html {
  font-size: 16px;
}
* {
  box-sizing: border-box;
}
/* 清除浮动 */
.clear_both {
  clear: both;
}
#fixed_tips {
  transition: all 0.3s;
  position: fixed;
  top: 50px;
  left: 50%;
  border-radius: 0.5rem;
  padding: 1rem;
  font-size: 1rem;
  min-width: 400px;
  transform: translate(-50%, -150px);
  -webkit-transform: translate(-50%, -150px);
  -moz-transform: translate(-50%, -150px);
  -ms-transform: translate(-50%, -150px);
  -o-transform: translate(-50%, -150px);
  opacity: 0;
  z-index: 20;
}
#fixed_tips.info {
  color: #909399;
  background-color: #EDF2FC;
  transform: translate(-50%, 0);
  -webkit-transform: translate(-50%, 0);
  -moz-transform: translate(-50%, 0);
  -ms-transform: translate(-50%, 0);
  -o-transform: translate(-50%, 0);
  opacity: 1;
}
#fixed_tips.success {
  color: #67C23A;
  background-color: #F0F9EB;
  transform: translate(-50%, 0);
  -webkit-transform: translate(-50%, 0);
  -moz-transform: translate(-50%, 0);
  -ms-transform: translate(-50%, 0);
  -o-transform: translate(-50%, 0);
  opacity: 1;
}
#fixed_tips.error {
  color: #F56C6C;
  background-color: #fef0f0;
  transform: translate(-50%, 0);
  -webkit-transform: translate(-50%, 0);
  -moz-transform: translate(-50%, 0);
  -ms-transform: translate(-50%, 0);
  -o-transform: translate(-50%, 0);
  opacity: 1;
}
#fixed_tips.remove {
  transform: translate(-50%, -150px);
  -webkit-transform: translate(-50%, -150px);
  -moz-transform: translate(-50%, -150px);
  -ms-transform: translate(-50%, -150px);
  -o-transform: translate(-50%, -150px);
  opacity: 0;
}
#header {
  user-select: none;
  width: 100%;
  height: 80px;
  background-color: transparent;
  box-sizing: border-box;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 2;
  padding: 10px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
#header .logo_box img {
  height: 60px;
}
.center_box {
  display: flex;
}
.center_box .menu {
  width: 10rem;
  padding: 0 2.5rem;
}
.center_box .menu .menu_item {
  text-align: center;
  width: 100%;
  font-weight: bold;
  font-size: 1rem;
  display: block;
  color: #fff;
  text-decoration: none;
  padding: 16px 2px;
  position: relative;
  text-shadow: 1px 1px 5px #000;
}
.center_box .menu .menu_item::after {
  width: 0;
  content: "";
  display: block;
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translate(-50%, 0);
  -webkit-transform: translate(-50%, 0);
  -moz-transform: translate(-50%, 0);
  -ms-transform: translate(-50%, 0);
  -o-transform: translate(-50%, 0);
  transition: width 0.2s;
  height: 3px;
  background-color: #40A2FD;
}
.center_box .menu .menu_item:hover {
  color: #40A2FD;
  text-shadow: none;
}
.center_box .menu .menu_item:hover::after {
  width: 100%;
}
.center_box .menu .menu_item.active {
  text-shadow: none;
  color: #40A2FD;
}
.center_box .menu .menu_item.active::after {
  width: 100%;
}
.footer {
  width: 100%;
  clear: both;
  background-color: #2A3542;
  color: #fff;
  padding: 1rem 4rem;
  line-height: 1.8;
  display: flex;
  justify-content: center;
}
.footer .footer_box {
  float: left;
  width: 30%;
  padding: 0 1%;
  padding-bottom: 1rem;
}
.footer .footer_box.br {
  border-right: 1px solid #fff;
}
.footer .footer_box img {
  width: 5.5rem;
}
.dialog {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-color: rgba(55, 55, 55, 0.5);
  z-index: 20;
}
.dialog .dialog_content {
  position: absolute;
  padding: 1rem 2rem;
  padding-top: 50px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  -o-transform: translate(-50%, -50%);
  background-color: #fff;
}
.dialog .dialog_content .close_btn {
  cursor: pointer;
  position: absolute;
  right: 5px;
  top: 10px;
  font-size: 2rem;
  width: 30px;
  height: 30px;
}
.dialog.show {
  display: block;
}
#feedback textarea {
  padding: 5px;
  resize: none;
  width: 500px;
  height: 300px;
  outline: none;
  font-size: 1rem;
  border-color: #aaa;
}
#feedback .submit_btn {
  cursor: pointer;
  background-color: #40a2fd;
  color: #fff;
  width: 11rem;
  height: 3rem;
  font-size: 1rem;
  text-align: center;
  line-height: 3rem;
  margin: 0 auto;
  margin-top: 2rem;
}
#feedback .submit_btn:hover {
  filter: brightness(110%);
}
#feedback .submit_btn:active {
  filter: brightness(120%);
}
#contact_us .info_item {
  font-size: 1rem;
  line-height: 2rem;
}
#contact_us .info_item .fl {
  float: left;
}
#right_fixed {
  display: none;
  position: fixed;
  right: 1.5rem;
  top: 50%;
  transform: translate(0, -50%);
  -ms-transform: translateX(0, -50%);
  -moz-transform: translateX(0, -50%);
  -webkit-transform: translateX(0, -50%);
  -o-transform: translateX(0, -50%);
  text-align: center;
  z-index: 11;
}
#right_fixed .item {
  padding: 0.5rem;
  background-color: #fff;
  cursor: pointer;
  border: 1px solid #BFBFBF;
  border-bottom: none;
  position: relative;
}
#right_fixed .item .qrcode_box {
  display: none;
  position: absolute;
  right: 101%;
  top: -4.5rem;
  padding: 0.5rem;
  background-color: #fff;
}
#right_fixed .item .qrcode_box img {
  width: 12rem;
}
#right_fixed .item .icon_img {
  width: 2rem;
}
#right_fixed .item .def {
  display: block;
  color: #40A2FD;
}
#right_fixed .item .hover {
  display: none;
  color: #fff;
}
#right_fixed .item.border_bottom {
  border-bottom: 1px solid #BFBFBF;
}
#right_fixed .item:hover {
  background-color: #40A2FD;
  border-color: #40A2FD;
}
#right_fixed .item:hover .def {
  display: none;
}
#right_fixed .item:hover .hover {
  display: block;
}
#right_fixed .item:hover .label {
  color: #fff;
}
#right_fixed .item.wechat:hover .qrcode_box {
  display: block;
}