.sy_jjfa {
    display: flex;
    flex-wrap: wrap;
    overflow: hidden;
    width: 100%;
    justify-content: space-between;
}

.jjfa {
    width: 100%;
}

.jjfa_list {
    width: calc(100% / 4);
    float: left;
    border-left: rgba(0, 0, 0, .2) 1px solid;
    height: 780px;
    cursor: pointer;
}

.jjfa_list01::after{
    content: "";
    position: absolute;
    width: 25%;
    height:100vh;
    left: 0;
    bottom: 0;
    background: rgb(0 63 151 / 69%);
    z-index: -1;
    opacity: 0;
}
.jjfa_list01:hover::after{
    opacity: 1;
}
.jjfa_list01:hover .jjfa_title{
    color:#fff;
}
.jjfa_list01:hover .jjfa_subtitle{
color:#fff;
}


.jjfa_list02::after{
    content: "";
    position: absolute;
    width: 25%;
    height: 100vh;
    left: 25%;
    bottom: 0;
    background: rgb(0 63 151 / 69%);
    z-index: -1;
    opacity: 0;
}
.jjfa_list02:hover::after{
    opacity: 1;
}
.jjfa_list02:hover .jjfa_title{
    color:#fff;
}
.jjfa_list02:hover .jjfa_subtitle{
color:#fff;
}


.jjfa_list03::after{
    content: "";
    position: absolute;
    width: 25%;
    height: 100vh;
    left: 50%;
    bottom: 0;
    background: rgb(0 63 151 / 69%);
    z-index: -1;
    opacity: 0;
}
.jjfa_list03:hover::after{
    opacity: 1;
}
.jjfa_list03:hover .jjfa_title{
    color:#fff;
}
.jjfa_list03:hover .jjfa_subtitle{
color:#fff;
}

.jjfa_list04::after{
    content: "";
    position: absolute;
    width: 25%;
    height: 100vh;
    left: 75%;
    bottom: 0;
    background: rgb(0 63 151 / 69%);
    z-index: -1;
    opacity: 0;
}
.jjfa_list04:hover::after{
    opacity: 1;
}
.jjfa_list04:hover .jjfa_title{
    color:#fff;
}
.jjfa_list04:hover .jjfa_subtitle{
color:#fff;
}

.jjfa_list05::after{
    content: "";
    position: absolute;
    width: 80%;
    height: 400px;
    left: 20%;
    bottom: 0;
    background: rgb(0 63 151 / 69%);
    z-index: -1;
    opacity: 0;
}
.jjfa_list05:hover::after{
    opacity: 1;
}

.jjfa_tb img{
    filter: hue-rotate(45deg);
}

.jjfa_list02 {
    border-right: rgba(255, 255, 255, .2) 1px solid;
}

.jjfa_list03 {
    border-bottom: rgba(255, 255, 255, .2) 1px solid;
}

.jjfa_list04 {
    border-bottom: rgba(255, 255, 255, .2) 1px solid;
    border-right: rgba(255, 255, 255, .2) 1px solid;
}

.jjfa_nr {
    width: 100%;
    float: left;
}

.jjfa_q01 {
width: 100%;
    float: left;
    margin-top: 70%;
    position: relative;
      transition: 0.5s;
}

.jjfa_list01:hover .jjfa_q01{
  margin-top:40%;    
  transition: 0.5s;
}
.jjfa_list01:hover img{
filter: brightness(0) invert(100%);
}

.jjfa_list02:hover .jjfa_q01{
  margin-top:40%;    
  transition: 0.5s;
}
.jjfa_list02:hover img{
filter: brightness(0) invert(100%);
}

.jjfa_list03:hover .jjfa_q01{
  margin-top:40%;    
  transition: 0.5s;
}
.jjfa_list03:hover img{
filter: brightness(0) invert(100%);
}

.jjfa_list04:hover .jjfa_q01{
  margin-top:40%;    
  transition: 0.5s;
}
.jjfa_list04:hover img{
filter: brightness(0) invert(100%);
}

.jjfa_list05:hover .jjfa_q01{
  margin-top:50%;    
  transition: 0.5s;
}

.jjfa_list01:hover .jjfa_niu{
      opacity: 1;
}

.jjfa_list02:hover .jjfa_niu{
      opacity: 1;
}

.jjfa_list03:hover .jjfa_niu{
      opacity: 1;
}

.jjfa_list04:hover .jjfa_niu{
      opacity: 1;
}

.jjfa_list05:hover .jjfa_niu{
      opacity: 1;
}

.jjfa_title {
    width: 100%;
    text-align: center;
    font-size: 32px;
    color: #000;
    margin-top: 20px;
}
.jjfa_subtitle{
    width: 70%;
    text-align: center;
    font-size: 16px;
    color: #000;
    margin: 35px auto;
}
.jjfa_niu{
    width: 100%;
    font-size: 14px;
    color: #fff;
    margin: 0 auto;
    opacity: 0;
    background: #ffffff45;
    text-align: center;
    line-height: 3;
    max-width: 150px;
}
.jjfa_tb {
    width: 100%;
    padding: 0 30px;
    float: left;
  text-align: center;
  margin-bottom: 50px;
}

