:root{--bg:#f6f8fa;--paper:#fff;--sidebar:#edf1f5;--ink:#283443;--muted:#75818e;--line:#dce2e9;--accent:#3f5e80;--accent-soft:#e0e8f1;--serif:Georgia,'Noto Serif CJK SC','Songti SC',SimSun,serif;--sans:'Noto Sans CJK SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;color-scheme:light;font-family:var(--sans);font-size:14px;color:var(--ink);background:var(--bg)}
*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button,a,input,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button:disabled{opacity:.38;cursor:not-allowed}button{border:0;background:none}a{color:inherit;text-decoration:none}button,a,input,textarea{outline-offset:5px}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--accent)}button,a{touch-action:manipulation}h1,h2,h3,p{margin:0}svg{fill:none;stroke:currentColor;stroke-width:1.6}img{display:block;max-width:100%}[hidden]{display:none!important}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.skip-link{position:fixed;top:-60px;left:15px;background:var(--ink);color:white;padding:12px;z-index:100}.skip-link:focus{top:10px}.utility,.eyebrow{font-size:10px;letter-spacing:1.8px;color:var(--muted);font-weight:500}.eyebrow{font-size:11px}.app-shell{display:grid;grid-template-columns:232px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;background:var(--sidebar);border-right:1px solid var(--line);padding:43px 25px 28px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:15px;font-family:var(--serif);font-size:27px;letter-spacing:3px;font-weight:600}.brand small{display:block;font:8px var(--sans);letter-spacing:1.7px;margin-top:6px;white-space:nowrap;color:#65758a}.brand-mark{width:32px;height:38px;position:relative;display:block}.brand-mark i{display:block;position:absolute;width:21px;height:28px;background:var(--sidebar);border:1.5px solid #3f5e80;border-radius:1px;left:0;top:10px;z-index:3}.brand-mark i:nth-child(2){left:5px;top:5px;z-index:2}.brand-mark i:nth-child(3){left:10px;top:0;z-index:1}.sidebar-body{margin-top:58px;overflow-y:auto}.nav-all{display:flex;align-items:center;justify-content:space-between;padding:13px 14px;width:100%;margin-top:14px;border-radius:5px;font-size:13px}.nav-all>span:first-child{display:flex;align-items:center;gap:11px}.nav-all.active{background:var(--accent-soft);color:#304c6a}.nav-all>span:last-child{font:12px var(--serif)}.small-grid{font-size:21px;line-height:1}.archive-label{display:flex;align-items:center;gap:15px;margin:36px 0 22px}.archive-line{height:1px;flex:1;background:var(--line)}.sidebar-empty{font-size:11px;line-height:1.8;color:var(--muted)}.year-group+.year-group{margin-top:22px}.year-title{font:15px Georgia,serif;color:#526174;margin:0 0 12px 14px}.month-link{display:flex;justify-content:space-between;align-items:center;width:100%;text-align:left;padding:10px 14px;margin:2px 0;border-left:2px solid transparent;font-size:12px}.month-link span:last-child{font:11px Georgia,serif;color:var(--muted)}.month-link.active{border-left-color:var(--accent);background:#e3e9f0;color:var(--accent)}.month-link:hover,.nav-all:hover{background:#e3e9f0}.sidebar-bottom{margin-top:auto;padding-top:38px}.small-rule{display:block;width:21px;height:2px;background:#758aa1;margin-bottom:16px}.sidebar-bottom p{font-size:11px;color:#6e7c8b;margin-bottom:12px}.sidebar-bottom .utility{font-size:7px;letter-spacing:1.1px}.main-shell{min-width:0;display:flex;flex-direction:column}.topbar{height:82px;padding:0 52px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:20px}.topbar-title{font-size:12px;color:#5f6d7e}.topbar-title>span:first-child{margin:0 12px;color:#b4bec9}.topbar-actions{display:flex;align-items:center;gap:24px}.primary-button{background:#293e56;color:#fff;display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:39px;border-radius:4px;padding:10px 17px;font-size:12px;white-space:nowrap;transition:background .15s}.primary-button:hover{background:#3f5e80}.text-button{font-size:12px;color:var(--muted);padding:6px 0;white-space:nowrap}.text-button:hover{color:var(--accent)}main#main{padding:51px 52px 