.contact_box {
  width: 76px;
  position: fixed;
  right: 20px;
  top: 200px;
  background-color: #ffffff;
  box-shadow: 2px 2px 20px rgba(0, 0, 0, 0.14);
  border-radius: 4px;
}

.contact_box .contact_item {
  text-align: center;
  height: 76px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: all 200ms;
  position: relative;
}

.contact_box .contact_item:nth-child(2) {
  border-top: 1px solid #f2f2f2;
  border-bottom: 1px solid #f2f2f2;
}

.contact_box .contact_item:hover {
  background-color: #f2f2f2;
}
.contact_box .contact_item .contact_img {
  width: 30px;
  height: 30px;
}
.contact_box .contact_item .contact_text {
  font-size: 12px;
  color: #1b1c33;
}

.contact_box .contact_item .contact_content_item {
  width: 220px;
  position: absolute;
  left: -220px;
  top: 0;
  bottom: 0;
  cursor: default;
}

.contact_box .contact_item .contact_content {
  position: relative;
  width: 200px;
  min-height: 50px;
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 3px 6px -4px #0000001f, 0 6px 16px #00000014,
    0 9px 28px 8px #0000000d;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.contact_box .contact_item #contact_content1 .contact_content {
  top: 13px;
}

.contact_content .contact_arrow {
  position: absolute;
  width: 10px;
  height: 10px;
  transform: rotate(45deg);
  z-index: 2;
  display: block;
  width: 22px;
  height: 22px;
  overflow: hidden;
  background: #ffffff;
  pointer-events: none;
  right: -5px;
  top: 12px;
}
.contact_box .contact_item #contact_content3 .contact_content .contact_arrow {
  top: 28px;
}
#contact_content1,
#contact_content3 {
  display: none;
}
#btn1:hover #contact_content1 {
  display: block;
}
#btn3:hover #contact_content3 {
  display: block;
}

@media (max-width: 800px) {
  .contact_box {
    width: 60px;
    .contact_item {
      height: 60;
      width: 60px;
      .contact_img {
        width: 24px;
        height: 24px;
      }
    }
  }
}
@media (max-width: 550px) {
  .contact_box {
    right: 15px;
    top: auto;
    bottom: 220px;
  }
}