:root{--purple:#44205f;--purple-2:#6d3b82;--purple-3:#efe8f2;--gold:#b58a3b;--ink:#201b24;--muted:#706874;--paper:#f7f4ee;--white:#fffdf8;--line:#d8d0d9;--green:#2f6b5b;--shadow:0 18px 60px rgba(49,29,60,.12)}
*{box-sizing:border-box}html{background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",system-ui,sans-serif}body{margin:0;min-height:100vh}.paper-grain{position:fixed;inset:0;pointer-events:none;opacity:.28;background-image:linear-gradient(rgba(68,32,95,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(68,32,95,.018) 1px,transparent 1px);background-size:32px 32px;mask-image:linear-gradient(to bottom,#000,transparent 85%)}
button,input,textarea{font:inherit}.topbar{height:82px;padding:0 4.5vw;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(68,32,95,.18);background:rgba(255,253,248,.9);backdrop-filter:blur(16px);position:sticky;top:0;z-index:10}.brand-lockup{display:flex;gap:14px;align-items:center}.seal{width:42px;height:42px;border:1px solid var(--gold);border-radius:50%;display:grid;place-items:center;color:var(--purple);font-family:Georgia,serif;font-size:12px;letter-spacing:.08em}.brand-lockup strong{display:block;font-family:Georgia,"Noto Serif SC","Songti SC",serif;font-size:18px;color:var(--purple)}.brand-lockup small{display:block;margin-top:4px;color:var(--muted);letter-spacing:.06em}.topbar nav{display:flex;gap:8px}.topbar nav button{border:0;background:transparent;color:var(--muted);padding:10px 15px;cursor:pointer}.topbar nav button.active{color:var(--purple);border-bottom:2px solid var(--gold)}
main{position:relative;z-index:1}.view{display:none}.view.active{display:block}.participant-shell{max-width:850px;margin:0 auto;padding:52px 24px 80px}.eyebrow{color:var(--gold);font-weight:700;letter-spacing:.16em;text-transform:uppercase;font-size:12px}.title{font-family:Georgia,"Noto Serif SC","Songti SC",serif;color:var(--purple);font-size:clamp(32px,5vw,56px);line-height:1.15;margin:14px 0}.lede{font-family:"Noto Serif SC","Songti SC",serif;color:var(--muted);font-size:18px;line-height:1.8;max-width:680px}.rule{height:1px;background:linear-gradient(90deg,var(--gold),transparent);margin:34px 0}.progress{display:flex;align-items:center;gap:16px;color:var(--muted);font-size:13px}.progress-track{height:3px;flex:1;background:var(--line)}.progress-fill{height:100%;background:var(--purple);transition:width .45s ease}.question{margin-top:44px;animation:rise .45s ease both}.question h2{font-family:Georgia,"Noto Serif SC","Songti SC",serif;font-size:clamp(24px,3.2vw,36px);line-height:1.35;margin:0 0 10px}.question p{color:var(--muted);line-height:1.7}.options{margin-top:26px;border-top:1px solid var(--line)}.option{display:flex;align-items:center;gap:18px;width:100%;padding:18px 4px;border:0;border-bottom:1px solid var(--line);background:transparent;text-align:left;cursor:pointer;transition:.2s}.option:hover{padding-left:10px;color:var(--purple)}.option.selected{color:var(--purple);font-weight:700}.mark{width:22px;height:22px;border:1px solid #a99dab;border-radius:50%;display:grid;place-items:center;flex:0 0 auto}.multi .mark{border-radius:3px}.option.selected .mark{background:var(--purple);border-color:var(--purple);box-shadow:inset 0 0 0 5px var(--white)}.multi .option.selected .mark{box-shadow:none}.multi .option.selected .mark:after{content:"✓";color:white;font-size:14px}.text-answer{width:100%;min-height:150px;border:1px solid var(--line);background:rgba(255,253,248,.75);padding:18px;color:var(--ink);resize:vertical;outline:none;line-height:1.7}.text-answer:focus{border-color:var(--purple);box-shadow:0 0 0 3px var(--purple-3)}.actions{display:flex;justify-content:space-between;align-items:center;margin-top:34px}.btn{border:1px solid var(--purple);padding:13px 22px;background:transparent;color:var(--purple);cursor:pointer}.btn.primary{background:var(--purple);color:white}.btn:disabled{opacity:.35;cursor:not-allowed}.complete{padding:64px 0;text-align:center}.complete .monogram{font-family:Georgia,serif;font-size:72px;color:var(--purple);opacity:.15}