65px;flex:1;width:100%;max-width:1550px;align-self:center}.collection-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:39px;gap:20px}.collection-heading h1{font-family:var(--serif);font-size:37px;line-height:1.3;font-weight:500;letter-spacing:2px;margin:14px 0 12px}.heading-dot{color:#8ca0b9;margin-left:4px}.intro{font-size:12px;color:var(--muted);letter-spacing:.4px}.collection-count{display:flex;flex-direction:column;gap:7px;text-align:right;margin-top:16px}.collection-count strong{font:40px Georgia,serif;color:#465a70;line-height:1}.collection-count>span{font-size:10px;color:var(--muted)}.count-divider{margin:0 8px;color:#a8b1bb}.collection-toolbar{border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:16px}.tabs{display:flex;gap:28px;align-self:stretch}.tab{position:relative;padding:14px 0 18px;font-size:12px;color:var(--muted);white-space:nowrap}.tab.active{color:var(--ink);font-weight:600}.tab.active:after{position:absolute;content:'';bottom:-1px;height:2px;left:0;right:0;background:var(--accent)}.search{display:flex;align-items:center;gap:8px;min-width:180px;padding:8px 11px;border:1px solid var(--line);background:var(--paper);border-radius:4px;margin-bottom:10px;width:240px}.search svg{width:15px;height:15px;flex-shrink:0;color:var(--muted)}.search input{border:0;background:transparent;min-width:0;width:100%;font-size:11px;color:var(--ink);outline-offset:4px}.search input::placeholder{color:#929ba6}.search kbd{font:10px var(--sans);padding:0 4px;border:1px solid #e4e8ed;color:#a1aab5;border-radius:2px}.result-summary{font-size:11px;color:var(--muted);min-height:22px;margin:15px 0 4px}.result-summary:empty{min-height:0;margin:0}.month-section{margin-top:30px}.month-heading{display:flex;align-items:center;gap:15px;margin-bottom:19px}.month-number{font:33px/1 Georgia,serif;letter-spacing:-1px;color:#43566b}.month-caption{display:flex;flex-direction:column;gap:3px}.month-caption h2{font-size:13px;font-weight:500}.month-caption small{font-size:8px;letter-spacing:1.3px;color:var(--muted)}.month-heading .line{height:1px;background:var(--line);flex:1;margin:0 5px}.month-heading .month-count{font-size:10px;color:var(--muted)}.album-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px 24px}.album-card{display:block;width:100%;min-width:0;padding:0;text-align:left}.cover{position:relative;height:auto;aspect-ratio:1.43;background:#e9edf2;border:1px solid #e0e5eb;border-radius:5px;display:flex;align-items:center;justify-content:center;padding:20px 27px;transition:background .18s}.cover:before{content:'';position:absolute;width:calc(100% - 60px);height:calc(100% - 37px);border:1px solid #d1d9e3;background:#f5f7fa;transform:translate(5px,4px);border-radius:2px;opacity:0}.album-card.multiple .cover:before{opacity:1}.cover img{object-fit:contain;position:relative;width:100%;height:100%;filter:drop-shadow(0 2px 4px #28344315);transition:transform .2s}.album-card:hover .cover{background:#e2e8ef}.album-card:hover .cover img{transform:translateY(-3px)}.image-badge{position:absolute;right:10px;bottom:10px;background:#ffffffeb;color:#536277;border:1px solid #dce2e9;border-radius:3px;font-size:9px;padding:4px 7px;display:flex;align-items:center;gap:5px}.image-badge svg{width:11px;height:11px}.card-info{padding:14px 2px 0}.card-info h3{font-size:14px;line-height:1.6;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.card-description{font-size:11px;color:var(--muted);line-height:1.8;margin-top:5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.card-meta{display:flex;align-items:center;gap:9px;margin-top:10px;font-size:10px;color:#84909e}.card-meta .tag{background:#ebeff4;padding:2px 6px;border-radius:2px;font-size:9px}.card-arrow{margin-left:auto;color:#93a1b1}.site-footer{margin:0 52px;padding:21px 0 27px;border-top:1px solid var(--line);display:flex;justify-content:space-between;color:#94a0ae;font-size:9px;letter-spacing:.4px}.footer-slash{margin:0 8px;color:#c2c9d1}.empty-state{padding:45px 24px 32px;text-align:center}.empty-art{height:178px;width:245px;margin:0 auto 