/* Client-facing editorial collection; no decorative assets or external fonts. */
.cover-format-badge{position:absolute;right:14px;top:14px;z-index:1;background:#fffdf5eF;color:#705163;border:1px solid #ddcfd955;border-radius:20px;padding:6px 10px;font-size:9px;letter-spacing:.07em;box-shadow:0 2px 12px #4324390a}
.collection-projects#collectionProjects{max-height:none}@media(max-width:680px){.collection-projects#collectionProjects{display:flex;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x proximity;padding-bottom:12px}.collection-projects .collection-project{flex:0 0 86%;scroll-snap-align:start}.proposal-header button,.filters button,.material-actions button{min-height:40px}.access-form input,.upload-form input,.upload-form textarea,.project-editor input,.project-editor textarea{font-size:16px}}
.cover-upload{border:1px dashed #d7becd;background:#fcf8fa;border-radius:12px;padding:16px;margin:20px 0}.cover-upload label{margin-top:0}.cover-upload>img{display:block;max-width:100%;width:240px;max-height:150px;object-fit:contain;margin-top:16px;border-radius:8px;background:#eee5e9}.collection-project>img{width:100%;height:130px;object-fit:cover;border-radius:8px;margin-bottom:16px}.card-art>img{width:100%;height:100%;object-fit:cover}.project-editor{max-height:90vh;max-height:90dvh;overflow-y:auto}.viewer-content{min-height:0}#viewer{height:90vh;height:90dvh;max-height:90vh;max-height:90dvh}.viewer-actions{flex-wrap:wrap}#viewer header>div:first-child{min-width:0;flex:1}#viewer footer{flex-wrap:wrap}.proposal-card .card-body{min-width:0}@media(max-width:390px){.proposal-header nav{column-gap:8px;row-gap:10px}.proposal-header .proposal-language-switch{margin-left:0}#viewer .viewer-actions{width:100%;justify-content:flex-end}.collection-project>img{height:140px}}
body:not([data-mode=manage]){background:radial-gradient(ellipse at 90% 10%,#eadfe533,transparent 50%),#fbf9f6}
.proposal-header{padding:22px max(5vw,24px);background:#fffcf9eF;border-bottom-color:#e5dad966}
.proposal-header nav{font-size:12px;gap:22px}
.proposal-header .proposal-language-switch{border:1px solid #e5d8df;border-radius:30px;padding:3px;background:#fff}
.proposal-header .proposal-language-switch button{border-radius:22px}
body:not([data-mode=manage]) main{max-width:1450px;padding-top:50px}
body:not([data-mode=manage]) .library-hero{position:relative;overflow:hidden;background:linear-gradient(125deg,#f3e8e9,#f5f0e8 65%,#ebede5);padding:54px 56px;border:1px solid #e7ded7;border-radius:24px;margin-bottom:46px;gap:40px}
body:not([data-mode=manage]) .library-hero::after{content:"";position:absolute;width:430px;height:430px;border:1px solid #b3978c25;border-radius:50%;right:-240px;top:-90px;pointer-events:none}
body:not([data-mode=manage]) .library-hero h1{font-size:clamp(34px,3.5vw,50px);line-height:1.2;letter-spacing:-.04em;margin:22px 0}
html[lang=zh-CN] body:not([data-mode=manage]) .library-hero h1{line-height:1.45;letter-spacing:.02em}
.library-hero .eyebrow{font-size:10px;letter-spacing:.2em}
.library-hero .hero-side{position:relative;z-index:1;border-left:1px solid #be9d9e55;border-radius:0;background:none;min-width:245px;padding:6px 0 6px 36px}
.library-hero .hero-side>p{color:#856c71;line-height:1.25;margin:24px 0}
.library-hero .hero-side .secondary{background:#ffffffaa;border-color:#dbcbd0;padding:12px 16px;border-radius:30px;font-size:11px}
.collection-heading{display:flex;align-items:baseline;gap:24px;margin-bottom:18px}.collection-heading .eyebrow{margin:0}.collection-heading h2{font-size:19px;font-weight:500;margin:0}
.collection-projects{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;max-height:360px;overflow:auto;margin-bottom:32px;padding:4px}
.collection-project{position:relative;text-align:left;min-width:0;border:1px solid #e8dfe1;border-radius:14px;background:#fffdfb;color:var(--ink);padding:22px 46px 22px 22px;transition:border-color .2s,background .2s,box-shadow .2s}
