:root{--model-ink:#263b30;--model-deep:#17281f;--model-gold:#9a7840;--model-paper:#faf9f5;--model-soft:#f0eee5;--model-line:#d9dbd0;--model-muted:#58675b}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px}
body.dsr-model-page{margin:0;background:var(--model-paper);color:var(--model-ink)}
body.dsr-model-page :is(h1,h2,h3,p,li,small,strong,span,th,td){word-break:keep-all;overflow-wrap:anywhere}
body.dsr-model-page p{text-wrap:pretty}
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.model-crumb{display:flex;align-items:center;gap:14px;max-width:1180px;margin:0 auto;padding:116px 40px 22px;color:#6d786d;font-size:13px;letter-spacing:.02em}
.model-crumb a{color:inherit;text-decoration:none}.model-crumb a:hover{text-decoration:underline;text-underline-offset:4px}
.model-hero{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);align-items:center;min-height:620px;padding:76px max(40px,calc((100% - 1100px)/2));background:linear-gradient(90deg,rgba(14,31,23,.96),rgba(14,31,23,.88) 50%,rgba(14,31,23,.56)),url('/images/seorak/seorak-atelier-aerial.webp') center/cover;color:#fff}
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.model-hero h1{margin:25px 0 26px;font-size:clamp(46px,6vw,82px);font-weight:620!important;line-height:1.08;letter-spacing:-.05em;color:#fff}
.model-title-break{display:none}.model-subtitle{margin:0;max-width:680px;color:#edf0e9;font-size:clamp(20px,2vw,27px);line-height:1.75;letter-spacing:-.025em}.model-author{margin:40px 0 0;color:#d7cfb9;font-size:14px;line-height:1.7}
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.model-orbit{display:grid;grid-template-columns:repeat(3,1fr);align-items:center;aspect-ratio:1;border:1px solid rgba(225,210,169,.56);border-radius:50%;padding:22px}.model-orbit span{display:grid;place-items:center;color:#e1d1a8;font-size:40px;font-weight:450}.model-orbit span+span{border-left:1px solid rgba(225,210,169,.35)}.model-compass p{margin:0;color:#f4f1e8;font-size:16px;line-height:1.9;text-align:center}
.model-index{display:grid;grid-template-columns:repeat(6,1fr);max-width:1180px;margin:0 auto;padding:0 40px;border-bottom:1px solid var(--model-line)}.model-index a{display:flex;flex-direction:column;gap:8px;padding:24px 16px 22px;border-left:1px solid var(--model-line);color:var(--model-ink);font-size:14px;text-decoration:none}.model-index a:last-child{border-right:1px solid var(--model-line)}.model-index span{color:var(--model-gold);font-size:12px;font-variant-numeric:tabular-nums}.model-index a:hover{background:var(--model-soft)}
.model-section{display:grid;grid-template-columns:220px minmax(0,1fr);gap:72px;max-width:1180px;margin:0 auto;padding:110px 40px;border-bottom:1px solid var(--model-line)}.section-label{padding-top:5px}.section-label span{display:block;color:var(--model-gold);font-size:34px;font-weight:450}.section-label p{margin:12px 0 0;color:#6a756c;font-size:11px;font-weight:600;letter-spacing:.12em;line-height:1.7}.section-body{min-width:0}.section-body>h2{margin:20px 0 34px;color:var(--model-ink);font-size:clamp(36px,4.3vw,58px);font-weight:570!important;line-height:1.3;letter-spacing:-.045em}.section-body>p{max-width:790px;color:var(--model-muted);font-size:17px;line-height:1.95}.section-body .model-lead{color:#344c3b;font-size:20px;line-height:1.9}.section-body blockquote{margin:42px 0 0;padding:30px 34px;border-left:3px solid var(--model-gold);background:var(--model-soft);color:#304738;font-size:22px;font-weight:480;line-height:1.8;letter-spacing:-.02em}
