:root{--paper:#f5f2ea;--ink:#292d29;--muted:#76796f;--line:#dcdcd1;--accent:#963f32;--serif:'Songti SC','STSong','Noto Serif CJK SC',SimSun,serif;--sans:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:14px;-webkit-font-smoothing:antialiased}button,input,select{font:inherit;color:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}button{border:0;background:none}button:focus-visible,a:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:5px}input:focus-visible{outline:none}button:disabled{opacity:.45;cursor:default}[hidden]{display:none!important}h1,h2,h3,p{margin:0}::selection{background:#dfcbb8}.skip-link{position:fixed;top:-60px;left:12px;background:var(--ink);color:white;padding:12px;z-index:20}.skip-link:focus{top:8px}
.masthead{height:96px;display:flex;align-items:center;justify-content:space-between;margin:0 5.5%;border-bottom:1px solid var(--line);gap:28px}.wordmark{display:flex;gap:13px;align-items:center;font-family:var(--serif);font-size:24px;letter-spacing:3px;font-weight:bold}.wordmark small{font-family:var(--sans);font-size:8px;font-weight:500;letter-spacing:2.2px;display:block;margin-top:5px}.seal{background:var(--accent);color:var(--paper);font:17px/1.05 var(--serif);padding:7px 5px;border-radius:2px;outline:1px solid var(--paper);outline-offset:-4px;letter-spacing:1px}.masthead nav{display:flex;gap:34px;align-items:center;height:100%;color:var(--muted);font-size:13px}.masthead nav a,.masthead nav button{height:100%;display:flex;align-items:center;padding:0;position:relative}.masthead .nav-active{color:var(--ink)}.nav-active:after{content:'';position:absolute;bottom:-1px;width:24px;height:2px;background:var(--accent);left:calc(50% - 12px)}#saved-count{font-size:10px;margin-left:7px;color:var(--accent)}.search-link{font-size:12px;border:1px solid #bec1b5;padding:11px 16px}.search-link span{margin-left:18px}
.intro{min-height:435px;display:grid;grid-template-columns:1.15fr 1fr;padding:44px 9% 30px;overflow:hidden;align-items:center}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:500;color:var(--muted)}.eyebrow span{margin:0 10px}.intro h1{font-family:var(--serif);font-size:64px;font-weight:500;letter-spacing:7px;line-height:1.25;margin:26px 0 20px}.intro h1>span{display:block;font-size:29px;letter-spacing:14px;margin-top:10px;color:#656a5e}.intro-description{color:#74796c;line-height:1.95;font-size:13px;letter-spacing:1px}.browse-link{display:inline-flex;align-items:center;gap:48px;color:var(--accent);border-bottom:1px solid #c2aaa0;font-size:12px;padding:0 0 10px;margin-top:30px}.book-scene{height:350px;position:relative;perspective:1200px;isolation:isolate}.orbit{position:absolute;border:1px solid #d7d8ca;border-radius:50%;z-index:-1}.orbit-one{height:318px;width:318px;left:10%;top:8px}.orbit-two{height:260px;width:260px;left:16%;top:37px;border-style:dashed;opacity:.7}.scene-note{position:absolute;right:2%;top:27px;writing-mode:vertical-rl;font:12px var(--serif);letter-spacing:6px;color:#8b8e80}.volume{position:absolute;width:167px;height:248px;box-shadow:8px 16px 24px #242d2520;border-radius:1px 4px 4px 1px;background:#485e53;transform:rotate(-12deg);left:15%;top:40px;border-right:6px double #e1d8bd;border-bottom:4px double #d8ceb4}.volume-back{background:#999776;transform:rotate(13deg);left:48%;top:25px;width:145px;height:235px}.volume-back>span{writing-mode:vertical-rl;background:#ede6d1;position:absolute;top:17px;right:20px;padding:12px 9px;font:27px var(--serif);letter-spacing:8px}.volume-back>small{position:absolute;bottom:15px;left:14px;font:10px var(--serif);color:#e6e3d4;letter-spacing:2px}.volume-front{background:repeating-linear-gradient(90deg,transparent 0 3px,#ffffff03 3px 4px),#465e51}.book-label{position:absolute;top:19px;right:22px;writing-mode:vertical-rl;padding:13px 8px;background:#e8dfc4;box-shadow:0 0 0 1px #e8dfc4,0 0 0 4px #e8dfc433;font:29px/1.4 var(--serif);letter-spacing:6px}.book-label small{font:9px/1.7 