/* Laowai reading journal: page compositions and learning components.
   Global typography, navigation, footer, buttons and tokens live in homepage.css. */

:where(.learning-site,.guide,.policy) [hidden]{display:none!important}
:where(.learning-site,.guide,.policy) :where(input,select,button){font:inherit}
:where(.learning-site,.guide,.policy) :where(section,h2,h3){scroll-margin-top:110px}
:where(.learning-site,.guide,.policy) :where(input,select,button,summary){touch-action:manipulation}
:where(.learning-site,.guide,.policy) :where(input,select):focus-visible{outline:2px solid var(--ink);outline-offset:4px}

/* Folio openings */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:baseline;gap:9px;padding-top:30px;color:var(--muted);font-size:12px;line-height:1.6}
.breadcrumb a{color:inherit;text-decoration:none}
.breadcrumb a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:4px}
.breadcrumb [aria-hidden]{color:var(--line)}
.index-hero{display:grid;grid-template-columns:1.25fr .75fr;align-items:center;gap:clamp(40px,7vw,110px);padding:75px 0 80px}
.index-hero>*{min-width:0}
.index-hero h1{max-width:16ch;margin:20px 0 27px;font-family:var(--display,Georgia,serif);font-size:clamp(58px,7vw,104px);font-weight:400;line-height:.99;letter-spacing:-.045em}
.index-hero h1 em{color:var(--accent);font-weight:inherit}
.index-hero>div>p:not(.eyebrow):not(.editorial-note){max-width:53ch;font-size:17px;line-height:1.8}
.index-art{position:relative;display:flex;align-items:center;justify-content:center;min-height:300px;padding:35px 45px 65px;border-left:1px solid var(--line)}
.index-art .big-hanzi{color:var(--ink);font-family:"Songti SC","Noto Serif CJK SC",serif;font-size:clamp(130px,15vw,215px);line-height:1}
.index-art .stamp{position:absolute;inset:18px 0 auto auto;color:var(--accent);writing-mode:vertical-rl;font-size:14px;letter-spacing:.2em;line-height:1.7}
.index-art .art-note{position:absolute;bottom:10px;left:45px;max-width:23ch;color:var(--muted);font-family:var(--serif,Georgia,serif);font-size:17px;font-style:italic;line-height:1.5}
.path-hero{grid-template-columns:.85fr 1.15fr;gap:clamp(35px,5vw,75px)}
.path-hero h1{font-size:clamp(58px,6.5vw,92px)}
.library-hero{align-items:end}
.library-start{border-top:1px solid var(--ink);padding-top:19px}
.library-start>.eyebrow{margin:0 0 15px}
.library-start>a{display:grid;grid-template-columns:94px minmax(0,1fr) 20px;align-items:center;gap:16px;min-height:86px;padding:16px 0;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none}
.library-start>a>span:first-child{font-family:"Songti SC",serif;font-size:29px;white-space:nowrap;color:var(--accent)}
.library-start>a>span:nth-child(2){font-size:15px;line-height:1.5}
.library-start>a:hover>span:nth-child(2){text-decoration:underline;text-underline-offset:5px}

/* Contents, search and shared article cards */
.library-toolbar{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:30px;padding:26px 0;border-block:1px solid var(--ink)}
.field-label{display:block;margin-bottom:10px;color:var(--muted);font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase}
.library-toolbar input,.library-toolbar select{width:100%;min-height:52px;padding:12px 15px;border:1px solid var(--line);border-radius:0;background:transparent;color:var(--ink);font-size:16px}
.library-toolbar input::placeholder{color:var(--muted);opacity:1}
.library-toolbar :disabled{opacity:.65}
.filter-status{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:15px 0 12px}
.filter-status p{margin:0;color:var(--muted);font-size:12px}
.filter-status button{min-height:44px;padding:10px 0 10px 15px;border:0;background:none;color:var(--ink);font-size:12px;text-decoration:underline;text-underline-offset:4px;cursor:pointer}
.lesson-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:35px;margin:0 0 70px}
.lesson-card{display:flex;flex-direction:column;min-width:0;padding:26px 0 23px;border-top:1px solid var(--ink);color:var(--ink);text-decoration:none;background:transparent}
.lesson-card-top{display:flex;justify-content:space-between;align-items:baseline;gap:15px}
.lesson-card-top .hanzi{font-family:"Songti SC","Noto Serif CJK SC",serif;font-size:48px;line-height:1.4;overflow-wrap:anywhere}
.lesson-card .card-index{color:var(--accent);font-family:var(--serif,Georgia,serif);font-size:17px;font-style:italic;font-variant-numeric:tabular-nums}
.lesson-card :is(h2,h3){margin:23px 0 12px;font-family:var(--display,Georgia,serif);font-size:30px;font-weight:400;line-height:1.17;letter-spacing:-.025em}
.lesson-card p{max-width:43ch;margin:0;color:var(--muted);font-size:15px;line-height:1.75}
.lesson-card-foot{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:26px;color:var(--muted);font-size:10px;line-height:1.6;letter-spacing:.05em;text-transform:uppercase}
.lesson-card-foot .arrow{margin-left:auto;color:var(--ink);font-size:22px;line-height:1}
.lesson-card:hover :is(h2,h3),.reading-card:hover :is(h2,h3){text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:1px;text-underline-offset:5px}
.lesson-card:hover .hanzi{color:var(--accent)}
[data-lesson-library]{display:block;margin-bottom:40px;border-bottom:1px solid var(--line)}
[data-lesson-library] .lesson-card{display:grid;grid-template-columns:100px minmax(0,1.2fr) minmax(0,1.4fr) 145px;align-items:center;gap:28px;padding:28px 0;border-top:1px solid var(--line)}
[data-lesson-library] .lesson-card-top{flex-direction:column-reverse;align-items:flex-start;gap:9px}
[data-lesson-library] .hanzi{font-size:32px;line-height:1.35}
[data-lesson-library] .card-index{font-size:12px;font-style:normal}
[data-lesson-library] .lesson-card h2{margin:0;font-size:27px}
[data-lesson-library] .lesson-card p{font-size:14px;line-height:1.75}
[data-lesson-library] .lesson-card-foot{margin:0;padding:0;justify-content:flex-start}
[data-lesson-library] .lesson-card-foot>span:first-child{flex-basis:100%;color:var(--ink)}
[data-lesson-library] .lesson-card-foot>span[aria-hidden]:not(.arrow){display:none}
.empty-state{max-width:620px;padding:60px 0 70px}
.empty-state h2{margin:0 0 16px;font-size:38px}
.empty-state p{margin-bottom:25px}

/* Lesson opening: title, annotated sentence, then the rule */
.lesson-hero{display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:clamp(40px,6vw,90px);padding:64px 0 70px}
.lesson-hero>*{min-width:0}
.lesson-hero h1{margin:23px 0 25px;max-width:16ch;font-family:var(--display,Georgia,serif);font-size:clamp(48px,5.8vw,86px);font-weight:400;letter-spacing:-.04em;line-height:1.05}
.lesson-hero .intro{max-width:52ch;font-size:17px;line-height:1.8}
.lesson-meta{display:flex;align-items:center;flex-wrap:wrap;gap:12px;color:var(--muted);font-size:11px;line-height:1.7}
.lesson-entry{display:flex;flex-wrap:wrap;gap:8px 28px;margin-top:24px}
.lesson-entry a{display:inline-flex;align-items:center;min-height:44px;color:var(--ink);font-size:13px;text-decoration-thickness:1px;text-underline-offset:5px}
.lesson-seal{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:260px;padding:35px 30px;border-left:1px solid var(--line)}
.lesson-seal>span:not(.eyebrow){font-family:"Songti SC",serif;font-size:clamp(70px,8vw,125px);line-height:1.3;color:var(--ink)}
.lesson-seal>small{margin-top:20px;font-family:var(--serif,Georgia,serif);font-size:22px;font-style:italic;color:var(--accent)}
.lesson-preview{align-items:flex-start;padding:32px 0 32px 36px}
.lesson-preview>.eyebrow{margin:0 0 25px}
.lesson-preview .preview-zh{margin:0 0 15px;font-family:"Songti SC","Noto Serif CJK SC",serif;font-size:clamp(29px,2.8vw,39px);line-height:1.7;color:var(--ink)}
.lesson-preview .preview-pinyin{margin:0 0 13px;font-family:var(--serif,Georgia,serif);font-size:18px;font-style:italic;line-height:1.6;color:var(--muted)}
.lesson-preview .preview-meaning{margin:0;font-size:14px;line-height:1.75;color:var(--ink)}
.grammar-focus{background:transparent;color:inherit;text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:2px;text-underline-offset:.2em}
.pattern-section{display:grid;grid-template-columns:185px minmax(0,1fr);align-items:start;gap:35px;padding:31px 0 36px;margin-bottom:65px;border-block:1px solid var(--ink)}
.pattern-section>.eyebrow{margin:9px 0 0}
.pattern-parts{display:flex;flex-wrap:wrap;align-items:baseline;gap:15px 25px;min-width:0}
.pattern-parts:not(:has(.pattern-plus)){display:grid;grid-template-columns:1fr;gap:22px}
.pattern-part{min-width:0}
.pattern-part span{display:block;font-family:var(--serif,Georgia,serif);font-size:clamp(24px,2.4vw,32px);line-height:1.45;overflow-wrap:anywhere}
.pattern-part small{display:block;max-width:50ch;margin-top:8px;color:var(--muted);font-size:12px;line-height:1.6}
.pattern-plus{color:var(--accent);font-family:var(--serif,Georgia,serif);font-size:25px}

