/* Nature Portfolio：作品目录采用地球蓝空间、球形照片与点击大图，首页仍为行星封面。 */
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.np-editorial{position:absolute;top:47%;left:50%;transform:translate(-50%,-50%);text-align:center;pointer-events:none;z-index:65;width:90%;text-shadow:0 1px 12px #000c}.np-editorial p{font:9px/1.5 Arial,sans-serif;letter-spacing:4px;color:#caecff;margin-bottom:18px}.np-editorial h1{font:400 clamp(28px,4.5vw,84px)/1.3 "Songti SC","Noto Serif CJK SC",serif;letter-spacing:2px;white-space:nowrap;color:#f1faff}.np-stage{position:absolute;inset:0;touch-action:none;cursor:grab;outline:none;overflow:hidden}.np-stage:focus-visible{outline:1px solid #c9efff;outline-offset:-5px}.np-stage.np-dragging{cursor:grabbing}.np-piece{position:absolute;background:#14557f;padding:0;border:1px solid #ffffff13;box-shadow:0 5px 25px #06254855;aspect-ratio:1.42;color:white;transform-origin:center;cursor:pointer;will-change:transform,opacity;text-align:left;border-radius:1px;overflow:hidden}.np-piece img{display:block;height:100%;width:100%;object-fit:cover;pointer-events:none;filter:saturate(1.03) brightness(1.08);transition:filter .25s,transform .35s}.np-piece:hover img,.np-piece:focus-visible img{filter:saturate(1.05) brightness(1.12)}.np-piece:hover,.np-piece:focus-visible{border-color:#c9efff;box-shadow:0 0 0 1px #c9efff88,0 12px 45px #0008;opacity:1!important}.np-piece:focus-visible{outline:2px solid #c9efff;outline-offset:5px}.np-piece-caption{position:absolute;inset:auto 0 0;display:block;padding:24px 11px 9px;background:linear-gradient(transparent,#000d);opacity:0;transition:opacity .2s;pointer-events:none}.np-piece:hover .np-piece-caption,.np-piece:focus-visible .np-piece-caption{opacity:1}.np-piece-caption strong{font-size:11px;font-weight:400;display:block;line-height:1.6}.np-piece-caption small{font-size:8px;color:#d2eaff;display:block;margin-top:4px}.np-about{position:absolute;bottom:66px;left:3%;max-width:300px;z-index:300;pointer-events:none;background:radial-gradient(ellipse at left bottom,#0b4c85cf,transparent 78%);padding:16px 35px 10px 0}.np-about .np-author{font-family:"Songti SC",serif;font-size:22px;color:#f1faff;margin-bottom:13px}.np-about>p:last-child{font-size:11px;line-height:1.9;color:#d6edfc}.np-gallery-bottom{position:absolute;left:3%;right:3%;bottom:26px;z-index:300;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:10px;color:#d2eafb}.np-gallery-total{font-size:10px;color:#c2e6ff;min-width:100px}.np-rotate-hint{display:flex;align-items:center;gap:14px;font:8px Arial,sans-serif;letter-spacing:2px}.np-rotate-hint::before{content:"";width:42px;height:1px;background:#aaa}.np-gallery-controls{display:flex;align-items:center;gap:15px}.np-gallery-controls button{background:none;color:#cce5f7;font-size:10px;padding:7px 0}.np-gallery-controls button:hover{color:#fff}.np-gallery-controls button:disabled{color:#84afd0;opacity:1}.np-gallery-controls [data-gallery-page]{width:25px;height:25px;border:1px solid #ffffff27;border-radius:50%;display:grid;place-items:center;padding:0;color:#e3f4ff}.np-page-count{font:9px Arial,sans-serif;color:#c0e3fa;letter-spacing:1px;white-space:nowrap}.np-text-button{background:none;color:#d7f3ff;font-size:12px;margin-top:20px;border-bottom:1px solid #a6d6ef;padding:10px 0}.np-empty{position:absolute;inset:0;display:grid;place-content:center;text-align:center;padding:25px;color:#cce5f7}.np-empty h2{font-size:24px;font-weight:400;margin-bottom:12px}.np-empty p{font-size:12px;line-height:1.8}.np-is-empty .np-editorial{display:none}.np-preview{padding:0;background:#092e51;color:#effaff;border:0;border-radius:0;width:min(1100px,86vw);max-width:none;max-height:88svh;box-shadow:0 0 0 100vmax #000a;overflow-y:auto}.np-preview::backdrop{background:#000b;backdrop-filter:blur(5px)}.np-preview-image{position:relative;background:#0b355b}.np-preview-image>img{display:block;width:100%;max-height:66svh;object-fit:contain}.np-preview-close{position:absolute;right:18px;top:18px;padding:12px 16px;border:1px solid #b8eaff77;border-radius:5px;color:#f1faff;background:#082f52dd;backdrop-filter:blur(8px);font-size:12px}.np-preview-copy{display:grid;grid-template-columns:1fr 1.15fr;gap:40px;padding:24px 0;background:#092e51}.np-preview-copy