/* Three local design studies. Original content and icon paths are retained. */

html[data-design]{--serif:"Source Han Serif SC","SimSun","Noto Serif CJK SC",serif;--sans:"Microsoft YaHei","PingFang SC",sans-serif;scrollbar-color:var(--line) var(--bg)}
html[data-design] body{font-size:15px;line-height:1.9}
html[data-design] main{max-width:1440px}
.preview-return{font:12px/1.5 var(--sans);padding:8px 13px;border:1px solid var(--line);color:var(--muted);white-space:nowrap;border-radius:4px}
.preview-return:hover{color:var(--gold);border-color:var(--gold)}
html[data-design] .header{position:relative;z-index:5}
html[data-design] .home-main{padding-inline:6vw}
html[data-design] .home-welcome{position:relative;isolation:isolate;overflow:hidden}
.home-welcome h1 .world-title,.home-welcome h1 .museum-title{display:block}
.home-welcome .museum-title{font-size:.5em;letter-spacing:.32em;margin:14px 0 0 .15em;color:var(--muted)}
.hero-ornament{position:absolute;pointer-events:none;z-index:-1;display:none}
.hero-ornament svg{width:100%;height:100%;display:block}
html[data-design] .home-welcome .eyebrow{font-size:18px;letter-spacing:.15em}
html[data-design] .home-welcome picture{position:relative;flex:none}
html[data-design] .home-welcome picture img{opacity:1}
html[data-design] .section-heading{position:relative}
html[data-design] .section-heading h2{font-size:24px;font-weight:400;letter-spacing:.06em}
html[data-design] .section-heading .ui-icon{width:20px;height:20px}
html[data-design] .home-dashboard{gap:50px;grid-template-columns:minmax(0,1.22fr) minmax(0,1fr)}
html[data-design] .calendar-section{border-radius:6px}
html[data-design] .updates-section{background:transparent;border:0;box-shadow:none}
html[data-design] .update-item{padding:20px 0}
html[data-design] .update-item:before{display:none}
html[data-design] .update-preview h3{margin:10px 0 7px;font:400 23px/1.65 var(--serif)}
html[data-design] .update-preview p{font:14px/1.95 var(--serif);color:var(--muted)}
html[data-design] .update-kind{border-radius:2px;padding:1px 8px;font-size:11px}
html[data-design] .calendar-day{border-radius:3px;min-height:44px}
html[data-design] .word-statistics{max-width:none;grid-template-columns:minmax(230px,.85fr) minmax(0,1.15fr);gap:42px;padding:12px 10px 0}
html[data-design] .word-chart-wrap{max-width:245px}
html[data-design] .word-total{font-family:var(--serif);font-size:27px}
html[data-design] .word-category{font:19px var(--serif)}
html[data-design] .word-legend-row{padding:14px 0}
html[data-design] .word-legend-row small{font-size:12px}
html[data-design] .word-legend-row .word-percent{font-size:13px}
html[data-design] .recommend-grid{gap:20px;padding-top:26px}
html[data-design] .recommend-book{position:relative;border:1px solid var(--line);border-radius:6px;padding:28px;gap:20px;min-height:250px;background:var(--panel)}
html[data-design] .recommend-info{width:100%}
html[data-design] .recommend-book h3{font-size:26px}
html[data-design] .recommend-book p.story-tag{margin:0 0 12px;font-size:11px;color:var(--cyan)}
html[data-design] .recommend-book .recommend-summary{font-size:13px;line-height:1.9}
html[data-design] .recommend-action{margin-top:9px}
html[data-design] .recommend-book:hover{border-color:var(--gold)}
html[data-design] .archive-entrances{gap:22px}
html[data-design] .archive-entrances>a{border-radius:6px;padding:28px;background:var(--panel)}
html[data-design] .archive-entrances h2{font-size:23px}
html[data-design] .page-head{position:relative;padding-top:55px;padding-bottom:34px}
html[data-design] .page-head h1{font-size:44px;font-weight:400;letter-spacing:.08em}
html[data-design] .content-wrap{margin-inline:6vw}
html[data-design] .library-grid{gap:24px;grid-template-columns:repeat(3,minmax(0,1fr))}
html[data-design] .library-grid .story-card{background:var(--panel);padding:26px;border:1px solid var(--line);border-radius:6px;min-height:305px}
html[data-design] .library-grid .story-card:before{left:0;top:26px;width:2px;height:36px;border-radius:0}
html[data-design] .library-grid .story-card h2{font-size:25px;font-weight:400}
html[data-design] .library-tools{padding-bottom:24px}
html[data-design] .search-box{border-radius:4px;font-size:14px;padding:12px 18px}
html[data-design] .tab-button{border-radius:4px;min-height:40px;padding:7px 13px}
html[data-design] .button,html[data-design] .roll-button{border-radius:4px}
html[data-design] .illustrated-head>img{height:215px;border:1px solid var(--line);border-radius:6px;object-position:50% 45%}
html[data-design] .world-head{text-align:left}
html[data-design] .world-search{max-width:none;margin-top:30px}
html[data-design] .keyword-cloud{gap:0 38px}
html[data-design] .keyword{padding:21px 6px;min-height:90px}
html[data-design] .keyword:before{content:'';width:7px;height:7px;flex:none;border:1px solid var(--gold);transform:rotate(45deg);margin-right:5px}
html[data-design] .keyword span{font-size:24px;font-weight:400}
html[data-design] .keyword small{color:var(--muted)}
html[data-design] .entry-detail{border-top:1px solid var(--line)}
html[data-design] .entry-heading h2{font-size:36px}
html[data-design] .chronicle-card,html[data-design] .chronicle-era-intro,html[data-design] .chronicle-return,html[data-design] .chronicle-milestone .chronicle-card{border:0;border-radius:0;box-shadow:none;background:transparent}
html[data-design] .chronicle-era-heading{letter-spacing:.12em;font-weight:400}
html[data-design] .chronicle-point{border-radius:0;transform:rotate(45deg);width:7px;height:7px;box-shadow:none;border:1px solid var(--gold);background:var(--bg)}
html[data-design] .chronicle-point:before,html[data-design] .chronicle-point:after{transform:rotate(-45deg)}
html[data-design] .chronicle-story-button,html[data-design] .chronicle-note-button{border-radius:3px}
html[data-design] .reader-shell{position:relative;padding-top:40px}
html[data-design] .reader-head{position:relative;padding-bottom:32px;margin:44px 0}
html[data-design] .reader-head h1{font-size:45px;font-weight:400}
html[data-design] .reader-head .eyebrow{letter-spacing:.12em}
html[data-design] .reading-page .prose{font-family:"Source Han Serif SC","SimSun",serif;letter-spacing:.025em}
html[data-design] .reader-toolbar{font-size:13px}
html[data-design] .reader-controls button{border-radius:4px}
html[data-design] .chapter-controls select{border-radius:4px}
html[data-design] footer{padding:30px 6vw;margin-top:20px}
html[data-design] footer .brand{font-size:17px;color:var(--muted)}

/* A · 玄金藏阁: book cloth, ruled paper, brass details, arched illustration. */
:root[data-design="a"]{--bg:#f2ebdd;--panel:#f8f3e8;--surface:#e8dfcc;--line:#cfc0a5;--text:#293b32;--muted:#7c7564;--gold:#8b6531;--cyan:#3d796d;--mainland:#416c82;--meiers:#87708c;--serif:"LXGW WenKai GB Screen","KaiTi",serif;color-scheme:light}
html[data-design="a"] body{background-image:radial-gradient(#99896b0b .7px,transparent .7px);background-size:5px 5px}
html[data-design="a"] .header{margin:16px 26px 0;padding:17px 32px;border:1px solid #ae956c;background:#243e34;color:#f0e6ce;box-shadow:inset 0 0 0 5px #243e34,inset 0 0 0 6px #ae956c55;min-height:86px}
html[data-design="a"] .header .brand{font-size:24px;color:#efe5cf;letter-spacing:.08em}
html[data-design="a"] .header .brand small{color:#c0b492;font-size:11px;letter-spacing:.35em}
html[data-design="a"] .header .brand .ui-icon{color:#c6aa74;width:34px;height:34px;padding:3px}
html[data-design="a"] .header nav a{color:#d1c8b0;font-size:13px}
html[data-design="a"] .header nav a[aria-current],html[data-design="a"] .header nav a:hover{color:#e6c987;border-color:#d9bb7b}
html[data-design="a"] .preview-return{color:#d1c8b0;border-color:#6f786253;border-radius:0}
html[data-design="a"] .home-welcome{min-height:332px;padding:43px 20px 36px;border-bottom:3px double var(--line);margin-bottom:38px}
html[data-design="a"] .home-welcome h1{font-size:clamp(38px,4.1vw,59px);letter-spacing:.12em;color:#243e34}