21px;position:relative}.empty-sheet{position:absolute;background:#fff;border:1px solid #d6dfe9;box-shadow:0 4px 15px #293e5608;border-radius:3px;width:117px;height:148px;text-align:left;padding:21px 18px;left:64px;top:10px;transform:rotate(-8deg)}.empty-sheet.back{left:105px;top:15px;transform:rotate(9deg);background:#edf2f7}.empty-sheet.front{left:49px;top:23px;transform:rotate(-5deg)}.empty-sheet .sheet-label{font:7px var(--sans);letter-spacing:1px;color:#7f91a6}.empty-sheet strong{display:block;font:22px var(--serif);letter-spacing:3px;margin-top:13px;color:#50677f}.sheet-line{height:3px;background:#e4eaf1;margin-top:9px;width:100%}.sheet-line.short{width:60%}.sheet-square{height:33px;width:33px;border:1px solid #b9c8d8;position:absolute;bottom:25px;left:18px}.sheet-square:after{content:'';display:block;width:22px;height:22px;border:1px solid #99adc3;transform:translate(15px,-9px)}.empty-state h2{font:23px var(--serif);letter-spacing:1px;margin-bottom:12px}.empty-state p{font-size:12px;color:var(--muted);line-height:1.9}.empty-actions{display:flex;justify-content:center;align-items:center;gap:21px;margin-top:23px}.empty-note{display:flex;justify-content:center;gap:22px;margin-top:33px;padding-top:25px;border-top:1px solid var(--line);font-size:10px;color:#8492a2}.empty-note span:before{content:'·';margin-right:8px}.loading-state{padding:100px 20px;text-align:center;color:var(--muted)}.demo-notice{display:flex;align-items:center;justify-content:space-between;background:#e9eef5;border:1px solid #d9e2ed;color:#5f748b;font-size:11px;padding:7px 13px;margin:-20px 0 27px;border-radius:4px;gap:10px}.demo-notice button{font-size:10px;color:var(--accent)}dialog{color:var(--ink);border:1px solid var(--line);padding:0;background:var(--bg)}dialog::backdrop{background:#202f4266;backdrop-filter:blur(3px)}body.modal-open{overflow:hidden}.reader{position:fixed;inset:0;width:100%;max-width:none;height:100dvh;max-height:none;margin:0;border:0;overflow:hidden}.reader[open]{display:grid;grid-template-rows:auto auto minmax(0,1fr) auto}.reader-header{height:80px;background:white;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:25px;padding:0 30px}.back-button{font-size:19px;display:flex;align-items:center;gap:9px;padding:10px 0;color:#64768a;flex-shrink:0}.back-button span{font-size:12px}.reader-heading{padding-left:25px;border-left:1px solid var(--line);min-width:0}.reader-heading h2{font-size:16px;font-weight:500;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.reader-heading p{font-size:10px;color:var(--muted);margin-top:6px}.reader-actions{display:flex;gap:14px;margin-left:auto}.icon-button{font-size:21px;min-width:34px;min-height:34px;display:inline-flex;align-items:center;justify-content:center;border-radius:4px;line-height:1}.icon-button:hover{background:var(--accent-soft)}.reader-toolbar{background:#f6f8fa;display:flex;align-items:center;justify-content:space-between;gap:15px;padding:12px 30px;border-bottom:1px solid var(--line)}.segmented{display:inline-flex;background:#e9eef3;padding:3px;border-radius:5px}.segmented button{font-size:11px;padding:7px 13px;color:var(--muted);border-radius:3px}.segmented button.active{background:white;color:var(--ink);box-shadow:0 1px 3px #23354c12}.zoom-controls{display:flex;gap:10px;align-items:center}.zoom-controls .text-button{font-size:11px;min-width:40px;text-align:center}.control-divider{height:17px;width:1px;background:var(--line);margin:0 5px}.reader-stage{position:relative;overflow:auto;overscroll-behavior:contain;background:#e7ecf2;padding:32px;scrollbar-gutter:stable;touch-action:pan-x pan-y pinch-zoom}.reader-page{width:min(100%,980px);margin:0 auto 26px;min-width:0}.reader-page img{display:block;width:100%;height:auto;background:white;box-shadow:0 3px 18px #23354c15}.reader-page figcaption{color:#7a899a;font-size:10px;text-align:center;margin-top:13px}.reader-page.zoomed{max-width:none;margin-left:0;margin-right:0}.reader-footer{background:white;display:flex;justify-content:center;align-items:center;gap:35px;padding:12px 20px;border-top:1px