/* Jianshan editorial typography — self-hosted Chinese fonts, consistent on Windows and mobile. */
:root{--serif:'Jianshan Serif','Noto Serif CJK SC',serif;--sans:'Jianshan Sans','PingFang SC','Microsoft YaHei',sans-serif;--muted:#b5beb1}
body{font-family:var(--sans);font-size:15px;font-weight:400;font-synthesis:none;font-optical-sizing:auto;text-rendering:optimizeLegibility}
button,input,summary{font-synthesis:none}
h1,h2,h3,h4{font-family:var(--serif);font-weight:400}
.site-header{min-height:88px}
.brand-word b{font-family:var(--serif);font-weight:500;font-size:27px;letter-spacing:.12em}
.brand-word small,.brand-level small,.footer-english{font-size:9px;letter-spacing:.16em}
.brand-level{font-size:13px;letter-spacing:.1em;font-weight:400}
.desktop-nav{font-size:14px;letter-spacing:.035em;gap:30px;font-weight:400}
.header-cta{font-size:14px;letter-spacing:.035em;font-weight:500;gap:16px}
.hero{min-height:790px}
.hero-content{padding-block:82px 112px}
.hero>.hero-content>.eyebrow{font-size:12px;letter-spacing:.12em;font-weight:400}
.hero h1{font-family:var(--serif);font-weight:400;font-size:clamp(68px,6.2vw,90px);line-height:1.32;letter-spacing:.035em;margin-top:30px}
.hero h1 span{margin-top:0}
.hero-subtitle{font-family:var(--serif);font-weight:400;font-size:23px;line-height:1.7;letter-spacing:.025em;margin-top:27px;color:#e1c89c}
.hero-description{font-size:16px;line-height:2;letter-spacing:.015em;color:#c0c8bc;max-width:560px;margin-top:22px}
.hero-actions{margin-top:34px;gap:28px}
.button{font-family:var(--sans);font-size:14px;font-weight:500;letter-spacing:.025em;min-height:54px;padding:15px 25px}
.text-link{font-family:var(--sans);font-size:14px;font-weight:400;letter-spacing:.025em}
.hero-signature{font-size:12px;letter-spacing:.11em;margin-top:39px;color:#b9c2b4}
.hero-signature small{font-size:9px;line-height:1.7;letter-spacing:.17em;margin-top:8px}
.hero-foot{font-size:10px;letter-spacing:.09em}
.hero-seal{font-family:var(--serif);font-weight:500}
h2{font-family:var(--serif);font-size:42px;line-height:1.5;font-weight:400;letter-spacing:.025em}
.folio,.eyebrow,.section-no{font-family:var(--sans);font-size:12px;font-weight:500;letter-spacing:.1em}
.credential-strip span{font-size:13px;letter-spacing:.025em}
.credential-strip b{font-family:var(--serif);font-size:25px;font-weight:400}
.preface-writing h2{font-size:42px;line-height:1.55;letter-spacing:.015em}
.editorial-kicker{font-size:12px;letter-spacing:.08em}
.preface-writing>.preface-lead{font-size:21px;font-weight:400;line-height:1.8}
.preface-writing>p:not(.editorial-kicker):not(.preface-lead){font-size:16px;line-height:2;color:#4e5a4b;text-align:left}
.preface-writing blockquote{font-size:25px;line-height:1.85;font-weight:400;letter-spacing:.015em}
.teacher-signature strong{font-size:31px;font-weight:500}
.teacher-signature>div>span{font-size:11px}
.margin-note{font-size:17px}
.thesis-title>p,.editorial-heading>p{font-size:15px;line-height:1.95}
.thesis-list h3{font-size:26px;line-height:1.6;font-weight:400}
.thesis-list p{font-size:15px;line-height:1.95}
.editorial-heading h2{font-size:42px;line-height:1.5;letter-spacing:.015em}
.seminar-tabs button{padding:24px 22px;gap:9px 14px}
.seminar-tabs button>b{font-family:var(--serif);font-size:24px;font-weight:500;letter-spacing:.015em}
.seminar-tabs button>small{font-size:12px;line-height:1.8;font-weight:400}
.case-label,.case-reading-label,.case-reading>.case-reading-label{font-size:12px;letter-spacing:.04em;font-weight:500}
.case-question h3{font-size:33px;line-height:1.6;font-weight:400;letter-spacing:.015em}
.case-question>p{font-size:15px;line-height:1.95}
.board-topline,.board-label,.hands-line small{font-size:12px;letter-spacing:.035em}
.model-inputs>div{font-size:12px;line-height:1.9}
.case-controls button{font-size:13px;min-height:44px;font-weight:500}
.case-figures span,.case-figures small{font-size:12px;line-height:1.75}
.case-figures strong{font-size:33px;font-weight:400}
.case-reading>p:not(.case-reading-label):not(.case-formula){font-size:15px;line-height:1.95}
.case-reading>.case-formula{font-size:17px;line-height:1.8}
.deeper-question>b{font-size:12px;font-weight:500;letter-spacing:.06em}
.deeper-question>p{font-size:14px;line-height:2}
.case-source{font-size:12px;line-height:1.95;color:#626d5c}
.case-insights h4{font-size:23px;font-weight:400;line-height:1.6}
.case-insights p,.comparison-top>p{font-size:14px;line-height:1.95}
.case-table caption{font-size:12px}
.case-table thead th{font-family:var(--sans);font-size:13px;font-weight:500;line-height:1.7}
.case-table td,.case-table tbody th{font-size:23px;font-weight:400}
.combination-count{font-size:13px}
.seminar-conclusion>p{font-size:22px;line-height:1.9}
.volume-heading>span{font-size:14px;font-weight:500}
.volume-heading h3{font-size:32px;font-weight:400;letter-spacing:.035em}
.volume-heading>p{font-size:13px;line-height:1.9}
.chapter summary>div{font-family:var(--serif);font-size:25px;font-weight:500;line-height:1.55;letter-spacing:.015em}
.chapter summary small{font-family:var(--sans);font-size:14px;line-height:1.85;font-weight:400;color:#a9b5a3;letter-spacing:0}
.chapter-content>p{font-size:15px;line-height:2;color:#b6c0ae}
