@charset "UTF-8";
:root{--paper:#faf9f5;--surface:#fffefa;--ink:#243e34;--text:#3c493f;--muted:#85897c;--green:#2e5747;--green-soft:#edf1e9;--line:#e5e5db;--red:#a75743;--serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",serif;--sans:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;--content:1240px;--reader-size:20px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:var(--paper);color:var(--text);font:14px/1.75 var(--sans);-webkit-font-smoothing:antialiased}body:has(dialog[open]){overflow:hidden}a{color:inherit;text-decoration:none}button,input,select{font:inherit;color:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default}input{min-width:0}button{background:none;border:0}a,button,input,select{outline-offset:5px}a:focus-visible,button:focus-visible,select:focus-visible,input:focus-visible{outline:2px solid var(--green)}h1,h2,h3,p{margin:0}h1,h2,h3{color:var(--ink)}h1,h2{font-family:var(--serif);font-weight:600}img{display:block;max-width:100%}.icon{width:22px;height:22px;flex-shrink:0;vertical-align:middle}svg{overflow:visible}::selection{background:#d8e4d3;color:#244532}[hidden]{display:none!important}.skip-link{position:fixed;top:-90px;left:24px;z-index:200;background:var(--green);color:white;padding:12px}.skip-link:focus{top:10px}
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@media(min-width:1100px){.reading-sidebar{display:flex!important}}
@media(max-width:1320px){.header-inner,.page-main:not(.reading-page),.footer-inner{margin-left:35px;margin-right:35px}.desktop-nav{gap:22px}.header-inner{gap:25px}.hero h1{font-size:52px}.book-card .card-image{padding:22px;height:220px}.library-grid .book-card .card-image{height:220px}.reading-main{padding-left:42px;padding-right:42px}}
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p{font-size:11px}.eyebrow{font-size:8px;letter-spacing:1.7px}.section-heading>.text-link{font-size:10px;gap:7px}.category-grid{grid-template-columns:repeat(2,1fr);gap:14px}.category-card{padding:21px 22px;min-height:175px}.category-icon{margin-bottom:12px;width:38px;height:38px}.category-card p{margin:8px 0 17px}.category-card h3{font-size:20px}.category-count{font-size:10px}.secondary-categories{flex-wrap:wrap;justify-content:flex-start;gap:4px 10px;padding:15px 0 8px}.secondary-categories a{flex:1 0 28%;font-size:10px;justify-content:center}.secondary-categories a>.icon:last-child{display:none}.secondary-categories a>.icon{width:17px}.book-grid{gap:20px}.book-card .card-image{height:235px;padding:20px}.book-card .card-image img{max-height:190px}.book-card .card-copy h3{font-size:15px}.book-card .card-bottom{font-size:8px}.herb-grid{grid-template-columns:repeat(2,1fr);gap:18px}.herb-card .card-image{height:175px}.case-grid{grid-template-columns:1fr}.case-card p{min-height:auto;-webkit-line-clamp:2}.case-card h3{font-size:20px}.case-card-bottom{margin-top:17px}.quote-banner{margin-top:42px;padding:30px 10px}.quote-banner blockquote{font-size:19px;letter-spacing:2px}.quote-banner>p{font-size:11px}.site-footer{padding:28px 0}.footer-brand{font-size:19px}.footer-inner{flex-wrap:wrap;gap:20px}.footer-inner p{font-size:9px}.footer-links{font-size:10px;gap:20px}.page-main{padding-bottom:55px}.page-heading{padding:20px 0 24px;margin-bottom:24px}.page-heading h1{font-size:31px}.page-heading>p{font-size:11px}.breadcrumb{font-size:10px;margin-bottom:21px}.library-layout{grid-template-columns:1fr}.library-sidebar{position:static;display:flex;gap:7px;overflow:auto;padding-bottom:5px;scrollbar-width:none}.library-sidebar h2,.sidebar-note{display:none}.sidebar-item{white-space:nowrap;margin:0;padding:7px 12px;min-height:35px;border:1px solid var(--line);border-radius:3px;font-size:11px}.sidebar-item>span,.sidebar-item>.icon{display:none}.library-grid.library-books{grid-template-columns:repeat(3,1fr);gap:18px}.library-grid .book-card .card-image{height:240px}.group-filters{padding:16px 0;gap:4px 8px}.group-filters>span{width:100%;margin-bottom:5px;font-size:10px}.group-filters>a{padding:4px 8px;font-size:10px}.library-grid{gap:18px}.book-detail-hero{grid-template-columns:145px 1fr;gap:24px;padding:8px 0 28px}.book-detail-cover{min-height:210px;max-height:240px;padding:17px}.book-detail-cover img{max-height:200px}.title-line{display:block;margin-top:9px}.title-line>h1{font-size:27px;letter-spacing:1px}.title-line>.tag{display:inline-block;margin-top:10px}.book-detail-info>.eyebrow{font-size:7px;letter-spacing:1px}.book-byline{flex-wrap:wrap;gap:7px;font-size:10px;line-height:1.7}.book-summary{font-size:12px!important;margin-top:13px!important;line-height:1.9!important}.book-detail-info>.detail-actions{margin-top:18px;gap:9px}.detail-actions>.btn{font-size:11px;padding:9px 12px;min-height:38px;gap:7px}.detail-actions>.btn .icon{width:15px}.book-toc-panel>.toc-root{grid-template-columns:1fr}.toc-search input{width:120px}.book-toc-panel h2{font-size:22px}.article-heading{flex-direction:column;align-items:flex-start;gap:15px;padding-bottom:22px}.article-heading h1{font-size:30px}.article-layout{display:block;margin-top:25px}.article-aside{display:none}.prose{font-size:15px}.article-meta{font-size:10px}.reading-progress{top:74px}.reading-sidebar{top:74px;height:calc(100vh - 74px)}.reading-main{padding:15px 25px 0}.reading-article{margin-top:33px}.reading-article>h1{font-size:26px;letter-spacing:2px}.reading-article>.eyebrow{font-size:10px}.reading-toolbar>span{display:none}.reading-toolbar{padding-bottom:12px}.reading-settings{gap:7px}.reading-article .chapter-prose{font-size:var(--reader-size);line-height:2.1}.chapter-navigation{gap:12px}.chapter-turn{padding:14px 15px}.chapter-turn>span{font-size:12px}.chapter-turn small{font-size:9px}}
@media(max-width:480px){.header-inner,.page-main:not(.reading-page),.footer-inner{margin-left:18px;margin-right:18px}.brand-type{font-size:21px;letter-spacing:2px}.brand-type small{font-size:6.5px}.header-actions{gap:4px}.icon-button{width:32px;height:32px}.hero{display:flex;flex-direction:column;align-items:stretch;gap:23px;padding-top:28px}.hero-copy{padding:0}.hero-eyebrow{font-size:9px;margin-bottom:14px}.hero h1{font-size:39px;line-height:1.45;letter-spacing:3px}.hero-desc{font-size:12px;margin-top:13px}.hero .search-form{height:53px;margin-top:21px;padding-left:13px}.hero .search-form>.icon{display:block;width:18px}.hero .search-form input{font-size:11px}.hero .search-form .btn{height:40px;font-size:12px;padding:10px 20px}.hot-search{gap:13px;margin-top:13px}.hero-visual{height:255px;width:100%}.hero-photo{object-position:center 58%}.hero-note{left:17px;bottom:24px;padding:12px 16px}.hero-note>div>span{font-size:13px}.hero-note small{font-size:8px}.hero-vertical{right:20px}.stats-strip{grid-template-columns:repeat(3,1fr);padding:15px 0;row-gap:20px}.stats-strip>div{padding:0 15px!important}.stats-strip>div:nth-child(3){border:0}.stats-strip>div:nth-child(4){grid-column:1/2}.stats-strip>div:nth-child(5){grid-column:2/3}.stats-strip>p{display:block;font-size:13px;letter-spacing:2px}.stats-strip strong{font-size:23px}.stats-strip>div>span{margin-top:5px}.section-heading h2{font-size:21px}.section-heading p{font-size:10px}.section-heading>.text-link{font-size:9px;gap:4px}.section-heading>.text-link .icon{width:15px}.section-heading .eyebrow{font-size:7px}.category-card{padding:20px 19px}.category-card h3{font-size:18px}.category-card p{font-size:9px;letter-spacing:.5px}.category-count{font-size:9px}.category-grid{gap:12px}.book-grid{grid-template-columns:repeat(2,1fr);gap:23px 17px}.book-card .card-image{height:225px;padding:25px}.book-card .card-image img{max-height:180px}.book-card .card-copy h3{font-size:15px}.book-card .card-bottom{font-size:8px}.section-tabs{gap:23px}.section-tabs a{font-size:10px}.herb-grid{gap:14px}.herb-card .card-image{height:140px}.herb-card .card-copy{padding:14px 16px}.herb-card h3{font-size:19px}.card-bottom{font-size:9px}.quote-banner blockquote{font-size:16px;letter-spacing:1px}.quote-banner>p{font-size:10px}.footer-links{width:100%;justify-content:space-between}.footer-inner p{font-size:9px}.library-grid.library-books{grid-template-columns:repeat(2,1fr);gap:22px 16px}.library-grid .book-card .card-image{height:225px;padding:25px}.library-grid .book-card .card-image img{max-height:180px}.library-grid{gap:15px}.library-grid .herb-card .card-image{height:145px}.resource-card .card-image{height:120px}.resource-card .card-copy{padding:15px}.resource-card .card-copy h3{font-size:16px}.card-description{font-size:10px}.resource-card .card-label{font-size:8px}.resource-card .card-author{font-size:10px}.resource-card .card-bottom{font-size:9px}.pagination{gap:4px;font-size:10px}.pagination>a,.pagination>span{padding:0 7px;min-width:27px;height:30px}.book-detail-hero{grid-template-columns:105px 1fr;gap:19px}.book-detail-cover{min-height:160px;max-height:180px;padding:13px}.book-detail-cover img{max-height:155px}.title-line>h1{font-size:25px}.book-summary{grid-column:1/-1}.book-detail-info>.eyebrow{font-size:6px}.book-detail-info .detail-actions .btn .icon:first-child{display:none}.book-detail-info>.detail-actions{gap:7px}.detail-actions>.btn{font-size:10px;padding:8px 10px}.book-detail-info>.book-summary{max-height:185px;overflow:auto}.book-toc-panel>.section-heading{align-items:center}.toc-search{max-width:150px}.toc-search input{width:90px}.book-toc-panel h2 small{font-size:9px}.book-toc-panel h2{font-size:20px}.reading-main{padding-left:20px;padding-right:20px}.reading-article>h1{font-size:24px}.reading-settings button{width:30px;height:30px}.chapter-prose{letter-spacing:0}.search-dialog{padding:18px}.dialog-top{font-size:15px}.dialog-hint{font-size:9px}.search-dialog .search-form{padding-left:10px;gap:8px}.search-dialog .search-form .btn{padding-left:13px;padding-right:13px}.search-dialog .search-form .btn .icon{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
.herb-detail-photo{background:var(--surface);border:1px solid var(--line);border-radius:4px;margin:0 0 35px;padding:22px;text-align:center}.herb-detail-photo img{max-height:340px;max-width:100%;margin:0 auto 15px}.herb-detail-photo figcaption{font-size:10px;letter-spacing:2px;color:var(--muted)}.overview-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin:30px 0}.overview-stats>div{border:1px solid var(--line);padding:25px;background:var(--surface);border-radius:4px}.overview-stats strong{display:block;font:34px Georgia;color:var(--green)}.overview-stats span{font-size:11px;color:var(--muted);display:block;margin-top:12px}.library-overview .category-grid{margin-top:30px}.hero-desc,.section-heading p,.card-description{color:#747e6b}.card-author,.card-bottom,.card-copy .card-label{color:#7b8770}.search-form input::placeholder{color:#7c8970}.page-heading>p,.article-meta{color:#7b8870}.reading-toolbar>span{color:#839178}.shelf-tabs>button{color:#738565}
@media(min-width:1001px){.toggle-toc{display:none}}
@media(max-width:600px){.overview-stats{grid-template-columns:repeat(2,1fr);gap:14px}.overview-stats strong{font-size:27px}.overview-stats>div{padding:20px}.herb-detail-photo{padding:15px}}
.brand-mark{width:52px;height:52px;background:none;border-radius:0}.brand-mark:before{display:none}.brand-mark img{width:100%;height:100%;object-fit:contain}.brand-type small{font-size:7px;letter-spacing:.75px}.footer-brand>img{width:36px;height:36px;object-fit:contain}.footer-brand{gap:9px}.resume-note{font-size:11px;color:var(--muted);margin-top:12px}.toc-empty{padding:20px 12px;font-size:12px;color:var(--muted);line-height:1.9}.close-toc{display:none}.toc-backdrop{position:fixed;inset:0;z-index:50;background:#142c245c;backdrop-filter:blur(2px);cursor:default}body.toc-open{overflow:hidden}
