/* Reading desk: size the book to the available viewport, with equal facing pages. */
html{height:100%}
body{height:100dvh;min-height:0;font-size:14px}
main{height:100%;display:grid;grid-template-rows:minmax(0,1fr) auto;gap:12px;padding:28px clamp(20px,4vw,80px) 18px}
.passport-stage,.is-open .passport-stage{display:grid;grid-template-rows:minmax(0,1fr);grid-template-columns:minmax(0,1fr);place-items:center;min-height:0;padding:12px 0}
.passport-shell{height:min(100%,650px);max-height:78dvh;width:auto;max-width:82vw;aspect-ratio:88/125;border-radius:6px 12px 12px 6px}
.passport-cover{justify-content:center;padding:8% 9%;color:#d4b77b}
.cover-border{inset:15px;border-color:#c7a36050}
.cover-english{font:10px/1.8 var(--sans);letter-spacing:3px;margin:0;opacity:.85}
.cover-label{font:500 clamp(20px,2.2vw,30px)/1.7 var(--sans);letter-spacing:5px;margin:7px 0 0}
.cover-portrait{width:43%;aspect-ratio:1;flex-shrink:0;border:1px solid #d4b77b99;border-radius:50%;outline:1px solid #d4b77b44;outline-offset:7px;display:flex;flex-direction:column;align-items:center;justify-content:center;margin:11% 0 9%;background:#d4b77b08}
.cover-portrait>span{font:18px/1.8 var(--hand);letter-spacing:2px;opacity:.85}
.cover-portrait small{font-size:10px;letter-spacing:3px;opacity:.65;margin-top:4px}
.cover-name{font:500 clamp(28px,3vw,40px)/1.5 var(--sans);letter-spacing:8px;padding-left:8px}
.cover-subtitle{font:13px/1.8 var(--sans);letter-spacing:2px;margin-top:12px}
.cover-action{font-size:12px;margin-top:11%;padding-top:14px;width:70%}
.passport-shell[data-state=open]{width:auto;max-width:78vw;height:min(100%,780px);max-height:78dvh;aspect-ratio:1.42/1;border-radius:5px;box-shadow:0 22px 40px -22px #3a474a70,0 2px 3px #45545235,0 5px 0 -1px #d2d4ca,0 8px 0 -2px #f1f1e9}
.passport-shell[data-state=open] .passport-cover{visibility:hidden}
.passport-shell[data-state=open] .map-sheet{height:100%;min-height:0;aspect-ratio:auto}
.map-sheet{overflow:visible;border-radius:inherit;padding:16px clamp(22px,2.8vw,42px) 12px}
.map-sheet:before{border-radius:inherit}
.map-header,.map-footer{z-index:3;flex-shrink:0;font-size:10px;gap:16px}
.map-header{padding-bottom:10px}
.map-header #chapter-title{position:absolute;left:50%;transform:translateX(-50%);opacity:0;pointer-events:none}
.map-header button{padding-block:3px}
.map-content{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(64px,7vw,108px);padding:22px 0 20px}
.page{min-height:0}
.page>*{flex-shrink:0}
.map-footer{padding-top:10px}
.chapter-controls{gap:22px}
.chapter-controls button{font-size:12px}
.resume-link{white-space:nowrap}
.map-folds{z-index:2;border-radius:inherit;background:linear-gradient(90deg,transparent 47%,#24382b06 48.6%,#3643311c 49.6%,#41473340 49.95%,#fff9 50.15%,#36433114 50.6%,transparent 53%)}
.chapter-ribbon{position:absolute;z-index:5;top:0;left:calc(50% + clamp(12px,1.3vw,18px));width:34px;height:calc(clamp(164px,34%,246px) + 1cm);color:#fff5e5;background:linear-gradient(90deg,#8c1017 0%,#d52b2f 18%,#b9161c 65%,#780a11 100%);clip-path:polygon(0 0,100% 0,100% 100%,50% calc(100% - 27px),0 100%);box-shadow:2px 0 4px #33040d55,-3px 0 7px #ffffff66 inset;pointer-events:none;text-align:center;transform-origin:top center}
.chapter-ribbon:before{content:'';position:absolute;inset:0 3px;border-inline:1px solid #ffd4bd36;background:repeating-linear-gradient(0deg,transparent 0 3px,#50020816 3px 4px)}
.chapter-ribbon:after{content:'';position:absolute;left:0;right:0;bottom:26px;height:1px;background:#fff0df5c;box-shadow:0 1px #55000866}
