.explain{background-color:#fafafa}.explain .explain_box{background-color:#fff}.explain .explain_top{width:100vw;height:58px}.explain .explain_top>img{width:100%;height:100%}.explain .explain_title{padding-left:16px}.explain .explain_title>span{display:inline-block;height:48px;line-height:48px;font-size:15px;font-family:PingFangSC-Medium,PingFang SC;font-weight:700;color:#575757;border-bottom:1px solid #f0f0f0;width:100vw}.explain .explain_content{padding-bottom:10px;padding-left:16px}.explain .explain_content .ivu-input-wrapper{padding:6px 0}.explain .explain_content .ivu-input-wrapper .ivu-input{resize:none;padding:0;font-size:15px;height:120px;border:none}.explain .explain_content .ivu-input-wrapper .ivu-input:focus{-webkit-box-shadow:none;box-shadow:none}.explain .explain_content .ivu-input-wrapper .ivu-input::-webkit-input-placeholder{font-size:15px;font-family:PingFangSC-Regular,PingFang SC;font-weight:400;color:#d2d2d2;line-height:24px}.explain .explain_content .ivu-input-wrapper .ivu-input::-moz-placeholder{font-size:15px;font-family:PingFangSC-Regular,PingFang SC;font-weight:400;color:#d2d2d2;line-height:24px}.explain .explain_content .ivu-input-wrapper .ivu-input::-ms-input-placeholder{font-size:15px;font-family:PingFangSC-Regular,PingFang SC;font-weight:400;color:#d2d2d2;line-height:24px}.explain .explain_content .ivu-input-wrapper .ivu-input::placeholder{font-size:15px;font-family:PingFangSC-Regular,PingFang SC;font-weight:400;color:#d2d2d2;line-height:24px}.explain .explain_content .ivu-input-wrapper .ivu-input-word-count{font-size:14px;color:#d2d2d2;line-height:24px}.explain .explain_btn{width:342px;height:48px;background:#1290ff;border-radius:4px;display:block;position:fixed;bottom:34px;left:calc((100vw - 342px)/2)}