* {
  padding: 0;
  margin: 0;
  list-style: none;
}

.common-flex {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
}

.common-flex-title {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.common-clear-margin {
  margin-right: 0;
  margin-left: 0;
}

.common-clear-padding {
  padding-right: 0;
  padding-left: 0;
}

.common-deco-cirle {
  width: 8px;
  height: 8px;
  background: #a3c85e;
  border-radius: 4px;
  display: inline-block;
  margin-right: 8px;
}

.common-cfx {
  width: 32px;
  height: 4px;
  background: #7fb63e;
  margin-bottom: 30px;
}

.bg-overlay {
  background-color: rgba(37, 41, 52, 0.7);
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
}

/* 生物碳中和区域 */

/* .header {

  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 580px;
  background-image: url(../images/biocarbon-neutral/banner.png);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: top center;
  
} */
.header {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 580px;
  background-image: url(../images/biocarbon-neutral/banner.png);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: top center;
  position: relative;
}

.header-fb {
  width: 100%;
}

.header .title1 {
  width: 100%;
  height: 78px;
  font-size: 75px;
  font-family: Microsoft YaHei, Microsoft YaHei-Bold;
  font-weight: 700;
  text-align: center;
  color: #666971;
  line-height: 24px;
  letter-spacing: 16px;
  margin-bottom: 8px !important;
}

.header .title2 {
  width: 100%;
  height: 26px;
  font-size: 25px;
  font-family: Microsoft YaHei, Microsoft YaHei-Bold;
  font-weight: 700;
  text-align: center;
  color: #666971;
  line-height: 24px;
  letter-spacing: 5.2px;
  margin-bottom: 8px !important;
}


/* 用得起的无土栽培方式 */

.box1 {
  width: 63%;
  height: 526px;
  background: #ffffff;
  margin: 0 auto;
}

.box1 .box1-fb1 {
  width: 100%;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
}

.box1 .box1-fb1 .box1-title-fb .title1 {
  width: 319px;
  height: 32px;
  font-size: 31px;
  font-family: Microsoft YaHei UI, Microsoft YaHei UI-Bold;
  font-weight: 700;
  text-align: center;
  color: #252934;
  line-height: 70px;
}

.box1 .box1-fb1 .box1-title-fb .title2 {
  text-transform: uppercase;
  width: 381px;
  height: 32px;
  opacity: 0.1;
  font-size: 40px;
  font-family: Microsoft YaHei UI, Microsoft YaHei UI-Bold;
  font-weight: 700;
  text-align: center;
  color: #252934;
  line-height: 24px;
  margin: 0 20px;
}

.box1 .box1-fb2 {
  width: 100%;
}

.box1 .box1-fb2 .ims {
  display: block;
  margin-bottom: 20px;
}

.box1 .box1-fb2 .des {
  margin-bottom: 20px;
}


/* 水培牧草 */

.box2 {
  position: relative;
  width: 63%;
  height: 733px;
  background: #fbfbfb;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: flex-start;
  margin: 0 auto;
}

.box2 .bcirle {
  width: 100px;
  height: 100px;
  position: absolute;
  top: 56px;
  right: 119px;
}

.box2 .box2-fb1 {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  margin-left: 49px;
}

.box2 .box2-fb1 .title1 {
  width: 256px;
  height: 32px;
  font-size: 32px;
  font-family: Microsoft YaHei UI, Microsoft YaHei UI-Bold;
  font-weight: 700;
  text-align: left;
  color: #252934;
  line-height: 66px;
}

.box2 .box2-fb1 .title2 {
  text-transform: uppercase;
  width: 135px;
  height: 32px;
  opacity: 0.1;
  font-size: 40px;
  font-family: Microsoft YaHei UI, Microsoft YaHei UI-Bold;
  font-weight: 700;
  text-align: left;
  color: #252934;
  line-height: 24px;
}

.box2 .box2-fb2 {
  width: 100%;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  flex-wrap: wrap;
}

.box2 .box2-fb2 .igrass {
  margin-left: 50px;
  width: 543px;
  height: 407px;
}

.box2 .box2-fb2 .right {
  width: 704px;
  height: 336px;
  background: #ffffff;
  margin-left: -150px;
  padding: 36px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: flex-start;
}

.box2 .box2-fb2 .right .rl1 {
  height: 24px;
  font-size: 24px;
  font-family: Microsoft YaHei, Microsoft YaHei-Bold;
  font-weight: 700;
  text-align: justifyLeft;
  color: #252934;
  line-height: 20px;
}

.box2 .box2-fb2 .right .rl {
  height: 19px;
  font-size: 18px;
  font-family: Microsoft YaHei, Microsoft YaHei-Regular;
  font-weight: 400;
  text-align: justifyLeft;
  color: #737c86;
  line-height: 20px;
}


/* 应用优势 */

.box3 {
  width: 63%;
  /* height: 789px; */
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: flex-start;
  background: #ffffff;
  padding-left: 49px;
  padding-right: 49px;
}

.box3 .box3-fb1 {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.box3 .box3-fb1 .title1 {
  margin-top: 30px;
  height: 32px;
  font-size: 32px;
  font-family: Microsoft YaHei UI, Microsoft YaHei UI-Bold;
  font-weight: 700;
  text-align: left;
  color: #252934;
  line-height: 67px;
}

.box3 .box3-fb1 .title2 {
  text-transform: uppercase;
  height: 32px;
  opacity: 0.1;
  font-size: 40px;
  font-family: Microsoft YaHei UI, Microsoft YaHei UI-Bold;
  font-weight: 700;
  text-align: left;
  color: #252934;
  line-height: 24px;
}