var(--serif);letter-spacing:2px;margin-top:6px;padding-right:3px}.binding{position:absolute;top:0;bottom:0;left:15px;border-right:1px solid #c4c5a355;display:flex;flex-direction:column;justify-content:space-around}.binding i{width:15px;height:2px;background:#cac7aa;transform:rotate(-15deg);margin-right:-1px}.book-stamp{position:absolute;bottom:18px;right:19px;font:17px var(--serif);color:#d9cdb0;border:1px solid #d9cdb0;padding:2px;opacity:.7}.scene-caption{position:absolute;bottom:0;left:24%;text-align:center;font:12px var(--serif);letter-spacing:7px;color:#6d7768}.scene-caption small{display:block;font:9px var(--sans);letter-spacing:2px;margin-top:10px;color:#92978a}.intro-copy{animation:rise .65s ease both}.book-scene{animation:rise .85s .08s ease both}
.collection-summary{margin:0 5.5%;border-block:1px solid var(--line);display:flex;align-items:center;gap:36px;padding:19px 0;font-size:11px;color:var(--muted)}.collection-summary strong{font-size:15px;font-weight:500;color:var(--ink);margin:0 4px}.collection-summary i{display:inline-block;height:9px;border-left:1px solid var(--line);margin:0 17px}.edition{margin-left:auto;letter-spacing:1px;font-size:10px}.catalog-section{padding:52px 5.5% 64px;display:grid;grid-template-columns:190px minmax(0,1fr);gap:48px}.shelves{align-self:start;position:sticky;top:28px}.collection-nav{margin-top:24px;display:flex;flex-direction:column;gap:3px}.collection-nav button{display:flex;align-items:center;justify-content:space-between;text-align:left;padding:12px 13px;font-size:12px;color:#73776d;border-left:2px solid transparent;transition:background .2s,color .2s}.collection-nav button:hover{background:#eae9df;color:var(--ink)}.collection-nav button.active{background:#eae6db;color:var(--accent);border-left-color:var(--accent)}.collection-nav small{font-size:10px;font-weight:400;opacity:.7;font-variant-numeric:tabular-nums}.shelf-note{border-top:1px solid var(--line);margin-top:32px;padding:23px 12px}.tiny-seal{font:18px var(--serif);color:var(--accent);border:1px solid #b88c7a;padding:2px 4px;display:inline-block;margin-bottom:14px}.shelf-note h3{font:17px var(--serif);letter-spacing:2px}.shelf-note p{font-size:11px;line-height:1.9;color:var(--muted);margin:10px 0 16px}.shelf-note a{font-size:10px;color:#737b6b}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:16px}.section-heading h2{font:30px var(--serif);letter-spacing:2px;margin-top:11px}.section-heading h2 span{font:11px var(--sans);letter-spacing:0;color:var(--muted);margin-left:13px}.text-button{padding:6px 0;font-size:11px;color:var(--accent)}.catalog-search{margin:24px 0 13px;border:1px solid #cfd1c5;display:flex;align-items:center;background:#faf8f3;height:47px;gap:12px;padding:0 14px;transition:border-color .2s}.catalog-search:focus-within{border-color:var(--accent)}.catalog-search>span{font:28px Georgia,serif;color:#899080}.catalog-search input{min-width:0;flex:1;background:transparent;border:0;font-size:12px}.catalog-search input::placeholder{color:#93968c}.catalog-search kbd{font-size:11px;border:1px solid var(--line);padding:2px 6px;color:#9a9c93}.filter-line{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:10px;color:var(--muted);margin-bottom:24px;line-height:1.6}.filter-line label{flex-shrink:0}.filter-line select{border:0;background:transparent;margin-left:5px;padding:6px;font-size:10px;max-width:120px}.book-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));column-gap:23px;row-gap:32px}.book-item{min-width:0;animation:rise .35s ease both}.cover-button{width:100%;padding:0;display:block;text-align:inherit}.cover-stage{height:195px;display:grid;place-items:center;position:relative;overflow:hidden;background:#eaeade;transition:background .25s}.mini-book{position:relative;width:100px;height:149px;background:#465d51;box-shadow:5px 7px 10px #29332920;border-right:4px double #dfd4b5;border-bottom:2px solid #c9bca2;transition:transform .3s,box-shadow .3s;transform:rotate(-4deg);display:block}.mini-book:before{content:'';position:absolute;left:10px;top:0;bottom:0;border-right:1px