solid var(--line)}.secondary-button{border:1px solid var(--line);background:white;border-radius:4px;display:inline-flex;gap:12px;align-items:center;justify-content:center;min-height:34px;padding:7px 15px;font-size:11px}.secondary-button:hover:not(:disabled){background:var(--sidebar)}.page-control{display:flex;align-items:center;gap:7px;font-size:11px;color:var(--muted)}.page-control input{width:46px;text-align:center;border:1px solid var(--line);background:#f6f8fa;border-radius:3px;padding:7px 2px;color:var(--ink);appearance:textfield;-moz-appearance:textfield}.page-control input::-webkit-inner-spin-button{appearance:none}.upload-dialog{width:min(590px,calc(100% - 32px));max-height:calc(100dvh - 40px);border-radius:9px;background:white;overflow:auto}.dialog-header{padding:26px 28px 20px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.dialog-header h2{font:25px var(--serif);letter-spacing:1px;margin-top:10px}.dialog-content{padding:21px 28px}.form-hint{font-size:11px;line-height:1.9;color:var(--muted);background:var(--bg);padding:12px 14px;border-radius:4px;margin-bottom:22px}.field-label{display:block;font-size:12px;margin-bottom:9px}.optional{font-size:10px;color:#a1a9b4;margin-left:6px}.form-input{width:100%;border:1px solid #d7dfe8;border-radius:4px;color:var(--ink);padding:10px 11px;font-size:12px;background:white}.form-input::placeholder{color:#a0a9b4}.form-row{display:flex;align-items:center;gap:18px;margin:20px 0}.form-row>div:first-child{flex:1}.date-help{font-size:10px;color:var(--muted);flex:1;line-height:1.7;padding-top:23px}textarea.form-input{resize:vertical;min-height:70px}.drop-zone{display:flex;align-items:center;flex-direction:column;padding:23px 12px;border:1px dashed #bac9d9;background:#f6f8fb;border-radius:5px;margin-top:23px;cursor:pointer;transition:background .15s}.drop-zone:hover,.drop-zone.dragover{background:#eaf0f7}.drop-zone:has(+input:focus-visible){outline:2px solid var(--accent);outline-offset:4px}.drop-zone svg{width:36px;height:36px;color:#7b91a9;margin-bottom:13px}.drop-zone strong{font-size:12px;font-weight:500}.drop-zone span{font-size:10px;color:var(--muted);margin-top:7px}.drop-zone small{font-size:9px;color:#94a1b0;margin-top:12px}.file-list{display:flex;flex-direction:column;gap:8px;margin-top:15px}.file-item{display:flex;align-items:center;gap:10px;padding:8px;border:1px solid var(--line);border-radius:4px}.file-item img{width:38px;height:43px;object-fit:contain;background:var(--sidebar)}.file-item .file-name{flex:1;min-width:0;font-size:11px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.file-name small{display:block;color:var(--muted);font-size:9px;margin-top:5px}.file-item .icon-button{font-size:16px;min-width:28px}.file-item .file-order{font:13px Georgia;color:#8c9caf}.dialog-footer{display:flex;align-items:center;justify-content:space-between;padding:18px 28px;border-top:1px solid var(--line);gap:16px;background:#fff;position:sticky;bottom:0}.dialog-footer>span{font-size:10px;color:var(--muted)}#access-code-field{margin-top:20px}.field-note{font-size:10px;color:var(--muted);margin-top:7px}.upload-status{font-size:12px;line-height:1.8;margin-top:14px;color:#8a493c;overflow-wrap:anywhere}.upload-status:empty{display:none}.upload-status.success{color:#326650}.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background:#293e56;color:white;padding:13px 21px;border-radius:5px;font-size:12px;box-shadow:0 4px 20px #293e5633;z-index:200;max-width:calc(100% - 32px);text-align:center;pointer-events:none}.toast.in-reader{position:fixed}.noscript{position:fixed;inset:30% 15% auto;background:white;padding:40px;z-index:500}.image-error{padding:60px 20px;text-align:center;color:var(--muted);font-size:12px;background:#fff;border:1px solid var(--line)}
@media(min-width:1550px){.album-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:1150px){.app-shell{grid-template-columns:205px minmax(0,1fr)}.sidebar{padding-left:20px;padding-right:20px}.brand{font-size:25px;gap:10px}.brand small{font-size:7px}.topbar{padding:0 32px}main#main{padding:40px 32px 55px}.site-footer{margin:0 32px}.album-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.cover{aspect-ratio:1.5}.search{width:215px}.tabs{gap:21px}}