.box3 .box3-fb2 {
  width: 100%;
  /* height: 221px; */
  box-shadow: rgba(210, 206, 206, 0.3) 0 0 16px 0;
}

.box3 .box3-fb2 .xt {
  height: 221px !important;
  display: flex;
  flex-direction: column;
  /* justify-content: space-around; */
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  box-sizing: border-box;
}

.box3 .box3-fb2 .xt .xt1 {
  /* width: 48px; */
  /* height: 24px; */
  height: 60px;
  line-height: 60px;
  font-size: 24px;
  font-family: Microsoft YaHei UI, Microsoft YaHei UI-Bold;
  font-weight: bold;
  text-align: center;
  color: #252934;
}

.box3 .box3-fb2 .xt .xt3 {
  /* width: 176px; */
  /* height: 15px; */
  /* line-height: 40px; */
  font-size: 16px;
  font-family: Microsoft YaHei UI, Microsoft YaHei UI-Regular;
  font-weight: 400;
  text-align: center;
  color: #737c86;
}


/* 水培青绿饲料的价值 */

.box4 {
  width: 63%;
  height: 439px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.box4 .box4-fb .box4-fb1 .title1 {
  width: 288px;
  height: 32px;
  font-size: 32px;
  font-family: Microsoft YaHei UI, Microsoft YaHei UI-Bold;
  font-weight: 700;
  text-align: left;
  color: #252934;
  line-height: 80px;
}

.box4 .box4-fb .box4-fb1 .title2 {
  width: 134px;
  height: 32px;
  opacity: 0.1;
  font-size: 40px;
  font-family: Microsoft YaHei UI, Microsoft YaHei UI-Bold;
  font-weight: 700;
  text-align: left;
  color: #252934;
  line-height: 24px;
}

.box4 .box4-fb .p1 {
  font-size: 16px;
  font-family: Microsoft YaHei UI, Microsoft YaHei UI-Regular;
  font-weight: 400;
  text-align: left;
  color: #737c86;
  line-height: 24px;
}

@media screen and (max-width: 1820px) {
  .box2 {
    height: 100%;
  }

  .box2 .box2-fb2 .right {
    margin-left: 50px;
  }
}

@media screen and (max-width: 1275px) {
  .box2 .box2-fb2 .igrass {
    width: 450px;
    height: 360px;
  }

  .box2 .bcirle {
    top: 14px;
    right: 13px;
  }

  .box2 .box2-fb2 .right {
    width: 100%;
  }
}

@media screen and (max-width: 795px) {
  .box2 {
    width: 100%;
  }

  .header .title1 {
    font-size: 70px;
  }
}

@media screen and (max-width: 595px) {
  .header {
    height: 231px;
  }

  .header .title1 {
    font-size: 27px;
    line-height: 92px;
    letter-spacing: 6px;
  }

  .header .title2 {
    font-size: 16px;
    display: none;
  }

  /* 用得起的无土栽培方式 */
  .box1 {
    width: 100%;
    height: 650px;
  }

  .box1 .box1-fb1 .box1-title-fb .title1 {
    width: 260px;
    font-size: 26px;
  }

  .box1 .box1-fb1 .box1-title-fb .title2 {
    width: 259px;
    height: 32px;
    font-size: 27px;
  }

  /* 水培牧草 */
  .box2 .bcirle {
    width: 60px;
    height: 60px;
    top: 8px;
    right: 8px;
  }

  .box2 .box2-fb1 .title1 {
    font-size: 26px;
    line-height: 70px;
  }

  .box2 .box2-fb1 .title2 {
    font-size: 27px;
  }

  .box2 .box2-fb2 .igrass {
    width: 300px;
    height: 280px;
  }

  .box2 {
    width: 100%;
    height: 733px;
  }

  .box2 .box2-fb2 {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .box2 .box2-fb2 .igrass {
    margin-left: 0;
  }

  .box2 .box2-fb2 .right {
    margin-left: 0;
  }

  .box2 .box2-fb2 .right .rl1 {
    line-height: 26px;
  }

  /* 应用优势 */
  .box3 {
    width: 100%;
  }

  .box3 .box3-fb1 .title1 {
    line-height: 68px;
    font-size: 26px;
  }

  .box3 .box3-fb1 .title2 {
    font-size: 27px;
  }

  /* 水培青绿饲料的价值 */
  .box4 {
    width: 100%;
    padding: 0 30px;
  }

  .box4 .box4-fb .box4-fb1 .title1 {
    font-size: 26px;
  }

  .box4 .box4-fb .box4-fb1 .title2 {
    font-size: 27px;
  }
}

@media screen and (max-width: 414px) {
  .box3 .box3-fb2 .xt {
    height: 127px !important;
  }

  .box3 .box3-fb2 .xt .xt1 {
    line-height: 50px;
    font-size: 18px;
  }

  .common-cfx {
    margin-bottom: 11px;
  }

  .box3 .box3-fb2 .xt .xt3 {
    font-size: 13px;
  }
}

@media screen and (max-width: 375px) {
  .box3 .box3-fb2 .xt {
    height: 111px !important;
  }

  .box3 .box3-fb2 .xt .xt1 {
    line-height: 31px;
    font-size: 16px;
  }

  .common-cfx {
    margin-bottom: 19px;
  }

  .box3 .box3-fb2 .xt .xt3 {
    font-size: 13px;
  }
}