:root{--red:#e60012;--ink:#202a32;--muted:#697781;--line:#d9dee2;--bg:#f2f4f5}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-padding-top:80px}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}button,input,select{font:inherit;color:inherit}button,a{-webkit-tap-highlight-color:transparent;touch-action:manipulation}button{cursor:pointer;border:0;background:transparent}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #245f9f;outline-offset:3px}h1,h2,h3,p{margin:0}img{max-width:100%}button img,.icon{display:block;flex:none}#header{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid #eef0f2;padding:env(safe-area-inset-top) max(16px,calc((100vw - 1200px)/2)) 0}.topbar{display:flex;align-items:center;gap:8px;min-height:64px}.brand{display:block;width:177.3px;height:auto}.top-title{font-size:16px;font-weight:700}.preview-badge{margin-left:auto;white-space:nowrap;font-size:11px;line-height:24px;padding:0 9px;color:var(--muted);border:1px solid var(--line);border-radius:16px}.back{width:32px;height:44px;display:grid;place-items:center;margin-left:-8px}.back img{width:24px;height:24px}#app{max-width:1200px;margin:0 auto;padding:20px 16px calc(100px + env(safe-area-inset-bottom));min-height:75vh}.stack{display:flex;flex-direction:column;gap:16px}.intro h1,.list-intro h1{font-size:24px;line-height:34px;font-weight:700}.intro p,.list-intro p{font-size:13px;line-height:20px;color:var(--muted);margin-top:4px}.list-intro p{margin-top:12px}.search{height:48px;display:flex;align-items:center;gap:12px;padding:0 12px;border:1px solid var(--line);border-radius:12px;background:#fff}.search img{width:24px;height:24px;flex:none}.search input{min-width:0;width:100%;border:0;outline:0;background:transparent;height:44px;font-size:14px}.search:focus-within{border-color:#a9b5be;box-shadow:0 0 0 2px #d9dee250}.search input::placeholder{color:var(--muted);opacity:1}.channels{display:grid;grid-template-columns:1fr 1fr;gap:12px}.channel{display:flex;flex-direction:column;justify-content:center;gap:4px;min-height:82px;border-radius:12px;background:#fff;padding:16px}.channel.engineering{background:var(--red);color:#fff}.channel strong{font-size:17px;line-height:26px}.channel span{font-size:12px;line-height:18px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:28px}.section-heading h2{font-size:18px;line-height:26px}.section-heading a,.section-heading span{font-size:12px;color:var(--muted)}.cards{display:grid;grid-template-columns:minmax(0,1fr);gap:16px}.card{display:block;background:#fff;border-radius:12px;overflow:hidden;min-width:0}.card>img{display:block;width:100%;aspect-ratio:358/188;object-fit:cover;background:#e8ecef}.card-info{display:flex;flex-direction:column;gap:4px;padding:16px}.card h3{font-size:17px;line-height:26px;font-weight:700;overflow-wrap:anywhere}.card .meta{font-size:12px;line-height:18px;color:var(--muted)}.card .products{font-size:13px;line-height:20px;font-weight:500}.card .photo-type{font-size:11px;line-height:16px;color:var(--muted)}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{display:inline-flex;align-items:center;justify-content:center;min-height:36px;padding:6px 14px;font-size:13px;line-height:20px;border:1px solid var(--line);border-radius:8px;background:#fff}.chip.selected{color:var(--red);background:#fff1f2;border-color:var(--red);font-weight:500}.tools{display:flex;gap:8px}.tools .chip{flex:1;gap:6px;padding-left:8px;padding-right:8px}.tools img{width:24px;height:24px}.muted{font-size:12px;line-height:20px;color:var(--muted)}.center{text-align:center}.primary,.secondary{display:flex;align-items:center;justify-content:center;min-height:48px;padding:12px 16px;border-radius:12px;line-height:22px;font-size:14px;font-weight:500;text-align:center}.primary{background:var(--red);color:#fff;border:1px solid var(--red)}.