.weixin-tip[data-v-1d9e280c]{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.9);z-index:9999;display:flex;justify-content:flex-end;padding-top:20px;padding-right:20px}.content[data-v-1d9e280c]{color:#fff;text-align:right;font-size:18px;line-height:1.5;padding-right:30px;position:relative}.highlight[data-v-1d9e280c]{color:#409eff;font-weight:700}.arrow[data-v-1d9e280c]{position:absolute;top:-10px;right:10px;width:50px;height:50px;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg viewBox='0 0 1024 1024' xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cpath d='M625.088 162.24c-3.072-4.032-7.872-6.464-12.992-6.592a16.576 16.576 0 0 0-13.376 5.568L378.624 384.32a16.576 16.576 0 0 0 23.68 23.232l178.688-182.08a60.16 60.16 0 0 0-.64-85.12l-.256-.256c-.832-.96-1.664-1.792-2.496-2.624l47.424-46.464a126.72 126.72 0 0 1 .64 178.88l-282.88 288a16.576 16.576 0 0 0 23.488 23.36l282.88-288a160.192 160.192 0 0 0-.768-226.048l-47.424 46.464c3.52 4.288 8.32 6.976 13.632 7.616z' fill='%23fff'/%3E%3Cpath d='M867.84 64H156.16C105.28 64 64 105.28 64 156.16v711.68c0 50.88 41.28 92.16 92.16 92.16h711.68c50.88 0 92.16-41.28 92.16-92.16V156.16C960 105.28 918.72 64 867.84 64zm25.6 803.84c0 14.08-11.52 25.6-25.6 25.6H156.16c-14.08 0-25.6-11.52-25.6-25.6V156.16c0-14.08 11.52-25.6 25.6-25.6h711.68c14.08 0 25.6 11.52 25.6 25.6v711.68z' fill='none'/%3E%3Cpath d='m768 249.6-46.4-46.4c-30.72-30.72-80.64-30.72-111.36 0l-282.88 288a49.92 49.92 0 0 0 70.4 70.4l282.88-288c11.52-11.52 11.52-30.08 0-41.6-11.52-11.52-30.08-11.52-41.6 0L356.16 514.24a16.64 16.64 0 0 1-23.68-23.36l282.88-288c30.72-30.72 80.64-30.72 111.36 0L768 249.6z' fill='%23fff'/%3E%3C/svg%3E");background-size:contain;background-repeat:no-repeat;transform:rotate(-45deg)}#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50}.question-list[data-v-1969e8e5]{min-height:100vh;background:#f5f5f5;padding-bottom:20px}.header[data-v-1969e8e5]{background:#409eff;color:#fff;padding:15px 20px;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px rgba(0,0,0,.1)}.header h1[data-v-1969e8e5]{margin:0;font-size:20px;font-weight:700}.filter-bar[data-v-1969e8e5]{background:#fff;padding:16px 20px;margin:10px 15px 0;border-radius:12px;box-shadow:0 2px 8px rgba(0,0,0,.06)}.filter-bar[data-v-1969e8e5] .el-form{margin:0;display:flex;align-items:center;flex-wrap:wrap;gap:10px}.filter-bar[data-v-1969e8e5] .el-form-item{margin:0}.filter-bar[data-v-1969e8e5] .el-form-item:first-child,.filter-bar[data-v-1969e8e5] .el-form-item:nth-child(2){min-width:140px}.filter-bar[data-v-1969e8e5] .el-form-item:last-child{flex:1}.filter-bar[data-v-1969e8e5] .el-input{width:100%}.question-cards[data-v-1969e8e5]{padding:15px;min-height:400px}.question-card[data-v-1969e8e5]{background:#fff;border-radius:12px;overflow:hidden;margin-bottom:15px;box-shadow:0 2px 8px rgba(0,0,0,.08);cursor:pointer;transition:all .3s}.question-card[data-v-1969e8e5]:active{transform:scale(.98)}.card-cover[data-v-1969e8e5]{position:relative;width:100%;height:200px;overflow:hidden;background:#f0f0f0}.card-cover img[data-v-1969e8e5]{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.no-cover[data-v-1969e8e5]{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:60px;color:#ccc}.play-icon[data-v-1969e8e5]{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;background:rgba(0,0,0,.6);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:30px}.card-content[data-v-1969e8e5]{padding:15px}.card-title[data-v-1969e8e5]{font-size:16px;font-weight:700;color:#333;margin-bottom:10px;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;line-height:1.5}.card-meta[data-v-1969e8e5]{margin-bottom:10px;display:flex;align-items:center;flex-wrap:wrap;gap:5px}.chapter[data-v-1969e8e5]{font-size:12px;color:#999;margin-left:5px}.card-footer[data-v-1969e8e5]{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:#999}.teacher