html[data-design="a"] .home-welcome .museum-title{font-size:29px;letter-spacing:.27em;color:#8b6531}
html[data-design="a"] .home-welcome picture{padding:9px;border:1px solid var(--gold);border-radius:150px 150px 4px 4px;margin-right:24px;box-shadow:0 10px 35px #5c503419}
html[data-design="a"] .home-welcome picture:after{content:'';position:absolute;inset:-8px;border:1px solid #aa864052;border-radius:160px 160px 4px 4px;pointer-events:none}
html[data-design="a"] .home-welcome picture img{width:355px;height:237px;object-fit:cover;border-radius:140px 140px 0 0;object-position:55% 55%}
html[data-design="a"] .home-welcome:before{content:'';position:absolute;width:90px;height:90px;bottom:42px;left:48%;border:1px solid #aa864025;transform:rotate(45deg);z-index:-1}
html[data-design="a"] .section-heading{border-bottom:3px double var(--line)}
html[data-design="a"] .section-heading>div .ui-icon{width:26px;height:26px;padding:3px;border:1px solid #a5845059;background:#e9dfca}
html[data-design="a"] .section-heading h2{font-size:27px}
html[data-design="a"] .calendar-section{border:1px solid #b89d6c;border-radius:4px;box-shadow:inset 0 0 0 5px var(--panel),inset 0 0 0 6px #cab79455;padding:22px 25px 16px}
html[data-design="a"] .calendar-day.is-selected{background:#e7dcc3;border-color:#b19160}
html[data-design="a"] .calendar-controls .icon-button{border-radius:2px;background:transparent;min-width:29px;min-height:29px}
html[data-design="a"] .update-preview h3{font-size:26px}
html[data-design="a"] .recommend-book{background:linear-gradient(90deg,#e6dcc7 0 12px,var(--panel) 12px);padding-left:30px;box-shadow:3px 4px 0 #a6957710;border-radius:3px}
html[data-design="a"] .book-spine{width:2px;border-width:2px}
html[data-design="a"] .recommend-book:after{content:'';position:absolute;right:10px;top:10px;width:14px;height:14px;border-top:1px solid #a5845080;border-right:1px solid #a5845080}
html[data-design="a"] .recommend-book h3{font-size:29px}
html[data-design="a"] .archive-entrances>a{background:#ece4d2;border:1px solid #c3ad84;box-shadow:inset 0 0 0 4px #f2ebdd;border-radius:4px}
html[data-design="a"] .archive-entrances .ui-icon{color:#8b6531}
html[data-design="a"] .page-head h1{font-family:"LXGW WenKai GB Screen","KaiTi",serif;font-size:48px}
html[data-design="a"] .illustrated-head>img{border:5px solid #f8f3e8;outline:1px solid #c3ad84;border-radius:110px 110px 4px 4px}
html[data-design="a"] .library-grid .story-card{background:linear-gradient(90deg,#e8dfcd 0 8px,var(--panel) 8px);border-radius:3px}
html[data-design="a"] .library-grid .story-card h2{font-size:29px}
html[data-design="a"] .world-search{border:1px solid #b89d6c;background:#f8f3e8;box-shadow:3px 3px 0 #baaa8822}
html[data-design="a"] .keyword-cloud{padding:10px 22px 26px;border-inline:1px solid var(--line);background:linear-gradient(90deg,#e7dcc81a,transparent 20%,transparent 80%,#e7dcc81a)}
html[data-design="a"] .keyword{border-bottom-style:dotted}
html[data-design="a"] .chronicle:before{width:1px;background:linear-gradient(var(--line),var(--gold),var(--line))}
html[data-design="a"] .reader-head{border-bottom:3px double var(--line)}

/* B · 星仪秘藏: night ink, silver blue, orbital lines, faceted framing. */
:root[data-design="b"]{--bg:#101723;--panel:#171f2d;--surface:#243247;--line:#354357;--text:#e4e7ef;--muted:#9aa9bd;--gold:#cab895;--cyan:#7ac5ca;--mainland:#9dbfdc;--meiers:#b4a3d0;--serif:"Source Han Serif SC","SimSun",serif;color-scheme:dark}
html[data-design="b"] body{background-image:radial-gradient(ellipse at 75% 0,#27365288 0,transparent 45%)}
html[data-design="b"] .header{border-bottom:1px solid #46536a;background:#0e1521;padding:19px 5vw;min-height:96px}
html[data-design="b"] .header:after{content:'';position:absolute;bottom:-4px;left:50%;width:7px;height:7px;background:var(--gold);transform:rotate(45deg)}
html[data-design="b"] .header .brand{font-size:22px;letter-spacing:.12em}
html[data-design="b"] .header .brand>.ui-icon{padding:6px;border:1px solid #b6a68780;width:42px;height:42px;transform:rotate(45deg)}
html[data-design="b"] .header .brand>.ui-icon path{transform:rotate(-45deg);transform-origin:12px 12px}
html[data-design="b"] .header nav{gap:28px}
html[data-design="b"] .header nav a{font-size:13px}
html[data-design="b"] .home-welcome{min-height:365px;justify-content:center;text-align:center;border:0;padding:54px 225px 55px 0;margin-bottom:36px}
html[data-design="b"] .home-welcome h1{font-size:clamp(38px,4.6vw,66px);letter-spacing:.18em;color:#ebe4d4;text-shadow:0 0 35px #dacaa71b}
html[data-design="b"] .home-welcome .museum-title{font-size:24px;letter-spacing:.46em;color:#adb9ce;margin-top:22px}
html[data-design="b"] .home-welcome .eyebrow{color:#7cb4bc;margin-bottom:20px}
html[data-design="b"] .home-welcome picture{position:absolute;right:48px;top:75px;padding:9px;border:1px solid #cab89578;border-radius:50%;box-shadow:0 0 0 7px #101723,0 0 0 8px #55647d50,0 0 38px #759bac22;transform:rotate(-7deg)}
html[data-design="b"] .home-welcome picture img{width:196px;height:196px;border-radius:50%;object-fit:cover;object-position:64% 50%}
html[data-design="b"] .hero-ornament{display:block;left:26%;top:-120px;width:575px;height:575px;color:#a7bdd337;transform:rotate(13deg)}
html[data-design="b"] .home-welcome:after{content:'';position:absolute;bottom:9px;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,#708099aa,transparent)}
html[data-design="b"] .home-dashboard{gap:46px}
html[data-design="b"] .section-heading{border-bottom-color:#4a586d}
html[data-design="b"] .section-heading h2{font-size:22px;letter-spacing:.12em}
html[data-design="b"] .section-heading:after{content:'';position:absolute;bottom:-3px;left:0;width:5px;height:5px;background:var(--cyan);transform:rotate(45deg)}
html[data-design="b"] .calendar-section{border-radius:0;border-color:#526078;background:linear-gradient(140deg,#202c4080,#171f2d);position:relative;padding:22px 24px 16px}
html[data-design="b"] .calendar-section:before,html[data-design="b"] .calendar-section:after{content:'';position:absolute;pointer-events:none;width:14px;height:14px;border:1px solid #94cbd0;z-index:1}
html[data-design="b"] .calendar-section:before{left:-4px;top:-4px;border-right:0;border-bottom:0}
html[data-design="b"] .calendar-section:after{bottom:-4px;right:-4px;border-left:0;border-top:0}
html[data-design="b"] .calendar-day.is-selected{border-color:var(--cyan);color:var(--cyan);background:#7bc1ce16;border-radius:50%}
html[data-design="b"] .calendar-day.is-today{border-color:#788aaf7a}
html[data-design="b"] .calendar-controls .icon-button{border-radius:0;min-width:28px;min-height:28px;background:transparent}
html[data-design="b"] .word-statistics-section{position:relative;border-bottom-color:#41506a}
html[data-design="b"] .word-chart-wrap:before{content:'';position:absolute;inset:4px;border:1px solid #b8a78355;border-radius:50%;pointer-events:none}
html[data-design="b"] .word-chart-wrap:after{content:'';position:absolute;inset:19px;border:1px dotted #91a8c480;border-radius:50%;pointer-events:none}
html[data-design="b"] .word-sector path{stroke-width:5}
html[data-design="b"] .word-color-0{--sector-color:#b8a88b}
html[data-design="b"] .word-color-1{--sector-color:#78aebc}
html[data-design="b"] .word-color-2{--sector-color:#908bb9}
html[data-design="b"] .recommend-book{border-radius:0;background:linear-gradient(125deg,#25334b66,#151e2c);box-shadow:inset 0 2px 0 #abc0da10;min-height:265px}
html[data-design="b"] .book-spine{border-width:1px;width:2px;border-color:#a2b5d166}
html[data-design="b"] .recommend-book:before{content:'';position:absolute;right:12px;top:12px;width:7px;height:7px;border:1px solid var(--gold);transform:rotate(45deg)}
html[data-design="b"] .recommend-book h3{color:#e5dfd2;font-size:27px}
html[data-design="b"] .archive-entrances>a{border-radius:4px;background:linear-gradient(100deg,#26334b60,#192230);border-color:#3c4f67}
html[data-design="b"] .archive-entrances .ui-icon{padding:9px;box-sizing:content-box;border:1px solid #66819177;border-radius:50%;width:22px;height:22px}
