/* 实物占筮：纸、草与朱砂。触屏上的字距与操作位置独立调整。 */
.nav-symbol,.mobile-learn{display:none}
.site-nav{gap:22px}.site-nav button{white-space:nowrap}
.comp-layout{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:24px;align-items:start}
.comp-layout>*{min-width:0}.comp-layout h2,.lookup-card h2{font:26px/1.6 var(--serif);margin-bottom:18px}
.kit-list{padding:0;list-style:none;margin:22px 0}.kit-list li{border-top:1px solid var(--line);padding:18px 0;display:grid;grid-template-columns:145px 1fr;gap:15px}
.kit-list b{font:18px/1.8 var(--serif);font-weight:400}.kit-list span{font-size:14px;line-height:1.9;color:var(--ink-2)}
.comp-muted{font:13px/1.9 var(--sans);color:var(--ink-3);overflow-wrap:anywhere}
.comp-actions{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-top:22px}
.comp-detail{border-top:1px solid var(--line);padding:16px 0;margin:20px 0;color:var(--ink-2);font-size:14px;line-height:1.95}
.comp-detail.card{padding:22px 28px}.comp-detail summary{cursor:pointer;min-height:44px;display:list-item;padding:9px 0;color:var(--jade);font-size:14px}.comp-detail p{margin:15px 0}.comp-detail a{color:var(--jade);text-underline-offset:4px}
.comp-detail li{margin:9px 0}.comp-detail ol{padding-left:24px}
.demo-heading{display:flex;align-items:baseline;justify-content:space-between;gap:15px;flex-wrap:wrap}.demo-heading span{font-size:12px;color:var(--ink-3)}
.hand-step-tabs,.lookup-tabs{display:flex;gap:10px;border-bottom:1px solid var(--line);margin:15px 0 22px}
.hand-step-tabs button,.lookup-tabs button{border:0;background:transparent;padding:10px 8px;min-height:48px;color:var(--ink-2);font-size:14px;flex:1}
.hand-step-tabs button[aria-pressed=true],.lookup-tabs button[aria-pressed=true]{color:var(--cinnabar);box-shadow:0 2px var(--cinnabar)}
.hand-demo{display:block;width:100%;height:auto;background:var(--theme-canvas);border-radius:3px}.hand-demo g{animation:hand-scene .45s ease-out}
@keyframes hand-scene{from{opacity:.2;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
#hand-demo-scene p{font:16px/2 var(--serif);margin:20px 0 0;min-height:96px;color:var(--ink-2)}
.practice-progress{display:flex;gap:15px;align-items:center;flex-wrap:wrap;margin:0 0 20px;font-size:13px}.practice-progress>span{color:var(--cinnabar);margin-right:auto}.practice-progress b{font-weight:400}
.practice-progress progress{width:100%;height:3px;border:0;appearance:none;background:var(--theme-selected);color:var(--jade)}.practice-progress progress::-webkit-progress-bar{background:var(--theme-selected)}.practice-progress progress::-webkit-progress-value{background:var(--jade)}
.session-context{font:16px/1.9 var(--serif);padding-bottom:20px;border-bottom:1px solid var(--line);color:var(--ink-2)}
.hand-instructions{padding-left:22px;font-size:15px;line-height:2}.hand-instructions li{margin:10px 0}.hand-instructions b{font-weight:500;color:var(--jade)}
.remainder-inputs{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:22px 0 8px}
.remainder-inputs fieldset,.query-line-rows fieldset,.moving-picker{border:0;padding:0;margin:0;min-width:0}
.remainder-inputs legend,.moving-picker legend{font-size:13px;color:var(--ink-2);padding:0;margin-bottom:12px}
.remainder-inputs [role=group],.moving-picker>div{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:5px}
.remainder-inputs button,.moving-picker button{min-width:0;min-height:48px;font:20px var(--serif);border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent;color:var(--jade)}
.remainder-inputs button[aria-pressed=true],.moving-picker button[aria-pressed=true]{border-bottom:2px solid var(--cinnabar);background:var(--theme-selected);color:var(--cinnabar)}
.remainder-help{font-size:13px;color:var(--ink-3)}.hand-equation{padding:17px 18px;background:var(--theme-selected);font:15px/1.9 var(--mono);color:var(--jade);min-height:66px}.hand-equation.count-error{color:var(--theme-accent);background:var(--theme-selected);font-family:var(--sans)}
.hand-lines{display:flex;flex-direction:column;gap:17px;margin:10px auto 30px;max-width:330px}.hand-lines>div{display:grid;grid-template-columns:24px 1fr 78px;gap:18px;align-items:center;min-height:24px}.hand-lines span{font:14px var(--serif);color:var(--ink-3)}.hand-lines small{font-size:12px;color:var(--ink-3)}
