.banner {
  min-width: 1300px;
  padding-top: 100px;
}
.banner img {
  width: 100%;
  display: block;
}
.co_nt {
  margin-bottom: 30px;
}
.co_nt h1 {
  margin: 150px 0 80px;
  font-size: 50px;
  font-family: PingFang SC-Semibold, PingFang SC;
  font-weight: 600;
  color: #333333;
  text-align: center;
}
.co_nt ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}
.co_nt ul li {
  margin-bottom: 70px;
}
.co_nt ul li a img {
  width: 566px;
}
.ma_rk {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  z-index: 9999999;
}
.ma_rk .contbox {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 404px;
}
.ma_rk .contbox .title {
  height: 56px;
  background: url(../images/yhsq-mark-title.png) no-repeat;
  background-size: contain;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}
.ma_rk .contbox .title .t {
  font-size: 20px;
  font-family: PingFang SC-Medium, PingFang SC;
  font-weight: 500;
  color: #FFFFFF;
  line-height: 23px;
  text-shadow: 0px 2px 2px rgba(21, 52, 228, 0.1);
  margin-right: 118px;
}
.ma_rk .contbox .title .x {
  width: 14px;
  height: 14px;
  margin-right: 30px;
}
.ma_rk .contbox .title .x img {
  width: 14px;
  height: 14px;
}
.ma_rk .contbox .title .x img:hover {
  cursor: pointer;
}
.ma_rk .contbox .cont {
  background-color: #FFFFFF;
  border-radius: 0 0 20px 20px;
  padding: 30px 50px 36px 50px;
}
.ma_rk .contbox .cont ul li:nth-child(1) {
  margin-bottom: 18px;
}
.ma_rk .contbox .cont ul li:nth-child(1) .form {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
}
.ma_rk .contbox .cont ul li:nth-child(1) .form .remmber {
  display: block;
  position: relative;
  width: 16px;
  height: 16px;
  border-radius: 2px 2px 2px 2px;
  opacity: 1;
  border: 1px solid rgba(0, 0, 0, 0.1);
  margin-right: 8px;
}
.ma_rk .contbox .cont ul li:nth-child(1) .form .remmber:hover {
  cursor: pointer;
}
.ma_rk .contbox .cont ul li:nth-child(1) .form .remmber[type="checkbox"]:checked {
  opacity: 0;
  z-index: 9;
}
.ma_rk .contbox .cont ul li:nth-child(1) .form .remmber[type="checkbox"]:checked + span {
  position: absolute;
  left: 0;
  display: inline-block;
  width: 16px;
  height: 16px;
  background: url('../images/yhsq-mark-v.png') no-repeat;
  background-size: contain;
}
.ma_rk .contbox .cont ul li:nth-child(1) .form div {
  display: flex;
  align-items: center;
  position: relative;
  margin-right: 20px;
  margin-bottom: 12px;
}
.ma_rk .contbox .cont ul li:nth-child(1) .form div:nth-child(3n) {
  margin-right: 0;
}
.ma_rk .contbox .cont ul li:nth-child(1) .form label {
  font-size: 16px;
  font-family: PingFang SC-Medium, PingFang SC;
  font-weight: 500;
  color: #333333;
  line-height: 19px;
  margin-top: -2px;
}
.ma_rk .contbox .cont ul li:nth-child(1) .form label:hover {
  cursor: pointer;
}
.ma_rk .contbox .cont ul li:nth-child(2) {
  margin-bottom: 27px;
}
.ma_rk .contbox .cont ul li:nth-child(2) textarea {
  width: 304px;
  height: 114px;
  background: rgba(0, 0, 0, 0.06);
  border-radius: 6px 6px 6px 6px;
  opacity: 1;
  border: 0;
  padding: 10px;
}
.ma_rk .contbox .cont ul li:nth-child(3) {
  margin-bottom: 36px;
}
.ma_rk .contbox .cont ul li:nth-child(3) [type="text"],
.ma_rk .contbox .cont ul li:nth-child(3) [type="tel"] {
  padding-left: 15px;
  width: 304px;
  height: 48px;
  background: rgba(0, 0, 0, 0.06);
  border-radius: 6px 6px 6px 6px;
  border: 0;
}
.ma_rk .contbox .cont ul li:nth-child(3) [type="text"] {
  margin-bottom: 16px;
}
.ma_rk .contbox .cont ul li:nth-child(4) {
  cursor: not-allowed;
}
.ma_rk .contbox .cont ul li:nth-child(4) .button {
  width: 304px;
  height: 49px;
  background: rgba(0, 0, 0, 0.1);
  border-radius: 6px 6px 6px 6px;
  color: #999;
  font-size: 18px;
  font-family: PingFang SC-Medium, PingFang SC;
  font-weight: 500;
  text-align: center;
  line-height: 49px;
}
.ma_rk .contbox .cont ul li .t {
  font-size: 18px;
  font-family: PingFang SC-Medium, PingFang SC;
  font-weight: 500;
  color: #333333;
  margin-bottom: 18px;
}
.ma_rk .contbox .cont ul li .t span {
  color: red;
}