body {
  background: #fff;
}

.about .about-nav {
  width: 1100px;
  margin: 0 auto;
  padding-top: 30px;
}

.about .about-nav .qq h1 {
  display: inline-block;
  line-height: 22px;
  font-family: PingFangSC-Regular;
  font-size: 16px;
  color: #080808;
  letter-spacing: 0;
}

.about .about-nav .qq h3 {
  display: inline-block;
  margin-left: 30px;
  line-height: 22px;
  font-family: PingFangSC-Regular;
  font-size: 16px;
  color: #696969;
  letter-spacing: 0;
}

.about .about-nav .qq .lon {
  margin-top: 6px;
}

.about .about-nav .qq .lon .key {
  float: left;
  width: 66px;
  height: 2px;
  background: #CB1418;
}

.about .about-nav .qq .lon .keyl {
  float: left;
  width: 91%;
  margin-left: 30px;
  height: 2px;
  background: #595B5D;
}

.about .about-nav .right-nav {
  margin-top: 24px;
  background: #FFFFFF;
  border: 1px solid #979797;
  box-sizing: border-box;
}

.about .about-nav .right-nav h1 {
  margin-top: 16px;
  height: 30px;
  text-align: center;
  margin-bottom: 16px;
  font-family: PingFangSC-Semibold;
  font-size: 22px;
  color: #3E3E3E;
  letter-spacing: 0;
}

.about .about-nav .right-nav .send .biaodan1 {
  margin-left: 260px;
  margin-bottom: 20px;
}

.about .about-nav .right-nav .send .biaodan1 i {
  float: left;
  width: 12px;
  height: 17px;
  font-family: PingFangSC-Medium;
  font-size: 12px;
  color: #FF2D2D;
  letter-spacing: 0;
}

.about .about-nav .right-nav .send .biaodan1 label {
  margin-right: 20px;
  height: 20px;
  float: left;
  line-height: 20px;
  font-family: PingFangSC-Medium;
  font-size: 14px;
  color: #A1A1A1;
  letter-spacing: 0;
}

.about .about-nav .right-nav .send .biaodan1 .inppt {
  width: 512px;
  height: 40px;
  float: left;
  border: 1px solid #C8C8C8;
  border-radius: 4px;
  box-sizing: border-box;
}

.about .about-nav .right-nav .send .biaodan1 .inppt input {
  height: 38px;
  width: 450px;
  margin-left: 16px;
  font-size: 14px;
  background: #FFFFFF;
  border: none;
  outline: none;
}

.about .about-nav .right-nav .send .biaodan1 .inppt input::-ms-input-placeholder {
  font-family: PingFangSC-Regular;
  color: #BEBEBE;
  font-size: 14px;
  letter-spacing: 0;
}

.about .about-nav .right-nav .send .biaodan1 .inppt input::-webkit-input-placeholder {
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #BEBEBE;
  letter-spacing: 0;
}

.about .about-nav .right-nav .biaodan3 {
  margin-top: 26px;
  margin-left: 260px;
}

.about .about-nav .right-nav .biaodan3 i {
  float: left;
  width: 12px;
  height: 17px;
  line-height: 17px;
  font-family: PingFangSC-Medium;
  font-size: 12px;
  color: #FF2D2D;
  letter-spacing: 0;
}

.about .about-nav .right-nav .biaodan3 label {
  float: left;
  margin-right: 20px;
  height: 20px;
  line-height: 20px;
  font-family: PingFangSC-Medium;
  font-size: 14px;
  color: #A1A1A1;
  letter-spacing: 0;
}

.about .about-nav .right-nav .biaodan3 .remark {
  width: 512px;
  height: 96px;
  background: #FFFFFF;
  border: 1px solid #C8C8C8;
  border-radius: 4px;
  padding-top: 6px;
  text-indent: 16px;
  font-size: 14px;
  outline: none;
}

.about .about-nav .right-nav .biaodan3 .remark::-ms-input-placeholder {
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #A6A6A6;
  letter-spacing: 0;
}

.about .about-nav .right-nav .biaodan3 .remark::-webkit-input-placeholder {
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #A6A6A6;
  letter-spacing: 0;
}

.about .about-nav .right-nav .mess-text {
  margin-left: 320px;
  margin-top: 20px;
  width: 512px;
  background: #EDEDED;
  border-radius: 4px;
}

.about .about-nav .right-nav .mess-text .textzh {
  margin: 0 76px 0 76px;
  padding-top: 8px;
  padding-bottom: 8px;
  line-height: 17px;
  font-family: PingFangSC-Regular;
  font-size: 12px;
  color: #A4A4A4;
  letter-spacing: 0;
}

.about .about-nav .right-nav button {
  display: block;
  margin: 0 auto;
  margin-top: 20px;
  margin-bottom: 20px;
  text-align: center;
  width: 120px;
  height: 32px;
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #fff;
  border: none;
  letter-spacing: 0;
  background: #7F050F;
  border-radius: 26px;
  cursor: pointer
}