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var(--border)}.build-step-header{display:flex;align-items:center;gap:1rem}.build-step-label{font-size:1.5rem;font-weight:700;color:var(--accent-secondary)}.build-step-description{font-size:1rem;color:var(--text-secondary)}.build-step-media{display:flex;gap:1rem;flex-wrap:wrap;align-items:center;margin-top:.5rem}.build-step-media img,.build-step-media video{max-height:160px;max-width:200px;border-radius:var(--radius-sm);object-fit:contain}.build-large h2{font-size:3.5rem}.build-large .build-step{padding:1.5rem 2rem}.build-large .build-step-label{font-size:2rem}.build-large .build-step-description{font-size:1.25rem;line-height:1.6}.build-compact .build-steps{gap:.75rem}.build-compact .build-step{gap:.35rem;padding:.6rem 1rem}.build-compact .build-step-header{gap:.75rem}.build-compact .build-step-label{font-size:1.15rem}.build-compact .build-step-description{font-size:.85rem}.build-compact .build-step-media{gap:.75rem;margin-top:.25rem}.build-compact .build-step-media img,.build-compact 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-1}}.slide--illustrated-points{width:100%;flex:1;display:flex;flex-direction:column;min-height:0;overflow:hidden}.slide--illustrated-points h2{font-size:2.5rem;font-weight:700;margin-bottom:1rem;flex-shrink:0}.ip-points{display:flex;flex-direction:column;gap:.75rem;flex:1;min-height:0}.ip-point{display:flex;align-items:flex-start;gap:1.25rem;padding:.6rem 1.1rem;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);flex-shrink:1;min-height:0}.ip-point-text{display:flex;align-items:flex-start;gap:.6rem;font-size:1rem;line-height:1.45;color:var(--text-secondary);flex-shrink:0;max-width:290px;padding-top:.2rem}.ip-point-number{display:flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;background:var(--accent);color:#fff;font-size:.7rem;font-weight:700;flex-shrink:0}.ip-point-visual{flex:1;min-width:0}.ip-badge{position:absolute;top:-8px;right:-8px;width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:800;z-index:2;border:2px solid var(--bg-slide)}.ip-badge--check{background:var(--success);color:#fff}.ip-badge--x{background:#e53935;color:#fff}.ip-image-compare{display:flex;gap:.75rem}.ip-image-card{position:relative;display:flex;flex-direction:column;align-items:center;gap:.35rem}.ip-image-card 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var(--border)}.colab-button--disabled:hover{transform:none;box-shadow:none}.colab-qr{padding:1rem;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow)}.colab-note{font-size:1rem;color:var(--accent-secondary);font-weight:500;margin-top:1rem}.colab-hero-image{max-width:700px;max-height:300px;object-fit:contain;border-radius:var(--radius);border:1px solid var(--border)}.slide--video-autoplay{width:100%;flex:1;display:flex;flex-direction:column;align-items:center;min-height:0;overflow:hidden}.video-autoplay__header{color:var(--accent, #6c63ff);font-size:1.6rem;font-weight:700;text-align:center;letter-spacing:.02em;padding-bottom:12px;flex-shrink:0}.video-autoplay__container{flex:1;display:flex;align-items:center;justify-content:center;width:100%;max-width:1088px;min-height:0;overflow:hidden}.video-autoplay__video{max-width:100%;max-height:100%;object-fit:contain;border-radius:8px;border:1px solid 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#00000040}.slide--retouching-slider{width:100%;flex:1;display:flex;flex-direction:column;align-items:center;min-height:0;overflow:hidden}.rs-title{margin:0 0 12px;font-size:2rem;font-weight:700;color:var(--text-primary, #fff);text-align:center;flex-shrink:0}.rs-wrapper{flex:1;display:flex;align-items:center;justify-content:center;min-height:0;overflow:hidden}.rs-container{position:relative;max-width:900px;max-height:100%;width:100%;border:1px solid var(--border, rgba(255, 255, 255, .12));border-radius:10px;overflow:hidden;cursor:ew-resize;-webkit-user-select:none;user-select:none;touch-action:none;background:var(--bg-elevated, #1e1e1e)}.rs-image{display:block;width:100%;pointer-events:none}.rs-image--after{display:block}.rs-before-clip{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden}.rs-image--before{display:block;width:100%;pointer-events:none}.rs-divider{position:absolute;top:0;bottom:0;width:0;transform:translate(-50%);display:flex;align-items:center;justify-content:center;pointer-events:none;z-index:2}.rs-divider-line{position:absolute;top:0;bottom:0;width:3px;background:#fff;box-shadow:0 