.model-pillars{display:grid;grid-template-columns:repeat(3,1fr);max-width:1180px;margin:0 auto;padding:0 40px 80px}.model-pillars article{padding:42px 32px;border:1px solid var(--model-line);background:#fffefa}.model-pillars article+article{border-left:0}.pillar-letter{display:block;margin-bottom:38px;color:var(--model-gold);font-size:66px;line-height:1}.model-pillars small{color:#80673d;font-size:12px;letter-spacing:.1em}.model-pillars h2{margin:12px 0 8px;font-size:26px;font-weight:580!important}.model-pillars p{margin:0;color:var(--model-muted);font-size:16px;line-height:1.75}
.cycle-diagram{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto;align-items:center;gap:20px;margin:48px 0 44px;padding:34px;background:var(--model-deep);color:#fff}.cycle-diagram div{display:flex;align-items:baseline;justify-content:center;gap:12px}.cycle-diagram strong{color:#e1d1a8;font-size:46px;font-weight:450}.cycle-diagram span{font-size:16px}.cycle-diagram i{color:#c9b98e;font-size:26px;font-style:normal}
.model-table-wrap{overflow-x:auto;margin-top:36px}.model-table-wrap table{width:100%;min-width:690px;border-collapse:collapse}.model-table-wrap :is(th,td){padding:19px 18px;border-bottom:1px solid var(--model-line);vertical-align:top;text-align:left;font-size:15px;line-height:1.75}.model-table-wrap thead th{background:var(--model-deep);color:#fff;font-size:13px;font-weight:550;letter-spacing:.04em}.model-table-wrap tbody th{width:95px;color:var(--model-gold);font-weight:650}
.model-deep-dive{display:grid;grid-template-columns:repeat(3,1fr);max-width:1180px;margin:0 auto;padding:90px 40px;gap:0}.model-deep-dive>article{min-width:0;padding:42px 32px;border:1px solid var(--model-line);background:#fffefa}.model-deep-dive>article+article{border-left:0}.deep-heading{display:flex;align-items:flex-start;gap:18px;margin-bottom:28px}.deep-heading>span{color:var(--model-gold);font-size:58px;line-height:1}.deep-heading small{color:#80673d;font-size:11px;letter-spacing:.11em}.deep-heading h2{margin:5px 0 0;font-size:23px;font-weight:600!important;line-height:1.45}.model-deep-dive article>p{color:var(--model-muted);font-size:15px;line-height:1.85}.keyword-list,.condition-list,.principle-list{margin:28px 0;padding:0;list-style:none}.keyword-list li,.condition-list li{display:flex;flex-direction:column;gap:4px;padding:14px 0;border-top:1px solid var(--model-line)}.keyword-list strong,.condition-list strong{color:#7b6138;font-size:13px}.keyword-list span,.condition-list span{color:#44574a;font-size:14px;line-height:1.6}.principle-list{counter-reset:principle}.principle-list li{counter-increment:principle;padding:12px 0;border-top:1px solid var(--model-line);color:#44574a;font-size:14px;line-height:1.6}.principle-list li:before{content:counter(principle,decimal-leading-zero);display:inline-block;width:34px;color:var(--model-gold);font-size:12px}.model-deep-dive .deep-question{margin:28px 0 0;padding-top:24px;border-top:2px solid #bda875;color:#2e4636;font-weight:520}
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.why-grid{display:grid;grid-template-columns:repeat(2,1fr);margin-top:44px}.why-grid article{padding:28px 30px;border:1px solid var(--model-line)}.why-grid article:nth-child(even){border-left:0}.why-grid article:nth-child(n+3){border-top:0}.why-grid span{color:var(--model-gold);font-size:12px}.why-grid h3{margin:16px 0 12px;font-size:21px;font-weight:580!important;line-height:1.55}.why-grid p{margin:0;color:var(--model-muted);font-size:15px;line-height:1.8}