.hand-yao{display:block;position:relative;height:8px;background:var(--jade)}.hand-yao.yin:after{content:"";position:absolute;left:43%;width:14%;height:100%;background:var(--paper-2)}.hand-yao.moving{background:var(--cinnabar)}.hand-yao.empty{height:1px;background:var(--theme-line)}
.hand-session{scroll-margin-top:20px}#hand-session-title,#comp-reading-title{scroll-margin-top:24px;outline:none}
.lookup-tabs{max-width:650px}.lookup-card{max-width:850px;margin:0 auto}.lookup-card .field input,.lookup-card .field textarea,.lookup-card select,.kit-card textarea{font-size:16px}
.lookup-question{margin-top:26px}.query-line-rows{display:flex;flex-direction:column;gap:8px;margin:26px 0}.query-line-rows fieldset{display:flex;align-items:center;gap:24px}
.query-line-rows legend{float:left;padding:0;font:16px var(--serif);width:40px;flex-shrink:0;line-height:60px}.query-line-rows fieldset>div{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;flex:1}
.query-line-rows button{border:0;border-bottom:1px solid var(--line);background:transparent;min-height:60px;padding:5px;color:var(--jade);border-radius:0}
.query-line-rows button b{font:21px var(--serif);display:block}.query-line-rows button small{display:block;font-size:12px;margin-top:3px;color:var(--ink-3)}
.query-line-rows button[aria-pressed=true]{background:var(--theme-selected);border-bottom:2px solid var(--jade)}
.hex-options{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:3px;max-height:260px;overflow-y:auto;overscroll-behavior-y:contain;scrollbar-width:thin;border-bottom:1px solid var(--line);margin:15px 0 24px}
.hex-options button{display:flex;align-items:center;justify-content:flex-start;gap:9px;padding:8px;min-height:52px;border:0;border-bottom:1px solid var(--line);background:transparent;min-width:0}.hex-options b{font:16px var(--serif);white-space:nowrap}.hex-options button>span{font-size:24px}.hex-options small{color:var(--ink-3);font:11px var(--mono);margin-left:auto}
.hex-options button[aria-pressed=true]{background:var(--theme-selected);color:var(--jade);box-shadow:inset 2px 0 var(--jade)}
.selected-hex{display:flex;gap:35px;align-items:center;padding:20px 0;margin:10px 0 20px}.selected-hex .hex-stack{width:105px;margin:0;height:110px;flex-shrink:0}.selected-hex b{display:block;font:25px var(--serif);margin-bottom:10px}.selected-hex span,.selected-hex small{display:block;color:var(--ink-2);font-size:13px;line-height:2}
.moving-picker>div{grid-template-columns:repeat(6,minmax(0,1fr))}.moving-picker button{font-size:17px}
.trigram-selects{display:grid;grid-template-columns:1fr 1fr;gap:20px}.trigram-selects select{width:100%;min-height:48px;border:0;border-bottom:1px solid var(--theme-line);background:transparent;color:var(--jade);padding:8px 4px}
.comp-reading{margin-top:35px;overflow-wrap:anywhere}.comp-reading>h2{font:32px/1.6 var(--serif);letter-spacing:2px}.comp-reading .result-layout{margin-top:24px}.reading-tools{justify-content:flex-end}.reading-tools .action-control{gap:5px}#practice-history{margin:38px 0}#comp-copy-fallback{width:100%;min-height:240px;font-size:16px}
@media(max-width:1100px){.site-nav{gap:15px}.site-nav button{font-size:12px}.nav-secondary{display:none}.comp-layout{grid-template-columns:1fr 1fr}.kit-list li{display:block}.kit-list b,.kit-list span{display:block}.kit-list b{margin-bottom:6px}.remainder-inputs{grid-template-columns:1fr}}
@media(max-width:760px){
  html{scroll-padding-bottom:110px}body{padding-bottom:calc(82px + env(safe-area-inset-bottom));font-size:15px}
  .top{padding:16px 20px;gap:15px;min-height:76px}.brand-name{font-size:23px}.brand-name>span{font-size:10px}.brand-seal{height:37px}.mobile-learn{display:block;border:0;background:transparent;min-height:48px;font-size:13px;color:var(--ink-2);padding:5px 0}
  .site-nav{position:fixed;bottom:0;left:0;right:0;z-index:25;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:1px solid var(--theme-selected);background:var(--theme-control);padding:6px max(10px,env(safe-area-inset-right)) calc(7px + env(safe-area-inset-bottom)) max(10px,env(safe-area-inset-left));backdrop-filter:blur(14px)}
