/* Researcher's field guide. Shared Frontier tokens, quieter editorial layout. */
.kit-page{--kit-blue:#607cd2;--kit-success:#337a60;--kit-danger:#ad4353;--kit-note:#f6f8fc}
[data-theme="dark"] .kit-page{--kit-blue:#a0b4fa;--kit-success:#90cbb1;--kit-danger:#f1a1ad;--kit-note:#1b202c}
.kit-page [hidden]{display:none!important}
.kit-page{overflow-x:clip}
.kit-page .main-nav [aria-current="page"]{color:var(--text)}
.kit-page .header-actions{margin-left:auto}
.kit-page .header.scrolled{border-bottom-color:var(--line)}
.kit-page .sub-cta{display:inline-flex;align-items:center}
.kit-home{display:none;font-size:12px;align-items:center;gap:8px;color:var(--text-2);padding:8px}
.sr-only{position:absolute;clip-path:inset(50%);width:1px;height:1px;overflow:hidden;white-space:nowrap}
.kit-hero{padding:14px 0 76px;overflow:hidden}
.kit-breadcrumb{display:flex;gap:12px;align-items:center;font-size:11px;color:var(--text-3);margin:16px 0 54px}
.kit-breadcrumb a:hover{color:var(--accent)}
.kit-breadcrumb>span[aria-hidden]{opacity:.45}
.kit-hero-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.85fr);gap:60px;align-items:center}
.kit-hero-copy{padding:22px 0 20px;animation:kit-enter .8s var(--ease) both}
.kit-eyebrow{display:flex;align-items:center;gap:9px;font-size:9px;font-weight:500;letter-spacing:.16em;color:var(--text-3);line-height:1.6}
.kit-asterisk{font-size:23px;color:var(--kit-blue);line-height:1}
.edition{font-family:var(--font-mono);letter-spacing:.02em;border-left:1px solid var(--line-strong);padding-left:12px;margin-left:3px;font-size:9px}
.kit-hero h1{font-size:clamp(48px,5.4vw,79px);font-weight:480;line-height:1.3;letter-spacing:-.065em;margin:27px 0 28px}
.kit-hero h1>span{background:linear-gradient(110deg,#668be3,#6e6bce 60%,#a583c1);background-clip:text;-webkit-background-clip:text;color:transparent}
[data-theme="dark"] .kit-hero h1>span{background-image:linear-gradient(110deg,#9fbfff,#b2a4ef 60%,#d0b7e4)}
.kit-subtitle{font-size:17px;font-weight:500;letter-spacing:-.025em;margin-bottom:12px}
.kit-intro{font-size:var(--type-body);line-height:1.85;color:var(--text-2);letter-spacing:.01em}
.kit-hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:29px}
.kit-hero-actions .frontier-button{font-size:13px;padding-inline:24px;height:50px;gap:18px}
.kit-meta{display:flex;align-items:center;gap:11px;font-size:10px;color:var(--text-3);margin-top:18px}
.kit-meta i{width:2px;height:2px;border-radius:50%;background:var(--text-3)}
.guide-art{position:relative;display:grid;place-items:center;height:470px;isolation:isolate;animation:kit-enter 1s var(--ease) .1s both}
.guide-orbit{position:absolute;width:114%;aspect-ratio:1;border:1px solid color-mix(in srgb,var(--kit-blue) 10%,transparent);border-radius:50%;z-index:-2;transform:scaleY(.86) rotate(-18deg)}
.guide-orbit::before{content:'';position:absolute;inset:27px;border:1px solid color-mix(in srgb,var(--kit-blue) 7%,transparent);border-radius:50%}
.guide-orbit::after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse,color-mix(in srgb,var(--kit-blue) 9%,transparent),transparent 65%);border-radius:50%}
.guide-sheet{position:absolute;width:326px;height:407px;border-radius:5px 13px 13px 5px;background:var(--surface);border:1px solid var(--line-strong);box-shadow:0 30px 60px -32px #31457540;transform:rotate(6deg);transition:transform .6s var(--ease)}
.guide-sheet-back{transform:translate(15px,1px) rotate(10deg);background:var(--bg-2);border-color:var(--line)}