@media(max-width:760px){.app-shell{display:block}.sidebar{position:relative;height:auto;padding:22px 22px 0;border-right:0;border-bottom:1px solid var(--line)}.brand{font-size:25px}.brand small{font-size:7px}.brand-mark{transform:scale(.85)}.sidebar-body{margin-top:21px;overflow:visible;display:flex;align-items:center;gap:10px;padding-bottom:12px;overflow-x:auto}.sidebar-body>.eyebrow,.archive-label,.sidebar-bottom{display:none}.nav-all{width:auto;min-width:87px;margin:0;padding:9px;font-size:11px;gap:10px;white-space:nowrap}.small-grid{display:none}.sidebar-empty{white-space:nowrap;font-size:10px;padding-left:8px}#month-nav{display:flex;gap:12px}.year-group{display:flex;align-items:center;gap:3px}.year-group+.year-group{margin:0}.year-title{font-size:11px;margin:0 6px 0 0}.month-link{width:auto;gap:8px;white-space:nowrap;padding:7px 9px;font-size:11px;border-left:0;border-bottom:2px solid transparent}.month-link.active{border-bottom-color:var(--accent)}.topbar{height:61px;padding:0 23px}.topbar-actions{gap:17px}.topbar-title{font-size:10px}.topbar-title>span:first-child{margin:0 7px}.text-button{font-size:11px}.primary-button{font-size:11px;min-height:35px;padding:9px 13px}main#main{padding:32px 23px 40px}.collection-heading{margin-bottom:24px}.collection-heading h1{font-size:31px;margin-top:10px}.intro{font-size:11px}.eyebrow{font-size:9px}.collection-count strong{font-size:33px}.collection-count>span{font-size:9px}.collection-toolbar{align-items:stretch;flex-direction:column;gap:1px;position:relative}.tabs{gap:26px;order:2}.tab{font-size:11px;padding:14px 0}.search{order:1;width:100%;margin:0;padding:10px 12px}.search input{font-size:12px}.search kbd{display:none}.album-grid{gap:24px 15px}.cover{padding:13px 17px;aspect-ratio:1.23}.cover:before{width:calc(100% - 40px);height:calc(100% - 25px)}.card-info h3{font-size:12px}.card-description{font-size:10px}.card-meta{font-size:9px;gap:5px}.card-meta .tag{font-size:8px;padding:2px 4px}.image-badge{right:6px;bottom:6px;font-size:8px;padding:3px 5px}.month-section{margin-top:27px}.month-number{font-size:30px}.month-caption h2{font-size:12px}.month-caption small{font-size:7px}.site-footer{margin:0 23px;font-size:8px;gap:12px}.empty-state{padding:33px 0 20px}.empty-art{transform:scale(.9);margin-bottom:5px}.empty-state h2{font-size:22px}.empty-state p{font-size:11px}.empty-note{gap:13px;font-size:9px}.demo-notice{margin:0 0 24px;font-size:10px;align-items:flex-start}.demo-notice span{line-height:1.8}.reader-header{height:73px;padding:0 15px;gap:14px}.back-button span{display:none}.reader-heading{padding-left:14px}.reader-heading h2{font-size:13px}.reader-heading p{font-size:9px}.reader-actions{gap:4px}.reader-toolbar{padding:10px 12px;gap:6px}.segmented button{font-size:10px;padding:7px 9px}.zoom-controls{gap:1px}.zoom-controls .icon-button{min-width:30px}.zoom-controls .text-button{font-size:10px;min-width:30px}.control-divider{display:none}#original-image{margin-left:5px}.reader-stage{padding:16px 10px}.reader-page{margin-bottom:22px}.reader-footer{padding:10px 14px;justify-content:space-between;gap:15px}.secondary-button{font-size:10px;padding:7px 11px;gap:8px}.upload-dialog{width:calc(100% - 20px);max-height:calc(100dvh - 20px)}.dialog-header{padding:23px 20px 18px}.dialog-content{padding:20px}.dialog-footer{padding:16px 20px}.form-row{gap:12px}.date-help{font-size:9px}.drop-zone span{font-size:9px}.file-item{gap:7px}}
@media(max-width:370px){.topbar-title{display:none}.topbar{justify-content:flex-end}.album-grid{grid-template-columns:1fr}.cover{aspect-ratio:1.5}.empty-note{gap:8px;font-size:8px}.zoom-controls #original-image{display:none}.reader-heading{max-width:175px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
/* Keep the compact archive totals together on narrow screens. */
.collection-count{flex-shrink:0}.collection-count>span{white-space:nowrap}