@charset "UTF-8";
@font-face{font-family:"Yiri Song";src:url("./fonts/yiri-song-classics.woff2?v=library5") format("woff2");font-style:normal;font-weight:400 500;font-display:swap;}
:root{--paper:#f7f5ef;--ink:#303b34;--muted:#82867d;--line:#e4e3d9;--red:#a95843;--sage:#e9ece2;--serif:"Yiri Song","Noto Serif SC","Songti SC","STSong","SimSun",serif;--sans:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;--reading:18px}*{box-sizing:border-box}html{background:#e9eae3;scroll-behavior:smooth}body{margin:0;font-family:var(--sans);color:var(--ink);-webkit-tap-highlight-color:transparent}button,a,input{touch-action:manipulation}button,a{color:inherit}button{font:inherit;cursor:pointer}button{border:0}button:active{transform:scale(.97)}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--red);outline-offset:5px}a{text-decoration:none}svg{display:block;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;width:22px;height:22px}button{transition:background .2s,transform .2s,color .2s}.app{max-width:480px;min-height:100dvh;margin:auto;background:var(--paper);position:relative;padding-bottom:100px}header{height:93px;padding:29px 27px 20px;display:flex;align-items:center;justify-content:space-between}.wordmark{font-family:var(--serif);font-size:27px;letter-spacing:5px;display:inline-flex;align-items:center;gap:9px}.seal{font:12px var(--serif);letter-spacing:0;display:inline-grid;place-items:center;background:var(--red);color:var(--paper);border-radius:3px;width:20px;height:24px;transform:rotate(-4deg)}.icon-button{display:grid;place-items:center;width:44px;height:44px;background:transparent;border-radius:50%}.icon-button:hover{background:var(--sage)}main{padding:6px 27px 25px;animation:arrive .35s both}main.reenter{animation:none}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:500}h1{font-family:var(--serif);font-size:30px;letter-spacing:2px;line-height:1.5}.eyebrow{font-size:11px;letter-spacing:2px;color:var(--muted);text-transform:uppercase}.topline{display:flex;justify-content:space-between;align-items:center;margin:4px 0 20px;font-size:12px;color:var(--muted)}.dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--red);vertical-align:middle;margin-right:7px}.intro{font-size:13px;color:var(--muted);margin-top:10px;line-height:1.8}.landscape{height:146px;position:relative;margin:12px -27px 0;overflow:hidden}.landscape svg{width:100%;height:100%;stroke:none}.landscape:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,var(--paper),transparent 35%)}.reading-card{padding:23px 0 28px;border-bottom:1px solid var(--line);position:relative}.source-row{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:var(--muted);letter-spacing:1px}.source-row .tag{color:var(--red);background:#a958430c;padding:5px 9px;border-radius:3px;font-size:10px}.quote{font-family:var(--serif);font-size:29px;line-height:1.9;letter-spacing:3px;margin:19px 0 10px;white-space:pre-line}.attribution{font-size:11px;color:var(--muted);display:flex;align-items:center;gap:8px}.attribution:before{content:"";width:20px;height:1px;background:var(--muted)}.section{margin-top:29px}.section-label{font-size:11px;color:var(--muted);letter-spacing:2px;display:flex;align-items:center;gap:9px;margin-bottom:13px}.section-label:before{content:"";height:9px;width:2px;background:var(--red);opacity:.65}.body-copy{font-size:var(--reading);line-height:1.95;letter-spacing:.3px;color:#565e54;font-family:var(--serif)}.example{padding:20px;background:#eeeee5;border-radius:3px}.example .body-copy{font-family:var(--sans);font-size:14px;line-height:1.9}.reflection{border-top:1px solid var(--line);padding:23px 0 7px;margin-top:27px}.reflection p{font-family:var(--serif);font-size:17px;line-height:1.9}.actions{display:flex;gap:10px;margin-top:29px}.primary{background:var(--ink);color:#faf9f3;min-height:50px;border-radius:5px;display:flex;align-items:center;justify-content:center;gap:9px;font-size:14px;letter-spacing:1px;flex:1}.primary.done{background:#e5e9df;color:#58644e}.secondary{border:1px