.footer{line-height:50px;text-align:center;font-size:12px;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}.footer,.footer a{color:#90939a}.footer a:hover{text-decoration:underline}.footer.whitebg{background-color:#fff;color:#fff}.footer.whitebg a{color:#fff}.version-main{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;-webkit-box-align:center;-ms-flex-align:center;align-items:center;min-width:1200px}.version-main .version-header{background-color:#fff;height:60px;width:100%;padding-left:calc(50% - 600px);padding-top:14px}.version-main .version-content{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;margin-top:20px;width:1200px;background-color:#fff;min-height:calc(100vh - 130px)}.version-main .version-content .conetnt-img{background:url(../img/banner.06b796a8.png) no-repeat 50%/contain;height:246px;width:100%}.version-main .version-content .content-paragraph{margin:0 100px 50px}.version-main .version-content .content-paragraph .single-version{margin-top:50px}.version-main .version-content .content-paragraph .single-version h2{font-size:20px}.version-main .version-content .content-paragraph .single-version dl,.version-main .version-content .content-paragraph .single-version dt,.version-main .version-content .content-paragraph .single-version p{font-size:14px;color:#606266}.version-main .version-content .content-paragraph .single-version dl,.version-main .version-content .content-paragraph .single-version p{padding-top:12px}.version-main .version-content .content-paragraph .single-version dt span{padding:2px 5px;color:#888a8e}