.box{
    display: flex;
    align-items: center;
    flex-direction: column;
    background: linear-gradient(#cfe382, #84c852);
    background: -ms-linear-gradient(#cfe382, #84c852);
    background: -webkit-linear-gradient(#cfe382, #84c852);
    background: -moz-linear-gradient(#cfe382, #84c852);
}
.box .nav{
    background: url(../img/banner.jpg) no-repeat  center 0;
    width: 100%;
    height: 550px;
    margin: 0 auto;
    box-sizing: border-box;
    text-align: center;
}
.box .nav>p{
    margin-top: 247px;
    color: #fff;
    font-size: 50px;
}
.box .main{
    width: 1200px;
    display: flex;
    flex-direction: column;
}
.box .main .min-bin,.min-tab{
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 28px;
}
.box .main .min-bin{
    margin-bottom: 3px;
}
.box .main .min-bin>h2,.min-tab>h2{
    background-color: #61b43d;
    color: #fff;
    font-size: 26px;
    font-style: italic;
    text-align: center;
    width: 100%;
    line-height: 59px;
    border-top-left-radius:16px ;
    border-top-right-radius: 16px;
}
.box .main .min-bin >p{
    border-bottom-left-radius:16px ;
    border-bottom-right-radius: 16px;
    background-color: #fff;
    font-size: 18px;
    color: #004731;
    line-height: 30px;
    margin: 0px;
    padding: 29px  88px  39px 98px;
}
.box .main .min-tab{
    margin-bottom: 80px;
}
.box .main .min-tab table{
    display: flex;
    flex-direction: column;
    border-bottom-left-radius:16px ;
    border-bottom-right-radius: 16px;
    background-color: #fff;
    width: 1200px;
}
.box .main .min-tab table tr{
    display: flex;
    flex-direction: row;
    border-bottom: 2px solid #dddddd;
    padding: 28px 0px 19px;
    margin: 0px 29px;
}
.box .main .min-tab table tr:last-child{
    border-bottom:none;
    margin-bottom: 53px;
}
.box .main .min-tab table tr th{
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 25%;
    margin-right: 46px;
}
.box .main .min-tab table tr th .th-img{
    background: url(../img/book.jpg) no-repeat;
    width: 143px;
    height: 190px;
    margin-bottom: 26px;
}
.box .main .min-tab table tr th .th-wz{
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    text-align: left;

}
.box .main .min-tab table tr th .th-wz h2,span,p{
    color: #004731;
    margin-bottom: 14px;
    font-weight:normal;
}
.box .main .min-tab table tr th .th-wz h2{
    font-size: 22px;
    max-width: 247px;
    overflow: hidden;
    text-overflow:ellipsis;
    white-space: nowrap;
}
.box .main .min-tab table tr th .th-wz span{
    font-size: 16px;
    max-width: 247px;
    overflow: hidden;
    text-overflow:ellipsis;
    white-space: nowrap;
}
.box .main .min-tab table tr th .th-wz p{
    line-height: 18px;
    margin-bottom: 21px;
    width: 247px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
}
.box .main .min-tab table tr th .th-btn{
    cursor: pointer;
    color: #fff;
    background-color: #efa837;
    border-radius:4px ;
    font-size: 17px;
    width: 121px;
    line-height: 40px;
    font-weight:normal;
}