@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}@keyframes pulse-badge{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}@keyframes text-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.7;transform:scale(.98)}}@keyframes jump-right{0%{left:20px;opacity:1}45%{left:224px;opacity:1}50%{left:224px;opacity:0}55%{left:20px;opacity:0}to{left:20px;opacity:1}}@keyframes jump-bounce{0%,to{transform:translateY(0) rotate(0deg)}25%{transform:translateY(-12px) rotate(-5deg)}50%{transform:translateY(0) rotate(0deg)}75%{transform:translateY(-12px) rotate(5deg)}}@keyframes squash{0%,to{transform:scaleY(1) scaleX(1)}50%{transform:scaleY(.85) scaleX(1.1)}}@keyframes shadow-move{0%{transform:translateX(0) scale(1);opacity:.3}45%{transform:translateX(164px) scale(.8);opacity:.2}50%{transform:translateX(164px) scale(.8);opacity:0}55%{transform:translateX(0) scale(1);opacity:0}to{transform:translateX(0) scale(1);opacity:.3}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.course-resource-page :deep(.btn-select){background:linear-gradient(135deg,#56ccf2,#2f80ed)!important;border-color:#2f80ed!important;color:#fff!important;font-weight:600!important;border-radius:8px!important;padding:8px 20px!important}.course-resource-page :deep(.btn-select:hover){background:linear-gradient(135deg,#6dd5ed,#3ea0f5)!important;border-color:#3ea0f5!important;transform:translateY(-2px);box-shadow:0 4px 12px rgba(47,128,237,.4)!important}.course-resource-page :deep(.btn-select.is-selected),.course-resource-page :deep(.btn-select:active){background:linear-gradient(135deg,#2f80ed,#1a5fc4)!important;border-color:#1a5fc4!important;box-shadow:0 2px 8px rgba(47,128,237,.5)!important}.course-resource-page{display:flex;height:100vh;padding:15px 20px;gap:24px;background:linear-gradient(135deg,#f0f4ff,#e8eeff);animation:fadeIn .5s ease-in-out}.course-resource-page .sidebar-section{width:280px;flex-shrink:0}.course-resource-page .sidebar-card{background:linear-gradient(135deg,#fff,#fafbff);border-radius:20px;padding:20px;height:calc(100vh - 64px);box-shadow:0 4px 20px rgba(139,92,246,.08),0 2px 8px rgba(0,0,0,.04);border:1px solid rgba(139,92,246,.1);transition:all .3s cubic-bezier(.4,0,.2,1)}.course-resource-page .sidebar-card:hover{box-shadow:0 6px 28px rgba(139,92,246,.12),0 3px 12px rgba(0,0,0,.06)}.course-resource-page .sidebar-header{display:flex;align-items:center;gap:12px;padding-bottom:16px;margin-bottom:16px;border-bottom:2px solid #f1f5f9;position:relative}.course-resource-page .sidebar-header:after{content:"";position:absolute;bottom:-2px;left:0;width:50px;height:2px;background:linear-gradient(90deg,#8b5cf6,#6d28d9);border-radius:2px}.course-resource-page .sidebar-icon{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#8b5cf6,#6d28d9);border-radius:12px;color:#fff;font-size:20px;box-shadow:0 4px 12px rgba(139,92,246,.3);transition:all .3s cubic-bezier(.4,0,.2,1)}.course-resource-page .sidebar-icon:hover{transform:rotate(5deg) scale(1.05);box-shadow:0 6px 16px rgba(139,92,246,.4)}.course-resource-page .sidebar-title{font-size:16px;font-weight:700;color:#1e293b}.course-resource-page .sidebar-search{display:flex;align-items:center;gap:8px;border-bottom:1px solid #f1f5f9}.course-resource-page .sidebar-search .search-input-wrapper{flex:1;position:relative}.course-resource-page .sidebar-search .input-icon{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:#94a3b8;z-index:1}.course-resource-page .sidebar-search .sidebar-input{width:100%}.course-resource-page .sidebar-search .sidebar-input ::v-deep .el-input__inner{padding-left:32px;border-radius:10px;border:2px solid #e5e7eb;background:#f8fafc;font-size:13px;transition:all .3s cubic-bezier(.4,0,.2,1)}.course-resource-page .sidebar-search .sidebar-input ::v-deep .el-input__inner:hover{border-color:#cbd5e1;background:#fff}.course-resource-page .sidebar-search .sidebar-input ::v-deep .el-input__inner:focus{border-color:#8b5cf6;background:#fff;box-shadow:0 0 0 4px rgba(139,92,246,.12);transform:translateY(-1px)}.course-resource-page .sidebar-search .search-btn{padding:6px 10px!important;border-radius:8px!important;background:linear-gradient(135deg,#6366f1,#4f46e5)!important;border:none!important;color:#fff!important}.course-resource-page .sidebar-search .search-btn:hover{opacity:.9}.course-resource-page .category-menu{border:none;height:calc(100% - 120px);overflow-y:auto}.course-resource-page .category-menu ::v-deep .el-submenu__title{padding:8px 12px!important;height:auto;line-height:1.4}.course-resource-page .category-wrapper{margin-top:4px}.course-resource-page .menu-item{border-radius:8px;margin:2px 8px;padding:8px 12px!important;height:auto;line-height:1.4}.course-resource-page .category-title{display:flex;align-items:center;gap:8px;width:100%}.course-resource-page .category-title i{color:#6366f1}.course-resource-page .category-title.level2{padding-left:20px}.course-resource-page .category-title.level2 i{color:#818cf8}.course-resource-page .count-badge{min-width:22px;height:20px;border-radius:10px;font-size:11px;font-weight:600;display:inline-flex;align-items:center;justify-content:center;margin-left:auto;padding:0 7px;background-color:#e5e7eb;color:#6b7280;transition:all .3s}.course-resource-page .count-badge.has-count{background:linear-gradient(135deg,#8b5cf6,#6d28d9);color:#fff;box-shadow:0 2px 8px rgba(139,92,246,.3);animation:pulse-badge 2s infinite}.course-resource-page .loading-indicator{margin-left:8px;color:#6366f1;animation:spin 1s linear infinite}.course-resource-page .empty-text,.course-resource-page .loading-text{display:flex;align-items:center;gap:6px;color:#9ca3af;font-size:12px}.course-resource-page .empty-text{color:#d1d5db}.course-resource-page .el-menu-item:hover,.course-resource-page .el-submenu__title:hover{background-color:#f1f5f9!important;border-radius:8px}.course-resource-page .el-menu-item.is-active{background-color:#eef2ff!important;color:#6366f1!important;border-radius:8px}.course-resource-page .main-section{flex:1;display:flex;flex-direction:column;gap:20px;overflow-y:auto;min-width:0;padding-right:4px;padding-bottom:40px}.course-resource-page .courses-content::-webkit-scrollbar{width:6px!important}.course-resource-page .courses-content::-webkit-scrollbar-track{background:transparent}.course-resource-page .courses-content::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:3px}.course-resource-page .courses-content::-webkit-scrollbar-thumb:hover{background:#9ca3af}.course-resource-page .main-section::-webkit-scrollbar{width:6px!important}.course-resource-page .main-section::-webkit-scrollbar-track{background:transparent}.course-resource-page .main-section::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:3px}.course-resource-page .main-section::-webkit-scrollbar-thumb:hover{background:#9ca3af}.course-resource-page .bento-grid{display:grid;grid-template-columns:1fr;gap:10px}.course-resource-page .ai-grid{margin-bottom:0}.course-resource-page .ai-assistant-card{background:linear-gradient(135deg,#fff,#fefeff);border-radius:20px;padding:20px;box-shadow:0 4px 20px rgba(139,92,246,.08),0 2px 8px rgba(0,0,0,.04);border:1px solid rgba(139,92,246,.08);transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.course-resource-page .ai-assistant-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#8b5cf6,#6d28d9,#8b5cf6);background-size:200% 100%;opacity:0;transition:opacity .3s}.course-resource-page .ai-assistant-card:hover:before{opacity:1;animation:shimmer 2s infinite}.course-resource-page .ai-assistant-card:hover{box-shadow:0 8px 32px rgba(139,92,246,.15),0 4px 16px rgba(0,0,0,.08);transform:translateY(-2px)}.course-resource-page .ai-header-section{display:flex;flex-direction:column;gap:12px;align-items:flex-start}.course-resource-page .header-controls{display:flex;justify-content:space-between;align-items:center;width:100%;gap:16px}.course-resource-page .category-type-buttons{display:flex;gap:10px;padding:10px 16px;background:linear-gradient(135deg,#f8fafc,#f1f5f9);border-radius:12px;box-shadow:0 2px 8px rgba(0,0,0,.05)}.course-resource-page .video-category-style{padding:0}.course-resource-page .category-row{display:flex;align-items:flex-start;padding:8px 12px;border-bottom:1px solid #f0f0f0}.course-resource-page .category-row:last-child{border-bottom:none}.course-resource-page .row-label{flex-shrink:0;width:70px;font-size:12px;font-weight:600;color:#374151;line-height:26px;padding-right:8px}.course-resource-page .video-category-style .category-tag-list{display:flex;flex-wrap:wrap;gap:5px;flex:1}.course-resource-page .video-category-style .level3-tag{padding:4px 10px;background:#f5f5f5;border:1px solid #e5e5e5;border-radius:4px;font-size:12px;color:#666;cursor:pointer;transition:all .2s ease;white-space:nowrap}.course-resource-page .video-category-style .level3-tag:hover{background:#ecf5ff;border-color:#409eff;color:#409eff}.course-resource-page .video-category-style .level3-tag.active{background:linear-gradient(135deg,#409eff,#3a8ee6);border-color:#409eff;color:#fff;font-weight:500}.course-resource-page .video-category-style .expand-toggle{display:flex;align-items:center;justify-content:center;padding:6px 12px;color:#409eff;font-size:12px;cursor:pointer;border-top:1px solid #f0f0f0}.course-resource-page .video-category-style .expand-toggle:hover{background:#f9f9f9}.course-resource-page .type-btn{padding:8px 20px;background:#fff;border:2px solid #e2e8f0;border-radius:8px;font-size:14px;font-weight:500;color:#475569;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1)}.course-resource-page .type-btn:hover{border-color:#6366f1;color:#6366f1;transform:translateY(-2px);box-shadow:0 4px 12px rgba(99,102,241,.15)}.course-resource-page .type-btn.active{background:linear-gradient(135deg,#6366f1,#4f46e5);border-color:#6366f1;color:#fff;box-shadow:0 4px 16px rgba(99,102,241,.35)}.course-resource-page .type-btn.active:nth-child(3){background:linear-gradient(135deg,#1aad50,#158a3e);border-color:#1aad50;box-shadow:0 4px 16px rgba(26,173,80,.35)}.course-resource-page .type-btn.active:nth-child(4){background:linear-gradient(135deg,#0a99dd,#0879b0);border-color:#0a99dd;box-shadow:0 4px 16px rgba(10,153,221,.35)}.course-resource-page .breadcrumb-nav{display:flex;align-items:center}.course-resource-page .ai-toggle-btn{display:flex;align-items:center;gap:8px;padding:10px 18px;background:linear-gradient(135deg,#8b5cf6,#6d28d9);color:#fff;border-radius:12px;font-size:14px;font-weight:600;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 6px 20px rgba(139,92,246,.35);position:relative;overflow:hidden}.course-resource-page .ai-toggle-btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,hsla(0,0%,100%,.3),transparent);transition:left .5s}.course-resource-page .ai-toggle-btn:hover:before{left:100%}.course-resource-page .ai-toggle-btn:hover{transform:translateY(-3px);box-shadow:0 8px 28px rgba(139,92,246,.45)}.course-resource-page .ai-toggle-btn:active{transform:translateY(-1px);box-shadow:0 4px 16px rgba(139,92,246,.3)}.course-resource-page .ai-panel{background:linear-gradient(135deg,#f5f3ff,#ede9fe);border:1px solid #ddd6fe;border-radius:12px;overflow:hidden}.course-resource-page .ai-panel-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#fff;border-bottom:1px solid #e5e7eb}.course-resource-page .ai-panel-title{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600;color:#5b21b6}.course-resource-page .ai-avatar{background:linear-gradient(135deg,#6366f1,#4f46e5);border-radius:8px;color:#fff;font-size:14px}.course-resource-page .ai-avatar,.course-resource-page .ai-panel-close{width:28px;height:28px;display:flex;align-items:center;justify-content:center}.course-resource-page .ai-panel-close{background:#f3f4f6;border-radius:6px;color:#6b7280;cursor:pointer;transition:all .2s}.course-resource-page .ai-panel-close:hover{background:#e5e7eb;color:#374151}.course-resource-page .ai-panel-body{padding:16px}.course-resource-page .ai-welcome{display:flex;align-items:center;gap:16px;margin-bottom:16px}.course-resource-page .ai-avatar-large{width:48px;height:48px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#6366f1,#4f46e5);border-radius:12px;color:#fff;font-size:24px}.course-resource-page .ai-welcome-text{flex:1}.course-resource-page .ai-greeting{margin:0;font-size:14px;font-weight:600;color:#1e1b4b}.course-resource-page .ai-hint{margin:4px 0 0;font-size:12px;color:#6b7280}.course-resource-page .ai-input-section{margin-bottom:16px}.course-resource-page .ai-input-field ::v-deep .el-input__inner{border-radius:10px;border:1px solid #d1d5db;padding-left:16px}.course-resource-page .ai-input-field ::v-deep .el-input__inner:focus{border-color:#6366f1;box-shadow:0 0 0 3px rgba(99,102,241,.1)}.course-resource-page .ai-send-btn{background:linear-gradient(135deg,#6366f1,#4f46e5)!important;border:none!important;color:#fff!important;border-radius:10px}.course-resource-page .ai-loading-section{display:flex;flex-direction:column;align-items:center;padding:24px;background:#fff;border-radius:12px}.course-resource-page .loading-animation{display:flex;gap:8px;margin-bottom:12px}.course-resource-page .loading-dot{width:10px;height:10px;background:#6366f1;border-radius:50%;animation:bounce 1.4s ease-in-out infinite}.course-resource-page .loading-dot:nth-child(2){animation-delay:.2s}.course-resource-page .loading-dot:nth-child(3){animation-delay:.4s}.course-resource-page .loading-text{font-size:13px;color:#6b7280;font-weight:500;animation:text-pulse 2s ease-in-out infinite}.course-resource-page .jump-loading{display:flex;flex-direction:column;align-items:center;padding:20px 0}.course-resource-page .jump-track{position:relative;width:280px;height:100px;overflow:hidden}.course-resource-page .jump-character-wrapper{position:absolute;bottom:20px;left:20px;animation:jump-right 3s ease-in-out infinite}.course-resource-page .jump-character{position:relative;animation:jump-bounce .8s ease-in-out infinite}.course-resource-page .jump-body{width:36px;height:36px;background:linear-gradient(145deg,#6366f1,#4f46e5);border-radius:8px;position:relative;box-shadow:0 