html[data-design="b"] .page-head{padding-top:62px;background:radial-gradient(ellipse at 82% 50%,#4f688b2e,transparent 55%)}
html[data-design="b"] .page-head h1{color:#e8dfcc;letter-spacing:.12em}
html[data-design="b"] .illustrated-head>img{padding:7px;border:1px solid #7b899f;border-radius:0;clip-path:polygon(15px 0,100% 0,100% calc(100% - 15px),calc(100% - 15px) 100%,0 100%,0 15px)}
html[data-design="b"] .library-grid .story-card{border-radius:0;background:linear-gradient(145deg,#25334b77,#161e2b);border-color:#3e506b}
html[data-design="b"] .library-grid .story-card:before{width:1px;background:var(--gold)}
html[data-design="b"] .button{border-color:#5e6e86;border-radius:0}
html[data-design="b"] .search-box,html[data-design="b"] .tab-button{border-radius:0}
html[data-design="b"] .world-search{background:linear-gradient(90deg,#23324a,#162132);border-color:#586b85}
html[data-design="b"] .keyword{padding:22px 14px;border-bottom-color:#3c4b63}
html[data-design="b"] .keyword:hover{background:#24324b55}
html[data-design="b"] .keyword:before{border-color:var(--cyan);box-shadow:0 0 10px #94d5d426}
html[data-design="b"] .chronicle-lanes{color:#cbd7e5;letter-spacing:.12em}
html[data-design="b"] .era-ribbon a{font-family:var(--serif)}
html[data-design="b"] .reader-head h1{color:#e8dfcc;letter-spacing:.13em}
html[data-design="b"] .reader-head{border-bottom-color:#697d94}
html[data-design="b"] .reading-page .prose{color:#d5ddea}

/* C · 琉光界廊: pale jade, translucent galleries, botanical arcs, side navigation. */
:root[data-design="c"]{--bg:#edf3ec;--panel:#f7faf4;--surface:#dfebe1;--line:#c3d5ca;--text:#2d514b;--muted:#6a817a;--gold:#497369;--cyan:#4b8d89;--mainland:#4b7893;--meiers:#887492;--serif:"Source Han Serif SC","SimSun",serif;color-scheme:light}
html[data-design="c"] body{background-image:radial-gradient(ellipse at 94% 2%,#d6ebda 0,transparent 36%),radial-gradient(ellipse at 90% 68%,#e7dcf14d,transparent 35%)}
html[data-design="c"] .header{position:fixed;inset:0 auto 0 0;width:240px;display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;padding:40px 25px;border-right:1px solid #c2d5c6;border-bottom:0;background:#e2ede2f0;gap:0;min-height:100vh}
html[data-design="c"] .header:before{content:'';position:absolute;left:10px;right:10px;top:12px;height:90px;border:1px solid #abc5b780;border-radius:100px 100px 0 0;pointer-events:none}
html[data-design="c"] .header .brand{display:flex;flex-direction:column;gap:14px;font-size:23px;letter-spacing:.04em;text-align:center;padding:0 0 34px}
html[data-design="c"] .header .brand>.ui-icon{width:48px;height:48px;padding:10px;border:1px solid #86b09f;border-radius:50%;background:#f0f7ec}
html[data-design="c"] .header .brand small{font-size:13px;letter-spacing:.28em;margin-top:9px}
html[data-design="c"] .header nav{display:flex;flex-direction:column;align-items:stretch;width:100%;gap:10px;padding:24px 0;border-top:1px solid var(--line);order:0}
html[data-design="c"] .header nav a{padding:13px 10px;font-size:13px;gap:10px;border:1px solid transparent;white-space:normal;line-height:1.65}
html[data-design="c"] .header nav a[aria-current],html[data-design="c"] .header nav a:hover{border-color:#b0c9b9;background:#f1f7ed;border-radius:20px 4px 20px 4px;color:#32645b}
html[data-design="c"] .header nav .ui-icon{width:19px;height:19px}
html[data-design="c"] .preview-return{margin-top:auto;text-align:center;padding:9px 10px;background:#edf4e8;border-radius:4px;border-color:#b6cbbb}
html[data-design="c"] main{margin-left:240px;max-width:calc(100% - 240px)}
html[data-design="c"] .home-main{padding-inline:4.4vw}
html[data-design="c"] footer{margin-left:240px;padding-inline:4.4vw}
html[data-design="c"] .home-welcome{min-height:354px;padding:40px 0 40px;gap:30px;margin-bottom:36px;border-bottom:1px solid #c3d5ca}
html[data-design="c"] .home-welcome h1{font-size:clamp(34px,3.6vw,53px);font-weight:400;letter-spacing:.02em;color:#365d53}
html[data-design="c"] .home-welcome .museum-title{font-size:25px;color:#5f8b75;letter-spacing:.22em;margin-top:19px}
html[data-design="c"] .home-welcome .eyebrow{color:#6f9182}
html[data-design="c"] .home-welcome picture{margin-right:15px;padding:9px;border:1px solid #9db7a1;border-radius:44% 44% 10px 44%;background:#f4f8ec;box-shadow:12px 12px 0 #d1e0d249}
html[data-design="c"] .home-welcome picture:after{content:'';position:absolute;inset:-13px;border:1px solid #b0cabb66;border-radius:46% 46% 14px 46%;pointer-events:none}
html[data-design="c"] .home-welcome picture img{width:296px;height:241px;border-radius:42% 42% 6px 42%;object-fit:cover;object-position:58% 50%}
html[data-design="c"] .home-welcome:before{content:'';position:absolute;width:250px;height:160px;border:1px solid #a3c3ae66;border-radius:100%;transform:rotate(-28deg);right:-100px;top:-75px;z-index:-1}
html[data-design="c"] .home-dashboard{gap:34px;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr)}
html[data-design="c"] .section-heading h2{font-size:24px;letter-spacing:.03em}
html[data-design="c"] .section-heading .ui-icon{color:#5a8e7f}
html[data-design="c"] .section-heading:after{content:'';position:absolute;bottom:-1px;left:0;width:48px;height:2px;background:#7caa8f}
html[data-design="c"] .update-preview h3{font-size:22px}
html[data-design="c"] .calendar-section{border:1px solid #b7cebd;background:linear-gradient(145deg,#fafdf4d9,#eef5ecd9);border-radius:24px 6px 24px 6px;padding:22px 18px 16px;box-shadow:0 10px 30px #405a4610}
html[data-design="c"] .calendar-day.is-selected{border-radius:50%;background:#dbebde;color:#315e4e;border-color:#99bba7}
html[data-design="c"] .calendar-controls .icon-button{min-width:28px;min-height:28px;background:#f4f9ed;border-color:#b5c9b4}
html[data-design="c"] .word-statistics{grid-template-columns:230px minmax(0,1fr);gap:36px}
html[data-design="c"] .word-color-0{--sector-color:#789e87}
html[data-design="c"] .word-color-1{--sector-color:#7aa3a2}
html[data-design="c"] .word-color-2{--sector-color:#ab9fba}
html[data-design="c"] .word-chart-wrap:before{content:'';position:absolute;inset:10px;border:1px solid #a3bbaa;border-radius:50%;pointer-events:none}
html[data-design="c"] .word-category{font-size:18px}
html[data-design="c"] .word-category-total{font-size:14px}
html[data-design="c"] .recommend-grid{gap:20px}
html[data-design="c"] .recommend-book{border:1px solid #c0d1c4;background:linear-gradient(145deg,#fbfff7,#edf5eb);border-radius:24px 5px 24px 5px;padding:25px 24px;min-height:265px;box-shadow:0 5px 20px #33584108}
html[data-design="c"] .recommend-book .book-spine{border:0;width:6px;border-radius:6px;background:linear-gradient(#93b59e,#d9e5d7);align-self:stretch;opacity:.8}
html[data-design="c"] .recommend-book:nth-child(2n) .book-spine{background:linear-gradient(#ad9db7,#e4dcea)}
html[data-design="c"] .recommend-book h3{font-size:24px}
html[data-design="c"] .archive-entrances>a{border-color:#b5cbbc;border-radius:8px 4px 8px 4px;background:#f4f9ef;min-height:95px;padding:22px;gap:15px}
html[data-design="c"] .archive-entrances .ui-icon{width:27px;color:#5a8e7f}
html[data-design="c"] .archive-entrances h2{font-size:21px}
html[data-design="c"] .page-head{padding-inline:4.4vw;padding-top:55px}
html[data-design="c"] .page-head h1{font-size:41px;letter-spacing:.025em;color:#365d53}
html[data-design="c"] .content-wrap{margin-inline:4.4vw}
html[data-design="c"] .illustrated-head>img{border-radius:90px 90px 6px 90px;border:6px solid #f4f8ec;outline:1px solid #b7cebd}
html[data-design="c"] .library-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
html[data-design="c"] .library-grid .story-card{border-radius:24px 5px 24px 5px;border-color:#c0d1c4;background:linear-gradient(130deg,#fcfff8,#f0f6ec)}
html[data-design="c"] .library-grid .story-card:before{left:13px;top:30px;border-radius:3px;background:#8eb29a;width:3px}
html[data-design="c"] .tab-button{border-radius:18px 4px 18px 4px}