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}.empty{display:flex;flex-direction:column;align-items:center;gap:16px;padding:32px 24px;background:#fff;border-radius:12px;text-align:center}.empty h2{font-size:20px;line-height:30px}.empty img{width:24px;height:24px}.empty .primary{width:100%}#bottom{position:fixed;bottom:0;left:0;right:0;z-index:20;display:flex;justify-content:center;background:#fff;border-top:1px solid #eef0f2;padding:10px 16px max(12px,env(safe-area-inset-bottom));min-height:74px}.tab{display:flex;flex:1;max-width:400px;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:var(--muted);font-size:11px;line-height:16px;min-height:42px}.tab img{width:24px;height:24px}.tab.active{color:var(--red);font-weight:500}.detail{display:flex;flex-direction:column;gap:16px;min-width:0}.detail-cover{display:block;width:100%;aspect-ratio:358/226;object-fit:cover;background:#e8ecef;cursor:zoom-in}.detail h1{font-size:22px;line-height:32px;font-weight:700}.detail .place{font-size:13px;line-height:20px;color:var(--muted)}.detail .status{background:#fff;border-radius:8px;padding:12px;font-size:13px;line-height:21px}.anchor-tabs{position:sticky;top:64px;z-index:10;display:flex;align-items:center;background:#fff;padding:8px;min-height:44px}.anchor-tabs a{flex:1;text-align:center;font-size:13px;line-height:24px;color:var(--muted)}.anchor-tabs a:first-child{color:var(--red)}.detail section{display:flex;flex-direction:column;gap:16px;scroll-margin-top:124px}.detail section h2{font-size:18px;line-height:26px}.body-copy{font-size:14px;line-height:24px;white-space:pre-line;overflow-wrap:anywhere}.product-row{display:flex;flex-direction:column;gap:4px;background:#fff;border-radius:12px;padding:16px;overflow-wrap:anywhere}.product-row h3{font-size:16px;line-height:24px}.product-row .model{font-size:14px;line-height:22px}.product-row .space{font-size:12px;line-height:18px;color:var(--muted)}.notice{background:#fff6e8;color:#8a5715;font-size:12px;line-height:19px;padding:12px;border-radius:8px;white-space:pre-line}.photos{display:grid;gap:16px}.photos figure{margin:0;min-width:0}.photos img{display:block;width:100%;height:auto;cursor:zoom-in;background:#e8ecef}.photos figcaption{font-size:12px;line-height:20px;color:var(--muted);margin-top:8px}.detail-actions{display:flex;gap:12px;width:100%;max-width:860px}.detail-actions .secondary{flex:0 0 35%}.detail-actions .primary{flex:1}.loading{padding:32px 0;color:var(--muted)}dialog{color:var(--ink);border:0;padding:0}dialog::backdrop{background:#202a3270}.filter-dialog{position:fixed;inset:0;margin:0 0 0 auto;width:min(100vw,520px);max-width:100vw;height:100dvh;max-height:100dvh;background:var(--bg)}#filter-form{height:100%;display:flex;flex-direction:column}.filter-header{background:#fff;display:flex;align-items:center;justify-content:space-between;padding:16px;min-height:64px}.filter-header h2{font-size:18px}.filter-header button{min-width:44px;min-height:40px;color:var(--muted)}.filter-body{padding:20px 16px;overflow:auto;flex:1;display:flex;flex-direction:column;gap:24px}.filter-body h3{font-size:18px;line-height:26px;margin-bottom:12px}.filter-actions{display:flex;gap:12px;padding:16px 16px max(16px,env(safe-area-inset-bottom));background:#fff}.filter-actions button:first-child{flex:0 0 30%}.filter-actions button:last-child{flex:1}.photo-dialog{position:fixed;inset:0;margin:0;width:100vw;max-width:100vw;height:100dvh;max-height:100dvh;background:#172027;color:#fff;overflow:auto}.photo-actions{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;position:sticky;top:0;background:#172027;z-index:1}.photo-actions button,.photo-actions a{background:#ffffff20;color:#fff;font-size:14px;padding:8px 16px;border-radius:8px;min-height:44px}.photo-dialog>img{display:block;width:100%;height:auto;min-height:80px;object-fit:contain}.photo-dialog>p{padding:16px;font-size:13px;line-height:22px}.share-dialog{width:min(92vw,430px);border-radius:16px;padding:24px}.share-dialog h2{font-size:20px;margin-bottom:12px}.share-dialog p{font-size:14px;line-height:24px;margin-bottom:16px}.share-dialog input{font-size:16px;width:100%;padding:12px;border:1px solid var(--line);border-radius:8px;margin-bottom:12px}.share-dialog .primary{width:100%}.review-link{display:block;margin:4px 0 10px;text-align:center;font-size:11px;color:var(--muted)}@media(min-width:700px){#app{padding-top:32px;padding-bottom:110px}.cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.channels{max-width:680px}.intro h1{font-size:32px;line-height:44px}.search{max-width:680px}.detail{max-width:860px;margin:auto}.photos{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}.detail-cover{max-height:520px}.intro{padding:12px 0}.tools{max-width:680px}}@media(min-width:1050px){.cards{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(prefers-reduced-motion:no-preference){.card:hover{box-shadow:0 5px 16px #202a3210}.primary:active,.chip:active{opacity:.85}}