@media(max-width:760px){.brand-mark{width:42px;height:42px}.brand-type small{font-size:6px;letter-spacing:.4px}.brand{gap:8px}}
@media(max-width:1000px){.reading-sidebar{z-index:60;max-width:calc(100vw - 40px)}.close-toc{position:absolute;right:12px;top:18px;display:flex}.reading-back{padding-right:28px}.reading-sidebar.is-open{box-shadow:15px 0 50px #142c2433}.toc-open .site-header{pointer-events:none}}
@media print{.site-header,.site-footer,.article-aside,.detail-actions,.reading-toolbar,.reading-sidebar,.toc-backdrop,.chapter-navigation,.search-dialog,#toast{display:none!important}.page-main,.reading-main,.reading-article{max-width:none!important;margin:0!important;padding:0!important}.article-layout,.reading-layout{display:block}.prose{color:#000!important}.reading-article h1{font-size:24px}body{background:#fff}}
/* Small generated ingredient photographs. */
.ingredient-detail-photo{width:320px;max-width:100%;margin:0 auto 24px}.ingredient-detail-photo img{display:block;width:100%;height:auto;border-radius:5px}.ingredient-detail-photo figcaption{text-align:center;color:var(--muted);font-size:11px;margin-top:8px}
/* Small generated materia medica photographs. */
.herb-detail-photo{width:320px;max-width:100%;margin:0 auto 24px}.herb-detail-photo img{width:100%;height:auto;aspect-ratio:1;object-fit:contain}
/* Small generated seasonal diet photographs. */
.diet-detail-photo{width:320px;max-width:100%;margin:0 auto 24px}.diet-detail-photo img{display:block;width:100%;height:auto;aspect-ratio:1;object-fit:contain;border-radius:5px}.diet-detail-photo figcaption{text-align:center;color:var(--muted);font-size:11px;margin-top:8px}
.medicine-detail-photo{width:320px;max-width:100%;margin:0 auto 24px}.medicine-detail-photo img{display:block;width:100%;height:auto;aspect-ratio:1;object-fit:contain;border-radius:5px}.medicine-detail-photo figcaption{text-align:center;color:var(--muted);font-size:11px;margin-top:8px}

/* Small generated classical formula composition photographs. */
.formula-detail-photo{width:320px;max-width:100%;margin:0 auto 24px}.formula-detail-photo img{display:block;width:100%;height:auto;aspect-ratio:1;object-fit:contain;border-radius:5px}.formula-detail-photo figcaption{text-align:center;color:var(--muted);font-size:11px;margin-top:8px}

/* Full brand lockup includes the approved Chinese tagline and domain. */
.brand-lockup{display:block;width:216px;height:90px;object-fit:contain}
@media(max-width:1150px){.brand-lockup{width:192px;height:80px}}
@media(max-width:760px){.brand-lockup{width:174px;height:72.5px}}

/* Shared square image frames retain their size with photos or placeholder glyphs. */
:is(.book-card,.herb-card,.resource-card) .card-image,.library-grid :is(.book-card,.herb-card,.resource-card) .card-image{display:flex;align-items:center;justify-content:center;height:auto;aspect-ratio:1;min-width:0;min-height:0;flex-shrink:0}
:is(.book-card,.herb-card,.resource-card) .card-image img,.library-grid :is(.book-card,.herb-card,.resource-card) .card-image img{width:100%;height:100%;max-width:100%;max-height:100%;min-width:0;min-height:0;object-fit:contain}
:is(.book-card,.herb-card,.resource-card):hover .card-image img{transform:none}
:is(.book-card,.herb-card,.resource-card) .card-glyph{width:100%;height:100%;min-width:0;min-height:0}
.resource-card .card-copy{padding:14px 16px}
.resource-card .card-copy h3{line-height:1.45}
.resource-card .card-description{margin:6px 0 0;line-height:1.6}
.resource-card .card-description:empty{display:none}
.resource-card .card-bottom{margin-top:10px;padding-top:0}

/* Keep all desktop card lists at four columns. */
@media(min-width:761px){.book-grid,.herb-grid,.case-grid,.library-grid,.library-grid.library-books,.library-grid:not(.library-books){grid-template-columns:repeat(4,minmax(0,1fr))}}