0 6px #00000080}.rs-divider-handle{position:relative;z-index:3;width:36px;height:36px;border-radius:50%;background:#0000008c;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px #0006}.rs-label{position:absolute;bottom:12px;padding:4px 14px;font-size:.85rem;font-weight:600;color:#fff;background:#0000008c;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);border-radius:6px;pointer-events:none;z-index:1}.rs-label--before{left:12px}.rs-label--after{right:12px}.slide--panorama-builder{width:100%;flex:1;display:flex;flex-direction:column;align-items:center;min-height:0;overflow:hidden}.pb-title{margin:0 0 4px;font-size:2rem;font-weight:700;color:var(--text-primary, #fff);text-align:center}.pb-subtitle{margin:0 0 12px;font-size:1.05rem;color:var(--text-primary, #ccc);opacity:.75;text-align:center}.pb-source{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:16px;flex-shrink:0}.pb-thumb{width:180px;border-radius:8px;overflow:hidden;cursor:grab;border:2px solid var(--border, rgba(255, 255, 255, .12));background:var(--bg-elevated, #1e1e1e)}.pb-thumb:active{cursor:grabbing}.pb-thumb img{display:block;width:100%;height:auto;pointer-events:none}.pb-thumb--source{transition:transform .15s ease,box-shadow .15s ease}.pb-thumb--source:hover{transform:translateY(-2px);box-shadow:0 4px 16px #0000004d}.pb-thumb-label{padding:4px 0;font-size:.8rem;color:var(--text-primary, #ccc)}.pb-canvas{display:flex;gap:12px;justify-content:center;align-items:center;flex-shrink:0}.pb-slot{width:180px;height:120px;border:2px dashed var(--border, rgba(255, 255, 255, .2));border-radius:8px;display:flex;align-items:center;justify-content:center;background:var(--bg-elevated, rgba(255, 255, 255, .04));transition:border-color .2s ease,background .2s ease;flex-shrink:0}.pb-slot:hover{border-color:var(--accent, #6c63ff);background:#6c63ff0f}.pb-slot--filled{border-style:solid;border-color:var(--border, rgba(255, 255, 255, .2))}.pb-slot--correct{border-color:#4caf50;box-shadow:0 0 12px #4caf5040}.pb-slot .pb-thumb{border:none;width:100%;height:100%}.pb-slot .pb-thumb img{height:100%;object-fit:cover;object-position:center}.pb-slot-placeholder{font-size:1.5rem;font-weight:600;color:var(--text-primary, #555);opacity:.35}.pb-assembled-wrapper{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px}.pb-assembled{position:relative;height:160px;border-radius:10px;overflow:hidden;box-shadow:0 4px 24px #0006}.pb-assembled-img{position:absolute;top:0;height:100%;object-fit:cover;display:block}.pb-complete-msg{margin:0;font-size:1.5rem;font-weight:700;color:#4caf50;text-align:center}.pb-reset{margin-top:auto;padding:8px 28px;font-size:.9rem;font-weight:600;color:var(--text-primary, #fff);background:var(--bg-elevated, #2a2a2a);border:1px solid var(--border, rgba(255, 255, 255, .15));border-radius:8px;cursor:pointer;transition:background .15s ease}.pb-reset:hover{background:#ffffff1a}.slide--two-column{width:100%;flex:1;display:flex;flex-direction:column;min-height:0}.tc-title{font-size:2.5rem;font-weight:700;margin:0 0 1.25rem;color:var(--text-primary)}.tc-body{flex:1;display:flex;gap:2.5rem;min-height:0;align-items:center}.tc-left{flex:1;min-width:0}.tc-bullets{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:1rem}.tc-bullet{display:flex;align-items:flex-start;gap:.75rem;font-size:1.15rem;line-height:1.55;color:var(--text-secondary)}.tc-bullet strong{color:var(--text-primary)}.tc-bullet-icon{color:var(--accent);flex-shrink:0;margin-top:.15em}.tc-right{flex:1;display:flex;align-items:center;justify-content:center;min-width:0;min-height:0}.tc-image{max-width:100%;max-height:100%;object-fit:contain;border-radius:8px;border:1px solid var(--border)}.slide--three-video{width:100%;flex:1;display:flex;flex-direction:column;align-items:center;min-height:0;overflow:hidden}.three-video__title{color:var(--accent, #6c63ff);font-size:1.55rem;font-weight:700;text-align:center;letter-spacing:.02em;margin:0 0 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var(--accent);padding-left:1em;margin:.75em 0;color:var(--text-muted)}@media(max-width:768px){.nav-dots,.nav-section-label,.nav-slide-counter{display:none}.navigation{justify-content:center}}