/* html, body {
  height: 100%;
} */

.fv {
  overflow: hidden;
  /* height: 100%; */
  width: 65%;
  margin: 0 auto;
  text-align: center;
  margin-bottom: 1em;
}

.fv_content {
  /* height: 100%; */
}

.fv .item {
  /* height: 100%; */
  position: relative;
  float: left;
}

.fv .item .item_content {
  box-sizing: border-box;
  padding-right: 0.3em;
}

.fv .item .item_content img {
  width: 100% !important;
  height: auto;
}

.fv .item:nth-child(1) {
  width: 21%;
  margin-top: 15%;
}

.fv .item:nth-child(2) {
  width: 30.77%;
}

.fv .item:nth-child(3) {
  width: 30.92%;
  margin-top: 10%;
}

.fv .item:nth-child(4) {
  width: 16.2%;
  margin-top: 23%;
}

.fv .item:nth-child(2) .a2 {
  width: 60%;
  margin-top: 0.3em;
  float: right;
  position: relative;
}

.fv .item:nth-child(2) .a1 {
  position: relative;
  float: left;
}

.fv .item:nth-child(2) .a1 .tex_in {
  position: absolute;
  top: 0;
  left: -280px;
  width: 264px;
  text-align: right;
}

.fv .item:nth-child(2) .a2 .tex_in {
  position: absolute;
  bottom: 0;
  right: -280px;
  width: 264px;
  text-align: left;
}

.fv .item:nth-child(3) .tex_in {
  margin-bottom: 1em;
  text-align: right;
}

.fv .item:nth-child(1) .tex_in {
  margin-top: 1em;
}

.fv .item:nth-child(4) .tex_in {
  text-align: right;
  margin-top: 1em;
  position: absolute;
  bottom: -4em;
  right: 0;
  width: 264px;
  text-align: right;
}

.fv_wrap {
  height: 100%;
}

.img_box {
  position: relative;
}

.tex_in {
  color: #000;
  text-align: left;
}

.tex_in .title {
  font-weight: bold;
}

@media only screen and (max-width: 1024px) {
  .item_content,
  .img_box {
    overflow: hidden;
  }
  .fv .item {
    width: 100% !important;
    margin-top: 0.2em !important;
  }
  .fv .item .item_content img {
    width: 50% !important;
    float: left;
  }
  .fv .item .tex_in {
    width: 50% !important;
    float: left !important;
    position: initial !important;
    text-align: left !important;
    padding: 2em 1em;
  }
  .fv .item:nth-child(2) .a2 {
    width: 100%;
    margin-top: 0.3em;
    float: left;
    position: relative;
  }
  .fv {
    overflow: hidden;
    /* height: 100%; */
    width: auto;
    margin: 0 auto;
    text-align: center;
    margin-bottom: 1em;
  }
}