@font-face{font-family:Manrope;src:url('/static/fonts/manrope.c90888612fe7.woff2') format('woff2');font-display:swap;font-weight:200 800}
@font-face{font-family:StudySans;src:url('/static/fonts/study-sans.963ad3d07793.woff2') format('woff2');font-display:swap;font-weight:100 900}
/* Local fallback metrics match the shipped fonts; local faces add no downloads.
   Manrope widths calibrated at 400/700 against Arial; Bebas digits against Arial Narrow.
   CJK glyphs remain one em wide. Metrics use hhea (StudySans) / matching typo (Manrope). */
@font-face{font-family:ManropeFallback;src:local('Arial'),local('ArialMT');font-weight:200 500;size-adjust:98.5432%;ascent-override:108.1759%;descent-override:30.4435%;line-gap-override:0%}
@font-face{font-family:ManropeFallback;src:local('Arial Bold'),local('Arial-BoldMT');font-weight:501 800;size-adjust:100.6976%;ascent-override:105.8616%;descent-override:29.7922%;line-gap-override:0%}
@font-face{font-family:StudyFallback;src:local('PingFangSC-Regular'),local('Microsoft YaHei'),local('NotoSansCJKsc-Regular');font-weight:100 500;size-adjust:100%;ascent-override:116%;descent-override:28.8%;line-gap-override:0%}
@font-face{font-family:StudyFallback;src:local('PingFangSC-Semibold'),local('Microsoft YaHei Bold'),local('NotoSansCJKsc-Bold');font-weight:501 900;size-adjust:100%;ascent-override:116%;descent-override:28.8%;line-gap-override:0%}
@font-face{font-family:BebasFallback;src:local('Arial Narrow'),local('ArialNarrow');font-weight:400;size-adjust:87.7088%;ascent-override:102.6123%;descent-override:34.2041%;line-gap-override:0%}
/* Taste redesign: light research archive, variance 6 / motion 3 / density 4.
   Layers: navigation 10, notification 20, native dialogs in the top layer.
   Radius system: controls 8px; imagery and dialogs 16px; topic chips pill. */
:root{--paper:#f7f9fb;--white:#fff;--ink:#172b46;--muted:#53677d;--accent:#08758d;--accent-soft:#e9f3f5;--line:#dbe4eb;--danger:#a22f3b;--radius:16px;font-family:Manrope,ManropeFallback,StudySans,StudyFallback,'PingFang SC','Microsoft YaHei',sans-serif;font-synthesis:none;font-size:14px;color:var(--ink);color-scheme:light}
*{box-sizing:border-box}body{margin:0;background:var(--paper)}button,input,textarea,select{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}a{color:inherit;text-decoration:none}button:disabled{opacity:.55;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--accent);outline-offset:3px}svg{width:20px;height:20px;fill:currentColor;stroke:none;flex-shrink:0}.icon-defs{position:absolute;width:0;height:0;overflow:hidden}[hidden]{display:none!important}
.workspace{display:flex;min-height:100dvh}.sidebar{width:230px;position:fixed;inset:0 auto 0 0;border-right:1px solid var(--line);background:#f0f4f7;padding:34px 20px 0;display:flex;flex-direction:column;z-index:10}.brand{display:flex;gap:12px;align-items:center;margin:0 8px 48px}.brand>span{font-size:25px;font-weight:750;letter-spacing:2px}.brand small{display:block;margin-top:3px;font-size:12px;font-weight:400;letter-spacing:0;color:var(--muted)}.nav-section{margin-bottom:32px}.nav-caption{display:block;padding:0 12px;margin-bottom:12px;color:var(--muted);font-size:12px}.nav-item{display:flex;gap:10px;align-items:center;width:100%;border:0;background:transparent;padding:12px;border-radius:8px;text-align:left;color:var(--muted);font-size:14px;margin:4px 0}.nav-item.active{background:var(--white);color:var(--accent);font-weight:700}.nav-item:hover{background:#e5edf2}.nav-item>span:last-child{margin-left:auto;font-size:12px}.sidebar-bottom{margin-top:auto}.privacy{display:flex;gap:10px;align-items:center;padding:18px 8px 24px;color:var(--muted);font-size:13px}.privacy small{display:block;font-size:11px;margin-top:5px}.privacy svg{width:18px}.account{margin:0 -20px;padding:20px;display:flex;gap:10px;border-top:1px solid var(--line);align-items:center}.avatar{display:grid;place-items:center;width:36px;height:36px;border-radius:8px;background:var(--accent-soft);color:var(--accent);font-weight:700}.account b{font-size:13px;overflow-wrap:anywhere}.account small{display:block;font-size:11px;color:var(--muted);margin-top:4px}.account .icon-button{margin-left:auto}.main-wrap{margin-left:230px;flex:1;min-width:0}.topbar{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 42px;border-bottom:1px solid var(--line);background:#ffffffb8}.breadcrumb,.topbar-right{display:flex;align-items:center;gap:16px}.breadcrumb{font-size:13px;color:var(--muted)}.breadcrumb b{font-weight:500;color:var(--ink)}.slash{color:#73879b}.private-tag{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted)}.private-tag svg{width:15px;height:15px}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border:0;border-radius:8px;background:transparent}.icon-button:hover{background:var(--accent-soft)}.mobile-menu{display:none}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:11px 18px;border:1px solid var(--line);border-radius:8px;background:var(--white);font-size:13px;font-weight:650;white-space:nowrap}.button:hover{border-color:var(--accent);color:var(--accent)}.button.primary{background:var(--accent);border-color:var(--accent);color:#fff}.button.primary:hover{background:#07667b}.button.small{min-height:38px;padding:9px 14px;font-size:12px}.button svg{width:17px;height:17px}.text-button{background:transparent;border:0;color:var(--accent);font-weight:650;padding:10px 4px;white-space:nowrap}.button:active,.chip:active,.icon-button:active{transform:translateY(1px)}
main{max-width:1400px;margin:0 auto;padding:48px 42px 28px}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:34px}h1,h2,h3,p{margin:0}h1{font-size:38px;line-height:1.3;letter-spacing:-1.5px;font-weight:750}.subtitle{color:var(--muted);line-height:1.8;font-size:15px;margin-top:12px}.quiet{font-size:12px;color:var(--muted)}.library-summary{display:grid;grid-template-columns:auto auto;gap:4px 12px;padding-left:22px;border-left:1px solid var(--line);color:var(--muted);font-size:12px;min-width:135px}.library-summary strong{font-size:22px;line-height:1.2;font-weight:600;color:var(--ink);text-align:right}.library-summary span{align-self:center}.featured{display:grid;grid-template-columns:1fr 1.12fr;gap:38px;align-items:center;background:var(--accent-soft);padding:32px;border-radius:16px;margin-bottom:54px}.feature-label{font-size:12px;color:var(--accent);font-weight:700}.feature-copy h2{font-size:27px;line-height:1.5;margin-top:14px;letter-spacing:-.65px;font-weight:700}.feature-copy>p{color:var(--muted);font-size:14px;line-height:1.9;margin-top:16px;max-width:44ch}.material-meta{display:flex;align-items:center;flex-wrap:wrap;gap:14px;color:var(--muted);font-size:12px;margin-top:18px}.topic-label{font-weight:650;color:var(--accent);font-size:12px}.feature-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:26px}.cover-frame{display:block;aspect-ratio:16/10;border-radius:12px;overflow:hidden;box-shadow:0 12px 28px #23495c18;background:#fff}.cover-frame img,.card-cover img{display:block;width:100%;height:100%;object-fit:contain}.cover-placeholder{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:16px;width:100%;height:100%;padding:26px;background:var(--accent-soft);color:var(--accent)}.cover-placeholder b{font-size:18px;line-height:1.5}.cover-placeholder span{font-size:12px}.collection-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:22px}.collection-heading>div:first-child{display:flex;gap:14px;align-items:baseline}.collection-heading h2{font-size:22px;letter-spacing:-.5px}.result-count{font-size:12px;color:var(--muted)}.collection-tools{display:flex;align-items:center;gap:12px}.search-box{display:flex;gap:8px;align-items:center;background:var(--white);border:1px solid var(--line);border-radius:8px;padding:0 12px;height:42px}.search-box svg{width:17px;color:var(--muted)}.search-box input{width:195px;border:0;padding:10px 0;background:transparent}.search-box kbd{font:12px Manrope;color:var(--muted);padding:1px 6px;border:1px solid var(--line);border-radius:4px}.search-box:focus-within{border-color:var(--accent)}.search-box input:focus-visible{outline:none}input::placeholder,textarea::placeholder{color:#596e81}.collection-tools select{border:0;background:transparent;color:var(--muted);padding:10px 4px}.filter-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}.chip{padding:8px 14px;border-radius:999px;border:1px solid