:root{--ink:#193e49;--muted:#687878;--orange:#c87540;--paper:#faf8f1;--line:#dedfd3;--mint:#e8eee5;--serif:"Songti SC","Noto Serif SC","STSong",serif}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.65 -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select{ -webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button:disabled{cursor:not-allowed;opacity:.45}button{border:0;background:none}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:4px}[hidden]{display:none!important}.container{max-width:1300px;margin:auto;padding:0 5%}.hero{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:7%;padding-top:60px;padding-bottom:52px}.eyebrow{font-size:11px;letter-spacing:3px;color:var(--orange);font-weight:600;margin:0 0 20px}.hero h1{font:500 clamp(40px,4.8vw,68px)/1.3 var(--serif);letter-spacing:1px;margin:0 0 24px}.hero h1 em{font-style:normal;color:var(--orange)}.lead{color:var(--muted);font-size:16px;line-height:1.9;max-width:480px}.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;gap:24px;padding:13px 25px;border-radius:6px;font-size:14px}.primary{background:var(--ink);color:#fff}.secondary{border:1px solid var(--line);background:transparent}.actions{display:flex;gap:12px;align-items:center;margin:28px 0}.meta{font-size:12px;color:var(--muted)}.hero-art{position:relative;padding:5px 32px 20px}.book-preview{display:block;width:80%;margin:auto;background:white;padding:10px;transform:rotate(5deg);box-shadow:12px 18px 0 #e1dfd0,18px 24px 38px #17343d20;border:1px solid #dad7c9;border-radius:2px 8px 8px 2px}.book-preview img{display:block;width:100%}.floating-note{position:absolute;bottom:16px;left:0;background:#fffdf5;border:1px solid #e7dfcf;box-shadow:0 8px 25px #243e4310;padding:15px 23px;transform:rotate(-5deg);font:17px var(--serif)}.floating-note small{display:block;font:10px/2 sans-serif;letter-spacing:2px;color:var(--orange)}.hero-art:before{content:'01';font:italic 150px/1 var(--serif);color:#e6e7db;position:absolute;right:0;top:0;z-index:-1}.ribbon{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:24px 0;gap:20px}.ribbon>div{display:flex;align-items:center;gap:15px}.ribbon b{font:27px var(--serif)}.ribbon span{font-size:12px;color:var(--muted)}.section{padding-top:52px;padding-bottom:52px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px}.section h2,.title{font:500 32px/1.4 var(--serif);margin:0 0 8px}.section-head p{margin:0;color:var(--muted);font-size:13px}.section-head a{white-space:nowrap;font-size:13px}.city-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.city-card{border:1px solid var(--line);border-radius:9px;overflow:hidden;background:#fffdf7;transition:transform .2s,box-shadow .2s}.city-card:hover{transform:translateY(-4px);box-shadow:0 10px 24px #183e4910}.card-visual{height:180px;background:#e7ebdf;position:relative;overflow:hidden;display:grid;place-items:center}.card-visual img{width:100%;height:100%;object-fit:contain;background:#fff}.card-visual>strong{font:64px var(--serif);letter-spacing:8px;color:#244953}.card-visual small{position:absolute;bottom:14px;left:18px;color:#6b7872;font-size:10px;letter-spacing:3px}.card-visual .tag{position:absolute;top:13px;left:13px;background:#fffdf4ed;font-size:10px;padding:3px 9px;border-radius:20px}.city-card:nth-child(3n+2) .card-visual{background:#ede3d3}.city-card:nth-child(3n) .card-visual{background:#e2e8ed}.card-body{padding:20px}.card-body h3{font:23px var(--serif);margin:0 0 10px}.card-body p{font-size:12px;color:var(--muted);margin:0 0 15px;min-height:40px}.card-bottom{border-top:1px solid