.chapter-content>.chapter-outcome>b{font-size:12px;font-weight:500;letter-spacing:.08em}
.curriculum-note{font-size:13px;line-height:1.95;grid-template-columns:92px 1fr}
.tutorial-narrative h3{font-size:30px;font-weight:400;line-height:1.6}
.tutorial-narrative>p{font-size:15px;line-height:2;color:#586650}
.tutorial-steps h3{font-size:24px;font-weight:500;line-height:1.55}
.tutorial-steps p{font-size:14px;line-height:1.95;color:#616f58}
.learning-standard h3{font-size:27px;font-weight:400}
.learning-standard>ol{font-size:15px;line-height:2.05}
.tutorial-fit{grid-template-columns:86px 1fr}
.tutorial-fit>b,.tutorial-fit>p{font-size:13px;line-height:1.95;font-weight:400}
.admission-heading h2{font-size:42px;font-weight:400}
.admission-heading>p{font-size:15px;line-height:2}
.admission-paths>div>span{font-size:12px;letter-spacing:.06em}
.admission-paths h3{font-size:27px;line-height:1.6;font-weight:400;letter-spacing:.015em}
.admission-paths p{font-size:14px;line-height:1.95}
.admission-signature{font-size:20px;font-weight:400}
.admission-action{gap:24px}
.admission-action p{font-size:13px;max-width:260px;line-height:1.85}
.enrollment-grid>div>p{font-size:14px;line-height:1.95}
.enrollment-steps h3{font-size:25px;font-weight:400;line-height:1.55}
.enrollment-steps p{font-size:14px;line-height:1.95}
.policy-heading h2{font-size:36px}
.policy-heading>p,.policy-grid summary{font-size:14px;line-height:1.85;font-weight:400}
.policy-grid details>p{font-size:14px;line-height:1.95}
.footer-wordmark{font-size:44px;font-weight:400;letter-spacing:.2em;text-indent:.2em}
.footer-motto{font-size:22px;font-weight:400;letter-spacing:.035em}
.footer-bottom{font-size:11px;line-height:1.8;letter-spacing:.025em}
.plan-dialog-brand{font-size:19px;font-weight:400;letter-spacing:.035em}
.plan-dialog-brand small{font-size:9px;letter-spacing:.13em}
.plan-dialog-heading .folio{font-size:11px;letter-spacing:.08em}
.plan-dialog-heading h2{font-size:30px;font-weight:400;line-height:1.55}
.plan-dialog-heading p{font-size:14px;line-height:1.9}
.plan-dialog .plan-topline{font-size:11px;letter-spacing:.1em}
.plan-dialog .plan-name{font-size:25px;font-weight:500;line-height:1.55;letter-spacing:.015em}
.plan-dialog .plan-name em{font:400 11px/1.5 var(--sans);letter-spacing:0}
.plan-dialog .plan-hours>span{font-size:14px;letter-spacing:.03em}
.plan-dialog .plan-hours small{font-size:12px;letter-spacing:0}
.plan-dialog .plan-description{font-size:14px;min-height:106px;line-height:1.9}
.plan-dialog .plan-price>b{font:400 40px/1.25 var(--serif);letter-spacing:-.025em}
.plan-dialog .plan-price-caption{font-size:12px;line-height:1.9}
.plan-dialog .plan-features{font-size:13px;line-height:1.85;gap:10px}
.plan-dialog .plan-select{font-size:13px;letter-spacing:.025em}
.plan-dialog .pricing-note,.plan-dialog .pricing-note>span{font-size:12px;line-height:1.9}
.plan-dialog-selection>span{font-size:13px;line-height:1.8}
.plan-dialog-selection>strong{font:400 31px/1.3 var(--serif);letter-spacing:-.025em}
.plan-dialog-footer>.button{font-size:14px;letter-spacing:.025em;min-height:50px}
.dialog-brand{font-size:20px;font-weight:400;letter-spacing:.025em}
.dialog-content>.eyebrow{font-size:10px;letter-spacing:.12em}
.dialog-content>h2{font-size:29px;line-height:1.5;font-weight:400}
.dialog-intro,.change-plan{font-size:13px;line-height:1.85}
.order-summary>div{font-size:14px;line-height:1.85}
.order-final>strong{font-family:var(--serif);font-size:29px;font-weight:400}
.terms-check{font-size:13px;line-height:1.9}
.payment-placeholder{font-size:13px}
.payment-code p,.payment-note{font-size:12px;line-height:1.9}
.order-remark>span{font-size:12px}
.order-remark>b,.order-remark button{font-size:13px;font-weight:400}
.dialog-action{font-size:14px}
.toast,.dialog-toast{font-size:13px;line-height:1.8}
@media(max-width:1100px){.desktop-nav{gap:20px;font-size:13px}.header-cta{font-size:13px}.admission-action{flex-direction:column;align-items:flex-start}.plan-dialog .plan-name{font-size:23px}.plan-dialog .plan-description{min-height:132px}.case-figures strong{font-size:30px}}
@media(max-width:800px){.site-header{min-height:80px}.brand-word b{font-size:25px}.brand-word small,.brand-level small{font-size:8px}.hero{min-height:760px}.hero h1{font-size:70px}.hero-content{padding-block:72px 108px}.hero-subtitle{font-size:21px}.hero-description{font-size:15px;max-width:470px}.hero>.hero-content>.eyebrow{font-size:11px;letter-spacing:.065em}.hero-actions>.button{font-size:14px}.hero-actions .text-link{font-size:13px}h2,.editorial-heading h2,.preface-writing h2,.admission-heading h2{font-size:35px}.preface-writing>p:not(.editorial-kicker):not(.preface-lead){font-size:15px}.preface-writing blockquote{font-size:23px}.thesis-title>p,.editorial-heading>p{font-size:14px}.thesis-list h3{font-size:25px}.thesis-list p{font-size:14px}.seminar-tabs button>b{font-size:22px}.seminar-tabs button>small{font-size:11px}.case-question h3{font-size:29px}.case-question>p{font-size:14px}.case-reading>p:not(.case-reading-label):not(.case-formula){font-size:14px}.case-insights h4{font-size:22px}.case-table td,.case-table tbody th{font-size:21px}.chapter summary>div{font-size:24px}.chapter-content>p{font-size:14px}.tutorial-narrative h3{font-size:28px}.tutorial-narrative>p{font-size:14px}.tutorial-steps h3{font-size:23px}.admission-paths h3{font-size:25px}.admission-action{flex-direction:row;align-items:center}.plan-dialog .plan-name{font-size:22px}.plan-dialog .plan-description{min-height:158px;font-size:14px}.plan-dialog .plan-price>b{font-size:36px}.plan-dialog-selection>strong{font-size:29px}.plan-dialog-footer>.button{font-size:13px}.plan-dialog-selection>span{font-size:12px}}