solid #dcded3;background:transparent;padding:0 17px;min-height:50px;border-radius:5px;display:flex;align-items:center;justify-content:center;gap:7px;font-size:13px}.saved{color:var(--red)}.saved svg{fill:#a958431c}.endnote{text-align:center;font-size:10px;color:#95988f;letter-spacing:1.5px;margin-top:18px}.page-title{margin-top:16px}.book-list{margin-top:30px}.book-row{display:flex;gap:22px;padding:24px 0;border-bottom:1px solid var(--line);width:100%;background:none;text-align:left;align-items:center}.cover{position:relative;width:88px;height:124px;border-radius:2px 5px 5px 2px;flex-shrink:0;background:#64705b;box-shadow:3px 5px 10px #2535280d,inset 4px 0 0 #0001,inset 7px 0 0 #fff1;display:flex;justify-content:flex-end;padding:13px 13px;color:#f1f0dc;overflow:hidden}.cover:after{content:"";position:absolute;inset:8px 7px 8px 11px;border:1px solid #ffffff28;pointer-events:none}.cover-title{writing-mode:vertical-rl;font-family:var(--serif);font-size:20px;letter-spacing:4px;z-index:1}.cover-author{writing-mode:vertical-rl;font-family:var(--serif);font-size:8px;letter-spacing:2px;margin-right:8px;margin-top:3px;opacity:.7}.cover.gold{background:#a18c6b}.cover.clay{background:#9c7160}.book-info{flex:1;min-width:0}.book-info h2{font-family:var(--serif);font-size:23px;letter-spacing:2px}.book-info p{font-size:12px;line-height:1.8;color:var(--muted);margin-top:9px}.book-meta{font-size:10px;color:#92968a;margin-top:16px;display:flex;gap:10px;align-items:center}.pill{font-size:10px;color:#637154;background:#e8ecdf;border-radius:3px;padding:4px 7px}.arrow{color:#93988d;flex-shrink:0}.quiet-note{margin:30px 0;color:var(--muted);font-size:12px;line-height:1.9;text-align:center;font-family:var(--serif)}nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:min(480px,100%);height:calc(78px + env(safe-area-inset-bottom));padding:10px 36px calc(10px + env(safe-area-inset-bottom));background:#f7f5eff2;backdrop-filter:blur(16px);border-top:1px solid var(--line);display:flex;justify-content:space-between;z-index:8}nav a{min-width:64px;display:flex;flex-direction:column;gap:6px;align-items:center;justify-content:center;color:#96998f;font-size:10px;letter-spacing:1px;position:relative}nav a.active{color:var(--ink)}nav a.active:after{content:"";position:absolute;top:-11px;width:16px;height:2px;background:var(--red)}.filter-row{display:flex;gap:8px;margin:27px 0 10px;overflow-x:auto;scrollbar-width:none}.filter{border-radius:20px;padding:9px 14px;white-space:nowrap;background:transparent;color:var(--muted);font-size:12px}.filter.active{background:var(--ink);color:var(--paper)}.saved-item{border-bottom:1px solid var(--line);padding:23px 0;position:relative}.saved-open{background:transparent;padding:0;text-align:left;display:block;width:calc(100% - 35px)}.saved-item blockquote{font-family:var(--serif);font-size:21px;line-height:1.9;margin:12px 0;letter-spacing:1px}.saved-item .icon-button{position:absolute;right:-10px;top:18px}.saved-item small{color:var(--muted);font-size:10px}.empty{text-align:center;padding:75px 15px}.empty svg{width:38px;height:38px;margin:0 auto 25px;color:#a3a995}.empty h2{font-family:var(--serif);font-size:22px}.empty p{font-size:13px;line-height:1.9;color:var(--muted);margin:14px 0 25px}.empty button{margin:auto;max-width:150px;width:100%}.back{background:transparent;padding:6px 0;display:flex;gap:7px;align-items:center;font-size:12px;color:var(--muted);margin-bottom:25px}.chapter-row{display:flex;width:100%;padding:19px 0;border-bottom:1px solid var(--line);background:transparent;align-items:center;text-align:left;gap:17px}.chapter-number{font-size:12px;color:#a0a394;letter-spacing:1px}.chapter-name{font-family:var(--serif);font-size:18px;flex:1}.chapter-state{font-size:10px;color:var(--muted)}.book-detail-head{display:flex;align-items:center;gap:24px;margin-bottom:30px}.book-detail-head .cover{width:99px;height:140px}.book-detail-head h1{font-size:27px}.wide{width:100%}.detail-actions{display:flex;margin-bottom:27px}dialog{position:fixed;inset:auto 0 0;margin:0 auto;width:min(480px,100%);max-width:100%;max-height:85dvh;padding:10px 27px calc(35px + env(safe-area-inset-bottom));border:none;border-radius:22px 22px 0 0;background:var(--paper);color:var(--ink);box-shadow:0 -10px 50px #29342410}dialog[open]{animation:sheet .28s ease-out}dialog::backdrop{background:#25312855;backdrop-filter:blur(3px)}.sheet-handle{height:4px;width:30px;border-radius:5px;background:#d7d9cc;margin:0 auto 17px}.sheet-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.sheet-heading h2{font-size:21px;font-family:var(--serif)}.setting-row{display:flex;align-items:center;justify-content:space-between;padding:20px 0;border-top:1px solid var(--line);font-size:14px}.setting-row small{display:block;font-size:11px;color:var(--muted);margin-top:7px}.size-options{display:flex;gap:4px;background:#eceee5;padding:4px;border-radius:7px}.size-options button{width:38px;height:34px;border-radius:5px;background:transparent}.size-options .selected{background:var(--paper);box-shadow:0 2px 6px #00000008}.sheet-note{font-size:11px;color:var(--muted);line-height:1.9;margin-top:20px}.source-link{font-size:11px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:2px}#toast{position:fixed;bottom:110px;left:50%;transform:translate(-50%,8px);background:#303b34ed;color:#fff;padding:12px 20px;border-radius:6px;font-size:12px;opacity:0;pointer-events:none;transition:.2s;z-index:30;white-space:nowrap}#toast.visible{opacity:1;transform:translate(-50%,0)}.desktop-note{display:none}@keyframes arrive{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes sheet{from{transform:translateY(50px);opacity:0}to{transform:translateY(0);opacity:1}}@media(min-width:900px){body{padding-left:38vw}.app{margin:0 auto;box-shadow:0 0 70px #29342408}nav{left:calc(50% + 19vw)}.desktop-note{display:block;position:fixed;left:calc(19vw - 130px);top:22vh;width:310px}.desktop-note h1{font-size:37px;line-height:1.9;margin-top:60px;letter-spacing:4px}.desktop-note p{font-family:var(--serif);font-size:15px;color:#7a8275;line-height:2.1;margin-top:22px;letter-spacing:2px}.note-line{height:1px;width:35px;background:#a9584377;margin:43px 0 22px}.desktop-note small{font-size:9px;line-height:2.1;letter-spacing:2px;color:#8d9385}}@media(max-width:360px){header{padding-left:21px;padding-right:21px}main{padding-left:21px;padding-right:21px}.quote{font-size:25px}.book-row{gap:16px}.landscape{margin-left:-21px;margin-right:-21px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.reading-title{font-family:var(--serif);font-size:28px;letter-spacing:3px;margin:20px 0 12px}.featured-line{font-family:var(--serif);font-size:18px;line-height:1.9;color:#6b7366;letter-spacing:1px;margin-bottom:14px}.original-body{font-family:var(--serif);font-size:calc(var(--reading) + 2px);letter-spacing:1px;line-height:2;color:var(--ink)}.original-body p{margin:0 0 .5em}.interpretation{padding-top:24px;border-top:1px solid var(--line)}.chapter-navigation{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:22px 0;margin-top:22px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:11px;color:var(--muted)}.chapter-navigation button{background:none;display:flex;align-items:center;justify-content:center;gap:3px;min-height:44px;padding:0 2px;font-size:12px}.chapter-navigation svg{width:16px;height:16px}.source-footer{margin:25px 0 0}.continue{margin:16px 0 25px;flex:none}.progress-track{height:3px;background:#e4e7dc;border-radius:5px;overflow:hidden}.progress-track span{height:100%;display:block;background:#79856e;transition:width .2s}.catalogue-label{padding:26px 