:root{color-scheme:dark;--bg:#061329;--line:#adbfda2c;--muted:#aab8ce;--accent:#d9bf85;font-family:"PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:#edf3fa}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.45}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:4px}[hidden]{display:none!important}.topbar{max-width:1320px;margin:auto;padding:25px 40px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);font-size:13px;letter-spacing:1px}.back{color:var(--muted)}.edition{font-size:10px;letter-spacing:2px;color:var(--accent)}.album{max-width:1240px;margin:auto;padding:0 40px}.album-intro{display:flex;justify-content:space-between;align-items:flex-end;padding:64px 0 40px}.eyebrow{font-size:10px;letter-spacing:3px;color:var(--accent);margin:0 0 24px}h1{font-family:"Songti SC","STSong",serif;font-weight:400;font-size:clamp(36px,5.2vw,64px);letter-spacing:3px;line-height:1.2;margin:0}h1 span{display:block;color:var(--accent)}.intro{font-size:14px;color:var(--muted);margin:24px 0 0}.album-number{text-align:right;padding-bottom:5px}.album-number strong{display:block;font-family:Georgia,serif;font-weight:400;font-size:80px;line-height:1;color:var(--accent)}.album-number span{display:block;font-size:12px;letter-spacing:2px;margin-top:12px;color:var(--muted)}.download-panel{display:flex;gap:24px;justify-content:space-between;align-items:center;padding:25px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}h2{font-size:16px;font-weight:500;margin:0}.download-panel p{font-size:12px;color:var(--muted);line-height:1.9;margin:8px 0 0;max-width:680px}.outline-button{display:inline-flex;align-items:center;justify-content:center;gap:30px;white-space:nowrap;border:1px solid #d9bf8570;border-radius:3px;color:var(--accent);background:transparent;padding:14px 20px;font-size:13px;min-height:44px}.outline-button:hover{background:#d9bf8512}.album-toolbar{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:35px 0 20px}.album-toolbar h2{font-size:14px}.album-toolbar h2 span{color:var(--muted);font-size:11px;margin-left:8px}#searchForm{display:flex;border-bottom:1px solid var(--line)}#photoSearch{color:#edf3fa;background:transparent;border:0;min-width:0;width:220px;padding:12px 0;font-size:12px}#searchForm button{background:transparent;color:var(--accent);border:0;padding:12px 0 12px 16px;font-size:12px}.photo-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px 18px}.photo-card{padding:0;background:none;border:0;text-align:left;min-width:0;color:inherit}.photo-card img{display:block;width:100%;aspect-ratio:3/2;object-fit:cover;background:#10233e;border-radius:2px}.photo-card:hover img{filter:brightness(1.1)}.photo-card .caption{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:11px;color:var(--muted);padding-top:10px}.caption span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.caption span:last-child{font-size:10px;color:var(--accent)}.status{color:var(--muted);font-size:14px;text-align:center;line-height:1.8;padding:24px 0}.load-more{display:flex;margin:36px auto}footer{margin-top:48px;padding:25px 0 max(25px,env(safe-area-inset-bottom));border-top:1px solid var(--line);display:flex;justify-content:space-between;color:var(--muted);font-size:10px;letter-spacing:1px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}dialog{border:1px solid var(--line);background:#030b18;color:#edf3fa;width:min(1100px,100%);max-width:100%;max-height:100dvh;padding:0;border-radius:4px}dialog::backdrop{background:#000d}.lightbox-top{height:58px;display:flex;align-items:center;justify-content:space-between;padding:8px 20px;font-size:13px}.lightbox-top button{border:0;background:transparent;color:white;font-size:30px;width:44px;height:44px}.image-stage{position:relative;display:flex;justify-content:center;align-items:center;height:min(67dvh,720px);min-height:200px;background:#000}#largePhoto{max-width:100%;max-height:100%;object-fit:contain}#imageStatus{position:absolute;pointer-events:none;color:var(--accent);font-size:13px;text-shadow:0 1px 4px #000}.photo-arrow{position:absolute;z-index:1;top:calc(50% - 