.chapter-ribbon span{position:relative;display:inline-block;writing-mode:vertical-rl;font:12px/34px var(--sans);letter-spacing:3px;margin-top:31px;text-shadow:0 1px #62070b}
.map-content{perspective:1800px;transform-style:preserve-3d}
.turn-static,.page-turn-sheet{position:absolute!important;z-index:7;margin:0;overflow:hidden;background:var(--paper);box-shadow:0 8px 18px #24384b25;pointer-events:none}
.turn-static{z-index:6}
.page-turn-sheet{transform-style:preserve-3d;will-change:transform}
.page-turn-sheet.turn-forward{transform-origin:left center}
.page-turn-sheet.turn-backward{transform-origin:right center}
.turn-face{position:absolute;inset:0;width:100%;height:100%;padding:0;overflow:hidden;backface-visibility:hidden;-webkit-backface-visibility:hidden;background:var(--paper);box-shadow:inset 0 0 22px #24384b12}
.turn-front{z-index:2}
.turn-back{transform:rotateY(180deg);z-index:1}
.page-turn-sheet:after{content:'';position:absolute;inset:0;z-index:4;pointer-events:none;background:linear-gradient(90deg,#10182000 42%,#10182028 100%);backface-visibility:hidden}
.page-turn-sheet.turn-backward:after{background:linear-gradient(270deg,#10182000 42%,#10182028 100%)}
.interaction-hint{margin:0;font-size:11px;line-height:1.6}
h1{font-size:44px;letter-spacing:6px;line-height:1.35}
h2{font-size:28px;line-height:1.45;letter-spacing:1px}
.overline{font-size:11px}
.intro-heading .overline{margin-bottom:4px}
.intro-subtitle{font-size:21px;margin-top:5px}
.identity{gap:14px 20px;margin-top:20px}
.identity dt{font-size:11px}
.identity dd{font-size:15px;margin-top:3px}
.identity .wide dd{font-size:18px;letter-spacing:2px}
.intro-summary{font-size:14px;line-height:1.9;margin-top:20px}
.stamp strong{font-size:21px}
.stamp small{font-size:9px}
.stamp-round{width:95px;height:95px}
.intro-stamp{right:8px;bottom:32px;opacity:.6}
.machine-line{font-size:10px;letter-spacing:1px;padding-top:14px}
.index-heading h2{font-size:27px}
.index-heading p{margin-top:6px}
.index-list{gap:22px 16px;margin-top:26px}
.visa-link{gap:10px}
.visa-seal{width:min(100%,120px)}
.visa-seal:after{inset:6px}
.visa-city{font-size:22px;letter-spacing:1px}
.visa-english{font-size:8px;letter-spacing:.5px;margin-top:3px}
.visa-date{font-size:10px}
.visa-description{line-height:1.65;max-width:145px}
.visa-link[data-chapter="5"] .visa-city{font-size:17px;letter-spacing:0}
.index-note{font-size:22px;line-height:1.6;margin:auto 0 5px 5px;padding-top:16px}
.chapter-heading h2{font-size:42px;letter-spacing:6px}
.chapter-heading .date{font-size:12px;margin-top:4px}
.chapter-tag{font-size:11px;padding:2px 9px;margin-top:12px}
.chapter-stamp{right:7px;top:12px;width:90px;height:68px}
.place-art{width:100%;min-height:60px;flex:1 1 0;aspect-ratio:auto;margin:12px auto;max-width:410px}
.place-caption{font-size:20px;line-height:1.6;margin-top:8px}
.chapter-institution{font-size:18px;margin-top:16px}
.chapter-degree{font-size:12px;margin-top:4px}
.detail-heading{font-size:27px;line-height:1.45}
.detail-intro{font-size:14px;line-height:1.8;margin-top:12px}
.detail-intro br{display:none}
.metric-row{gap:26px;margin:16px 0 0;padding:10px 0}
.metric strong{font-size:29px;line-height:1.2}
.metric span{font-size:11px;margin-top:4px}
.evidence{margin-top:14px}
.evidence h3{font-size:14px}
.evidence p{font-size:14px;line-height:1.75;margin-top:3px}
.lesson{padding-top:10px}
.lesson small{font-size:10px}
.lesson p{font-size:21px;line-height:1.6;margin-top:3px}
.page.right>.lesson{margin-top:auto}
.note-paper{padding:9px 16px;margin-top:14px}
.note-paper p{font-size:20px;line-height:1.4}
