html,
body,
p,
ol,
ul,
li,
dl,
dt,
dd,
blockquote,
figure,
fieldset,
legend,
textarea,
pre,
iframe,
hr,
h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  padding: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: 100%;
  font-weight: normal;
}

ul {
  list-style: none;
}

button,
input,
select,
textarea {
  margin: 0;
}

html {
  font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Microsoft YaHei", Tahoma, Arial;
}

*, *:before, *:after {
  box-sizing: border-box;
}


a{
    text-decoration: none;
}
a:hover{
    text-decoration: none;
}
ul{
    margin: 0;
    padding: 0;
    list-style: none;
}
.fb-btn{
    display: block;
    text-align: center;
    line-height: 40px;
    width: 100px;
    height: 40px;
    border-radius: 4px;
    background: #FF942E;
    color: white;
    font-size: 16px;
    cursor: pointer;
}
.fb-btn:hover{
    background: #FF8700;
    color: white;
}
.fb-btn-default{
    display: block;
    text-align: center;
    line-height: 40px;
    width: 103px;
    height: 40px;
    border-radius: 4px;
    border: 1px solid #FF942E;
    color: #FF942E;
    font-size: 16px;
    cursor: pointer;
}
.fb-btn-default:hover{
    background: #FF8700;
    color: white;
}
.fb-bold{
    font-weight: bold;
}
.fb-color{
    color: #FF942E;
}
.bg-f5{
    background: #F5F5F5;
}
.bg-fa{
    background: #FAFAFA;
}
.wrap{
    padding: 0 130px 0;
    margin: 0 auto;
}
.mobile{
    display: none;
}

.head{
    height:auto;
    padding: 120px 0 60px;
}
.title{
    font-size: 36px;
    color: #000000;
    text-align: center;
    line-height: 50px;
    margin-bottom: 8px;
    font-weight: bold;
}
.sub-title{
    font-size: 16px;
    color: #262626;
    text-align: center;
    line-height: 24px;
}

.site-header{
    position: fixed;
    background-color: white;
    color: rgba(0,0,0,0.6);
    z-index: 999;
    width: 100%;
    box-shadow: 0 2px 10px 0 rgba(0,0,0,0.05);
}
.header-wrap{
    max-width: 1420px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;

}
.header-wrap .logo{
    width: 106px;
    height: 23px;
}
/* .nav-wrap{
    display: flex;
    height: 100%;
} */
.main-nav{
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-width: 484px;
    user-select: none;
}
.side-nav{
    display: flex;
    align-items: center;
    min-width: 216px;
}
.nav-fold{
  position: relative;
  position: relative;
  display: flex;
  align-items: center;
}
.nav-fold::after{
  margin-left: 8px;
  content: "";
  border-right:4px solid transparent;
	border-left:4px solid transparent;
	border-top:4px solid rgba(0,0,0,0.6);
}
.nav-item{
    position: relative;
    line-height: 80px;
    text-align: center;
    /* margin-right: 20px; */
}
.nav-fold{
  padding: 0 30px;
  margin-right: 0;
}
.nav-item.case{
  margin-right: 30px;
}
.nav-item.resource{
  padding-right: 15px;
}
.nav-item.aboutus{
  padding-left: 15px;
}
.nav-item{
    color: black ;
    cursor: pointer;
    font-size: 16px;
}
.nav-item a{
  color: black ;
  font-size: 16px;
}
/* .nav-item:hover{
    color: #FF8E22 ;
}
.nav-item:hover a{
  color: #FF8E22 ;
} */
/* .nav-fold:hover::after{
  border-top:4px solid #FF8E22;
} */