.guide-cover{position:relative;padding:23px 26px 20px;background:linear-gradient(110deg,transparent 25%,color-mix(in srgb,var(--kit-blue) 5%,transparent)),var(--surface);overflow:hidden}
.guide-cover::before{content:'';position:absolute;left:8px;top:0;bottom:0;width:1px;background:var(--line)}
.guide-art:hover .guide-cover{transform:translateY(-5px) rotate(3deg)}
.cover-top{display:flex;align-items:center;justify-content:space-between;font-size:7px;font-family:var(--font-mono);letter-spacing:.04em;color:var(--text-3)}
.cover-title{font-family:var(--font-body);font-size:33px;line-height:1.12;font-weight:500;letter-spacing:-.055em;margin:27px 0 7px;color:var(--text)}
.cover-title>span{color:#758ad4}
.cover-sub{font-size:10px;letter-spacing:.08em;color:var(--text-2)}
.cover-diagram{width:100%;height:136px;margin:7px 0 4px}
.cover-index{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;border-top:1px solid var(--line);padding-top:12px}
.cover-index>div{display:flex;align-items:baseline;gap:8px}
.cover-index b{font-size:25px;font-weight:400;letter-spacing:-.065em;color:var(--kit-blue)}
.cover-index span{font-size:8px;color:var(--text-2);white-space:nowrap}
.cover-bottom{display:flex;align-items:center;justify-content:space-between;font-size:6px;letter-spacing:.08em;color:var(--text-3);margin-top:16px}
.cover-bottom>span:last-child{font-size:13px}
.guide-caption{position:absolute;bottom:-9px;font-size:10px;letter-spacing:.02em;color:var(--text-3);display:flex;align-items:center;gap:7px}
.caption-dot{width:4px;height:4px;border-radius:50%;background:#92a7cb}
.kit-roadmap{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;padding-top:22px;padding-bottom:25px}
.kit-roadmap>a{border-top:1px solid var(--line-strong);padding:25px 0 0;display:flex;align-items:flex-start;gap:20px;transition:border-color .2s}
.kit-roadmap>a:hover{border-color:var(--accent)}
.roadmap-number{font-size:32px;line-height:1;font-weight:400;letter-spacing:-.06em;color:var(--text-3);margin-top:6px}
.roadmap-stage{font-family:var(--font-mono);font-size:8px;letter-spacing:.05em;color:var(--text-3)}
.kit-roadmap strong{display:block;font-weight:500;font-size:15px;letter-spacing:-.02em;margin-top:5px}
.kit-roadmap strong>span{font-size:11px;color:var(--text-3);font-weight:400;margin-left:16px;letter-spacing:0}
.roadmap-arrow{font-size:22px;margin-left:auto;color:var(--text-3);transition:transform .25s}
.kit-roadmap a:hover .roadmap-arrow{transform:translate(3px,3px);color:var(--accent)}
.kit-workspace{display:grid;grid-template-columns:230px minmax(0,1fr);gap:72px;align-items:start;padding-top:80px;padding-bottom:78px}
.kit-sidebar{position:sticky;top:120px}
.kit-sidebar>.kit-eyebrow{font-size:8px;margin-bottom:20px}
.kit-section-nav{display:flex;flex-direction:column;gap:6px}
.kit-section-nav a{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--text-2);padding:11px 12px;border-radius:10px;white-space:nowrap;transition:background .2s,color .2s}
.kit-section-nav a>span{font-family:var(--font-mono);font-size:10px;color:var(--text-3)}
.kit-section-nav a>small{font-size:9px;color:var(--text-3);margin-left:auto}
.kit-section-nav a[aria-current]{background:var(--surface-2);color:var(--text)}
.kit-section-nav a[aria-current]>span{color:var(--accent)}
.kit-section-nav a:hover{background:var(--surface-2)}
.kit-progress-card{background:var(--bg-2);border:1px solid var(--line);border-radius:16px;padding:18px;margin-top:32px}
