.videolength-page .content-description{font-size:.875rem;color:var(--text-secondary,#a0a0a0);padding:.75rem;background:rgba(255,255,255,.03);border-radius:8px;margin-bottom:1rem}.length-recommendation{margin-bottom:1.5rem}.length-bar{padding:1.5rem;background:rgba(255,255,255,.03);border-radius:12px;border:1px solid rgba(255,255,255,.08)}.length-range{display:flex;align-items:center;gap:1rem;margin-bottom:1rem}.range-max,.range-min{font-size:.875rem;color:var(--text-secondary,#a0a0a0);min-width:40px}.range-max{text-align:right}.range-visual{flex:1 1;height:8px;background:linear-gradient(90deg,rgba(237,137,54,.3),rgba(72,187,120,.5) 30%,rgba(72,187,120,.5) 70%,rgba(237,137,54,.3));border-radius:4px;position:relative}.range-optimal{position:absolute;left:30%;right:30%;top:-4px;bottom:-4px;background:linear-gradient(90deg,#48bb78,#38a169);border-radius:6px}.optimal-marker{display:flex;flex-direction:column;align-items:center}.optimal-value{font-size:1.5rem;font-weight:700;color:#48bb78}.optimal-label{font-size:.75rem;color:var(--text-secondary,#a0a0a0)}.tips-box{margin-top:1rem;padding:1rem;background:rgba(102,126,234,.1);border-radius:8px;border:1px solid rgba(102,126,234,.2)}.tips-box h3{font-size:.875rem;color:#fff;margin-bottom:.5rem}.tips-box ul{list-style:none;padding:0;margin:0}.tips-box li{font-size:.8125rem;color:var(--text-secondary,#a0a0a0);padding:.25rem 0 .25rem 1.25rem;position:relative}.tips-box li:before{content:"→";position:absolute;left:0;color:#667eea}.videolength-page .reference-section{margin-top:3rem}.videolength-page .reference-section h2{text-align:center;margin-bottom:1.5rem;font-size:1.5rem;color:#fff}.reference-table-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch}.reference-table{width:100%;border-collapse:collapse;font-size:.875rem}.reference-table td,.reference-table th{padding:.75rem 1rem;text-align:left;border-bottom:1px solid rgba(255,255,255,.1)}.reference-table th{background:rgba(255,255,255,.05);font-weight:600;color:#fff}.reference-table td{color:var(--text-secondary,#a0a0a0)}.reference-table td:first-child{color:#fff}.reference-table .optimal-cell{color:#48bb78;font-weight:600}.reference-table .active-row{background:rgba(102,126,234,.1)}.reference-table .active-row td{color:#fff}.videolength-page .cta-section{margin-top:3rem;padding:2rem;background:linear-gradient(135deg,rgba(102,126,234,.1),rgba(118,75,162,.1));border-radius:16px;border:1px solid rgba(102,126,234,.2);text-align:center}.videolength-page .cta-section h2{font-size:1.5rem;margin-bottom:.75rem;color:#fff}.videolength-page .cta-section p{color:var(--text-secondary,#a0a0a0);margin-bottom:1.5rem;max-width:500px;margin-left:auto;margin-right:auto}.videolength-page .cta-section .cta-button{display:inline-block;padding:.875rem 2rem;background:linear-gradient(90deg,#667eea,#764ba2);color:white;text-decoration:none;border-radius:8px;font-weight:600;transition:transform .2s ease,box-shadow .2s ease}.videolength-page .cta-section .cta-button:hover{transform:translateY(-2px);box-shadow:0 4px 20px rgba(102,126,234,.4)}@media (max-width:640px){.reference-table{font-size:.75rem}.reference-table td,.reference-table th{padding:.5rem}.optimal-value{font-size:1.25rem}}