@media(max-width:640px){.plan-dialog-heading h2{font-size:27px;max-width:300px}.plan-dialog-heading p{font-size:14px}.plan-dialog-brand{font-size:17px}.plan-dialog-brand small{font-size:8px}.plan-dialog .plan-name{font-size:25px}.plan-dialog .plan-description{min-height:0;font-size:14px}.plan-dialog .plan-features{font-size:13px}.plan-dialog .plan-price>b{font-size:38px}.plan-dialog .plan-price-caption{font-size:12px}.plan-dialog .pricing-note,.plan-dialog .pricing-note>span{font-size:12px}.plan-dialog-selection>span{font-size:11px}.plan-dialog-selection>strong{font-size:28px}.plan-dialog-footer>.button{min-width:137px;font-size:13px;padding-inline:15px;gap:15px}.dialog-content{padding:30px 24px}.dialog-content>h2{font-size:27px}.dialog-brand{font-size:19px}.order-summary>div{font-size:13px}.order-final>strong{font-size:27px}.terms-check{font-size:12px}.dialog-action{font-size:14px}}
@media(max-width:540px){.site-header{padding:12px 18px}.header-cta{font-size:12px;gap:10px;padding-left:0;letter-spacing:.025em}.brand-word b{font-size:24px}.brand-word small{font-size:8px}.brand>img{width:36px;height:36px}.hero{min-height:790px}.hero-content{padding:64px 4px 118px}.hero h1{font-size:58px;line-height:1.32;letter-spacing:.025em;margin-top:26px}.hero>.hero-content>.eyebrow{font-size:10px;letter-spacing:.02em;gap:8px;line-height:1.9}.hero-subtitle{font-size:19px;line-height:1.7;letter-spacing:0;margin-top:24px}.hero-description{font-size:14px;line-height:2;max-width:330px;letter-spacing:0;margin-top:21px}.hero-actions{flex-wrap:wrap;gap:12px 24px;margin-top:27px}.hero-actions>.button{font-size:13px;min-height:50px;gap:22px;padding:14px 18px;letter-spacing:.02em}.hero-actions .text-link{font-size:12px;gap:10px;letter-spacing:0}.hero-signature{font-size:11px;letter-spacing:.05em;margin-top:30px}.hero-signature small{font-size:8px;letter-spacing:.09em}.hero-foot>span:first-child{font-size:8px;letter-spacing:.035em}.hero-foot>span:last-child{font-size:9px;letter-spacing:0}.credential-strip span{font-size:11px;gap:10px;line-height:1.8}.credential-strip b{font-size:22px}.credential-strip span:last-child img{width:22px;height:22px}.folio,.eyebrow,.section-no{font-size:11px;letter-spacing:.08em}h2,.editorial-heading h2,.preface-writing h2,.admission-heading h2{font-size:30px;line-height:1.55;letter-spacing:.01em}.preface-writing>.preface-lead{font-size:19px}.preface-writing>p:not(.editorial-kicker):not(.preface-lead){font-size:14px;line-height:2}.preface-writing blockquote{font-size:20px;line-height:1.85;padding-left:16px}.editorial-kicker{font-size:11px}.teacher-signature strong{font-size:29px}.teacher-signature>div>span{font-size:10px}.thesis-title>p,.editorial-heading>p{font-size:14px;line-height:1.9}.thesis-list h3{font-size:23px;line-height:1.55}.thesis-list p{font-size:14px;line-height:1.95}.thesis-list article{gap:14px}.seminar-tabs button{padding:19px 10px;gap:9px}.seminar-tabs button>b{font-size:19px;letter-spacing:0}.seminar-tabs button>span{font-size:13px}.seminar-tabs button>small{font-size:10px;line-height:1.8}.case-panel{padding:28px 18px 24px}.case-label,.case-reading-label,.case-reading>.case-reading-label{font-size:11px;line-height:1.85;letter-spacing:0}.case-question h3{font-size:25px;line-height:1.6}.case-question>p{font-size:14px;line-height:1.95}.board-topline,.board-label,.hands-line small{font-size:11px}.model-inputs>div{font-size:11px;line-height:1.9}.case-controls button{font-size:12px;padding:10px 5px}.case-figures{gap:18px}.case-figures strong{font-size:29px}.case-figures span,.case-figures small{font-size:11px}.case-reading>.case-formula{font-size:14px;line-height:1.9}.case-reading>p:not(.case-reading-label):not(.case-formula){font-size:14px;line-height:1.95}.deeper-question>b{font-size:11px}.deeper-question>p,.case-insights p,.comparison-top>p{font-size:14px;line-height:1.95}.case-source{font-size:11px;line-height:1.95}.case-insights h4{font-size:22px}.case-table caption{font-size:11px}.case-table thead th{font-size:11px;line-height:1.8}.case-table td,.case-table tbody th{font-size:18px}.case-table th,.case-table td{padding-inline:5px}.combination-count{font-size:11px;gap:13px}.seminar-conclusion>p{font-size:18px;line-height:1.9}.volume-heading h3{font-size:29px}.volume-heading>span{font-size:13px}.volume-heading>p{font-size:13px}.chapter summary>div{font-size:22px;line-height:1.55;letter-spacing:0}.chapter summary small{font-size:13px;line-height:1.9}.chapter-content>p{font-size:14px;line-height:1.95}.chapter-content>.chapter-outcome>b{font-size:11px}.curriculum-note{font-size:12px;line-height:1.95}.tutorial-narrative h3{font-size:25px}.tutorial-narrative>p,.tutorial-steps p{font-size:14px;line-height:1.95}.tutorial-steps h3{font-size:23px}.learning-standard