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100%;background-position:50%}.btn-blue[data-v-a4465f18]:hover{background-color:#639ef4!important;color:#fff!important}.text-ellipsis[data-v-a4465f18]{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.user[data-v-a4465f18]{width:260px;position:relative;text-align:left;height:64px;line-height:64px;z-index:3;background-color:#fff;padding-bottom:10px}.user .username-con[data-v-a4465f18]{height:94px;font-size:0}.user .username-con .name[data-v-a4465f18]{max-width:100px}.user .username-con .text[data-v-a4465f18]{height:14px;line-height:14px;margin-top:-20px}.user img[data-v-a4465f18]{border-radius:50%;width:64px;margin-right:20px}.user .list[data-v-a4465f18]{width:190px;box-shadow:0 2px 6px #000;position:absolute;background-color:#fff;z-index:1;top:74px}.user .list .item[data-v-a4465f18]{width:160px;height:40px;line-height:40px;margin:0 auto;border-bottom:1px solid #979797}.user .list 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100%;background-position:50%}.btn-blue[data-v-f863429e]:hover{background-color:#639ef4!important;color:#fff!important}.text-ellipsis[data-v-f863429e]{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}button[data-v-f863429e]{border:none;border-color:transparent;background-color:transparent}.courseware__page[data-v-f863429e]{min-height:calc(100vh - 180px);padding-top:74px;background-color:#f5f5f5}.banner__wrap[data-v-f863429e]{width:100%;height:396px;background-color:#fff;background-image:url(https://qn-sfe.yuketang.cn/o_1d0u41np22kr57usaj99t1p09.png);background-attachment:scroll;background-size:auto 100%;background-origin:initial;background-clip:initial;background-position:top;background-repeat:no-repeat}.courseware__info[data-v-f863429e]{margin:0 auto;padding:40px 0;width:990px}.courseware__header[data-v-f863429e]{display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-pack:justify;-webkit-justify-content:space-between;-ms-flex-pack:justify;justify-content:space-between;-webkit-box-align:center;-webkit-align-items:center;-ms-flex-align:center;align-items:center;margin:0 15px;padding-bottom:8px;border-bottom:1px solid #d8d8d8}.action[data-v-f863429e]{margin-left:15px;padding:5px 30px;color:#639ef4;font-size:16px;cursor:pointer;border:1px solid #639ef4;border-radius:18px/50%}.action[data-v-f863429e]:hover{color:#fff;background:#639ef4}.courseware__list[data-v-f863429e]{-webkit-box-pack:start;-webkit-justify-content:flex-start;-ms-flex-pack:start;justify-content:flex-start;-webkit-flex-wrap:wrap;-ms-flex-wrap:wrap;flex-wrap:wrap;width:100%}.courseware__list[data-v-f863429e],.item__wrap[data-v-f863429e]{display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-box-align:center;-webkit-align-items:center;-ms-flex-align:center;align-items:center}.item__wrap[data-v-f863429e]{-webkit-box-pack:center;-webkit-justify-content:center;-ms-flex-pack:center;justify-content:center;padding:20px 0 10px;width:33.33%}.card__item[data-v-f863429e]{width:300px;height:320px;background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.1);border-radius:2px}.card__item[data-v-f863429e]:hover{box-shadow:0 10px 20px rgba(0,0,0,.1)}.item__intro[data-v-f863429e]{box-sizing:border-box;padding:30px 24px;color:#9b9b9b;background:#f5f5f5;border:1px solid #d8d8d8}.item__intro[data-v-f863429e],.item__intro[data-v-f863429e]:hover{box-shadow:inset 0 0 20px rgba(0,0,0,.05)}.cover__wrap[data-v-f863429e]{width:100%;height:168px;overflow:hidden}.card--cover[data-v-f863429e]{display:block;width:100%;border-radius:2px 2px 0 0}.card__text[data-v-f863429e]{padding:10px 20px}.card--title[data-v-f863429e]{padding-bottom:5px;color:#000}.card__desc[data-v-f863429e]{color:#aaa}.card__buy[data-v-f863429e]{position:relative;padding:5px 0;height:90px;cursor:pointer;-webkit-perspective:1000px;perspective:1000px;-webkit-transform-style:preserve-3d;transform-style:preserve-3d;-webkit-transition:all .3s;transition:all .3s}.card__item:hover .card__buy .front[data-v-f863429e]{display:none}.card__item:hover .card__buy 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