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.survey-head{position:relative;width:100%;height:auto;background:url(../img/001_05.png) 50% no-repeat;background-size:contain;background-position:top}.c-main .center .survey-body{position:relative;width:100%;min-height:555px;padding:0 15%;box-sizing:border-box;background-size:contain;background-position:top}.c-main .center .survey-foot{position:relative;width:100%;height:auto;background:url(../img/001_11.png) 50% no-repeat;background-size:contain;background-position:top}.comm{width:100%}}