h2{font:400 26px/1.4 "Songti SC",serif;margin-bottom:8px}.np-preview-topic{font-size:10px;letter-spacing:1px;color:#c0e4f8;margin-bottom:10px}.np-preview-copy span{font-size:11px;color:#b9d9f0}.np-preview-copy>div:last-child>p{font-size:12px;line-height:1.9;color:#d4eafa}.np-enter{display:inline-flex;font-size:12px;color:#e0f4ff;border-bottom:1px solid #afdfff77;padding:9px 0;margin-top:12px}.np-enter:hover{color:#fff;border-color:#f1faff}.np-portfolio :focus-visible{outline:2px solid #c9efff;outline-offset:5px}.np-flat .np-editorial{display:none}.np-flat .np-stage{inset:100px 3% 96px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;align-content:start;overflow-y:auto;cursor:default;padding:10px 0 24px;touch-action:pan-y}.np-flat .np-piece{position:relative!important;width:100%!important;left:auto!important;top:auto!important;transform:none!important;opacity:1!important;z-index:auto!important;min-width:0}.np-flat .np-piece-caption{opacity:1}.np-flat .np-about{display:none}.np-flat .np-rotate-hint{visibility:hidden}
@media(min-width:1600px){.np-header{height:125px}.np-brand{font-size:34px}.np-menu{top:44px}.np-menu>summary{font-size:16px}.np-about{bottom:90px;max-width:365px}.np-about .np-author{font-size:29px}.np-about>p:last-child{font-size:14px}.np-gallery-bottom{bottom:34px}.np-gallery-controls button,.np-gallery-total{font-size:12px}.np-rotate-hint{font-size:10px}.np-gallery-controls{gap:22px}}
@media(max-width:1000px){.np-about{max-width:235px}.np-about>p:last-child{font-size:10px}.np-about .np-author{font-size:20px}.np-rotate-hint{display:none}.np-flat .np-stage{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}}
@media(max-width:760px){.np-header{left:22px;right:22px;height:82px}.np-brand{font-size:23px}.np-brand small{font-size:6px;letter-spacing:2px}.np-menu{top:25px}.np-menu>summary{font-size:11px;min-width:40px}.np-menu>summary span{width:34px;height:11px}.np-menu[open]>summary{top:27px;right:25px}.np-menu-panel{padding:100px 23px 28px}.np-menu-panel h2{font-size:25px}.np-editorial{top:44%;width:94%}.np-editorial h1{font-size:clamp(23px,5.7vw,40px);letter-spacing:1px}.np-editorial p{font-size:7px;letter-spacing:2.4px;margin-bottom:12px}.np-about{left:22px;bottom:92px;max-width:220px;padding-right:25px}.np-about .np-author{font-size:20px;margin-bottom:7px}.np-about>p:last-child{font-size:10px;line-height:1.8}.np-gallery-bottom{left:22px;right:22px;bottom:23px;align-items:end;gap:10px}.np-gallery-controls{gap:10px;flex-wrap:wrap;justify-content:flex-end;max-width:225px}.np-gallery-controls button{font-size:10px;min-height:30px}.np-gallery-total{min-width:60px;font-size:9px}.np-gallery-controls [data-gallery-page]{height:27px;width:27px}.np-stage{padding:0}.np-piece-caption{padding:18px 7px 6px}.np-piece-caption strong{font-size:9px}.np-piece-caption small{font-size:7px}.np-preview{width:calc(100vw - 30px);max-height:88svh}.np-preview-image>img{max-height:55svh}.np-preview-close{right:10px;top:10px;padding:10px;font-size:11px}.np-preview-copy{grid-template-columns:1fr;gap:14px;padding:20px 10px}.np-preview-copy h2{font-size:22px}.np-preview-copy>div:last-child>p{font-size:11px}.np-flat .np-stage{inset:88px 20px 115px;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.np-flat .np-piece-caption strong{font-size:10px}.np-flat .np-piece-caption small{font-size:8px}}
@media(prefers-reduced-motion:reduce){.np-portfolio *{animation:none!important;transition:none!important}}
/* 固定高度视口里用换行布局按图片比例排版，防止网格轨道压缩后相互覆盖。 */
.np-flat .np-stage{display:flex;flex-wrap:wrap;align-items:flex-start;align-content:flex-start}
.np-flat .np-piece{flex:0 0 calc((100% - 60px)/4);height:auto;align-self:flex-start}
.np-flat .np-piece img{position:absolute;inset:0}
@media(max-width:1000px){.np-flat .np-piece{flex-basis:calc((100% - 32px)/3)}}
@media(max-width:760px){.np-flat .np-piece{flex-basis:calc((100% - 13px)/2)}}

/* 生图背景为作品让出中央空间；浅色云层上的控制区补充轻微蓝色衬底。 */
.np-header{text-shadow:0 1px 8px #08395777}.np-gallery-controls{padding:4px 10px;background:#0a42765e;border:1px solid #d5f2ff2b;border-radius:99px;backdrop-filter:blur(8px)}
@media(max-width:760px){.np-portfolio{background-position:64% center}.np-gallery-controls{padding:4px 9px;border-radius:14px}}