h3{font-size:25px}.learning-standard>ol{font-size:14px;line-height:1.95}.tutorial-fit>b,.tutorial-fit>p{font-size:12px;line-height:1.95}.admission-heading>p{font-size:14px}.admission-paths{grid-template-columns:1fr;gap:27px}.admission-paths>div>span{font-size:11px}.admission-paths h3{font-size:25px;margin:12px 0 10px}.admission-paths p{font-size:14px;line-height:1.9}.admission-action{flex-direction:column;align-items:stretch}.admission-action p{font-size:13px;max-width:none}.admission-action .button{font-size:14px}.admission-signature{font-size:20px}.enrollment h2{font-size:30px}.enrollment-grid>div>p{font-size:14px}.enrollment-steps h3{font-size:24px}.enrollment-steps p{font-size:14px}.policy-heading h2{font-size:30px}.policy-heading>p{font-size:12px}.policy-grid summary{font-size:14px}.policy-grid details>p{font-size:13px;line-height:1.95}.footer-wordmark{font-size:40px}.footer-motto{font-size:19px;letter-spacing:.015em;line-height:1.8}.footer-english{font-size:9px;letter-spacing:.1em}.footer-bottom{font-size:10px;line-height:1.85}.order-remark{grid-template-columns:minmax(0,1fr) auto;gap:8px 12px}.order-remark>b{font-size:12px;overflow-wrap:anywhere}.payment-code p,.payment-note{font-size:12px}.change-plan,.dialog-intro{font-size:13px}.dialog-action{font-size:14px}.toast,.dialog-toast{font-size:12px}}
@media(max-width:360px){.wrap{width:calc(100% - 32px)}.site-header{padding-inline:14px;gap:15px}.header-cta{font-size:11px}.brand{gap:8px}.hero h1{font-size:52px}.hero-subtitle{font-size:18px}.hero-description{font-size:14px}.hero>.hero-content>.eyebrow{font-size:9px;letter-spacing:0}.hero-actions{gap:12px 18px}.hero-actions>.button{font-size:12px;padding-inline:15px}.hero-actions .text-link{font-size:12px}.credential-strip span{font-size:10px;gap:7px}.credential-strip b{font-size:20px}.seminar-tabs button{padding-inline:8px}.seminar-tabs button>b{font-size:17px}.seminar-tabs button>small{font-size:10px}.case-panel{padding-inline:14px}.case-question h3{font-size:23px}.case-figures{gap:12px}.case-figures strong{font-size:26px}.case-table thead th{font-size:10px}.case-table td,.case-table tbody th{font-size:16px}.chapter-content{padding-left:0}.chapter summary>div{font-size:21px}.plan-dialog .plan-name{font-size:23px}.plan-dialog-footer{gap:10px}.plan-dialog-selection>span{font-size:10px}.plan-dialog-selection>strong{font-size:25px}.plan-dialog-footer>.button{min-width:123px;font-size:12px;gap:10px;padding-inline:12px}.plan-dialog-heading h2{font-size:25px}.plan-dialog-brand{font-size:16px}.dialog-content{padding-inline:20px}.dialog-content>h2{font-size:25px}.preface-writing h2{font-size:28px}.preface-writing blockquote{font-size:19px}}

/* Final detail pass: space and type carry the reading hierarchy. */
body{caret-color:transparent}
input,textarea,[contenteditable="true"]{caret-color:auto}
:root{--line:rgba(213,183,132,.15)}
.ui-icon{display:block;width:20px;height:20px;flex:none;pointer-events:none;vertical-align:middle}
button:disabled{cursor:default}
.site-header{border-bottom:0;background:#0c1110f7}
.brand-level{margin-left:17px}
.hero h1{text-shadow:none}
.hero-seal{border:1.5px solid #d4b378;outline:1px solid #d4b37880;outline-offset:4px;background:#0b1713b8;opacity:1;color:#f1d7a6;pointer-events:none;box-shadow:inset 0 0 0 3px #0b1713,0 4px 24px #0003}
.hero-landscape,.hero-overlay,.footer-landscape{pointer-events:none}
.hero-foot{pointer-events:none}
.hero-signature small{color:#a9b4a4}
.credential-strip,.credential-strip span,.credential-strip span:last-child{border:0}
.credential-strip>.wrap{gap:0 30px;padding-block:10px}
.credential-strip span{justify-content:flex-start;padding-left:0}
.credential-strip span:last-child{justify-content:flex-end;padding-left:0}
.teacher-preface,.seminar,.enrollment,.site-footer{border:0}
.preface-margin{border-right:0}
.preface-writing blockquote{border:0;padding-left:0}
.square-seal{outline:1px solid #8d624b70;outline-offset:3px;border:1.5px solid #8d624b;color:#805239;background:#8d624b08}
.seminar-conclusion>.square-seal{border-color:#cfb27e;outline-color:#cfb27e80;color:#e4c897;background:#cfb27e0d}
.thesis-list,.thesis-list article{border:0}
.thesis-list{display:grid;gap:26px}
.thesis-list article{padding:0}
.seminar-tabs{border:0;gap:8px;margin-bottom:14px}
.seminar-tabs button{border:0;background:transparent;border-radius:2px;transition:color .2s,background .2s}
.seminar-tabs button:hover{background:#ffffff07;color:var(--gold-soft)}
.seminar-tabs button[aria-selected=true]{background:#d5b78412}
.seminar-tabs button[aria-selected=true]:after{display:none}
.seminar-tabs button>small{color:#acb6a5}
.case-panel{border:0}
.case-blackboard{border:0;box-shadow:none}
.board-topline,.model-inputs,.deeper-question,.case-source,.comparison-top{border:0}
.board-topline{padding-bottom:5px}
.model-inputs{padding-top:4px}
.case-reading>.case-formula{border:0;background:#d0c6af33;padding:16px 18px}
.case-controls{gap:8px;padding:4px;background:#ffffff07;border-radius:3px}
.case-controls button{border:0;border-radius:2px;color:#c4ccbd;background:none}
.case-controls button:hover{background:#ffffff09}
.case-controls button[aria-pressed=true]{background:#d8c6a3;color:#223223}
.playing-card{box-shadow:none;border-color:transparent}