.language-line{gap:10px;margin-top:14px}
.language-line span{padding:2px 8px;font-size:12px}
.research-flow{padding-left:16px;margin-top:16px}
.research-flow p{font-size:14px;padding:5px 0}
.research-flow span{font-size:11px;margin-right:10px}
.publication{font-size:12px;margin-top:15px;line-height:1.8}
.report-slip{gap:20px;margin-top:14px;padding:10px 16px}
.report-slip strong{font-size:32px}
.report-slip p{font-size:14px}
.offer-title{font-size:44px;letter-spacing:-1px;margin-top:18px}
.offer-subtitle{font-size:25px;margin-top:12px}
.offer-ticket{margin-top:22px;padding:20px}
.offer-ticket h3{font-size:24px;line-height:1.4;margin:10px 0}
.ticket-line{gap:12px;padding-top:12px;font-size:11px}
.offer-thought{font-size:23px;line-height:1.7;margin-top:auto;margin-bottom:6px;padding-top:18px}
.placeholder-area{flex:1 1 0;min-height:100px;margin-top:22px;max-height:260px}
.paper-mark{font-size:34px}
.placeholder-area strong{font-size:23px;margin-top:8px}
.placeholder-area p{font-size:12px;margin-top:6px}
.pending-list{font-size:14px;line-height:1.9;margin:18px 0}
.contact-heading{font-size:34px;line-height:1.5}
.closing-copy{font-size:14px;line-height:1.9;margin-top:20px}
.closing-stamps{gap:18px;margin-top:24px}
.closing-stamps .stamp{width:88px;height:88px;font-size:16px}
.signature{font-size:30px;margin-top:auto;margin-bottom:5px}
.contact-details{margin:24px 0 0}
.contact-details div{margin-bottom:20px}
.contact-details dt{font-size:11px}
.contact-details dd{margin-top:4px;font-size:20px}
.contact-actions{margin-top:12px}
.action{font-size:13px;padding:9px 16px}
.contact-status{font-size:12px;min-height:22px;margin-top:12px}
.back-link{font-size:12px;margin-top:auto}
body[data-layout=watermark] .place-art{opacity:.3}
@media(min-height:950px) and (min-width:1000px){
.map-content{padding-block:30px}.detail-heading{font-size:31px}
.detail-intro,.evidence p,.intro-summary,.closing-copy{font-size:16px}
.evidence{margin-top:22px}.metric-row{margin-top:22px;padding-block:15px}.lesson p{font-size:24px}
.identity{gap:20px;margin-top:28px}.identity dd{font-size:17px}.intro-summary{margin-top:26px}
.index-list{gap:30px 18px;margin-top:36px}.visa-seal{width:min(100%,140px)}
}
@media(max-height:849px){
main{padding-top:16px;padding-bottom:12px;gap:7px}.passport-stage,.is-open .passport-stage{padding-block:8px}
.map-sheet{padding-top:10px;padding-bottom:8px}.map-content{padding-block:14px}
.map-header{padding-bottom:6px}.map-footer{padding-top:6px}
.detail-heading{font-size:25px}.detail-intro{margin-top:8px}
.metric-row{margin-top:10px;padding-block:7px}.metric strong{font-size:26px}
.evidence{margin-top:9px}.lesson{padding-top:7px}.lesson p{font-size:19px}
.identity{gap:10px 18px;margin-top:14px}.intro-summary{margin-top:14px}
.index-list{margin-top:18px;gap:16px}.visa-seal{width:min(100%,100px)}
.index-note{font-size:19px;padding-top:10px}
.intro-stamp{width:76px;height:76px;bottom:30px}.intro-stamp strong{font-size:17px}.intro-stamp small{font-size:7px}
.note-paper,.language-line,.research-flow,.publication{margin-top:10px}.research-flow p{padding-block:3px}
.offer-ticket{margin-top:16px;padding:15px}.offer-ticket h3{margin-block:10px;font-size:24px}
.closing-copy{margin-top:14px}.closing-stamps{margin-top:16px}
}
@media(max-width:1000px) and (min-width:761px){
main{padding-inline:24px}.map-sheet{padding-inline:24px}.map-content{gap:58px}
.detail-heading,.index-heading h2{font-size:24px}.index-list{gap:16px 12px}
.visa-city{font-size:19px}.visa-link[data-chapter="5"] .visa-city{font-size:13px}.visa-english{font-size:7px}
