.biaoti {
    width: 100%;
    text-align: center;
    color: white;

}
.biaoti h1 {
    font-size: 3rem;
    font-weight: bold;
}
.pa2_ul {
    width: 90%;
    margin: 0 auto;
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
}
.pa2_ul li {
    float: left;
    color: white;
    width: 24.9%;
    text-align: center;
    border-right: 1px solid white;
    padding: 2% 0;
}


.pa2_ul li:last-child {border: 0;}
.pa2_ul h3 {
    font-size: 2rem;
    margin-bottom: 5%;
    font-weight: bold;
}
.pa2_ul p {
    font-size: 1.5rem;
    line-height: 1.5em;
}
.main {
    position: absolute;
   
    left: 0;
    right: 0;
    bottom: 12%;
}
.biaoti {
    position: absolute;
    top: 11%;
}
.biaoti p {
    font-size: 1.8em;
    text-transform: uppercase;
}
/* .biaoti::after {
    position: absolute;
    content: '';
    width: 80px;
    height: 10px;
    background-color: #48bfed;
    left: 50%;
    bottom: -15px;
    margin-left: -40px;
    z-index: 1;   
} */
.wrapper {
    padding-left: 10%;
}
/* .item {color: white;} */

@media screen and (max-width:1500px)  {
    .biaoti h1 {font-size: 2vw;}
}