.method{background:var(--model-deep);max-width:none;padding-left:max(40px,calc((100% - 1100px)/2));padding-right:max(40px,calc((100% - 1100px)/2));color:#fff}.method .section-label p,.method .section-body>p{color:#cbd3ca}.method .section-body>h2{color:#fff}.method-steps{display:grid;grid-template-columns:repeat(2,1fr);margin:46px 0 0;padding:0;list-style:none}.method-steps li{min-height:225px;padding:30px;border:1px solid rgba(221,226,218,.22)}.method-steps li:nth-child(even){border-left:0}.method-steps li:nth-child(n+3){border-top:0}.method-steps span{color:#d7bd7d;font-size:12px;font-weight:600;letter-spacing:.08em}.method-steps h3{margin:18px 0 10px;color:#fff;font-size:23px;font-weight:550!important}.method-steps p{margin:0;color:#dce2db;font-size:15px;line-height:1.75}.method-steps small{display:block;margin-top:24px;color:#b8c2b7;font-size:11px;letter-spacing:.06em}
.life-grid{display:grid;grid-template-columns:repeat(2,1fr);margin-top:46px}.life-grid article{min-height:235px;padding:28px;border:1px solid var(--model-line);background:#fffefa}.life-grid article:nth-child(even){border-left:0}.life-grid article:nth-child(n+3){border-top:0}.life-grid span{color:var(--model-gold);font-size:11px;font-weight:650;letter-spacing:.08em}.life-grid h3{margin:14px 0 10px;font-size:26px;font-weight:600!important}.life-grid p{margin:0;color:#344d3c;font-size:16px;line-height:1.65}.life-grid small{display:block;margin-top:19px;color:var(--model-muted);font-size:14px;line-height:1.7}.application-flow{display:grid;grid-template-columns:repeat(5,1fr);margin-top:44px;border:1px solid var(--model-line)}.application-flow>*{display:flex;flex-direction:column;min-width:0;padding:22px 18px;color:var(--model-ink);text-decoration:none}.application-flow>*+*{border-left:1px solid var(--model-line)}.application-flow span{color:var(--model-gold);font-size:11px}.application-flow strong{margin:9px 0;font-size:17px}.application-flow small{color:var(--model-muted);font-size:10px;line-height:1.6}.application-flow a:hover{background:var(--model-soft)}
.agenda-list{margin-top:42px;border-top:1px solid var(--model-line)}.agenda-list div{display:grid;grid-template-columns:150px minmax(0,1fr);gap:30px;padding:22px 0;border-bottom:1px solid var(--model-line)}.agenda-list strong{color:#725a34;font-size:15px}.agenda-list span{color:var(--model-muted);font-size:15px;line-height:1.75}.official-definition{margin-top:46px;padding:38px;background:var(--model-deep);color:#fff}.official-definition small{color:#d7bd7d;font-size:12px;font-weight:650;letter-spacing:.09em}.official-definition p{margin:19px 0 0;color:#f0f3ee;font-size:20px;line-height:1.85;letter-spacing:-.015em}
.references{display:grid;grid-template-columns:260px minmax(0,1fr);gap:70px;max-width:1180px;margin:0 auto;padding:90px 40px}.references h2{margin:16px 0 0;font-size:30px;font-weight:570!important}.references ol{margin:0;padding-left:24px}.references li{padding:10px 0;color:var(--model-muted);font-size:14px;line-height:1.75}.model-declaration{padding:100px max(40px,calc((100% - 900px)/2));background:linear-gradient(rgba(11,26,19,.87),rgba(11,26,19,.87)),url('/assets/seorak.jpg') center/cover;color:#fff;text-align:center}.model-declaration h2{margin:24px 0;color:#fff;font-size:clamp(36px,4.3vw,58px);font-weight:570!important;line-height:1.35;letter-spacing:-.04em}.model-declaration>p:not(.section-eyebrow){max-width:690px;margin:0 auto;color:#e4e9e2;font-size:18px;line-height:1.9}.model-declaration>strong{display:block;margin:42px 0 0;color:#e2cf9d;font-size:24px;font-weight:520;line-height:1.75}.declaration-actions{display:flex;justify-content:center;gap:12px;margin-top:38px}.declaration-actions .button{min-width:180px;min-height:52px;padding:14px 22px;border-radius:4px;font-size:15px}.declaration-actions .line{border-color:rgba(255,255,255,.55);color:#fff}
