* {
  margin: 0;
  padding: 0;
}

/* banner样式 */
.banner {
  width: 100vw;
  height: 438px;
  background: rgba(0, 0, 0, 0.45);
  background-image: url('./../../image/banner/contactus.png');
  background-repeat: no-repeat;
  background-size: cover;
  background-position: 50% 50%;
  position: relative;
}

.about_font {
  font-size: 60px;
  color: white;
  position: absolute;
  left: 15%;
  bottom: 170px;
}

/* tabs标签样式 */
.tabs_menu {
  color: white;
  position: absolute;
  height: 68px;
  width: 100vw;
  background: #000;
  bottom: 0;
}

.tabs_menu ul {
  padding-left: 15%;
}

.tabs_menu li {
  background: #005aff;
  list-style: none;
  float: left;
  cursor: pointer;
  width: 200px;
  height: 68px;
  font-size: 24px;
  font-weight: 400;
  color: #ffffff;
  text-align: center;
  line-height: 68px;
}

.active {
  background: red !important;
}

/* 在线留言 */
.online {
  position: relative;
  width: 100vw;
  padding: 100px 0;
}

.form_divider {
  width: 100%;
  height: 2px;
  background: rgba(170, 170, 170, 1);
}

.form_table {
  position: relative;
  width: 60%;
  left: 50%;
  transform: translate(-50%);
}

.form_table button {
  position: relative;
  left: 50%;
  transform: translate(-50%);
  width: 200px;
  font-size: 24px;
  height: 60px;
  margin-top: 80px;
}