  .site-nav button{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:0 4px;min-height:57px;min-width:0;font-size:12px;letter-spacing:.5px;padding:2px 0;color:var(--ink-2)}.site-nav .nav-secondary{display:none}.nav-symbol{display:block;flex:0 0 100%;line-height:27px;font:23px/1.2 var(--serif)}.site-nav button.active{color:var(--cinnabar)}.site-nav button.active:after{display:none}#ledger-count{font-size:10px}
  main,.foot{margin-left:20px;margin-right:20px}.page-intro{padding-top:25px;padding-bottom:22px;gap:14px}.page-intro h1{font-size:30px;letter-spacing:2px}.intro-note{font-size:12px;line-height:1.8;margin:5px 0 0}.eyebrow{font-size:10px;letter-spacing:1px}.tabs{padding-top:15px;gap:12px}.tabs button{font-size:12px}.tabs button span{font-size:11px}.tabs i{flex:1;max-width:35px}
  .question-card{padding:0}.section-label{margin-bottom:14px}.section-label h2{font-size:23px}.section-label p{font-size:12px}.question-field textarea,.field input,.field textarea{font-size:16px;line-height:1.8}.question-meta{font-size:12px}.examples{flex-wrap:wrap}.examples>span,.examples button{font-size:13px}.category-line{align-items:flex-start;gap:10px}.category-line>span{font-size:13px;padding-top:10px}.category-chips{flex-wrap:wrap;gap:0}.category-chips button{min-height:44px;padding:7px 10px;font-size:14px}
  .method-heading{margin-top:16px}.method-heading h3{font-size:16px}.four-modes{grid-template-columns:1fr;gap:0}.four-modes .mode{display:grid;grid-template-columns:40px 1fr;column-gap:12px;padding:14px 27px 14px 0}.four-modes .mode:has(input:checked){padding-bottom:13px}.four-modes .mode-icon{grid-column:1;grid-row:1/4;align-self:center;font-size:25px}.four-modes .mode strong{font-size:16px;letter-spacing:.5px}.four-modes .mode em{font-size:13px;line-height:1.8;margin-top:2px}.four-modes .mode-time{font-size:12px;line-height:1.8;grid-column:2}.four-modes .mode input{width:18px;height:18px;top:20px;right:1px}.mode-notice{font-size:12px;line-height:1.9;padding-top:10px}
  .start-row{position:sticky;bottom:calc(76px + env(safe-area-inset-bottom));background:var(--paper);z-index:4;margin-top:12px;padding:10px 0 4px}.start-row .local-note{font-size:12px}.start-row .action-caption{font-size:18px}.action-caption{font-size:13px}.action-control{gap:9px}.icon-action{touch-action:manipulation}.optional-info summary{font-size:13px;min-height:44px}.optional-info .row2{gap:12px}
  .cast-grid{display:flex;flex-direction:column;gap:18px}.cast-grid .cast-workspace{order:0;width:100%;padding:20px 16px}.cast-grid .side{order:1;width:100%;padding:16px;background:transparent;border-top:1px solid var(--line)}.cast-grid .side .side-heading{display:flex}.cast-grid .side .lines-col{margin:16px auto;max-width:270px;gap:10px}.cast-grid .side .line{min-height:23px}.cast-grid .side .glyph i{height:7px}.cast-status{font-size:12px;gap:10px;flex-wrap:wrap}.cast-workspace h2{font-size:24px}.cast-workspace .hint{font-size:14px;line-height:1.9}.physics-meta{font-size:12px}.physics-status{font-size:16px;padding:12px 0;min-height:50px}.physics-hint{font-size:13px}.physics-actions,.preparation-actions{padding-top:9px;gap:8px}.prepare-box>div>p,.line-settled p,.story-next-hint{font-size:16px;line-height:1.95}.source-caption,.prepare-box>div>p.source-caption{font-size:12px}.story-origin{font-size:13px}.story-tabs button{font-size:13px}.story-next-hint{margin-top:15px}.change-prose>li>p{font-size:16px;line-height:1.95}.story-box>.action-control{position:sticky;bottom:calc(78px + env(safe-area-inset-bottom));background:var(--paper-2);padding:5px 0 5px 18px;z-index:3}.kept-tray>div{font-size:12px}.kept-tray>p{font-size:12px}.cast-bottom{padding-top:12px}.stroke-tip{font-size:13px}.key-legend{font-size:12px}