.current-item{
  color: #FF8E22 ;
}
.current-item a{
  color: #FF8E22 ;
}
.current-item a.menu-item{
  color: black ;
}
.current-item a:hover{
  color: #FF8E22 ;
}
.current-item::after{
	border-top:4px solid #FF8E22;
}
.current-item::before{
  content: "";
  background: #FF8E22;
  height: 4px;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
}
.resource.current-item::before{
  left: 30px;
  right: 15px;
}
.aboutus.current-item::before{
  left: 15px;
  right: 30px;
}
.plan-nav.current-item::before{
  left: 30px;
  right: 30px;
}
.sub-menu-pc{
  display: none;
  position: absolute;
  top: 80px;
  line-height: 18px;
  left: 50%;
  transform: translate(-50%, 0);
}
.sub-menu-mobile{
  display: none;
}
.nav-item:hover .sub-menu-pc{
    display: block;
}
.sub-menu-wrap{
  display: flex;
  flex-wrap: wrap;
  margin-top: 8px;
  background-color: white;
  padding-top: 12px;
  box-shadow: 0 2px 10px 0 rgba(0,0,0,0.05);
  width: 540px;
  border-radius: 4px;
}
.sub-menu-wrap::before{
  top: 0px;
  left: 50%;
  transform: translate(-50%, 0);
  /* right: 262px; */
  position: absolute;
  content: "";
  border-right: 8px solid transparent;
  border-left: 8px solid transparent;
  border-bottom: 8px solid white;
}
.resource .sub-menu-wrap::before{
  left: 52%;
}
.aboutus .sub-menu-wrap::before{
  left: 49%;
}
.sub-menu-pc .menu-item{
  display: flex;
  margin-bottom: 10px;
  width: calc(50% - 36px);
  margin: 0 18px 12px;
  padding: 12px;
}
.sub-menu-pc .menu-item:hover{
  background: rgb(243,243,243);
  border-radius: 4px;
  /* box-shadow: 0 4px 16px 0 rgb(15 35 119 / 12%); */
}
.sub-menu-pc .menu-item:hover .title{
  /* color: #FF8E22; */
}
.sub-menu-pc img{
  display: none;
  width: 24px;
  height: 24px;
  margin-right: 8px;
}
.sub-menu-pc .title{
  font-size: 16px;
  color: black;
  line-height: 24px;
  text-shadow: 0px 0px 20px rgba(226, 232, 237, 0.6);
  margin-bottom: 4px;
  text-align: left;
  font-weight: normal;
}
.sub-menu-pc .sub-title{
  font-size: 12px;
  color: #999999;
  line-height: 18px;
  text-shadow: 0px 0px 20px rgba(226, 232, 237, 0.6);
  text-align: left;
  font-weight: normal;
}
.side-nav a{
  color: white !important;
  font-weight: normal;
}
.side-nav a:hover{
  color: white!important;
}
.side-nav .login a{
  color:#666666 !important;
  margin-right: 52px;
}
.side-nav .login:hover a{
  color: black !important;
}
/*.swiper-pagination-bullet {
    width: 10px;
    border-radius: 5px;
    transition: .3s ease;
    background: #D9D9D9;
    border: 0 solid #BFBFBF;
    border-radius: 2px;
    opacity: 1;
    background: rgba(0,0,0,.2);
    pointer-events: auto;
    overflow: hidden;
    height: 4px;
}
.swiper-pagination-bullet-active {
    width: 60px;
    background: rgba(0,0,0,.2);
    position: relative;
}

.swiper-pagination-bullet-active::after {
    position: absolute;
    left: 0;
    height: 100%;
    content: "";
    width: 100%;
    background-color: #4480F4;
    animation: banner-pagination-bullet 5s linear;
    border-radius: 5px;
}*/


.event{
  height: 68px;
  position: relative;
  display: flex;
  justify-content:center;
  align-items: center;
  background: url('https://stc-op.fenbeitong.com/img_op/img/home/banner_backgroud.jpg');
  background-size: cover;
}
.event-wrapper{
  display: flex;
  align-items: center;
}
.event img{
  max-width: 100%;
}
.event a{
  color: white;
}
.event .event-detail{
  position: absolute;
  left: calc(50%);
  margin-left: 400px;
  color: white;
}
.event .word{
  height: 60px
}
.event .close{
    position: absolute;
    width: 52px;
    height: 52px;
    padding: 20px;
    top: 50%;
    left: 50%;
    margin-left: 560px;
    transform: translateY(-50%);
    cursor: pointer;
}