transparent;background:transparent;color:var(--muted);font-size:12px;min-height:34px}.chip.active{border-color:#aacbd4;background:var(--accent-soft);color:var(--accent);font-weight:700}.chip:hover{background:var(--accent-soft)}.material-grid{display:grid;grid-template-columns:1fr;gap:0}.material-card{display:grid;grid-template-columns:210px 1fr;gap:28px;padding:26px 0;border-bottom:1px solid var(--line)}.material-card:first-child{padding-top:0}.card-cover{display:block;aspect-ratio:16/10;background:var(--white);border:1px solid var(--line);border-radius:12px;overflow:hidden;align-self:start}.card-body{min-width:0;display:flex;flex-direction:column}.card-top{display:flex;gap:18px;align-items:center;color:var(--muted);font-size:12px;margin-bottom:10px}.card-body h3{font-size:20px;line-height:1.55;letter-spacing:-.4px}.card-body>p{font-size:13px;color:var(--muted);line-height:1.8;margin-top:8px;max-width:70ch}.card-actions{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;font-size:12px;margin-top:18px;color:var(--accent)}.card-actions a,.card-actions button{display:inline-flex;align-items:center;gap:6px;min-height:30px}.card-actions svg{width:16px;height:16px}.card-actions button{border:0;background:transparent;color:var(--accent);padding:3px 0}.secondary-actions{display:flex;gap:20px}.page-footer{display:flex;justify-content:space-between;gap:25px;margin-top:42px;color:var(--muted);font-size:11px;line-height:1.8}.empty{padding:40px 20px;color:var(--muted);grid-column:1/-1;font-size:16px}.empty p{font-size:13px;line-height:1.8;margin-top:10px}.loading-skeleton{height:250px;background:#e7eef2;border-radius:16px}.loading-skeleton:after{content:'';display:block;height:22px;width:38%;background:#dbe5eb;margin:28px}
.admin-note{display:flex;gap:14px;padding:20px;background:var(--accent-soft);border-radius:8px;margin-bottom:34px;color:var(--muted);font-size:13px;line-height:1.8}.section-title{font-size:18px;margin:32px 0 16px}.management-row{display:flex;gap:20px;align-items:center;justify-content:space-between;padding:22px 0;border-bottom:1px solid var(--line)}.management-row b{display:block;font-size:15px;line-height:1.6}.management-row small{display:block;margin-top:5px;font-size:12px;color:var(--muted)}.row-actions{display:flex;gap:10px;flex-shrink:0}
dialog{width:min(1060px,calc(100% - 48px));max-height:calc(100dvh - 48px);padding:0;border:1px solid var(--line);border-radius:16px;background:var(--white);color:var(--ink);box-shadow:0 24px 80px #182e4530}dialog::backdrop{background:#172b4680;backdrop-filter:blur(3px)}.dialog-heading{display:flex;gap:16px;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:22px 26px}.dialog-heading h2{font-size:22px;margin-top:4px}.editor-body{display:grid;grid-template-columns:1fr 1fr;gap:30px;padding:26px;max-height:calc(100dvh - 240px);overflow:auto}.editor-left{min-width:0}.dropzone{display:flex;flex-direction:column;gap:12px;align-items:center;text-align:center;padding:32px 16px;border:1px dashed #81acb7;border-radius:12px;background:var(--accent-soft);cursor:pointer}.dropzone svg{width:28px;height:28px;color:var(--accent)}.dropzone strong{font-size:15px}.dropzone span,.dropzone small{font-size:12px;color:var(--muted);line-height:1.6}.dropzone.drag{outline:3px solid var(--accent)}progress{width:100%;accent-color:var(--accent);margin-top:15px}.help{font-size:12px;line-height:1.8;color:var(--muted);margin:12px 0}.check-panel{font-size:12px;line-height:1.8;padding:14px 0;color:var(--accent);overflow-wrap:anywhere}.check-panel.error{color:var(--danger)}.check-panel ul{padding-left:20px}.file-list{font-size:11px;max-height:260px;overflow:auto;color:var(--muted);overflow-wrap:anywhere}.file-list>div{padding:7px 0;border-bottom:1px solid var(--line)}.editor-form,.login-form-inner form{display:flex;flex-direction:column;gap:18px}label{display:block;font-size:13px;font-weight:600}label input,label select,label textarea{display:block;width:100%;border:1px solid var(--line);border-radius:8px;background:#fcfdfe;color:var(--ink);padding:12px;margin-top:8px;font-weight:400;min-width:0}textarea{resize:vertical}label small{font-size:11px;font-weight:400;color:var(--muted);display:block;margin-top:6px}.form-row{display:grid;grid-template-columns:1.25fr 