var(--line);padding-top:12px;display:flex;justify-content:space-between;font-size:11px;color:var(--muted)}.feature{border-radius:8px;background:#e8ede4;padding:35px;display:grid;grid-template-columns:1fr 1fr 1fr;gap:35px}.feature b{font:21px var(--serif)}.feature p{font-size:13px;color:var(--muted);margin-bottom:0}.feature .number{display:block;font-size:12px;color:var(--orange);margin-bottom:14px}.footer{margin-top:45px;padding:32px 5.5%;border-top:1px solid var(--line);display:flex;align-items:center;gap:28px;font-size:11px;color:var(--muted)}.page-heading{padding:50px 0 20px}.page-heading h1{font:40px var(--serif);margin:0 0 12px}.page-heading p{color:var(--muted)}.search-row{display:flex;gap:12px;margin:22px 0}.search-row input{flex:1;min-width:0}.search-row input,.search-row select,dialog input{padding:13px 17px;border:1px solid var(--line);border-radius:6px;background:#fffef9;color:var(--ink)}.chips{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0 26px}.chip{border:1px solid var(--line);padding:7px 15px;border-radius:24px;font-size:12px}.chip.selected{background:var(--ink);color:white}.results-count{font-size:12px;color:var(--muted);margin-bottom:20px}.empty{padding:65px 20px;text-align:center;background:#efeee5;border-radius:8px}.city-intro{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin:20px 0 35px}.info{background:#eeefe5;padding:24px;border-radius:8px}.info b{font:20px var(--serif)}.info p{font-size:14px;color:var(--muted)}.chapter-row{display:grid;grid-template-columns:45px 1fr auto;gap:20px;padding:25px 0;border-bottom:1px solid var(--line);align-items:center}.chapter-row .number{font:30px var(--serif);color:var(--orange)}.chapter-row h3{font:21px var(--serif);margin:0 0 10px}.chapter-row p{margin:0;color:var(--muted);font-size:13px}.status{font-size:11px;color:var(--muted);white-space:nowrap}.breadcrumb{font-size:12px;color:var(--muted);margin-top:25px}.reader-mode{background:#e4e5db}.reader-mode .footer{display:none}.reader-toolbar{max-width:1400px;padding:18px 4%;margin:auto;display:flex;justify-content:space-between;align-items:center;gap:15px}.reader-toolbar h1{font:19px var(--serif);margin:0}.reader-toolbar .tools{display:flex;gap:7px;flex-wrap:wrap}.tool{font-size:12px;background:#f8f7ee;border:1px solid #cbd0c7;padding:7px 12px;border-radius:5px}.reading-book{display:grid;grid-template-columns:1fr 1fr;max-width:1200px;margin:0 auto;background:#fffdf7;border:1px solid #d2d0c0;box-shadow:0 15px 35px #213b4320,4px 4px 0 #f3f0e4,6px 6px 0 #c9c9bc;position:relative;transform-origin:left center}.reading-book.turning{animation:turn .28s ease-out}.reading-book.single{max-width:640px;grid-template-columns:1fr}.sheet{padding:30px 34px 44px;position:relative;min-width:0;min-height:690px;background:linear-gradient(90deg,#fffdf8,#fffdf8 96%,#ebe8dc)}.sheet:nth-child(2){background:linear-gradient(90deg,#eae7db,#fffdf8 4%,#fffdf8)}.sheet .eyebrow{margin-bottom:12px}.sheet h2{font:500 30px/1.4 var(--serif);margin:0 0 17px}.sheet p{font-size:15px;line-height:1.9}.sheet .atlas{width:100%;max-height:620px;object-fit:contain;display:block;cursor:zoom-in}.sheet figure{margin:15px 0}.sheet figure img{width:100%;max-height:260px;object-fit:contain;display:block}.sheet figcaption{font-size:10px;color:var(--muted);line-height:1.5;margin-top:6px}.sheet figcaption a{text-decoration:underline}.sheet .page-number{position:absolute;bottom:14px;right:26px;font:12px var(--serif);color:var(--muted)}.knowledge{padding:17px 19px;background:#edf0e5;border-left:3px solid #90a485;margin:16px 0;font-size:14px}.knowledge.orange{background:#f8ecd9;border-color:var(--orange)}.knowledge b{display:block;margin-bottom:5px}.sheet .footnote{font-size:11px;line-height:1.7;color:var(--muted)}.timeline{display:flex;gap:16px;border-top:1px solid var(--line);padding-top:13px}.timeline>div{flex:1;font-size:12px}.timeline b{font:25px var(--serif);display:block;color:var(--orange)}.quiz button{display:block;width:100%;text-align:left;border:1px solid var(--line);padding:9px 13px;border-radius:5px;margin:7px 0;font-size:13px}.quiz button.chosen{border-color:var(--orange);background:#fbefdd}.quiz .answer{min-height:24px;font-size:12px;color:#587444}.reading-controls{display:flex;justify-content:center;gap:30px;align-items:center;padding:24px 15px}.reading-controls button{border:1px solid #b8c3b6;border-radius:25px;padding:10px 24px;background:#f9f8f0}.reading-controls span{font-size:13px}.reader-help{text-align:center;font-size:11px;color:var(--muted);padding-bottom:20px}.large-type .sheet p{font-size:18px}.order-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;margin-top:25px}.order-card{border:1px solid var(--line);background:#fffdf7;padding:32px;border-radius:9px}.order-card h2{font:27px var(--serif)}.price{font:38px var(--serif);margin:22px 0}.order-card ul{padding-left:20px;color:var(--muted);font-size:14px}.order-card button{width:100%;margin-top:15px}.notice{background:#f3eddf;border-radius:6px;padding:15px;font-size:12px}.prose{max-width:800px}.prose h2{font:25px var(--serif);margin-top:35px}.prose p{color:var(--muted)}dialog{border:1px solid var(--line);border-radius:12px;padding:40px;max-width:460px;width:calc(100% - 30px);color:var(--ink);background:var(--paper)}dialog::backdrop{background:#102c3cb3;backdrop-filter:blur(4px)}dialog h2{font:28px var(--serif);margin:0 0 12px}dialog p{font-size:13px;color:var(--muted)}dialog label{display:block;font-size:12px;margin:15px 0 5px}dialog input{width:100%}.close{position:absolute;right:12px;top:8px;font-size:25px}.form-actions{display:flex;gap:12px;margin-top:23px;align-items:center}.form-message{font-size:12px!important;color:#ad5037!important;min-height:20px}.image-dialog{max-width:1100px}.image-dialog img{width:100%;display:block}.reader-menu a{display:block;padding:15px 0;border-bottom:1px solid var(--line);font-size:14px}#toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);padding:12px 24px;background:var(--ink);color:#fff;border-radius:8px;font-size:13px;z-index:20;pointer-events:none;opacity:0;transition:opacity .2s}#toast.show{opacity:1}.skip{position:fixed;left:10px;top:-60px;z-index:30;background:white;padding:10px}.skip:focus{top:10px}@keyframes turn{from{opacity:.55;transform:perspective(1800px) rotateY(-5deg)}to{opacity:1;transform:none}}@media(min-width:1500px){.hero{padding-top:80px;padding-bottom:70px}}@media(max-width:900px){.hero{gap:20px}.hero h1{font-size:42px}.hero-art{padding:0 12px 20px}.book-preview{width:95%}.city-grid{grid-template-columns:repeat(2,1fr)}.sheet{padding:24px;min-height:640px}.reading-book{margin:0 15px}.ribbon{gap:12px}.ribbon>div{gap:8px}.ribbon b{font-size:23px}.feature{padding:25px;gap:20px}}@media(max-width:640px){.hero{grid-template-columns:1fr;padding-top:32px;gap:28px}.hero h1{font-size:42px}.hero .lead{font-size:14px}.hero-art{max-width:330px;margin:auto}.book-preview{width:85%}.hero .actions{margin:20px 0}.hero .eyebrow{margin-bottom:14px}.hero-art:before{font-size:100px}.floating-note{font-size:14px;padding:12px 18px}.ribbon{grid-template-columns:1fr 1fr;padding:20px 0;gap:20px}.section{padding-top:35px;padding-bottom:30px}.section h2{font-size:27px}.city-grid{gap:12px}.card-visual{height:140px}.card-visual>strong{font-size:43px;letter-spacing:4px}.card-body{padding:14px}.card-body