i[data-v-1969e8e5]{margin-right:3px}.pagination[data-v-1969e8e5]{display:flex;justify-content:center;padding:20px 0}@media (max-width:768px){.filter-bar[data-v-1969e8e5] .el-form{flex-direction:column;align-items:stretch}.filter-bar[data-v-1969e8e5] .el-form-item{margin-right:0;margin-bottom:12px;width:100%;min-width:0!important}.filter-bar[data-v-1969e8e5] .el-form-item__content{width:100%}.filter-bar[data-v-1969e8e5] .el-form-item:last-child{margin-bottom:0}.filter-bar[data-v-1969e8e5] .el-input,.filter-bar[data-v-1969e8e5] .el-select{width:100%!important}.card-cover[data-v-1969e8e5]{height:180px}}.question-upload[data-v-4c5f62cc]{min-height:100vh;background:#f5f5f5;padding-bottom:20px}.header[data-v-4c5f62cc]{background:#409eff;color:#fff;padding:15px 20px;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px rgba(0,0,0,.1)}.header h1[data-v-4c5f62cc]{margin:0;font-size:20px;font-weight:700}.form-container[data-v-4c5f62cc]{max-width:800px;margin:20px auto;background:#fff;padding:20px;border-radius:12px;box-shadow:0 2px 8px rgba(0,0,0,.08)}.image-upload .tip[data-v-4c5f62cc]{color:#999;font-size:12px;margin-top:10px}.cover-upload[data-v-4c5f62cc],.video-upload[data-v-4c5f62cc]{width:100%;overflow:hidden}.cover-upload[data-v-4c5f62cc] .el-upload,.video-upload[data-v-4c5f62cc] .el-upload{width:100%}.cover-upload[data-v-4c5f62cc] .el-upload-dragger,.video-upload[data-v-4c5f62cc] .el-upload-dragger{width:100%;max-width:100%;box-sizing:border-box}.cover-preview[data-v-4c5f62cc],.video-preview[data-v-4c5f62cc]{text-align:center}.cover-preview img[data-v-4c5f62cc]{max-width:100%;max-height:300px;border-radius:8px}@media (max-width:768px){.form-container[data-v-4c5f62cc]{margin:15px;padding:15px}.el-form[data-v-4c5f62cc] .el-form-item__label{font-size:14px}}.question-detail[data-v-2dd00c73]{min-height:100vh;background:#f5f5f5;padding-bottom:20px}.header[data-v-2dd00c73]{background:#409eff;color:#fff;padding:15px 20px;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:100;box-shadow:0 2px 8px rgba(0,0,0,.1)}.header h1[data-v-2dd00c73]{margin:0;font-size:20px;font-weight:700}.content[data-v-2dd00c73]{max-width:800px;margin:0 auto;padding:15px}.detail-container[data-v-2dd00c73]{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.08)}.video-player[data-v-2dd00c73]{width:100%;background:#000}.question-info[data-v-2dd00c73]{padding:20px}.title[data-v-2dd00c73]{font-size:20px;font-weight:700;color:#333;margin:0 0 15px 0;line-height:1.5}.meta[data-v-2dd00c73]{margin-bottom:20px;display:flex;gap:8px;flex-wrap:wrap}.info-item[data-v-2dd00c73]{margin-bottom:15px;padding-bottom:15px;border-bottom:1px solid #f0f0f0}.info-item[data-v-2dd00c73]:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.info-item .label[data-v-2dd00c73]{font-size:14px;color:#999;margin-bottom:5px}.info-item .value[data-v-2dd00c73]{font-size:15px;color:#333}.images-section[data-v-2dd00c73]{margin:20px 0}.images-section .label[data-v-2dd00c73]{font-size:14px;color:#999;margin-bottom:10px}.images-grid[data-v-2dd00c73]{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:10px}.question-image[data-v-2dd00c73]{width:100%;height:100px;border-radius:8px;cursor:pointer}.actions[data-v-2dd00c73]{padding:20px 40px;display:flex;gap:10px;border-top:1px solid #f0f0f0}.actions .el-button[data-v-2dd00c73]{flex:1}.actions[data-v-2dd00c73] .el-button+.el-button{margin-left:0}.qrcode-container[data-v-2dd00c73]{text-align:center;padding:20px;min-height:200px}.qrcode-content[data-v-2dd00c73]{display:flex;flex-direction:column;align-items:center}.qrcode-image[data-v-2dd00c73]{max-width:300px;width:100%;border:1px solid #eee;border-radius:8px;padding:10px}.qrcode-tip[data-v-2dd00c73]{color:#666;margin:15px 0}@media (max-width:768px){.content[data-v-2dd00c73]{padding:0}.detail-container[data-v-2dd00c73]{border-radius:0}.actions[data-v-2dd00c73]{flex-direction:column;padding:20px 30px}}