solid #d5ccb844}.mini-book:after{content:'';position:absolute;left:4px;width:13px;top:20px;height:104px;background:repeating-linear-gradient(0deg,transparent 0 24px,#d5ccb8 24px 25px,transparent 25px 26px);opacity:.75}.mini-label{position:absolute;right:12px;top:12px;bottom:23px;writing-mode:vertical-rl;background:#e9e2cb;color:#364035;padding:8px 6px;font:19px/1.25 var(--serif);letter-spacing:3px;max-height:126px}.mini-label.long-title{font-size:14px;letter-spacing:1px}.mini-seal{position:absolute;left:20px;bottom:12px;color:#e9e2cb;font:8px var(--serif);border:1px solid #e9e2cb66;padding:2px}.cover-caption{position:absolute;bottom:12px;left:13px;font-size:8px;letter-spacing:1px;color:#767f6e}.cover-arrow{position:absolute;right:13px;bottom:10px;color:#767f6e;font-size:16px;transition:transform .2s}.cover-button:hover .mini-book{transform:rotate(0) translateY(-5px);box-shadow:7px 13px 14px #29332925}.cover-button:hover .cover-arrow{transform:translate(3px,-3px)}.cover-stage.renji{background:#ebe6db}.renji .mini-book{background:#817151}.cover-stage.huangyuanyu{background:#e7e8db}.huangyuanyu .mini-book{background:#646b4e}.cover-stage.tianji{background:#e4e7e5}.tianji .mini-book{background:#495a61}.cover-stage.formulas-acupuncture{background:#eae3d8}.formulas-acupuncture .mini-book{background:#846251}.cover-stage.cases{background:#e8e3db}.cases .mini-book{background:#7c695d}.cover-stage.research-tools{background:#e3e6df}.research-tools .mini-book{background:#5c6860}.book-meta{padding-top:14px;position:relative}.book-meta .category-label{font-size:9px;color:#858b7c;letter-spacing:1px;margin-bottom:7px}.book-title{display:block;font:19px var(--serif);letter-spacing:1px;line-height:1.5;text-align:left;padding:0 25px 0 0}.book-title:hover{color:var(--accent)}.bookmark{position:absolute;right:0;top:30px;color:#93998a;font-size:21px;padding:0 1px}.bookmark.is-saved{color:var(--accent)}.book-coverage{font-size:11px;line-height:1.7;color:var(--muted);margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:37px}.book-type{display:inline-block;margin-top:11px;font-size:9px;padding:3px 5px;border:1px solid #d9d9cd;color:#727b69}.catalog-end{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line);margin-top:36px;padding-top:20px;font-size:10px;color:var(--muted)}.catalog-end a{color:var(--accent)}.empty-results{text-align:center;padding:65px 10px}.empty-results>span{font:28px var(--serif);letter-spacing:5px}.empty-results p{margin:15px;color:var(--muted);font-size:12px}.loading-message{padding:40px 0;color:var(--muted)}
.sources-section{padding:45px 5.5% 58px;background:#eeede4;border-block:1px solid var(--line)}.sources-section>.section-heading>p{color:var(--muted);font-size:11px;line-height:1.9}.source-rows{margin-top:30px;display:grid;grid-template-columns:1fr 1fr;column-gap:48px}.source-row{display:grid;grid-template-columns:27px 1fr auto;gap:13px;padding:19px 0;border-top:1px solid #d8dacd;align-items:start}.source-number{color:#969d8b;font:11px Georgia,serif;margin-top:3px}.source-row h3{font:15px var(--serif);margin-bottom:6px}.source-row p{font-size:10px;line-height:1.7;color:var(--muted)}.source-row>a{padding:6px;color:#818975}.about-section{display:grid;grid-template-columns:1fr 2fr;gap:70px;padding:66px 7%}.about-section h2{font:36px/1.65 var(--serif);margin-top:17px;letter-spacing:3px}.about-copy>p{font:16px/2 var(--serif);color:#636a5d;max-width:670px}.about-columns{display:grid;grid-template-columns:1fr 1fr;gap:35px;border-top:1px solid var(--line);margin-top:24px;padding-top:24px}.about-columns h3{font-size:12px;margin-bottom:10px;font-weight:500}.about-columns p{font-size:11px;line-height:1.9;color:var(--muted)}code{font-size:11px;color:var(--accent)}.site-footer{margin:0 5.5%;border-top:1px solid var(--line);padding:25px 0 30px;display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:10px}.site-footer>a:first-child{font:17px var(--serif);color:var(--ink);letter-spacing:2px}.site-footer>a:first-child span{font:9px var(--sans);letter-spacing:0;margin-left:12px;color:var(--muted)}
