.competition-intro{padding:16px 0 40px}.competition-intro h1{font-size:clamp(32px,3.5vw,52px);line-height:1.4;margin:20px 0;max-width:1000px}.product-lead{max-width:840px;color:var(--muted);font-size:16px;line-height:1.9;margin-bottom:24px}.training-problem{display:grid;grid-template-columns:160px 1fr;gap:24px;border-top:1px solid var(--line);padding-top:24px;margin-top:40px}.training-problem>span{color:var(--accent);font-size:14px}.training-problem p{font-size:14px;color:var(--muted);line-height:1.9;max-width:800px}.cinema{margin:0 0 40px;scroll-margin-top:24px}.cinema-heading{display:flex;justify-content:space-between;gap:16px;background:var(--film);color:var(--film-text);padding:16px 24px;font-size:14px}.cinema-heading span:last-child{color:var(--film-muted);font-size:12px}.demo-film{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:contain;background:#20292d}.demo-film:fullscreen{width:100vw;height:100vh;object-fit:contain;background:#141b1e}.cinema-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding:16px 0}.cinema-status{font-size:13px;color:var(--muted);margin-left:auto}.film-disclosure{font-size:12px;line-height:1.8;color:var(--muted);margin:8px 0 20px}.chapter-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px}.chapter{display:flex;flex-direction:column;align-items:flex-start;text-align:left;gap:12px;padding:20px;background:#e2e9e9;border:0;border-top:2px solid transparent;min-width:0;font-size:15px;color:var(--text)}.chapter-number{font-size:12px;color:var(--muted)}.chapter small{font-size:12px;color:var(--muted)}.chapter.active{background:#d6e8e7;border-top-color:var(--accent)}.chapter-explanation{padding:24px;background:var(--white);min-height:152px}.chapter-explanation h3{font-size:18px;margin-bottom:12px}.chapter-explanation p{font-size:15px;color:var(--muted);line-height:1.85;max-width:900px}.product-story{margin:48px 0}.value-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;margin:32px 0 48px}.value-grid article{border-top:1px solid var(--line);padding:24px 0}.value-index{color:var(--accent);font-size:13px}.value-grid h3{font-size:22px;font-weight:300;margin:16px 0}.value-grid p,.journey p,.capability-grid p,.demo-next p{font-size:14px;color:var(--muted);line-height:1.9}.journey{padding:32px;background:#e3ebeb;border-radius:4px;margin:40px 0}.journey ol{padding:0;list-style:none;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:16px;counter-reset:step;margin:32px 0}.journey li{counter-increment:step;border-top:1px solid #9eb6b7;padding-top:16px;font-size:15px}.journey li::before{content:'0' counter(step);display:block;color:var(--accent);font-size:12px;margin-bottom:12px}.journey p{margin-bottom:24px}.capability-section{margin:48px 0}.capability-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.capability-grid article{background:var(--white);padding:24px;border-radius:4px}.capability-grid h3{font-size:20px;font-weight:300;margin:16px 0 12px}.research-note{font-size:13px;color:var(--muted);margin-top:24px;line-height:1.8}.demo-next{padding:32px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:32px;align-items:center}.demo-next p{margin-top:12px;max-width:640px}.demo-next .actions{flex-shrink:0}.demo-entry-strip{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;background:var(--accent-dark);margin-bottom:24px}.demo-entry-strip p{font-size:13px;color:var(--muted)}
@media(hover:hover){.chapter:hover{background:#cbdedd}}
@media(max-width:1024px){.demo-next{display:block}.demo-next .actions{margin-top:24px}.value-grid{gap:24px}.journey ol{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:768px){.competition-intro{padding-top:8px}.competition-intro h1{font-size:32px}.training-problem{grid-template-columns:1fr;gap:12px}.cinema-heading{padding:12px;flex-wrap:wrap;gap:4px}.cinema-toolbar{gap:8px}.cinema-status{width:100%;margin-left:0}.chapter-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.chapter{padding:16px;font-size:14px;gap:8px}.chapter-explanation{padding:20px;min-height:0}.value-grid,.capability-grid{grid-template-columns:1fr;gap:16px}.journey{padding:24px}.journey ol{grid-template-columns:repeat(2,minmax(0,1fr))}.demo-entry-strip{align-items:flex-start;flex-direction:column}.product-story{margin-top:32px}}