4px 12px rgba(99,102,241,.4);animation:squash .8s ease-in-out infinite}.course-resource-page .jump-eyes{position:absolute;top:8px;left:50%;transform:translateX(-50%);display:flex;gap:8px}.course-resource-page .jump-eyes .eye{width:4px;height:4px;background:#fff;border-radius:50%;position:relative}.course-resource-page .jump-eyes .eye:after{content:"";position:absolute;width:2px;height:2px;background:#1e293b;border-radius:50%;top:1px;right:1px}.course-resource-page .jump-mouth{position:absolute;bottom:8px;left:50%;transform:translateX(-50%);width:8px;height:4px;background:#fff;border-radius:0 0 4px 4px;opacity:.8}.course-resource-page .jump-shadow{width:36px;height:5px;background:rgba(99,102,241,.2);border-radius:50%;margin-top:4px;animation:shadow-move 3s ease-in-out infinite}.course-resource-page .jump-platforms{position:absolute;bottom:0;left:0;right:0;display:flex;justify-content:space-between;padding:0 10px}.course-resource-page .jump-platforms .platform{width:28px;height:14px;background:linear-gradient(180deg,#a5b4fc,#818cf8);border-radius:4px 4px 3px 3px;box-shadow:0 3px 6px rgba(99,102,241,.2);transition:all .3s ease}.course-resource-page .jump-platforms .platform.active{background:linear-gradient(180deg,#c7d2fe,#a5b4fc);box-shadow:0 4px 10px rgba(99,102,241,.4);transform:scale(1.1)}.course-resource-page .ai-result-section{background:#fff;border-radius:12px;padding:16px}.course-resource-page .ai-result-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;padding-bottom:12px;border-bottom:1px solid #f1f5f9}.course-resource-page .result-status{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:500;color:#10b981}.course-resource-page .ai-model-tag{display:flex;align-items:center;gap:6px;padding:4px 10px;background:#dbeafe;color:#2563eb;border-radius:12px;font-size:12px}.course-resource-page .match-summary{margin-bottom:12px}.course-resource-page .match-title{margin:0 0 8px;font-size:13px;font-weight:600;color:#374151}.course-resource-page .match-description{margin:0;font-size:13px;color:#4b5563;line-height:1.6}.course-resource-page .course-match-reason{display:flex;align-items:flex-start;gap:8px;margin:8px 0;padding:8px;background:#f9fafb;border-radius:8px;font-size:12px;color:#4b5563}.course-resource-page .course-match-reason i{color:#6366f1;margin-top:2px}.course-resource-page .ai-keywords-section{margin-top:12px}.course-resource-page .keywords-label{margin:0 0 8px;font-size:12px;color:#6b7280}.course-resource-page .keywords-list{display:flex;flex-wrap:wrap;gap:6px}.course-resource-page .keyword-item{background:#f3f4f6!important;border-color:#e5e7eb!important;color:#4b5563!important;border-radius:6px}.course-resource-page .bento-card{background:linear-gradient(135deg,#fff,#fefeff);border-radius:20px;padding:10px 20px;box-shadow:0 4px 20px rgba(139,92,246,.08),0 2px 8px rgba(0,0,0,.04);border:1px solid rgba(139,92,246,.08);transition:all .4s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.course-resource-page .bento-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#8b5cf6,#6d28d9,#8b5cf6);background-size:200% 100%;opacity:0;transition:opacity .3s}.course-resource-page .bento-card:hover:before{opacity:1;animation:shimmer 2s infinite}.course-resource-page .bento-card:hover{box-shadow:0 8px 32px rgba(139,92,246,.15),0 4px 16px rgba(0,0,0,.08);transform:translateY(-2px);border-color:rgba(139,92,246,.2)}.course-resource-page .category-card{margin-bottom:0}.course-resource-page .category-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px;padding-bottom:4px;border-bottom:2px solid #f1f5f9;position:relative}.course-resource-page .category-fold-btn{display:flex;align-items:center;gap:4px;padding:4px 10px;font-size:12px;color:#6b7280;cursor:pointer;border-radius:4px;transition:all .2s}.course-resource-page .category-fold-btn:hover{background:#f3f4f6;color:#8b5cf6}.course-resource-page .category-header:after{content:"";position:absolute;bottom:-2px;left:0;width:60px;height:2px;background:linear-gradient(90deg,#8b5cf6,#6d28d9);border-radius:2px}.course-resource-page .category-title-text{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:#1e293b}.course-resource-page .category-title-text i{color:#8b5cf6;font-size:14px;animation:pulse 2s infinite}.course-resource-page .category-count{font-size:12px;color:#94a3b8}.course-resource-page .category-content{display:flex;flex-direction:column;gap:6px}.course-resource-page .category-tag-list{display:flex;flex-wrap:wrap;padding-top:2px;gap:5px;max-height:96px;overflow:hidden;transition:all .4s cubic-bezier(.4,0,.2,1);position:relative}.course-resource-page .category-tag-list.expanded{max-height:none}.course-resource-page .el-tabs__nav-scroll{height:0}.course-resource-page .level3-tag{padding:3px 8px;background:#f3f4f6;border:1.5px solid #e5e7eb;border-radius:12px;font-size:11px;color:#4b5563;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);font-weight:500;line-height:1.4}.course-resource-page .level3-tag:hover{background:#f1f5f9;border-color:#cbd5e1;transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.08)}.course-resource-page .level3-tag.active{background:linear-gradient(135deg,#f5f3ff,#ede9fe);border-color:#8b5cf6;color:#6d28d9;font-weight:600;box-shadow:0 4px 16px rgba(139,92,246,.2);transform:translateY(-2px)}.course-resource-page .expand-toggle{display:flex;align-items:center;justify-content:center;gap:4px;padding:8px;color:#6366f1;font-size:12px;cursor:pointer;transition:all .2s}.course-resource-page .expand-toggle:hover{color:#4f46e5}.course-resource-page .expand-toggle i{transition:transform .3s}.course-resource-page .expand-toggle i.rotated{transform:rotate(180deg)}.course-resource-page .courses-card{flex:1;display:flex;flex-direction:column;transition:all .3s ease}.course-resource-page .courses-card.courses-card-type-1{background:#fff;border-color:#a78bfa}.course-resource-page .courses-card.courses-card-type-1 .courses-header{border-bottom-color:#a78bfa}.course-resource-page .courses-card.courses-card-type-1 .courses-title-text i{color:#6366f1}.course-resource-page .courses-card.courses-card-type-1 .course-card{background:#fff;border-color:#a78bfa}.course-resource-page .courses-card.courses-card-type-1 .course-card:hover{border-color:#6366f1;box-shadow:0 8px 24px rgba(99,102,241,.15)}.course-resource-page .courses-card.courses-card-type-2{background:#fff;border-color:#6ee7a0}.course-resource-page .courses-card.courses-card-type-2 .courses-header{border-bottom-color:#6ee7a0}.course-resource-page .courses-card.courses-card-type-2 .courses-title-text i{color:#1aad50}.course-resource-page .courses-card.courses-card-type-2 .course-card{background:#fff;border-color:#6ee7a0}.course-resource-page .courses-card.courses-card-type-2 .course-card:hover{border-color:#1aad50;box-shadow:0 8px 24px rgba(26,173,80,.15)}.course-resource-page .courses-card.courses-card-type-3{background:#fff;border-color:#5bcbf0}.course-resource-page .courses-card.courses-card-type-3 .courses-header{border-bottom-color:#5bcbf0}.course-resource-page .courses-card.courses-card-type-3 .courses-title-text i{color:#0a99dd}.course-resource-page .courses-card.courses-card-type-3 .course-card{background:#fff;border-color:#5bcbf0}.course-resource-page .courses-card.courses-card-type-3 .course-card:hover{border-color:#0a99dd;box-shadow:0 8px 24px rgba(10,153,221,.15)}.course-resource-page .courses-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid #f1f5f9}.course-resource-page .courses-title-text{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:#1e293b}.course-resource-page .courses-title-text i{color:#6366f1}.course-resource-page .courses-count{display:flex;align-items:center;gap:6px;font-size:12px;color:#94a3b8}.course-resource-page .courses-content{flex:1;display:flex;flex-direction:column;min-height:0;overflow:auto;max-height:630px}.course-resource-page .courses-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));grid-template-rows:repeat(3,auto);gap:16px;padding-right:4px;padding-bottom:50px}.course-resource-page .course-card{background:#fff;border:2px solid #e5e7eb;border-radius:16px;overflow:hidden;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative}.course-resource-page .course-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#8b5cf6,#6d28d9);opacity:0;transition:opacity .3s}.course-resource-page .course-card:hover:before{opacity:1}.course-resource-page .course-card:hover{transform:translateY(-6px);box-shadow:0 16px 32px rgba(139,92,246,.2),0 8px 16px rgba(0,0,0,.1);border-color:#8b5cf6}.course-resource-page .course-card-type-1{border-color:#a78bfa}.course-resource-page .course-card-type-1:hover{border-color:#6366f1;box-shadow:0 16px 32px rgba(99,102,241,.2),0 8px 16px rgba(0,0,0,.1)}.course-resource-page .course-card-type-1 .course-title{color:#fff}.course-resource-page .course-card-type-2{border-color:#fbbf24}.course-resource-page .course-card-type-2:hover{border-color:#f59e0b;box-shadow:0 16px 32px rgba(245,158,11,.25),0 8px 16px rgba(0,0,0,.1)}.course-resource-page .course-card-type-2 .course-title{color:#fff}.course-resource-page .course-card-type-3{border-color:#a5b4fc}.course-resource-page .course-card-type-3:hover{border-color:#6366f1;box-shadow:0 16px 32px rgba(99,102,241,.25),0 8px 16px