.display-shell{padding:32px 3vw 48px;min-height:calc(100vh - 82px)}.display-head{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:end;padding-bottom:22px;border-bottom:1px solid var(--line)}.display-head h1{font-family:Georgia,"Noto Serif SC","Songti SC",serif;color:var(--purple);font-size:clamp(28px,3.5vw,50px);margin:8px 0 0}.live-meta{display:flex;gap:30px;align-items:end}.metric strong{display:block;font-family:Georgia,serif;font-size:38px;color:var(--purple)}.metric span{color:var(--muted);font-size:13px}.live-dot{width:9px;height:9px;border-radius:50%;background:#bc3d58;display:inline-block;margin-right:7px;animation:pulse 1.8s infinite}.display-grid{display:grid;grid-template-columns:250px minmax(0,1fr) 330px;gap:28px;margin-top:28px}.chapters{border-right:1px solid var(--line);padding-right:22px}.chapter{padding:15px 0;border-bottom:1px solid var(--line);cursor:pointer}.chapter small{color:var(--gold);font-family:Georgia,serif}.chapter strong{display:block;margin-top:5px;line-height:1.4}.chapter.active strong{color:var(--purple)}.chapter.active{position:relative}.chapter.active:before{content:"";position:absolute;left:-14px;top:13px;bottom:13px;width:3px;background:var(--gold)}.result-stage{min-width:0}.result-stage h2{font-family:Georgia,"Noto Serif SC","Songti SC",serif;font-size:32px;margin:0;color:var(--purple)}.result-stage .sub{color:var(--muted);margin:8px 0 30px}.bars{display:grid;gap:19px}.bar-row{display:grid;grid-template-columns:minmax(150px,240px) 1fr 58px;gap:14px;align-items:center}.bar-label{line-height:1.35}.bar-track{height:16px;background:#e8e1e8;position:relative;overflow:hidden}.bar-fill{position:absolute;inset:0 auto 0 0;background:linear-gradient(90deg,var(--purple),var(--purple-2));transition:width .7s cubic-bezier(.2,.8,.2,1)}.bar-value{font-family:Georgia,serif;color:var(--purple);font-weight:700}.inspector{border-left:1px solid var(--line);padding-left:26px}.join{padding-bottom:24px;border-bottom:1px solid var(--line)}.join img{width:150px;height:150px;display:block;margin-top:15px;border:8px solid var(--white);box-shadow:var(--shadow)}.join a{display:block;color:var(--purple);font-size:12px;margin-top:10px;word-break:break-all}.notes{margin-top:24px}.notes h3,.join h3{font-family:Georgia,"Noto Serif SC","Songti SC",serif;color:var(--purple);font-size:20px;margin:0}.note{padding:12px 0;border-bottom:1px solid var(--line);line-height:1.5;font-family:"Noto Serif SC","Songti SC",serif}.empty{color:var(--muted);font-style:italic}.admin{margin-top:24px}.admin button{border:0;background:transparent;color:#9d5264;padding:0;cursor:pointer;font-size:12px}
.platform-flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;align-items:center;gap:12px;margin:30px 0;padding:26px 0;border-top:1px solid var(--gold);border-bottom:1px solid var(--gold);color:var(--purple);font-family:"Noto Serif SC","Songti SC",serif}.platform-flow i{color:var(--gold);font-style:normal}.platform-intro>p{font-family:"Noto Serif SC","Songti SC",serif}.vibe-shell{max-width:980px}.expert-arena{margin:52px 0 0;border-top:1px solid var(--line)}.arena-head{padding:26px 0 18px}.arena-head span{color:var(--gold);font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase}.arena-head h3{margin:8px 0 0;font-family:Georgia,"Noto Serif SC","Songti SC",serif;color:var(--purple);font-size:clamp(22px,3vw,30px)}.expert-row{display:grid;grid-template-columns:210px 1fr;gap:34px;padding:19px 0;border-top:1px solid var(--line);animation:rise .45s ease both;animation-delay:var(--delay)}.expert-row strong{color:var(--purple);font-family:"Noto Serif SC","Songti SC",serif}.expert-row p{margin:0!important;color:var(--ink)!important}.build-brief{margin-top:46px;padding-top:28px;border-top:1px solid var(--gold)}.build-brief label{display:block;font-family:Georgia,"Noto Serif SC","Songti SC",serif;color:var(--purple);font-size:25px;font-weight:700}.build-brief p{margin:8px 0 18px}.admin{display:flex;gap:18px;flex-wrap:wrap}
