.useReceiptSign-container .protocol-content[data-v-51248e2a]{width:80%;margin:0 auto;position:relative;padding-bottom:80px}.useReceiptSign-container .pdf-content[data-v-51248e2a]{height:calc(100vh - 280px);overflow:auto}.useReceiptSign-container .contract-footer[data-v-51248e2a]{position:absolute;bottom:0;width:100%}.useReceiptSign-container .contract-footer .footer-operate[data-v-51248e2a]{text-align:center;margin-top:32px}.useReceiptSign-container .contract-footer .footer-operate .footer-item[data-v-51248e2a]{margin-right:24px;margin-left:0}.useReceiptSign-container .contract-preview[data-v-51248e2a]{width:100%;min-height:70vh}