.certificateContainer{background:#f8fafc;box-sizing:border-box;min-height:700px;padding:30px 0}.certificateContainer .contentCenter{align-items:flex-start;display:flex;gap:24px;justify-content:space-between;margin:0 auto;max-width:1200px}.certificateContainer :deep(.el-input__wrapper){border:1px solid #d1d5db!important;border-radius:8px!important}.certificateContainer .course-cards{background:#fff;border-radius:8px;box-shadow:0 1px 3px #0000001a;height:-moz-fit-content;height:fit-content;max-height:calc(100vh - 100px);overflow:auto;padding:16px;width:200px}.certificateContainer .course-card{background:#fff;border:1px solid #e5e7eb;border-radius:6px;cursor:pointer;margin-bottom:8px;overflow:hidden;position:relative;transition:all .2s ease}.certificateContainer .course-card:hover{box-shadow:0 2px 8px #0000001a}.certificateContainer .course-card.active{background:#eff6ff;border:1px solid #3b82f6}.certificateContainer .card-content{align-items:center;box-sizing:border-box;display:flex;justify-content:space-between;padding:12px}.certificateContainer .card-title{color:#374151;flex:1;font-size:14px;font-weight:500}.certificateContainer .card-action{align-items:center;display:flex;gap:4px;opacity:0;transform:translate(-10px);transition:all .2s ease}.certificateContainer .course-card:hover .card-action{opacity:1;transform:translate(0)}.certificateContainer .view-text{color:#6b7280;font-size:12px;font-weight:400}.certificateContainer .arrow{color:#6b7280;font-size:12px}.certificateContainer .preview-panel{background:#fff;border-radius:8px;box-shadow:0 1px 3px #0000001a;display:flex;flex:1;flex-direction:column;min-height:600px;min-width:0;overflow:hidden}.certificateContainer .ad-section{background:#fff;border-bottom:1px solid #e5e7eb;padding:0}.certificateContainer .ad-section .ad-loading{color:#6b7280;font-size:14px;padding:20px;text-align:center}.certificateContainer .ad-section .ad-banner{border-radius:8px;box-shadow:0 2px 8px #0000001a;height:120px;margin:16px 16px 8px;overflow:hidden;position:relative;width:100%}.certificateContainer .ad-section .ad-carousel{height:100%;overflow:hidden;width:100%}.certificateContainer .ad-section .ad-track{display:flex;height:100%;transition:transform .6s cubic-bezier(.4,0,.2,1);width:100%}.certificateContainer .ad-section .ad-banner-item{cursor:pointer;flex:0 0 100%;height:100%;overflow:hidden;position:relative;width:100%}.certificateContainer .ad-section .ad-banner-item img{height:100%;-o-object-fit:cover;object-fit:cover;transition:transform .4s ease;width:100%}.certificateContainer .ad-section .ad-banner-item:hover img{transform:scale(1.05)}.certificateContainer .ad-section .ad-indicators{background:#ffffffe6;display:flex;gap:8px;justify-content:center;padding:8px 16px}.certificateContainer .ad-section .ad-indicators .indicator{background:#0000004d;border:none;border-radius:50%;cursor:pointer;height:8px;transition:all .3s ease;width:8px}.certificateContainer .ad-section .ad-indicators .indicator.active{background:#3b82f6;transform:scale(1.2)}.certificateContainer .ad-section .ad-indicators .indicator:hover{background:#6b7280}.certificateContainer .preview-header{background:#fff;border-bottom:1px solid #e5e7eb;padding:20px 24px}.certificateContainer .preview-header h2{color:#374151;font-size:18px;font-weight:600;margin:0}.certificateContainer .preview-content{background:#fff;flex:1;padding:24px;position:relative}.certificateContainer .certificate-frame{box-sizing:border-box;width:100%}.certificateContainer .certificate-frame img{height:100%;-o-object-fit:contain;object-fit:contain;width:100%}.certificateContainer .empty-state{align-items:center;color:#6b7280;display:flex;flex-direction:column;height:100%;justify-content:center;min-height:400px;text-align:center}.certificateContainer .empty-icon{font-size:48px;margin-bottom:16px;opacity:.7}.certificateContainer .empty-state p{font-size:16px;font-weight:400;margin:0}.certificateContainer .search-box{box-sizing:border-box;margin-bottom:16px;position:relative}.certificateContainer .course-cards::-webkit-scrollbar{width:6px}.certificateContainer .course-cards::-webkit-scrollbar-track{background:#f3f4f6;border-radius:3px}.certificateContainer .course-cards::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:3px}.certificateContainer .course-cards::-webkit-scrollbar-thumb:hover{background:#9ca3af}@media (max-width:1024px){.certificateContainer .contentCenter{flex-direction:column;gap:20px}.certificateContainer .course-cards{max-height:300px;width:100%}.certificateContainer .ad-section .ad-banner{height:100px;margin:12px}}@media (max-width:768px){.certificateContainer .contentCenter{padding:15px}.certificateContainer .ad-section .ad-banner{height:80px;margin:8px}.certificateContainer .ad-section .ad-indicators{padding:6px 12px}.certificateContainer .ad-section .ad-indicators .indicator{height:6px;width:6px}}