/* Reading column and margin navigation */
.lesson-layout{display:grid;grid-template-columns:185px minmax(0,740px);align-items:start;gap:clamp(40px,6.5vw,105px);margin:0 auto 70px}
.lesson-sidebar{position:sticky;top:115px;min-width:0}
.lesson-sidebar h2{margin:0 0 16px;font-family:var(--sans,sans-serif);font-size:11px;font-weight:600;line-height:1.5;letter-spacing:.09em;text-transform:uppercase}
.lesson-sidebar nav{display:flex;flex-direction:column;padding:0 0 15px;border-top:1px solid var(--line)}
.lesson-sidebar nav a{display:block;min-height:44px;padding:12px 0;border-bottom:1px solid var(--line);font-size:12px;line-height:1.6;color:var(--muted);text-decoration:none}
.lesson-sidebar nav a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:4px}
.sidebar-note{margin-top:28px;padding-top:21px;border-top:1px solid var(--accent)}
.sidebar-note p{margin:12px 0;font-size:12px;line-height:1.8;color:var(--muted)}
.sidebar-note .eyebrow{font-size:10px;color:var(--ink)}
.sidebar-note a{display:inline-flex;align-items:center;min-height:44px;color:var(--ink);font-size:12px;line-height:1.6;text-underline-offset:4px}
.lesson-body{min-width:0}
.lesson-body>section{margin-bottom:64px}
.lesson-body h2{margin:0 0 24px;font-family:var(--display,Georgia,serif);font-size:clamp(32px,3.5vw,45px);font-weight:400;line-height:1.17;letter-spacing:-.025em}
.lesson-body h3{font-family:var(--display,Georgia,serif);font-size:28px;line-height:1.25;font-weight:400}
.lesson-body p{margin:17px 0;font-size:17px;line-height:1.85}
.lesson-body>section>p{max-width:67ch}
.section-number{display:block;margin-bottom:14px;color:var(--muted);font-family:var(--sans,sans-serif);font-size:10px;font-weight:500;line-height:1.5;letter-spacing:.12em}
.reading-controls{display:flex;align-items:center;flex-wrap:wrap;gap:9px;margin:0 0 42px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.reading-controls:not(:has(button:not([hidden]))){display:none}
.reading-controls>span{margin-right:4px;color:var(--muted);font-size:12px}
.reading-controls button{min-height:44px;padding:9px 14px;border:1px solid var(--line);border-radius:0;background:transparent;color:var(--ink);font-size:12px;cursor:pointer}
.reading-controls button[aria-pressed=true]{border-color:var(--ink);background:var(--ink);color:var(--paper)}
.reading-controls button[aria-pressed=true]::before{content:'✓ '}
.lesson-body .pattern-legend{margin:0 0 25px;color:var(--muted);font-size:13px;line-height:1.7}
.example{padding:27px 0 29px;border-top:1px solid var(--line)}
.example:last-child{border-bottom:1px solid var(--line)}
.example .zh{margin:0 0 10px;color:var(--ink);font-family:"Songti SC","Noto Serif CJK SC",serif;font-size:clamp(28px,3vw,35px);line-height:1.75}
.example .pinyin{margin:0 0 9px;color:var(--muted);font-family:var(--serif,Georgia,serif);font-size:18px;font-style:italic;line-height:1.7}
.example .translation{margin:8px 0 0;color:var(--ink);font-size:16px;line-height:1.75}
.example .example-note{margin:13px 0 0;color:var(--muted);font-size:13px;line-height:1.75}
.meaning-toggle{min-height:44px;padding:8px 0;border:0;border-radius:0;background:none;color:var(--ink);font-size:12px;line-height:1.5;text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:5px;cursor:pointer}
.meaning-toggle:hover{text-decoration-color:var(--ink)}
.reading-story{padding:8px 0 0;counter-reset:reading-sentence}
.reading-story .example{position:relative;padding-left:42px;counter-increment:reading-sentence}
.reading-story .example::before{content:counter(reading-sentence,decimal-leading-zero);position:absolute;top:35px;left:0;color:var(--accent);font-family:var(--serif,Georgia,serif);font-size:12px;font-variant-numeric:tabular-nums}
.reading-story .zh{font-size:clamp(29px,3.1vw,37px);line-height:1.85}
.pitfall{padding:10px 0 12px 27px;border-left:2px solid var(--accent)}
.pitfall .wrong,.pitfall .right{display:grid;grid-template-columns:50px minmax(0,1fr);align-items:baseline;gap:15px;margin:12px 0;color:var(--ink);font-family:"Songti SC",serif;font-size:27px;line-height:1.7}
.pitfall .wrong>span:first-child,.pitfall .right>span:first-child{font-family:var(--sans,sans-serif);font-size:10px;font-weight:500;line-height:1.6;letter-spacing:.06em;text-transform:uppercase}
.pitfall .wrong>span:first-child{color:var(--accent)}
.pitfall s{text-decoration-color:var(--accent);text-decoration-thickness:1px}
.pitfall>p:last-child{margin-bottom:0;color:var(--muted);font-size:15px}

/* Practice is a focused ink surface, with explicit selected and focus states. */
.quiz{padding:clamp(24px,4vw,42px);background:var(--ink);color:var(--paper)}
.quiz fieldset{min-width:0;margin:0;padding:0;border:0}
.quiz legend{width:100%;margin:0 0 16px;padding:0;font-family:"Songti SC","Noto Serif CJK SC",serif;font-size:clamp(25px,3vw,33px);line-height:1.6;color:var(--paper)}
.quiz .quiz-translation{margin:0 0 25px;color:#d2d6cb;font-size:14px;line-height:1.7}
.quiz-options{display:grid;gap:11px}
.quiz label{display:flex;align-items:center;gap:15px;min-height:56px;padding:13px 16px;border:1px solid #65716a;color:var(--paper);font-size:19px;line-height:1.5;cursor:pointer}
.quiz label:has(input:checked){background:var(--paper);border-color:var(--paper);color:var(--ink)}
.quiz label:focus-within{outline:2px solid var(--paper);outline-offset:4px}
.quiz input{width:18px;height:18px;flex:0 0 18px;margin:0;accent-color:var(--accent)}
.quiz label span{overflow-wrap:anywhere}
.quiz-actions,.quiz-next{display:flex;align-items:center;flex-wrap:wrap;gap:14px 20px;margin-top:25px}
.quiz .paper-link{max-width:100%;border-color:#78837b;color:var(--paper);text-align:left}
.quiz .paper-link.dark{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.quiz .paper-link:hover{background:#d8ddd0;border-color:#d8ddd0;color:var(--ink)}
.quiz .paper-link:focus-visible,.quiz-reset:focus-visible{outline:2px solid var(--paper);outline-offset:4px}
.quiz-reset{min-height:44px;padding:9px 0;border:0;background:none;color:var(--paper);font-size:13px;text-decoration:underline;text-underline-offset:5px;cursor:pointer}
.quiz-feedback{margin-top:25px;padding-top:23px;border-top:1px solid #65716a;font-size:15px;line-height:1.8}
.quiz noscript p{color:var(--paper);font-size:15px}
.vocab-table{width:100%;margin:20px 0;border-collapse:collapse;table-layout:fixed}
.vocab-table th,.vocab-table td{padding:15px 14px 15px 0;border-bottom:1px solid var(--line);text-align:left;vertical-align:baseline;overflow-wrap:anywhere}
.vocab-table th{color:var(--muted);font-size:10px;font-weight:600;line-height:1.6;letter-spacing:.09em;text-transform:uppercase}
.vocab-table th:first-child{width:23%}
.vocab-table th:nth-child(2){width:31%}
.vocab-table td{color:var(--ink);font-size:14px;line-height:1.7}
.vocab-table td:first-child{font-family:"Songti SC",serif;font-size:25px}
.vocab-table td:nth-child(2){font-family:var(--serif,Georgia,serif);font-size:17px;font-style:italic;color:var(--muted)}
.vocab-table a{display:inline-flex;align-items:center;min-height:44px;color:var(--ink);text-decoration-thickness:1px;text-decoration-color:var(--line);text-underline-offset:6px}
.vocab-table a:hover{text-decoration-color:var(--accent)}
.lesson-downloads{display:flex;flex-wrap:wrap;gap:13px;margin:25px 0}
.editorial-note{color:var(--muted);font-size:12px!important;line-height:1.75!important}
.lesson-body details{margin-top:24px;padding:21px 0;border-top:1px solid var(--line)}
.lesson-body summary{color:var(--ink);font-size:14px;line-height:1.6;cursor:pointer}
.lesson-body details p{font-size:14px;line-height:1.8}