.jjfa_bq {
    position: relative;
    width: 100%;
    float: left;
}

.jjfa_title01 {
    width: 100%;
    padding: 50px 0 0 30px;
    float: left;
    font-size: 24px;
    line-height: 36px;
}

.jjfa_sum {
    width: 100%;
    padding: 0px 30px 0 30px;
    float: left;
    font-size: 16px;
    line-height: 24px;
    height: 48px;
    overflow: hidden;
    margin-top: 10px;
    opacity: .5;
}

.jjfa_more {
    width: 100%;
    padding: 0px 0 0 30px;
    float: left;
    color: #fff;
    margin-top: 15px;
}

.jjfa_bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    transition: all ease .5s;
}

.jjfa_y {
    margin-top: 8%;
    margin-bottom: 8%;
    max-width: 500px;
    width: 50%;
    padding-top: 80px;
    padding-left: 20px;
}

.jjfa_y_title {
    width: 100%;
    font-size: 36px;
    color: #fff;
    line-height: 50px;
}

.jjfa_y_sum {
    width: 100%;
    font-size: 16px;
    color: rgba(255, 255, 255, .6);
    line-height: 28px;
    margin: 10px 0 0 0;
}

.jjfa_y_more {
    color: #fff;
    width: 100%;
    float: left;
    margin-top: 20px;
}

.sy_bg>div {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    right: 0;
    z-index: -2;
    transition: all ease .3s;
    background-size: cover !important;
}

.sy_jjfa::after{
    content: '';
    background: rgb(24 27 32);
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    right: 0;
    opacity: 0;
    z-index: -1;
}

.sy_jjfa:hover::after{
    content: '';
    background: rgb(24 27 32);
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    right: 0;
    opacity: 0;
    z-index: -1;
}


.sy_bg .jjfa_bg0 {
    background: url(../image/5ca3172c-3dc8-44bb-9fe6-72f5447fd30d.jpg) no-repeat center;
    background-attachment1: fixed;
    z-index: -3;
}

body[style="overflow: hidden;"] .sy_bg .jjfa_bg0 {
    background-attachment: inherit;
}

.jjfa_bg1 {
    background: url(../image/5ca3172c-3dc8-44bb-9fe6-72f5447fd30d.jpg) no-repeat center;
    background-attachment1: fixed;
    opacity: 0;
}

.jjfa_bg2 {
    background: url(../image/f31e2fc8-83ea-4526-82a2-bebac00cc41e.jpg) no-repeat center top;
    background-attachment1: fixed;
    opacity: 0;
}


.jjfa_bg3 {
    background: url(../image/bd32ea88-0c92-4f20-9ab6-02953b051545.jpg) no-repeat center top;
    background-attachment1: fixed;
    opacity: 0;
}

.jjfa_bg4 {
    background: url(../image/992ed03e-50db-4bc3-b71f-82558ee6874a.jpg) no-repeat center top;
    background-attachment1: fixed;
    opacity: 0;
}

.jjfa_bg5 {
    background: url(../image/316bd191-6f2f-4098-a08b-5b076595add2.jpg) no-repeat center;
    background-attachment1: fixed;
    opacity: 0;
}

.sy_bg>div.a {
    opacity: 1;
}

.jjfa_list01:hover .sy_bg::after{    opacity: 0;}

.jjfa_list01:hover .niu {
    opacity: 1;
}

.jjfa_list02:hover .niu {
    opacity: 1;
}

.jjfa_list03:hover .niu {
    opacity: 1;
}

.jjfa_list04:hover .niu {
    opacity: 1;
}

.jjfa_list05:hover .niu {
    opacity: 1;
}

@media only screen and (max-width:768px) {
  
  .jjfa_subtitle{
      margin: 0 auto;
      font-size: 14px;
    color: #afafaf;
  }
  
  .jjfa_tb{
      margin-bottom: 0; 
  }
  
    .jjfa_y {
        margin-left: 0;
        width: 100%;
        padding: 0;
    }

    .sy_jjfa {
        margin-top: 0px;
        display: flex;
        flex-wrap: wrap-reverse;
    }

    .jjfa {
        width: 100%;
        float: left;
        margin-top: 0;
        margin-left: 0;
        margin-bottom: 12%;
    }

    .jjfa_y_sum {
        padding-right: 20px;
        font-size: 15px;
        line-height: 1.5;
        margin: 0;
    }

    .jjfa_list {
        height: 240px;
      width:100%;
    }

  
  .jjfa_q01{
  margin-top:0;
  }
    .jjfa_q02 {
        height: 240px;
    }

    .jjfa_title {
        margin-top: 10px;
        font-size: 22px;
        padding-left: 20px;
        padding-right: 20px;
    }
  .jjfa_subtitle{
  padding-left:20px;
  }
    .jjfa_tb {
        padding: 0;
    }

    .jjfa_tb img {
        max-width: 50px;
    }

    .jjfa_title01 {
        padding: 25px 0 0 20px;
        font-size: 16px;
        line-height: 1;
    }

    .jjfa_sum {
        padding: 0px 20px 0 20px;
        font-size: 13px;
        line-height: 20px;
        height: auto;
    }

    .jjfa_more {
        padding: 0px 0 0 20px;
    }

    .jjfa_bg {
        position: absolute;
    }

    .jjfa_y_title {
        font-size: 26px;
    }
}