@keyframes showmenu {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}


.fb-block1{
    padding-top: 80px;
}
.fb-block7 {
  background: #fafbfc;
}
.fb-block7 .wrap{
  background: #fafbfc;
}
.fb-block7 .detail{
    display: flex;
    justify-content: space-around;
}
.fb-block7 .content{
    width: 812px;
    margin: 0 auto;
}
.fb-block7 .detail-item{
    display: flex;
    align-items: center;
}
.fb-block7 .detail-item img{
    width: 30px;
    height: 30px;
    margin-right: 15px;
}
.fb-block7 .contact{
    display: flex;
    padding-top: 24px;
}

.fb-block7 .contact .right{
    display: flex;
    padding-top: 82px;
    padding-left: 16px;
}
.contact .right .down-item{
  width: 170px;
  height: 230px;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: #FFFFFF;
  border-radius: 4px;
  border: 1px solid #EFE9E9;
  padding-top: 20px;
}
.contact .down-title{
  display: flex;
  color: #666666;
  font-size:14px;
  line-height:24px;
}
.contact .down-title img{
  width: 24px;
  height: 24px;
}
.fb-block7 .qrcode-item{
    width: 104px;
    display: flex;
    align-items: center;
    flex-direction: column;
}
.fb-block7 .qrcode{
    width: 94px;
    height: 94px;
    margin: 16px 0;
}
.contact .iphone{
    margin-right: 20px;
}

.fb-block8{
  background-color: black;
}
.fb-block8-wrap{
  padding-top: 100px;
  background-color: black;
}
.fb-block8 .product{
    display: flex;
    justify-content: space-between;
}
.product-des{
  display: flex;
  justify-content: space-between;
  min-width: 600px
}
.fb-block8 .item{
    display: flex;
    flex-direction: column;
    font-size: 14px;
    color: white;
}
.fb-block8 .item a{
    color: #BFBFBF;
}
.fb-block8 .item .widget-title{
    margin-bottom: 20px;
}
.fb-block8 .item a:hover{
    color: #FF942E;
}
.fb-block8 ul li{
    margin-bottom: 5px;
}
.fb-block8 .product-des ul li{
  margin-bottom: 18px;
}
.fb-block8  h4{
    font-size: 14px;
}
.fb-block8 .logo{
    width: 104px;
    height: 23px;
}

.fb-block8 .qrcode .title{
  color: #BFBFBF;
  font-size: 14px;
  line-height: 18px;
  margin-bottom: 0;
}
.fb-block8 .qrcode{
    padding-top: 20px;
}


.fb-block8 .arrow {
    width: 0;
    height: 0;
    border-bottom: 10px solid #fff;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    position: absolute;
    left: 50px;
    top: -10px;
}
.fb-block8 .qrcode img{
    width: 120px;
    height: 120px;
    padding: 10px;
}

.fb-block8 .link a{
    color: #414141;;
    font-size: 14px;
}
.fb-block8 .link ul{
    display: flex;
}
.fb-block8 .link ul li{
    margin-right: 10px;
}
.fb-contact {
    position: fixed;
    bottom: 50px;
    right: 50px;
    z-index: 999;
    display: flex;
    align-items: flex-end;
}
.fb-contact-wrap{
  position: relative;
}
.fb-contact .content{
    width: 230px;
    border-radius: 4px;
    display: flex;
    flex-direction: column;
    background-color: white;
    padding-top: 15px;
    align-items: center;
    box-shadow: 0 0 16px -3px rgba(71,60,60,0.08), 0 3px 28px 0 rgba(0,0,0,0.05), 0 6px 30px 16px rgba(0,0,0,0.02);
}
.fb-contact .content .title{
    font-size: 16px;
    line-height: 24px;
    margin-bottom: 4px;
}
.fb-contact .content .number{
    margin-bottom: 22px;
    font-size: 24px;
    color: #FF942E;
    letter-spacing: 0;
    text-align: center;
    line-height: 28px;
}
.fb-contact .content .mode{
    display: flex;
    /* justify-content: space-around; */
    width: 100%;
    justify-content: center;
    margin-bottom: 10px;
}
.fb-contact  .weixin{
    display: none;
}
.fb-contact  .title{
    display: none;
}
.fb-contact  .number{
    display: none;
}
.fb-contact  .qrcode{
    display: none;
}

