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@keyframes breathe{0%,100%{transform:scale(.9)}50%{transform:scale(1.08)}}
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@media(max-width:1150px){.brand img{width:180px}.brand>span{font-size:10px;padding-left:12px}.brand{gap:12px}.site-header{padding:24px 26px 30px}.site-header nav>a,.nav-menu summary{padding:12px 15px}.site-header nav{font-size:12px}.shell{width:calc(100% - 64px)}.hero{padding:44px;gap:30px}.hero h1{font-size:65px}.hero-description{font-size:16px}.hero .actions{align-items:start;flex-direction:column}.circle-panel{padding:22px 17px}.orbit-hanzi{font-size:65px}.orbit-center p{font-size:12px}.orbit-center>a{font-size:10px}.theme-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.reading-layout{grid-template-columns:170px 1fr;gap:25px}.parallel-text{gap:24px;padding:25px}.feature-band{gap:35px;padding:40px}.footer-links{gap:14px}.concept-character{min-width:50px}}
@media(max-width:900px){.site-header{flex-wrap:wrap;gap:18px}.site-header nav{margin-left:auto}.brand>span{font-size:11px}.hero{padding:36px;gap:26px}.hero h1{font-size:57px}.circle-top{font-size:8px}.circle-panel{padding:20px 12px}.orbit-hanzi{font-size:54px;margin-bottom:6px}.orbit-center .eyebrow{font-size:8px;margin-bottom:5px}.orbit-center p{font-size:11px;margin-bottom:5px}.orbit-dot{width:16px;height:16px}.orbit-dot:before{width:6px;height:6px}.theme-select{font-size:9px}.orbit-key{gap:3px 9px}.theme-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.chapter-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.three{grid-template-columns:repeat(2,minmax(0,1fr))}.three>.chapter-card:last-child:nth-child(3){grid-column:1/-1}.reading-layout{grid-template-columns:1fr}.chapter-sidebar{position:static}.chapter-sidebar details:not([open]){padding-bottom:0}.number-grid{grid-template-columns:repeat(15,1fr)}.chapter-sidebar>.text-link{display:none}.parallel-text{padding:30px}.concept-card{gap:18px;padding:25px}.concept-map{grid-template-columns:repeat(3,minmax(0,1fr))}.footer-links{flex-wrap:wrap}.practice-controls select{max-width:320px}}
@media(max-width:680px){.shell{width:calc(100% - 32px)}.site-header{padding:19px 17px 24px;gap:15px;position:relative}.brand img{width:157px}.brand{gap:10px}.brand>span{font-size:9px;letter-spacing:.12em;padding-left:10px;max-width:91px;white-space:normal;line-height:1.6}.menu-toggle{display:flex;align-items:center;gap:7px;border:1px solid var(--rule);border-radius:25px;padding:9px 12px;background:var(--panel);font-size:12px;margin-left:auto}.site-header nav{display:none;width:100%;border-radius:20px;flex-wrap:wrap;justify-content:center;gap:4px;margin:0}.site-header nav.open{display:flex}.site-header nav>a,.nav-menu summary{padding:10px 13px;font-size:12px}.nav-menu>div{right:auto;left:0;min-width:190px}.hero{grid-template-columns:1fr;border-radius:25px;padding:32px 25px;gap:34px}.hero h1{font-size:59px;line-height:1.02;letter-spacing:-.065em}.hero h1 br:nth-of-type(1){display:none}.hero h1 br:nth-of-type(3){display:none}.hero .eyebrow{font-size:10px;margin-bottom:23px}.hero-description{font-size:16px;line-height:1.75;margin-bottom:24px}.hero .actions{flex-direction:row;align-items:center;gap:13px}.hero .button{font-size:12px;gap:14px;padding:12px 18px;min-height:44px}.hero .button.secondary{padding-left:0;padding-right:0}.hero-footnote{font-size:10px;margin-top:18px}.circle-panel{padding:23px 20px;border-radius:23px;max-width:440px;width:100%;margin:auto}.circle-top{font-size:9px}.chapter-orbit{margin:18px auto}.orbit-hanzi{font-size:70px}.orbit-center p{font-size:13px;margin-bottom:9px}.orbit-center .eyebrow{font-size:9px;margin-bottom:8px}.orbit-center>a{font-size:11px}.orbit-dot{width:18px;height:18px}.orbit-dot:before{width:7px;height:7px}.theme-select{font-size:10px}.orbit-key{gap:4px 12px}.circle-panel>.small{font-size:10px}.principles{grid-template-columns:1fr;gap:16px;padding:27px 7px}.principles p{font-size:13px}.section{padding-top:48px}.section-heading{display:block;margin-bottom:24px}.section-heading h2{font-size:33px}.section-heading>.text-link{margin-top:18px}.section-heading .eyebrow{font-size:10px}.cards,.three,.two,.theme-grid,.concept-grid{grid-template-columns:1fr;gap:16px}.three>.chapter-card:last-child:nth-child(3){grid-column:auto}.chapter-card,.feature-card,.quote-card{padding:25px;border-radius:20px}.chapter-card h3{font-size:28px}.chapter-card .card-meta{margin-bottom:18px}.theme-grid{grid-template-columns:1fr 1fr;gap:12px}.theme-card{padding:20px 17px;border-radius:18px}.theme-card h3{font-size:21px}.theme-card p{font-size:13px}.theme-card .text-link{font-size:11px;gap:5px}.theme-zh{font-size:32px;margin-bottom:15px}.feature-band{grid-template-columns:1fr;gap:25px;padding:30px 25px;margin-top:48px;border-radius:25px}.feature-band h2{font-size:35px}.feature-band p{font-size:15px}.path-list>a{gap:15px;padding:20px 0}.path-list h3{font-size:20px}.path-list p{font-size:11px}.site-footer{margin-top:55px;grid-template-columns:1fr;padding-top:27px;gap:16px}.footer-links{justify-content:start;gap:14px;font-size:12px}.site-footer p{font-size:11px}.colophon{grid-column:auto}.footer-brand img{width:170px}.page-heading{padding:25px 0 30px}.page-heading .eyebrow{font-size:10px;margin-bottom:18px}.page-heading h1{font-size:43px;letter-spacing:-.055em}.lede{font-size:16px}.search-bar{padding:7px 7px 7px 17px;gap:8px;border-radius:28px}.search-bar input{font-size:14px}.search-bar .button{padding:12px 16px;font-size:12px;gap:6px}.filter-row{gap:7px}.filter,.tag{font-size:12px;padding:8px 12px}.chapter-grid{grid-template-columns:1fr}.compact h3{font-size:24px}.reading-heading{display:block;padding-bottom:25px}.reading-heading h1{font-size:42px}.reading-heading .eyebrow{font-size:10px}.reading-heading .save-button{margin-top:22px;font-size:12px;min-height:42px}.reading-heading .subtitle{font-size:14px}.breadcrumb{font-size:11px;gap:8px;margin:12px 0 28px}.reading-layout{padding-top:23px;gap:24px}.number-grid{grid-template-columns:repeat(9,1fr)}.reading-toolbar{gap:10px}.view-switch button{font-size:11px;padding:9px 11px}.text-controls{gap:1px}.text-controls button{font-size:12px;padding:6px}.parallel-text{grid-template-columns:1fr;padding:24px;gap:26px;border-radius:18px}.parallel-text .original{padding-bottom:25px;border-bottom:1px solid var(--rule)}.parallel-text[data-mode=chinese] .original{border:0;padding:0}.source-chinese{font-size:calc(var(--reading-size) + 1px);line-height:1.95}.source-english{font-size:var(--reading-size);line-height:1.85}.translation-note{font-size:11px}.reading-context{padding:24px}.reading-context h2{font-size:28px}.chapter-pagination strong{font-size:14px}.concept-card{padding:25px;gap:19px}.concept-character{font-size:36px;min-width:50px}.concept-card h2{font-size:27px}.note-box{padding:25px}.note-box h2{font-size:29px}.variant-example{grid-template-columns:1fr;gap:14px}.variant-example strong{font-size:23px}.quote-card blockquote{font-size:21px}.quote-card .quote-zh{font-size:23px}.prose{font-size:16px}.prose h2{font-size:27px}.prose .opening{font-size:23px}.practice-controls{gap:10px}.practice-controls label{font-size:12px}.practice-controls select{max-width:100%;width:100%;font-size:14px}.practice-panel{padding:30px 23px}.practice-text{font-size:21px}.concept-map{grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.concept-map button{padding:18px 9px;border-radius:15px;gap:7px}.concept-map button>span{font-size:30px}.concept-map strong{font-size:13px}.concept-map small{font-size:10px}.suggestions{gap:11px;font-size:12px}.breathing-circle{width:170px;height:170px;margin-bottom:38px}}
@media(max-width:365px){.brand img{width:132px}.brand>span{font-size:8px;max-width:70px}.menu-toggle{padding:8px 10px;font-size:11px}.hero{padding:28px 20px}.hero h1{font-size:53px}.circle-panel{padding:18px 13px}.orbit-hanzi{font-size:60px}.theme-select{font-size:9px}.theme-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
@media print{.site-header,.site-footer,.chapter-sidebar,.reading-toolbar,.save-button,.chapter-pagination,.skip,.reading-context{display:none!important}body{background:white}.shell{width:100%}.reading-layout{display:block}.parallel-text{border:0;display:block;padding:0}.parallel-text section{margin-bottom:25px}.reading-heading h1{font-size:32px}.source-english,.source-chinese{font-size:13pt}.breadcrumb{display:none}.reading-heading{padding:0}.translation-note{font-size:9pt}}

/* Small screens and touch devices use a full-size chapter control. Hidden
   desktop links are also removed from keyboard and accessibility navigation. */
.orbit-decoration,.orbit-picker,.orbit-mobile-help{display:none}
@media(max-width:900px),(pointer:coarse){
 .orbit-chapter,.orbit-desktop-help{display:none}
 .orbit-decoration{display:flex;pointer-events:none}
 .orbit-mobile-help{display:block}
 .orbit-picker{display:grid;grid-template-columns:minmax(0,1fr);gap:9px;margin:0 0 22px;text-align:left}
 .orbit-picker label{font-size:12px;font-weight:650}
 .orbit-picker select{min-width:0;width:100%;min-height:44px;padding:10px 12px;border:1px solid var(--rule);border-radius:10px;background:white;color:var(--ink);font:16px var(--sans)}
 .hero .orbit-picker .button{justify-content:center;min-height:44px;width:100%;font-size:12px;padding:12px}
}