.course-card[data-v-1cfbe614]{width:calc(25% - 15px);min-width:220px;background:#fff;border-radius:8px;overflow:hidden;cursor:pointer;box-shadow:0 2px 8px rgba(0,0,0,.08);transition:all .3s}.course-card[data-v-1cfbe614]:hover{transform:translateY(-4px);box-shadow:0 6px 16px rgba(0,0,0,.12)}.card-cover[data-v-1cfbe614]{position:relative;height:160px;overflow:hidden}.card-cover .cover-img[data-v-1cfbe614]{display:block;width:100%;height:100%}.card-cover .cover-fallback[data-v-1cfbe614]{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;width:100%;height:100%;background:linear-gradient(135deg,#f5f7fa,#e8edf4)}.card-cover .cover-fallback i[data-v-1cfbe614]{font-size:36px;color:#c0c7d0}.card-cover .cover-fallback span[data-v-1cfbe614]{font-size:12px;color:#a8b0bb;letter-spacing:2px}.card-cover .card-tag[data-v-1cfbe614]{position:absolute;top:8px;left:8px;padding:2px 8px;background:rgba(23,135,251,.9);color:#fff;font-size:12px;border-radius:4px}.card-info[data-v-1cfbe614]{padding:12px 16px}.card-title[data-v-1cfbe614]{font-size:15px;font-weight:600;color:#333;margin:0 0 6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.card-theme[data-v-1cfbe614]{display:inline-block;vertical-align:1px;margin-right:6px;padding:1px 6px;background:rgba(23,135,251,.08);color:#1787fb;font-size:11px;font-weight:400;border-radius:3px}.card-desc[data-v-1cfbe614]{font-size:13px;color:#999;margin:0 0 10px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.card-meta[data-v-1cfbe614]{display:flex;align-items:center;justify-content:space-between}.card-meta .meta-price[data-v-1cfbe614]{font-size:18px;font-weight:700;color:#ff5722}.card-meta .meta-free[data-v-1cfbe614]{font-size:14px;color:#4caf50;font-weight:600}.card-meta .meta-duration[data-v-1cfbe614]{font-size:12px;color:#bbb;display:inline-flex;align-items:center;gap:3px}.card-meta .meta-duration i[data-v-1cfbe614]{font-size:13px}.card-meta .meta-students[data-v-1cfbe614]{font-size:12px;color:#bbb}.card-progress[data-v-1cfbe614]{margin-top:10px;display:flex;align-items:center;gap:8px}.card-progress .el-progress[data-v-1cfbe614]{flex:1}.card-progress .progress-text[data-v-1cfbe614]{font-size:12px;color:#999;white-space:nowrap}@media(max-width:992px){.course-card[data-v-1cfbe614]{width:calc(33.333% - 14px);min-width:0}}@media(max-width:768px){.course-card[data-v-1cfbe614]{width:calc(50% - 6px);min-width:0}.course-card .card-cover[data-v-1cfbe614]{height:120px}.course-card .card-info[data-v-1cfbe614]{padding:10px 12px}.course-card .card-title[data-v-1cfbe614]{font-size:14px}.course-card .card-desc[data-v-1cfbe614]{display:none}.course-card .card-meta[data-v-1cfbe614]{flex-wrap:wrap;gap:4px 10px}.course-card .card-meta .meta-students[data-v-1cfbe614]{display:none}}@media(max-width:480px){.course-card[data-v-1cfbe614]{width:100%}.course-card .card-cover[data-v-1cfbe614]{height:0;padding-top:56.25%;position:relative}.course-card .card-cover .cover-fallback[data-v-1cfbe614],.course-card .card-cover .cover-img[data-v-1cfbe614]{position:absolute;inset:0}.course-card .card-desc[data-v-1cfbe614]{display:block;white-space:normal;line-height:1.5;max-height:3em;overflow:hidden}}.page-header[data-v-0d824b30]{text-align:center;margin:8px 0 30px}.page-header h2[data-v-0d824b30]{display:block;font-size:30px;font-weight:700;color:#1f2d3d;margin:0 0 12px;letter-spacing:4px}.page-header .ph-sub[data-v-0d824b30]{display:flex;align-items:center;justify-content:center;gap:12px;margin:0;font-size:14px;color:#8a97a5;letter-spacing:1px}.page-header .ph-sub .ph-dot[data-v-0d824b30]{width:4px;height:4px;border-radius:50%;background:#c8d4e0}.page-header .ph-sub .guide-link[data-v-0d824b30]{margin-left:14px;font-size:13px;color:#1787fb}.page-header .ph-sub .guide-link i[data-v-0d824b30]{margin-right:2px}.page-header .ph-sub .guide-link[data-v-0d824b30]:hover{opacity:.8}.filter-bar[data-v-0d824b30]{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px;padding:14px 20px;background:#fff;border-radius:8px;box-shadow:0 1px 4px rgba(0,0,0,.05)}.filter-bar .search-input[data-v-0d824b30]{width:260px;flex-shrink:0}.category-tabs[data-v-0d824b30]{display:flex;flex-wrap:wrap;gap:10px}.cat-tag[data-v-0d824b30]{padding:6px 16px;border-radius:20px;font-size:13px;color:#666;background:#f0f0f0;cursor:pointer;transition:all .2s}.cat-tag.active[data-v-0d824b30],.cat-tag[data-v-0d824b30]:hover{background:#1787fb;color:#fff}.course-grid[data-v-0d824b30]{display:flex;flex-wrap:wrap;gap:20px;min-height:200px}.empty-state[data-v-0d824b30]{width:100%;text-align:center;padding:60px 0}.empty-state img[data-v-0d824b30]{width:120px;margin-bottom:12px}.empty-state p[data-v-0d824b30]{color:#ccc;font-size:14px}.pager-wrap[data-v-0d824b30]{margin-top:30px;text-align:center}@media(max-width:992px){.course-grid-page[data-v-0d824b30]{width:100%}.course-grid[data-v-0d824b30]{gap:12px}}@media(max-width:768px){.page-header[data-v-0d824b30]{padding-left:12px;padding-right:12px}.category-tabs[data-v-0d824b30]{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch}.category-tabs[data-v-0d824b30]::-webkit-scrollbar{display:none}.category-tabs .cat-tag[data-v-0d824b30]{flex-shrink:0;padding:6px 14px;white-space:nowrap}.filter-bar[data-v-0d824b30]{flex-direction:column;align-items:stretch;gap:10px;margin:0 12px 14px;padding:12px 14px}.filter-bar .search-input[data-v-0d824b30]{width:100%;flex-shrink:0}.course-grid[data-v-0d824b30]{margin:0 12px;gap:10px}.pager-wrap[data-v-0d824b30]{overflow-x:auto;padding:0 12px 20px;box-sizing:border-box}.pager-wrap .el-pagination .el-pagination__jump[data-v-0d824b30],.pager-wrap .el-pagination .el-pagination__total[data-v-0d824b30]{display:none}.empty-state[data-v-0d824b30]{padding:40px 0}}