h3{font-size:20px}.card-body p{font-size:11px}.card-bottom{font-size:10px}.feature{grid-template-columns:1fr;gap:25px}.feature .number{margin-bottom:7px}.footer{flex-wrap:wrap;gap:15px}.page-heading h1{font-size:32px}.search-row{flex-wrap:wrap}.search-row input{width:100%;flex-basis:100%}.city-intro,.order-layout{grid-template-columns:1fr;gap:15px}.chapter-row{grid-template-columns:28px 1fr;gap:12px}.chapter-row>:last-child{grid-column:2}.reader-toolbar{align-items:flex-start;flex-wrap:wrap;padding:15px}.reader-toolbar h1{font-size:17px}.reader-toolbar .tools{gap:6px}.tool{font-size:11px;padding:6px 9px}.reading-book,.reading-book.single{grid-template-columns:1fr;margin:0 10px}.sheet{padding:24px 20px 40px;min-height:0}.sheet h2{font-size:28px}.reading-controls{gap:15px}.reading-controls button{padding:9px 19px}.reader-help{padding:0 18px 15px}.image-dialog{padding:35px 8px 12px}.search-row select{flex:1;font-size:12px}.section-head{align-items:center}.section-head a{font-size:11px}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}@media print{.footer,.reader-toolbar,.reading-controls,.reader-help,dialog,#toast{display:none!important}body{background:white}.reading-book,.reading-book.single{display:block;box-shadow:none;border:0;margin:0;max-width:none}.sheet{background:white!important;min-height:0;break-after:page}.sheet .atlas{max-height:245mm}.sheet:last-child{break-after:auto}@page{size:A4;margin:14mm}}
.payment-methods{border:1px solid var(--line);border-radius:6px;padding:12px 16px;margin:18px 0}.payment-methods legend{font-size:12px;color:var(--muted)}.payment-methods label{display:inline-flex;align-items:center;gap:6px;margin-right:20px;font-size:14px}.payment-methods input{accent-color:var(--ink)}
@media(max-width:640px){.reading-book{margin-top:0}}
/* Selective pinyin for primary-school readers; keep base characters searchable. */
ruby.reading-pinyin{ruby-position:over;ruby-align:center}ruby.reading-pinyin rt{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;font-size:clamp(10px,.55em,20px);font-weight:400;letter-spacing:.025em;color:#49676d;line-height:1.15}ruby.reading-pinyin rp{font-size:.65em}.chapter-row h3,.info p,.sheet p,.knowledge{line-height:2}.reading-glossary{font-size:14px;margin:12px 0;padding:10px 14px;background:#edf0e5;line-height:2.3}.reading-glossary span{display:inline-block;margin-right:14px}@media print{ruby.reading-pinyin rt{color:#333}}

/* Reading uses the available window; never shrink a page merely to fit its height. */
@media screen {
  .reader-toolbar{max-width:none;width:100%;padding:12px 24px;position:sticky;top:0;z-index:4;background:#e4e5dbf5;backdrop-filter:blur(10px)}
  .reader-toolbar h1{font-size:21px}
  .reader-toolbar .tool{font-size:14px;padding:8px 14px}
  .reading-book{max-width:none;width:calc(100% - 32px);margin:0 16px}
  .reading-book.single{max-width:1120px;width:calc(100% - 32px);margin:0 auto}
  .reading-book .sheet{padding:clamp(24px,2.2vw,48px);padding-bottom:54px;min-height:calc(100dvh - 205px)}
  .reading-book .sheet h2{font-size:clamp(30px,2.5vw,48px);line-height:1.5}
  .reading-book .sheet p{font-size:clamp(18px,1.2vw,24px);line-height:2}
  .reading-book .sheet .eyebrow{font-size:14px;line-height:1.6}
  .reading-book .sheet .knowledge{font-size:clamp(18px,1.2vw,24px);padding:20px 24px;line-height:2}
  .reading-book .sheet .atlas{width:100%;height:auto;max-height:none}
  .reading-book .sheet>button[data-action="atlas"],.reading-book .sheet figure>button{display:block;width:100%;padding:0}
  .reading-book .sheet figure img{width:100%;height:auto;max-height:none}
