body{ background: #f8f9fb; max-width:640px; min-height:100%; height:auto;}
*{outline:none;box-sizing: border-box;}

.pc_help_list{padding: 0 0.26rem;background-color: #fff;}
.pc_help_list .list_c{display: flex; align-items: center; padding: 0.24rem 0; border-bottom: 1px solid #eee;}
.pc_help_list .list_c span{ display: flex; align-items: center;justify-content: center; width: 0.5rem; height: 0.5rem; color:#666; border:0.02rem solid #ddd; background-color: #f5f5f5; margin-right: 0.2rem;font-size: 0.24rem;border-radius: 50%;}
.pc_help_list .list_c h3{flex: 1; font-size: 0.24rem;}
.pc_help_list .list_c i {width:12px;height:12px;border-top:1px solid #999;border-right:1px solid #999;background:#fff;transform:rotate(45deg);-webkit-transform:rotate(45deg);display:inline-block;}


.about_content {font-size:0.26rem;line-height:1.76; padding:0.4rem 0.3rem; background-color: #fff; }
.about_content p{ text-indent: 0.6rem; margin-bottom: 0.2rem;}
.about_content img {width:100%;display:block;margin-top:4px;}