.top_back{ 
    margin: auto;
    background-image: url(https://imgbdb3.bendibao.com/ycbdb/20258/05/2025805183925_61090.png);
    background-position: center;
    background-size: 1920px auto;
    /* background-size: 100% 250px ; */
    height: 250px;
    background-repeat: no-repeat;  
    width: 100%;
}
 
.top_back .top_info{
    width: 1200px;
    margin: auto;
    height: 250px;
    display: flex;
    flex-direction: column;
    align-items: left;
    justify-content: center;
}
.top_back .top_info .title .time{
    color: #ffe641;
}
.top_back .top_info .title{
    width: fit-content;
    max-width: 860px;
    margin: 0;
    border: none;
    color: #ffffff;
    text-shadow: 0 4px 8px #085edf99;
    font-family: "Microsoft YaHei";
    font-size: 58px;
    font-style: normal;
    font-weight: Bold;
    line-height: normal;
    letter-spacing: 2.6px;
}

.top_back .top_info .tips{
    width: fit-content;
    height: 40px; 
    line-height: 40px;
    font-size: 16px;
    color: #44a457;
    border-radius: 6px;
    background: #FFF;
    padding: 0px 17px;
    margin-top: 12px;
}

.ad_box{
    margin-bottom: 20px;
    position: relative;
}

.fuli_title {
    position: absolute;
    top: 35px;
    left: 20px;
    color: #ffffff;
    text-shadow: 0 1px 4px #217529;
    font-family: "Microsoft YaHei";
    font-size: 30px;
    font-style: normal;
    font-weight: 700;
    line-height: normal;
    letter-spacing: 1.32px;
   }

.fuli_btn {
    position: absolute;
    top: 90px;
    left: 20px;
    color: #44a456;
    font-family: "Microsoft YaHei";
    font-size: 14px;
    font-style: normal;
    font-weight: 700;
    line-height: 30px;
    letter-spacing: 0.56px;
    width: 112.34px;
    height: 30.17px;
    flex-shrink: 0;
    border-radius: 6px;
    background: #FFF;
    text-align: center;
   }