  .card{padding:22px 18px;border-radius:5px}.reading-card p.conclusion-main,.plain-translation>p{font-size:18px;line-height:1.9}.reading-card .reading-source,.reading-rule-detail,.reading-heading span,.classical-sources-note p,.classical-sources-note a,.commentary-source span,.commentary-source a,.commentary-source .transcription-note{font-size:13px;line-height:1.9}.commentary-source blockquote{font-size:17px;line-height:2}.entry .text{font-size:21px;line-height:1.9}.entry .xiang{font-size:15px}.entry h3{font-size:15px;line-height:1.8}.entry .role{font-size:12px}.comp-reading .hex-stack,.result-visual .hex-stack{width:92px}.hex-comparison{gap:12px}.hex-nature{font-size:12px}.hex-sub{font-size:12px}.hex-name{font-size:24px}.rule{font-size:14px;line-height:1.9}.result-actions{gap:10px}.result-meta,.ledger-meta,.saved-note{font-size:12px;line-height:1.8}.ledger-item{padding:17px 0;gap:12px}.ledger-item .q{font-size:15px;line-height:1.8;min-width:0;overflow-wrap:anywhere}.ledger-item .g{font-size:30px;flex-shrink:0}.ledger-item b{font-size:17px}.technical>summary,.commentary-book>summary,.overall-context summary,.terms-note summary,.reflection-notes>summary,.closing-history>summary{font-size:14px;line-height:1.8;min-height:48px;padding-top:12px;padding-bottom:12px}
  .guide-article,.example-card{padding:20px 16px}.guide-chapter p{font-size:16px;line-height:2}.guide-note{font-size:14px}.principle-formula{font-size:13px}.foot{margin-top:30px;padding-bottom:20px}.foot>span{font-size:12px}.foot .action-caption{font-size:12px}
  .comp-layout{grid-template-columns:1fr;gap:18px}.comp-layout h2,.lookup-card h2{font-size:25px}.kit-list li{padding:15px 0}.kit-list b{font-size:18px}.kit-list span{font-size:15px}.comp-muted{font-size:13px}.comp-detail{font-size:15px}.demo-card{order:1}.demo-heading{gap:5px}.demo-heading h2{margin-bottom:0}.demo-heading span{font-size:12px}.hand-step-tabs{gap:0;margin:14px 0}.hand-step-tabs button{font-size:14px;padding:10px 4px;min-width:0}.hand-demo{min-height:155px}#hand-demo-scene p{font-size:17px;min-height:0;line-height:1.95}.comp-actions{gap:10px}.practice-progress{font-size:13px;margin-bottom:15px}.hand-instructions{font-size:16px;line-height:1.9;padding-left:21px}.hand-instructions li{margin:11px 0}.remainder-inputs{grid-template-columns:1fr;gap:20px}.remainder-inputs legend{font-size:14px;margin-bottom:9px}.remainder-inputs button{min-height:52px;font-size:23px}.hand-equation{font-size:15px;line-height:1.9;padding:14px}.session-side .hand-lines{max-width:280px}.session-side>.comp-detail{margin-bottom:0}
  .lookup-tabs button{font-size:15px}.query-line-rows{margin:20px 0}.query-line-rows fieldset{gap:10px}.query-line-rows legend{font-size:15px;width:34px}.query-line-rows fieldset>div{gap:5px}.query-line-rows button{min-height:61px}.query-line-rows button small{font-size:12px}.hex-options{grid-template-columns:repeat(3,minmax(0,1fr));max-height:260px}.hex-options button{gap:4px;padding:7px 3px}.hex-options b{font-size:16px}.hex-options small{font-size:10px}.hex-options button>span{font-size:22px}.moving-picker legend{font-size:14px}.moving-picker button{min-height:50px}.selected-hex{gap:24px}.selected-hex span{font-size:14px}.comp-reading>h2{font-size:29px}.comp-reading .result-layout{gap:18px}.reading-tools{justify-content:space-between;gap:6px}.reading-tools .action-control{gap:1px}.reading-tools .action-caption{font-size:12px}.trigram-selects{gap:14px}
}
@media(max-width:359px){main,.foot{margin-left:14px;margin-right:14px}.top{padding-left:14px;padding-right:14px}.card{padding:20px 14px}.intro-note{font-size:11px}.page-intro h1{font-size:28px}.comp-reading .hex-stack,.result-visual .hex-stack{width:78px}.hex-comparison{gap:8px}.hex-options{grid-template-columns:repeat(2,minmax(0,1fr))}.reading-tools .action-control{gap:0}.reading-tools .action-caption{font-size:11px}}
@media(max-width:760px){.view.on{animation:none}.question-card.card{padding:0}.question-field textarea{min-height:100px}.mode-icon{margin-bottom:0}.four-modes .mode{min-height:95px}.four-modes .mode em{grid-column:2}.hand-session>.comp-actions{position:sticky;bottom:calc(78px + env(safe-area-inset-bottom));background:var(--paper-2);padding:8px 0;z-index:3}.lookup-card>.comp-actions{position:sticky;bottom:calc(78px + env(safe-area-inset-bottom));background:var(--paper-2);padding:8px 0;z-index:3}}
@media(max-width:380px){.moving-picker>div{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(prefers-reduced-motion:reduce){.hand-demo g{animation:none}}