/* Paths and reading selections */
.path-grid{counter-reset:learning-path;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:38px;margin:15px 0 90px}
.path-card{position:relative;min-width:0;padding:30px 0 0;border-top:1px solid var(--ink);counter-increment:learning-path}
.path-card::before{content:counter(learning-path,decimal-leading-zero);position:absolute;top:32px;right:0;color:var(--muted);font-family:var(--serif,Georgia,serif);font-size:16px;font-style:italic}
.path-glyph{color:var(--accent);font-family:"Songti SC",serif;font-size:62px;line-height:1.2}
.path-card h2{max-width:14ch;margin:23px 0 18px;font-family:var(--display,Georgia,serif);font-size:37px;font-weight:400;line-height:1.1;letter-spacing:-.025em}
.path-card p{max-width:35ch;font-size:15px;line-height:1.8}
.path-card ol{margin:26px 0 0;padding-left:26px;list-style-type:decimal-leading-zero}
.path-card li{padding-left:5px;border-bottom:1px solid var(--line)}
.path-card li::marker{color:var(--muted);font-size:11px;font-variant-numeric:tabular-nums}
.path-card li a{display:block;min-height:44px;padding:12px 0;color:var(--ink);font-size:14px;line-height:1.6;text-decoration:none}
.path-card li a:hover{text-decoration:underline;text-underline-offset:4px}
.section-intro{display:flex;justify-content:space-between;align-items:end;gap:30px;margin:0 0 36px}
.wide-title{margin:0;font-family:var(--display,Georgia,serif);font-size:clamp(40px,5vw,65px);font-weight:400;line-height:1.05;letter-spacing:-.035em}
.reading-card{display:flex;flex-direction:column;min-width:0;gap:19px;padding:27px 0;border-top:1px solid var(--ink);background:transparent;color:var(--ink);text-decoration:none}
.reading-card .eyebrow{font-size:10px}
.reading-excerpt{display:block;color:var(--ink);font-family:"Songti SC","Noto Serif CJK SC",serif;font-size:29px;line-height:1.75}
.reading-card :is(h2,h3){margin:0;font-family:var(--display,Georgia,serif);font-size:30px;font-weight:400;line-height:1.18;letter-spacing:-.025em}
.reading-card p{margin:0;font-size:15px;line-height:1.75;color:var(--muted)}
.reading-card .text-link{margin-top:auto;padding-top:8px;font-size:13px}
.related-lessons{padding:45px 0 70px;border-top:1px solid var(--ink)}
.related-lessons>h2{margin:0 0 35px;font-family:var(--display,Georgia,serif);font-size:44px;font-weight:400;line-height:1.15;letter-spacing:-.025em}
.related-lessons .lesson-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:55px;margin:0}
.related-lessons .lesson-card,.related-lessons .reading-card{border-top-color:var(--line)}

/* Real app images and the hand-off from reading to vocabulary practice */
.product-hero{grid-template-columns:1.2fr .8fr;padding-block:45px 65px}
.product-hero h1{font-size:clamp(58px,6vw,84px)}
.product-hero-screen{width:min(100%,248px);margin:0 auto}
.product-hero-screen img{display:block;width:100%;height:auto;border-radius:18px}
.product-hero-screen figcaption{margin-top:18px;color:var(--muted);font-size:12px;line-height:1.6;text-align:center}
.product-sections{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:clamp(40px,8vw,115px);padding:75px 0;border-top:1px solid var(--line)}
.product-sections>*{min-width:0}
.product-sections:nth-child(even) figure{order:2}
.product-sections h2{max-width:17ch;margin:20px 0 25px;font-family:var(--display,Georgia,serif);font-size:clamp(39px,4.7vw,65px);font-weight:400;line-height:1.05;letter-spacing:-.035em}
.product-sections p:not(.eyebrow){max-width:51ch;margin:18px 0 26px;font-size:16px;line-height:1.85}
.product-sections figure{margin:0;padding:0}
.product-sections figure img{display:block;width:auto;height:auto;max-width:100%;max-height:620px;margin:auto;border-radius:12px}
.product-sections figcaption{max-width:45ch;margin:22px auto 0;color:var(--muted);font-size:12px;line-height:1.7;text-align:center}
.product-terms{padding:47px 0 30px;margin:40px 0 65px;border-top:1px solid var(--ink)}
.product-terms h2{max-width:23ch;margin:20px 0 30px;font-family:var(--display,Georgia,serif);font-size:clamp(37px,4.5vw,58px);font-weight:400;line-height:1.1;letter-spacing:-.03em}
.product-terms p:not(.eyebrow){max-width:72ch;margin:18px 0;font-size:16px;line-height:1.85}
.product-terms dl{display:grid;grid-template-columns:1fr 1fr;gap:55px;margin:35px 0}
.product-terms dl>div{border-top:1px solid var(--line);padding-top:25px}
.product-terms dt{margin-bottom:16px;font-family:var(--serif,Georgia,serif);font-size:27px;line-height:1.3}
.product-terms dd{margin:0;max-width:52ch;color:var(--muted);font-size:15px;line-height:1.85}
.app-bridge{display:grid;grid-template-columns:minmax(0,1fr) 220px;align-items:center;gap:65px;margin:60px 0 75px;padding:47px 0;border-top:1px solid var(--ink);border-bottom:1px solid var(--line)}
.app-bridge h2{margin:19px 0 23px;font-family:var(--display,Georgia,serif);font-size:clamp(37px,4.3vw,57px);font-weight:400;line-height:1.08;letter-spacing:-.03em}
.app-bridge p{max-width:61ch;margin:14px 0;color:var(--muted);font-size:15px;line-height:1.8}
.app-bridge .eyebrow{color:var(--accent);font-size:11px;line-height:1.5}
.bridge-aside{display:flex;align-items:flex-start;flex-direction:column;min-width:0}
.bridge-aside .official-app-store-badge{margin:0 0 18px}
.bridge-aside .paper-link{margin:0 0 8px}
.bridge-aside p{max-width:29ch;font-size:12px;line-height:1.75}

