#footer {
  position: relative;
  background: #232323;
  color: white;
  width: 100vw;
  padding: 40px 40px 20px 40px;
  box-sizing: border-box;
}
.footer_top {
  position: relative;
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
}
.footer_img {
  width: 260px;
  margin-bottom: 40px;
}
.footer_left_phone span {
  font-size: 2em;
}
.footer_left_phone div {
  font-size: 3em;
}

.footer_right {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.right_font {
  font-size: 18px;
  margin-top: 30px;
}
/* 底部 */
.footer_bottom {
  margin-top: 50px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.bottom_line {
  width: 76vw;
  height: 1px;
  background: #ffffff;
  opacity: 0.1;
}
.bottom_content {
  margin-top: 20px;
  color: #5c5b5b;
  font-size: 16px;
  font-weight: 400;
}
.totop {
  cursor: pointer;
  position: absolute;
  top: 140px;
  right: 130px;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  opacity: 0.65;
  border: 4px solid white;
}
.totop:hover {
  color: #005aff;
  border: 4px solid #005aff;
}