rgba(0,0,0,.1)}.course-resource-page .course-card-type-3 .course-title{color:#fff}.course-resource-page .course-card-header{padding:18px;color:#fff;position:relative;height:130px}.course-resource-page .course-card-header,.course-resource-page .course-card-type-1 .course-card-header{background:linear-gradient(135deg,#8b5cf6,#6d28d9)}.course-resource-page .course-card-type-1 .course-card-header.hover{background:linear-gradient(135deg,#7c3aed,#5b21b6)}.course-resource-page .course-card-type-2 .course-card-header{background:linear-gradient(135deg,#f59e0b,#ea580c)}.course-resource-page .course-card-type-2 .course-card-header.hover{background:linear-gradient(135deg,#ea580c,#c2410c)}.course-resource-page .course-card-type-3 .course-card-header{background:linear-gradient(135deg,#6366f1,#4f46e5)}.course-resource-page .course-card-type-3 .course-card-header.hover{background:linear-gradient(135deg,#4f46e5,#4338ca)}.course-resource-page .course-badge{position:absolute;top:12px;right:12px;display:flex;align-items:center;gap:4px;padding:4px 8px;background:hsla(0,0%,100%,.2);border-radius:10px;font-size:10px}.course-resource-page .course-title{margin:5px 0 12px;font-size:16px;font-weight:600;line-height:1.4}.course-resource-page .course-meta{display:flex;gap:12px}.course-resource-page .meta-item{display:flex;align-items:center;gap:4px;font-size:12px;opacity:.9}.course-resource-page .course-card-body{padding:16px;height:150px}.course-resource-page .target-audience{display:flex;align-items:center;gap:8px;margin-bottom:12px}.course-resource-page .target-audience .label{font-size:12px;color:#6b7280}.course-resource-page .target-audience .value{font-size:12px;color:#374151;font-weight:500}.course-resource-page .course-intro,.course-resource-page .course-objective{font-size:12px;color:#6b7280;line-height:1.5;margin-bottom:8px}.course-resource-page .boxSizeHidden{overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:5;-webkit-box-orient:vertical}.course-resource-page .course-card-footer{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-top:1px solid #f3f4f6;background:#f9fafb}.course-resource-page .footer-left{display:flex;align-items:center;gap:6px;font-size:9px;color:#9ca3af}.course-resource-page .footer-right{display:flex;gap:8px}.course-resource-page .action-btn{padding:7px 14px!important;border-radius:10px!important;font-size:12px!important;font-weight:600!important;transition:all .3s cubic-bezier(.4,0,.2,1)!important}.course-resource-page .action-btn:hover{transform:translateY(-2px)!important}.course-resource-page .action-btn.primary{background:linear-gradient(135deg,#8b5cf6,#6d28d9)!important;border:none!important;color:#fff!important;box-shadow:0 4px 12px rgba(139,92,246,.3)!important}.course-resource-page .action-btn.primary:hover{box-shadow:0 6px 16px rgba(139,92,246,.4)!important}.course-resource-page .empty-courses{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px}.course-resource-page .empty-icon{width:64px;height:64px;display:flex;align-items:center;justify-content:center;background:#f3f4f6;border-radius:16px;margin-bottom:16px}.course-resource-page .empty-icon i{font-size:32px;color:#9ca3af}.course-resource-page .slide-fade-enter-active{transition:all .3s ease-out}.course-resource-page .slide-fade-leave-active{transition:all .2s ease-in}.course-resource-page .slide-fade-enter-from,.course-resource-page .slide-fade-leave-to{transform:translateY(-10px);opacity:0}.course-resource-page .pagination-wrapper{display:flex;justify-content:center;align-items:center;flex-shrink:0;padding-top:10px;border-top:1px solid #f1f5f9;background-color:#fff}.course-resource-page .pagination-wrapper ::v-deep .el-pagination{font-weight:500}.course-resource-page .pagination-wrapper ::v-deep .el-pagination .el-pager li{background:#f3f4f6;border-radius:8px;margin:0 4px;min-width:32px;height:32px;line-height:32px;font-size:13px}.course-resource-page .pagination-wrapper ::v-deep .el-pagination .el-pager li.active{background:linear-gradient(135deg,#8b5cf6,#6d28d9);color:#fff;box-shadow:0 4px 12px rgba(139,92,246,.3)}.course-resource-page .pagination-wrapper ::v-deep .el-pagination .el-pager li:hover{color:#6366f1}.course-resource-page .pagination-wrapper ::v-deep .el-pagination button{background:#f3f4f6;border-radius:8px;width:32px;height:32px}.course-resource-page .pagination-wrapper ::v-deep .el-pagination button:hover{color:#6366f1;background:#eef2ff}@media (max-width:1024px){.course-resource-page{flex-direction:column;padding:10px}.course-resource-page .sidebar-section{width:100%;height:auto}.course-resource-page .sidebar-card{height:auto;max-height:300px}.course-resource-page .courses-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}}.course-resource-page .storage-float-btn{position:fixed;right:32px;bottom:100px;width:64px;height:64px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#8b5cf6,#6d28d9);border-radius:50%;box-shadow:0 8px 24px rgba(139,92,246,.4);cursor:pointer;z-index:1000;transition:all .4s cubic-bezier(.4,0,.2,1);animation:float 3s ease-in-out infinite}.course-resource-page .storage-float-btn:hover{transform:scale(1.15) translateY(-5px);box-shadow:0 12px 32px rgba(139,92,246,.5);animation:none}.course-resource-page .storage-float-btn:active{transform:scale(1.05)}.course-resource-page .storage-float-btn i{font-size:24px;color:#fff}.course-resource-page .storage-count{position:absolute;top:-4px;right:-4px;min-width:20px;height:20px;padding:0 6px;background:#ef4444;border-radius:10px;font-size:12px;font-weight:600;color:#fff;display:flex;align-items:center;justify-content:center}.course-resource-page .storage-drawer-content{display:flex;flex-direction:column;height:100%;padding:0;width:100%;box-sizing:border-box}.course-resource-page .storage-header{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:2px solid #f1f5f9;margin-bottom:0;background:linear-gradient(135deg,#fafbff,#fff);position:relative;flex-wrap:wrap;gap:12px}.course-resource-page .storage-header:after{content:"";position:absolute;bottom:-2px;left:24px;width:60px;height:2px;background:linear-gradient(90deg,#8b5cf6,#6d28d9);border-radius:2px}.course-resource-page .storage-info{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600;color:#1e293b;white-space:nowrap;flex-wrap:nowrap}.course-resource-page .storage-info i{font-size:20px;color:#8b5cf6;animation:pulse 2s infinite;flex-shrink:0}.course-resource-page .storage-info strong{color:#8b5cf6;font-size:18px;font-weight:700;margin:0 4px}.course-resource-page .storage-actions{display:flex;gap:10px;flex-shrink:0;flex-wrap:wrap}.course-resource-page .storage-actions .el-button{white-space:nowrap;flex-shrink:0}.course-resource-page .storage-list{padding:20px 24px}.course-resource-page .storage-list::-webkit-scrollbar{width:6px}.course-resource-page .storage-list::-webkit-scrollbar-track{background:#f8fafc;border-radius:3px}.course-resource-page .storage-list::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}.course-resource-page .storage-list::-webkit-scrollbar-thumb:hover{background:#8b5cf6}.course-resource-page .storage-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px;background:linear-gradient(135deg,#f9fafb,#fff);border:2px solid #e5e7eb;border-radius:12px;margin-bottom:12px;transition:all .3s cubic-bezier(.4,0,.2,1);width:100%;box-sizing:border-box;min-height:80px}.course-resource-page .storage-item:hover{background:linear-gradient(135deg,#f5f3ff,#fff);border-color:#8b5cf6;transform:translateX(4px);box-shadow:0 4px 16px rgba(139,92,246,.15)}.course-resource-page .storage-item-info{display:flex;align-items:flex-start;gap:12px;flex:1;min-width:0;overflow:hidden}.course-resource-page .storage-item-index{width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#8b5cf6,#6d28d9);border-radius:8px;font-size:13px;font-weight:700;color:#fff;flex-shrink:0;box-shadow:0 2px 8px rgba(139,92,246,.3);transition:all .3s}.course-resource-page .storage-item:hover .storage-item-index{transform:scale(1.1);box-shadow:0 4px 12px rgba(139,92,246,.4)}.course-resource-page .storage-item-content{flex:1;min-width:0;overflow:hidden}.course-resource-page .storage-item-title{margin:0 0 8px;transition:color .3s}.course-resource-page .storage-item-meta{font-size:12px;color:#6b7280}.course-resource-page .storage-item-meta span{display:flex;align-items:center;gap:4px}.course-resource-page .storage-item-meta i{font-size:12px}.course-resource-page .storage-item-actions{display:flex;gap:8px;flex-shrink:0;align-items:center;margin-left:12px}.course-resource-page .storage-item-actions .el-button{margin:0!important}.course-resource-page .storage-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:80px 40px}.course-resource-page .storage-empty .empty-icon{width:80px;height:80px;background:linear-gradient(135deg,#f5f3ff,#ede9fe);border-radius:20px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;border:2px solid #ddd6fe}.course-resource-page .storage-empty .empty-icon i{font-size:40px;color:#8b5cf6}.course-resource-page .storage-empty .empty-text{font-size:16px;font-weight:600;color:#475569;margin-bottom:8px}.course-resource-page .storage-empty .empty-hint{font-size:13px;color:#94a3b8}.course-resource-page .storage-drawer-content ::v-deep .el-drawer__header{margin-bottom:0;padding:24px;border-bottom:2px solid #f1f5f9;background:linear-gradient(135deg,#fafbff,#fff)}.course-resource-page .storage-drawer-content ::v-deep .el-drawer__title{font-size:18px;font-weight:700;color:#1e293b;display:flex;align-items:center;gap:10px}.course-resource-page .storage-tabs{height:100%;display:flex;flex-direction:column}.course-resource-page .storage-tabs ::v-deep .el-tabs__header{margin-bottom:0;background:#f8fafc;border-bottom:1px solid #e2e8f0}.course-resource-page .storage-tabs ::v-deep .el-tabs__nav-wrap:after{height:1px;background-color:#e2e8f0}.course-resource-page .storage-tabs ::v-deep .el-tabs__item{font-size:14px;font-weight:600;color:#64748b;padding:0 24px;height:48px;line-height:48px;transition:all .3s ease}.course-resource-page .storage-tabs ::v-deep .el-tabs__item:hover{color:#8b5cf6}.course-resource-page .storage-tabs ::v-deep .el-tabs__item.is-active{color:#8b5cf6;font-weight:700}.course-resource-page .storage-tabs ::v-deep .el-tabs__active-bar{background:linear-gradient(90deg,#8b5cf6,#6d28d9);height:3px;border-radius:3px}.course-resource-page .storage-tabs ::v-deep .el-tab-pane{height:100%}.course-resource-page .storage-checkbox{flex:1;display:flex;align-items:flex-start;padding:0;margin:0;width:80%}.course-resource-page .storage-checkbox ::v-deep .el-checkbox__input{margin-top:4px;flex-shrink:0}.course-resource-page .storage-checkbox ::v-deep .el-checkbox__label{flex:1;padding-left:8px;width:80%}.course-resource-page .storage-checkbox .el-checkbox__label{width:100%}.course-resource-page .storage-item-title{margin:0 0 4px 0;font-size:15px;font-weight:600;color:#1e293b;line-height:1.4;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.course-resource-page .storage-item-subtitle{margin:0 0 8px 0;font-size:13px;color:#64748b;font-weight:400}.course-resource-page .storage-item-meta{display:flex;gap:12px;flex-wrap:wrap}.course-resource-page .storage-item:hover .storage-item-title{color:#8b5cf6}.course-resource-page .storage-tab-header{padding:12px 16px 0 16px;background:#fff;border-bottom:1px solid #f1f5f9}.course-resource-page .storage-tab-nav{display:flex;gap:8px}.course-resource-page .storage-tab-item{display:flex;align-items:center;gap:8px;padding:12px 20px;border-radius:12px 12px 0 0;cursor:pointer;transition:all .3s ease;background:#f8fafc;border:1px solid #e2e8f0;border-bottom:none;position:relative;font-size:14px;font-weight:500;color:#64748b}.course-resource-page .storage-tab-item i{font-size:16px}.course-resource-page .storage-tab-item:hover{background:#f1f5f9;color:#1e293b}.course-resource-page .storage-tab-item.active{background:linear-gradient(135deg,#8b5cf6,#6d28d9);color:#fff;border-color:#8b5cf6;box-shadow:0 -4px 12px rgba(139,92,246,.3)}.course-resource-page .storage-tab-badge{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 6px;border-radius:10px;background:rgba(139,92,246,.15);color:#8b5cf6;font-size:12px;font-weight:600}.course-resource-page .storage-tab-item.active .storage-tab-badge{background:hsla(0,0%,100%,.25);color:#fff}.course-resource-page .storage-tab-badge.ai-badge{background:rgba(103,194,58,.15);color:#67c23a}.course-resource-page .storage-tab-item.active .storage-tab-badge.ai-badge{background:hsla(0,0%,100%,.25)}.course-resource-page .storage-footer{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-top:1px solid #f1f5f9;background:linear-gradient(135deg,#fafbff,#fff);box-shadow:0 -4px 12px rgba(0,0,0,.05)}.course-resource-page .storage-footer-info{display:flex;align-items:center;gap:16px}.course-resource-page .select-all-checkbox{font-weight:600}.course-resource-page .selected-count{font-size:14px;color:#64748b}.course-resource-page .selected-count strong{color:#8b5cf6;font-size:16px}.course-resource-page .storage-footer-actions{display:flex;gap:10px}.course-resource-page .storage-footer-actions .el-button{border-radius:8px!important;font-weight:500!important}.course-resource-page .storage-tabs ::v-deep .el-tabs__content{flex:1;overflow:hidden;display:flex;flex-direction:column}.course-resource-page .storage-tabs ::v-deep .el-tab-pane{flex:1;overflow:hidden;display:flex;flex-direction:column;padding:0}.course-resource-page .storage-tabs ::v-deep .el-tabs__header,.course-resource-page .storage-tabs ::v-deep .el-tabs__nav-wrap{display:none!important}.course-resource-page .storage-list{flex:1;overflow-y:auto;padding:16px 20px;width:100%;box-sizing:border-box}.course-resource-page .course-tags{position:absolute;top:10px;right:10px;display:flex;gap:4px;z-index:1}.course-resource-page .tag-hot,.course-resource-page .tag-new{padding:2px 8px;font-size:10px;font-weight:700;border-radius:4px;color:#fff}.course-resource-page .tag-new{background:#10b981}.course-resource-page .tag-hot{background:#ef4444}