/* Guides, project notes and policies */
.guide,.policy{width:min(1160px,calc(100% - 96px));max-width:none;margin:0 auto;padding:70px 0 90px}
.guide>h1,.policy>h1{max-width:19ch;margin:24px 0 32px;font-family:var(--display,Georgia,serif);font-size:clamp(48px,6vw,84px);font-weight:400;line-height:1.05;letter-spacing:-.04em}
.guide>p,.guide>ul,.guide>ol,.policy>p,.policy>ul,.policy>ol{max-width:71ch}
.guide p,.guide li,.policy p,.policy li{font-size:17px;line-height:1.85}
.guide p,.policy p{margin:18px 0}
.guide :is(ul,ol),.policy :is(ul,ol){padding-left:24px}
.guide li+li,.policy li+li{margin-top:10px}
.guide h2,.policy h2{max-width:28ch;margin:40px 0 22px;font-family:var(--display,Georgia,serif);font-size:clamp(32px,3.4vw,43px);font-weight:400;line-height:1.16;letter-spacing:-.025em}
.guide h3,.policy h3{margin:24px 0 15px;font-family:var(--serif,Georgia,serif);font-size:27px;font-weight:400;line-height:1.3}
.guide .intro{max-width:65ch;font-family:var(--serif,Georgia,serif);font-size:24px;line-height:1.6}
.guide .panel{margin-top:45px;padding:38px 0 0;border:0;border-top:1px solid var(--line);border-radius:0;background:transparent}
.guide .panel>:is(p,ol,ul){max-width:72ch}
.guide .panel>h2:first-child{margin-top:0}
.guide-hero{display:grid;grid-template-columns:minmax(0,1fr) 280px;align-items:center;gap:75px;margin-bottom:60px}
.guide-hero h1{margin:20px 0 30px;font-family:var(--display,Georgia,serif);font-size:clamp(44px,5.8vw,80px);font-weight:400;line-height:1.07;letter-spacing:-.04em}
.guide figure{margin:0}
.guide figure img{display:block;width:100%;height:auto;border-radius:12px}
.guide figcaption{margin-top:18px;color:var(--muted);font-size:12px;line-height:1.7}
.guide video{display:block;width:100%;max-width:340px;height:auto;margin:35px auto;background:var(--ink);border-radius:12px}
.guide .chinese{max-width:40ch;color:var(--ink);font-family:"Songti SC",serif;font-size:30px;line-height:1.9}
.guide .small,.guide .terms{max-width:77ch;color:var(--muted);font-size:13px;line-height:1.8}
.guide .resource-links{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin:27px 0}
.guide .resource-links a:not(.official-app-store-badge),.guide .resource-links button{display:inline-flex;align-items:center;min-height:44px}
.guide button:not(.official-app-store-badge){min-height:44px;padding:11px 17px;border:1px solid var(--line);border-radius:0;background:transparent;color:var(--ink);font-size:14px;cursor:pointer}
.guide details{padding:22px 0;border-top:1px solid var(--line)}
.guide summary{color:var(--ink);font-size:16px;line-height:1.6;cursor:pointer}
.guide .related{margin-top:45px;padding-top:25px;border-top:1px solid var(--line);font-size:14px}
.guide .status{min-height:1.6em;color:var(--muted)}
.guide .word-example{padding:25px 0 25px 30px;border-left:2px solid var(--accent)}
.guide .word-example .word{color:var(--ink);font-family:"Songti SC",serif;font-size:64px;line-height:1.3}
.guide .word-example .pronunciation{margin:12px 0;color:var(--muted);font-family:var(--serif,Georgia,serif);font-size:21px;font-style:italic}
.guide .word-example .sentence{font-size:29px;line-height:1.8}
.guide .free-pro{display:grid;grid-template-columns:1fr 1fr;gap:45px}
.locale-switch{display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin-bottom:38px;font-size:12px}
.locale-switch a{display:inline-flex;align-items:center;min-height:44px;color:var(--muted);text-decoration:none}
.locale-switch a[aria-current]{color:var(--ink);text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:5px}
.release-note,.download-state{max-width:850px;margin:32px 0;padding:8px 0 8px 25px;border-left:2px solid var(--accent)}
.release-note p,.download-state p{font-size:15px;line-height:1.8}
.release-note p:last-child{margin-bottom:0}
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px 55px;margin-top:30px}
.feature-grid article{padding-top:8px;border-top:1px solid var(--line)}
.feature-grid article h3{margin-top:20px}
.feature-grid article p{font-size:15px}
.project-media{display:grid;grid-template-columns:.55fr 1fr;align-items:start;gap:40px;margin:35px 0}
.compact-screen{width:min(100%,260px);margin:30px auto!important}
.metric-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px;margin:35px 0}
.metric-grid>div{min-width:0;padding:23px 0;border-top:1px solid var(--line)}
.metric-grid dt{color:var(--muted);font-size:12px;line-height:1.6}
.metric-grid dd{margin:12px 0;color:var(--ink);font-family:var(--serif,Georgia,serif);font-size:44px;line-height:1.1;letter-spacing:-.025em;overflow-wrap:anywhere}
.metric-grid p{font-size:12px}
.review-stages{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin:30px 0;padding:0!important;list-style:none}
.review-stages li{padding:22px 0;border-top:1px solid var(--line)}
.review-stages p{font-size:14px}
.review-coverage{margin-top:30px;padding-top:22px;border-top:1px solid var(--line)}
.review-coverage progress{width:100%;height:10px;margin:20px 0 10px;accent-color:var(--ink)}
.roadmap-list{margin:48px 0;padding:0!important;list-style:none}
.roadmap-item{position:relative;margin:0!important;padding:30px 0 35px 30px;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.roadmap-item::before{position:absolute;top:39px;left:-4px;width:7px;height:7px;border-radius:50%;background:var(--ink);content:''}
.roadmap-meta{display:flex;align-items:center;flex-wrap:wrap;gap:12px;color:var(--muted);font-size:12px;line-height:1.6}
.roadmap-item h2{margin:19px 0;font-size:33px}
.roadmap-item p{max-width:70ch;font-size:15px}
.status-chip{display:inline-flex;align-items:center;padding:3px 8px;border:1px solid var(--line);color:var(--ink);font-size:10px;line-height:1.6;letter-spacing:.04em;text-transform:uppercase}
.status-chip--active{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.policy{width:min(840px,calc(100% - 96px))}
.policy h2{max-width:none;margin-top:45px;padding-top:30px;border-top:1px solid var(--line)}
.policy__updated{color:var(--muted);font-size:12px!important}
.policy a:not(.official-app-store-badge),.guide a:not(.official-app-store-badge):not(.paper-link):not(.button){text-underline-offset:4px}
.shared-list{max-width:760px;min-height:55vh}
.shared-list .app-icon{width:64px;height:64px;margin-bottom:30px;border-radius:14px}
.site-wide-callout{margin:70px 0 0;padding:35px 0 0;border-top:1px solid var(--ink)}
.site-wide-callout h2{max-width:24ch;margin:0 0 22px;font-size:43px}
.site-wide-callout p{max-width:65ch;margin-bottom:25px}