.intro-stamp{display:none}.chapter-stamp{width:72px;height:60px}.chapter-heading h2{font-size:36px}
.closing-stamps{gap:10px}.closing-stamps .stamp{width:76px;height:76px}.metric-row{gap:18px}
}
@media(max-width:760px){
main{padding:16px 14px 12px;gap:8px}
.passport-shell{height:auto;width:min(82vw,410px,53dvh);max-height:78dvh}
.cover-label{font-size:22px;letter-spacing:3px}.cover-name{font-size:32px}.cover-subtitle{font-size:11px}.cover-portrait>span{font-size:16px}
.passport-shell[data-state=open]{height:100%;max-width:540px;width:100%;max-height:900px}
.map-sheet{padding:12px 22px 10px}.map-content{display:flex;gap:0;padding:20px 0 16px}.page{width:100%}
.map-folds{background:linear-gradient(90deg,#36433118,transparent 14px)}
.chapter-ribbon{left:auto;right:16px;width:26px;height:calc(132px + 1cm)}
.chapter-ribbon span{font-size:10px;line-height:26px;letter-spacing:2px;margin-top:23px}
.turn-static,.page-turn-sheet{display:none}
.map-header{padding-right:36px;font-size:9px;letter-spacing:0}.map-header button{font-size:10px;padding-left:6px}
.map-format{display:none}.map-footer{gap:10px;letter-spacing:0}.chapter-controls{gap:12px}
.chapter-controls button{font-size:11px}.resume-link,.interaction-hint{font-size:10px}
.index-heading,.detail-heading{padding-right:18px}.index-list{margin-top:26px;gap:26px 16px}
.visa-seal{width:min(100%,110px)}.visa-city{font-size:20px}.visa-link[data-chapter="5"] .visa-city{font-size:15px}.visa-english{font-size:7px}
.intro-stamp{bottom:42px}.place-art{max-width:380px}.chapter-stamp{right:32px;top:65px;width:80px;height:64px}
.closing-copy br{display:none}.contact-heading{font-size:32px;padding-right:18px}.lesson p{font-size:20px}
}
@media(max-height:700px), (min-width:761px) and (max-width:1100px){
.detail-heading{font-size:23px;line-height:1.35}.detail-intro,.evidence p{font-size:13px;line-height:1.65}
.evidence h3{font-size:13px}.evidence{margin-top:8px}.lesson p{font-size:18px}
.index-heading h2{font-size:24px}.index-list{margin-top:16px;gap:14px 12px}
.visa-seal{width:min(100%,88px)}.visa-city{font-size:19px}.visa-link{gap:6px}.visa-description{font-size:10px}
h1{font-size:38px}.intro-subtitle{font-size:19px}.identity dd{font-size:14px}
.intro-summary{font-size:13px;line-height:1.8}.intro-stamp{display:none}
.contact-heading{font-size:28px}.closing-stamps .stamp{width:72px;height:72px;font-size:14px}
.closing-copy{font-size:13px}.contact-details{margin-top:16px}.contact-details div{margin-bottom:14px}
.offer-title{font-size:37px;margin-top:12px}.offer-subtitle{font-size:23px;margin-top:8px}
.offer-thought{font-size:20px}.pending-list{font-size:13px;margin-block:12px}
}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;animation:none!important}}
.continuation-heading{font:16px/1.6 var(--sans);color:var(--muted);margin-bottom:14px;padding-right:28px}
.stamp strong,.stamp small{white-space:nowrap}
.visa-link[data-chapter="5"] .visa-city{white-space:nowrap;font-size:16px}
@media(max-height:849px){.offer-thought{padding-top:8px}.offer-ticket h3{font-size:23px;margin-block:8px}.note-paper{padding-block:7px}}
@media(min-width:761px) and (max-height:700px){
main{padding-top:12px;padding-bottom:10px;gap:6px}
.passport-stage,.is-open .passport-stage{padding-block:6px}
.map-content{padding-block:10px}
.detail-heading br,.intro-summary br,.contact-heading br,.closing-copy br,.offer-ticket h3 br,.offer-thought br{display:none}
.detail-heading{font-size:22px;letter-spacing:0}