.turn-card{border:1px solid #b89b65}
.case-table thead th{border-top:0;color:#56644e}
.case-table td{color:#5a674f}
.case-table .preferred{background:#8796751a}
.case-table tbody tr:last-child td,.case-table tbody tr:last-child th{border-bottom:0}
.case-source{color:#626d5c}
.case-figures small{color:#626d5c}
.volume,.volume:last-of-type{border:0;padding-block:44px}
.volume+.volume{margin-top:16px}
.volume-heading>b{display:block;color:#d5b78414}
.chapter{border:0}
.chapter+.chapter{margin-top:14px}
.chapter summary{grid-template-columns:30px minmax(0,1fr) 20px;align-items:start;padding-block:19px}
.chapter summary>.ui-icon{width:18px;height:18px;margin-top:10px;color:#b8a27d;transition:transform .2s}
.chapter[open] summary>.ui-icon{transform:rotate(180deg)}
.chapter summary:hover>div{color:var(--gold-soft)}
.chapter-content>.chapter-outcome{border:0;padding-left:0;margin-top:23px}
.tutorial-steps,.tutorial-steps li,.learning-standard{border:0}
.tutorial-steps{gap:20px 30px}
.tutorial-steps li{padding-block:8px 21px}
.learning-standard{padding-top:0;margin-top:45px}
.admission-body,.admission-paths{border:0}
.admission-paths{padding-top:0;padding-bottom:22px}
.enrollment-steps li{border:0;padding-block:20px}
.policy-grid{gap:12px 48px}
.policy-grid details{border:0;padding-block:17px}
.policy-grid summary>.ui-icon{width:18px;height:18px;color:#b8a27d;transition:transform .2s}
.policy-grid details[open] summary>.ui-icon{transform:rotate(180deg)}
.policy-grid summary:hover{color:var(--gold-soft)}
.footer-bottom{border:0;margin-top:50px;padding-top:0}
.footer-bottom>a{display:inline-flex;align-items:center;gap:12px;min-height:44px}
.footer-bottom .ui-icon{width:16px;height:16px}
.button{border:0;border-radius:2px;box-shadow:none;transition:background .2s,color .2s}
.button-gold{background:#d9c29a;color:#182219;box-shadow:none}
.button:hover{background:#e8d5b4;box-shadow:none;transform:none}
.text-link,.change-plan{border:0}
.text-link:hover,.change-plan:hover,.header-cta:hover{color:var(--gold-soft)}
.header-cta{gap:12px}
.header-cta>.ui-icon{width:17px;height:17px}
.change-plan{display:inline-flex;align-items:center;gap:7px;min-height:44px}
.change-plan>.ui-icon{width:15px;height:15px}
.plan-dialog,.order-dialog{border:0;box-shadow:0 28px 110px #0007}
.plan-dialog-header,.plan-dialog-footer{border:0}
.plan-dialog-header .dialog-close,.dialog-close{border:0;border-radius:50%;display:grid;place-items:center}
.dialog-close:hover{background:#d5b78412}
.dialog-close .ui-icon{width:21px;height:21px}
.plan-dialog .plan-card{border:1px solid #d5b78424;border-radius:3px;background:#18221b;padding:28px;transition:background .2s,border-color .2s}
.plan-dialog .plan-card:hover{border-color:#d5b78466}
.plan-dialog .plan-card.selected{background:#252e24;border-color:#bfa675;box-shadow:none}
.plan-card.selected:after{display:none}
.plan-card:focus-within{outline:0}
.plan-card:has(input:focus-visible){outline:2px solid var(--gold-soft);outline-offset:4px}
.plan-card>input{top:28px;right:28px}
.plan-dialog .plan-description{min-height:0;margin-top:20px}
.plan-dialog .plan-price{margin-top:26px}
.plan-dialog .plan-features{padding-block:25px 28px;gap:11px}
.plan-features>span:before{display:none}
.plan-dialog .plan-select,.selected .plan-select{padding:5px 0 0;border:0;background:none;color:#b9c3b2;letter-spacing:0}
.selected .plan-select{color:var(--gold-soft)}
.plan-select>.ui-icon{display:none}
.plan-dialog .pricing-note{margin-top:26px}
.plan-dialog-heading{padding-bottom:3px}
.plan-dialog-scroll{padding-top:30px;scrollbar-width:thin;scrollbar-color:#6d765f transparent}
.plan-dialog-footer{background:#1b261e}
.order-summary{border:0;background:#ffffff03;padding:16px 18px}
.order-summary>.order-final{border-top:0;padding-top:12px}
.order-summary>div>span{flex:none}
.terms-check button{border:0}
.terms-check button:hover{color:var(--gold-soft)}
.payment-placeholder{height:auto;min-height:128px;padding:24px;border:0;background:#ffffff04;line-height:1.9;text-align:center}
.payment-note{color:#acb7a3}
.order-remark button{border:0;background:#ffffff06;border-radius:2px;min-width:54px;min-height:44px}
.order-remark button:hover{background:#ffffff0d}
.toast{border:0;border-radius:2px;box-shadow:0 12px 50px #0004}
h2[tabindex="-1"]:focus{outline:none}
@media(max-width:1100px){.site-header{gap:18px}.desktop-nav{gap:22px}.plan-dialog .plan-card{padding:24px}.plan-card>input{top:24px;right:24px}}
@media(max-width:960px){.brand-level{display:none}.brand{gap:11px}.desktop-nav{gap:24px}}
@media(max-width:800px){.credential-strip>.wrap{gap:0 24px;padding-block:14px}.credential-strip span,.credential-strip span:last-child{justify-content:flex-start;padding-left:0;min-height:59px}.volume{padding-block:30px}.volume+.volume{margin-top:10px}.volume-heading{padding-right:0;min-height:0}.chapter summary{grid-template-columns:25px minmax(0,1fr) 18px}.tutorial-steps li{padding-bottom:16px}.plan-dialog .plan-card{padding:24px}.plan-dialog-scroll{padding-top:26px}}
