.banner-style {
    width: 100%;
}

.banner-img {
    width: 100%;
    height: 100%;
}

.first-nav-box {
    height: 74px;
    line-height: 74px;
    padding: 0 20px;
    font-size: 16px;
    border-bottom: 1px solid #e0e0e0;
}

.first-nav-box .nav-a:hover {
    color: #0088d4;
}

.nav-a {
    display: inline-block;
    /* width: 100px; */
    color: #33383a;
}

.active-a {
    color: #0088d4;
}

.second-nav-box {
    display: flex;
    margin-top: 57px;
    padding: 0 20px;
    margin-bottom: 80px;
}

.second-nav-item {
    width: 180px;
    height: 50px;
    margin-right: 18px;
    line-height: 50px;
    text-align: center;
    background-color: #f5f7fb;
}

.second-nav-item:hover {
    background-color: #0088d4;
}

.second-nav-item:hover a {
    color: #ffffff;
}

.second-nav-item a {
    color: #33383a;
    font-size: 16px;
}

.active-second-nav {
    background-color: #0088d4;
}

.active-second-nav a {
    color: #ffffff;
}

.list-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    /* padding: 0 20px; */
    margin-bottom: 60px;
}

.list-item-box {
    width: 49.16%;
    overflow: hidden;
    /* height: 570px; */
    padding-bottom: 30px;
    margin-bottom: 20px;
    background-color: #ffffff;
    border: solid 1px #e1e8eb;
    color: #33383a;
}

/* .list-item-box:hover {
    background-color: #f8f8f8;
} */

/* .list-item-box:hover img {
    transform: scale(1.05);
    transition: all 0.5s ease-in-out;
} */

.list-item-box img {
    display: block;
    width: 94.9%;
    /* height: 360px; */
    margin: 0 auto;
}

.list-item-box .title-style {
    width: 87.8%;
    margin: 10px auto;
    font-size: 26px;
}

.list-item-box .content-text {
    /* height: 60px; */
    width: 87.8%;
        margin: 10px auto;
    font-size: 14px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
}

.list-item-box a {
    display: block;
    width: 87.8%;
    margin: 0 auto;
     /* padding-bottom: 10px; */
    font-size: 16px;
    color: #0088d4;
}
.small-view{
    display: none;
}
.big-view{
    display: block;
}
@media screen and (max-width:1366px) {
    .flex-between,.second-nav-box,.list-box {
        width: 80%;
    }
    .list-item-box .title-style{
        font-size: 23px;
    }
    .second-nav-box{
        margin-top: 50px;
        margin-bottom: 60px;
    }
    .second-nav-item{
    width: 150px;
    height: 45px;
    line-height: 45px;
    
    }
    .nav-a,.second-nav-item a{
        font-size: 15px;
    }
}
@media  screen and (max-width:1280px) {
    .first-nav-box {
        height: 55px;
        line-height: 55px;
    }
    .list-item-box .title-style{
        font-size: 18px;
    }
    .list-item-box a {
        font-size: 14px;
    }
}
/* 媒体查询（手机） */

@media screen and (max-width: 992px) {
    .flex-between,.second-nav-box,.list-box {
        width: 95%;
    }
    .second-nav-box {
        padding: 0 20px;
    }
    .flex-between{
        display: block;
    }
    .first-nav-box {
        padding: 0 20px;
    }
    .small-view{
        display: block;
    }
    .big-view{
        display: none;
    }
    .list-box {
        justify-content: center;
    }
    .list-item-box {
        width: 90%;
    }
    .list-item-box .title-style {
        font-size: 16px;
    }
    .nav-a {
        width: 18%;
        margin-right: 18px;
        font-size: 14px;
    }
    .first-nav-box {
        height: 100px;
        line-height: 49px;
        font-size: 14px;
    }
    .second-nav-item a {
        font-size: 14px;
    }
    .second-nav-item {
        width: 140px;
        height: 40px;
        margin-right: 14px;
        line-height: 40px;
    }
    
    .second-nav-box {
        margin-top: 30px;
        margin-bottom: 30px;
    }
 
  
 
    .list-box {
        display: block;
    }
    .list-item-box {
        width: 80%;
        margin: 0 auto 20px auto;
    }
}


/* 媒体查询（平板） */
/* 
@media screen  and (max-width: 992px) {
   
    .second-nav-box {
        padding: 0 20px;
    }
    .first-nav-box {
        padding: 0 20px;
    }
    .list-box {
        justify-content: center;
    }
} */