.centered-actions{justify-content:center;gap:18px}.lab-shell{max-width:1440px;margin:0 auto;padding:48px 4vw 88px}.lab-hero{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(280px,.55fr);gap:7vw;align-items:end;padding:24px 0 52px}.lab-hero h1{font-family:Georgia,"Noto Serif SC","Songti SC",serif;color:var(--purple);font-size:clamp(38px,5.2vw,74px);line-height:1.08;margin:15px 0 22px}.lab-hero>div>p{max-width:780px;color:var(--muted);font-family:"Noto Serif SC","Songti SC",serif;font-size:18px;line-height:1.8}.lab-thesis{border-left:3px solid var(--gold);padding:8px 0 8px 26px}.lab-thesis small,.comparison small,.architecture small{display:block;color:var(--gold);font-size:11px;font-weight:800;letter-spacing:.12em}.lab-thesis strong{display:block;margin:12px 0;color:var(--purple);font-family:Georgia,"Noto Serif SC","Songti SC",serif;font-size:25px;line-height:1.45}.lab-thesis span{color:var(--muted);line-height:1.6}.comparison{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);background:rgba(255,253,248,.56);margin-bottom:64px}.comparison>div{padding:28px 32px}.comparison>div+div{border-left:1px solid var(--line);background:var(--purple);color:white}.comparison strong{display:block;margin:9px 0;font-family:"Noto Serif SC","Songti SC",serif;font-size:21px}.comparison>div:first-child strong{color:var(--purple)}.comparison p{margin:0;line-height:1.65;color:var(--muted)}.comparison>div+div p{color:rgba(255,255,255,.72)}.lab-workbench{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(360px,.8fr);gap:6vw;align-items:start}.section-no{display:block;color:var(--gold);font-family:Georgia,serif;font-size:12px;font-weight:700;letter-spacing:.16em}.workbench-form h2,.blueprint h2,.expert-console h2{font-family:Georgia,"Noto Serif SC","Songti SC",serif;color:var(--purple);font-size:clamp(26px,3vw,38px);margin:10px 0 32px}.workbench-form>label{display:block;margin:28px 0 10px;color:var(--purple);font-weight:700}.choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line);border-left:1px solid var(--line)}.lab-choice{min-height:66px;border:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,253,248,.48);padding:14px 16px;text-align:left;color:var(--ink);cursor:pointer}.lab-choice:hover,.lab-choice.selected{background:var(--purple-3);color:var(--purple)}.lab-choice.selected{box-shadow:inset 3px 0 var(--gold);font-weight:700}.privacy-no{margin-top:52px}.privacy-list{border-top:1px solid var(--line)}.privacy-choice{display:flex;align-items:center;gap:14px;width:100%;border:0;border-bottom:1px solid var(--line);background:transparent;padding:15px 2px;text-align:left;cursor:pointer}.privacy-choice span{width:25px;height:25px;border:1px solid var(--line);display:grid;place-items:center;color:var(--muted);flex:0 0 auto}.privacy-choice.selected{color:var(--purple);font-weight:700}.privacy-choice.selected span{background:var(--purple);color:white;border-color:var(--purple)}.privacy-meter{display:flex;justify-content:space-between;align-items:baseline;margin:18px 0 28px;color:var(--muted)}.privacy-meter strong{font-family:Georgia,serif;font-size:27px;color:var(--purple)}.generate-blueprint{width:100%;padding:16px}.expert-console{position:sticky;top:110px;border-top:3px solid var(--purple);background:rgba(255,253,248,.7);box-shadow:var(--shadow)}.console-head{padding:28px 30px 20px}.console-head>span{color:var(--gold);font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.console-head h2{margin:9px 0 8px;font-size:30px}.console-head p{margin:0;color:var(--muted);line-height:1.6}.expert-console article{display:grid;grid-template-columns:34px 1fr;gap:14px;padding:19px 30px;border-top:1px solid var(--line);animation:rise .4s ease both;animation-delay:var(--delay)}.expert-console article>small{font-family:Georgia,serif;color:var(--gold)}.expert-console article strong{color:var(--purple);font-family:"Noto Serif SC","Songti SC",serif}.expert-console article p{margin:6px 0 0;color:var(--muted);line-height:1.65}.blueprint{margin-top:88px;padding-top:34px;border-top:1px solid var(--gold);scroll-margin-top:110px}.blueprint-head{display:flex;justify-content:space-between;gap:30px;align-items:end}.blueprint-head