.sf-top{position:fixed;top:0;left:0;right:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 14px 22px;background:linear-gradient(rgba(0,0,0,.62),transparent)}.sf-top .logo{color:#fff;font-weight:800;font-family:monospace}.sf-top a.sf-back{display:flex;align-items:center;gap:7px;min-height:44px;padding:0 14px;color:#fff;font-size:14px;font-weight:700;border-radius:16px;border:1px solid rgba(255,255,255,.55);text-decoration:none}.sf-feed{height:100vh;height:100dvh;overflow-y:scroll;scroll-snap-type:y mandatory;background:#000}.sf-item{position:relative;height:100vh;height:100dvh;scroll-snap-align:start;overflow:hidden}.sf-frame{position:absolute;inset:0;display:flex;align-items:flex-end;justify-content:center}.sf-item video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#000;z-index:1}.sf-rail{position:absolute;right:10px;bottom:246px;z-index:3;display:flex;flex-direction:column;align-items:center;gap:16px}.sf-rail .sf-act{display:flex;flex-direction:column;align-items:center;gap:3px;background:none;border:0;padding:0;font-family:inherit;color:#fff;cursor:pointer}.sf-rail .sf-act .sf-ico{display:flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:26px;background:#0000006b;border:1px solid rgba(255,255,255,.35)}.sf-rail .sf-heart .sf-ico{background:#ff7eb638;border-color:#ff7eb6}.sf-rail .sf-sound[data-on="1"] .sf-ico{background:#ffd84d38;border-color:var(--yellow)}.sf-play{position:absolute;inset:0;z-index:3;display:flex;align-items:center;justify-content:center;pointer-events:none}.sf-play[hidden]{display:none}.sf-play span{display:flex;align-items:center;justify-content:center;width:76px;height:76px;border-radius:38px;background:#0000008c;border:1px solid rgba(255,255,255,.5)}.sf-rail .sf-act span:last-child{font-size:13px;font-weight:700}.sf-overlay{position:relative;z-index:2;padding:18px;padding-bottom:calc(12dvh + env(safe-area-inset-bottom));color:#fff;width:100%;background:linear-gradient(transparent,#000000b8 38%,#000000e0)}.sf-overlay h2{font-size:23px;line-height:1.2;margin:0;padding-inline-end:74px}.sf-overlay p{font-size:14px;margin:5px 0 14px;opacity:.85}.sf-overlay .sf-cta{display:flex;align-items:center;justify-content:center;gap:8px;min-height:52px;background:var(--yellow);color:var(--navy);border-radius:16px;font-size:16px;font-weight:800;text-decoration:none;box-shadow:0 3px 0 var(--yellow-sh)}.sf-empty{height:100vh;height:100dvh;display:flex;align-items:center;justify-content:center;color:#fff;text-align:center;padding:0 24px}.sf-hint{position:absolute;z-index:4;top:76px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:7px;white-space:nowrap;background:#0000008c;color:#fff;font-size:13px;font-weight:600;border-radius:16px;padding:8px 14px;transition:opacity .3s}.sf-hint[hidden]{display:none}.sf-tail{height:100vh;height:100dvh;scroll-snap-align:start;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;color:#fff;padding:0 28px}.sf-tail h2{font-size:22px;margin:0}.sf-tail p{font-size:14px;margin:0;color:#8aa0bb;line-height:1.55;max-width:300px}.sf-tail .sf-tail-primary{display:flex;align-items:center;justify-content:center;min-height:52px;width:min(320px,100%);margin-top:6px;background:var(--yellow);color:var(--navy);border:0;border-radius:16px;font-family:inherit;font-size:16px;font-weight:800;text-decoration:none;box-shadow:0 3px 0 var(--yellow-sh);cursor:pointer}.sf-tail .sf-tail-ghost{display:flex;align-items:center;justify-content:center;min-height:48px;width:min(320px,100%);border:1px solid rgba(255,255,255,.4);border-radius:16px;color:#fff;font-size:15px;font-weight:700;text-decoration:none}@media(min-width:900px){.sf-top{padding:16px 40px 22px}.sf-item{display:flex;align-items:center;justify-content:center}.sf-item:before{content:"";position:absolute;inset:-50px;background:var(--poster) center/cover no-repeat;filter:blur(40px) brightness(.42);z-index:0}.sf-frame{position:relative;inset:auto;height:100%;width:auto;aspect-ratio:9/16;max-width:100%;overflow:hidden}.sf-overlay{padding-bottom:calc(12dvh + 8px)}}