:root{color-scheme:light;--ink:#273037;--muted:#6d777b;--wash:#f6f5f0;--paper:#fffefb;--line:#e0dfd8;--rust:#996550;--lake:#386775;--max:1180px;--zh-size:20px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--wash);color:var(--ink);font-family:system-ui,-apple-system,"Noto Sans CJK TC","PingFang TC","Microsoft JhengHei",sans-serif;-webkit-font-smoothing:antialiased}button,input,select{font:inherit}button{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible{outline:2px solid var(--lake);outline-offset:3px}button:disabled{opacity:.3;cursor:not-allowed}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:absolute;top:-200px;left:8px;z-index:1000}.skip-link:focus{top:8px;background:white;padding:8px}.masthead{background:var(--paper);border-bottom:1px solid var(--line);padding:20px clamp(20px,4vw,58px);display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:flex;align-items:center;gap:15px}.brand-emblem{display:grid;place-items:center;width:49px;height:49px;border:1px solid #c9b8ab;color:var(--rust);font-size:25px}.brand-eyebrow,.section-kicker{font:600 10px/1.5 ui-sans-serif,system-ui,sans-serif;letter-spacing:.19em;color:var(--rust)}.brand h1{font-family:"Noto Serif CJK TC","Songti TC","PMingLiU",serif;letter-spacing:.16em;margin:3px 0 0;font-size:23px;font-weight:600}.lang-control{display:grid;gap:6px;color:var(--muted);font-size:12px}.lang-control select{appearance:auto;background:#fff;border:1px solid var(--line);color:var(--ink);padding:8px 11px;border-radius:3px;min-width:124px}.layout{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:240px minmax(0,1fr);gap:37px;padding:35px 24px 60px;align-items:start}.mobile-toggle{display:none}.sidebar{position:sticky;top:18px;max-height:calc(100vh - 36px);overflow-y:auto;scrollbar-width:thin}.control-block{padding:17px 0 19px;border-bottom:1px solid var(--line)}.menu-title{padding-top:2px}.intro{color:var(--muted);font-size:13px;line-height:1.7;margin:10px 0 0}.control-block h2{font-size:12px;letter-spacing:.11em;font-weight:650;margin:0 0 14px;color:#515e63}.mode-group{display:grid;gap:7px}.mode{display:flex;align-items:center;gap:9px;font-size:14px;padding:7px 8px;border:1px solid transparent;border-radius:3px}.mode:has(input:checked){border-color:#d6cec3;background:#eeece6;color:var(--ink)}input[type=radio],input[type=checkbox]{accent-color:var(--rust)}.check{display:flex;align-items:center;gap:10px;margin:10px 0;font-size:13px}.long-tag{color:var(--rust)}.ru-tag{color:var(--lake)}.font-size-group{display:flex;align-items:center;gap:16px}.font-size-group button{background:var(--paper);border:1px solid var(--line);border-radius:3px;padding:6px 14px;font-size:16px}.font-size-group span{font-size:12px;color:var(--muted)}#chapter-list{display:grid;gap:1px}.chapter-link{appearance:none;border:0;background:transparent;text-align:left;border-radius:3px;padding:10px 8px;font-size:13px;color:var(--muted);display:flex;gap:11px;align-items:baseline;width:100%}.chapter-link span:first-child{color:#b29a8c;font:500 11px ui-monospace,monospace}.chapter-link.active{background:#ebe9e2;color:var(--ink);font-weight:650}.chapter-link:hover{background:#edeae3}.chapter-link small{margin-left:auto;font:11px ui-monospace,monospace;color:#9b9b91}.sidebar-footer{font-size:11px;color:var(--muted);line-height:1.75}.source-link{display:block;color:var(--lake);text-decoration:none;margin-top:8px}.reading{min-width:0;background:var(--paper);border:1px solid #e6e4dd;padding:clamp(23px,4.3vw,60px);min-height:85vh;box-shadow:0 16px 55px rgba(35,31,24,.032)}.reading-head{padding-bottom:20px;border-bottom:1px solid var(--line)}.reading-head h2{margin:14px 0 12px;font:600 clamp(24px,3.3vw,37px)/1.45 "Noto Serif CJK TC","Songti