.tutorial-dialog{box-sizing:border-box;width:min(1180px,94vw);max-height:94dvh;margin:auto;padding:0;border:1px solid #39716b;border-radius:20px;color:#eaf8f3;background:#0b2429;overflow:auto;box-shadow:0 24px 100px #000a}.tutorial-dialog::backdrop{background:#020e12df;backdrop-filter:blur(7px)}.tutorial-dialog-body{padding:clamp(16px,3vw,30px)}.tutorial-dialog header{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:20px}.tutorial-dialog h2{font-size:clamp(20px,2.5vw,30px);margin:8px 0 0;line-height:1.2}.tutorial-dialog .s-eyebrow{font-size:10px;color:#8cddc7;letter-spacing:1.3px}.tutorial-dialog video{width:100%;max-height:65dvh;aspect-ratio:16/9;display:block;background:#031116;border-radius:10px}.tutorial-dialog p{color:#b9d1cb;line-height:1.7}.tutorial-chapters{display:flex;gap:7px;flex-wrap:wrap;margin-top:15px}.tutorial-chapters button{border:1px solid #41675f;background:#123139;color:#b8edda;padding:7px 10px;border-radius:7px;cursor:pointer;font-size:12px}.tutorial-chapters button:hover{background:#214b4c}.tutorial-chapters button:disabled{opacity:.45;cursor:wait}.tutorial-close{display:grid;place-items:center;flex-shrink:0;width:42px;height:42px;border:1px solid #4c7774;border-radius:50%;color:#e6f6ef;background:#16383d;cursor:pointer}.tutorial-actions{display:flex;gap:12px 20px;flex-wrap:wrap;align-items:center;margin:20px 0 0}.tutorial-actions>a:not(.s-button){color:#9fe6d3;font-size:13px}.s-nav .tutorial-nav{font:inherit;background:none;border:0;color:inherit;cursor:pointer;padding:0}.tutorial-library{padding-block:35px 60px}.tutorial-card{margin-bottom:32px;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:30px;padding:clamp(20px,3vw,36px);scroll-margin-top:100px}.tutorial-poster{padding:0;border:1px solid #355854;border-radius:14px;overflow:hidden;position:relative;cursor:pointer;color:#e3fff3;background:#0a2027;width:100%;display:block}.tutorial-poster img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;display:block}.tutorial-poster .tutorial-play{position:absolute;inset:0;display:grid;place-content:center;background:#00161d20}.tutorial-play>span{display:grid;place-items:center;width:64px;height:64px;border-radius:50%;background:#7ee5c9;color:#092a2e;box-shadow:0 4px 30px #0008}.tutorial-card h2{font-size:clamp(24px,2.7vw,36px);margin:12px 0;letter-spacing:-1px;line-height:1.15}.tutorial-card p{color:#b3ccc5;line-height:1.8}.tutorial-card details{grid-column:1/-1;border-top:1px solid #2c4a47;padding-top:20px}.tutorial-card summary{cursor:pointer;color:#9ce8cf;font-weight:600}.tutorial-transcript{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 35px;margin-top:22px}.tutorial-transcript h3{font-size:16px;color:#e4f5eb}.tutorial-transcript p{font-size:14px}.rf-site .contact-history{margin-top:25px}.rf-site .contact-history h2{font-size:25px;margin:12px 0}.rf-site .contact-history p{color:#adcac0;line-height:1.8}.rf-site .contact-history .admin-request{margin-top:15px}.rf-site .contact-history summary{display:flex;gap:12px;justify-content:space-between;align-items:center}.rf-site .contact-history .admin-request-body{display:block}@media(max-width:760px){.tutorial-card,.tutorial-transcript{grid-template-columns:1fr}.tutorial-dialog{width:96vw;border-radius:14px}.tutorial-dialog video{max-height:52dvh}.tutorial-actions{align-items:flex-start}.s-nav .tutorial-nav{padding:12px 0;text-align:left}.tutorial-card details{grid-column:auto}}@media(prefers-reduced-motion:reduce){.tutorial-dialog::backdrop{backdrop-filter:none}}