.metric-row{margin-top:8px;padding-block:5px}.metric strong{font-size:24px}.metric span{line-height:1.4}
.identity{gap:8px 18px;margin-top:10px}.identity dt{line-height:1.5}.intro-summary{margin-top:10px}
.machine-line{padding-top:8px}.intro-subtitle{margin-top:2px}.intro-heading .overline{margin-bottom:0}
.index-note{padding-top:6px;font-size:18px}.index-list{gap:12px}
.offer-title{margin-top:8px}.offer-subtitle{font-size:22px}.offer-ticket{margin-top:12px;padding:12px}.offer-thought{font-size:19px}
.contact-details{margin-top:12px}.contact-details div{margin-bottom:10px}.contact-details dd{font-size:18px}
.contact-actions{margin-top:6px}.contact-status:empty{min-height:0;margin-top:0}
.lesson small{line-height:1.4}.lesson p{line-height:1.5}
.evidence{margin-top:6px}.evidence p,.detail-intro{line-height:1.55}.lesson{padding-top:4px}
}
@media(max-width:360px){.map-sheet{padding-inline:17px}.chapter-controls{gap:8px}.chapter-controls #counter{font-size:10px}.visa-seal{width:min(100%,76px)}.visa-city{font-size:17px}.visa-link[data-chapter="5"] .visa-city{font-size:13px}}

/* Keep the crease clear, reserve the footer, and fit every original page inside it. */
.chapter-ribbon{left:50%;transform:translateX(-50%);pointer-events:auto;animation:none;rotate:0deg;transform-origin:top center;will-change:rotate;cursor:default}
@media(hover:hover){.chapter-ribbon:hover{animation:bookmark-pendulum 1.6s cubic-bezier(.42,0,.58,1) infinite}}
@keyframes bookmark-pendulum{0%,100%{rotate:0deg}25%{rotate:-30deg}50%{rotate:0deg}75%{rotate:30deg}}
.map-content{isolation:isolate;overflow:hidden;perspective:none;transform:none}
.map-footer{position:relative;z-index:4;flex:0 0 auto;min-height:28px;background:linear-gradient(var(--paper),var(--paper))}
.page{overflow:hidden;max-height:100%}
.page-content{--page-scale:1;display:flex;flex-direction:column;align-items:flex-start;min-width:0;min-height:100%;width:calc(100% / var(--page-scale));transform:scale(var(--page-scale));transform-origin:top left}
.page-content>*{max-width:100%;min-width:0;flex-shrink:0}
.page-content .lesson{margin-top:auto}
.page-content p,.page-content dd,.page-content h1,.page-content h2,.page-content h3,.page-content small,.page-content span{overflow-wrap:anywhere;word-break:break-word}
.page-content .detail-intro,.page-content .evidence,.page-content .intro-summary,.page-content .closing-copy,.page-content .pending-list{max-width:100%}
.page-flip-overlay{position:fixed;z-index:8;inset:0;pointer-events:none}
.page-flip-host.stf__parent,.page-flip-host{position:fixed;overflow:visible;pointer-events:none;will-change:clip-path,transform}
.page-flip-preview{display:block;width:100%;height:100%;background:var(--paper);will-change:clip-path,transform}
.page-flip-window{position:absolute;inset:0;overflow:hidden}
.page-flip-snapshot{position:absolute;top:0;display:flex;flex-direction:column;min-height:0;max-width:none;pointer-events:none}
.page-flip-snapshot [data-flip-id="chapter-title"]{position:absolute;left:50%;transform:translateX(-50%);opacity:0;pointer-events:none}
.page-flip-snapshot [data-flip-id="counter"]{font:11px Consolas,monospace}
.page-flip-measure{position:fixed;left:-20000px;visibility:hidden}
.map-sheet.is-turning>.map-content,.map-sheet.is-turning>.map-header,.map-sheet.is-turning>.map-footer,.map-sheet.is-turning>.chapter-ribbon{visibility:hidden}
@media(max-width:360px){.page-flip-snapshot [data-flip-id="counter"]{font-size:10px}}
@media(max-width:760px){.chapter-ribbon{left:auto;right:16px;transform:none}.page-content{transform:none;width:100%;min-height:0}}