.collection-project:hover,.collection-project[aria-pressed=true]{background:#f7eff2;border-color:#b88ba3;box-shadow:0 6px 24px #73425508}.collection-number{font:italic 18px Georgia;color:#ae8b9e;display:block;margin-bottom:16px}.collection-project strong{display:block;font-size:16px;line-height:1.5;overflow-wrap:anywhere}.collection-project small{display:block;margin-top:7px}.collection-arrow{position:absolute;right:20px;top:25px;color:#9b6982}
.public-project-filter{background:white;border:1px solid #e7dde1;border-radius:12px;padding:12px 18px;margin-bottom:12px;font-size:12px}.public-project-filter select{border:0;background:#faf7f7;max-width:100%;padding:9px 12px}.selected-project-summary{color:var(--muted);font-size:13px;line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere}.selected-project-summary:empty{display:none}
.library-toolbar{margin-top:24px}.search-box{box-shadow:0 4px 18px #3e223004}.filters{gap:8px;margin-bottom:30px}.filters button{font-size:12px;padding:9px 16px}.filters button[aria-pressed=true]{background:#68495a;border-color:#68495a}
.proposal-grid{gap:24px}.proposal-card{border-color:#e5dce0;border-radius:16px;overflow:hidden;background:#fff;box-shadow:0 8px 28px #3e223005;transition:box-shadow .2s,transform .2s}.proposal-card:hover{box-shadow:0 16px 36px #3e223012;transform:translateY(-3px)}.card-art{position:relative;background:linear-gradient(125deg,#eadfd1,#f4eee4);aspect-ratio:1.65}.card-art strong{font:italic 46px Georgia;color:#8d6c80}.card-art small{font-size:8px;letter-spacing:.17em;opacity:.8}.card-art.type-mp4{background:linear-gradient(130deg,#5e4e5f,#947184)}.card-art.type-mp4 strong,.card-art.type-mp4 small{color:#f9edf2}.card-body{padding:24px}.card-body .card-project{color:#987489;font-size:10px;letter-spacing:.07em;margin:0 0 14px}.card-meta{font-size:10px}.card-body h2{font-size:19px;line-height:1.45;margin:16px 0 10px;overflow-wrap:anywhere}.card-body>p{font-size:12px;line-height:1.8}.card-body button{border-radius:0;padding-top:18px;font-size:12px}.card-tags{font-size:10px;color:#8e7383}
#viewer{border:1px solid #d9cbd3;border-radius:18px;box-shadow:0 30px 100px #24142155}#viewer::backdrop{background:#241b27b8;backdrop-filter:blur(6px)}#viewer header{padding:20px 26px;background:#fffdfa}#viewer h2{font:500 23px/1.3 Georgia,"Songti SC",serif;overflow-wrap:anywhere}.viewer-actions button{border-radius:22px;padding:9px 16px;font-size:12px}#viewer footer{background:#fffdfa}
@media(max-width:900px){body:not([data-mode=manage]) .library-hero{padding:34px;gap:26px}.library-hero .hero-side{min-width:205px;padding-left:26px}.collection-projects{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:680px){.proposal-header{padding:18px 5vw}.proposal-header nav{gap:12px;font-size:11px}.proposal-header .proposal-language-switch{font-size:10px}.proposal-header .proposal-language-switch button{padding:5px 7px;min-height:28px}body:not([data-mode=manage]) main{padding-top:26px}body:not([data-mode=manage]) .library-hero{padding:28px 24px;flex-direction:column;align-items:stretch;gap:18px;margin-bottom:30px;border-radius:18px}body:not([data-mode=manage]) .library-hero h1{font-size:34px}.library-hero .hero-side{min-width:0;width:100%;max-width:none;border-left:0;border-top:1px solid #be9d9e55;padding:18px 0 0;display:flex;align-items:center;justify-content:space-between;gap:12px}.library-hero .hero-side>p{display:none}.library-hero .hero-side>span{font-size:9px}.library-hero .hero-side .secondary{font-size:10px;float:none}.collection-heading{display:block}.collection-heading h2{margin-top:8px;font-size:18px}.collection-projects{grid-template-columns:1fr;max-height:310px;gap:10px}.collection-project{padding:17px 38px 17px 18px}.collection-number{margin-bottom:8px;font-size:14px}.collection-project strong{font-size:15px}.public-project-filter{padding:14px;gap:8px}.public-project-filter select{font-size:12px}.card-body{padding:20px}#viewer header{padding:16px}#viewer h2{font-size:19px}#viewer footer{padding:14px}.viewer-actions button{font-size:11px;padding:8px 12px}.proposal-footer{gap:16px}}
