.container{max-width:none;margin:0 auto;padding:0 clamp(24px,4vw,80px)}nav{background:var(--surface);border-bottom:1px solid var(--border);overflow-x:auto}.nav-inner{display:flex;gap:0;padding:0 clamp(24px,4vw,80px);white-space:nowrap}.nav-inner a{display:inline-flex;align-items:center;padding:10px 16px;color:var(--text-muted);text-decoration:none;font-size:var(--fs-sm);font-weight:var(--fw-medium);border-bottom:2px solid transparent;transition:all var(--transition)}.nav-inner a:hover{color:var(--accent);background:var(--surface-2)}.nav-inner a.active{color:var(--accent);border-bottom-color:var(--highlight);font-weight:var(--fw-semibold)}.btn{appearance:none;border:1px solid var(--border);background:var(--surface);color:var(--text);padding:10px 18px;border-radius:0;font-size:.875rem;font-weight:500;font-family:var(--sans);text-decoration:none;transition:all var(--transition);display:inline-flex;align-items:center;gap:8px;cursor:pointer}.btn:hover{background:var(--surface-2);border-color:var(--accent);color:var(--accent-2)}.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn-primary:hover{background:#000;border-color:#000}.btn-muted{background:transparent;color:var(--text-muted);border-color:var(--border)}.btn-muted:hover{background:var(--surface-2);color:var(--accent)}.crumb{font-size:.875rem;color:var(--text-light);margin-bottom:4px;padding-top:14px}.crumb a{color:var(--text-muted);text-decoration:none;transition:color var(--transition)}.crumb a:hover{color:var(--highlight)}.hero{background:transparent;padding:0 0 20px;margin-bottom:0;border-bottom:1px solid var(--border)}.hero-grid{display:grid;grid-template-columns:1fr minmax(220px,340px);gap:28px;align-items:start}.detail-progress{display:flex;align-items:center;gap:6px;font-size:var(--fs-xs);color:var(--text-light);margin-bottom:6px}.detail-progress-sep{color:var(--border);font-size:.8rem}.hero-title{font-family:var(--display);font-size:var(--fs-h1);letter-spacing:var(--track-display);line-height:1.15;margin-bottom:6px;color:var(--text);font-weight:var(--fw-regular)}.hero-meta{color:var(--text-light);font-size:var(--fs-sm);margin-bottom:8px}.hero-desc{color:var(--text-muted);font-size:var(--fs-sm);max-width:60ch;margin-bottom:14px;line-height:1.5}.hero-actions{display:flex;gap:8px;flex-wrap:wrap}.hero-preview{display:block;overflow:hidden;box-shadow:var(--shadow);aspect-ratio:4/3;background:var(--surface-2)}.hero-preview img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.4,0,.2,1)}.hero-preview:hover img{transform:scale(1.04)}.section{margin-top:32px}.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:14px}.section-title{font-family:var(--display);font-size:var(--fs-h3);font-weight:var(--fw-regular);letter-spacing:var(--track-tight);color:var(--text)}.soft{color:var(--text-light);font-size:.8125rem}.soft strong{color:var(--highlight);font-weight:var(--fw-semibold)}.empty{text-align:center;padding:48px 16px;color:var(--text-light);font-size:var(--fs-sm)}.files{display:grid;gap:10px}.file-card{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:14px 16px;border:1px solid var(--border);background:var(--surface);transition:all var(--transition)}.file-card:hover{box-shadow:var(--shadow-md)}.file-title{font-family:var(--display);font-weight:var(--fw-regular);font-size:.92rem;color:var(--text);text-decoration:none;letter-spacing:-.01em}.file-title:hover{text-decoration:underline}.file-desc{color:var(--text-light);font-size:var(--fs-xs);margin-top:2px}.pill{display:inline-flex;gap:8px;align-items:baseline;color:var(--text-muted);font-size:.72rem}.pill