.thumbnail-main{max-width:1184px;margin:auto;padding:60px 28px 80px}.thumbnail-intro{text-align:center;max-width:800px;margin:0 auto 36px}.thumbnail-eyebrow{color:var(--primary);letter-spacing:.13em;margin-bottom:16px;font-size:11px;font-weight:650}.thumbnail-intro h1{letter-spacing:-.045em;text-wrap:balance;font-size:clamp(32px,4.3vw,52px);font-weight:650;line-height:1.12}.thumbnail-description{color:var(--muted-foreground);text-wrap:pretty;max-width:640px;margin:18px auto 14px;font-size:17px;line-height:1.65}.thumbnail-access{color:var(--muted-foreground);font-size:12px}.thumbnail-studio{border:1px solid var(--border);background:var(--card);border-radius:22px;grid-template-columns:minmax(0,1.8fr) minmax(280px,1fr);display:grid;overflow:hidden;box-shadow:0 14px 50px -24px #334d7e30}.thumbnail-source{min-width:0;padding:24px}.thumbnail-export{border-inline-start:1px solid var(--border);background:#fbfcfe;min-width:0;padding:24px}.thumbnail-panel-heading{justify-content:space-between;align-items:center;gap:12px;min-height:28px;margin-bottom:22px;display:flex}.thumbnail-panel-heading h2{align-items:center;gap:9px;font-size:14px;font-weight:600;display:inline-flex}.thumbnail-panel-heading h2>span{border:1px solid var(--border);width:25px;height:25px;color:var(--muted-foreground);border-radius:7px;place-items:center;font-size:10px;font-weight:500;display:inline-grid}.thumbnail-file-actions{color:var(--muted-foreground);align-items:center;gap:12px;font-size:12px;display:flex}.thumbnail-file-actions button{cursor:pointer;min-height:32px}.thumbnail-file-actions button:last-child{border-radius:6px;place-items:center;width:28px;display:grid}.thumbnail-file-actions button:hover{color:var(--primary)}.thumbnail-upload{text-align:center;background:radial-gradient(at 50% 15%,#edf3ff 0,#f8faff 40%,#fcfdff 100%);border:1px dashed #cdd7e9;border-radius:14px;flex-direction:column;justify-content:center;align-items:center;min-height:390px;padding:36px 20px;transition:border-color .15s,background .15s;display:flex}.thumbnail-upload.is-dragging{border-color:var(--primary);background:#edf3ff}.thumbnail-upload-art{width:130px;height:82px;margin-bottom:26px;position:relative}.thumbnail-upload-art>span{color:#8496b7;background:#f1f5fd;border:1px solid #d0dcf1;border-radius:11px;place-items:center;width:84px;height:65px;display:grid;position:absolute;top:3px;left:3px;transform:rotate(-12deg)}.thumbnail-upload-art>span:last-child{color:var(--primary);background:#fff;top:12px;left:38px;transform:rotate(8deg);box-shadow:0 5px 15px #37579312}.thumbnail-upload-art>span:last-child>svg:last-child{background:var(--primary);color:#fff;border:2px solid #fff;border-radius:50%;width:25px;height:25px;padding:5px;position:absolute;bottom:-6px;right:-6px}.thumbnail-upload h3{letter-spacing:-.02em;font-size:19px;font-weight:600}.thumbnail-upload>p{color:var(--muted-foreground);margin-top:10px;font-size:12px}.thumbnail-primary{background:var(--primary);color:#fff;cursor:pointer;border-radius:10px;justify-content:center;align-items:center;gap:9px;min-height:44px;padding:10px 21px;font-size:14px;font-weight:550;transition:background .15s;display:inline-flex}.thumbnail-primary:hover:not(:disabled){background:#1555dc}.thumbnail-primary:disabled{opacity:.45;cursor:not-allowed}.thumbnail-upload .thumbnail-primary{margin-top:23px}.thumbnail-upload>.thumbnail-privacy{align-items:center;gap:6px;margin-top:20px;font-size:11px;display:flex}.thumbnail-output-preview{border:1px solid var(--border);background:repeating-conic-gradient(#f3f5f9 0% 25%,#f9fafc 0% 50%) 50%/18px 18px;border-radius:11px;place-items:center;height:184px;display:grid;overflow:hidden}.thumbnail-output-preview canvas{object-fit:contain;max-width:100%;max-height:182px}.thumbnail-output-preview 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span{margin-top:5px;line-height:1.6;display:block}.thumbnail-download{width:100%}.thumbnail-download-status{color:#246349;margin-top:8px;font-size:11px;line-height:1.6}.thumbnail-download-status:empty{display:none}.thumbnail-player{background:#141c2d;border-radius:12px;height:304px;position:relative;overflow:hidden}.thumbnail-player video{object-fit:contain;width:100%;height:100%}.thumbnail-player-loading{color:#fff;pointer-events:none;justify-content:center;align-items:center;gap:10px;font-size:13px;display:flex;position:absolute;inset:0}.thumbnail-file{color:var(--muted-foreground);justify-content:space-between;gap:10px;margin:12px 0 20px;font-size:11px;display:flex}.thumbnail-file>span:first-child{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.thumbnail-file>span:last-child{flex-shrink:0}.thumbnail-timeline>label{justify-content:space-between;gap:12px;margin-bottom:8px;font-size:12px;font-weight:550;display:flex}.thumbnail-timeline