TC","PMingLiU",serif;letter-spacing:.06em}.chapter-tibetan{margin:0 0 20px;font-size:18px;color:var(--muted);line-height:1.9}.reader-tools{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}.reader-tools form{display:flex;align-items:center;gap:6px}.reader-tools label,.reader-tools span{color:var(--muted);font-size:12px}.reader-tools input{border:1px solid var(--line);border-radius:3px;padding:8px 9px;background:#fff;color:var(--ink);font-size:13px}.jump input{width:65px}.search input{min-width:110px;width:min(220px,35vw)}.reader-tools button{background:#ece9e1;color:var(--ink);border:1px solid #dad6ca;border-radius:3px;padding:8px 11px;font-size:12px}.notice:empty{display:none}.notice{font-size:12px;color:var(--lake);background:#f1f5f4;padding:10px;margin-top:13px;border-left:2px solid var(--lake)}.verses{display:grid;gap:0}.verse{padding:28px 0 32px;border-bottom:1px solid var(--line);scroll-margin-top:20px;min-width:0}.verse:last-child{border-bottom:0}.verse-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-bottom:15px}.verse-number{color:var(--rust);font:600 12px system-ui,sans-serif;letter-spacing:.1em}.source-page{color:#919495;font-size:10px}.tibetan-panel{padding:18px 0 6px;margin-top:22px;border-top:1px solid var(--line);overflow-x:auto;scrollbar-width:thin}.tibetan-image{display:block;width:auto;max-width:none;height:auto;max-height:260px;object-fit:contain;object-position:left center;filter:contrast(1.1)}.translation{display:grid;grid-template-columns:55px minmax(0,1fr);column-gap:14px;align-items:start;margin-top:14px}.translation-label{font-size:12px;padding-top:6px;letter-spacing:.04em}.translation.long .translation-label{color:var(--rust)}.translation.ru .translation-label{color:var(--lake)}.chinese-poem{white-space:pre-wrap;word-wrap:break-word;line-height:1.92;letter-spacing:.055em;font:400 var(--zh-size)/1.93 "Noto Serif CJK TC","Songti TC","PMingLiU","Noto Serif CJK SC",serif}.translation.long .chinese-poem{color:#282d30}.translation.ru .chinese-poem{color:#344951}.no-text{color:var(--muted);font-size:13px;line-height:1.7}.bottom-nav{display:flex;justify-content:space-between;gap:12px;margin:25px 0}.bottom-nav button{background:none;border:1px solid var(--line);padding:11px 18px;color:var(--lake);border-radius:3px}.reader-footer{font-size:11px;color:var(--muted);line-height:1.9;padding-top:15px;border-top:1px solid var(--line)}.loading{text-align:center;color:var(--muted);padding:20px;font-size:12px}.loading:empty{display:none}.search-result-marker{font-size:10px;color:var(--lake);background:#e4eceb;padding:2px 6px;border-radius:3px}.verse.highlight{animation:highlightFade 2s ease-out}@keyframes highlightFade{from{background:#fff1d3}to{background:transparent}}
@media(max-width:900px){.layout{grid-template-columns:190px minmax(0,1fr);gap:18px;padding:16px}.reading{padding:28px}.chapter-link{font-size:12px}.translation{grid-template-columns:45px minmax(0,1fr);gap:10px}.chinese-poem{letter-spacing:.01em}}
@media(max-width:690px){.masthead{padding:14px 17px}.brand-emblem{width:35px;height:35px;font-size:18px}.brand-eyebrow{font-size:8px;letter-spacing:.08em}.brand h1{font-size:18px}.layout{grid-template-columns:1fr;gap:13px;padding:0 0 30px}.mobile-toggle{display:flex;align-items:center;justify-content:space-between;background:#eeece6;border:0;border-bottom:1px solid var(--line);padding:13px 19px;color:var(--ink);width:100%;font-size:13px;text-align:left}.sidebar{position:relative;top:auto;max-height:none;overflow:visible;display:none;grid-template-columns:1fr 1fr;padding:15px 19px;border-bottom:1px solid var(--line);column-gap:16px;background:#f0eee8}.sidebar.open{display:grid}.menu-title,.chapters-block,.sidebar-footer{grid-column:1/-1}.control-block{padding:9px 0 12px}.control-block h2{margin-bottom:7px}.chapters-block #chapter-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2px}.reading{border-left:0;border-right:0;padding:27px 17px}.reading-head h2{font-size:25px}.reader-tools{gap:10px}.search input{width:150px}.verse{padding-top:25px}.translation{grid-template-columns:40px minmax(0,1fr);column-gap:5px}.chinese-poem{line-height:1.9;letter-spacing:0}.tibetan-image{min-width:470px;max-height:250px}.brand-eyebrow{line-height:1.2}}