strong{color:var(--highlight);font-family:var(--display);font-size:1rem;font-weight:var(--fw-regular)}.lightbox{position:fixed;inset:0;z-index:1000;background:#191817d9;backdrop-filter:blur(6px);display:none;align-items:center;justify-content:center}.lightbox[aria-hidden=false]{display:flex}.lightbox-dialog{background:var(--surface);max-width:90vw;max-height:90vh;display:flex;flex-direction:column;box-shadow:var(--shadow-lg)}.lightbox-head{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--border)}.lightbox-title-row{display:flex;align-items:baseline;gap:12px}.lightbox-title{font-family:var(--display);font-weight:var(--fw-regular);font-size:.95rem;color:var(--text)}.lightbox-count{font-size:var(--fs-xs);color:var(--text-light)}.lightbox-close{background:none;border:none;font-size:1.6rem;color:var(--text-muted);cursor:pointer;padding:4px 8px;line-height:1;transition:color var(--transition)}.lightbox-close:hover{color:var(--accent)}.lightbox-body{position:relative;flex:1;min-height:0;display:flex;align-items:center;justify-content:center;background:var(--surface-2)}.lightbox-body img{max-width:100%;max-height:70vh;object-fit:contain}.lightbox-nav{position:absolute;inset:0;display:flex;justify-content:space-between;align-items:center;pointer-events:none}.lightbox-nav button{pointer-events:all;background:#fffdf8e6;border:1px solid var(--border);color:var(--accent);font-size:1.8rem;padding:8px 14px;cursor:pointer;margin:12px;transition:all var(--transition);line-height:1}.lightbox-nav button:hover{background:var(--accent);color:#fff;border-color:var(--accent)}.lightbox-foot{padding:12px 16px;border-top:1px solid var(--border)}.lightbox-sub{font-size:var(--fs-xs);color:var(--text-light);margin-top:2px}.toast-wrap{position:fixed;bottom:20px;left:50%;transform:translate(-50%);z-index:9999;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}.toast{pointer-events:all;background:var(--accent);color:#fff;padding:10px 20px;font-size:var(--fs-sm);font-weight:var(--fw-medium);box-shadow:var(--shadow-lg);animation:toastIn .25s ease-out}.toast.out{animation:toastOut .25s ease-in forwards}@keyframes toastIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes toastOut{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-8px)}}@media (max-width: 640px){.header-inner{padding:16px 20px}.brand h1{font-size:1.5rem}.hero-grid{grid-template-columns:1fr}.hero-preview{max-height:240px}.hero-actions{gap:6px}.hero-actions .btn{padding:8px 12px;font-size:.78rem}.grid{grid-template-columns:1fr 1fr}.file-card{flex-direction:column;align-items:flex-start;gap:10px}.file-card>div:last-child{width:100%}.lightbox-dialog{max-width:98vw}.nav-inner{padding:0 20px}}body{background:#fff}.product-hero{display:grid;grid-template-columns:76px minmax(340px,1.18fr) minmax(260px,.74fr) minmax(250px,.74fr);gap:clamp(16px,2vw,28px);align-items:start;padding:44px 0 48px;border-bottom:1px solid var(--border-light)}.product-thumbs{display:flex;flex-direction:column;gap:10px;height:clamp(280px,27vw,430px);overflow-y:auto;padding-top:2px;padding-right:3px;scrollbar-color:var(--border) transparent;scrollbar-width:thin}.product-thumb{display:block;flex:0 0 auto;aspect-ratio:1;padding:0;overflow:hidden;border:1px solid var(--border);background:var(--surface-2);cursor:pointer;transition:border-color var(--transition),transform var(--transition)}.product-thumb.is-active{border:2px solid var(--accent)}.product-thumb:hover{border-color:var(--accent);transform:translateY(-1px)}.product-thumb:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.product-thumb img{width:100%;height:100%;display:block;object-fit:cover}.product-main-image{position:relative;display:block;aspect-ratio:1.25 / 1;width:100%;padding:0;overflow:hidden;border:0;background:var(--surface-2);color:var(--text);cursor:zoom-in;text-align:inherit}.product-main-image:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.product-main-image-empty{display:grid;place-items:center;color:var(--text-light);cursor:default}.product-main-image img{width:100%;height:100%;display:block;object-fit:cover;transition:transform .4s cubic-bezier(.4,0,.2,1)}.product-main-image:hover img{transform:scale(1.03)}.product-image-expand{position:absolute;top:16px;right:16px;display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:#191817db;color:#fff;font-size:1.3rem;line-height:1}.product-copy{min-width:0;padding:10px 