@media(max-width:640px){.plan-dialog .plan-card{padding:24px}.plan-dialog-scroll{padding-top:24px}.order-summary{padding-inline:15px}.order-summary>div{flex-wrap:wrap;gap:5px 15px}.order-summary b{overflow-wrap:anywhere}.dialog-brand{align-items:center;margin-right:30px;gap:10px}.dialog-brand>span{font-size:17px;letter-spacing:0;line-height:1.6}.dialog-brand img{width:32px;height:32px;flex:none}.plan-dialog .plan-price-caption{font-size:12px}}
@media(max-width:540px){.hero{min-height:760px}.hero-content{padding-bottom:112px}.hero-signature small{font-size:9px;letter-spacing:.07em}.hero-foot>span:first-child{font-size:9px;letter-spacing:.015em}.hero-seal{bottom:94px;right:25px}.credential-strip>.wrap{column-gap:18px}.credential-strip span{font-size:11px;gap:8px}.credential-strip b{font-size:21px}.credential-strip span:last-child img{width:20px;height:20px}.preface-writing blockquote{padding-left:0}.thesis-list{gap:30px}.thesis-list article{padding:0}.seminar-tabs{gap:3px;margin-bottom:12px}.seminar-tabs button{padding-inline:9px}.seminar-tabs button>small{font-size:11px}.case-reading>.case-formula{padding:14px 12px}.volume{gap:23px}.chapter summary{grid-template-columns:21px minmax(0,1fr) 16px;gap:12px;padding-block:17px}.chapter summary>.ui-icon{width:16px;height:16px;margin-top:9px}.chapter+.chapter{margin-top:14px}.tutorial-steps{gap:20px}.tutorial-steps li{padding-block:0}.learning-standard{margin-top:35px}.admission-paths{padding-block:0 12px}.admission-action{padding-top:21px}.policy-grid{gap:8px}.policy-grid details{padding-block:16px}.footer-bottom{margin-top:34px;gap:8px}.footer-bottom>span{font-size:11px}.plan-dialog .plan-features{padding-bottom:24px}.plan-dialog .pricing-note{margin-top:24px}.header-cta{gap:8px}.header-cta>.ui-icon{width:15px;height:15px}.plan-dialog-brand>span{font-size:16px;letter-spacing:0}.plan-dialog-brand small{font-size:9px}.order-summary>div{font-size:13px}}
@media(max-width:360px){.hero{min-height:740px}.hero-foot>span:first-child{font-size:8px}.credential-strip>.wrap{gap:0 12px}.credential-strip span{font-size:10px;gap:6px}.credential-strip b{font-size:19px}.credential-strip span:last-child img{width:19px;height:19px}.plan-dialog .plan-card{padding:22px 20px}.plan-card>input{top:22px;right:20px}.dialog-brand>span{font-size:16px}.plan-dialog-brand>span{font-size:15px}.plan-dialog-brand{gap:8px}.plan-dialog-brand img{width:29px;height:29px}.order-summary{padding-inline:12px}}
.combination-count{color:#596650}
.case-panel:focus-visible{outline-color:#40513b;outline-offset:4px}
@supports not selector(:has(*)){.plan-card:focus-within{outline:2px solid var(--gold-soft);outline-offset:4px}}
@media(max-width:540px){.seminar-tabs button{padding-inline:6px}.seminar-tabs button>b{font-size:clamp(15px,4.2vw,19px);white-space:nowrap}.seminar-tabs button>small{font-size:11px}}

/* Reading text keeps the standard arrow; only working controls use a hand. */
html,body{cursor:default}
a[href],button:not(:disabled),summary,.plan-card,.terms-check,input[type="radio"],input[type="checkbox"]{cursor:pointer}
button:disabled,input:disabled{cursor:default}

.plan-price-reference{display:flex;align-items:baseline;gap:10px;margin-top:24px;color:#b0b9a8;font:400 13px/1.7 var(--sans)}
.plan-price-reference s{text-decoration-thickness:1px;text-decoration-color:#a8b39f;white-space:nowrap;font-variant-numeric:tabular-nums}
.plan-dialog .plan-price-reference+.plan-price{margin-top:5px}
.plan-dialog .plan-price-caption{gap:5px 16px;line-height:1.9}
.plan-savings{color:var(--gold-soft);white-space:nowrap}
#orderReferenceRow b{color:var(--muted)}
#orderDiscountRow b{color:var(--gold-soft)}

/* Visible landscape motion, exactly registered to the cover image. */
.hero-atmosphere{position:absolute;z-index:-1;max-width:none;overflow:visible;pointer-events:none;opacity:0;transition:opacity .65s ease;isolation:isolate;mask-image:linear-gradient(90deg,transparent 32%,#000 53%);-webkit-mask-image:linear-gradient(90deg,transparent 32%,#000 53%)}
.scene-ready .hero-atmosphere{opacity:1}
.hero-atmosphere g{transform-box:view-box;transform-origin:center}
.scene-mist-far{animation:jsn-mist-far 12s linear -4s infinite alternate}
.scene-mist-near{animation:jsn-mist-near 10s linear -3s infinite alternate}
.scene-mist-front{animation:jsn-mist-front 14s linear -6s infinite alternate}
.scene-water-shimmer{stroke-dasharray:160 330;animation:jsn-water-flow 5.2s linear -2s infinite}
.scene-water-fine{stroke-dasharray:90 280;animation:jsn-water-fine 4.6s linear -1.5s infinite}
.hero-atmosphere .scene-mist-far,.hero-atmosphere .scene-mist-near,.hero-atmosphere .scene-mist-front,.hero-atmosphere .scene-water-shimmer,.hero-atmosphere .scene-water-fine{animation-play-state:paused}
.scene-active .hero-atmosphere .scene-mist-far,.scene-active .hero-atmosphere .scene-mist-near,.scene-active .hero-atmosphere .scene-mist-front,.scene-active .hero-atmosphere .scene-water-shimmer,.scene-active .hero-atmosphere .scene-water-fine{animation-play-state:running}
.hero-foot{display:flex;justify-content:flex-end;align-items:flex-end;gap:30px;pointer-events:auto}
.hero-poem{position:absolute;top:30%;right:10.5%;display:flex;flex-direction:row-reverse;align-items:flex-start;gap:22px;margin:0;font:400 24px/1.4 var(--serif);letter-spacing:.06em;color:#d2c5a6;text-shadow:0 1px 4px #07120d99;cursor:default;pointer-events:none}
.hero-poem .poem-line:nth-child(2){padding-top:22px}
