.box-title-black:after {
  background: #0073d3;
}

.box-title-white {
  color: #ffffff;
}

.box-title-white:after {
  background: #4be0ff;
}

.box-title-yellow {
  color: #ffffff;
}

.box-title-yellow:after {
  background: #ffbd4b;
}

.title-line {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 70px;
}

.title-line::before,
.title-line::after {
  content: "";
  flex: 1;
  height: 1px;
  width: 150px;
  background: #d2d2d2;
}

.title-line span {
  margin: 0 30px;
  font-weight: 700;
  font-size: 36px;
  color: #000;
  letter-spacing: 4px;
}


.box1 {
  width: 100%;
  height: 707px;
  background: url("../cn_images/client/box1.png");
  display: flex;
  justify-content: center;
}

.box1-content {
  width: 1200px;
  height: 707px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.box1-content-left .box1-content-item {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 65px;
}

.box1-content-item .img-box {
  width: 93px;
  height: 81px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-right: 20px;
}

.box1-content-item .box1-content-title {
  font-weight: 700;
  font-size: 20px;
  text-align: left;
  color: #707070;
  width: 295px;
}

.box1-content-title .box-title {
  font-weight: 700;
  font-size: 20px;
  text-align: left;
  color: #707070;
  margin-bottom: 10px;
}

.box1-content-title p {
  color: #707070;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0;
  line-height: 20px;
}

.box1-img {
  width: 782px;
  height: 522px;
}

.box2 {
  width: 100%;
  height: 686px;
  background: #daf1ef;
  display: flex;
  justify-content: center;
}

.box2-content {
  width: 1317px;
  height: 686px;
  background: url("../cn_images/client/box2.png") no-repeat center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.box2-content .box2-title {
  font-weight: 700;
  font-size: 36px;
  line-height: 58px;
  text-align: center;
  color: #000;
  margin-top: -100px;
  margin-bottom: 20px;
  letter-spacing: 4px;
}

.box2-content .sub-title p {
  font-weight: 300;
  font-size: 20px;
  line-height: 30px;
  text-align: center;
  color: #000;
  letter-spacing: 2px;
}

.box3 {
  width: 100%;
  height: 838px;
  background: url("../cn_images/client/box3.png") no-repeat center;
  position: relative;
}

.box4-content-bottom {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  width: 1207px;
  height: 634px;
}

.box4-content-bottom img {
  width: 1207px;
  height: 634px;
}

.box3 .box3-title {
  font-weight: 700;
  font-size: 36px;
  line-height: 58px;
  text-align: center;
  color: #fff;
  padding-top: 106px;
  letter-spacing: 4px;
}

.box3 .box3-title-dsc {
  font-weight: 300;
  font-size: 20px;
  line-height: 30px;
  text-align: center;
  color: #fff;
}


.bg-bottom {
  background: url("../cn_images/common/bg_bottom.png") no-repeat center;
  -webkit-background-size: cover;
  background-size: cover;
  width: 100%;
  height: 322px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.bg-bottom-title {
  font-weight: 400;
  font-size: 36px;
  letter-spacing: 10px;
  line-height: 60px;
  text-align: center;
  color: #fff;
}

.bg-bottom-sub-title {
  font-weight: 400;
  font-size: 14px;
  letter-spacing: 1px;
  line-height: 34px;
  text-align: center;
  color: #fff;
}

.input-button-group {
  display: flex;
  margin-top: 20px;
}

.input-button-group input {
  border: none;
  outline: none;
  width: 289px;
  height: 60px;
  border-radius: 5px 0 0 5px;
  background: #f2f3f5;
  padding-left: 10px;
}

.input-button-group input::placeholder {
  font-size: 14px;
  line-height: 28px;
  color: #86909e;
}

.input-button-group button {
  color: white;
  cursor: pointer;
  width: 139px;
  height: 60px;
  border-radius: 0 5px 5px 0;
  background: #1664ff;
  border: none;
}