html[data-design="c"] .search-box{border-radius:26px 5px 26px 5px;background:#f7fbf1}
html[data-design="c"] .keyword-cloud{gap:14px 22px}
html[data-design="c"] .keyword{background:#f7fbf1;border:1px solid #c3d5ca;border-radius:24px 5px 24px 5px;padding:20px 18px;min-height:100px}
html[data-design="c"] .keyword:before{border-radius:100% 0 100% 0;transform:rotate(-15deg);width:9px;height:12px;border-color:#7caa8f}
html[data-design="c"] .keyword:hover{border-color:#7caa8f}
html[data-design="c"] .keyword span{font-size:22px}
html[data-design="c"] .timeline-shell{margin-inline:4.4vw;grid-template-columns:135px minmax(0,1fr);gap:22px}
html[data-design="c"] .era-directory{border-color:#c3d5ca}
html[data-design="c"] .reader-shell{padding-inline:6vw;max-width:calc(100% - 240px)}
html[data-design="c"] .reader-head h1{color:#365d53;font-size:42px}
html[data-design="c"] .reader-controls button,html[data-design="c"] .button{border-radius:16px 3px 16px 3px}

/* An optional reader toggle keeps each concept's typography and layout. */
html[data-design="a"][data-theme="dark"],html[data-design="c"][data-theme="dark"]{--bg:#15251f;--panel:#20322a;--surface:#2e4339;--line:#476254;--text:#e0e8dd;--muted:#adbaab;--gold:#c4b18a;--cyan:#9ccac0}
html[data-design="b"][data-theme="beige"]{--bg:#eff1f5;--panel:#f8f9fc;--surface:#dfe6ef;--line:#bcc6d5;--text:#29384b;--muted:#64758b;--gold:#826a45;--cyan:#487d87;color-scheme:light}
html[data-design][data-theme="dark"] .reading-page .reader-head h1{color:var(--text)}
html[data-design][data-theme="dark"] .reading-page .prose{color:var(--text)}
html[data-design="b"][data-theme="beige"] .reading-page .reader-head h1,html[data-design="b"][data-theme="beige"] .reading-page .prose{color:var(--text)}
html[data-design="a"][data-theme="dark"] body,html[data-design="c"][data-theme="dark"] body{background-image:none}
html[data-design="c"][data-theme="dark"] .header{background:#20332a;border-color:var(--line)}
html[data-design="c"][data-theme="dark"] .header .brand>.ui-icon,html[data-design="c"][data-theme="dark"] .preview-return{background:#263d31;border-color:#527761}
html[data-design="c"][data-theme="dark"] .header nav a[aria-current]{background:#2b4235;border-color:#527761;color:#d0e4cf}
html[data-design="c"][data-theme="dark"] .header .brand{color:var(--text)}
html[data-design="c"][data-theme="dark"] .header .brand small{color:var(--muted)}
html[data-design="b"][data-theme="beige"] .header .brand{color:#e4e7ef}
html[data-design="b"][data-theme="beige"] .header .brand small{color:#9aa9bd}
html[data-design="b"][data-theme="beige"] .header nav a,html[data-design="b"][data-theme="beige"] .preview-return{color:#bfcbdc}
html[data-design="b"][data-theme="beige"] .header nav a[aria-current]{color:#cab895}

@media(min-width:1441px){html[data-design="a"] .home-main,html[data-design="b"] .home-main{padding-inline:84px}}
@media(min-width:761px) and (max-width:1180px){
  html[data-design="a"] .header,html[data-design="b"] .header{flex-wrap:wrap;gap:12px}
  html[data-design="a"] .header nav,html[data-design="b"] .header nav{width:100%;order:3;border-top:1px solid #88888830;padding-top:10px;justify-content:center}
  html[data-design="a"] .preview-return,html[data-design="b"] .preview-return{margin-left:auto}
  html[data-design="a"] .home-welcome picture img{width:280px;height:215px}
  html[data-design="b"] .home-welcome{padding-right:180px}
  html[data-design="b"] .home-welcome picture{right:12px}
  html[data-design="b"] .home-welcome picture img{width:155px;height:155px}
  html[data-design="c"] .header{width:205px;padding-inline:19px}
  html[data-design="c"] main,html[data-design="c"] footer{margin-left:205px}
  html[data-design="c"] main,html[data-design="c"] .reader-shell{max-width:calc(100% - 205px)}
  html[data-design="c"] .home-welcome{gap:18px;min-height:315px}
  html[data-design="c"] .home-welcome h1{font-size:36px}
  html[data-design="c"] .home-welcome picture img{width:210px;height:200px}
  html[data-design="c"] .home-dashboard{gap:22px}
  html[data-design="c"] .word-statistics{grid-template-columns:190px minmax(0,1fr);gap:20px}
  html[data-design="c"] .word-legend-row{gap:5px 10px}
  html[data-design="c"] .word-category-total{font-size:12px}
}
@media(max-width:760px){
  html[data-design] .header,html[data-design="c"] .header{position:relative;inset:auto;width:auto;margin:0;min-height:0;padding:18px 6vw 13px;display:flex;flex-direction:row;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;border-right:0;border-bottom:1px solid var(--line);box-shadow:none}
  html[data-design="a"] .header{border-inline:0;border-top:0;border-color:#6e765f}
  html[data-design] .header .brand,html[data-design="c"] .header .brand{flex-direction:row;font-size:20px;text-align:left;padding:0;gap:10px;white-space:nowrap}
  html[data-design] .header .brand small,html[data-design="c"] .header .brand small{font-size:11px;letter-spacing:.2em;margin:0;padding-top:2px}
  html[data-design] .header .brand>.ui-icon,html[data-design="c"] .header .brand>.ui-icon{width:32px;height:32px;padding:4px}
  html[data-design] .header nav,html[data-design="c"] .header nav{display:grid;grid-template-columns:auto minmax(0,1fr);width:100%;gap:5px 18px;order:3;padding:11px 0 0;border-top:1px solid #8f9b8833;align-items:center}
  html[data-design] .header nav a,html[data-design="c"] .header nav a{font-size:12px;min-height:35px;padding:5px 0;gap:7px;border:0;border-radius:0}
  html[data-design="c"] .header nav a[aria-current]{background:transparent}
  html[data-design="c"] .header:before{display:none}
  html[data-design] .preview-return,html[data-design="c"] .preview-return{margin:0 0 0 auto;font-size:11px;padding:5px 8px;flex:none}
  html[data-design] main,html[data-design="c"] main,html[data-design] .reader-shell,html[data-design="c"] .reader-shell{margin-left:auto;margin-right:auto;max-width:100%;width:100%}
  html[data-design] footer,html[data-design="c"] footer{margin-left:0;padding-inline:6vw}
  html[data-design] .home-main,html[data-design="c"] .home-main{padding-inline:6vw}
  html[data-design] .home-welcome,html[data-design="a"] .home-welcome,html[data-design="b"] .home-welcome,html[data-design="c"] .home-welcome{min-height:232px;padding:38px 0 30px;display:flex;justify-content:flex-start;text-align:left;margin-bottom:28px}
  html[data-design] .home-welcome picture{display:none}
  html[data-design] .home-welcome h1,html[data-design="a"] .home-welcome h1,html[data-design="b"] .home-welcome h1,html[data-design="c"] .home-welcome h1{font-size:40px;letter-spacing:.03em}
  html[data-design] .home-welcome .museum-title,html[data-design="a"] .home-welcome .museum-title,html[data-design="b"] .home-welcome .museum-title,html[data-design="c"] .home-welcome .museum-title{font-size:23px;letter-spacing:.22em;margin-top:14px}
  html[data-design="b"] .hero-ornament{width:320px;height:320px;left:25%;top:-24px;color:#a7bdd322}
  html[data-design="a"] .home-welcome:before{left:auto;right:15px;bottom:40px;width:55px;height:55px}
  html[data-design] .home-dashboard,html[data-design="c"] .home-dashboard{grid-template-columns:1fr;gap:28px}
  html[data-design] .section-heading h2,html[data-design="a"] .section-heading h2{font-size:23px}
  html[data-design] .calendar-section{padding:20px 18px 16px}
  html[data-design] .word-statistics-section{margin-top:28px;margin-bottom:28px}
  html[data-design] .word-statistics,html[data-design="c"] .word-statistics{grid-template-columns:1fr;gap:12px;padding:12px 0 0}
  html[data-design] .word-chart-wrap{max-width:240px}
  html[data-design] .word-legend-row{gap:6px 10px}
  html[data-design] .word-category,html[data-design="c"] .word-category{font-size:17px}
  html[data-design] .word-category-total,html[data-design="c"] .word-category-total{font-size:12px}
  html[data-design] .word-percent{min-width:45px;font-size:12px}
  html[data-design] .recommend-grid{grid-template-columns:1fr;gap:16px}
  html[data-design] .recommend-book{min-height:230px;padding:24px}