.hero-poem .poem-line{display:flex;flex-direction:column;align-items:center;white-space:nowrap}
.hero-poem .poem-char{display:inline-block;opacity:1}
.scene-ready .hero-poem .poem-char{animation:var(--poem-animation) 18s linear infinite;animation-play-state:paused}
.scene-active .hero-poem .poem-char{animation-play-state:running}
@keyframes jsn-mist-far{from{transform:translate(-65px,10px);opacity:.85}to{transform:translate(65px,-10px);opacity:1}}
@keyframes jsn-mist-near{from{transform:translate(90px,14px);opacity:.8}to{transform:translate(-90px,-12px);opacity:1}}
@keyframes jsn-mist-front{from{transform:translate(-110px,12px);opacity:.68}to{transform:translate(110px,-16px);opacity:1}}
@keyframes jsn-water-flow{from{stroke-dashoffset:490}to{stroke-dashoffset:0}}
@keyframes jsn-water-fine{from{stroke-dashoffset:370}to{stroke-dashoffset:0}}
@media(max-width:1099px){.hero{display:block}.hero-content{padding-bottom:36px}.hero-poem{position:relative;top:auto;right:auto;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;gap:8px;min-height:222px;width:calc(100% - 44px);margin:0 auto;padding:16px 64px 74px 0;font-size:24px;line-height:1.75;letter-spacing:.08em}.hero-poem .poem-line{flex-direction:row}.hero-seal{display:flex;top:auto;bottom:112px;right:7%;width:39px;font-size:24px;padding:10px 0}}
@media(max-width:800px){.scene-ready .hero-atmosphere{opacity:1}}
@media(max-width:540px){.hero-foot{bottom:22px;align-items:flex-end;gap:16px}.hero-content{padding-bottom:30px}.hero-poem{min-height:208px;gap:8px;padding:16px 54px 70px 0;font-size:21px;line-height:1.8;letter-spacing:.08em}.hero-seal{display:flex;top:auto;bottom:104px;right:25px;width:34px;font-size:22px;padding:9px 0}.scene-ready .hero-atmosphere{opacity:.95}}
@media(prefers-reduced-motion:reduce){.hero-atmosphere{display:none}}

/* One shared breath: reveal, six-second reading hold, 1.6-second dissolve. */
@keyframes jsn-poem-0{0%,3.333%{opacity:0}7.778%,71.111%{opacity:1}80%,100%{opacity:0}}
@keyframes jsn-poem-1{0%,5.333%{opacity:0}9.778%,71.111%{opacity:1}80%,100%{opacity:0}}
@keyframes jsn-poem-2{0%,7.333%{opacity:0}11.778%,71.111%{opacity:1}80%,100%{opacity:0}}
@keyframes jsn-poem-3{0%,9.333%{opacity:0}13.778%,71.111%{opacity:1}80%,100%{opacity:0}}
@keyframes jsn-poem-4{0%,11.333%{opacity:0}15.778%,71.111%{opacity:1}80%,100%{opacity:0}}
@keyframes jsn-poem-5{0%,13.333%{opacity:0}17.778%,71.111%{opacity:1}80%,100%{opacity:0}}
@keyframes jsn-poem-6{0%,15.333%{opacity:0}19.778%,71.111%{opacity:1}80%,100%{opacity:0}}
@keyframes jsn-poem-7{0%,21.111%{opacity:0}25.556%,71.111%{opacity:1}80%,100%{opacity:0}}
@keyframes jsn-poem-8{0%,23.111%{opacity:0}27.556%,71.111%{opacity:1}80%,100%{opacity:0}}
@keyframes jsn-poem-9{0%,25.111%{opacity:0}29.556%,71.111%{opacity:1}80%,100%{opacity:0}}
@keyframes jsn-poem-10{0%,27.111%{opacity:0}31.556%,71.111%{opacity:1}80%,100%{opacity:0}}
@keyframes jsn-poem-11{0%,29.111%{opacity:0}33.556%,71.111%{opacity:1}80%,100%{opacity:0}}
@keyframes jsn-poem-12{0%,31.111%{opacity:0}35.556%,71.111%{opacity:1}80%,100%{opacity:0}}
@keyframes jsn-poem-13{0%,33.111%{opacity:0}37.556%,71.111%{opacity:1}80%,100%{opacity:0}}
@media(prefers-reduced-motion:reduce){.scene-ready .hero-poem .poem-char{animation:none;opacity:1}}

@media(max-width:540px){.credential-strip span:last-child img{width:24px;height:24px}}

/* Chapter entrances share one editorial type and icon rhythm. */
.hero-actions{gap:28px}
.hero-actions>.button,.hero-actions>.text-link{font-family:var(--serif);font-size:15px;font-weight:500;letter-spacing:.06em;line-height:1.5;min-height:52px;align-items:center}
.hero-actions>.button{gap:14px;padding:14px 24px;background:#d5bd93;color:#263226;box-shadow:none}
.hero-actions>.text-link{gap:10px;padding:14px 0;color:#d6cbb5;border:0}
.hero-actions .ui-icon{width:16px;height:16px;stroke-width:1.6}
.hero-actions>.button:hover{background:#e0c9a3;color:#1d291f}
.hero-actions>.text-link:hover{color:#ecdbb9}
@media(max-width:540px){.hero-actions{gap:12px 16px}.hero-actions>.button,.hero-actions>.text-link{font-size:14px;letter-spacing:.035em}.hero-actions>.button{padding-inline:18px;gap:12px}.hero-actions .ui-icon{width:15px;height:15px}}

/* Four-character seals are fixed 2×2 compositions, never wrapped prose. */
.square-seal{display:inline-grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:repeat(2,minmax(0,1fr));place-items:center;column-gap:1px;row-gap:1px;width:46px;height:50px;min-width:46px;min-height:50px;padding:5px;font-size:15px;font-weight:500;line-height:1;letter-spacing:0;text-indent:0;white-space:nowrap}
.square-seal>.seal-character{display:block;font:inherit;line-height:1;letter-spacing:0;text-indent:0;white-space:nowrap;text-align:center;margin:0;padding:0}
.tutorial-narrative h3{padding-right:66px}
@media(max-width:1099px){.hero-poem .poem-line:nth-child(2){padding-top:0}}
@media(max-width:540px){.square-seal,.tutorial-narrative>.square-seal{width:42px;height:46px;min-width:42px;min-height:46px;padding:4px;font-size:14px}.tutorial-narrative h3{padding-right:62px}.teacher-signature{gap:20px}.hero-poem{font-size:20px;letter-spacing:.06em}}

/* Viewport composition: navigation, landscape and credentials share the opening screen.