/* Responsive compositions */
@media(max-width:1100px){
  [data-lesson-library] .lesson-card{grid-template-columns:80px minmax(0,1fr) minmax(0,1.2fr);gap:25px}
  [data-lesson-library] .lesson-card-foot{grid-column:2/-1;margin-top:-8px;gap:12px}
  [data-lesson-library] .lesson-card-foot>span:first-child{flex-basis:auto}
  .lesson-layout,.pattern-section{grid-template-columns:160px minmax(0,1fr);gap:45px}
  .guide-hero{grid-template-columns:minmax(0,1fr) 235px;gap:45px}
  .lesson-grid{gap:27px}.path-grid{gap:28px}.path-card h2{font-size:32px}
}
@media(max-width:980px){
  .index-hero,.lesson-hero{gap:40px;padding:55px 0 60px}
  .path-hero{grid-template-columns:1fr;gap:35px}
  .path-hero>.sentence-lab{width:100%;max-width:720px}
  .library-hero{grid-template-columns:1fr}
  .library-start{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
  .library-start>.eyebrow{grid-column:1/-1;margin:0}
  .library-start>a{grid-template-columns:minmax(0,1fr) 18px;align-items:start;gap:12px}
  .library-start>a>span:first-child{grid-column:1/-1}
  .lesson-layout{grid-template-columns:minmax(0,740px);justify-content:center;gap:35px}
  .lesson-sidebar{position:static}
  .lesson-sidebar nav{flex-direction:row;flex-wrap:wrap;gap:0 24px;padding-bottom:0;border-bottom:1px solid var(--line)}
  .lesson-sidebar nav a{border-bottom:0}
  .sidebar-note{display:none}
  .pattern-section{grid-template-columns:1fr;gap:22px;margin-bottom:40px}
  .pattern-section>.eyebrow{margin:0}
  .reading-controls{margin-bottom:36px}
  .guide,.policy{padding-top:55px}
  .product-sections{gap:45px;padding:55px 0}
}
@media(max-width:760px){
  .index-hero,.lesson-hero,.product-hero{grid-template-columns:1fr;gap:35px;padding:45px 0 50px}
  .index-hero h1{font-size:clamp(49px,10vw,76px);max-width:18ch}
  .index-hero>div>p:not(.eyebrow):not(.editorial-note){font-size:16px}
  .index-art{min-height:210px;padding:12px 35px 50px;border-left:0;border-bottom:1px solid var(--line)}
  .index-art .big-hanzi{font-size:135px}
  .index-art .art-note{bottom:12px;left:0;font-size:16px}
  .index-art .stamp{top:0;right:10px}
  .library-start{gap:20px}
  .library-start>a>span:nth-child(2){font-size:13px}
  .library-toolbar{grid-template-columns:minmax(0,1fr) 180px;gap:18px}
  [data-lesson-library] .lesson-card{grid-template-columns:62px minmax(0,1fr);gap:12px 22px;align-items:start;padding:25px 0}
  [data-lesson-library] .lesson-card-top{grid-row:1/4}
  [data-lesson-library] .lesson-card h2{font-size:27px}
  [data-lesson-library] .lesson-card p{grid-column:2;font-size:14px}
  [data-lesson-library] .lesson-card-foot{grid-column:2;margin:3px 0 0;font-size:9px}
  .lesson-grid,.path-grid{grid-template-columns:1fr;gap:30px}
  .lesson-card{padding-top:23px}.lesson-card :is(h2,h3){margin-top:18px}
  .lesson-card-foot{padding-top:19px}.lesson-card p{max-width:60ch}
  .lesson-hero h1{font-size:clamp(44px,8.5vw,66px);max-width:20ch}
  .lesson-seal{min-height:0;align-items:flex-start;padding:22px 0;border-left:0;border-block:1px solid var(--line)}
  .lesson-seal>span:not(.eyebrow){font-size:80px}
  .lesson-preview .preview-zh{font-size:31px}.lesson-preview>.eyebrow{margin-bottom:15px}
  .lesson-preview .preview-pinyin{font-size:17px}
  .lesson-body h2{font-size:36px}.lesson-body p{font-size:16px}.lesson-body>section{margin-bottom:50px}
  .example .zh{font-size:29px}.example .pinyin{font-size:17px}.example .translation{font-size:15px}
  .example .example-note,.lesson-body .pattern-legend{font-size:13px}
  .path-grid{margin-bottom:70px}
  .path-card{display:grid;grid-template-columns:62px minmax(0,1fr);column-gap:24px}
  .path-glyph{grid-row:1/4;font-size:48px}
  .path-card h2{max-width:none;margin:0 35px 12px 0;font-size:33px}
  .path-card p{max-width:55ch;margin:0}.path-card ol{grid-column:2;margin-top:18px}
  .section-intro{align-items:flex-start;flex-direction:column;gap:24px}
  .reading-card{gap:15px}.reading-excerpt{font-size:30px}.reading-card p{max-width:60ch}
  .related-lessons{padding-top:35px;padding-bottom:45px}
  .related-lessons>h2{font-size:37px}.related-lessons .lesson-grid{grid-template-columns:1fr;gap:24px}
  .product-hero-screen{width:min(65%,260px)}
  .product-sections{grid-template-columns:1fr;gap:35px}.product-sections:nth-child(even) figure{order:0}
  .product-sections figure img{max-height:500px}.product-sections h2{font-size:48px}
  .product-terms dl{gap:30px}
  .app-bridge{grid-template-columns:1fr;gap:30px;margin-block:45px 60px;padding-block:35px}
  .app-bridge h2{font-size:43px}
  .bridge-aside{display:grid;grid-template-columns:auto auto;justify-content:start;align-items:start;gap:10px 20px}
  .bridge-aside p{grid-column:1/-1;max-width:50ch;margin:0}
  .bridge-aside .official-app-store-badge,.bridge-aside .paper-link{margin:0}
  .guide,.policy{width:calc(100% - 48px);padding:45px 0 65px}
  .guide-hero{grid-template-columns:1fr;gap:35px;margin-bottom:45px}.guide-hero figure{width:min(65%,260px);margin:auto}
  .guide-hero h1,.guide>h1,.policy>h1{font-size:clamp(45px,8vw,64px)}
  .guide .intro{font-size:22px}
  .guide p,.guide li,.policy p,.policy li{font-size:16px}
  .guide h2,.policy h2{font-size:35px}.guide .chinese{font-size:28px}
  .feature-grid,.guide .free-pro{gap:25px}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.metric-grid dd{font-size:37px}
  .site-wide-callout h2{font-size:37px}
}
@media(max-width:480px){
  .breadcrumb{padding-top:24px;font-size:11px}.index-hero,.lesson-hero{padding-top:35px}
  .index-hero h1{font-size:52px}
  .library-start{grid-template-columns:1fr;gap:0}.library-start>.eyebrow{margin-bottom:10px}
  .library-start>a{grid-template-columns:94px minmax(0,1fr) 18px;align-items:center;gap:16px;min-height:72px}
  .library-start>a>span:first-child{grid-column:auto;font-size:26px}.library-start>a>span:nth-child(2){font-size:14px}
  .library-toolbar{grid-template-columns:1fr;gap:19px;padding:22px 0}
  [data-lesson-library] .lesson-card{gap:12px 18px}
  [data-lesson-library] .hanzi{font-size:28px}[data-lesson-library] .lesson-card h2{font-size:25px}
  .lesson-hero h1{font-size:46px}.lesson-entry{gap:6px 23px}.lesson-meta{gap:9px;font-size:10px}
  .lesson-body h2{font-size:33px}.reading-controls{gap:8px}.reading-controls>span{flex-basis:100%}
  .reading-controls button{padding-inline:12px}
  .pattern-parts{gap:13px 17px}.pattern-part span{font-size:25px}
  .reading-story .example{padding-left:27px}.reading-story .example::before{font-size:10px;top:34px}
  .reading-story .zh{font-size:28px}
  .pitfall{padding-left:17px}.pitfall .wrong,.pitfall .right{grid-template-columns:39px minmax(0,1fr);gap:10px;font-size:24px}
  .quiz{padding:24px 20px}.quiz legend{font-size:25px}.quiz label{padding:12px;gap:12px;font-size:18px}
  .quiz-next{align-items:stretch;flex-direction:column}.quiz-next .paper-link{justify-content:space-between;font-size:12px}
  .vocab-table th,.vocab-table td{padding-right:9px}.vocab-table th{font-size:9px}
  .vocab-table td{font-size:13px}.vocab-table td:first-child{font-size:23px}.vocab-table td:nth-child(2){font-size:15px}
  .path-card{grid-template-columns:43px minmax(0,1fr);column-gap:18px}
  .path-glyph{font-size:39px}.path-card h2{font-size:30px}.path-card p{font-size:14px}
  .app-bridge h2{font-size:38px}.bridge-aside{display:flex;gap:17px}
  .product-sections h2{font-size:42px}.product-terms dl{grid-template-columns:1fr;gap:28px}.product-terms h2{font-size:37px}
  .guide,.policy{width:calc(100% - 40px)}.guide-hero h1,.guide>h1,.policy>h1{font-size:46px}
  .guide .intro{font-size:21px}.guide h2,.policy h2{font-size:33px}.guide h3,.policy h3{font-size:26px}
  .feature-grid,.guide .free-pro,.review-stages,.project-media{grid-template-columns:1fr}
  .project-media figure:first-child{max-width:260px;margin:auto}
  .roadmap-item{padding-left:22px}.roadmap-item h2{font-size:29px}.roadmap-meta{font-size:11px;gap:10px}
}
@media print{
  .lesson-hero,.index-hero{padding-block:25px}.lesson-layout{display:block}
  .lesson-sidebar,.reading-controls,.lesson-entry,.meaning-toggle,.quiz-actions,.quiz-next,.app-bridge,.lesson-downloads{display:none!important}
  .example .translation[hidden],.example .pinyin[hidden]{display:block!important}
  .lesson-preview{display:none}
  .quiz{border:1px solid #777;background:#fff;color:#000;break-inside:avoid}
  .quiz legend,.quiz label,.quiz .quiz-translation,.quiz-feedback{color:#000}
  .quiz label{border-color:#777}.example{break-inside:avoid}
}