1fr;gap:14px}.required{color:var(--accent)}.dialog-actions{display:flex;align-items:center;justify-content:flex-end;gap:10px;padding:18px 26px;border-top:1px solid var(--line)}.dialog-actions>p{margin-right:auto;font-size:12px;color:var(--muted);line-height:1.6}.detail-body{padding:24px 26px}.preview-note{font-size:14px;color:var(--muted);line-height:1.7;margin-bottom:18px}#detail{width:min(720px,calc(100% - 40px))}.attachment-row{display:flex;align-items:center;gap:12px;padding:18px 0;border-bottom:1px solid var(--line)}.attachment-row>div{flex:1;min-width:0}.attachment-row b{display:block;font-size:13px;font-weight:500;overflow-wrap:anywhere}.attachment-row small{display:block;font-size:11px;color:var(--muted);margin-top:5px}.version-row{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 0;border-bottom:1px solid var(--line);font-size:14px}.version-row small{font-size:12px;color:var(--muted);line-height:2}.preview-dialog{width:calc(100% - 32px);height:calc(100dvh - 32px);max-width:1500px}.preview-dialog iframe{width:100%;height:calc(100% - 85px);border:0;background:var(--paper)}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:15px 22px;max-width:calc(100% - 32px);border-radius:8px;font-size:13px;z-index:20;box-shadow:0 8px 26px #23495c30}
.record-tools{display:flex;align-items:flex-end;gap:18px;margin-bottom:22px}.record-tools label{width:220px}.records-scroll{overflow-x:auto}.records-table{border-collapse:collapse;width:100%;font-size:13px;text-align:left}.records-table th{font-size:12px;font-weight:600;color:var(--muted);padding:16px 12px;background:var(--accent-soft)}.records-table td{padding:20px 12px;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.7}.records-table td small{display:block;font-size:11px;color:var(--muted);overflow-wrap:anywhere;max-width:440px}.records-table th:first-child,.records-table td:first-child{padding-left:0}.records-table time{white-space:nowrap}#record-status{font-size:13px;color:var(--muted);margin:20px 0}
.login-page{background:var(--paper)}.login-shell{display:grid;grid-template-columns:1.1fr 1fr;min-height:100dvh}.login-story{background:#edf3f6;padding:42px 6vw;display:flex;flex-direction:column;border-right:1px solid var(--line)}.login-story .brand{margin:0}.login-copy{margin:auto 0;padding:52px 0 36px;max-width:530px}.login-copy h1{font-size:40px;letter-spacing:-1.2px;line-height:1.5;max-width:12ch}.login-copy>p{color:var(--muted);font-size:15px;line-height:1.9;margin:20px 0 30px}.login-cover{display:block;width:100%;aspect-ratio:16/10;object-fit:contain;border-radius:12px;background:var(--white);box-shadow:0 14px 32px #23495c15}.login-caption{color:var(--muted);font-size:12px;line-height:1.6;margin-top:14px}.login-footnote{font-size:12px;color:var(--muted)}.login-form-wrap{display:flex;flex-direction:column;justify-content:center;padding:60px 7vw;position:relative}.login-form-inner{width:100%;max-width:380px;margin:0 auto}.login-welcome{font-size:12px;color:var(--accent);font-weight:650}.login-form-inner h2{font-size:28px;margin-top:14px;line-height:1.5;letter-spacing:-.7px}.login-form-inner .subtitle{font-size:14px;margin-bottom:32px}.password-wrap{position:relative}.password-wrap input{padding-right:60px}.password-wrap button{position:absolute;right:6px;top:6px;height:35px;border:0;background:transparent;font-size:12px;color:var(--muted)}.form-error{color:var(--danger);font-size:13px;line-height:1.7;min-height:12px}.login-submit{width:100%;height:48px}.login-security{font-size:12px;color:var(--muted);line-height:1.9;margin-top:22px}.login-switch{margin-top:26px;text-align:center;font-size:13px;color:var(--muted)}.login-switch a{color:var(--accent);font-weight:650;margin-left:8px}.back-home{display:inline-flex;align-items:center;color:var(--muted);font-size:13px;margin:24px 0}.login-copyright{text-align:center;color:var(--muted);font-size:11px;margin-top:50px}
@media(min-width:1600px){main{padding-top:56px}.featured{gap:56px;padding:40px}.feature-copy h2{font-size:30px}.material-card{grid-template-columns:250px 1fr}}