.fb-contact  .help{
    display: block;
    margin-bottom: 6px;
}
.fb-contact  .online-mode .weixin{
    display: block;
}
.fb-contact  .phone-mode .weixin{
    display: none;
}
.fb-contact  .online-mode .title{
    display: none;
}
.fb-contact  .phone-mode .title{
    display: block;
}
.fb-contact  .online-mode .number{
    display: none;
}
.fb-contact  .phone-mode .number{
    display: block;
}
.fb-contact  .online-mode .help{
    display: none;
}
.fb-contact  .phone-mode .help{
    display: none;
}
.fb-contact  .online-mode .qrcode{
    display: block;
}

.fb-contact .content .mode .item{
    display: flex;
    font-size: 14px;
    color: #434343;
    line-height: 22px;
    align-items: center;
    user-select: none;
    cursor: pointer;
}
.fb-contact .content .mode .item img{
    margin-right: 8px;
}
.fb-contact .content .mode .item span{
    width: 74px;
    text-align: left;
}
.fb-contact .r-arrow{
    width: 0;
    height: 0;
    border-width: 10px 0px 10px 10px;
    border-style: solid;
    border-color: transparent white;
    position: absolute;
    left: 230px;
    bottom: 20px;
}
.fb-contact .close-icon{
    cursor: pointer;
    position: absolute;
    left:-7px;
    top:-7px;
}
.fb-contact .robot{
    cursor: pointer;
    width: 82px;
    height: 78px;
    margin-bottom: -10px;
}
footer{
  background-color: black;
}
footer .wrap{
  background-color: black;

}
.copyright{
    color: #D9D9D9;
    font-size: 12px;
    padding-bottom: 76px;
}

.copyright a{
  color: #D9D9D9;
}
.link .copyright a{
    color: #D9D9D9;
}
.copyright a:hover{
    color: #FF8700;
}
.link-qr{
  display: flex;
  justify-content: space-between;
}
.link-qr .link{
  padding: 40px 0;
}

.link-qr .qr .title{
  font-size: 14px;
  font-weight: 500;
  color: #9C9C9C;
  line-height: 20px;
  text-align: center;
  margin-bottom: 7px;
}
.link-qr .qr img{
  width: 132px;
  height: 132px;
}
.mtb{
  margin-bottom: 8px;
}
.mstb{
  margin-bottom: 54px;
}
@media screen and (min-width: 768px) and (max-width: 1200px){
  .wrap{
    width: 1200px;
  }

}

 @media screen and (min-width: 1200px){
  .wrap{
    max-width: 1420px;
  }

}

@media screen and (min-width: 1680px){
  .wrap{
    width: 1420px;
    margin: 0 auto;
  }
}

