:root{color-scheme:dark;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:#0a0d12;color:#e7edf5;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}html,body{min-width:320px;min-height:100%;margin:0;background:#0a0d12}body{min-height:100vh}button{font:inherit}button:focus-visible{outline:2px solid #8ad8c8;outline-offset:3px}.app-shell{min-height:100vh;background:linear-gradient(140deg,#0a0d12,#101720 55%,#0b1016)}.topbar{display:flex;align-items:flex-end;justify-content:space-between;gap:2rem;min-height:116px;padding:28px 34px 24px;border-bottom:1px solid #27313d}.brand-block h1,.case-header h2,.panel-heading h3{margin:0;letter-spacing:-.03em}.brand-block h1{font-size:clamp(1.7rem,2.4vw,2.45rem);line-height:1;font-weight:680}.topbar-note{max-width:40rem;margin:11px 0 0;color:#8f9aaa;font-size:.95rem;line-height:1.5}.eyebrow{margin:0 0 10px;color:#7ccfc0;font-size:.75rem;font-weight:720;letter-spacing:.16em}.case-stack{display:grid;gap:22px;padding:24px 28px 34px}.case-showcase{overflow:hidden;border:1px solid #27313d;border-radius:18px;background:#0b1016b8;box-shadow:0 18px 44px #00000024}.case-header{display:flex;align-items:flex-start;justify-content:space-between;gap:1.5rem;padding:24px 30px 22px;border-bottom:1px solid #27313d;background:#0e151d8c}.case-header h2{font-size:clamp(1.25rem,2vw,1.65rem);font-weight:650}.case-description{max-width:48rem;margin:8px 0 0;color:#8f9aaa;font-size:.9rem;line-height:1.55}.case-badge,.model-status{display:inline-flex;align-items:center;min-height:28px;padding:5px 10px;border:1px solid #31514d;border-radius:999px;color:#9edacf;font-size:.76rem;white-space:nowrap}.model-status{border-color:#384654;color:#a6b5c4}.model-status.is-ready{border-color:#31514d;color:#9edacf}.model-status.is-error{border-color:#6e3c42;color:#ffb8b8}.case-layout{display:grid;grid-template-columns:minmax(280px,28%) minmax(0,72%)}.reference-panel,.model-panel{min-width:0}.reference-panel{display:flex;flex-direction:column;gap:18px;padding:30px 28px 26px 34px;border-right:1px solid #27313d;background:#0b1016cc}.model-panel{display:flex;flex-direction:column;min-height:670px;padding:30px 34px 26px 28px}.panel-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem}.panel-heading h3{font-size:1.18rem;font-weight:650}.model-heading{flex:0 0 auto}.image-stage{position:relative;display:grid;place-items:center;aspect-ratio:3 / 4;overflow:hidden;border:1px solid #2b3743;border-radius:15px;background:#0b1118;box-shadow:0 16px 34px #0003}.image-stage:after{position:absolute;inset:0;border:1px solid rgba(211,238,232,.08);border-radius:inherit;content:"";pointer-events:none}.reference-image{display:block;width:100%;height:100%;object-fit:contain;opacity:0;transition:opacity .2s ease}.reference-image.is-loaded{opacity:1}.image-placeholder{position:absolute;color:#8695a5;font-size:.86rem}.image-placeholder.is-hidden{display:none}.frame-index{position:absolute;right:14px;bottom:13px;z-index:1;padding:6px 9px;border:1px solid rgba(217,234,230,.2);border-radius:7px;background:#080c10b8;color:#dcebe7;font-variant-numeric:tabular-nums;font-size:.78rem;letter-spacing:.08em}.frame-slash{margin:0 4px;color:#768897}.case-specs{display:grid;gap:11px;margin:0;padding:15px 0 0;border-top:1px solid #26313c}.case-specs div{display:flex;justify-content:space-between;gap:12px}.case-specs dt{color:#778696;font-size:.78rem}.case-specs dd{max-width:68%;margin:0;color:#ced9e2;font-size:.78rem;text-align:right;overflow-wrap:anywhere}.model-stage{position:relative;flex:1 1 auto;min-height:500px;margin-top:20px;overflow:hidden;border:1px solid #2a3845;border-radius:17px;background:radial-gradient(circle at 50% 45%,rgba(52,78,91,.28),transparent 42%),linear-gradient(135deg,#111b24,#070a0e);box-shadow:inset 0 0 0 1px #ffffff05,0 20px 50px #0003}.model-stage:before{position:absolute;inset:0;z-index:0;background-image:linear-gradient(rgba(142,181,182,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(142,181,182,.05) 1px,transparent 1px);background-size:52px 52px;mask-image:radial-gradient(ellipse at center,black 0%,transparent 76%);content:"";pointer-events:none}.model-stage iframe{position:absolute;inset:0;z-index:1;width:100%;height:100%;border:0;background:transparent}.model-placeholder{position:absolute;inset:0;z-index:2;display:grid;place-content:center;justify-items:center;gap:12px;color:#94a5b3;background:#070a0e57;pointer-events:none}.model-placeholder.is-hidden{display:none}.model-placeholder p{margin:0;font-size:.88rem}.loader-ring{width:25px;height:25px;border:2px solid #34505a;border-top-color:#8ad8c8;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.model-footer{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-top:15px}.model-actions{display:flex;gap:8px}.secondary-button{padding:8px 12px;border:1px solid #344351;border-radius:8px;background:#131c25;color:#d9e7ee;cursor:pointer;font-size:.8rem;transition:background .2s ease,border-color .2s ease}.secondary-button:hover{border-color:#74c8b8;background:#1c2a31}.gesture-hint{margin:0;color:#7f8e9f;font-size:.78rem}.global-error{margin:0 28px 26px;padding:10px 12px;border:1px solid #6e3c42;border-radius:8px;background:#54232a59;color:#ffc0c0;font-size:.82rem;line-height:1.45}.model-panel:fullscreen{padding:24px;background:#080b10}.model-panel:fullscreen .model-stage{margin-top:15px}@media (max-width: 820px){.topbar{align-items:flex-start;min-height:auto;padding:24px 20px 20px}.case-stack{gap:18px;padding:18px 14px 26px}.case-header{padding:22px 20px 19px}.case-layout{display:block}.reference-panel{padding:24px 20px 22px;border-right:0;border-bottom:1px solid #27313d}.image-stage{max-height:62vh;aspect-ratio:3 / 4}.model-panel{min-height:70vh;padding:24px 20px 22px}.model-stage{min-height:430px;margin-top:17px}.global-error{margin-right:14px;margin-left:14px}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.001ms!important;transition-duration:.001ms!important}}