  html[data-design] .recommend-section{margin-top:32px}
  html[data-design] .archive-entrances{grid-template-columns:1fr;gap:16px}
  html[data-design] .archive-entrances h2{font-size:21px}
  html[data-design] .page-head,html[data-design="c"] .page-head{padding:32px 6vw 26px}
  html[data-design] .page-head h1,html[data-design="a"] .page-head h1,html[data-design="c"] .page-head h1{font-size:32px;letter-spacing:.03em}
  html[data-design] .illustrated-head{grid-template-columns:1fr;gap:22px}
  html[data-design] .illustrated-head>img{height:170px;max-width:100%;width:100%}
  html[data-design] .content-wrap,html[data-design="c"] .content-wrap{margin-inline:6vw}
  html[data-design] .library-tools{flex-direction:column;align-items:stretch;gap:20px}
  html[data-design] .library-tools .search-box{max-width:none}
  html[data-design] .library-grid,html[data-design="c"] .library-grid{grid-template-columns:1fr;gap:18px}
  html[data-design] .library-grid .story-card{min-height:250px}
  html[data-design] .filter-tabs{gap:7px}
  html[data-design] .tab-button{font-size:12px;padding:6px 10px}
  html[data-design] .world-search{margin-top:22px;padding:13px}
  html[data-design] .keyword-cloud{grid-template-columns:1fr;gap:12px}
  html[data-design="a"] .keyword-cloud{padding-inline:16px}
  html[data-design] .keyword span{font-size:22px}
  html[data-design] .timeline-shell,html[data-design="c"] .timeline-shell{display:block;margin-inline:6vw}
  html[data-design] .era-directory{position:static;border-right:0;border-bottom:1px solid var(--line);padding:0 0 14px}
  html[data-design] .era-ribbon{flex-direction:row;flex-wrap:wrap}
  html[data-design] .reader-shell{padding:24px 6vw 50px}
  html[data-design] .reader-head h1,html[data-design="c"] .reader-head h1{font-size:35px}
  html[data-design] .reader-toolbar{flex-direction:row;align-items:center;gap:12px}
  html[data-design] .reader-controls{gap:7px}
  html[data-design] .reader-controls button{font-size:12px;padding:5px 8px}
  html[data-design] .reader-head{margin:35px 0}
  html[data-design] .header .brand{letter-spacing:.02em}
}
@media(max-width:360px){html[data-design] .header .brand{font-size:18px}html[data-design] .header .brand>.ui-icon{width:27px;height:27px}html[data-design] .preview-return{font-size:10px;padding:4px 6px}html[data-design] .home-welcome h1{font-size:35px}}
@media(prefers-reduced-motion:reduce){html[data-design]{scroll-behavior:auto}}

/* Web reference redesign · 2026-10-06. Scoped to the local candidate snapshot. */
html[data-design]{--space:6vw;--paper:var(--panel)}
html[data-design] body{font-size:14px;line-height:1.9}
html[data-design] .header{height:auto;min-height:105px;position:relative;inset:auto;width:auto;margin:0;padding:24px var(--space);gap:30px;background:var(--bg);border:0;border-bottom:1px solid var(--line);box-shadow:none}
html[data-design] .header:before,html[data-design] .header:after{display:none}
html[data-design] .header .brand{font:22px/1.45 var(--serif);letter-spacing:.05em;color:var(--text);flex-direction:row;gap:14px;padding:0;text-align:left}
html[data-design] .header .brand small{font:10px/1.7 var(--sans);letter-spacing:.25em;color:var(--muted);margin-top:5px}
html[data-design] .header .brand>.ui-icon{width:37px;height:37px;padding:0;border:0;border-radius:0;background:none;transform:none;color:var(--gold)}
html[data-design] .header .brand>.ui-icon path{transform:none}
html[data-design] .header nav{counter-reset:nav;gap:25px;order:0;padding:0;border:0}
html[data-design] .header nav a{font:12px/1.8 var(--sans);gap:7px;padding:8px 0;min-height:39px;color:var(--muted);border:0;border-bottom:1px solid transparent;border-radius:0;background:none;position:relative}
html[data-design] .header nav a[aria-current],html[data-design] .header nav a:hover{color:var(--gold);border-color:var(--gold)}
html[data-design] .header nav .ui-icon{width:19px;height:19px}
html[data-design] .preview-return{font:11px/1.8 var(--sans);border:1px solid var(--line);border-radius:0;padding:7px 12px;color:var(--muted);background:none;margin:0}
html[data-design] main{max-width:1440px;margin-inline:auto}
html[data-design] .home-main{padding:0 var(--space) 55px}
html[data-design] .home-welcome{position:relative;isolation:isolate;display:flex;justify-content:space-between;align-items:center;text-align:left;gap:40px;min-height:340px;padding:62px 0 52px;margin-bottom:42px;overflow:visible;border:0;border-bottom:1px solid var(--line)}
html[data-design] .home-welcome:before,html[data-design] .home-welcome:after{display:none}
html[data-design] .home-welcome h1{font:400 clamp(40px,4.1vw,62px)/1.4 var(--serif);letter-spacing:.065em;color:var(--text);text-shadow:none}
html[data-design] .home-welcome .museum-title{font:24px/1.8 var(--serif);letter-spacing:.25em;color:var(--gold);margin:15px 0 0}
html[data-design] .home-welcome .eyebrow{font:13px/1.8 var(--serif);letter-spacing:.2em;color:var(--muted);margin-bottom:22px}
html[data-design] .home-welcome picture{position:relative;inset:auto;width:35%;max-width:400px;flex:none;margin:0;padding:8px;border:1px solid var(--line);border-radius:0;background:var(--panel);box-shadow:none;transform:none}
html[data-design] .home-welcome picture:after{display:none}
html[data-design] .home-welcome picture img{width:100%;height:235px;object-fit:cover;object-position:55% 55%;border-radius:0}
html[data-design] .hero-ornament{display:block;position:absolute;right:31%;left:auto;top:45px;width:235px;height:235px;transform:none;color:var(--gold);opacity:.12;z-index:-1}
html[data-design] .home-dashboard{grid-template-columns:minmax(0,1.35fr) minmax(300px,.8fr);gap:55px;align-items:start}
html[data-design] .updates-section{padding:0;border:0;background:none;box-shadow:none;contain:none}
html[data-design] .section-heading{padding:0 0 15px;border-bottom:1px solid var(--line);gap:18px;align-items:center}
html[data-design] .section-heading h2{font:400 25px/1.5 var(--serif);letter-spacing:.075em}
html[data-design] .section-heading>div .ui-icon{width:20px;height:20px;padding:0;border:0;background:none}
html[data-design] .text-link{font-size:11px;border:0;white-space:nowrap}
html[data-design] .update-item{padding:25px 0 28px}
html[data-design] .update-meta{font-size:10px;color:var(--muted)}
html[data-design] .update-kind{padding:2px 7px;border-radius:0;font-size:10px;background:var(--surface);color:var(--gold)}
html[data-design] .update-preview h3{font:400 25px/1.65 var(--serif);margin:13px 0 9px}
html[data-design] .update-preview h3 span{font-size:14px}
html[data-design] .update-preview p{font:14px/2 var(--serif);color:var(--muted)}
html[data-design] .calendar-section{position:relative;isolation:isolate;padding:26px 25px 20px;border:1px solid var(--line);border-radius:0;box-shadow:none;background:var(--panel);overflow:visible}
html[data-design] .calendar-controls{margin:17px 0 9px;gap:10px}
html[data-design] .calendar-controls h3{font:15px/1.7 var(--serif);color:var(--text)}
html[data-design] .calendar-controls .icon-button{padding:5px;min-width:32px;min-height:32px;background:none;border:0;border-radius:0}
html[data-design] .calendar-weekdays{padding:8px 0;font-size:10px;color:var(--muted)}
html[data-design] .calendar-day{position:relative;min-height:40px;padding:5px 2px;background:none;border-radius:0;font-size:12px;color:var(--text)}
html[data-design] .calendar-day:hover{background:var(--surface)}
html[data-design] .calendar-day.is-selected{background:var(--surface);border-color:var(--gold);color:var(--gold)}
html[data-design] .calendar-summary{font-size:10px;color:var(--muted);margin-top:17px}
html[data-design] .calendar-detail{font-size:11px;border-top:1px solid var(--line);margin-top:14px;padding-top:11px}
html[data-design] .word-statistics-section{margin:42px 0;padding-bottom:32px;border-bottom:1px solid var(--line)}
html[data-design] .word-statistics{grid-template-columns:.8fr 1.2fr;gap:45px;padding:28px 0 0}