  .reading-book .sheet figcaption,.reading-book .sheet .footnote{font-size:13px;line-height:1.8}
  .reading-book .reading-glossary{font-size:18px}
  .reading-book .timeline>div{font-size:16px}
  .reading-book .quiz button{font-size:18px;padding:13px 17px}
  .reading-book .sheet ruby rt{font-size:clamp(12px,.58em,24px)}
  .reading-book.large-type .sheet p,.reading-book.large-type .sheet .knowledge{font-size:clamp(22px,1.5vw,30px)}
  .reading-controls{position:sticky;bottom:0;z-index:3;background:#e4e5dbf5;backdrop-filter:blur(10px);margin:12px 0 0;padding:10px 16px;border-top:1px solid #cbd0c7}
  .reading-controls button{font-size:16px;padding:9px 28px}
  .reading-controls span{font-size:15px}
  .reader-help{margin:0;padding:7px 12px 12px}
}
@media screen and (max-width:640px) {
  .reader-toolbar{padding:10px 14px;gap:8px}
  .reader-toolbar h1{font-size:18px}
  .reader-toolbar .tool{font-size:12px;padding:7px 10px}
  .reading-book,.reading-book.single{width:calc(100% - 12px);margin:0 6px}
  .reading-book .sheet{padding:22px 18px 45px;min-height:0}
  .reading-book .sheet h2{font-size:30px}
  .reading-book .sheet .knowledge{padding:15px}
  .reading-controls{gap:18px}
  .reading-controls button{font-size:14px;padding:9px 18px}
}
/* The chosen hardcover bookshelf: custom printed covers, live reading controls. */
:root{--book-navy:#092d50;--book-orange:#cb4d0c;--display:"Kaiti SC","STKaiti","KaiTi",var(--serif)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.bookshelf-mode{background:#faf8f1;color:var(--book-navy)}
.bookshelf-home{max-width:1700px;margin:0 auto;overflow:hidden}
.shelf-intro{position:relative;height:225px;isolation:isolate}
.intro-art{position:absolute;width:100%;height:350px;object-fit:cover;object-position:top;z-index:-1;mix-blend-mode:multiply;pointer-events:none}
.intro-copy{position:relative;text-align:center;padding:30px 23% 0}
.intro-copy h1{font:800 clamp(30px,3.6vw,58px)/1.3 var(--display);white-space:nowrap;margin:0 0 19px;letter-spacing:1px}
.intro-copy h1>span,.discovery-copy h3>span{color:var(--book-orange)}
.book-search{max-width:540px;margin:auto;display:flex;align-items:center;background:#fffdf8;border:1.5px solid #bfb7a9;border-radius:32px;padding:5px 6px 5px 22px;text-align:left;box-shadow:0 2px 0 #e9e1d366}
.book-search input{width:100%;min-width:0;border:0;outline-offset:1px;background:transparent;color:var(--book-navy);font-size:17px;padding:6px 0}
.book-search button{background:var(--book-orange);border-radius:24px;color:white;white-space:nowrap;padding:7px 16px;font-size:15px}
.bookcase{position:relative;padding:0 2.5% 32px}
.cover-row{display:grid;grid-template-columns:1.26fr 1fr 1fr 1fr;gap:10px;align-items:end;position:relative;z-index:1}
.cover-book{min-width:0;transition:transform .25s}
.cover-book:hover{transform:translateY(-8px)}
.cover-link{display:block;position:relative}
.cover-link>img{display:block;width:100%;height:auto;aspect-ratio:2/3;object-fit:contain;mix-blend-mode:multiply}
.book-cta{position:absolute;bottom:7%;left:50%;transform:translateX(-50%);border:1px solid #c7bda8;border-radius:30px;background:#fbefda;color:var(--book-navy);font-size:14px;font-weight:600;white-space:nowrap;padding:8px 20px;box-shadow:0 2px 3px #3123091a}
.book-cta.ready{background:var(--book-navy);color:#fff;border:2px solid #fff9e9;font-size:18px;padding:9px 26px}
.wood-shelf{position:absolute;bottom:0;left:0;width:100%;height:65px;object-fit:fill;z-index:0;mix-blend-mode:multiply}
.little-discovery{display:grid;grid-template-columns:48% 52%;align-items:center;min-height:220px;padding:6px 5% 0 1%}
.discovery-picture{position:relative;min-width:0;height:240px}
