.rewind-frame{margin:1.5rem 0 2rem;border:1px solid var(--line);border-radius:22px;background:#071827;overflow:hidden;box-shadow:0 18px 45px rgba(8,33,50,.12)}
body>header::before{content:"";position:absolute;inset:0 0 auto;height:20px;background:#f8fbfc}
.rewind-frame video{display:block;width:100%;padding:10px;box-sizing:border-box;background:#061827}
.rewind-frame figcaption{padding:1rem 1.15rem;color:rgba(255,255,255,.72);font-size:.82rem;line-height:1.6}
.rewind-shot{margin:1.4rem 0 2rem;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:white}
.rewind-shot img{display:block;width:100%;height:auto}
.rewind-shot figcaption{padding:.8rem 1rem;border-top:1px solid var(--line);color:var(--ink-faint);font-size:.78rem;line-height:1.55}
.rewind-shot-grid{display:grid;grid-template-columns:1fr;gap:1rem;margin:1.4rem 0 2rem}
.rewind-shot-grid .rewind-shot{margin:0}
.rewind-shot-grid figcaption{min-height:4.5rem}
.rewind-callout{margin:1.4rem 0;padding:1.15rem 1.2rem;border:1px solid rgba(11,222,177,.38);border-radius:18px;background:linear-gradient(135deg,#effffc,#eef8ff)}
.rewind-callout b{display:block;color:var(--ink);font-size:1rem}.rewind-callout p{margin:.35rem 0 0;color:var(--ink-soft);font-size:.88rem;line-height:1.65}
.source-link{display:flex;gap:.8rem;align-items:center;margin:1.2rem 0;padding:1rem 1.1rem;border:1px solid var(--line);border-radius:16px;background:var(--mist)}
.source-link strong{color:var(--ink);font-size:.9rem}.source-link span{display:block;color:var(--ink-soft);font-size:.8rem;line-height:1.5}
.related-guide{display:block;margin-top:1rem;padding:1rem 1.1rem;border:1px solid var(--line);border-radius:16px;background:#fff;color:var(--ink);box-shadow:0 8px 24px rgba(8,33,50,.06);transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.related-guide:hover,.related-guide:focus-visible{border-color:rgba(11,222,177,.55);box-shadow:0 12px 28px rgba(8,33,50,.1);transform:translateY(-2px);outline:none}
.related-guide b{display:block;font-size:.84rem;line-height:1.3}
.related-guide span{display:block;margin-top:.3rem;color:var(--ink-soft);font-size:.75rem;line-height:1.5}
#working-example{scroll-margin-top:30px}
@media(max-width:900px){.related-guide{margin-top:0}}
@media(max-width:760px){.rewind-shot-grid{grid-template-columns:1fr}#working-example{scroll-margin-top:40px}}