html[data-design] .word-chart-wrap{position:relative;width:100%;max-width:250px;margin:auto}
html[data-design] .word-chart-wrap:before,html[data-design] .word-chart-wrap:after{display:none}
html[data-design] .word-chart{position:relative;z-index:1}
html[data-design] .word-total{font:24px var(--serif)}
html[data-design] .word-legend-row{padding:18px 0;gap:7px 20px}
html[data-design] .word-category{font:19px/1.5 var(--serif)}
html[data-design] .word-category-total{font-size:13px;font-variant-numeric:tabular-nums}
html[data-design] .word-percent{font-size:11px;font-variant-numeric:tabular-nums}
html[data-design] .word-legend-row small{font-size:10px}
html[data-design] .recommend-grid{gap:25px;padding-top:28px}
html[data-design] .recommend-book{position:relative;isolation:isolate;background:var(--panel);padding:32px 34px;border:1px solid var(--line);border-radius:0;min-height:265px;gap:0;box-shadow:none;overflow:visible}
html[data-design] .recommend-book .book-spine{display:none}
html[data-design] .recommend-book:before,html[data-design] .recommend-book:after{display:none}
html[data-design] .recommend-info{width:100%;display:flex;flex-direction:column;min-width:0}
html[data-design] .recommend-info>.eyebrow{font-size:10px;letter-spacing:.12em;margin:0 0 8px}
html[data-design] .recommend-book .story-tag{font-size:10px;letter-spacing:.04em;color:var(--muted);margin:0 0 14px}
html[data-design] .recommend-book h3{font:400 27px/1.55 var(--serif);margin:0 0 14px;color:var(--text)}
html[data-design] .recommend-summary{font-size:12px;line-height:1.95;margin:0 0 23px;color:var(--muted)}
html[data-design] .recommend-bottom{display:flex;justify-content:space-between;align-items:end;gap:14px;margin-top:auto;padding-top:15px;border-top:1px solid var(--line)}
html[data-design] .recommend-bottom .story-stats p{font-size:10px;margin:0;color:var(--muted)}
html[data-design] .recommend-action{font-size:11px;white-space:nowrap}
html[data-design] .recommend-book:hover{border-color:var(--gold);box-shadow:0 5px 18px #243e3409}
html[data-design] .archive-entrances{gap:25px;margin-top:35px}
html[data-design] .archive-entrances>a{position:relative;isolation:isolate;background:var(--panel);border:1px solid var(--line);border-radius:0;min-height:105px;padding:25px 32px;gap:22px;box-shadow:none}
html[data-design] .archive-entrances h2{font:22px/1.6 var(--serif)}
html[data-design] .archive-entrances .ui-icon{width:32px;height:32px;padding:0;border:0;border-radius:0;box-sizing:border-box}
html[data-design] .archive-entrances>a:after{content:none;display:none}
html[data-design] .page-head{padding:60px var(--space) 36px}
html[data-design] .page-head h1{font:400 45px/1.5 var(--serif);letter-spacing:.04em;margin:0 0 15px}
html[data-design] .illustrated-head{grid-template-columns:1fr 30%;gap:50px}
html[data-design] .illustrated-head>img{height:190px;border:1px solid var(--line);border-radius:0;padding:7px;background:var(--panel);outline:0}
html[data-design] .content-wrap{margin-inline:var(--space)}
html[data-design] .library-tools{gap:22px;padding-bottom:22px}
html[data-design] .search-box{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:0;padding:13px 18px;box-shadow:none}
html[data-design] .search-box input{font-size:14px}
html[data-design] .search-box input::placeholder{color:var(--muted)}
html[data-design] .tab-button{font-size:12px;border:1px solid var(--line);border-radius:0;padding:9px 16px;min-height:42px;background:none}
html[data-design] .tab-button.active{background:var(--surface);border-color:var(--gold)}
html[data-design] .library-grid{gap:25px;grid-template-columns:repeat(3,minmax(0,1fr))}
html[data-design] .library-grid .story-card{position:relative;isolation:isolate;min-height:295px;padding:28px;background:var(--panel);border:1px solid var(--line);border-radius:0}
html[data-design] .library-grid .story-card:before{display:none}
html[data-design] .library-grid .story-card h2{font:400 26px/1.5 var(--serif);margin:0 0 15px}
html[data-design] .library-grid .story-card .story-tag{font-size:10px;margin:13px 0 12px;color:var(--muted)}
html[data-design] .library-grid .story-card>p:not(.story-tag){font-size:12px;line-height:1.95}
html[data-design] .story-top .eyebrow{font-size:10px}
html[data-design] .button{font-size:12px;background:none;border-radius:0;padding:8px 18px;border-color:var(--line);color:var(--gold)}
html[data-design] .button:hover{background:var(--surface)}
html[data-design] .page-button{border-radius:0}
html[data-design] .world-head{text-align:left;padding-bottom:22px}
html[data-design] .world-search{max-width:none;margin:25px 0 0;padding:15px 20px;background:var(--panel);box-shadow:none}
html[data-design] .world-search input{font-size:16px}
html[data-design] .discovery{max-width:none;margin:0 var(--space);padding:0 0 55px}
html[data-design] .discovery-bar{padding:0 0 18px}
html[data-design] .discovery-bar p{font:22px/1.6 var(--serif)}
html[data-design] .roll-button{font-size:11px;border-radius:0;border-color:var(--line);padding:9px 14px;background:var(--panel)}
html[data-design] .keyword-cloud{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;padding:22px 0 0;background:none;border:0;align-items:stretch}
html[data-design] .keyword{position:relative;isolation:isolate;display:flex;align-items:center;gap:17px;min-height:100px;padding:23px 25px;background:var(--panel);border:1px solid var(--line);border-radius:0}
html[data-design] .keyword span,html[data-design] .keyword:nth-child(n) span{font:24px/1.5 var(--serif);color:var(--text);margin-right:auto}
html[data-design] .keyword small{font:10px/1.8 var(--sans);color:var(--muted)}
html[data-design] .entry-detail{margin-inline:var(--space);padding-inline:0}
html[data-design] .timeline-shell{grid-template-columns:155px minmax(0,1fr);gap:30px;margin-inline:var(--space)}
html[data-design] .era-directory{padding-right:20px}
html[data-design] .era-ribbon a{font-size:12px;padding:8px 0}
html[data-design] select{border-radius:0;font-size:12px;min-height:42px;padding-block:8px}
html[data-design] .chronicle-era-heading{font:400 23px/1.6 var(--serif);margin:22px 0 40px}
html[data-design] .chronicle-era-heading>span{padding:10px 30px;background:var(--bg)}
html[data-design] .chronicle-events{font-size:14px;line-height:2.05}
html[data-design] .chronicle-era-intro,html[data-design] .chronicle-return{font:19px/2 var(--serif)}
html[data-design] .chronicle-story-button,html[data-design] .chronicle-note-button{clip-path:none;border-radius:50%}
html[data-design] .reader-controls button{border-radius:0;font-size:12px}
html[data-design] .reader-head{padding-bottom:35px}
html[data-design] footer{margin:0;padding:30px var(--space)}
html[data-design] footer .brand{font-size:16px}
/* A: editorial bookplates and paper layers. */
html[data-design="a"]{--bg:#f3eee3;--panel:#faf7ee;--surface:#e7e0cf;--line:#d2c5ad;--text:#2d4138;--muted:#807868;--gold:#936c36;--cyan:#477568}
html[data-design="a"] .header{margin:0 26px;padding-inline:calc(var(--space) - 26px);border-bottom:3px double var(--line)}
html[data-design="a"] .header nav a:before{content:none;display:none}
html[data-design="a"] .home-welcome{border-bottom:3px double var(--line)}
html[data-design="a"] .hero-ornament{right:34%;width:160px;height:160px;top:100px}
html[data-design="a"] .home-welcome picture{box-shadow:8px 8px 0 var(--surface)}
html[data-design="a"] .home-welcome picture:after{display:block;content:'馆藏一隅';position:absolute;inset:auto 8px 8px;padding:4px 12px;background:#f8f2e9e6;font:11px/1.8 var(--serif);letter-spacing:.25em;text-align:center;color:#604e30;border:0;border-radius:0}
html[data-design="a"] .section-heading{border-bottom:3px double var(--line)}
html[data-design="a"] .calendar-section{box-shadow:4px 5px 0 #dfd5c157}
html[data-design="a"] .calendar-controls{padding:9px 0;border-block:1px solid var(--line)}
html[data-design="a"] .calendar-day.is-selected{border-radius:50%}