@media print{body{background:white}.masthead,.sidebar,.reader-tools,.bottom-nav,.reader-footer,.loading{display:none!important}.layout{display:block;padding:0}.reading{border:0;box-shadow:none;padding:0}.reading-head{padding:0 0 12px}.verse{break-inside:avoid;padding:14px 0 19px}.chinese-poem{font-size:13pt;line-height:1.7}.tibetan-panel{overflow:visible}.tibetan-image{max-width:100%;min-width:0;max-height:100px}.verse-meta{padding-bottom:7px}@page{size:A4;margin:15mm}}

/* V2: mobile-first reader, explicit separation of Longlian's half-lines. */
.long-line {display:flex; gap:1.25em;flex-wrap:wrap;align-items:baseline;line-height:1.92;margin-bottom:.12em}
.long-line .long-half{display:inline-block;max-width:100%;flex:0 0 auto;overflow-wrap:anywhere}
.translation.long .chinese-poem{white-space:normal}
.mobile-chapter-select{display:none}
.mobile-reading-bar{display:none}
@media(max-width:690px){
 body{padding-bottom:88px;background:#fffefb}
 .mobile-chapter-select{display:flex;align-items:center;gap:12px;margin:0;padding:12px 17px;background:#f2f0ea;border-bottom:1px solid var(--line)}
 .mobile-chapter-select label{font-size:13px;white-space:nowrap;color:var(--muted)}
 .mobile-chapter-select select{width:100%;min-width:0;border:1px solid #d7d2c8;border-radius:6px;padding:11px 9px;color:var(--ink);background:#fff;font-size:14px}
 .mobile-reading-bar{position:fixed;bottom:0;bottom:env(safe-area-inset-bottom,0);left:0;right:0;z-index:100;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:3px;padding:7px 8px calc(8px + env(safe-area-inset-bottom));background:#f9f7f1;box-shadow:0 -3px 18px #3333331a;border-top:1px solid #ddd5c9}
 .mobile-reading-bar button{min-width:0;border:0;background:none;font-size:13px;font-weight:600;color:#586067;padding:13px 1px;border-radius:5px}
 .mobile-reading-bar button.active{background:#315a62;color:white}
 .tibetan-panel{overflow-x:visible}
 .tibetan-image{min-width:0;max-width:100%;width:100%;max-height:none;object-fit:contain}
 .translation{grid-template-columns:1fr;gap:7px;margin-top:22px}
 .translation-label{font-size:12px;padding:0}
 .chinese-poem{font-size:var(--zh-size);line-height:1.85}
 .long-line {gap:1.05em}
 .long-line .long-half{flex:0 1 auto}
 .reading{padding:23px 17px}
 .chapter-tibetan{font-size:17px}
 .verse{padding:26px 0 32px}
 .verse-meta{padding-bottom:7px}
 .reader-tools{gap:9px}
}
@media print{.mobile-reading-bar,.mobile-chapter-select,.mobile-toggle{display:none!important}}


/* Sticky mobile brand & legible large Chinese type. */
@media(max-width:690px){.masthead{position:sticky;top:0;z-index:25;padding:10px 14px;background:rgba(255,254,251,.98)}.brand h1{font-size:17px}.brand-emblem{display:none}.lang-control{font-size:10px}.lang-control select{min-width:96px;padding:7px 3px}.verse{scroll-margin-top:71px}.tibetan-zoom{display:block;max-width:100%;cursor:zoom-in}.tibetan-zoom img{width:100%;height:auto;max-width:100%;min-width:0}.zoom-hint{font-size:11px;color:#768084}.translation.ru{margin-top:27px}.long-line{line-height:2.02}.chapter-tibetan{line-height:1.65}}

/* 藏文一律用藏文字型。沒指定時會拿中文字型代打，疊字散開 */
.chapter-tibetan,[lang=bo],:lang(bo){font-family:"Noto Serif Tibetan","Kailasa","Jomolhari","Microsoft Himalaya","Tibetan Machine Uni",serif}