/* Journey edition: character cells, facing pages and usable margin notes. */
.character-cells{display:flex;flex-wrap:wrap;gap:4px;font-family:var(--hanzi,"Songti SC",serif);line-height:1.1}
.character-cells>span{position:relative;display:grid;place-items:center;width:1.45em;aspect-ratio:1;border:1px solid var(--line);background:linear-gradient(90deg,transparent calc(50% - .5px),#1827220b 50%,transparent calc(50% + .5px)),linear-gradient(transparent calc(50% - .5px),#1827220b 50%,transparent calc(50% + .5px));font-weight:400}
.grammar-card{padding:27px 24px 23px;border:1px solid var(--line);background:#faf8f1}
.grammar-card .lesson-card-top{align-items:flex-start;gap:15px}
.grammar-card .character-cells{max-width:85%;font-size:30px;color:var(--accent)}
.grammar-card .card-copy{margin:23px 0}
.grammar-card .card-category{font:500 9px/1.6 var(--sans);letter-spacing:.11em;text-transform:uppercase;color:var(--muted)}
.grammar-card :is(h2,h3){margin:8px 0 14px;font-size:30px}
.grammar-card .card-summary{font-size:14px;line-height:1.75}
.card-example{display:flex;flex-direction:column;gap:9px;border-top:1px solid var(--line);padding-top:18px;margin-top:auto}
.card-example-zh{font:400 24px/1.75 var(--hanzi,"Songti SC",serif)}
.card-example>span:last-child{font:italic 16px/1.6 var(--serif);color:var(--muted)}
.grammar-focus{background:var(--highlight,#d9ee8b);color:var(--ink);text-decoration:none;box-decoration-break:clone;-webkit-box-decoration-break:clone;padding:.02em .06em}
.grammar-card .lesson-card-foot{margin:0;padding-top:22px}
.library-hero{grid-template-columns:1.05fr .95fr;align-items:center;padding-block:65px 55px;gap:7%}
.library-hero h1{max-width:13ch;font-size:clamp(54px,6.7vw,96px)}
.library-feature{position:relative;display:block;padding:32px 32px 30px;background:var(--ink);color:var(--paper);text-decoration:none}
.library-feature .feature-caption{display:flex;justify-content:space-between;gap:15px;border-bottom:1px solid #66746b;padding-bottom:18px;font:500 9px/1.6 var(--sans);letter-spacing:.09em}
.library-feature .feature-sentence{margin:32px 0 14px;font:400 clamp(35px,3.6vw,50px)/1.7 var(--hanzi,"Songti SC",serif)}
.library-feature .feature-pinyin{margin:0 0 16px;font:italic 19px/1.65 var(--serif);color:#d8dfd0}
.library-feature>p:not(.feature-sentence):not(.feature-pinyin){font-size:15px}
.library-feature .text-link{padding-top:16px;border-top:1px solid #66746b;display:flex;justify-content:space-between;font-size:13px}
.library-feature:hover .text-link{text-decoration:underline}
.level-chapters{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin:0 0 55px;border-block:1px solid var(--ink)}
.level-chapters>a{display:grid;grid-template-columns:32px minmax(0,1fr) 15px;gap:16px;align-items:start;padding:25px 22px;color:var(--ink);text-decoration:none;border-right:1px solid var(--line)}
.level-chapters>a:first-child{padding-left:0}.level-chapters>a:last-child{border-right:0}
.chapter-count{color:var(--accent);font:italic 21px/1.3 var(--serif)}
.level-chapters small{display:block;font-size:10px;line-height:1.5;letter-spacing:.04em;color:var(--muted)}
.level-chapters strong{display:block;margin:9px 0;font:400 26px/1.15 var(--display)}
.level-chapters strong+span{font-size:12px;line-height:1.7;color:var(--muted)}
.level-chapters a:hover strong{text-decoration:underline;text-underline-offset:4px}
.grammar-library[data-lesson-library]{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;border:0;margin:25px 0 35px}
.grammar-library .grammar-card{display:flex;gap:0;align-items:stretch;padding:28px 30px;border:1px solid var(--line)}
.grammar-library .lesson-card-top{display:flex;flex-direction:row;align-items:start}
.grammar-library .card-index{font:italic 16px/1.5 var(--serif)}
.grammar-library .grammar-card h2{margin:8px 0 14px;font-size:32px;max-width:24ch}
.grammar-library .grammar-card p{font-size:14px}
.grammar-library .grammar-card .card-category{font-size:9px}
.grammar-library .lesson-card-foot{display:flex;gap:10px;grid-column:auto;margin:0;padding-top:23px}
.grammar-library .lesson-card-foot>span:first-child{flex-basis:auto}
.grammar-library .lesson-card-foot>span[aria-hidden]:not(.arrow){display:inline}
.grammar-library .card-example-zh{font-size:28px}
.grammar-library .grammar-card:hover{border-color:var(--ink)}

/* The reading room has a contents strip and three actual story openings. */
.reading-index-hero{grid-template-columns:1.3fr .7fr;align-items:end;padding-bottom:45px}
.reading-index-note{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:0 25px;padding-left:30px;border-left:1px solid var(--accent)}
.reading-index-note>span{grid-row:1/3;font:400 100px/1.2 var(--hanzi);color:var(--accent)}
.reading-index-note p{margin:0;font:italic 19px/1.65 var(--serif)}
.reading-index-note .text-link{margin-top:12px;font-size:12px}
.reading-contents{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px;margin-bottom:45px;padding-block:24px;border-block:1px solid var(--line)}
.reading-contents a{display:grid;grid-template-columns:26px 1fr;align-content:start;gap:7px 12px;font:400 21px/1.25 var(--serif);text-decoration:none}
.reading-contents a>span{font:italic 17px/1.6 var(--serif);color:var(--accent)}
.reading-contents small{grid-column:2;color:var(--muted);font:400 10px/1.6 var(--sans)}
.reading-contents a:hover{text-decoration:underline}
.reading-spread{display:grid;grid-template-columns:100px minmax(0,1fr) minmax(0,1.05fr);gap:30px;padding:50px 35px;margin-bottom:30px;background:#e8eadd}
.reading-spread:nth-child(2){background:#eee3d6}.reading-spread:nth-child(3){background:#e2e8e0}
.spread-margin{display:flex;flex-direction:column;align-items:flex-start;gap:20px;padding-top:5px}
.spread-margin>.eyebrow{margin:0;font-size:9px}.spread-margin .character-cells{font-size:45px;color:var(--accent)}
.spread-margin>span[lang=zh-Latn]{font:italic 19px/1.5 var(--serif)}
.spread-story .eyebrow{font-size:10px;margin:0 0 18px}
.spread-story h2{max-width:17ch;margin:0 0 20px;font:400 clamp(35px,3.8vw,50px)/1.1 var(--display);letter-spacing:-.03em}
.spread-story h2 a{text-decoration:none}.spread-story h2 a:hover{text-decoration:underline}
.spread-story>p:not(.eyebrow):not(.spread-path){max-width:39ch;font-size:14px;line-height:1.8}
.spread-story .paper-link{margin-top:8px}
.spread-story .spread-path{margin:24px 0 0;font-size:10px;line-height:1.8;color:var(--muted)}
.spread-excerpt{min-width:0;margin:0 0 0 15px;padding:0 0 0 30px;border-left:1px solid #a6b3a0}
.spread-excerpt p[lang=zh-Hans]{margin:0 0 16px;font:400 clamp(26px,2.5vw,35px)/1.85 var(--hanzi)}
.spread-excerpt p[lang=zh-Latn]{font:italic 18px/1.7 var(--serif);color:var(--muted)}
.spread-excerpt .excerpt-translation{font-size:13px;line-height:1.8;margin-bottom:25px}
.spread-excerpt .excerpt-next{opacity:.8}.spread-excerpt footer{font:italic 13px/1.5 var(--serif);color:var(--muted)}
.reading-card{position:relative;gap:16px;padding:24px;background:transparent;border:1px solid var(--line)}
.reading-card-meta{display:flex;justify-content:space-between;align-items:start;gap:10px}.reading-card-meta .eyebrow{margin:0}
.reading-card-meta .character-cells{font-size:23px;color:var(--accent)}
.reading-card-translation{font:italic 17px/1.6 var(--serif);color:var(--muted)}
.reading-card .reading-excerpt{font-size:29px}.reading-card h3{margin-top:5px}.reading-card .text-link{font-size:11px;line-height:1.6}

