.banner{position: relative; width: 100%; height: 340px; background: url(../images/service_bg01.jpg) no-repeat center center;}
.banner-txt{
    position: absolute; top: 40px; right: 18%;
    width: 550px; color: #FFF; font-size: 16px; line-height: 1.8;
}
.banner-txt p{margin-bottom: 10px;}

.box-txt{
    width: 45%; font-size: 14px;
}
.box-txt p{margin-bottom: 10px;}
.box-txt p b{font-size: 16px;}