0 8px;font-size:11px;color:var(--muted);letter-spacing:1px}.chapter-state svg{width:15px;height:15px;color:#79856e}.soon-pill{font-size:10px;color:#888e80;letter-spacing:1px;border:1px solid #dcded4;border-radius:3px;padding:4px 7px}.upcoming .cover{opacity:.75}.cover.blue{background:#6b7d80}.cover.plum{background:#7c737d}.cover.sand{background:#a09a80}.cover.slate{background:#718078}.cover.rust{background:#927b64}.coming-page{text-align:center;padding:20px 5px 30px}.coming-page .cover{margin:0 auto 35px;width:110px;height:155px}.coming-page .eyebrow{display:block;margin-bottom:16px;font-size:9px}.coming-page h1{font-size:30px}.coming-page .soon-pill{display:inline-block;margin:20px 0 10px}.coming-copy{font-family:var(--serif);font-size:17px;line-height:2.1;color:var(--muted);margin:20px 0 35px}.small-button{background:#e9ece2;min-height:44px;padding:0 12px;font-size:12px;border-radius:5px}.setting-about{padding-top:24px;border-top:1px solid var(--line)}.setting-about .wordmark{font-size:23px}.setting-about a{line-height:2.4}.no-motion{animation:none!important}.modal-open{overflow:hidden}button:disabled{cursor:default}button:disabled:active{transform:none}.body-copy,.original-body,.reflection p{overflow-wrap:anywhere}@media(max-width:360px){.page-title{font-size:27px}.book-info p{font-size:11px}.cover{width:78px;height:113px}.book-meta{gap:5px}}

/* 逐句精读 */
.deep-heading{padding-top:10px;padding-bottom:26px}.deep-heading .reading-title{font-size:32px;margin:21px 0 9px;line-height:1.5}.deep-subtitle{font-family:var(--serif);font-size:16px;letter-spacing:1px;color:#737b6d;margin-bottom:17px}.study-intro{padding:24px 0 25px}.study-intro>p{font-size:13px;color:var(--muted);line-height:1.95}.study-stats{margin-top:15px;color:#929687;font-size:10px;letter-spacing:1px}.study-stats span{margin:0 8px}.study-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:22px}.study-toolbar h2{font-size:15px;font-family:var(--serif);letter-spacing:1px}.study-toolbar button{background:none;min-height:44px;padding:0 0 0 12px;font-size:11px;color:var(--red);letter-spacing:1px}.study-hint{font-size:11px;line-height:1.9;color:#909586;margin:2px 0 15px}.study-verse{border-bottom:1px solid var(--line)}.study-verse>summary{display:flex;align-items:baseline;gap:12px;list-style:none;cursor:pointer;padding:22px 0;min-height:66px}.study-verse>summary::-webkit-details-marker,.study-fold>summary::-webkit-details-marker{display:none}.study-verse>summary::marker,.study-fold>summary::marker{content:''}.verse-index{font:10px var(--sans);letter-spacing:1px;color:#9a9e91;width:18px;flex-shrink:0}.verse-text{font:calc(var(--reading) + 3px)/1.95 var(--serif);letter-spacing:1px;flex:1;min-width:0}.verse-text ruby{ruby-align:center}.verse-text rt{font:10px var(--sans);letter-spacing:0;color:#8b9283}.verse-chevron{flex-shrink:0;color:#a2a795;align-self:center}.verse-chevron svg{width:16px;height:16px;transition:transform .22s}.study-verse[open] .verse-chevron svg{transform:rotate(90deg)}.study-verse[open] .verse-index{color:var(--red)}.verse-content{padding:0 0 26px 30px}.study-label{font:11px/1.7 var(--sans);color:var(--muted);font-weight:400;letter-spacing:1px;margin-bottom:10px}.verse-translation{background:#eceee567;padding:16px 17px;margin:0 0 25px;border-radius:3px}.verse-translation>p{font:var(--reading)/1.95 var(--serif);color:#515e4b;letter-spacing:.4px}.word-list{padding:0;margin:0 0 23px}.word-list>div{display:grid;grid-template-columns:67px minmax(0,1fr);gap:12px;padding:13px 0;border-bottom:1px solid #e4e3d96b}.word-list>div:first-child{padding-top:1px}.word-list>div:last-child{border-bottom:0}.word-list dt{padding:0;margin:0;min-width:0}.word-list dt button{font:17px/1.7 var(--serif);border-bottom:1px dotted #a5ad98;background:none;padding:0;text-align:left;min-height:44px;max-width:100%;overflow-wrap:anywhere;color:#42523e}.word-list