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:1280px;
    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;
}


/* ===========================================================
   右侧浮动客服栏 v2  —— 现代蓝白胶囊
   作用域：.right_contact （全站通用）
   不改 HTML，覆盖旧样式
   =========================================================== */
.right_contact{
  position:fixed !important;
  right:18px !important;
  bottom:120px !important;
  z-index:99 !important;
  display:flex !important;
  flex-direction:column !important;
  align-items:center !important;
  gap:14px !important;
  pointer-events:none;
  animation:kfRcFadeUp .55s ease both;
}
.right_contact > *{ pointer-events:auto; }

@keyframes kfRcFadeUp{
  from{ opacity:0; transform:translateY(24px); }
  to  { opacity:1; transform:translateY(0); }
}

/* 容器：白底圆角胶囊 + 柔和阴影 */
.right_contact .kf_r_top{
  width:64px !important;
  padding:8px 0 !important;
  background:rgba(255,255,255,0.96) !important;
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border:1px solid #eef0f5 !important;
  border-radius:32px !important;
  box-shadow:0 14px 36px rgba(10,31,79,0.10), 0 2px 6px rgba(10,31,79,0.04) !important;
  gap:0 !important;
}
.right_contact .kf_r_box{
  width:100%;
  gap:0 !important;
}
.right_contact .kf_r_line{
  width:32px !important;
  height:1px !important;
  background:#eef0f5 !important;
  margin:2px auto !important;
}

/* 单个客服入口 */
.right_contact .kf_r_a{
  width:calc(100% - 8px) !important;
  margin:2px 4px !important;
  padding:8px 0 !important;
  display:flex !important;
  flex-direction:column;
  align-items:center;
  gap:4px;
  border-radius:14px;
  cursor:pointer;
  transition:background .25s ease;
  position:relative;
}
.right_contact .kf_r_a:hover{
  background:#f3f7ff;
}
/* 图标盒：浅蓝渐变；hover 变品牌蓝渐变 + 反白 */
.right_contact .kf_r_a > svg{
  width:28px !important;
  height:28px !important;
  padding:9px;
  border-radius:12px;
  background:linear-gradient(135deg, #eaf2ff 0%, #d6e6ff 100%);
  box-sizing:content-box;
  transition:background .3s ease, transform .3s ease, box-shadow .3s ease;
}
.right_contact .kf_r_a:hover > svg{
  background:linear-gradient(135deg, #2B78F6 0%, #22D0FF 100%);
  transform:scale(1.06) rotate(-5deg);
  box-shadow:0 8px 18px rgba(43,120,246,0.35);
}
.right_contact .kf_r_a:hover > svg path{
  fill:#ffffff !important;
}
.right_contact .kf_r_a p{
  font-size:11px !important;
  color:#566073 !important;
  margin:0 !important;
  line-height:1.4 !important;
  transition:color .25s ease;
}
.right_contact .kf_r_a:hover p{
  color:#2B78F6 !important;
  font-weight:600;
}

/* hover tooltip：蓝色渐变胶囊，左侧弹出带三角 */
.right_contact .kf_r_ac{
  position:absolute !important;
  top:50% !important;
  right:calc(100% + 14px) !important;
  line-height:normal !important;
  text-align:left;
  overflow:visible !important;
  padding:0 !important;
  display:block !important;
  opacity:0;
  visibility:hidden;
  transform:translateY(-50%) translateX(8px);
  transition:opacity .25s ease, transform .25s ease, visibility .25s;
  pointer-events:none;
  z-index:999;
}
.right_contact .kf_r_a:hover .kf_r_ac{
  opacity:1;
  visibility:visible;
  transform:translateY(-50%) translateX(0);
  pointer-events:auto;
}
.right_contact .kf_r_ac .kf_r_acont{
  background:linear-gradient(135deg, #1a5dff 0%, #2B78F6 50%, #22D0FF 100%) !important;
  padding:12px 18px !important;
  white-space:nowrap;
  border-radius:12px !important;
  color:#ffffff !important;
  font-size:13px;
  line-height:1.5;
  font-weight:500;
  box-shadow:0 14px 28px rgba(43,120,246,0.30);
  position:relative;
}
.right_contact .kf_r_acont a{
  color:#ffffff !important;
  text-decoration:none;
}
.right_contact .kf_r_acont::after{
  content:'';
  width:0; height:0;
  border-style:solid !important;
  border-width:7px 0 7px 9px !important;
  border-color:transparent transparent transparent #22D0FF !important;
  position:absolute;
  right:-9px !important;
  top:50% !important;
  margin-top:-7px;
}

/* 返回顶部：独立圆形按钮 */
.right_contact .kf_totop{
  width:48px !important;
  height:48px !important;
  padding:0 !important;
  display:flex !important;
  align-items:center !important;
  justify-content:center !important;
  border:none !important;
  border-radius:50% !important;
  background:linear-gradient(135deg, #1a5dff 0%, #2B78F6 50%, #22D0FF 100%) !important;
  box-shadow:0 10px 24px rgba(43,120,246,0.30) !important;
  transition:transform .25s ease, box-shadow .25s ease, opacity .3s ease, visibility .3s;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  text-decoration:none;
}
.right_contact .kf_totop.kf_totop_show{
  opacity:1;
  visibility:visible;
  pointer-events:auto;
}
.right_contact .kf_totop:hover{
  transform:translateY(-3px);
  box-shadow:0 16px 32px rgba(43,120,246,0.45) !important;
}
.right_contact .kf_totop svg{
  width:20px !important;
  height:20px !important;
}
.right_contact .kf_totop svg path{
  fill:#ffffff !important;
}

@media (max-width:768px){
  .right_contact{ right:10px !important; bottom:80px !important; gap:10px !important; }
  .right_contact .kf_r_top{ width:54px !important; border-radius:28px !important; }
  .right_contact .kf_r_a > svg{ width:24px !important; height:24px !important; padding:7px; }
  .right_contact .kf_r_a p{ font-size:10px !important; }
  .right_contact .kf_totop{ width:42px !important; height:42px !important; }
}
/* ========== 右侧浮动客服栏 v2 end ========== */