h2{margin-bottom:7px}.blueprint-head p{margin:0;color:var(--muted)}.blueprint-status{border:1px solid var(--green);color:var(--green);padding:8px 13px;font-size:12px}.architecture{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line);margin-top:32px}.architecture article{padding:25px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-height:220px}.architecture h3{font-family:"Noto Serif SC","Songti SC",serif;color:var(--purple);font-size:19px;margin:12px 0}.architecture p{color:var(--muted);line-height:1.7;margin:0}.brief-panel{display:grid;grid-template-columns:minmax(240px,.65fr) minmax(0,1.35fr);gap:34px;margin-top:40px;padding:34px;background:var(--purple);color:white}.brief-panel h3{font-family:Georgia,"Noto Serif SC","Songti SC",serif;font-size:27px;margin:10px 0}.brief-panel p{color:rgba(255,255,255,.7);line-height:1.7}.brief-panel pre{white-space:pre-wrap;word-break:break-word;margin:0;background:rgba(0,0,0,.18);padding:24px;font-family:"SFMono-Regular",Consolas,monospace;font-size:13px;line-height:1.75;color:#fff}.brief-actions{grid-column:2;display:flex;justify-content:flex-end;gap:12px}.brief-actions .btn{border-color:white;color:white}.brief-actions .btn.primary{background:white;color:var(--purple)}.safety-note{display:grid;grid-template-columns:180px 1fr;gap:30px;margin-top:42px;padding-top:24px;border-top:1px solid var(--line)}.safety-note strong{color:#8e3d55}.safety-note p{margin:0;color:var(--muted);line-height:1.75}
.case-anatomy,.review-section,.prompt-era,.capability-section,.live-audit,.start-path{padding:60px 0;border-top:1px solid var(--line)}.case-intro,.section-heading{max-width:800px}.case-intro h2,.section-heading h2,.live-audit h2,.start-path h2{font-family:Georgia,"Noto Serif SC","Songti SC",serif;color:var(--purple);font-size:clamp(28px,3.5vw,44px);line-height:1.25;margin:10px 0}.case-intro p,.section-heading p,.live-audit p{color:var(--muted);font-size:17px;line-height:1.75}.review-table{margin-top:34px;border-top:3px solid var(--purple)}.review-table>article{display:grid;grid-template-columns:230px 1fr;border-bottom:1px solid var(--line)}.review-role{padding:24px 26px;background:rgba(68,32,95,.04)}.review-role small{display:block;color:var(--gold);font-family:Georgia,serif;margin-bottom:8px}.review-role strong{font-family:"Noto Serif SC","Songti SC",serif;color:var(--purple)}.review-table dl{display:grid;grid-template-columns:repeat(3,1fr);margin:0}.review-table dl>div{padding:24px;border-left:1px solid var(--line)}.review-table dt{color:var(--gold);font-size:11px;font-weight:800;letter-spacing:.12em}.review-table dd{margin:9px 0 0;line-height:1.65;color:var(--muted)}.prompt-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line);border-left:1px solid var(--line);margin-top:34px}.prompt-list article{display:grid;grid-template-rows:auto 1fr auto;min-height:270px;padding:27px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,253,248,.48)}.prompt-meta span{display:block;color:var(--gold);font-family:Georgia,serif;font-size:11px;letter-spacing:.12em}.prompt-meta strong{display:block;margin-top:9px;color:var(--purple);font-family:"Noto Serif SC","Songti SC",serif;font-size:20px}.prompt-list p{line-height:1.75;color:var(--muted)}.copy-prompt{justify-self:start;border:0;border-bottom:1px solid var(--purple);background:transparent;color:var(--purple);padding:4px 0;cursor:pointer}.capability-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);margin-top:34px;border:1px solid var(--line)}.capability-grid article{padding:30px;background:var(--white)}.capability-grid small{color:var(--gold);font-weight:800;letter-spacing:.13em}.capability-grid h3{font-family:"Noto Serif SC","Songti SC",serif;color:var(--purple);font-size:21px}.capability-grid p{color:var(--muted);line-height:1.7}.capability-grid code{display:block;margin-top:22px;padding:15px;background:var(--purple-3);color:var(--purple);white-space:normal;line-height:1.65}.live-audit{display:grid;grid-template-columns:minmax(0,.75fr) minmax(420px,1.25fr);gap:6vw;align-items:start}.audit-options{border-top:1px