4px 0}.product-category{color:var(--accent-2);font-size:.82rem;font-weight:var(--fw-medium);letter-spacing:.1em;text-transform:uppercase;margin-bottom:10px}.product-copy .hero-title{margin-bottom:10px;font-size:clamp(3.2rem,5vw,5rem);line-height:.95}.product-copy .hero-meta{color:var(--text-light);font-size:.9rem;letter-spacing:.02em}.product-copy .hero-actions{margin-top:36px;gap:10px}.product-copy .hero-actions .btn{flex:1 1 145px;min-height:50px;padding-inline:18px}.product-copy .hero-actions .is-disabled{cursor:not-allowed;opacity:.58}.spec-card{min-width:0;padding:24px 22px;border:1px solid var(--border);background:#fbfaf8}.spec-card-kicker{color:var(--accent-2);font-size:.7rem;font-weight:var(--fw-semibold);letter-spacing:.14em;text-transform:uppercase}.spec-card-title{margin:8px 0 16px;font-family:var(--display);font-size:1.8rem;line-height:1}.spec-list{border-top:1px solid var(--border)}.spec-row{display:grid;grid-template-columns:36px minmax(0,1fr);gap:10px;padding:13px 0;border-bottom:1px solid var(--border)}.spec-row-index{color:var(--accent);font-size:.68rem;font-weight:var(--fw-semibold);letter-spacing:.08em}.spec-row-label{display:block;margin-bottom:3px;color:var(--text-light);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase}.spec-row strong{display:block;color:var(--text);font-size:.88rem;font-weight:var(--fw-medium);line-height:1.35}.spec-empty{padding:14px 0;color:var(--text-light);font-size:.85rem;line-height:1.45}@media (max-width: 1180px){.product-hero{grid-template-columns:70px minmax(300px,1.05fr) minmax(280px,.9fr)}.spec-card{grid-column:3}}@media (max-width: 900px){.product-hero{grid-template-columns:72px minmax(0,1fr)}.product-copy,.spec-card{grid-column:2}.product-copy{padding-top:28px}.spec-card{margin-top:0}}@media (max-width: 640px){.product-hero{grid-template-columns:1fr;gap:16px;padding-top:28px}.product-main-image{order:1;aspect-ratio:1.2 / 1}.product-thumbs{order:2;flex-direction:row;height:auto;overflow-x:auto;overflow-y:visible;padding-right:0}.product-thumb{flex:0 0 64px}.product-copy,.spec-card{grid-column:auto}.product-copy{order:3;padding-top:10px}.spec-card{order:4}}@media (max-width: 700px){.product-hero{grid-template-columns:minmax(0,1fr);gap:16px;padding-top:28px}.product-copy,.spec-card{grid-column:auto}.product-copy{order:1;padding-top:0}.product-copy .hero-title{max-width:12ch;font-size:clamp(2.35rem,10.5vw,3.4rem);overflow-wrap:anywhere}.product-main-image{order:2;aspect-ratio:1.18 / 1}.product-thumbs{order:3;flex-direction:row;width:100%;height:auto;min-width:0;overflow-x:auto;overflow-y:visible;overscroll-behavior-inline:contain;padding:2px 0 4px;scroll-padding-inline:2px;scroll-snap-type:inline proximity}.product-thumb{flex:0 0 clamp(64px,18vw,78px);min-height:64px;scroll-snap-align:start}.spec-card{order:4;padding:clamp(18px,5vw,24px)}.spec-row{grid-template-columns:30px minmax(0,1fr);gap:8px}.spec-row strong{overflow-wrap:anywhere}}@media (max-width: 480px){.product-copy .hero-actions{margin-top:24px;gap:8px}.product-copy .hero-actions .btn{flex:1 1 100%;width:100%;min-height:48px}.product-image-expand{top:12px;right:12px;width:36px;height:36px}}@media (max-width: 700px){.product-copy{display:contents}.product-category,.product-copy .hero-title,.product-copy .hero-meta,.product-copy .hero-actions{min-width:0}.product-category{order:1;margin-bottom:0}.product-copy .hero-title{order:2;margin-top:8px}.product-copy .hero-meta{order:3}.product-main-image{order:4}.product-thumbs{order:5}.product-copy .hero-actions{order:6;margin-top:0}.spec-card{order:7}}@media (max-width: 640px){.file-title{display:inline-flex;align-items:center;max-width:100%;min-height:44px;padding-block:8px;line-height:1.3;overflow-wrap:anywhere}}@media (max-width: 480px){.lightbox-close{display:grid;place-items:center;min-width:44px;min-height:44px;padding:0}.lightbox-nav button{display:grid;place-items:center;min-width:44px;min-height:44px;padding:0 10px}}