.bi_onchat {
    position: fixed;
    z-index: 999;
    right: 16px;
    top: 50%;
    margin-top: -155px;
    width: 66px;
}
.bi_onchat ul{
    padding: 0;
    margin: 0;
}
.bi_onchat ._item {
    width: 100%;
    height: 68px;
    position: relative;
    cursor: pointer;
    transition: all 0.5s;
}
.bi_onchat ._item .__inner {
    text-align: center;
    font-size: 12px;
    display: block;
    height: 68px;
    padding: 9px 0;
    overflow: hidden;
}
.bi_onchat ._item .__inner span {
    color: #ffffff;
	padding: 0;
	margin: 0;
    display: block;
    font-size: 12px;
    line-height: 2;
}
.bi_onchat .__inner img {
    width: 31px;
}
.bi_onchat .__handle {
    width: 290px;
    position: absolute;
    top: 0;
    right: 66px;
    display: none;
}
.bi_onchat .__handle .___pop {
    position: relative;
    -webkit-box-shadow: 0 0 10px 4px rgba(0, 0, 0, 0.1);
    box-shadow: 0 0 10px 4px rgba(0, 0, 0, 0.1);
    background-color: #ffffff;
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.bi_onchat .__handle .___pop::after {
    content: '';    
    width: 0;
    height: 0;
    border: 7px solid transparent;
    border-left-color: #fff;
    position: absolute;
    top: 50%;
    right: -13px;
	transform:translateY(-50%);
}
.bi_onchat .goback {
    height: 50px !important;
    display: block;
}
.bi_onchat .goback .__inner{
    height: 50px !important;
    display: flex;
    align-items: center;
    justify-content: center;
}
.bi_onchat ._item:hover>.__handle {
    display: block;
}
@media screen and (max-width: 991px) {
    .bi_onchat.webit{
        display: none;
    }
}
.bi_blank{
    display: block;
    width: 100%;
    overflow: hidden;
}
.bi_image {
    display: block;
    margin: 0;
    padding: 0;
    height: auto;
    overflow: hidden;
}

.bi_image img {
    display: block;
    width: 100%;
}
.bi_banner {
    display: block;
    margin: 0;
    padding: 0;
    height: auto;
    overflow: hidden;
    position: relative;
}

.bi_banner ._silder.notfull { padding: 0px; }
.bi_banner ._silder img {
    display: none;
    width: 100%;
    position: relative;
    z-index: 3;
}

.bi_banner ._silder img:first-child{ display: block; }
.bi_banner ._dots {
    height:16px;
    padding: 0 10px;
    position: absolute;
    left: 0;
    right: 0;
    bottom:20px;
    opacity: 0.8;
    text-align: center;
    z-index: 4;
}

.bi_banner ._dots span {
    display: inline-block;
    margin-left:6px;
}
.bi_banner ._dots.rectangle span {
    height:4px;
    width:16px;
}
.bi_banner ._dots.square span {
    height:10px;
    width:10px;
}
.bi_banner ._dots.round span {
    height:10px;
    width:10px;
    border-radius:10px;
}
.bi_banner ._dots.none{
    display: none !important;
}
.bi_banner .swiper-pagination-bullet{
    border-radius:unset;
}
.bi_banner .swiper-button-prev:after {
    content: '<';
    font-size: 36px;
    font-family: "宋体";
}

.bi_banner .swiper-button-next:after {
    content: '>';
    font-size: 36px;
    font-family: "宋体";
}

.bi_banner .swiper-button-next,.bi_banner .swiper-button-prev {
    position: absolute;
    top: 50%;
    width: calc(var(--swiper-navigation-size)/ 44 * 27);
    height: var(--swiper-navigation-size);
    margin-top: calc(-1 * var(--swiper-navigation-size)/ 2);
    z-index: 10;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--swiper-navigation-color,var(--swiper-theme-color))
}

.bi_banner .swiper-button-prev{
    left: 10px;
    right: auto
}

.bi_banner .swiper-button-next{
    right: 10px;
    left: auto
}

    .bi_poster{
        display: block;
        overflow: hidden;
    }
   .bi_poster ._title {
        text-align: center;
        margin-bottom: 50px;
        font-size: 18px;
   }
   .bi_poster ._title h2{
        font-size: 36px;
        font-weight: bold;
   }

   .bi_poster ._content {
       text-align: center
   }

   .bi_poster ul {
       display: flex;
       align-items: center;
       flex-wrap: wrap
   }

   .bi_poster ul ._item {
       position: relative;
       width: calc(100% / 3);
   }
   
   .bi_poster ul ._item a{
       display: grid;
       grid-template-columns: repeat(1, 1fr);
       grid-template-rows: repeat(2, 1fr);
       align-items: center;
       overflow: hidden;
       flex-direction:column-reverse;
   }

   .bi_poster ul ._item .text_box {
       width: 100%;
       display: inline-flex;
       align-items: center;
       flex-wrap: wrap;
       align-content: center;
       padding: 0 16.5%;
       box-sizing: border-box;
       z-index: 2
   }
   .bi_poster ul ._item .text_box h3 {
       width: 100%;
       font-size: 24px;
       margin: 0;
       text-align: center;
       font-weight: bold;
   }
   .bi_poster ul ._item .text_box span{
       width: 100%;
       font-size: 16px;
       margin: 0;
       text-align: center;
   }

   .bi_poster ul ._item .image_box img{
       width: 100%;
       transition: 0.4s;
   }
   .bi_poster ul ._item .image_box:hover img{
        transform: scale(1.04);
 }
  .bi_poster ul ._item:nth-child(2) .text_box{
    order: 2;
  }
  .bi_poster ul ._item:nth-child(2) .image_box{
    order: 1;
  }

   @media screen and (max-width: 1000px) {
       .bi_poster ._content {
           padding: 0
       }

       .bi_poster ul {
           margin-top: 15px
       }

       .bi_poster ul ._item {
           width: 100%;
       }
      .bi_poster ul ._item a{
           grid-template-columns: repeat(2, 1fr);
           grid-template-rows: repeat(1, 1fr)
       }

       .bi_poster ul ._item .text_box {
           padding: 0 5%
       }
   }
.bi_counter {
    overflow: hidden;
    display: block;
    padding: 20px 30px;
}

.bi_counter ul{
    width: 100%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0;
    margin: 0;
}

.bi_counter ._item {
    display: flex;
    align-items: center;
    justify-content: center;
}

.bi_counter ._item img {
    width: 30px;
    height: 30px;
    margin-right: 6px;
    border-radius: ;
}

.bi_counter ._number {
    display: flex;
    align-items: flex-end;
    font-weight: bold;
}

.bi_counter ._number h3 {
    font-size: 30px;
    margin: 0;
    padding: 0;
}

@media (max-width:991px) {
    .bi_counter{
        width: 100%;
        margin-bottom: 10px;
    }
    .bi_counter ul{
        flex-wrap: wrap;
    }

    .bi_counter ._item {
        width: 47%;
        margin: 10px 0;
        justify-content: flex-start;
    }
}