html[data-design="a"] :is(.recommend-book,.library-grid .story-card){background:linear-gradient(90deg,#ebe3d2 0 6px,var(--panel) 6px);box-shadow:3px 4px 0 #e1d7c557}
html[data-design="a"] :is(.recommend-book,.library-grid .story-card):before{display:block;content:'';position:absolute;inset:10px;border:1px solid #d2c5ad7a;pointer-events:none;z-index:-1;width:auto;height:auto}
html[data-design="a"] .recommend-book h3{font-size:29px}
html[data-design="a"] .keyword-cloud{gap:0 30px;border:1px solid var(--line);padding:0 24px;background:var(--panel)}
html[data-design="a"] .keyword{border:0;border-bottom:1px solid var(--line);background:none;padding:25px 10px;min-height:110px}
html[data-design="a"] .keyword:hover{background:#e9dfc33d}
html[data-design="a"] .archive-entrances>a{box-shadow:inset 0 0 0 6px var(--bg),inset 0 0 0 7px var(--line)}
html[data-design="a"] .chronicle-era-heading>span{border-block:3px double var(--line)}
/* B: manuscript atlas and indexed sheets. */
html[data-design="b"]{--bg:#111d2a;--panel:#192838;--surface:#26394b;--line:#3e5367;--text:#e6e9e9;--muted:#a1b1bf;--gold:#c8b493;--cyan:#88b7c4}
html[data-design="b"] .header{display:grid;grid-template-columns:1fr auto;gap:20px;padding-bottom:0;background:#0e1925}
html[data-design="b"] .header nav{grid-column:1/-1;grid-row:2;border-top:1px solid var(--line);gap:0;justify-content:stretch}
html[data-design="b"] .header nav a{flex:1;justify-content:center;padding:14px 24px;border-right:1px solid var(--line);border-bottom:0;min-height:55px}
html[data-design="b"] .header nav a:first-child{border-left:1px solid var(--line)}
html[data-design="b"] .header nav a[aria-current]{background:#223348;color:var(--cyan)}
html[data-design="b"] .home-welcome h1{letter-spacing:.1em;color:#e9e1cf}
html[data-design="b"] .home-welcome .museum-title{font-size:22px;letter-spacing:.34em;color:#b1c3cf}
html[data-design="b"] .hero-ornament{right:28%;top:-8px;width:330px;height:330px}
html[data-design="b"] .home-welcome picture:before{content:'';position:absolute;inset:-6px 20px;border-inline:1px solid #c8b49355}
html[data-design="b"] .home-welcome picture img{height:210px}
html[data-design="b"] .section-heading h2{font-size:23px;letter-spacing:.14em}
html[data-design="b"] .calendar-section{border-top:3px solid var(--cyan);background:linear-gradient(145deg,#223244,#182637)}
html[data-design="b"] .calendar-controls{border-bottom:1px solid var(--line);padding-bottom:13px}
html[data-design="b"] .calendar-weekdays{background:#101d2a55}
html[data-design="b"] .calendar-day{border-bottom-color:#354b5d66}
html[data-design="b"] .calendar-day.is-selected{border-radius:0;background:#91bfc429;border-color:var(--cyan);color:var(--cyan)}
html[data-design="b"] .word-chart-wrap{max-width:270px}
html[data-design="b"] .word-legend-row{padding:19px 20px;background:#18283866;border-inline:1px solid var(--line)}
html[data-design="b"] .word-legend-row:first-child{border-top:1px solid var(--line)}
html[data-design="b"] .word-legend-row:last-child{border-bottom:1px solid var(--line)}
html[data-design="b"] .recommend-grid{gap:1px;padding:1px;border:0;background:var(--line);margin-top:28px}
html[data-design="b"] .recommend-book{border:0;background:#162636;padding:31px 33px;min-height:275px}
html[data-design="b"] .recommend-book:before{display:block;counter-increment:book;content:'0' counter(book);position:absolute;top:24px;right:24px;width:auto;height:auto;transform:none;border:0;background:none;font:11px monospace;letter-spacing:.12em;color:var(--cyan)}
html[data-design="b"] .recommend-book h3{color:#e9dfcd}
html[data-design="b"] .recommend-book:hover{background:#203348}
html[data-design="b"] .keyword-cloud{grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border:0;padding:0;margin-top:22px;background:none}
html[data-design="b"] .keyword{min-height:125px;flex-wrap:wrap;border:1px solid var(--line);background:var(--panel);gap:12px;padding:24px;margin-right:-1px;margin-bottom:-1px}
html[data-design="b"] .keyword small{width:100%;margin-left:37px;letter-spacing:.12em;color:var(--cyan)}
html[data-design="b"] .keyword span,html[data-design="b"] .keyword:nth-child(n) span{font-size:23px}
html[data-design="b"] .keyword:hover{background:#25394b}
html[data-design="b"] .library-grid{gap:0;border-left:1px solid var(--line);border-top:1px solid var(--line)}
html[data-design="b"] .library-grid .story-card{border-left:0;border-top:0;background:linear-gradient(150deg,#203247,#172635)}
html[data-design="b"] .archive-entrances>a{background:none;border-inline:0;padding:27px 16px}
html[data-design="b"] .era-directory{border:1px solid var(--line);padding:22px 15px;align-self:start;background:#162535;position:sticky;top:20px}
html[data-design="b"] .chronicle-era-heading>span{font-size:21px;letter-spacing:.15em;border-block:1px solid var(--line);background:none}
html[data-design="b"] .chronicle:before{mask-image:var(--era-axis-mask);-webkit-mask-image:var(--era-axis-mask)}
html[data-design="b"] .chronicle-story-button,html[data-design="b"] .chronicle-note-button{border-radius:2px}
/* C: long botanical curves and arched gallery cards. */
html[data-design="c"]{--bg:#eef3ec;--panel:#fbfcf5;--surface:#e0ebdf;--line:#bacebb;--text:#355a4f;--muted:#708477;--gold:#638573;--cyan:#548b8d}
html[data-design="c"] body{--space:4.8vw}
html[data-design="c"] .header{position:fixed;inset:0 auto 0 0;width:205px;min-height:100vh;display:flex;flex-direction:column;align-items:stretch;gap:0;padding:38px 22px 25px;border-right:1px solid var(--line);border-bottom:0;background:#e4eddf}
html[data-design="c"] .header .brand{flex-direction:column;text-align:center;font-size:20px;letter-spacing:.025em;padding:18px 0 32px}
html[data-design="c"] .header .brand>.ui-icon{width:40px;height:40px}
html[data-design="c"] .header nav{flex-direction:column;align-items:stretch;gap:8px;padding:26px 0;border-top:1px solid var(--line)}
html[data-design="c"] .header nav a{font-size:11px;white-space:normal;min-height:49px;padding:10px 7px;gap:10px;border:0;border-radius:30px 30px 4px 4px}
html[data-design="c"] .header nav a[aria-current]{background:#f6faef;color:#426d58}
html[data-design="c"] .preview-return{margin-top:auto;text-align:center;border:0;border-top:1px solid var(--line);padding-top:20px}
html[data-design="c"] main{margin-left:205px;max-width:calc(100% - 205px)}
html[data-design="c"] footer{margin-left:205px}
html[data-design="c"] .home-welcome{gap:25px}
html[data-design="c"] .home-welcome h1{font-size:clamp(38px,3.7vw,56px);letter-spacing:.035em}
html[data-design="c"] .home-welcome .museum-title{font-size:23px;letter-spacing:.23em}
html[data-design="c"] .home-welcome picture{width:34%;border-radius:150px 150px 2px 2px}
html[data-design="c"] .home-welcome picture img{height:250px;border-radius:140px 140px 0 0}
html[data-design="c"] .hero-ornament{right:27%;top:45px;width:230px;height:230px;opacity:.3}
html[data-design="c"] .home-dashboard{gap:38px;grid-template-columns:minmax(0,1.15fr) minmax(285px,.9fr)}
html[data-design="c"] .section-heading h2{font-size:24px;letter-spacing:.04em}
html[data-design="c"] .calendar-section{border-radius:95px 95px 3px 3px;padding:65px 22px 20px;background:var(--panel);box-shadow:0 7px 20px #56765309}
html[data-design="c"] .calendar-section .section-heading>div{margin:auto}
html[data-design="c"] .calendar-day.is-selected{border-radius:50%;background:#e4eddc}
html[data-design="c"] .word-statistics{grid-template-columns:.85fr 1.15fr;gap:30px}
html[data-design="c"] .recommend-grid{gap:28px}
html[data-design="c"] .recommend-book{border-radius:85px 85px 3px 3px;padding:67px 30px 27px;background:var(--panel);min-height:300px}
html[data-design="c"] .recommend-info>.eyebrow,html[data-design="c"] .recommend-book .story-tag{text-align:center}
html[data-design="c"] .recommend-book h3{font-size:26px;text-align:center}
html[data-design="c"] .recommend-summary{text-align:center}
html[data-design="c"] .keyword-cloud{gap:22px;padding-top:30px}