output{font-variant-numeric:tabular-nums;color:var(--muted-foreground);font-size:11px;font-weight:400}.thumbnail-timeline>input{width:100%;accent-color:var(--primary);cursor:pointer;min-height:28px}.thumbnail-time-controls{justify-content:center;align-items:center;gap:10px;margin-top:8px;display:flex}.thumbnail-time-controls>button{border:1px solid var(--border);cursor:pointer;border-radius:7px;justify-content:center;align-items:center;gap:3px;min-height:36px;padding:5px 7px;font-size:11px;display:inline-flex}.thumbnail-time-controls label{color:var(--muted-foreground);align-items:center;gap:8px;font-size:11px;display:inline-flex}.thumbnail-time-controls input{width:85px;min-height:36px;color:var(--foreground);border:1px solid var(--border);font-variant-numeric:tabular-nums;border-radius:7px;padding:4px 6px}.thumbnail-suggestions{margin-top:22px}.thumbnail-suggestions>p{color:var(--muted-foreground);margin-bottom:9px;font-size:11px}.thumbnail-suggestions>span{color:var(--muted-foreground);font-size:11px}.thumbnail-filmstrip{grid-template-columns:repeat(8,minmax(0,1fr));gap:4px;display:grid}.thumbnail-filmstrip button{cursor:pointer;border:1px solid var(--border);background:#edf1f8;border-radius:5px;min-width:0;overflow:hidden}.thumbnail-filmstrip button:hover{border-color:var(--primary)}.thumbnail-filmstrip img{aspect-ratio:1.1;object-fit:cover;width:100%}.thumbnail-filmstrip span{font-variant-numeric:tabular-nums;text-align:center;padding:3px 1px;font-size:9px;display:block}.thumbnail-error{color:#a12e37;background:#fff6f6;border:1px solid #f1cece;border-radius:9px;margin-top:15px;padding:12px;font-size:12px;line-height:1.6}.thumbnail-how{margin-top:70px}.thumbnail-how>h2,.thumbnail-faq>h2{letter-spacing:-.03em;font-size:27px;font-weight:600;line-height:1.3}.thumbnail-steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;margin-top:28px;display:grid}.thumbnail-steps article>div{border-bottom:1px solid var(--border);color:var(--primary);justify-content:space-between;align-items:center;padding-bottom:16px;display:flex}.thumbnail-steps article>div>span{color:#8b98ad;font-size:11px}.thumbnail-steps h3{margin:18px 0 9px;font-size:15px;font-weight:600}.thumbnail-steps p{color:var(--muted-foreground);font-size:13px;line-height:1.8}.thumbnail-faq{border-top:1px solid var(--border);grid-template-columns:1fr 1.6fr;gap:44px;margin-top:72px;padding-top:42px;display:grid}.thumbnail-faq details{border-bottom:1px solid var(--border)}.thumbnail-faq summary{cursor:pointer;justify-content:space-between;align-items:center;gap:15px;padding:17px 0;font-size:14px;font-weight:550;list-style:none;display:flex}.thumbnail-faq summary::-webkit-details-marker{display:none}.thumbnail-faq summary svg{color:var(--muted-foreground);flex-shrink:0}.thumbnail-faq details[open] summary svg{transform:rotate(180deg)}.thumbnail-faq details p{color:var(--muted-foreground);padding:0 22px 20px 0;font-size:13px;line-height:1.8}.thumbnail-cta{background:#eef3fc;border:1px solid #d9e4f7;border-radius:16px;justify-content:space-between;align-items:center;gap:30px;margin-top:64px;padding:32px;display:flex}.thumbnail-cta h2{letter-spacing:-.025em;font-size:20px;font-weight:600}.thumbnail-cta p{color:var(--muted-foreground);margin-top:9px;font-size:13px;line-height:1.6}.thumbnail-cta>div>a{color:#315fa6;align-items:center;gap:5px;margin-top:10px;font-size:12px;display:inline-flex}.thumbnail-cta>a{flex-shrink:0}.thumbnail-main :is(button,a,input,select,summary):focus-visible{outline:2px solid var(--primary);outline-offset:3px}@media (width<=760px){.thumbnail-main{padding:36px 18px 48px}.thumbnail-description{font-size:15px}.thumbnail-studio{border-radius:16px;grid-template-columns:1fr}.thumbnail-source,.thumbnail-export{padding:20px}.thumbnail-export{border-inline-start:0;border-top:1px solid var(--border)}.thumbnail-upload{min-height:320px}.thumbnail-output-preview{height:180px}.thumbnail-player{height:270px}.thumbnail-filmstrip{grid-template-columns:repeat(4,minmax(0,1fr));gap:7px}.thumbnail-filmstrip img{aspect-ratio:1.6}.thumbnail-steps{grid-template-columns:1fr;gap:24px}.thumbnail-how{margin-top:44px}.thumbnail-how>h2,.thumbnail-faq>h2{font-size:23px}.thumbnail-faq{grid-template-columns:1fr;gap:15px;margin-top:40px;padding-top:30px}.thumbnail-cta{flex-direction:column;align-items:flex-start;gap:20px;margin-top:40px;padding:23px}}@media (prefers-reduced-motion:reduce){.thumbnail-main *{transition:none!important;animation:none!important}}