.discovery-picture img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}
.discovery-picture h2{position:absolute;left:5%;top:16%;font:800 clamp(24px,2.7vw,40px)/1.25 var(--display);color:var(--book-orange);transform:rotate(-8deg);margin:0}
.discovery-copy{padding:15px 0 15px 16px}
.discovery-copy h3{font:800 clamp(24px,2.6vw,40px)/1.35 var(--display);margin:0 0 12px}
.discovery-copy p{font-size:15px;line-height:1.9;margin:0 0 16px}
.discovery-link{display:inline-flex;background:var(--book-navy);color:#fff;padding:8px 27px;border-radius:30px;font-size:17px;font-weight:600}
.shelf-footnote{display:flex;align-items:center;justify-content:space-between;margin:0 5%;padding:15px 0 20px;border-top:1px solid #e1dbcf;font-size:12px;color:#62716c;gap:20px}
.shelf-footnote a{font-size:15px;color:var(--book-navy);text-decoration:underline;text-underline-offset:5px}
.bookshelf-mode .footer{margin-top:0}
@media(min-width:1600px){.shelf-intro{height:250px}.intro-art{height:390px}.cover-row{gap:15px}}
@media(max-width:900px){.shelf-intro{height:190px}.intro-copy{padding:25px 15% 0}.intro-art{height:275px}.book-cta{font-size:11px;padding:6px 10px}.book-cta.ready{font-size:14px;padding:7px 18px}.discovery-picture{height:210px}.discovery-copy p{font-size:13px}.discovery-copy p br{display:none}}
@media(max-width:640px){.shelf-intro{height:192px}.intro-art{height:220px;opacity:.55}.intro-copy{padding:29px 5% 0}.intro-copy h1{font-size:31px;margin-bottom:20px;letter-spacing:0}.book-search{max-width:360px}.book-search input{font-size:15px}.cover-row{grid-template-columns:1fr 1fr;gap:20px 8px}.cover-book.featured-book{transform:none}.bookcase{padding:0 3% 25px}.book-cta{font-size:12px;padding:6px 12px}.book-cta.ready{font-size:15px}.wood-shelf{height:42px}.little-discovery{grid-template-columns:1fr;padding:0 6% 20px}.discovery-picture{height:190px}.discovery-picture h2{left:3%;font-size:29px}.discovery-copy{padding:0;text-align:center}.discovery-copy h3{font-size:27px}.discovery-copy p{font-size:14px}.shelf-footnote{display:block;text-align:center;font-size:11px}.shelf-footnote a{font-size:14px}.bookshelf-mode .footer{font-size:10px}}
@media(min-width:641px){.shelf-intro{height:200px}.cover-link{height:min(32vw,544px);overflow:hidden}.featured-book .cover-link{height:min(35vw,595px)}.cover-link>img{width:110%;max-width:none;height:116%;aspect-ratio:auto;object-fit:fill;position:relative;left:-5%;top:-8%}.cover-book:nth-child(2) .cover-link>img{height:106%;top:-3%}.bookcase{padding-bottom:32px}.book-cta{bottom:5%}.intro-art{height:350px}}
.intro-art{height:285px;top:-28px;object-fit:fill}
.wood-shelf{height:76px;bottom:-5px;object-fit:cover;object-position:50% 47%;z-index:2;pointer-events:none}
.bookcase{padding-bottom:38px}
@media(max-width:640px){.intro-art{height:220px;top:0;object-fit:cover;opacity:.35}.wood-shelf{height:45px}.bookcase{padding-bottom:30px}}
@media(min-width:641px){.intro-art{height:340px;object-fit:cover;object-position:center 40%}.wood-shelf{bottom:-24px}.little-discovery{padding-top:25px}}
@media(min-width:641px){.shelf-intro{height:206px}.intro-copy h1{font-size:clamp(34px,4vw,60px);font-weight:900}.intro-art{top:-52px}.cover-link{height:min(30vw,510px)}.featured-book .cover-link{height:min(32.5vw,552px)}}
@media(max-width:640px){}
/* Match primary-school reading: one centered syllable above each character. */
.pinyin-word{display:inline-block;white-space:nowrap;text-indent:0}
ruby.reading-pinyin{ruby-align:center;ruby-overhang:none;text-align:center}
ruby.reading-pinyin rt{text-align:center;letter-spacing:0;padding:0 .12em}