dt small{display:block;font:10px/1.8 var(--sans);color:#969b8e;overflow-wrap:anywhere;margin-top:2px}.word-list dd{margin:0;font:clamp(16px,calc(var(--reading) - 1px),20px)/1.95 var(--serif);color:#67705f;overflow-wrap:anywhere}.verse-explanation{padding-top:7px}.verse-explanation>p{font:var(--reading)/1.95 var(--serif);color:#606957;letter-spacing:.2px}.study-section-title{font:24px/1.6 var(--serif);letter-spacing:1px}.study-caption{font-size:12px;line-height:1.9;color:var(--muted);margin-top:9px;margin-bottom:24px}.study-overview{padding:37px 0 26px}.overview-step{display:flex;gap:17px;margin:25px 0}.overview-step>span{font:10px/2.7 var(--sans);color:#a1a58f;letter-spacing:1px}.overview-step h3{font:18px/1.8 var(--serif);margin-bottom:8px}.overview-step p{font:var(--reading)/1.95 var(--serif);color:#6e7566}.study-alternatives{padding:29px 0 12px;border-top:1px solid var(--line)}.study-fold{border-bottom:1px solid var(--line)}.study-fold>summary{display:flex;align-items:center;justify-content:space-between;gap:12px;list-style:none;cursor:pointer;font:16px/1.9 var(--serif);padding:18px 0;min-height:60px}.study-fold>summary>span{flex-shrink:0;color:#a0a693}.study-fold>summary svg{width:16px;height:16px;transition:transform .22s}.study-fold[open]>summary svg{transform:rotate(90deg)}.fold-content{padding:5px 0 25px}.variant-quote{font:18px/1.95 var(--serif);padding-left:13px;border-left:2px solid #c4cbb9;margin-bottom:21px;white-space:pre-line;color:#5a6850}.variant-source{margin-top:18px;line-height:1.8}.life-fold{margin-top:27px}.life-question{font:19px/1.95 var(--serif);margin-top:20px}.study-source{margin-bottom:21px;line-height:1.8}.study-source>p{font-size:12px;color:var(--muted);line-height:1.9;margin-top:7px}.study-badge{border:1px solid #a9584338;color:var(--red);padding:3px 6px;font:9px var(--sans);letter-spacing:1px;border-radius:3px}.chapter-state{display:flex;align-items:center;gap:8px}.word-heading{font:34px/1.6 var(--serif);display:flex;align-items:baseline;gap:17px;margin:3px 0 8px}.word-sound{font:14px var(--sans);color:var(--muted)}.word-context{font:13px/1.9 var(--serif);color:var(--muted);padding-bottom:23px;margin-bottom:23px;border-bottom:1px solid var(--line)}.word-usage{margin-top:26px}.study-verse>summary:focus-visible,.study-fold>summary:focus-visible{outline:2px solid var(--red);outline-offset:3px;border-radius:2px}@media(max-width:360px){.verse-content{padding-left:0}.verse-text{font-size:calc(var(--reading) + 2px)}.study-verse>summary{gap:9px}.word-list>div{grid-template-columns:65px minmax(0,1fr);gap:11px}.study-section-title{font-size:22px}}
/* Chapter applications share the existing reading typography and disclosure controls. */
.education-section{margin-top:32px;padding-top:30px;border-top:1px solid var(--line)}
.education-intro{margin-top:18px}.education-section>.sheet-note{margin:12px 0 20px}
.education-scenario{font:var(--reading)/1.95 var(--serif);color:#606957;background:#eceee567;padding:16px 17px;margin:22px 0;border-radius:3px}
.education-steps{padding-left:1.5em;margin:20px 0;font:var(--reading)/1.95 var(--serif);color:#606957}.education-steps li{padding-left:5px;margin:14px 0}.education-steps li::marker{color:var(--red)}
.education-dialogue{margin:23px 0;padding:3px 0 3px 16px;border-left:2px solid #c4cbb9;font:var(--reading)/1.95 var(--serif);color:#42523e}
.education-stage{margin:8px 0 23px}.education-stage h3{font:18px/1.8 var(--serif);margin-bottom:8px}.education-reference{margin:22px 0}.education-reference .sheet-note{margin-top:7px}

/* Approved horizontal logo: preserve header rhythm and a 44px tap target. */
.wordmark{min-height:44px;flex-shrink:0;letter-spacing:0;line-height:1}
.brand-logo{display:block;width:126px;height:auto;object-fit:contain}
.desktop-note .brand-logo{width:166px}
@media(max-width:350px){.brand-logo{width:116px}}