   Text stays in normal flow, so zoomed or unusually short windows remain scrollable. */
:root{--site-header-height:88px;--credential-height:80px}
html{scroll-padding-top:calc(var(--site-header-height) + 20px)}
.volume-heading{min-height:0;overflow:visible;padding-right:0}
.case-layout>*,.tutorial-columns>*,.volume>*,.preface-grid>*,.thesis>*,.learning-standard>*,.enrollment-grid>*,.policy-grid>*,.editorial-heading>*{min-width:0}
.editorial-heading>p{flex:0 1 auto;max-width:420px}
.case-figures>div{min-width:0}
.credential-strip>.wrap{grid-template-columns:repeat(4,minmax(0,1fr))}
.credential-strip span{white-space:normal;min-width:0}
.credential-strip b,.credential-strip img{flex:none}
@media(min-width:900px){
  .hero{display:flex;align-items:center;min-height:calc(100vh - var(--site-header-height) - var(--credential-height));min-height:calc(100svh - var(--site-header-height) - var(--credential-height))}
  .hero-landscape{object-position:64% 15%}
  .hero-content{padding-block:clamp(16px,calc(10svh - 60px),48px)}
  .hero h1{font-size:clamp(54px,calc(16svh - 64px),90px);line-height:1.2;margin-top:clamp(16px,calc(3svh - 8px),24px)}
  .hero-subtitle{font-size:clamp(20px,2.6svh,23px);line-height:1.6;margin-top:clamp(14px,calc(3svh - 8px),24px)}
  .hero-description{line-height:1.85;margin-top:clamp(14px,calc(2.5svh - 5px),20px)}
  .hero-actions{margin-top:clamp(20px,calc(4svh - 10px),30px)}
  .hero-signature{gap:4px;margin-top:clamp(18px,calc(4svh - 12px),30px)}
  .hero-signature small{margin-top:0}
  .hero-poem{position:absolute;top:30%;right:10.5%;width:auto;min-height:0;margin:0;padding:0;display:flex;flex-direction:row-reverse;align-items:flex-start;gap:22px;font-size:24px;line-height:1.4;letter-spacing:.06em}
  .hero-poem .poem-line{flex-direction:column}
  .hero-poem .poem-line:nth-child(2){padding-top:22px}
  .hero-seal{top:12%;bottom:auto}
  .credential-strip>.wrap{padding-block:8px;column-gap:24px}
  .credential-strip span{min-height:64px}
  .section{padding-block:clamp(52px,7svh,88px)}
  .editorial-heading{margin-bottom:32px;gap:32px}
  .curriculum-treatise>.editorial-heading{margin-bottom:36px}
  .volume,.volume:last-of-type{padding-block:30px}
  .volume+.volume{margin-top:8px}
  .case-layout{grid-template-columns:minmax(0,1fr) minmax(0,1.18fr);gap:clamp(24px,3vw,38px)}
  .tutorial-columns{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:clamp(36px,5vw,72px)}
  .volume{grid-template-columns:minmax(0,250px) minmax(0,1fr);gap:clamp(32px,4vw,60px)}
  .preface-writing h2{margin-top:18px}
  .preface-writing>.preface-lead{margin-top:22px}
  .preface-writing>p:not(.editorial-kicker):not(.preface-lead){margin-top:17px}
  .preface-writing blockquote{margin-top:24px}
  .teacher-signature{margin-top:24px}
  .case-panel{padding:34px 36px 26px}
  .case-layout{margin-top:28px}
  .tutorial-steps{gap:16px 28px}
  .learning-standard{margin-top:32px}
}
@media(min-width:900px) and (max-width:1099px){
  .hero-poem{right:9%;font-size:22px;gap:18px;top:34%}
  .hero-content>h1,.hero-subtitle,.hero-description{max-width:65%}
  .hero-seal{right:8%;width:39px;font-size:24px;padding:10px 0}
  .credential-strip>.wrap{column-gap:16px}
  .credential-strip span{gap:10px;font-size:12px}
  .credential-strip b{font-size:22px}
  .volume{grid-template-columns:minmax(0,210px) minmax(0,1fr)}
}
@media(min-width:900px) and (max-height:850px){
  .hero-description{font-size:15px;line-height:1.8}
}
@media(min-width:900px) and (max-height:740px){
  .hero-content{padding-block:12px}
  .hero h1{line-height:1.12;margin-top:14px}
  .hero-subtitle,.hero-description{margin-top:12px}
  .hero-actions{margin-top:16px}
  .hero-signature{flex-direction:row;align-items:baseline;flex-wrap:wrap;gap:4px 16px;margin-top:16px;font-size:10px}
  .hero-signature small{font-size:8px}
  .hero-poem{font-size:21px;top:32%;gap:18px}
  .hero-seal{top:9%;width:36px;font-size:22px;padding:8px 0}
}
@media(min-width:900px) and (max-height:680px){
  .hero-landscape{object-position:64% 8%}
  .hero h1{font-size:48px;line-height:1.2;max-width:none}
  .hero h1 span{display:inline}
  .hero-poem{font-size:20px;top:36%}
}
@media(max-width:899px){
  .hero{min-height:0}
  .hero-content{padding-top:clamp(28px,5svh,54px);padding-bottom:26px}
  .hero-poem{min-height:0;padding-top:8px;padding-bottom:42px}
  .hero-seal{bottom:56px}
  .credential-strip>.wrap{grid-template-columns:repeat(2,minmax(0,1fr))}
  .case-layout,.tutorial-columns,.volume{grid-template-columns:minmax(0,1fr)}
  .section{padding-block:56px}
}
@media(max-width:540px){
  .hero h1{font-size:clamp(46px,7svh,58px);line-height:1.2;margin-top:20px}
  .hero-subtitle{margin-top:18px}
  .hero-description{margin-top:16px}
  .hero-actions{margin-top:22px}
  .hero-signature{margin-top:22px;gap:4px}
  .hero-signature small{margin-top:0}
  .hero-poem{padding-top:8px;padding-bottom:34px}
  .hero-seal{bottom:45px}
  .credential-strip>.wrap{padding-block:10px}
  .section{padding-block:48px}
  .editorial-heading,.curriculum-treatise>.editorial-heading{margin-bottom:28px}
}
@media(max-width:380px){
  .case-figures{grid-template-columns:1fr;gap:18px}
  .combination-count{flex-wrap:wrap;gap:8px 12px}
}