dialog{padding:0;border:1px solid var(--line);background:var(--paper);color:var(--ink);width:min(850px,calc(100vw - 32px));max-height:calc(100svh - 48px);box-shadow:0 25px 100px #17241b33;overscroll-behavior:contain}dialog::backdrop{background:#222b265e;backdrop-filter:blur(4px)}dialog[open]{animation:rise .2s ease}.close-dialog{position:absolute;right:14px;top:12px;font:28px var(--sans);color:var(--muted);width:36px;height:36px;z-index:2;background:var(--paper)}.detail-top{padding:40px;display:grid;grid-template-columns:150px 1fr;gap:30px;border-bottom:1px solid var(--line)}.detail-top .cover-stage{height:205px}.detail-top h2{font:29px/1.5 var(--serif);margin:10px 20px 12px 0;letter-spacing:2px}.detail-top p{color:var(--muted);font-size:12px;line-height:1.9}.detail-actions{margin-top:18px;display:flex;flex-wrap:wrap;gap:10px}.primary-button{background:var(--accent);color:var(--paper);padding:10px 17px;font-size:12px;display:inline-block}.secondary-button{border:1px solid #bdc3b3;padding:9px 15px;font-size:12px;display:inline-block}.detail-body{padding:27px 40px 35px}.detail-body h3{font-size:13px;font-weight:500;margin-bottom:9px}.detail-body p{font-size:12px;line-height:1.9;color:var(--muted);margin-bottom:20px}.detail-source{padding:12px 0;border-top:1px solid var(--line);display:flex;align-items:start;justify-content:space-between;gap:20px;font-size:12px}.detail-source small{display:block;color:var(--muted);font-size:10px;line-height:1.8;margin-top:5px;overflow-wrap:anywhere}.detail-source a{color:var(--accent);font-size:11px;flex-shrink:0}.reader{border-top:1px solid var(--line);padding:26px 40px 35px}.reader-head{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:14px}.reader h3{font:19px var(--serif)}.reader select{width:100%;padding:10px;background:#faf8f3;border:1px solid var(--line);font-size:11px;margin-bottom:18px}.reader-text{white-space:pre-wrap;overflow-wrap:anywhere;font:16px/2 var(--serif);max-height:50vh;overflow:auto;padding:20px;background:#faf8f3;border:1px solid var(--line)}.reader-section{font-size:12px;color:var(--muted);margin-bottom:10px}.reader-controls{display:flex;justify-content:space-between;align-items:center;gap:12px;padding-top:16px;font-size:11px}.toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%);padding:12px 22px;background:var(--ink);color:var(--paper);font-size:12px;z-index:20;box-shadow:0 4px 20px #0002}
.close-dialog{position:sticky;float:right;top:12px;margin-right:14px;margin-bottom:-36px}.reader-text{white-space:normal}.reader-text p{white-space:pre-wrap;margin:0 0 14px}.reader-text h4{font-size:18px;margin:15px 0}.reader-text blockquote{font:12px/1.8 var(--sans);color:var(--muted);margin:10px 0;padding-left:12px;border-left:2px solid #c8c8b8}.reader-text pre{white-space:pre-wrap;font:12px/1.7 monospace}.reader-text hr{border:0;border-top:1px solid var(--line);margin:20px 0}
.read-entry{display:block;font-size:12px;color:var(--accent);padding:12px 0 0}.detail-body summary{cursor:pointer;font-size:13px;color:var(--muted);padding:2px 0}.detail-body[open] summary{margin-bottom:20px}.reader-head{flex-wrap:wrap}.reader-head .text-button{margin-left:auto}.reader-text{min-height:230px;max-height:52vh;line-height:2.1}.reader-section{overflow-wrap:anywhere}.detail-top{padding-block:28px;grid-template-columns:95px 1fr}.detail-top .cover-stage{height:140px}.detail-top .mini-book{scale:.72}.detail-top .cover-caption,.detail-top .cover-arrow{display:none}.detail-top h2{margin-top:5px;font-size:26px}.detail-top .detail-actions{margin-top:12px}
@keyframes rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1500px){.masthead,.collection-summary,.site-footer{max-width:1360px;margin-inline:auto}.intro,.catalog-section,.sources-section,.about-section{padding-inline:max(5.5%,calc((100vw - 1360px)/2))}.intro{padding-inline:max(9%,calc((100vw - 1230px)/2))}.cover-stage{height:225px}}