@media(max-width:1279px){.sidebar{width:200px;padding-left:14px;padding-right:14px}.account{margin:0 -14px;padding:18px 14px}.main-wrap{margin-left:200px}main{padding:36px 28px}.topbar{padding:0 28px}.featured{gap:24px;padding:26px;grid-template-columns:1fr 1fr}.feature-copy h2{font-size:23px}.feature-copy>p{font-size:13px}.feature-actions{gap:8px}.feature-actions .button{padding:10px 12px}.material-card{grid-template-columns:180px 1fr;gap:22px}.collection-heading{align-items:flex-start}.collection-heading>div:first-child{flex-direction:column;gap:7px}.search-box input{width:155px}.private-tag{display:none}.privacy{font-size:12px}.privacy small{font-size:10px}.login-story{padding:36px 4vw}.login-form-wrap{padding:48px 5vw}}
@media(max-width:1023px){.sidebar{width:185px}.main-wrap{margin-left:185px}.featured{grid-template-columns:1fr;gap:24px}.cover-frame{max-width:540px}.feature-copy>p{max-width:65ch}.library-summary{display:none}.material-card{grid-template-columns:150px 1fr}.card-body h3{font-size:18px}.card-top{flex-wrap:wrap;gap:10px}.collection-tools{gap:6px}.search-box input{width:140px}.search-box kbd{display:none}.login-copy h1{font-size:32px}}
@media(max-width:767px){.sidebar{width:250px;transform:translateX(-100%);box-shadow:12px 0 40px #172b461f;transition:transform .2s}.sidebar.open{transform:translateX(0)}.main-wrap{margin-left:0}.topbar{height:64px;padding:0 16px}.breadcrumb{gap:8px}.breadcrumb>span:first-of-type,.slash{display:none}.topbar-right{gap:8px}.topbar-right .button.small{padding:9px 11px}.mobile-menu{display:inline-flex}.button{min-height:42px}.page-heading{margin-bottom:26px}.page-heading h1{font-size:31px;letter-spacing:-1px}main{padding:30px 20px 24px}.subtitle{font-size:13px;margin-top:10px}.featured{grid-template-columns:1fr;padding:22px;gap:24px;margin-bottom:36px;border-radius:16px}.feature-copy h2{font-size:23px}.feature-copy>p{margin-top:14px}.feature-actions{margin-top:20px}.feature-actions .text-button{margin-left:auto}.cover-frame{width:100%;max-width:none}.collection-heading{flex-direction:column;gap:18px}.collection-heading>div:first-child{flex-direction:row;align-items:center;gap:12px}.collection-heading h2{font-size:21px}.collection-tools{width:100%;gap:10px}.search-box{flex:1;min-width:0}.search-box input{width:100%;min-width:0}.collection-tools select{max-width:95px;font-size:12px}.filter-chips{margin-bottom:24px}.material-grid{grid-template-columns:1fr}.material-card{grid-template-columns:1fr;gap:20px;padding:26px 0}.card-cover{width:100%;aspect-ratio:16/10}.card-body h3{font-size:20px}.card-body>p{font-size:13px}.card-actions{gap:10px}.page-footer{flex-direction:column;gap:8px;font-size:11px;margin-top:30px}.admin-note{padding:16px}.management-row{flex-direction:column;align-items:flex-start;gap:14px}.row-actions{flex-wrap:wrap}.page-heading>#new-admin{padding:10px 12px}dialog{width:calc(100% - 20px);max-height:calc(100dvh - 20px)}.dialog-heading{padding:16px}.dialog-heading h2{font-size:20px}.editor-body{grid-template-columns:1fr;padding:18px;gap:22px;max-height:calc(100dvh - 240px)}.editor-left,.editor-form{width:100%}.file-list{max-height:140px}.dialog-actions{padding:14px;gap:8px;flex-wrap:wrap}.dialog-actions>p{width:100%;min-height:18px}.dialog-actions .button{padding:9px 10px;font-size:12px;flex:1}.detail-body{padding:18px}.attachment-row{flex-wrap:wrap;gap:9px}.attachment-row>div{flex-basis:calc(100% - 34px)}.attachment-row .text-button{margin-left:28px}.attachment-row .button{margin-left:auto}.record-tools{flex-wrap:wrap;gap:12px}.record-tools label{flex:1;min-width:130px}.records-table{min-width:580px}.login-shell{grid-template-columns:1fr;min-height:100dvh}.login-story{padding:24px 24px 28px;border-right:0;border-bottom:1px solid var(--line)}.login-story .brand{margin:0}.login-copy{padding:28px 0 0;margin:0;max-width:none}.login-copy h1{font-size:26px;max-width:none;letter-spacing:-.8px}.login-copy>p{font-size:13px;margin:12px 0 0}.login-cover,.login-caption,.login-footnote{display:none}.login-form-wrap{padding:34px 24px 22px}.login-form-inner h2{font-size:25px}.login-form-inner .subtitle{margin-bottom:24px}.login-copyright{margin-top:28px}.brand>span{font-size:22px}.brand small{font-size:11px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}