@media(prefers-reduced-motion:reduce){.proposal-card,.collection-project{transition:none}.proposal-card:hover{transform:none}}
/* A collection opens a dedicated topic first; files open on an edge-to-edge stage. */
.topic-card{display:flex;flex-direction:column;text-decoration:none;color:var(--ink)}
.topic-card .card-body{display:flex;flex:1;flex-direction:column;padding:28px}.topic-card .card-body h2{font:500 clamp(23px,2vw,30px)/1.3 Georgia,"Songti SC",serif}.topic-card .card-body>p{margin-bottom:18px;white-space:pre-wrap}.topic-formats{font-size:10px;letter-spacing:.12em;color:#8c7580;margin-top:auto;padding:12px 0 22px}.topic-action{display:flex;justify-content:space-between;border-top:1px solid #e8dfe1;padding-top:20px;font-size:13px;color:#795267}
.topic-art,.topic-hero-art{position:relative;isolation:isolate;overflow:hidden;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at 20% 10%,#fbf7ee,transparent 60%),linear-gradient(130deg,#d6bebf,#efe6d5);aspect-ratio:1.5}
.topic-art::before,.topic-hero-art::before{content:"";position:absolute;width:70%;height:170%;transform:rotate(32deg);border:1px solid #ffffff77;border-radius:50%;pointer-events:none}.topic-monogram{font:italic 120px/1 Georgia,serif;color:#8c677878}.topic-art>small,.topic-hero-art>small{position:absolute;bottom:24px;left:28px;letter-spacing:.2em;font-size:8px;color:#765b68}.topic-art>img,.topic-hero-art>img{position:absolute;inset:0;z-index:1;width:100%;height:100%;object-fit:cover}.topic-art .cover-format-badge{z-index:2}
.topic-back{display:inline-block;color:#866677;text-decoration:none;font-size:12px;margin-bottom:30px;padding:10px 0}.topic-hero{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(30px,5vw,90px);align-items:center;padding:20px 0 60px;border-bottom:1px solid #e0d4d7}.topic-intro{min-width:0}.topic-intro .eyebrow{font-size:10px;letter-spacing:.2em}.topic-brand{font-size:12px;letter-spacing:.08em;color:#896c7e;margin:30px 0 14px;overflow-wrap:anywhere}.topic-intro h1{font:500 clamp(36px,4.5vw,66px)/1.15 Georgia,"Songti SC",serif;letter-spacing:-.025em;margin:0 0 24px;overflow-wrap:anywhere}.topic-description{font-size:15px;line-height:1.9;color:#837681;white-space:pre-wrap;overflow-wrap:anywhere}.topic-stats{display:flex;gap:22px;flex-wrap:wrap;font-size:11px;color:#806477;border-top:1px solid #e6dbe0;padding-top:24px;margin-top:30px}.topic-hero-art{aspect-ratio:1.12;border-radius:3px}.topic-files-heading{display:flex;justify-content:space-between;gap:20px;align-items:baseline;margin-top:48px}.topic-files-heading h2{font:500 28px Georgia,"Songti SC",serif;margin:0}.topic-files-heading p{font-size:12px;color:#867b82}
.topic-materials .card-art{aspect-ratio:1.9}.topic-materials .card-body h2{font-size:18px}.topic-materials .card-body button{min-height:44px}.topic-card:focus-visible{outline:3px solid #99607e;outline-offset:5px}
body.presenting{overflow:hidden}
#viewerTitle:focus{outline:none}
#viewer footer #viewerDescription{flex:1}#viewer footer #openPdf{white-space:nowrap}
#viewer,#viewer:fullscreen{position:fixed;inset:0;margin:0;width:100%;height:100vh;height:100dvh;max-width:none;max-height:none;border:0;border-radius:0;padding:0;background:#161519;color:#faf7fa;box-shadow:none;overflow:hidden}
#viewer[open]{display:flex;flex-direction:column}#viewer::backdrop{background:#161519;backdrop-filter:none}