solid var(--line)}.audit-option{display:flex;gap:15px;align-items:center;width:100%;padding:17px 2px;border:0;border-bottom:1px solid var(--line);background:transparent;text-align:left;cursor:pointer}.audit-option span{width:21px;height:21px;border:1px solid #a99dab;border-radius:50%;flex:0 0 auto}.audit-option.selected{color:var(--purple);font-weight:700}.audit-option.selected span{background:var(--purple);box-shadow:inset 0 0 0 5px var(--white)}.audit-options>.btn{width:100%;margin-top:22px}.start-path ol{list-style:none;padding:0;margin:35px 0 0;border-top:1px solid var(--line);counter-reset:start}.start-path li{display:grid;grid-template-columns:34px 270px 1fr;gap:22px;padding:21px 0;border-bottom:1px solid var(--line);counter-increment:start}.start-path li:before{content:"0" counter(start);font-family:Georgia,serif;color:var(--gold)}.start-path li strong{color:var(--purple)}.start-path li span{color:var(--muted)}.source-note{margin-top:24px;color:var(--muted);font-size:13px}.source-note a{color:var(--purple)}
.research-background,.platform-evidence,.build-history,.growth-section,.iteration-section{padding:64px 0;border-top:1px solid var(--line)}.hero-actions{display:flex;gap:12px;margin-top:28px}.hero-actions .btn{display:inline-block;text-decoration:none}.background-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:34px}.background-grid article{padding:30px;background:var(--white);min-height:245px}.background-grid small{color:var(--gold);font-weight:800}.background-grid h3{font-family:"Noto Serif SC","Songti SC",serif;color:var(--purple);font-size:21px;line-height:1.45}.background-grid p{color:var(--muted);line-height:1.75}.research-metrics{display:grid;grid-template-columns:repeat(4,1fr);margin-top:22px;border-top:1px solid var(--line);border-left:1px solid var(--line)}.research-metrics>div{padding:24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.research-metrics strong{display:block;font-family:Georgia,serif;color:var(--purple);font-size:34px}.research-metrics span{color:var(--muted);font-size:13px}.platform-evidence{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(360px,.85fr);gap:5vw;align-items:center}.platform-evidence figure{margin:0}.platform-evidence img{display:block;width:100%;border:1px solid var(--line);box-shadow:var(--shadow)}.platform-evidence figcaption{margin-top:10px;color:var(--muted);font-size:12px}.platform-evidence h2,.build-history h2,.growth-section h2,.iteration-section h2{font-family:Georgia,"Noto Serif SC","Songti SC",serif;color:var(--purple);font-size:clamp(28px,3.5vw,44px);line-height:1.25;margin:10px 0}.platform-evidence ul,.growth-columns ul{padding-left:20px;color:var(--muted);line-height:1.8}.chain{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:28px 0;padding:18px 0;border-top:1px solid var(--gold);border-bottom:1px solid var(--gold);color:var(--purple);font-weight:700}.chain i{color:var(--gold);font-style:normal}.timeline{margin-top:42px;border-top:3px solid var(--purple)}.timeline article{display:grid;grid-template-columns:220px 1fr;border-bottom:1px solid var(--line)}.timeline-marker{display:flex;justify-content:space-between;gap:15px;padding:25px 27px;background:rgba(68,32,95,.04)}.timeline-marker small{font-family:Georgia,serif;color:var(--gold);font-size:18px}.timeline-marker span{color:var(--purple);font-weight:700}.timeline article>div:last-child{padding:25px 32px}.timeline h3{margin:0;color:var(--purple);font-family:"Noto Serif SC","Songti SC",serif;font-size:21px}.timeline p{margin:8px 0 0;color:var(--muted);line-height:1.75}.growth-columns{display:grid;grid-template-columns:1fr 1fr;margin-top:34px;border:1px solid var(--line)}.growth-columns article{padding:36px}.growth-columns article+article{background:var(--purple);color:white}.growth-columns small{color:var(--gold);font-weight:800;letter-spacing:.12em}.growth-columns h3{font-family:"Noto Serif SC","Songti SC",serif;font-size:25px;color:var(--purple)}.growth-columns article+article h3{color:white}.growth-columns