24px);border:1px solid #ffffff40;background:#061329aa;color:white;font-size:30px;width:44px;height:48px;border-radius:4px}.previous{left:10px}.next{right:10px}.lightbox-bottom{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:15px 20px}.lightbox-bottom p{color:var(--muted);font-size:12px;line-height:1.7}.solid-button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:12px 20px;background:var(--accent);color:#142039;border-radius:3px;font-size:13px;white-space:nowrap}.save-tip{color:var(--muted);font-size:11px;line-height:1.7;padding:0 20px 16px;margin:0}.gallery-open{overflow:hidden}@media(max-width:640px){.topbar{padding:19px 20px;font-size:12px}.edition{display:none}.album{padding:0 20px}.album-intro{padding:44px 0 32px}.eyebrow{font-size:8px;letter-spacing:1.4px}.album-number strong{font-size:49px}.album-number span{font-size:10px;letter-spacing:0}.intro{font-size:12px}.download-panel{align-items:flex-start;gap:16px;flex-direction:column}.download-panel h2{font-size:15px}.download-panel p{font-size:11px}.download-panel .outline-button{width:100%;justify-content:space-between}.album-toolbar{align-items:flex-start;flex-direction:column;padding-top:28px;gap:13px}#searchForm{width:100%}#photoSearch{width:100%}.photo-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 10px}.photo-card .caption{font-size:10px}.caption span:last-child{font-size:9px}h1{font-size:36px;letter-spacing:1px}.lightbox-bottom{padding:12px}.lightbox-top{padding:8px 12px}.save-tip{padding:0 12px 15px}.image-stage{height:60dvh}.photo-arrow{width:40px}.previous{left:3px}.next{right:3px}footer{font-size:9px;letter-spacing:0}}

/* Photo-first navigation: compact context, familiar controls, persistent position. */
.album-intro{padding:36px 0 20px;display:block}.album-intro .eyebrow{font-size:12px;letter-spacing:.5px;color:var(--muted);margin:0 0 14px}.album-intro h1{font-family:"PingFang SC","Microsoft YaHei",sans-serif;font-size:38px;font-weight:650;letter-spacing:-.5px}.album-intro .intro{margin:12px 0 0;font-size:13px}.album-toolbar{padding:12px 0 22px}.browse-hint{font-size:12px;color:var(--muted);margin:0;line-height:1.7}.browse-hint span{color:var(--accent)}.photo-card img{transition:filter .15s ease}.lightbox-top,.lightbox-bottom,.save-tip{transition:opacity .16s ease}.immersive .lightbox-top,.immersive .lightbox-bottom,.immersive .save-tip{opacity:0;pointer-events:none}.immersive .photo-arrow{opacity:0;pointer-events:none}#largePhoto{touch-action:pan-y pinch-zoom}.image-stage{touch-action:pan-y pinch-zoom}.photo-card .caption{padding-top:8px}.photo-arrow{transition:opacity .16s ease}@media(max-width:640px){.album-intro{padding:30px 0 16px}.album-intro h1{font-size:32px}.album-intro .eyebrow{font-size:11px}.album-toolbar{padding:8px 0 20px;gap:12px}.image-stage{height:63dvh}}@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
.photo-card img{height:auto;aspect-ratio:3/2}
#searchForm button{white-space:nowrap;flex-shrink:0;min-width:44px}#photoSearch{flex:1}

.view-switch{display:flex;gap:4px;width:180px;padding:4px;background:#142139;border-radius:12px;margin:8px 0 20px}.view-switch button{flex:1;min-height:38px;border:0;border-radius:9px;background:none;color:var(--muted);font-size:14px}.view-switch button[aria-pressed=true]{background:#34425a;color:#fff;box-shadow:0 1px 4px #0003}.album-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px 22px;padding-top:6px}.album-card{padding:0;min-width:0;background:none;border:0;text-align:left;color:inherit}.album-card img{display:block;width:100%;height:auto;aspect-ratio:1;object-fit:cover;border-radius:12px;background:#142139}.album-card strong{display:block;font-size:16px;font-weight:550;margin:11px 0 5px}.album-card span{color:var(--muted);font-size:12px}.back-albums{border:0;background:none;color:var(--accent);padding:8px 8px 8px 0;font-size:14px;min-height:44px;white-space:nowrap}@media(max-width:640px){.album-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 16px}.album-card strong{font-size:15px}.album-toolbar{gap:8px}.view-switch{margin-top:4px}}