/* The home carousel fills most of the available mobile viewport. */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
#app.home-page{padding-top:0}
.hero-carousel{position:relative;margin:0 -16px;height:calc(100vh - 168px);height:calc(100svh - 168px - env(safe-area-inset-top) - env(safe-area-inset-bottom));min-height:450px;isolation:isolate;background:#e5e3de;overflow:hidden}
.hero-track{display:flex;width:100%;height:100%;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;overscroll-behavior-x:contain;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.hero-track::-webkit-scrollbar{display:none}
.hero-slide{position:relative;flex:0 0 100%;width:100%;height:100%;scroll-snap-align:start;scroll-snap-stop:always;overflow:hidden;isolation:isolate;color:var(--ink)}
.hero-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:52% center;z-index:-2}
.hero-slide::after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(180deg,rgba(255,255,255,.9) 0%,rgba(255,255,255,.68) 23%,transparent 45%,transparent 60%,rgba(255,255,255,.94) 89%,#fff 100%)}
.hero-hotel .hero-image{object-position:40% center}
.hero-hotel::after{background:linear-gradient(180deg,rgba(255,255,255,.94),rgba(255,255,255,.69) 24%,transparent 44%,transparent 61%,rgba(255,255,255,.94) 89%,#fff 100%)}
.hero-copy{position:absolute;top:28px;left:24px;right:24px}
.hero-category{display:flex;align-items:center;gap:8px;font-size:13px;line-height:22px;font-weight:600;letter-spacing:2px;margin-bottom:12px}
.hero-category::before{content:"";width:20px;height:2px;background:var(--red)}
.hero-copy h2{font-size:36px;line-height:1.32;letter-spacing:.3px;font-weight:700}
.hero-description{font-size:12px;line-height:22px;margin-top:12px;color:#43525d}
.hero-footer{position:absolute;left:24px;right:24px;bottom:104px;display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.hero-cta{display:flex;align-items:center;justify-content:space-between;gap:32px;min-height:48px;background:var(--red);color:#fff;padding:12px 18px;font-size:14px;font-weight:500;border-radius:4px}
.hero-cta span{font-size:20px;line-height:20px}
.hero-source{font-size:10px;line-height:18px;color:#485761}
.hero-source-link{text-decoration:underline;text-underline-offset:3px;min-height:24px;display:flex;align-items:center}
.hero-controls{position:absolute;left:24px;right:24px;bottom:45px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.hero-switches{display:flex;gap:18px}
.hero-switches button{min-height:44px;padding:0;display:flex;align-items:center;gap:7px;font-size:12px;color:#697781}
.hero-switches button span{width:12px;height:3px;background:#bdc4c8;transition:width .25s}
.hero-switches button[aria-pressed=true]{color:var(--ink);font-weight:600}
.hero-switches button[aria-pressed=true] span{width:32px;background:var(--red)}
.hero-play{font-size:11px;color:#56656e;min-height:44px;padding:0 2px}
.hero-scroll-hint{position:absolute;bottom:12px;left:24px;right:24px;font-size:10px;color:#697781;display:flex;align-items:center;justify-content:space-between;letter-spacing:1px;pointer-events:none}
@media(max-width:350px){.hero-copy h2{font-size:32px}.hero-copy,.hero-footer,.hero-controls,.hero-scroll-hint{left:20px;right:20px}.hero-description{font-size:11px}}