@media(max-width: 768px){
    .event{
      display: none;
    }
    .wrap{
        max-width: 375px;
        padding: 0 16px;
        margin: 0 auto;
    }
    .pc{
        display: none;
    }
    .mobile{
        display: block;
    }
    .head{
        /* height: 126px; */
        padding: 60px 0 30px;
    }
    .title{
        font-size: 24px;
        color: #333333;
        letter-spacing: 0;
        text-align: center;
        line-height: 36px;
        margin-bottom: 0;
    }
    .sub-title{
        font-size: 16px;
        color: #999999;
        letter-spacing: 0;
        text-align: center;
        line-height: 24px;
    }
    .mtb{
      margin-bottom: 8px;
    }
    .mstb{
      margin-bottom: 40px;
    }
    .site-header{
        height: 50px;
    }
    .header-wrap{
      padding: 0 16px;
        width: 100%;
        height: 50px;
    }
    .header-wrap .logo{
        margin-left: 16px;
    }
    .sub-menu-wrap{
      margin-top: 0;
      padding-top: 0;
      display: flex;
      flex-direction: column;
    }
    .main-nav{
      display:none;
    }
    .resource.current-item::before{
      left: 0;
      right: 0;
    }
    .aboutus.current-item::before{
      left: 0;
      right: 0;
    }
    .plan-nav.current-item::before{
      left: 0;
      right: 0;
    }
    .open .main-nav{
      display: flex;
      flex-direction: column;
    }
    .fb-block1{
        padding-top: 50px;
    }
    .mobile-line{
        width: 42px;
        height: 1px;
        border: 2px solid #FF942E;
        margin: 13px auto 16px;
    }
    .fb-block7 .content {
        width: 100%;
        margin: 0 auto;
    }
    .fb-block7 .detail{
        flex-wrap: wrap;
        width: 100%;
    }
    .fb-block7 .detail-item{
        width: 45%;
        margin-bottom: 16px;
    }
    .fb-block7 .contact .right {
        display: none;
    }
    .fb-block7 .detail-item img {
        width: 24px;
        height: 24px;
        margin-right: 10px;
    }
    .download-m{
      display: flex;
      justify-content: space-around;
      padding: 0 0 30px;
    }
    .download-m .fb-btn{
      width: 120px;
    }
    .fb-block8{
        padding: 30px 0;
        display: none;
    }
    .fb-block8 .product {
        display: none;
    }
    .fb-block8 .down-icon.mobile{
        display: flex;
        justify-content: space-between;
    }
    .nav-toggle{
        width: 50px;
        height: 50px;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .nav-toggle img{
        width: 24px;
        height: 24px;
    }
    .nav-toggle:hover{
        cursor: pointer;
    }
    .open .main-nav{
        display: flex;
        position: absolute;
        flex-direction: column;
        top: 50px;
        left: 0;
        width: 100%;
        background: white;
    }
    .open .side-nav{
        flex-direction: column;
        background: white;
        width: 100%;
        margin-left: 0;
    }
    .main-nav li{
        border-bottom: 1px solid rgb(218, 218, 218);
        background: rgb(249, 249, 249);
    }
    .main-nav li a{
        text-align: left;
        line-height: 50px;
        padding-left: 30px;
        font-size: 15px;
        display: block;
        width:100%;
    }
    .nav-item.case{
      margin-right: 0;
    }
    .nav-item.aboutus{
      padding-left: 0;
    }
    .main-nav .nav-item{
        width: 100%;
        text-align: center;
    }
    .main-nav .nav-item .sub-menu {
        position: relative;
        display: none;
        padding: 0;
        border-top: 1px solid rgb(218, 218, 218);
    }
    .main-nav .nav-item:hover .sub-menu{
        display: none;
    }
    .nav-fold{
      padding:0;
    }
    .main-nav .nav-fold.open{
      flex-direction: column;
    }
    .sub-menu-pc, .sub-menu-mobile{
      display: none;
    }
    .main-nav .sub-menu-mobile a{
      padding-left: 60px;
    }
    .nav-fold a{
      border-bottom: 1px solid rgb(218, 218, 218);
    }
    .main-nav .nav-fold.open .sub-menu-mobile{
      display: block;
      width: 100%;
    }
    .nav-item:hover .sub-menu-pc{
      display: none;
    }
    .main-nav .nav-item::after{
        border: none;
    }

    .nav-back{
        position: absolute;
        background-color: black;
        width: 100vw;
        height: 100vh;
        z-index: -1;
    }

    .copyright{
      padding: 20px 5px;
    }
    .beian{
      display: block;
    }
}