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<el-timeline>
                <el-timeline-item v-for="(item, i) in timeLineFilterData"
                                  :key="i"
                                  :timestamp="item.createdTime"
                                  placement="top">
                  <div slot="dot"
                       :class="i === 0 ? 'dot_top' : 'dot'">
                    <div :class="i === 0 ? 'little_dottop' : 'little_dot'"></div>
                  </div>
                  <div>
                    <p :style="{'font-size': '12px', 'color': i == 0 ? '#DF3C39' : ''}">{{`${item.typeName}（${item.createdName}）`}}</p>
                    <p style="margin-top: 8px">{{item.description}}</p>
                    <el-button size="mini"
                               v-for="(file, i) in item.files"
                               :key="i">{{file.fileName}}
                      <img src="~@/assets/images/download.png"
                           @click="downloadFile(file.url)"
                           class="download_img">
                    </el-button>
                  </div>
                </el-timeline-item>
              </el-timeline>

.timeline {
            width: 100%;
            height: calc(100% - 60px);
            overflow-y: auto;
            color: #ffffff;
            display: flex;

            >>> .el-timeline-item__dot {
              //margin-left: -0.7%;
              margin-left: 4%;
            }

            .dot {
              width: 16px;
              height: 16px;
              background: rgba(36, 130, 154, 0.27);
              border-radius: 50%;
              display: flex;
              align-items: center;
              justify-content: center;
            }

            .dot_top {
              width: 16px;
              height: 16px;
              background: rgba(223, 60, 57, 0.27);
              border-radius: 50%;
              display: flex;
              align-items: center;
              justify-content: center;
            }

            .little_dottop {
              width: 4px;
              height: 4px;
              background: #df3c39;
              border-radius: 50%;
            }

            .little_dot {
              width: 4px;
              height: 4px;
              background: #1b96ff;
              border-radius: 50%;
            }

            .download_img {
              width: 12px;
              margin-left: 12px;
            }

            >>> .el-timeline-item__node--normal {
              margin-left: -0.2%;
              width: 16px;
              height: 16px;
            }

            >>> .el-timeline-item__timestamp.is-top {
              margin-left: 3%;
              width: 100px;
              // width: 12%;
              text-align: right;
            }

            .el-timeline {
              margin-left: -10%;
              // width: 80% !important;
            }

            >>> .el-timeline-item__content {
              color: #cfedff;
              margin-left: 4%;
            }

            >>> .el-timeline-item__tail {
              margin-left: 4.7%;
              margin-top: 8px;
            }

            >>> .el-timeline-item__timestamp.is-bottom {
              margin-top: 0px;
              margin-left: 19%;
            }

            .el-button--mini,
            .el-button--mini.is-round {
              margin-top: 10px;
              background: rgba(24, 79, 137, 0.24);
              border-radius: 2px;
              border: none;
              padding-left: 9px;
              padding-right: 9px;
            }

            .isActive {
              .type {
                font-size: 12px;
                color: #df3c39;
              }
            }

            .isNoActive {
              .type {
                font-size: 12px;
                color: #cfedff;
              }
            }

            .typeContent {
              font-size: 14px;
              color: #cfedff;
            }
          }