.box-title {
  text-align: center;
  font-size: 26px;
  font-weight: normal;
  position: relative;
  letter-spacing: 2px;
}

.box-title:after {
  content: "";
  position: absolute;
  width: 60px;
  height: 2px;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
}

.box-title-black {
  color: #000000;
}

.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 {
  background: url("../cn_images/microgrid/box1.png") no-repeat center;
  -webkit-background-size: cover;
  background-size: cover;
  width: 100%;
  height: 350px;
}

.box2 {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.box2-content {
  display: flex;
  justify-content: space-between;
  width: 1200px;
  margin-top: 65px;
  margin-bottom: 100px;
}

.box2-content-item {
  width: 362px;
  height: 325px;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 3px 20px #0000001a;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.box2-content-item .box-title {
  font-weight: 400;
  font-size: 24px;
  text-align: center;
  color: #000;
  margin-top: 32px;
  letter-spacing: 1px;
}


.box3 {
  background: url("../cn_images/microgrid/box3.png") no-repeat center;
  -webkit-background-size: cover;
  background-size: cover;
  height: 439px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.box3-title {
  width: 783px;
  height: 114px;
  border-radius: 20px;
  --webkit-backdrop-filter: blur(5px);
  background-color: rgba(255, 255, 255, 0.5);
  z-index: 999;
  font-weight: 700;
  font-size: 50px;
  line-height: 104px;
  color: #000;
  display: flex;
  justify-content: center;
  align-items: center;
  letter-spacing: 2px;
}

.box3-title p {
  font-weight: 700;
  font-size: 50px;
  line-height: 104px;
  color: #3E93F9 !important;
  margin-left: 20px;
}

.box4 {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.box4-content {
  display: flex;
  justify-content: space-between;
  width: 1200px;
  margin-top: 65px;
  margin-bottom: 100px;
}

.box4-content-item {
  width: 362px;
  height: 325px;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 3px 20px #0000001a;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.box4-content-item .box-title {
  font-weight: 400;
  font-size: 24px;
  text-align: center;
  color: #000;
  margin-top: 32px;
  letter-spacing: 1px;
}

.box5 {
  background: url("../cn_images/microgrid/box5.png") no-repeat center;
  -webkit-background-size: cover;
  background-size: cover;
  height: 439px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.box5-content {
  width: 1189px;
  height: 268px;
  border-radius: 20px;
  /* Note: currently only Safari supports backdrop-filter */
  --webkit-backdrop-filter: blur(5px);
  background-color: rgba(255, 255, 255, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
}

.box5-content .title-line {
  margin-top: 0;
}

.box5-content-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.box5-content-item .box5-img {
  width: 115px;
  height: 110px;
}

.box5-content-item .box-title {
  font-weight: 400;
  font-size: 20px;
  line-height: 30px;
  text-align: center;
  color: #000;
}


.box6 {
  width: 100%;
  height: 520px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.box6-content {
  width: 1200px;
  display: flex;
  justify-content: space-between;
  margin-top: 70px;
}

.box6-content-item {
  display: flex;
  width: 516px;
  height: 223px;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 3px 20px #0000001a;
}

.box6-content-item img {
  width: 207px;
  height: 223px;
}

.box6-content-title {
  width: 309px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.box6-content-title .box6-icon-img {
  width: 46px;
  height: 46px;
}

.box6-content-title .box6-icon-img2 {
  width: 44px;
  height: 52px;
}

.box6-content-title .box-title {
  font-weight: 500;
  font-size: 32px;
  line-height: 44px;
  text-align: center;
  color: #000;
  padding: 10px 0;
}

.box6-content-title p {
  font-weight: 300;
  font-size: 16px;
  line-height: 30px;
  text-align: center;
  color: #000;
}

.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;
}