body {
  padding: 0;
  margin: 0;
}
a {
  text-decoration: none;
}
.banner {
  width: 100%;
  height: auto;
}
.banner img {
  width: 100%;
  height: 100%;
}
.tit {
  padding: 4rem 22.5rem 0;
  box-sizing: border-box;
  font-size: 2.5rem;
  /*font-weight: 600;*/
  color: #333;
  text-align: center;
}
.desc {
  padding: 1rem 22.5rem;
  box-sizing: border-box;
  font-size: 1rem;
  color: #888888;
  text-align: center;
}
.part {
    padding: 4rem 22.5rem;
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
}
.part .part1 {
  display: flex;
  align-items: center;
  font-size: 1.25rem;
  color: #333;
}
.part .part1 img {
  width: 1.5rem;
  height: auto;
  margin-right: 1rem;
}
form {
  width: 75rem;
  margin: 0 auto 6rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
form textarea {
  width: 100%;
  height: 12.5rem;
  margin-bottom: 1.5rem;
  border: 1px solid #ccc;
  outline: none;
  box-sizing: border-box;
  padding: 15px;
  font-family: auto;
  font-size: 0.875rem;
}
form .bot1 {
  width: 48%;
  height: 3rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
form .bot1 input {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  outline: none;
  border: 1px solid #ccc;
  box-sizing: border-box;
  padding: 0 15px;
  font-size: 0.875rem;
}
form .bot1 .code {
  width: 80%;
  font-size: 0.875rem;
}
form .bot1 .code1 {
  width: 18%;
  text-align: center;
  border: 1px solid #ccc;
  height: 100%;
  line-height: 3rem;
  color: #01948e;
}
form .bot1 .code1 img{
  width: 100%;
  height: 100%
}
form button {
  width: 100%;
  height: 3rem;
  line-height: 3rem;
  text-align: center;
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  background-color: #333333;
  outline: none;
  border: none;
}
form button:hover {
  background-color: #00b4ea;
}
@media (max-width:900px) {
    .tit {
        padding: 20px 5%;
        box-sizing: border-box;
        font-size: 20px;
    }
    .desc {
        padding: 0 5% 10px;
        box-sizing: border-box;
        font-size: 14px;
    }
    .desc {
        padding: 0 5% 10px;
        box-sizing: border-box;
        font-size: 14px;
    }
    .part{
      padding: 20px 5%
    }
    .part .part1 {
        display: flex;
        align-items: center;
        font-size: 14px;
        color: #333;
    }
    .part .part1 img {
    width: 20px;
    height: auto;
    margin-right: 10px;
}
    form {
        width: 90%;
        margin: 0 auto 40px;
    }
    form textarea {
        width: 100%;
        height: 120px;
        margin-bottom: 20px;
        padding: 15px;
        font-size: 14px;
    }
    form .bot1 {
        width: 48%;
        height: 40px;
        margin-bottom: 20px;
    }
    form .bot1 input {
        padding: 0 15px;
        font-size: 14px;
    }
    form .bot1 .code {
        font-size: 14px;
    }
    form button {
        width: 100%;
        height: 40px;
        line-height: 40px;
        font-size: 16px;
    }
}
@media (max-width:900px) {
  .part{
    flex-wrap: wrap;
  }
  .part1{
    width: 100%;
    margin-bottom: 15px
  }
}
@media (max-width:600px) {
form .bot1 {
        width: 100%;
        height: 40px;
        margin-bottom: 20px;
    }
}