body * {
    box-sizing: border-box;
    flex-shrink: 0;
  
  }
  body {
    font-family: PingFangSC-Regular, Roboto, Helvetica Neue, Helvetica, Tahoma,
      Arial, PingFang SC-Light, Microsoft YaHei;
      margin:0;
      padding:0;
  }
  a { text-decoration:none; text-decoration-color: none; -moz-text-decoration-color: none; }
  a:focus,a:hover {transition:none}
  a.text-gray:hover{color:#6E6E6E}
  p{margin:0}
  dl,dd,ul,li {margin:0;padding:0;list-style:none}
  .m650{
    width:650px
  }
  .m12{
    width:1200px;
    margin:0 auto;
  }
  input {
    background-color: transparent;
    border: 0;
  }
  button {
    margin: 0;
    padding: 0;
    border: 1px solid transparent;
    outline: none;
    background-color: transparent;
  }
  
  button:active {
    opacity: 0.6;
  }
  .flex-col {
    display: flex;
    flex-direction: column;
  }
  .flex-row {
    display: flex;
    flex-direction: row;
  }
  .justify-start {
    display: flex;
    justify-content: flex-start;
  }
  .justify-center {
    display: flex;
    justify-content: center;
  }
  
  .justify-end {
    display: flex;
    justify-content: flex-end;
  }
  .justify-evenly {
    display: flex;
    justify-content: space-evenly;
  }
  .justify-around {
    display: flex;
    justify-content: space-around;
  }
  .justify-between {
    display: flex;
    justify-content: space-between;
  }
  .align-start {
    display: flex;
    align-items: flex-start;
  }
  .align-center {
    display: flex;
    align-items: center;
  }
  .align-end {
    display: flex;
    align-items: flex-end;
  }
  /* 封面banner 公共 */
	.banner_dy{
		width: 100%;
		height:540px;
	}
  
  .ban_cont1 {
    height: 100%;
    color: #253554;
}
  .ban_cont3 {
    height: 100%;
    color: #fff;
}

  .ban_title {

    text-shadow: 0px 0px 12px rgba(255, 255, 255, 0.50);
    font-family: Microsoft YaHei;
    font-size: 48px;
    font-style: normal;
    font-weight: 700;
    line-height: normal;
}
.ban_left_p {
    margin-top: 20px;
    width: 600px;
    font-family: PingFang SC;
    font-size: 18px;
    font-style: normal;
    font-weight: 400;
    line-height: 28px;
    min-height: 64px;
    overflow: hidden;
}

.ban_btnbox {
    margin-top: 45px;
}

.btn_public:first-child {
    margin-right: 12px;
}

.btn_public {
    display: inline-block;
    padding: 8px 32px;
    border-radius: 4px;
    font-family: PingFang SC;
    font-size: 14px;
    font-style: normal;
    font-weight: 400;
    line-height: 22px;
}

.ban_btn1 {

    color: #FFF;


    background:  #2B78F6;
}

.ban_btn2 {

    color: #2B78F6;
    border: 1px solid #FFF;
    background: rgba(255, 255, 255, 0.50);
    backdrop-filter: blur(62.32758712768555px);
}

.ban_btn3 {
  color: #2B78F6;
  background: #fff;
}

.ban_btn4 {
  color: #FFF;
  border: 1px solid #FFF;
}
.ban_cont3 .ban_btn_help{
  color: #FFF;
  margin-left:12px;
}
.ban_cont1 .ban_btn_help{
  color: #253554;
  margin-left:12px;
}
.first_title{
  display: inline-block;
  color: #253554;
text-align: center;
font-family: Microsoft YaHei UI;
font-size: 36px;
font-style: normal;
font-weight: 700;
line-height: 24px;
margin-top:80px;
width: 100%;
text-align: center;
}
/* 右侧浮动 */
.right_contact{
 
  position: fixed;
  right: 10px;
  bottom: 200px;
  display: inline-flex;
flex-direction: column;
align-items: flex-start;
gap: 32px;
z-index: 9;
}

.kf_r_top{
  background: #fff;
  display: flex;
padding: 12px 0;
justify-content: center;
align-items: flex-start;
gap: 10px;
align-self: stretch;
border: 1px solid #FFF;
background: linear-gradient(180deg, #F6F6F6 0%, #FEFEFE 100%);
box-shadow: 0px 16px 24px 0px rgba(210, 217, 236, 0.30);
}

.kf_r_box{
  width: 100%;
  display: flex;
flex-direction: column;
align-items: center;
gap: 8px;
}
.kf_r_line{
  width: 40px;
height: 1px;
background:#F5F7FA;
}
.kf_r_foot{
  display: flex;
padding: 18px 16px;
justify-content: center;
align-items: flex-start;
gap: 10px;
align-self: stretch;
border-radius: 4px;
background: #2B78F6;
box-shadow: 0px 4px 16px 0px rgba(192, 199, 218, 0.30);
}
.kf_r_fbox{
  display: flex;
  width: 20px;
  height: 100px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 8px; 
  color: #fff;
text-align: center;
font-family: PingFang SC;
font-size: 14px;
font-style: normal;
font-weight: 500;
line-height: 19px;
}
.kf_totop{
  display: flex;
padding: 12px 16px;
align-items: flex-start;

border: 1px solid #FFF;
background: linear-gradient(180deg, #FBFBFB 0%, #FEFEFE 100%);
box-shadow: 0px 16px 24px 0px rgba(210, 217, 236, 0.30);
}
.kf_r_lan{
  background: #fff;
}
.kf_r_a{
  width: 100%;
  position: relative;
  cursor: pointer;
  text-align: center;
}
.kf_r_ac{
  position: absolute;
  top: 0;
  right: 56px;
  line-height: 45px;
  text-align: left;
  overflow: hidden;
  padding-right: 15px;
  padding-bottom: 15px;
  display: none;
  z-index: 999;
}
.kf_r_a:hover .kf_r_ac{
  display: block;
}
.kf_r_ac .kf_r_acont{
  background-color: #0058E7;
  padding: 0 15px;
  white-space: nowrap;
  border-radius: 4px;
  color: #fff;

}
.kf_r_acont a{
color: #fff;
}
.kf_r_acont::after{
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 5px;
  border-color: transparent transparent transparent #0058E7;
  position: absolute;
  right: 5px;
  top: 16px;
}