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.ideal-plan-wrap{grid-template-columns:3.2rem minmax(0,1fr) 3.2rem;grid-template-rows:auto 1fr auto}.plan-north,.plan-south{grid-column:1/-1}.ideal-plan{grid-column:2}.plan-side{color:var(--muted);font:.65rem/1.45 var(--sans);text-align:center}.plan-side b{display:block;margin:.45rem 0;color:var(--ink);font-weight:500;writing-mode:vertical-rl}.plan-side em{display:block;color:var(--cinnabar);font:1rem var(--display);font-style:normal;writing-mode:vertical-rl}.plan-west{grid-column:1;grid-row:2}.plan-east{grid-column:3;grid-row:2}.plan-cell span{align-content:center;text-align:center}.plan-cell span b{font:clamp(1rem,2vw,1.7rem) var(--display);font-weight:400}.plan-cell span small{display:block;margin-top:.1rem;font:.44rem var(--sans);letter-spacing:.04em;white-space:nowrap}.plan-cell .placed-mark{z-index:3}.plan-cell .ideal-ghost{z-index:1;inset:8%;border:1px dashed rgba(161,61,49,.62);color:rgba(161,61,49,.62);background:repeating-linear-gradient(135deg,rgba(161,61,49,.08) 0 5px,transparent 5px 10px);box-shadow:none;pointer-events:none;animation:ghost-breathe 2.4s ease-in-out infinite}.plan-cell .ideal-ghost b{font-size:clamp(1rem,1.8vw,1.5rem)}.plan-cell .ideal-ghost small{font-size:.4rem;line-height:1.35}.plan-cell .ideal-ghost[data-ghost-piece="ancestor"],.plan-cell .ideal-ghost[data-ghost-piece="soil"]{border-color:rgba(63,111,112,.68);color:rgba(63,111,112,.72);background:repeating-linear-gradient(135deg,rgba(63,111,112,.1) 0 5px,transparent 5px 10px)}.plan-cell .ideal-ghost[data-ghost-piece="market"]{border-color:rgba(159,116,41,.72);color:rgba(126,88,25,.78);background:repeating-linear-gradient(135deg,rgba(195,154,84,.13) 0 5px,transparent 5px 10px)}.plan-cell.has-ideal-ghost{background:rgba(255,255,255,.18)}.ghost-key{display:flex!important;margin:0 0 1.25rem!important;align-items:center;gap:.55rem;color:var(--muted)!important;font:.64rem/1.45 var(--sans)!important}.ghost-key i{display:block;width:1.8rem;height:1.15rem;border:1px dashed rgba(161,61,49,.6);background:repeating-linear-gradient(135deg,rgba(161,61,49,.08) 0 4px,transparent 4px 8px)}.plan-people{position:absolute;inset:0;z-index:5;pointer-events:none;opacity:0;transition:opacity .35s}.ideal-plan.has-people .plan-people{opacity:1}.plan-people i{position:absolute;left:var(--px);top:var(--py);width:5px;height:10px;border-radius:3px 3px 1px 1px;background:var(--cinnabar);box-shadow:0 1px 4px rgba(29,41,42,.35);animation:plan-walk 2.2s ease-in-out infinite alternate}.plan-people i:before{content:"";position:absolute;left:.5px;top:-4px;width:4px;height:4px;border-radius:50%;background:inherit}.plan-people i:nth-child(3n){background:var(--jade)}.plan-people i:nth-child(4n){background:var(--gold)}.build-actions{display:flex;align-items:flex-start;flex-direction:column;gap:.55rem}.text-button.primary{padding:.55rem .7rem;border:1px solid var(--cinnabar);color:var(--cinnabar)}
.chang-an-map{position:relative}.chang-an-people{position:absolute;inset:0;z-index:7;overflow:hidden;pointer-events:none}.chang-an-people i{--person:#e8d3a3;position:absolute;left:var(--x);top:var(--y);width:7px;height:13px;border-radius:4px 4px 2px 2px;background:var(--person);filter:drop-shadow(0 0 4px rgba(0,0,0,.65));animation:chang-an-walk 3.6s ease-in-out infinite alternate}.chang-an-people i:before{content:"";position:absolute;left:1px;top:-6px;width:5px;height:5px;border-radius:50%;background:inherit}.chang-an-people i:after{content:"";position:absolute;left:1px;bottom:-5px;width:5px;height:6px;border-left:2px solid var(--person);border-right:2px solid var(--person)}.chang-an-people i[data-role="official"]{--person:#e2b45f}.chang-an-people i[data-role="merchant"]{--person:#74aaa5}.chang-an-people i[data-role="monk"]{--person:#c27b5f}.chang-an-people i[data-role="resident"]{--person:#ddd5c2}.chang-an-people i.is-focus{z-index:3;outline:2px solid #fff2c9;outline-offset:3px;filter:drop-shadow(0 0 8px rgba(240,207,145,.95))}.chang-an-map.is-closed .chang-an-people i{animation-duration:7s;opacity:.72}.role-portrait{position:relative;display:grid;width:6.2rem;height:7.2rem;margin:1.2rem 0 1.5rem;place-items:center;align-content:center;border:1px