.c_head_back .c-head-content{padding:3.2vw 3.73333vw}.c_head_back .c-head-content .c-head-left,.c_head_back .c-head-content .c-head-right,.c_head_back .c-head-content .c-head-title{flex:1}.c_head_back .c-head-content .c-head-left{word-break:break-all}.c_head_back .c-head-content .c-head-left .c-head-left-click .iconfont{font-size:5.33333vw;padding-right:2.13333vw}.c_head_back .c-head-content .c-head-left .c-head-left-click span{font-size:3.73333vw}.c_head_back .c-head-content .c-head-title{font-size:3.73333vw;word-break:break-all}.c_head_back .c-head-content .c-head-right{font-size:3.73333vw}.v_change_qq{height:100%;background:#f1f1f1}.v_change_qq .v-change-info-content{padding:2.66667vw}.v_change_qq .v-change-info-content .v-change-info-form{background:#fff;border-radius:2.13333vw;overflow:hidden}.v_change_qq .v-change-info-content .v-change-info-form .v-change-info-form-item .v-change-info-form-item-box{padding:2.66667vw 4.26667vw}.v_change_qq .v-change-info-content .v-change-info-form .v-change-info-form-item .v-change-info-form-item-box .v-change-info-form-item-label{flex:1;color:#646566;text-align:left;font-size:3.73333vw}.v_change_qq .v-change-info-content .v-change-info-form .v-change-info-form-item .v-change-info-form-item-box .van-radio-group{flex:2;font-size:3.73333vw}.v_change_qq .v-change-info-content .v-change-info-form .v-change-info-form-item .van-cell .van-cell__title{margin-right:0;flex:1;color:#646566}.v_change_qq .v-change-info-content .v-change-info-form .v-change-info-form-item .van-cell .van-cell__value{flex:2;text-align:left}.v_change_qq .v-change-info-content .v-change-info-form .v-change-info-form-item .van-cell .van-cell__value .van-field__control{color:#969799}.v_change_qq .v-change-info-btn{margin-top:5.33333vw}