:root{--font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;--color-background-primary: #ffffff;--color-background-secondary: #f6f7f9;--color-border-tertiary: #e5e7eb;--color-text-primary: #15171a;--color-text-secondary: #667085;--color-accent: #22c55e;--border-radius-md: 10px;--border-radius-lg: 16px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-sans);background:var(--color-background-primary);color:var(--color-text-primary)}a{color:inherit}.page-shell{min-height:100vh;max-width:900px;margin:0 auto}.hero{text-align:center;padding:4rem 1.5rem 2.5rem}.badge{display:inline-flex;align-items:center;gap:7px;background:var(--color-background-secondary);border:.5px solid var(--color-border-tertiary);border-radius:999px;padding:5px 14px;font-size:12px;color:var(--color-text-secondary);margin-bottom:1.25rem}.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--color-accent)}h1{font-size:clamp(28px,5vw,42px);font-weight:600;color:var(--color-text-primary);line-height:1.2;letter-spacing:-.02em}.sub{max-width:650px;margin:14px auto 0;font-size:15px;color:var(--color-text-secondary);line-height:1.7}.divider{border:none;border-top:.5px solid var(--color-border-tertiary);margin:0 1.5rem}.section{padding:2.5rem 1.5rem}.section-title{font-size:13px;font-weight:600;color:var(--color-text-secondary);letter-spacing:.06em;text-transform:uppercase;margin-bottom:1.25rem}.download-card{background:var(--color-background-primary);border:.5px solid var(--color-border-tertiary);border-radius:var(--border-radius-lg);padding:1.25rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}.download-info{display:flex;align-items:center;gap:12px}.dl-icon{width:42px;height:42px;border-radius:var(--border-radius-md);background:var(--color-background-secondary);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--color-text-secondary)}.dl-title{font-size:14px;font-weight:600;color:var(--color-text-primary)}.dl-sub{font-size:12px;color:var(--color-text-secondary);margin-top:3px;line-height:1.5}.btn-primary{display:inline-flex;align-items:center;justify-content:center;background:var(--color-text-primary);color:var(--color-background-primary);border-radius:var(--border-radius-md);padding:9px 17px;font-size:13px;font-weight:500;cursor:pointer;text-decoration:none;white-space:nowrap;transition:opacity .2s ease}.btn-primary:hover{opacity:.8}.steps{display:flex;flex-direction:column;gap:0}.step{display:flex;gap:16px;padding:1.1rem 0;border-bottom:.5px solid var(--color-border-tertiary)}.step:last-child{border-bottom:none}.step-num{width:26px;height:26px;border-radius:50%;background:var(--color-background-secondary);border:.5px solid var(--color-border-tertiary);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;color:var(--color-text-secondary);flex-shrink:0;margin-top:1px}.step-body{flex:1;min-width:0}.step-title{font-size:14px;font-weight:600;color:var(--color-text-primary);margin-bottom:5px}.step-desc{font-size:13px;color:var(--color-text-secondary);line-height:1.7}.inline-code{font-family:var(--font-mono);font-size:12px;background:var(--color-background-secondary);border:.5px solid var(--color-border-tertiary);border-radius:5px;padding:2px 6px}.highlight-link{color:var(--color-text-primary);font-weight:600;text-decoration:underline;text-decoration-color:var(--color-accent);text-decoration-thickness:2px;text-underline-offset:3px}.highlight-link:hover{opacity:.7}.video-card{margin-top:1.75rem;background:var(--color-background-secondary);border:.5px solid var(--color-border-tertiary);border-radius:var(--border-radius-lg);overflow:hidden}.video-header{padding:1.1rem 1.25rem;border-bottom:.5px solid var(--color-border-tertiary)}.video-title{font-size:14px;font-weight:600;color:var(--color-text-primary)}.video-description{font-size:12px;color:var(--color-text-secondary);margin-top:4px;line-height:1.5}.video-wrapper{width:100%;background:#000}.video-wrapper video{display:block;width:100%;max-height:560px;object-fit:contain;background:#000}@media(max-width:600px){.hero{padding:3rem 1.25rem 2rem}.section{padding:2rem 1.25rem}.download-card{align-items:flex-start}.btn-primary{width:100%}.step{gap:12px}.video-wrapper video{max-height:400px}}