html[data-design="c"] .keyword{border-radius:70px 70px 3px 3px;display:grid;grid-template-columns:auto 1fr auto;gap:12px;min-height:116px;padding:44px 23px 23px}
html[data-design="c"] .keyword span,html[data-design="c"] .keyword:nth-child(n) span{font-size:22px}
html[data-design="c"] .keyword small{font-size:9px}
html[data-design="c"] .archive-entrances>a{border-radius:50px 50px 3px 3px;min-height:118px;padding:35px 26px 25px}
html[data-design="c"] .archive-entrances h2{font-size:21px}
html[data-design="c"] .illustrated-head>img{height:195px;border-radius:100px 100px 2px 2px}
html[data-design="c"] .library-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
html[data-design="c"] .library-grid .story-card{border-radius:80px 80px 3px 3px;padding:53px 29px 29px}
html[data-design="c"] :is(.search-box,.tab-button,.button){border-radius:22px 22px 3px 3px}
html[data-design="c"] .timeline-shell{grid-template-columns:130px minmax(0,1fr);gap:25px}
html[data-design="c"] .chronicle-era-heading>span{border-top:1px solid var(--line);border-radius:40px 40px 0 0;padding:18px 32px 10px}
html[data-design="c"] .reader-shell{width:min(850px,calc(100% - 205px));max-width:none;margin-left:calc(205px + (100% - 205px - min(850px,100% - 205px))/2)}
html[data-design][data-theme="dark"] .reading-page .prose,html[data-design][data-theme="dark"] .reading-page .reader-head h1{color:var(--text)}
html[data-design="b"][data-theme="beige"] .reading-page .reader-head h1{color:var(--text)}
html[data-design="b"][data-theme="beige"] .reading-page{background-image:none}
@media(max-width:1180px) and (min-width:761px){
 html[data-design] .header{gap:18px}html[data-design] .header nav{gap:18px}html[data-design] .header nav a{font-size:11px}html[data-design] .header .brand{font-size:20px}
 html[data-design] .home-dashboard{gap:30px;grid-template-columns:1.1fr minmax(280px,.85fr)}
 html[data-design="c"] .home-dashboard{grid-template-columns:1fr}
 html[data-design="c"] .calendar-section{max-width:450px;width:100%;justify-self:center}
 html[data-design] .library-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 html[data-design="b"] .keyword-cloud{grid-template-columns:repeat(2,minmax(0,1fr))}
 html[data-design="c"] .home-welcome h1{font-size:37px}
 html[data-design="c"] .home-welcome picture img{height:205px}
 html[data-design="c"] .word-statistics{grid-template-columns:210px 1fr}
}
@media(max-width:760px){
 html[data-design] body{--space:6vw}
 html[data-design] .header,html[data-design="c"] .header{position:relative;inset:auto;width:auto;min-height:0;display:grid;grid-template-columns:1fr auto;gap:16px;padding:22px 6vw 0;margin:0;border-inline:0;border-bottom:1px solid var(--line);background:var(--bg)}
 html[data-design] .header .brand,html[data-design="c"] .header .brand{display:flex;flex-direction:row;text-align:left;padding:0;font-size:20px;gap:10px}
 html[data-design] .header .brand>.ui-icon{width:30px;height:30px}
 html[data-design] .header nav,html[data-design="c"] .header nav{display:grid;grid-template-columns:1fr 1.65fr;grid-column:1/-1;grid-row:2;width:100%;gap:0 14px;padding:10px 0;border-top:1px solid var(--line)}
 html[data-design] .header nav a,html[data-design="b"] .header nav a,html[data-design="c"] .header nav a{justify-content:flex-start;padding:7px 0;font-size:11px;min-height:35px;white-space:normal;border:0;gap:7px;border-radius:0;background:none}
 html[data-design] .header nav a:first-child{grid-column:1;grid-row:1}html[data-design] .header nav a:nth-child(2){grid-column:2;grid-row:1}html[data-design] .header nav a:nth-child(3){grid-column:2;grid-row:2}html[data-design] .header nav a:nth-child(4){grid-column:1;grid-row:2}
 html[data-design="a"] .header nav a:before{display:none}
 html[data-design] .header nav .ui-icon{width:17px;height:17px}
 html[data-design] .preview-return,html[data-design="c"] .preview-return{font-size:10px;margin:0;border:0;padding:5px 0;align-self:center;text-align:right}
 html[data-design] main,html[data-design="c"] main{margin-left:0;max-width:100%}
 html[data-design] footer,html[data-design="c"] footer{margin-left:0;padding-inline:6vw}
 html[data-design] .home-welcome,html[data-design="a"] .home-welcome,html[data-design="b"] .home-welcome,html[data-design="c"] .home-welcome{min-height:215px;display:block;padding:38px 0 36px;margin-bottom:29px}
 html[data-design] .home-welcome h1,html[data-design="c"] .home-welcome h1{font-size:40px;letter-spacing:.03em}
 html[data-design] .home-welcome .museum-title{font-size:22px;letter-spacing:.21em}
 html[data-design] .home-welcome picture,html[data-design] .hero-ornament{display:none}
 html[data-design] .home-dashboard,html[data-design="c"] .home-dashboard{grid-template-columns:1fr;gap:30px}
 html[data-design] .calendar-section{padding:24px 20px 20px}
 html[data-design="c"] .calendar-section{padding:60px 22px 21px}
 html[data-design] .calendar-day{min-height:43px}
 html[data-design] .word-statistics,html[data-design="c"] .word-statistics{grid-template-columns:1fr;gap:18px;padding-top:24px}
 html[data-design] .word-chart-wrap{max-width:250px}
 html[data-design] .word-legend-row{gap:8px 12px}
 html[data-design] .word-category{font-size:18px}html[data-design] .word-category-total{font-size:12px}
 html[data-design] .recommend-grid{grid-template-columns:1fr;gap:18px}
 html[data-design="b"] .recommend-grid{gap:1px}
 html[data-design] .recommend-book{padding:28px;min-height:245px}
 html[data-design="c"] .recommend-book{padding:63px 27px 26px}
 html[data-design] .archive-entrances{grid-template-columns:1fr;gap:18px}
 html[data-design] .archive-entrances>a{padding-inline:27px}
 html[data-design] .archive-entrances h2{font-size:21px}
 html[data-design] .page-head{padding:35px 6vw 25px}html[data-design] .page-head h1{font-size:32px}
 html[data-design] .illustrated-head{grid-template-columns:1fr;gap:20px}
 html[data-design] .illustrated-head>img{height:150px;width:100%}
 html[data-design] .library-tools{flex-direction:column;align-items:stretch;gap:18px}
 html[data-design] .library-tools .search-box{max-width:none}
 html[data-design] .library-grid,html[data-design="c"] .library-grid{grid-template-columns:1fr;gap:18px}
 html[data-design="b"] .library-grid{gap:0}
 html[data-design] .tab-button{padding:7px 10px;font-size:11px;min-height:38px}
 html[data-design] .keyword-cloud,html[data-design="b"] .keyword-cloud{grid-template-columns:1fr;gap:14px}
 html[data-design="a"] .keyword-cloud{padding-inline:17px;gap:0}
 html[data-design="b"] .keyword-cloud{gap:0}
 html[data-design] .keyword{padding:22px 19px;min-height:95px}
 html[data-design="a"] .keyword{padding-inline:2px}
 html[data-design="c"] .keyword{padding:40px 23px 22px}
 html[data-design] .keyword span,html[data-design] .keyword:nth-child(n) span{font-size:23px}
 html[data-design] .timeline-shell,html[data-design="c"] .timeline-shell{display:block;margin-inline:6vw}
 html[data-design] .era-directory,html[data-design="b"] .era-directory{position:static;border:0;border-bottom:1px solid var(--line);padding:0 0 18px;background:none}
 html[data-design] .era-ribbon{flex-direction:row;flex-wrap:wrap;gap:3px 16px}
 html[data-design] .timeline-tools{flex-direction:column;align-items:stretch}
 html[data-design] .chronicle-events{font-size:13px;line-height:2.05}
 html[data-design] .reader-shell,html[data-design="c"] .reader-shell{margin-left:0;width:100%;max-width:100%;padding:24px 6vw 50px}
 html[data-design] .reader-head h1{font-size:33px}
}

/* Public ICP filing link, shared by the existing page footers. */
html[data-design] footer{flex-wrap:wrap;row-gap:4px}
html[data-design] footer .footer-filing{flex:0 0 100%;margin:0;text-align:center;font:13px/1.8 var(--sans)}
html[data-design] footer .footer-filing a{display:inline-flex;align-items:center;min-height:44px;color:var(--text);text-decoration:underline;text-underline-offset:3px}
html[data-design] footer .footer-filing a:hover{color:var(--gold)}
html[data-design] footer .footer-filing a:focus-visible{outline:2px solid var(--gold);outline-offset:4px}