.all{
    background: #DBF2FF url(../images/sthjj_bg.png)top center no-repeat;
    /* background-size: 100% 100%; */
}
.header .logo{
    margin: 33px 0 54px 0;
}

.header .title{
    text-align: center;
}

.main{
    margin: 70px 0 48px 0;
    padding: 40px;
    background-color: #fff;
}

.main p{
    font-size: 20px;
    text-indent: 2em;
    line-height: 55px;
}

.content{
    padding-top: 60px;
}

.content li span{
    margin-bottom: 24px;
    padding: 0 10px;
    display: inline-block;
    line-height: 50px;
    background-color: #68AFE6;
    color: #fff;
    font-size: 20px;
    border-radius: 10px;
}

.content li+li{
    margin-top: 60px;
}
/* ===============响应式==================== */
@media screen and (max-width: 1200px) {
    .logo img{
        width: 70%;
    }

    .header .logo {
        margin: 20px 0px 20px 10px;
    }

    .header .title{
        margin: 0 10px;
    }

    .main{
        margin: 20px 0 48px 0;
        padding: 15px;
    }

    .main p{
        font-size: 16px;
        text-indent: 2em;
        line-height: 30px;
    }

    .content {
        padding-top: 20px;
    }

   .content li span{
        margin-bottom: 10px;
        padding: 0 10px;
        display: inline-block;
        line-height: 35px;
        font-size: 16px;
        border-radius: 5px;
   }

   .content li+li{
        margin-top: 20px;
    }
}