p{color:var(--muted);line-height:1.75}.growth-columns article+article p,.growth-columns article+article ul{color:rgba(255,255,255,.75)}.iteration-cases{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line);margin-top:34px}.iteration-cases article{padding:28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,253,248,.48)}.iteration-cases small{color:var(--gold);font-weight:800;letter-spacing:.12em}.iteration-cases h3{font-family:"Noto Serif SC","Songti SC",serif;color:var(--purple);font-size:22px}.iteration-cases p{color:var(--muted);line-height:1.7}.iteration-cases p strong{display:block;color:var(--ink);font-size:12px;margin-bottom:4px}
#toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:var(--ink);color:white;padding:12px 18px;opacity:0;pointer-events:none;transition:.25s;z-index:20}#toast.show{opacity:1;transform:translate(-50%,0)}
@keyframes rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(188,61,88,.35)}50%{box-shadow:0 0 0 8px rgba(188,61,88,0)}}
@media(max-width:1050px){.display-grid{grid-template-columns:190px 1fr}.inspector{grid-column:1/-1;border-left:0;border-top:1px solid var(--line);padding:24px 0 0;display:grid;grid-template-columns:220px 1fr;gap:30px}.join img{width:120px;height:120px}.notes{margin-top:0}.lab-workbench{grid-template-columns:1fr}.expert-console{position:static}.architecture{grid-template-columns:repeat(2,1fr)}.review-table>article{grid-template-columns:190px 1fr}.capability-grid{grid-template-columns:1fr}.live-audit{grid-template-columns:1fr}.platform-evidence{grid-template-columns:1fr}.background-grid{grid-template-columns:1fr}.background-grid article{min-height:0}}
@media(max-width:720px){.topbar{height:auto;padding:14px 18px;align-items:flex-start;gap:8px}.brand-lockup small{display:none}.brand-lockup strong{font-size:14px}.topbar nav{display:grid;grid-template-columns:1fr 1fr;gap:0}.topbar nav button{padding:8px}.participant-shell{padding-top:34px}.platform-flow{grid-template-columns:1fr}.platform-flow i{transform:rotate(90deg);text-align:center}.expert-row{grid-template-columns:1fr;gap:6px}.display-shell{padding:24px 18px}.display-head{grid-template-columns:1fr}.live-meta{justify-content:space-between}.display-grid{grid-template-columns:1fr}.chapters{display:flex;overflow:auto;border-right:0;border-bottom:1px solid var(--line);padding:0;gap:24px}.chapter{min-width:160px}.chapter.active:before{left:0;right:0;top:auto;bottom:-1px;width:auto;height:3px}.inspector{grid-template-columns:1fr}.bar-row{grid-template-columns:110px 1fr 44px}.join img{width:140px;height:140px}.lab-shell{padding:30px 20px 70px}.lab-hero{grid-template-columns:1fr;gap:28px}.lab-hero h1{font-size:42px}.comparison{grid-template-columns:1fr}.comparison>div+div{border-left:0;border-top:1px solid var(--line)}.choice-grid{grid-template-columns:1fr}.privacy-meter{align-items:flex-start;gap:10px}.architecture{grid-template-columns:1fr}.blueprint-head{display:block}.blueprint-status{display:inline-block;margin-top:18px}.brief-panel{grid-template-columns:1fr;padding:24px 18px}.brief-actions{grid-column:1;justify-content:stretch}.brief-actions .btn{flex:1}.safety-note{grid-template-columns:1fr;gap:8px}.review-table>article{grid-template-columns:1fr}.review-table dl{grid-template-columns:1fr}.review-table dl>div{border-left:0;border-top:1px solid var(--line)}.prompt-list{grid-template-columns:1fr}.prompt-list article{min-height:0}.live-audit{grid-template-columns:1fr}.start-path li{grid-template-columns:30px 1fr}.start-path li span{grid-column:2}.case-anatomy,.review-section,.prompt-era,.capability-section,.live-audit,.start-path,.research-background,.platform-evidence,.build-history,.growth-section,.iteration-section{padding:45px 0}.hero-actions{flex-direction:column}.hero-actions .btn{text-align:center}.research-metrics{grid-template-columns:repeat(2,1fr)}.timeline article{grid-template-columns:1fr}.timeline-marker{padding:18px}.timeline article>div:last-child{padding:22px 18px}.growth-columns{grid-template-columns:1fr}.iteration-cases{grid-template-columns:1fr}.chain{align-items:flex-start}}