solid var(--line-light);background:rgba(255,255,255,.04)}.role-portrait i{position:relative;width:1.7rem;height:2.5rem;margin-top:.5rem;border-radius:.7rem .7rem .2rem .2rem;background:#d9ab59}.role-portrait i:before{content:"";position:absolute;left:.32rem;top:-1.1rem;width:1.05rem;height:1.05rem;border-radius:50%;background:#eddbb7}.role-portrait i:after{content:"";position:absolute;left:-.5rem;top:.55rem;width:2.7rem;height:.7rem;border-radius:1rem;background:#d9ab59}.role-portrait b{position:absolute;right:.5rem;top:.5rem;color:#f2d390;font:1.45rem var(--display);font-weight:400}.role-portrait small{margin-top:.7rem;color:#8fa6a3;font:.55rem var(--sans);letter-spacing:.1em}.role-portrait[data-role="merchant"] i,.role-portrait[data-role="merchant"] i:after{background:#5f9995}.role-portrait[data-role="monk"] i,.role-portrait[data-role="monk"] i:after{background:#a96650}.role-portrait[data-role="resident"] i,.role-portrait[data-role="resident"] i:after{background:#b9b4a9}.people-label{display:flex;margin-top:1.6rem;justify-content:space-between;color:#a9b7b4;font:.7rem var(--sans)}.people-label b{color:#f0cf91;font-weight:400}.role-panel>#crowd-slider{width:100%;accent-color:var(--gold)}.people-count{display:flex!important;margin-top:1rem!important;align-items:center;gap:.7rem}.people-count b{color:#f0cf91;font:2rem var(--display);font-weight:400}.people-count span{color:#8fa6a3;font:.65rem/1.5 var(--sans)}
@keyframes crowd-drift{to{transform:translate(22px,-18px)}}@keyframes plan-walk{to{transform:translate(9px,-7px)}}@keyframes chang-an-walk{to{transform:translate(var(--tx),var(--ty))}}@keyframes ghost-breathe{50%{opacity:.48;transform:scale(.94)}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.hero-crowd i,.plan-people i,.chang-an-people i,.ideal-ghost{animation:none}*{transition-duration:.01ms!important}}
@media(max-width:980px){.hero{grid-template-columns:1fr;padding-bottom:10rem}.hero-city{width:min(31rem,80vw)}.hero-control{left:1.4rem;right:1.4rem;width:auto}.chapter{grid-template-columns:1fr;min-height:auto}.chapter-intro{position:static}.build-workspace{grid-template-columns:7.5rem 1fr}.build-reading{grid-column:1/-1;border-left:0;border-top:1px solid var(--line)}.chang-an-shell,.flow-layout,.terrain-layout{grid-template-columns:1fr}.chang-an-map,.flow-controls,.terrain-reading{border-left:0;border-right:0;border-top:1px solid var(--line)}.chang-an-map{border-top:0}.principles{grid-template-columns:1fr 1fr}.principles article:nth-child(2){border-right:0}.principles article:nth-child(-n+2){border-bottom:1px solid var(--line-light)}.today-question{grid-template-columns:1fr 1fr}.today-question span{grid-column:1/-1}.sources{grid-template-columns:1fr}.source-note{grid-column:1}}
@media(max-width:650px){.masthead{grid-template-columns:1fr auto}.masthead nav{display:none}.brand b{display:none}.home-link{font-size:0}.home-link:before{content:"华夏";font-size:.72rem}.hero{padding-top:4rem}.hero h1{font-size:4.4rem}.hero-city{width:86vw}.hero-control{bottom:1.5rem}.thesis-strip{flex-direction:column;text-align:center}.stage-head{align-items:flex-start;flex-direction:column;gap:.35rem}.stage-head small{margin-left:0}.build-workspace{grid-template-columns:1fr}.piece-tray{display:grid;grid-template-columns:repeat(5,1fr);border-right:0;border-bottom:1px solid var(--line)}.city-piece{display:block;padding:.35rem;text-align:center}.city-piece span{margin:auto}.city-piece b{display:none}.ideal-plan-wrap{padding:1.3rem .7rem}.chang-an-map{min-height:27rem;gap:.35rem;padding:.7rem}.ward{min-height:3rem}.finding{align-items:flex-start;flex-direction:column}.principles{grid-template-columns:1fr}.principles article{min-height:11rem;border-right:0;border-bottom:1px solid var(--line-light)!important}.principles article:last-child{border-bottom:0!important}.today-question{grid-template-columns:1fr;gap:1.3rem}.today-question span{grid-column:auto}.source-grid{grid-template-columns:1fr}.source-grid a{border-right:0!important;border-bottom:1px solid var(--line)!important}.source-grid a:last-child{border-bottom:0!important}footer{align-items:flex-start;flex-direction:column}footer a{margin-left:0}}