@media(max-width:1050px){.catalog-section{grid-template-columns:160px 1fr;gap:25px}.intro{padding-inline:7%;min-height:400px}.intro h1{font-size:53px}.volume-back{left:44%}.scene-note{right:0}.book-grid{gap:28px 16px}.cover-stage{height:178px}.masthead nav{gap:22px}.filter-line p{max-width:60%}.book-title{font-size:17px}}
@media(max-width:760px){html{scroll-padding-top:20px}.masthead{height:78px;margin-inline:6%;gap:12px}.wordmark{font-size:20px;gap:9px}.wordmark small{font-size:7px;letter-spacing:1.4px}.seal{font-size:14px}.masthead nav{display:none}.search-link{font-size:10px;padding:9px 11px}.search-link span{margin-left:8px}.intro{min-height:340px;padding:27px 6% 25px;grid-template-columns:1fr 160px}.intro h1{font-size:39px;letter-spacing:3px;margin:22px 0 16px}.intro h1>span{font-size:22px;letter-spacing:10px}.intro .eyebrow{font-size:8px;letter-spacing:1px}.intro .eyebrow span{margin:0 3px}.intro-description{font-size:11px;letter-spacing:0}.browse-link{margin-top:22px;gap:30px;font-size:11px}.book-scene{height:270px;transform-origin:center;overflow:visible}.orbit-one{width:200px;height:200px;left:-30px;top:32px}.orbit-two{width:164px;height:164px;left:-12px;top:50px}.volume{width:110px;height:175px;left:-5px;top:55px}.volume-back{width:91px;height:154px;left:58px;top:37px}.volume-back>span{font-size:19px;right:11px;padding:10px 6px}.volume-back>small{font-size:7px;left:8px}.book-label{font-size:21px;right:14px;padding:9px 4px;top:16px}.book-label small{font-size:7px}.book-stamp{font-size:12px;bottom:11px;right:11px}.binding{left:9px}.binding i{width:9px}.scene-note{display:none}.scene-caption{bottom:4px;left:1%;font-size:9px;letter-spacing:4px}.scene-caption small{font-size:7px}.collection-summary{margin-inline:6%;flex-wrap:wrap;gap:9px 20px;padding:15px 0;font-size:10px}.collection-summary strong{font-size:13px}.edition{display:none}.catalog-section{display:block;padding:28px 6% 40px}.shelves{position:static}.shelves>.eyebrow,.shelf-note{display:none}.collection-nav{flex-direction:row;overflow:auto;margin:0 -6.8% 30px;padding:0 6%;gap:8px;scrollbar-width:none}.collection-nav button{white-space:nowrap;padding:10px 12px;border:1px solid var(--line);gap:8px;font-size:11px}.collection-nav button.active{border-color:var(--accent)}.section-heading h2{font-size:26px}.catalog-search{margin-top:20px}.catalog-search input{font-size:11px}.catalog-search kbd{display:none}.filter-line{align-items:start;font-size:9px}.filter-line p{max-width:55%}.filter-line label{font-size:0}.filter-line select{font-size:10px;padding:0}.book-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 17px}.cover-stage{height:185px}.book-title{font-size:18px}.book-coverage{font-size:10px}.book-type{font-size:8px}.catalog-end{font-size:9px}.sources-section{padding:35px 6%}.sources-section>.section-heading>p{display:none}.source-rows{grid-template-columns:1fr;margin-top:24px}.about-section{display:block;padding:40px 6%}.about-section h2{font-size:29px;margin:12px 0 25px}.about-section h2 br{display:none}.about-copy>p{font-size:15px}.about-columns{gap:22px}.site-footer{margin-inline:6%;flex-wrap:wrap;font-size:9px}.site-footer>a:first-child{width:100%}.detail-top{padding:50px 22px 25px;grid-template-columns:90px 1fr;gap:17px}.detail-top .cover-stage{height:145px}.detail-top .mini-book{transform:scale(.73)}.detail-top .cover-caption,.detail-top .cover-arrow{display:none}.detail-top h2{font-size:24px;margin:6px 0 9px}.detail-top p{font-size:11px}.detail-body,.reader{padding:23px}.detail-actions{gap:8px}.primary-button,.secondary-button{font-size:11px;padding:9px 12px}.reader-text{font-size:15px;padding:14px}}
@media(max-width:430px){.book-scene{scale:.84;transform-origin:center center}.intro-description{max-width:175px}}
@media(max-width:380px){.intro{grid-template-columns:1fr 123px}.intro h1{font-size:35px}.book-scene{scale:.78;transform-origin:left center}.cover-stage{height:170px}.book-grid{column-gap:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}