/* Each lesson opens like a chapter; the Chinese is the focal point. */
.grammar-opening{grid-template-columns:1fr 1.1fr;gap:7%;padding-block:55px 50px}
.grammar-opening h1{font-size:clamp(44px,5.1vw,72px);max-width:17ch}
.lesson-opening{display:grid;grid-template-columns:1fr;gap:30px;padding:34px;background:#e8eadd;min-width:0}
.opening-margin{display:flex;align-items:center;gap:12px 18px;flex-wrap:wrap;padding-bottom:22px;border-bottom:1px solid #b8c3ae}
.opening-margin .character-cells{font-size:27px;color:var(--accent);max-width:100%}
.opening-margin>span[lang=zh-Latn]{font:italic 19px/1.4 var(--serif)}
.opening-margin>span:last-child{font-size:10px;color:var(--muted)}
.opening-sentence .eyebrow{font-size:9px;margin:0 0 15px}
.opening-sentence .preview-zh{margin:0 0 18px;font:400 clamp(32px,3.1vw,44px)/1.75 var(--hanzi)}
.opening-sentence .preview-pinyin{margin:0 0 15px;font:italic 20px/1.7 var(--serif);color:var(--muted)}
.opening-sentence .preview-meaning{margin:0;font-size:15px;line-height:1.8}
.chapter-journey{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:25px;padding:22px 0;margin-bottom:65px;border-block:1px solid var(--ink)}
.chapter-journey>a{display:flex;align-items:center;gap:13px;min-height:44px;font:400 22px/1.25 var(--serif);text-decoration:none}
.chapter-journey>a>span:first-child{font:italic 17px/1.3 var(--serif);color:var(--accent)}
.chapter-journey>a>span:last-child{margin-left:auto;font:400 16px/1.4 var(--sans)}
.chapter-journey>a:hover{text-decoration:underline;text-underline-offset:5px}
.lesson-layout{grid-template-columns:185px minmax(0,690px);justify-content:center;gap:clamp(40px,7vw,110px)}
.margin-folio{font:500 9px/1.5 var(--sans);letter-spacing:.13em;color:var(--accent);margin:0 0 25px}
.lesson-body>section{margin-bottom:75px}
.lesson-body>section#watch-for{padding:25px 30px 28px;background:#e9e7dc;border-left:2px solid var(--accent)}
.lesson-body #watch-for .section-number{margin-top:0}.lesson-body #watch-for h2{font-size:35px}
.lesson-body #watch-for .pitfall{border:0;padding:0}
.lesson-body #idea>p{font:400 20px/1.8 var(--serif);max-width:62ch}
.lesson-body .pattern-section{display:block;padding:24px;margin:0 0 30px;border:1px solid var(--line);background:#faf8f1}
.lesson-body .pattern-section .eyebrow{margin:0 0 20px;font-size:10px}
.lesson-body .pattern-part span{font-size:26px}
.lesson-body .example{position:relative;border:0;padding:28px 0 30px}
.lesson-body .example+.example{border-top:1px solid var(--line)}
.lesson-body .example .zh{font-size:clamp(29px,3.1vw,39px)}
.lesson-body .example-note{padding-left:17px;border-left:1px solid var(--accent)}
.reading-controls{padding:15px 0;gap:10px;border-block:1px solid var(--line);margin-bottom:35px}
.reading-opening{grid-template-columns:1.3fr .7fr;align-items:center}
.reading-opening h1{max-width:17ch;font-size:clamp(50px,6vw,84px)}
.reading-frontispiece{display:flex;flex-direction:column;align-items:center;gap:18px;padding:25px;min-width:0}
.reading-frontispiece .character-cells{font-size:95px;color:var(--accent)}
.reading-frontispiece>span[lang=zh-Latn]{font:italic 25px/1.4 var(--serif)}
.reading-frontispiece>p{text-align:center;font:italic 18px/1.8 var(--serif);color:var(--muted);margin:0}
.reading-story{padding-left:25px;border-left:1px solid var(--accent)}
.reading-story .example{padding-left:25px}.reading-story .example::before{left:-34px;top:36px;background:var(--paper);padding-block:2px;font-size:11px}
.reading-story .example .zh{line-height:1.9}
.context-return{padding:35px;margin:0 0 60px 225px;background:#e8eadd}
.context-return h2{font-size:38px;margin-bottom:20px}.context-return>p[lang=zh-Hans]{font:400 28px/1.8 var(--hanzi)}
/* Existing quiz visibility is the source of truth; this does not imply saved progress. */
.quiz:has([data-quiz-next]:not([hidden])){background:var(--highlight,#d9ee8b);color:var(--ink)}
.quiz:has([data-quiz-next]:not([hidden])) :is(legend,label,.quiz-translation,.quiz-feedback,.quiz-reset){color:var(--ink)}
.quiz:has([data-quiz-next]:not([hidden])) :is(label,.quiz-feedback){border-color:#788b52}
.quiz:has([data-quiz-next]:not([hidden])) .paper-link{border-color:var(--ink);color:var(--ink)}
.quiz:has([data-quiz-next]:not([hidden])) .paper-link.dark{background:var(--ink);color:var(--paper)}
.quiz:has([data-quiz-next]:not([hidden])) :focus-visible{outline-color:var(--ink)}
.quiz:has([data-quiz-next]:not([hidden])) label:focus-within{outline-color:var(--ink)}
.quiz-next{padding-top:22px;border-top:1px solid currentColor}
.bridge-words{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:25px 0 30px;padding:0;list-style:none}
.bridge-words li{display:flex;flex-direction:column;align-items:flex-start;gap:9px;min-width:0;font-size:13px;line-height:1.6}
.bridge-words .character-cells{font-size:27px}.bridge-words li>span[lang=zh-Latn]{font:italic 18px/1.5 var(--serif)}
.bridge-words li>span:last-child{color:var(--muted)}
.app-bridge{grid-template-columns:minmax(0,1fr) 260px;align-items:start;gap:65px;padding:45px 35px;background:#e8eadd;border:0}
.app-bridge h2{font-size:clamp(36px,4.2vw,55px)}
.bridge-steps{padding-left:20px;margin:25px 0;max-width:60ch;font-size:13px;line-height:1.8}
.bridge-steps li+li{margin-top:9px}.bridge-import-note{font-size:13px!important}
.bridge-aside{padding-left:30px;border-left:1px solid #b5c2ac}.bridge-aside .eyebrow{font-size:9px;margin:0 0 24px}
.bridge-guide{font-size:12px;line-height:1.7;margin-top:18px;min-height:44px;display:flex;align-items:center}

/* The app: a reader and a practice screen, followed by one coherent journey. */
.product-hero{grid-template-columns:1.08fr .92fr;gap:7%;align-items:center;padding-block:55px 65px}
.product-hero h1{font-size:clamp(52px,6.4vw,90px);max-width:15ch}
.product-pair{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start;min-width:0}
.product-pair figure:nth-child(2){margin-top:65px}
.product-pair img{width:100%;height:auto;border:1px solid var(--line);border-radius:15px}
.product-pair figcaption{margin-top:17px;font:400 11px/1.7 var(--sans);color:var(--muted)}
.product-pair figcaption span{display:block;font-size:9px;color:var(--accent);letter-spacing:.1em;margin-bottom:5px}
.product-sequence{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px;padding:24px 0;border-block:1px solid var(--ink)}
.product-sequence>a{display:flex;gap:15px;align-items:center;min-height:44px;font:400 23px/1.4 var(--serif);text-decoration:none}
.product-sequence>a>span{font:italic 18px/1.5 var(--serif);color:var(--accent)}
.product-sequence>a:hover{text-decoration:underline}
.product-chapter{display:grid;grid-template-columns:150px minmax(0,1.4fr) minmax(0,.6fr);gap:45px;padding:80px 0;border-bottom:1px solid var(--line)}
.product-chapter-number{padding-top:8px;color:var(--accent);font:500 10px/1.6 var(--sans);letter-spacing:.1em}
.product-chapter h2,.product-dictionary h2{font-size:clamp(38px,4.5vw,62px);margin:0 0 25px;line-height:1.08}
.product-chapter p,.product-dictionary-copy p{max-width:52ch;font-size:16px;line-height:1.85}
.product-margin-note{border-left:1px solid var(--accent);padding-left:25px}
.product-margin-note>span{display:block;margin-bottom:18px;color:var(--accent);font:400 55px/1.3 var(--hanzi)}
.product-margin-note p{font:italic 20px/1.6 var(--serif)}
.product-margin-note a{display:inline-flex;align-items:center;min-height:44px;font-size:12px}
.product-dictionary{display:grid;grid-template-columns:150px minmax(0,1fr) minmax(0,1.1fr);align-items:start;gap:45px;padding:75px 0;border-bottom:1px solid var(--line)}
.product-dictionary figure{margin:0}.product-dictionary img{width:100%;height:auto}.product-dictionary figcaption{font-size:11px;line-height:1.7;margin-top:18px;color:var(--muted)}