#viewer header{flex:none;display:flex;align-items:center;gap:20px;padding:12px 24px;background:#201e23;border-bottom:1px solid #ffffff14;min-height:64px}#viewer header .eyebrow{font-size:8px;letter-spacing:.22em;color:#c09aae;margin:0 0 5px}#viewer h2{font:500 16px/1.35 system-ui,sans-serif;color:#faf7fa;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}#viewer .viewer-actions{display:flex;flex-wrap:nowrap;width:auto;gap:8px;flex:none}#viewer .viewer-actions button{min-height:40px;border:1px solid #ffffff26;background:transparent;color:#f2e9ee;border-radius:6px;padding:8px 14px;font-size:11px}#viewer .viewer-actions button:hover{background:#ffffff12}#viewer button:focus:not(:focus-visible){outline:none;box-shadow:none}#viewer button:focus-visible,#viewer a:focus-visible{outline:2px solid #ecc5d9;outline-offset:3px}
#viewer .viewer-content{flex:1;min-height:0;height:auto;padding:0;overflow:auto;background:#161519;display:flex;align-items:center;justify-content:center}#viewer .viewer-content iframe{display:block;width:100%;height:100%;border:0;background:white}#viewer .viewer-content img,#viewer .viewer-content video{display:block;width:100%;height:100%;max-height:100%;object-fit:contain;background:#161519}#viewer .file-fallback{max-width:680px;padding:32px;text-align:center;color:#ded3da;line-height:1.8}#viewer .file-fallback h2{display:block;color:#fff;font-size:26px;margin-bottom:22px}
#viewer footer{flex:none;min-height:42px;display:flex;flex-wrap:nowrap;align-items:center;justify-content:space-between;gap:16px;padding:7px 24px;padding-bottom:max(7px,env(safe-area-inset-bottom));background:#201e23;border-top:1px solid #ffffff14}#viewer footer p{font-size:11px;line-height:1.4;color:#bbaeB8;margin:0;overflow-wrap:anywhere}#viewer footer .secondary{flex:none;color:#e8d2de;background:none;border:0;font-size:11px;padding:6px 0;border-radius:0}
@media(min-width:1000px){#proposalGrid:not(.topic-materials){grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:680px){.topic-card .card-body{padding:24px}.topic-hero{grid-template-columns:1fr;gap:26px;padding-bottom:32px}.topic-intro h1{font-size:38px}.topic-description{font-size:14px}.topic-hero-art{aspect-ratio:1.65}.topic-back{margin-bottom:16px}.topic-files-heading{display:block;margin-top:30px}.topic-files-heading h2{font-size:24px}#viewer header{padding:10px 12px;gap:10px;min-height:60px}#viewer header .eyebrow{font-size:7px;letter-spacing:.12em}#viewer h2{font-size:13px}#viewer .viewer-actions{width:auto}#viewer .viewer-actions button{padding:7px 9px;font-size:10px}#viewer footer{padding:6px 12px;padding-bottom:max(6px,env(safe-area-inset-bottom))}#viewer footer p{font-size:10px;max-height:56px;overflow:auto}#viewer footer .secondary{font-size:10px}}
/* Drag targets include original, presentation copy and both cover selectors. */
.file-drop-zone{border:1px dashed #c4a6b7;border-radius:12px;padding:18px;transition:background .15s,border-color .15s}
.file-drop-zone.is-dragover{background:#f5e7ef;border-color:#824b63;outline:2px solid #c4a6b7;outline-offset:3px}
.file-drop-zone>small{display:block;margin-top:10px;overflow-wrap:anywhere}
.file-drop-zone>small[role=status]:empty{display:none}
html.presenting,body.presenting{overflow:hidden;overscroll-behavior:none}
#viewer,#viewer .viewer-content{overscroll-behavior:none}
#viewer .presentation-exit{position:absolute;inset:0;z-index:5;display:grid;place-items:center;padding:20px;background:#100e13c9}
#viewer .presentation-exit-card{width:min(460px,100%);padding:32px;border:1px solid #ffffff26;border-radius:18px;background:#28232b;box-shadow:0 24px 80px #0006}
#viewer .presentation-exit-card h2{display:block;font-size:23px;margin-bottom:14px;line-height:1.5}
#viewer .presentation-exit-card p{color:#d1c5ce;font-size:14px;line-height:1.8}
#viewer .presentation-exit-card button{display:flex;width:100%;justify-content:center;margin-top:12px;min-height:46px}
#viewer .presentation-exit-card .primary{background:#e8bfd2;color:#2e222b;border-color:#e8bfd2}
#viewer .presentation-exit-card .secondary{background:transparent;color:#d1c5ce;border-color:#ffffff26}