.letter_preview[data-v-66ea6012]{padding:15px;background-color:rgba(0,0,0,.8)}.letter_preview .inner_preview[data-v-66ea6012]{display:inline-flex;flex-direction:column;position:relative;width:100%;max-height:calc(100vh - 100px);min-height:100px;padding:40px 0 60px;border-radius:18px;background-color:#fff;white-space:normal;vertical-align:middle;box-sizing:border-box;text-align:center}.letter_preview .layer_head[data-v-66ea6012]{padding:0 66px 20px}.letter_preview .layer_head .tit_layer[data-v-66ea6012]{font-weight:700;font-size:24px;line-height:46px;color:#333}.letter_preview .layer_body[data-v-66ea6012]{overflow-y:auto;max-height:500px;padding:0 66px;font-weight:600;text-align:left}