@media screen and (max-width: 750px){
.part-qh .topic span.on{color: #ac151a;}
.topiclist{}
.part-qh .topic{border-radius: 0;position: relative;box-shadow:none;}
.part-qh .topic span i{display: block;background-size: cover;
    margin: 2vw auto 0vw auto;
    width: 10vw;height: 10vw;}
.part-qh .topic span img{display: block;
    margin: 2vw auto 0vw auto;
    width: 10vw;}
.qh1,.qh2,.qh3,.qh4,.qh5,.qh6,.qh7{
float: left;
    float: left;
    width: 21vw !important;
    margin-right: 3.2vw;
    margin-bottom: 3vw;
    height: 21vw;
    border: none !important;    text-align: center;}

.qh7{
position: absolute;
    right: 0;
    top: 0;
    height: 45vw;
    margin-right: 0;}
.qh7 img{margin: 13vw auto 0vw auto !important;}
.qh7 i{margin: 13vw auto 0vw auto !important;}
.qh1{background: #dcf0e5 !important;}
.qh2{background: #edf1f4 !important;}
.qh3{background: #f3e1e1 !important;}
.qh4{background: #e8ebfc !important;}
.qh5{background: #f4ebd9 !important;}
.qh6{background: #f0f4da!important;}
.qh7{background: #daf3ef !important;}
.qh1 i{background: url(images/qhico_1a.png) center no-repeat;}
.qh2 i{background: url(images/qhico_2a.png) center no-repeat;}
.qh3 i{background: url(images/qhico_3a.png) center no-repeat;}
.qh4 i{background: url(images/qhico_4a.png) center no-repeat;}
.qh5 i{background: url(images/qhico_5a.png) center no-repeat;}
.qh6 i{background: url(images/qhico_6a.png) center no-repeat;}
.qh7 i{background: url(images/qhico_7a.png) center no-repeat;}
.qh1.on i{background: url(images/qhico_1b.png) center no-repeat;}
.qh2.on i{background: url(images/qhico_2b.png) center no-repeat;}
.qh3.on i{background: url(images/qhico_3b.png) center no-repeat;}
.qh4.on i{background: url(images/qhico_4b.png) center no-repeat;}
.qh5.on i{background: url(images/qhico_5b.png) center no-repeat;}
.qh6.on i{background: url(images/qhico_6b.png) center no-repeat;}
.qh7.on i{background: url(images/qhico_7b.png) center no-repeat;}
}
input::placeholder{color: #fff;}
input::-webkit-input-placeholder{color: #fff;}
input::-moz-placeholder{color: #fff;}
input::-ms-input-placeholder{color: #fff;}