.introduction-to-features{background: #f1f1f1;}
.introduction-to-features ul{display: flex;justify-content: space-between;}
.introduction-to-features ul li{width: 380px;margin: 0;border: 1px solid #eee;border-top: 5px solid #b40026;border-bottom: 5px solid #b40026;padding: 20px;box-sizing: border-box;color: #333;background: #fff;}
.introduction-to-features ul li img{display: block;height: 64px;margin-bottom: 10px;}
.introduction-to-features ul li .int-fea-title{font-size: 18px;line-height: 25px;word-break: break-all;}
.introduction-to-features ul li .int-fea-content{font-size: 14px;word-break: break-all;}

@media screen and (max-width:768px){
    .introduction-to-features ul{display: block;}
    .introduction-to-features ul li{width: 100%;margin-bottom: 20px;padding: 15px;}
    .introduction-to-features ul li:last-child{margin-bottom: 0px;}
    .introduction-to-features ul li img{margin-bottom: 5px;height: 50px;}
    .introduction-to-features ul li .int-fea-title{font-size: 14px;margin-bottom: 3px;}
    .introduction-to-features ul li .int-fea-content{font-size: 12px;}
}