
  font-size: 16px;
  display: inline-block;
  line-height: 64px;
}
.product_banner {
  background-image: url('../images/product/tougeping_banner.png');
}
.banner1 {
  width: 100%;
  height: 585px;
  margin-top: 50px;
}
.banner1 img {
  width: 100%;
  height: 100%;
}
.wrapper {
  padding-top: 83px;
}
.wrapper .title {
  font-size: 28px;
  text-align: center;
}
.wrapper .sub_title {
  font-size: 20px;
  color: #333;
  line-height: 30px;
  text-align: center;
  margin-top: 30px;
}
.wrapper .goal_list {
  display: flex;
  justify-content: space-around;
  width: 100%;
  margin-top: 60px;
}
.wrapper .goal_list li {
  width: 420px;
  height: 320px;
  background: #FFFFFF;
  box-shadow: 0 6px 16px -2px rgba(0, 0, 0, 0.08);
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.wrapper .goal_list li p:nth-of-type(1) {
  font-size: 28px;
  color: #333;
  margin-top: 22px;
}
.wrapper .goal_list li p:nth-of-type(2) {
  font-size: 16px;
  color: #666;
  margin-top: 10px;
}
.wrapper.function .title {
  margin-bottom: 126px;
}
.wrapper.function .card {
  height: 462px;
  display: flex;
  margin-bottom: 108px;
}
.wrapper.function .card .img_box img {
  width: 260px;
  box-shadow: 0 6px 16px -2px rgba(0, 0, 0, 0.08);
}
.wrapper.function .card .img_box img:nth-of-type(1) {
  margin-right: 24px;
}
.wrapper.function .card .step_box {
  flex: 1;
  text-align: center;
}
.wrapper.function .card .step_box .document {
  width: 100%;
  height: 302px;
  padding-left: 260px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin-top: -20px;
}
.wrapper.function .card .step_box .document .step_title {
  font-size: 28px;
  color: #333;
  margin-bottom: 15px;
}
.wrapper.function .card .step_box .document p {
  text-align: left;
  font-size: 16px;
  color: #666;
  line-height: 30px;
}
.wrapper.function .card .step_box .document.lf {
  padding-left: 78px;
}