/* Reading support for narrow screens; the original desktop slide layouts stay intact. */
@media(max-width:1100px){
:root{--body-size:16px;--small-size:15px;--tiny-size:13px;--body-large:17px;--bubble-size:16px;--code-size:14px;--footer-size:16px}
html,body{height:auto;min-height:100%;overflow:auto}body{overflow-x:hidden}
.slide{height:auto;min-height:100vh;display:flex;padding:58px 24px 30px;gap:24px}
.slide>.header{margin-bottom:8px}.header .title{font-size:32px;line-height:1.35}
.main,.col,.stage,.stages,.prompt-card,.bubble-section,.dialogue-wrap,.gist-stage{flex:initial;min-height:auto}
.main{display:grid;grid-template-columns:1fr;gap:28px}.col{gap:24px}
.prompt-text,.dialogue{font-size:15px;height:auto;min-height:0;max-height:none;overflow:visible;flex:initial;line-height:1.85}
.prompt-card{padding:24px 22px}.prompt-header{gap:12px}.copy-btn{font-size:13px}
.footer,.footer-note{height:auto;min-height:0;flex-wrap:wrap;margin-top:8px;font-size:16px;line-height:1.7;gap:15px}
.stages{grid-template-columns:1fr;gap:25px}.stage-card{min-height:auto;height:auto}.stages>.arrow{transform:rotate(90deg)}
.terminal,.bitable{max-width:100%;min-width:0;flex:none}.bitable-body{overflow-x:auto;max-width:100%}.bt-table{min-width:850px}.bt-table td,.bt-table th{font-size:14px}.simulation-note{font-size:13px;min-width:280px}.confirm-line{flex-wrap:wrap;min-width:280px}
.tools-card{flex:none;overflow:auto;min-height:0;max-width:100%;padding:18px}.tools-card table{min-width:900px}.tools-card td,.tools-card th{font-size:14px}.tools-card:after{content:'↔ 可横向滑动查看完整表格';font-size:13px;color:var(--ink-soft);padding:14px 0;display:block;position:sticky;left:0}
.stage{gap:24px}.punchline{font-size:20px;line-height:1.6;max-width:100%;display:block}.caption{font-size:16px;line-height:1.7}.practice-note{font-size:13px}.submit-panel{height:auto;min-height:0;flex:none}.preview{padding-top:18px}.footer .moat,.footer .preview{width:100%}
.rounds{grid-template-columns:1fr;padding:10px 20px}.rounds .round{padding:18px 0;border-right:0;border-bottom:1px dashed var(--line)}.rounds .round:last-child{border-bottom:0}.gist-questions{gap:20px}.gist-q{font-size:22px}.gist-lead{font-size:20px}
.photo-frame img{max-height:none;height:auto;object-fit:contain}.photo-label{font-size:13px}.photo-caption{font-size:15px;line-height:1.8}.chip-row{grid-template-columns:1fr;gap:14px}.chip{font-size:15px;line-height:1.7}
.reactions{min-height:0;flex:none;gap:24px}.thought-bubble{min-height:180px;flex:none;padding:25px 18px}.thought-text{font-size:18px}.reaction-context{font-size:15px}
.spiral-stage{flex:none;height:500px;min-height:500px}.spiral-stage svg{height:100%;width:100%}.loop-tag{font-size:17px}
}
@media(max-width:760px){.cover{height:auto;min-height:100vh;grid-template-columns:1fr;padding:70px 25px 35px;gap:38px}.cover .title{font-size:42px;line-height:1.2}.cover .kicker{font-size:21px}.cover .subtitle{font-size:17px}.cover .meta-chip{font-size:14px}.cover .meta-row{gap:12px}.cover .right{gap:22px}.cover .doodle{display:none}.reactions{grid-template-columns:1fr}.slide{padding-inline:22px}.spiral-stage{height:380px;min-height:380px}.spiral-stage svg{min-width:500px}.spiral-stage{overflow-x:auto;justify-content:flex-start}.header .aphorism{font-size:27px;line-height:1.4}.photo-comparison{gap:6px}.photo-frame{padding-inline:6px}.photo-arrow{font-size:18px}.photo-label{white-space:normal;text-align:center;font-size:11px}.submit-panel{padding:24px 18px}.practice-paper{padding:20px}.practice-paper strong{font-size:18px}.preview .preview-text,.moat-quote{font-size:20px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition:none!important}.reveal{opacity:1!important;transform:none!important}}