.one {
  width: 1440px;
  margin: 0 auto;
  padding-top: 82px;
  display: flex;
}
.one .left {
  flex: 1;
  margin-right: 100px;
}
.one .left .title {
  font-size: 64px;
  color: #333;
  font-weight: 700;
  line-height: 90px;
}
.one .left .title h3 {
  font-family: 'Microsoft YaHei' !important;
}
.one .left .title span {
  color: #FF5A24;
  font-family: 'Microsoft YaHei' !important;
}
.one .left .main {
  margin-top: 72px;
}
.one .left .main .item {
  margin-bottom: 50px;
}
.one .left .main .item p:first-child {
  font-size: 20px;
  color: #333;
  font-weight: 700;
  margin-bottom: 13px;
}
.one .left .main .item p:nth-child(n+2) {
  font-size: 20px;
  color: #666;
}
.one .right {
  width: 50%;
}
.one .right .title {
  margin-bottom: 50px;
}
.one .right .title h3 {
  color: #333;
  font-size: 30px;
  line-height: 50px;
  font-family: 'Microsoft YaHei' !important;
}
.one .right .main .item {
  border-bottom: 1px solid #D6D9D9;
  padding-bottom: 27px;
  margin-bottom: 54px;
}
.one .right .main .item input {
  border: none;
  color: #999;
  font-size: 18px;
}
.one .right .main button {
  width: 240px;
  height: 70px;
  background-color: #FF5A24;
  color: #fff;
  font-size: 20px;
  margin-top: 28px;
  border-radius: 35px;
  transition: all 1s;
  border: 1px solid #FF5A24;
}
.one .right .main button:hover {
  background-color: transparent;
  color: #FF5A24;
}
.one .left .main .item p img{
  width: 20px;
  transform: translateY(-5px)
}
@media screen and (max-width: 1856px) {
  .one {
    padding-top: 70px;
    padding-bottom: 50px;
  }
  .one .left .title {
    font-size: 56px;
    line-height: 80px;
  }
  .one .left .main {
    margin-top: 52px;
  }
  .one .left .main .item p:first-child {
    margin-bottom: 10px;
    font-size: 18px;
  }
  .one .left .main .item {
    margin-bottom: 40px;
  }
  .one .right .title h3 {
    line-height: 42px;
  }
  .one .right .main .item {
    padding-bottom: 20px;
    margin-bottom: 50px;
  }
  .one .right .main button {
    margin-top: 20px;
    width: 220px;
    height: 60px;
  }
  .one .left {
    margin-right: 80px;
  }
}
@media screen and (max-width: 1680px) {
  .one {
    width: 90%;
  }
  .one .left .title {
    font-size: 48px;
    line-height: 70px;
  }
  .one .left .main {
    margin-top: 30px;
  }
  .one .left .main .item p:nth-child(n+2) {
    font-size: 18px;
  }
  .one .left .main .item {
    margin-bottom: 30px;
  }
  .one .right .title {
    margin-bottom: 40px;
  }
  .one .right .main .item input {
    font-size: 16px;
  }
  .one .right .main .item {
    margin-bottom: 40px;
  }
  .one .right .main button {
    margin-top: 0px;
    width: 200px;
    height: 50px;
    font-size: 18px;
  }
  .one .right .title h3 {
    font-size: 28px;
    line-height: 36px;
  }
}
@media screen and (max-width: 1600px) {
  .one {
    padding-top: 50px;
  }
  .one .left .title {
    font-size: 42px;
    line-height: 60px;
  }
  .one .left .main {
    margin-top: 20px;
  }
  .one .right .main .item {
    margin-bottom: 35px;
  }
}
@media screen and (max-width: 1440px) {
  .one .left .title {
    font-size: 32px;
    line-height: 40px;
  }
  .one .left .main .item p:nth-child(n+2) {
    font-size: 16px;
  }
  .one .left .main .item p:first-child {
    margin-bottom: 5px;
  }
  .one .left {
    margin-right: 50px;
  }
  .one .right .main .item {
    padding-bottom: 10px;
    margin-bottom: 30px;
  }
  .one .right .title {
    margin-bottom: 30px;
  }
  .one .right .title h3 {
    font-size: 24px;
    line-height: 32px;
  }
  .one .left .main .item p img {
    width: 16px;
    transform: translateY(-3px);
  }
}
@media screen and (max-width: 1024px) {
  .one {
    width: 100%;
    padding-left: 30px;
    padding-right: 30px;
    flex-direction: column;
  }
  .one .left .main .item {
    margin-bottom: 20px;
  }
  .one .right {
    width: 100%;
  }
  .one .right .title {
    margin-bottom: 20px;
  }
  .one .right .main .item {
    margin-bottom: 30px;
  }
  .one .left {
    margin-right: 0;
  }
}
@media screen and (max-width: 820px) {
  .one .left .title {
    font-size: 28px;
    line-height: 32px;
  }
}
@media screen and (max-width: 540px) {
  .one {
    padding-top: 30px;
    padding-left: 20px;
    padding-right: 20px;
  }
  .one .right .title h3 {
    font-size: 20px;
    line-height: 24px;
  }
  .one .right .main .item {
    margin-bottom: 20px;
  }
  .one .right .main button {
    font-size: 16px;
    width: 180px;
  }
}
@media screen and (max-width: 450px) {
  .one .left .title {
    font-size: 24px;
    line-height: 28px;
  }
  .one .left .main .item p:last-child {
    font-size: 14px;
  }
}