@media(min-width:700px){#app.home-page{padding-top:24px}.hero-carousel{margin:0;height:clamp(480px,70vh,680px);min-height:480px;border-radius:12px}.hero-copy{top:42px;left:48px;right:48px}.hero-copy h2{font-size:48px}.hero-description{font-size:15px}.hero-image{object-position:50% 65%}.hero-hotel .hero-image{object-position:50% 55%}.hero-slide::after{background:linear-gradient(90deg,rgba(255,255,255,.91),rgba(255,255,255,.58) 35%,transparent 70%),linear-gradient(0deg,#fff,transparent 38%)}.hero-footer,.hero-controls,.hero-scroll-hint{left:48px;right:48px}.hero-footer{bottom:112px}.hero-source{font-size:11px}}
@media(prefers-reduced-motion:reduce){.hero-switches button span{transition:none}}

/* Campaign imagery has its own clear space; preserve its material detail. */
.hero-carousel--campaign .hero-image{object-position:50% 50%}
.hero-carousel--campaign .hero-slide::after{background:linear-gradient(180deg,rgba(255,255,255,.12),transparent 34%,transparent 68%,rgba(255,255,255,.8) 90%,#fff)}
.hero-carousel--campaign .hero-copy{top:26px}
.hero-metric span,.hero-metric strong{display:block}
.hero-metric .metric-intro{font-size:17px;line-height:25px;font-weight:500;letter-spacing:2px}
.hero-metric .metric-subject{font-size:27px;line-height:36px;letter-spacing:1px;font-weight:700;margin-top:2px}
.hero-metric .metric-value{font-family:Arial,"Helvetica Neue",sans-serif;font-size:clamp(68px,23vw,90px);line-height:1.08;font-weight:700;letter-spacing:-4px;color:var(--red);margin-top:2px;white-space:nowrap}
.hero-metric .metric-value span{display:inline;font-size:.63em;vertical-align:10%;margin-left:4px;letter-spacing:0}
.hero-carousel--campaign .hero-description{font-size:12px;margin-top:10px;line-height:22px;color:#3d4d58}
.hero-carousel--campaign .hero-footer{bottom:98px;gap:8px}
@media(max-width:350px){.hero-metric .metric-subject{font-size:25px;line-height:34px}.hero-metric .metric-intro{font-size:16px}.hero-carousel--campaign .hero-description{font-size:11px}}
@media(min-width:700px){.hero-carousel--campaign .hero-copy{top:42px}.hero-carousel--campaign .hero-slide::after{background:linear-gradient(90deg,rgba(255,255,255,.96),rgba(255,255,255,.8) 30%,transparent 72%),linear-gradient(0deg,#fff,transparent 34%)}.hero-carousel--campaign .hero-image{object-position:50% 70%}.hero-metric .metric-intro{font-size:20px;line-height:30px}.hero-metric .metric-subject{font-size:36px;line-height:48px}.hero-metric .metric-value{font-size:112px;line-height:1.08;letter-spacing:-5px}.hero-carousel--campaign .hero-description{font-size:14px;margin-top:14px}.hero-carousel--campaign .hero-footer{bottom:104px}}

.case-no-photo{display:flex;align-items:center;gap:10px;min-height:72px;padding:16px;background:#eef1f2;color:#52616b;font-size:12px}.case-no-photo img{width:20px;height:20px}.photo-source-link{text-decoration:underline;text-underline-offset:2px}

.card-cover{position:relative}.card-cover>img{display:block;width:100%;aspect-ratio:358/188;object-fit:cover;background:#e8ecef}.album-badge{position:absolute;right:10px;bottom:10px;background:#202a32d9;color:#fff;font-size:11px;padding:3px 9px;border-radius:16px}.card-thumbnails{display:flex;gap:5px;padding:8px 8px 0;overflow-x:auto;scrollbar-width:thin;overscroll-behavior-x:contain}.card-thumbnails img{flex:none;width:64px;height:44px;object-fit:cover;border-radius:3px}.detail-gallery{display:flex;width:100%;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:thin;overscroll-behavior-x:contain}.detail-gallery img{display:block;flex:none;width:100%;aspect-ratio:358/226;object-fit:cover;scroll-snap-align:start;cursor:zoom-in}.gallery-caption{display:flex;justify-content:space-between;gap:12px;font-size:12px;color:var(--muted)}.gallery-caption a{color:var(--red)}.photo-navigation{position:sticky;top:68px;z-index:1;display:flex;justify-content:space-between;align-items:center;background:#172027;padding:8px 16px;gap:12px}.photo-navigation button{min-height:44px;color:#fff;padding:4px 12px;background:#ffffff20;border-radius:8px}.photo-navigation button:disabled{opacity:.35;cursor:default}.photo-dialog>img{height:calc(100dvh - 196px);min-height:200px;object-fit:contain}.photo-dialog>p{padding-top:8px}.detail .photos figcaption{line-height:22px}
.card-cover--bathroom>img{object-fit:contain;background:#e8ecef}.detail-gallery img{object-fit:contain;background:#e8ecef}