@media(max-width:1050px){body.dsr-model-page .site-header,body.dsr-model-page .site-header.scrolled{height:72px}.model-crumb{padding-top:98px}.model-hero{grid-template-columns:1fr;gap:55px;min-height:auto;padding-block:72px}.model-compass{justify-self:start;grid-template-columns:160px 1fr;align-items:center;width:min(100%,620px)}.model-orbit{padding:14px}.model-orbit span{font-size:28px}.model-index{grid-template-columns:repeat(3,1fr)}.model-index a:nth-child(4){border-left:1px solid var(--model-line)}.model-section{grid-template-columns:160px;gap:34px}.model-deep-dive{grid-template-columns:1fr}.model-deep-dive>article+article{border-left:1px solid var(--model-line);border-top:0}.application-flow{grid-template-columns:repeat(3,1fr)}.application-flow>*:nth-child(4){border-left:0;border-top:1px solid var(--model-line)}.application-flow>*:nth-child(5){border-top:1px solid var(--model-line)}}
@media(max-width:700px){html{scroll-padding-top:84px}.model-crumb{padding:92px 24px 16px;font-size:12px}.model-hero{gap:40px;padding:56px 24px}.model-title-break{display:block}.model-hero h1{font-size:clamp(42px,14vw,62px);line-height:1.12}.model-subtitle{font-size:18px}.model-author{margin-top:28px;font-size:12px}.model-compass{grid-template-columns:1fr;width:100%;padding:26px}.model-orbit{max-width:180px;margin:auto}.model-index{display:flex;overflow-x:auto;padding:0 24px;scroll-snap-type:x mandatory}.model-index a{min-width:132px;scroll-snap-align:start}.model-section{grid-template-columns:1fr;gap:28px;padding:76px 24px}.section-label{display:flex;align-items:baseline;gap:14px}.section-label span{font-size:25px}.section-label p{margin:0}.section-body>h2{margin:16px 0 26px;font-size:clamp(32px,10vw,43px);line-height:1.38}.section-body .model-lead{font-size:18px}.section-body>p{font-size:16px}.section-body blockquote{padding:24px 22px;font-size:19px}.model-pillars{grid-template-columns:1fr;padding:0 24px 62px}.model-pillars article+article{border-left:1px solid var(--model-line);border-top:0}.model-pillars article{padding:31px 25px}.pillar-letter{font-size:52px;margin-bottom:25px}.cycle-diagram{grid-template-columns:1fr;gap:13px;padding:26px}.cycle-diagram div{justify-content:flex-start}.cycle-diagram i{transform:rotate(90deg);justify-self:center}.model-deep-dive{padding:64px 24px}.model-deep-dive>article{padding:31px 24px}.theory-grid,.why-grid,.method-steps,.life-grid{grid-template-columns:1fr}.theory-grid article:not(:first-child),.why-grid article:not(:first-child),.method-steps li:not(:first-child),.life-grid article:not(:first-child){border-left:1px solid var(--model-line);border-top:0}.method-steps li:not(:first-child){border-color:rgba(221,226,218,.22)}.theory-grid article{min-height:0}.method-steps li,.life-grid article{min-height:0}.research-note{padding:28px 24px}.application-flow{grid-template-columns:1fr}.application-flow>*+*{border-left:0;border-top:1px solid var(--model-line)}.agenda-list div{grid-template-columns:1fr;gap:8px}.official-definition{padding:29px 24px}.official-definition p{font-size:18px}.references{grid-template-columns:1fr;gap:30px;padding:72px 24px}.model-declaration{padding:78px 24px}.model-declaration>strong{font-size:20px}.declaration-actions{flex-direction:column}.declaration-actions .button{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
