.dlvn-wrapper{padding:16px 0}.dlvn-wrapper *,.dlvn-wrapper *::before,.dlvn-wrapper *::after{box-sizing:border-box}.dlvn-wrapper a{color:inherit;text-decoration:none}.dlvn-container{width:100%;margin:0 auto;display:flex;flex-direction:column;gap:16px}.dlvn-card-title{display:flex;align-items:center;gap:8px;margin:0 0 16px;color:#1f2937;font-size:18px}.dlvn-title-icon{width:24px;height:24px;color:#d2232a}.dlvn-video-grid{display:grid;grid-template-columns:1fr;gap:16px}.dlvn-video-item{display:flex;flex-direction:column;gap:12px;padding:12px;background:#f8fafc;border:1px solid #f1f5f9;border-radius:12px;transition:background .3s,border-color .3s,box-shadow .3s}.dlvn-video-item:hover{background:#fff;border-color:#fee2e2;box-shadow:0 4px 6px -1px rgba(0,0,0,.1)}.dlvn-video-thumb{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;background:#e2e8f0;border-radius:8px;flex-shrink:0}.dlvn-video-picture{display:block;width:100%;height:100%}.dlvn-video-thumb img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .5s}.dlvn-video-item:hover .dlvn-video-thumb img{transform:scale(1.05)}.dlvn-video-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.2);opacity:1;transition:opacity .3s}.dlvn-play-btn{display:flex;align-items:center;justify-content:center;width:40px;height:40px;color:#fff;background:#d2232a;border-radius:50%;box-shadow:0 4px 6px rgba(0,0,0,.3)}.dlvn-video-info,.dlvn-exam-info{flex:1;min-width:0}.dlvn-video-title,.dlvn-exam-title{margin-bottom:8px;color:#1f2937;font-weight:500;line-height:1.4;transition:color .2s}.dlvn-video-title{font-size:15px}.dlvn-video-item:hover .dlvn-video-title{color:#d2232a}.dlvn-video-meta,.dlvn-exam-meta-row,.dlvn-meta-text{display:flex;align-items:center;gap:6px;color:#64748b;font-size:12px}.dlvn-exam-list{display:flex;flex-direction:column;gap:0}.dlvn-exam-item{display:flex;align-items:flex-start;gap:12px;padding:8px 12px;border:1px solid transparent;border-radius:8px;transition:background .2s,border-color .2s}.dlvn-exam-item:hover{background:#eff6ff;border-color:#dbeafe}.dlvn-exam-item:hover .dlvn-exam-title{color:#f8752b}.dlvn-exam-icon{width:28px;height:28px;margin-top:2px;flex-shrink:0}.dlvn-exam-title{display:-webkit-box;overflow:hidden;-webkit-line-clamp:2;-webkit-box-orient:vertical}.dlvn-exam-meta-row{gap:12px;flex-wrap:wrap}.dlvn-icon-sm{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.dlvn-text-center{width:100%;margin-top:16px;text-align:center}.dlvn-btn-outline{display:inline-block;padding:8px 24px;color:#f97316!important;background:#fff;border:1px solid #f97316;border-radius:6px;font-weight:700;transition:background .2s}.dlvn-btn-outline:hover{background:#fff7ed}@media(hover:hover){.dlvn-video-overlay{opacity:0}.dlvn-video-item:hover .dlvn-video-overlay,.dlvn-video-item:focus-visible .dlvn-video-overlay{opacity:1}}@media(max-width:640px){.dlvn-card-title{font-size:20px;font-weight:700}.dlvn-card{padding:16px;background:#fff}.dlvn-video-grid{grid-template-columns:minmax(0,1fr);gap:16px}.dlvn-video-item{min-width:0;flex-direction:column;align-items:stretch;gap:12px}.dlvn-video-thumb{width:100%;height:auto;aspect-ratio:16/9}.dlvn-video-info{width:100%}}@media(min-width:641px){.dlvn-video-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.dlvn-video-item{flex-direction:row;align-items:flex-start;gap:16px}.dlvn-video-thumb{width:160px;height:90px;aspect-ratio:auto}.dlvn-play-btn{width:32px;height:32px}}