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;
}
/* =============================================================
   右侧浮动联系组件 (footer2.htm / public_foot.htm)
   ============================================================= */
.right_contact{
  position: fixed;
  right: 18px;
  bottom: 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  z-index: 99;
}

.kf_r_top{
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: 14px 10px;
  border-radius: 24px;
  border: 1px solid rgba(43, 120, 246, .14);
  background: rgba(255, 255, 255, .9);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  box-shadow:
    0 22px 50px rgba(20, 60, 140, .18),
    0 4px 12px rgba(20, 60, 140, .06),
    inset 0 1px 0 rgba(255, 255, 255, .8);
  overflow: visible;
}
.kf_r_top::before{
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  top: -1px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, #2B78F6, #22D0FF, transparent);
  opacity: .8;
}

.kf_r_box{
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  width: 72px;
}

.kf_r_line{
  width: 36px;
  height: 1px;
  margin: 4px auto;
  background: linear-gradient(90deg, transparent, rgba(43, 120, 246, .22), transparent);
}

.kf_r_a{
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 100%;
  padding: 9px 4px;
  cursor: pointer;
  text-align: center;
  border-radius: 14px;
  transition: background .25s ease, transform .25s ease;
}
.kf_r_a:hover{
  background: linear-gradient(180deg, rgba(43, 120, 246, .1), rgba(34, 208, 255, .06));
  transform: translateY(-1px);
}
.kf_r_a > svg,
.kf_r_a > .icon{
  width: 28px !important;
  height: 28px !important;
  transition: transform .3s ease, filter .3s ease;
  filter: drop-shadow(0 6px 12px rgba(43, 120, 246, .2));
}
.kf_r_a:hover > svg,
.kf_r_a:hover > .icon{
  transform: translateY(-2px) scale(1.08);
}
.kf_r_a > p{
  margin: 0;
  font-family: PingFang SC, Microsoft YaHei, sans-serif;
  font-size: 11px !important;
  font-weight: 500;
  line-height: 1.3;
  color: #3F4F71;
  transition: color .22s ease;
}
.kf_r_a:hover > p{
  color: #2B78F6;
}

/* 在线咨询按钮 - 绿色脉冲点 */
.kf_r_a.zixun_btn::before{
  content: "";
  position: absolute;
  top: 6px;
  right: 14px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #00C853;
  box-shadow:
    0 0 0 3px rgba(0, 200, 83, .18),
    0 0 12px rgba(0, 200, 83, .65);
  z-index: 2;
  animation: kfPulse 1.6s ease-in-out infinite;
}
@keyframes kfPulse{
  0%, 100%{ transform: scale(1); opacity: 1; }
  50%    { transform: scale(.78); opacity: .7; }
}

/* 悬浮气泡 */
.kf_r_ac{
  position: absolute;
  top: 50%;
  right: calc(100% + 12px);
  display: block;
  overflow: visible;
  text-align: left;
  line-height: 1;
  padding: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(10px, -50%);
  transition: opacity .25s ease, transform .25s ease, visibility .25s ease;
  z-index: 999;
}
.kf_r_a:hover .kf_r_ac{
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(0, -50%);
}
.kf_r_ac .kf_r_acont{
  position: relative;
  padding: 11px 18px;
  border-radius: 12px;
  background: linear-gradient(135deg, #2B78F6 0%, #0A56C9 100%);
  color: #fff;
  font-family: PingFang SC, Microsoft YaHei, sans-serif;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.5;
  white-space: nowrap;
  box-shadow:
    0 14px 32px rgba(43, 120, 246, .32),
    0 0 0 1px rgba(255, 255, 255, .18) inset;
}
.kf_r_acont a{
  color: #fff;
  text-decoration: none;
}
.kf_r_acont a:hover{
  color: #fff;
  opacity: .9;
}
.kf_r_acont::after{
  content: "";
  position: absolute;
  top: 50%;
  right: -5px;
  width: 12px;
  height: 12px;
  margin-top: -6px;
  background: linear-gradient(135deg, #2B78F6 0%, #0A56C9 100%);
  transform: rotate(45deg);
  border: 0;
  box-shadow: 2px -2px 6px rgba(43, 120, 246, .14);
}

/* 回到顶部 */
.kf_totop{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid rgba(43, 120, 246, .18);
  border-radius: 50%;
  background: linear-gradient(135deg, #ffffff 0%, #F5F9FF 100%);
  box-shadow:
    0 14px 28px rgba(20, 60, 140, .18),
    inset 0 1px 0 rgba(255, 255, 255, .8);
  cursor: pointer;
  transition: transform .28s ease, box-shadow .28s ease, background .28s ease, border-color .28s ease;
}
.kf_totop:hover{
  transform: translateY(-4px);
  background: linear-gradient(135deg, #2B78F6 0%, #22D0FF 100%);
  border-color: rgba(34, 208, 255, .6);
  box-shadow: 0 22px 38px rgba(43, 120, 246, .36);
}
.kf_totop svg{
  width: 22px;
  height: 22px;
  transition: transform .28s ease;
}
.kf_totop svg path{
  transition: fill .25s ease;
}
.kf_totop:hover svg{
  transform: translateY(-2px);
}
.kf_totop:hover svg path{
  fill: #ffffff;
}

/* 这几项原模板有时会出现，保留兼容 */
.kf_r_foot{
  display: flex;
  padding: 18px 16px;
  justify-content: center;
  align-items: flex-start;
  gap: 10px;
  align-self: stretch;
  border-radius: 12px;
  background: linear-gradient(135deg, #2B78F6 0%, #0A56C9 100%);
  box-shadow: 0 12px 26px rgba(43, 120, 246, .28);
}
.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, Microsoft YaHei, sans-serif;
  font-size: 14px;
  font-weight: 500;
  line-height: 19px;
}
.kf_r_lan{
  background: #fff;
}

@media (max-width: 768px){
  .right_contact{
    right: 10px;
    bottom: 80px;
    gap: 10px;
  }
  .kf_r_top{ padding: 10px 6px; border-radius: 20px; }
  .kf_r_box{ width: 64px; }
  .kf_r_a{ padding: 7px 4px; }
  .kf_r_a > svg, .kf_r_a > .icon{
    width: 24px !important;
    height: 24px !important;
  }
  .kf_totop{ width: 42px; height: 42px; }
  .kf_totop svg{ width: 18px; height: 18px; }
  .kf_r_ac{ display: none !important; }
}