.pi_qua{background-color: #f2f2f3;}
.pi_qua_c{padding: 100px 0;}
.pi_qua_i{display: flex;justify-content: space-between;align-items: center;}
.pi_qua_l{width: 50%;padding: 0 0 200px 22%;}
.pi_qua_l>h1{font-size: 30px;color: var(--base);margin-bottom: 20px;}
.pi_qua_l>p{line-height: 2;color: #999;font-size: 16px;}
.pi_qua_i>img{width: 50%;}

.qua_prev,.qua_next{margin-top: 0;top: 60%;width: 46px;height: 46px;background-color: rgba(0,0,0,0.4);color: var(--base);border-radius: 50%;}
.qua_next:after, .qua_prev:after{font-size: 20px;}
.qua_prev{left: 22%;}
.qua_next{left: calc(22% + 66px);right: unset;}


@media screen and (max-width: 1200px) {

    .qua_prev, .qua_next{top: 80%;}
    .qua_prev{left: calc(60%);}
    .qua_next{left: calc(60% + 66px);}
    .pi_qua_i{flex-direction: column-reverse;}
    .pi_qua_i>img{width: 100%;}
    .pi_qua_l{width: 100%;padding: 2rem;margin-top: 4rem;}
    
    
}