@media(max-width:1100px){
  .reading-spread{grid-template-columns:75px 1fr 1fr;gap:22px;padding:35px 25px}.spread-excerpt{padding-left:22px;margin-left:0}
  .product-chapter,.product-dictionary{grid-template-columns:100px 1.2fr .8fr;gap:30px}
  .app-bridge{grid-template-columns:minmax(0,1fr) 225px;gap:35px;padding:35px}
}
@media(max-width:980px){
  .library-hero,.grammar-opening{grid-template-columns:1fr 1fr;gap:30px}.library-hero h1{font-size:62px}
  .library-feature{padding:26px}.library-feature .feature-sentence{font-size:35px}
  .grammar-library .grammar-card{padding:24px}.grammar-library .grammar-card h2{font-size:29px}
  .level-chapters>a{grid-template-columns:25px 1fr;gap:12px;padding-inline:16px}.level-chapters>a>span:last-child{display:none}
  .level-chapters strong{font-size:23px}
  .reading-index-hero{grid-template-columns:1fr}.reading-index-note{max-width:400px}
  .reading-spread{grid-template-columns:70px 1fr;gap:25px}.spread-excerpt{grid-column:2;margin-top:5px;padding-top:25px;border-top:1px solid #a6b3a0;border-left:0;padding-left:0}
  .spread-story h2{max-width:25ch}.spread-story>p:not(.eyebrow):not(.spread-path){max-width:65ch}
  .spread-excerpt p[lang=zh-Hans]{font-size:31px}.spread-excerpt .excerpt-next{display:none}
  .lesson-layout{grid-template-columns:minmax(0,700px);gap:30px}.margin-folio{display:none}
  .chapter-journey{gap:18px;margin-bottom:40px}.chapter-journey>a{font-size:20px;gap:8px}
  .chapter-journey>a>span:last-child{display:none}
  .context-return{margin-left:0}
  .lesson-opening{padding:27px}.opening-sentence .preview-zh{font-size:33px}
  .reading-frontispiece .character-cells{font-size:75px}
  .product-hero{grid-template-columns:1fr 1fr;gap:30px}.product-hero h1{font-size:60px}
  .product-pair{gap:15px}.product-pair figure:nth-child(2){margin-top:42px}
  .product-chapter,.product-dictionary{grid-template-columns:1.2fr .8fr;gap:28px}
  .product-chapter-number{grid-column:1/-1;padding-top:0}
}
@media(max-width:760px){
  .library-hero,.grammar-opening,.reading-opening,.product-hero{grid-template-columns:1fr;gap:32px}
  .library-hero h1{font-size:clamp(49px,10vw,70px);max-width:17ch}.library-feature{max-width:600px}
  .library-feature .feature-sentence{font-size:38px;margin-top:25px}
  .level-chapters{grid-template-columns:1fr;margin-bottom:35px}.level-chapters>a{grid-template-columns:35px 1fr 18px;border-right:0;border-bottom:1px solid var(--line);padding:19px 0;gap:18px}
  .level-chapters>a:last-child{border-bottom:0}.level-chapters>a>span:last-child{display:block}.level-chapters strong{font-size:26px;margin-block:5px}
  .level-chapters strong+span{display:block}.chapter-count{font-size:25px}
  .grammar-library[data-lesson-library]{grid-template-columns:1fr;gap:20px}
  .grammar-library .grammar-card h2{max-width:26ch}.grammar-library .card-copy{margin-block:20px}
  .grammar-library .lesson-card-top{grid-row:auto}.grammar-library .grammar-card p,.grammar-library .lesson-card-foot{grid-column:auto}
  .grammar-library .card-example-zh{font-size:27px}
  .reading-contents{grid-template-columns:1fr;gap:0;padding:0}.reading-contents a{padding:17px 0;border-bottom:1px solid var(--line);font-size:22px}.reading-contents a:last-child{border:0}
  .reading-spread{grid-template-columns:44px minmax(0,1fr);gap:20px;padding:28px 22px}.spread-margin .character-cells{font-size:29px}
  .spread-margin .eyebrow{font-size:8px;letter-spacing:.03em}.spread-margin>span[lang=zh-Latn]{font-size:15px}
  .spread-story h2{font-size:37px}.spread-excerpt p[lang=zh-Hans]{font-size:28px}.spread-excerpt p[lang=zh-Latn]{font-size:17px}
  .chapter-journey{grid-template-columns:1fr 1fr;gap:5px 25px;padding:15px 0}
  .chapter-journey>a{font-size:21px;min-height:48px}.chapter-journey>a>span:first-child{min-width:25px}
  .grammar-opening h1{font-size:clamp(43px,8vw,62px);max-width:21ch}.lesson-opening{padding:26px}.opening-sentence .preview-zh{font-size:34px}
  .reading-opening{grid-template-columns:1fr}.reading-opening h1{font-size:clamp(48px,9vw,68px)}
  .reading-frontispiece{display:grid;grid-template-columns:auto 1fr;justify-items:start;gap:10px 25px;padding:0}
  .reading-frontispiece .character-cells{grid-row:1/3;font-size:53px}.reading-frontispiece>span[lang=zh-Latn]{font-size:20px}.reading-frontispiece>p{font-size:16px;text-align:left}
  .lesson-body>section{margin-bottom:55px}.lesson-body #idea>p{font-size:19px}
  .lesson-body>section#watch-for{padding:24px 22px}.lesson-body #watch-for h2{font-size:31px}
  .lesson-body .example .zh{font-size:30px}.reading-story{padding-left:20px}.reading-story .example{padding-left:10px}.reading-story .example::before{left:-30px}
  .lesson-body .pattern-section{padding:21px}.lesson-body .pattern-part span{font-size:24px}
  .context-return{padding:25px}.context-return h2{font-size:33px}.context-return>p[lang=zh-Hans]{font-size:26px}
  .app-bridge{grid-template-columns:1fr;padding:30px 25px;gap:30px}.app-bridge h2{font-size:42px}
  .bridge-aside{display:flex;padding:25px 0 0;border-left:0;border-top:1px solid #b5c2ac;gap:14px}.bridge-aside .eyebrow{margin:0}
  .bridge-aside .official-app-store-badge,.bridge-aside .paper-link{margin:0}.bridge-aside p{margin:0;max-width:55ch}
  .bridge-words{gap:15px}.bridge-words .character-cells{font-size:24px}.bridge-words li{font-size:12px}
  .product-hero h1{font-size:clamp(51px,10vw,73px);max-width:19ch}.product-pair{max-width:440px;gap:22px}
  .product-sequence{grid-template-columns:1fr;gap:0;padding:10px 0}.product-sequence>a{padding:10px 0;font-size:25px}
  .product-chapter,.product-dictionary{grid-template-columns:1fr;gap:25px;padding-block:45px}
  .product-chapter h2,.product-dictionary h2{font-size:43px}.product-margin-note{display:grid;grid-template-columns:45px 1fr;gap:0 20px;padding-left:20px}
  .product-margin-note>span{grid-row:1/3;font-size:42px}.product-margin-note p{margin:0;font-size:18px}.product-margin-note a{font-size:12px}
  .product-dictionary figure{max-width:600px}
}
@media(max-width:400px){
  .grammar-card{padding:23px 20px}.grammar-library .grammar-card{padding:23px 20px}.grammar-library .grammar-card h2{font-size:27px}
  .grammar-card .character-cells{font-size:26px}.grammar-library .card-example-zh{font-size:25px}
  .library-feature{padding:23px}.library-feature .feature-sentence{font-size:32px}.feature-caption{font-size:8px!important}
  .reading-spread{padding:25px 18px;gap:15px;grid-template-columns:35px minmax(0,1fr)}.spread-margin .character-cells{font-size:24px}
  .spread-story h2{font-size:31px}.spread-story .paper-link{padding-inline:12px;font-size:12px}.spread-excerpt p[lang=zh-Hans]{font-size:24px}
  .chapter-journey{gap:5px 12px}.chapter-journey>a{font-size:18px}.chapter-journey>a>span:first-child{font-size:15px;min-width:20px}
  .lesson-opening{padding:23px}.opening-sentence .preview-zh{font-size:29px}.opening-sentence .preview-pinyin{font-size:18px}
  .bridge-words{grid-template-columns:1fr;gap:20px}.bridge-words li{display:grid;grid-template-columns:1fr 1fr;gap:5px 15px}.bridge-words li .character-cells{grid-row:1/3}
  .app-bridge{padding:26px 20px}.app-bridge h2{font-size:36px}.bridge-main>.paper-link{font-size:12px;padding-inline:12px}
  .reading-card .text-link{font-size:10px}.reading-card .reading-excerpt{font-size:26px}
}
@media print{
  .chapter-journey,.reading-contents,.level-chapters,.context-return{display:none!important}
  .lesson-opening,.reading-frontispiece{display:none!important}.grammar-opening,.reading-opening{display:block}
  .lesson-body>section#watch-for,.lesson-body .pattern-section{background:#fff}
  .grammar-focus{background:none;text-decoration:underline;box-shadow:none;padding:0}
  .lesson-body #idea>p{font-size:12pt}.reading-story{border:0;padding-left:0}
  .quiz:has([data-quiz-next]:not([hidden])){background:#fff;color:#000}
}