.kit-progress-card>div{display:flex;align-items:center;justify-content:space-between;font-size:11px}
#checkCount{font-family:var(--font-mono);font-size:10px;color:var(--text-3)}
#checkProgress{appearance:none;-webkit-appearance:none;display:block;width:100%;height:3px;border:0;border-radius:9px;background:var(--line-strong);accent-color:var(--accent);margin:14px 0 10px}
#checkProgress::-webkit-progress-bar{background:var(--line-strong);border-radius:9px}
#checkProgress::-webkit-progress-value{background:var(--accent);border-radius:9px;transition:width .25s}
#checkProgress::-moz-progress-bar{background:var(--accent);border-radius:9px}
.kit-progress-card p{font-size:var(--type-meta);line-height:1.7;color:var(--text-3)}
#resetChecks{font-size:var(--type-meta);color:var(--text-3);display:flex;gap:12px;align-items:center;margin-top:12px;text-decoration:underline;text-underline-offset:3px}
#resetChecks:disabled{opacity:.5;cursor:default}
.sidebar-return{display:flex;justify-content:space-between;align-items:center;font-size:10px;color:var(--text-3);margin:27px 12px 0}
.kit-article{min-width:0;max-width:960px}
.kit-part{scroll-margin-top:110px;padding-bottom:50px}
.kit-part:focus{outline:none}
.kit-part:focus-visible{outline:2px solid var(--accent);outline-offset:8px}
.part-heading{display:flex;align-items:center;gap:20px;margin-bottom:23px}
.part-heading .kit-eyebrow{font-family:var(--font-mono);font-size:8px;letter-spacing:.07em;margin-bottom:8px}
.part-number{align-self:flex-start;font-family:var(--font-mono);font-size:12px;color:var(--text-3);padding-top:3px}
.part-heading h2{font-size:clamp(24px,2.45vw,32px);font-weight:500;line-height:1.4;letter-spacing:-.04em}
.preview-badge{margin-left:auto;align-self:flex-start;font-size:9px;white-space:nowrap;border:1px solid var(--line);border-radius:20px;padding:4px 10px;color:var(--text-3)}
.part-intro{font-size:var(--type-body);line-height:1.85;color:var(--text-2);margin-bottom:28px;max-width:720px}
.question-list{border-top:1px solid var(--line)}
.check-row{display:flex;align-items:flex-start;gap:17px;padding:24px 0;border-bottom:1px solid var(--line);cursor:pointer}
.check-row input,.evidence-card input{appearance:none;-webkit-appearance:none;position:relative;flex:none;width:19px;height:19px;margin:5px 0 0;border:1px solid var(--line-strong);background:var(--surface);border-radius:5px;cursor:pointer;transition:background .2s,border-color .2s}
.check-row input:checked,.evidence-card input:checked{background:var(--accent);border-color:var(--accent)}
.check-row input:checked::after,.evidence-card input:checked::after{content:'';position:absolute;left:6px;top:3px;width:5px;height:9px;border:solid var(--accent-ink);border-width:0 1.5px 1.5px 0;transform:rotate(45deg)}
.check-copy{display:flex;flex-direction:column;gap:7px;flex:1;min-width:0}
.check-copy strong{font-size:17px;font-weight:500;letter-spacing:-.025em;line-height:1.6}
.check-copy>span{font-size:var(--type-body);line-height:1.85;color:var(--text-2);max-width:72ch}
.check-copy>.question-example{font-size:var(--type-detail);color:var(--text-3);border-left:2px solid var(--line-strong);padding-left:12px;margin-top:4px}
.question-number{font-family:var(--font-mono);font-size:9px;color:var(--text-3);margin-top:7px}
.check-row:has(input:checked) .check-copy>strong{color:var(--accent)}
.template-action{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:18px 0 30px}
.kit-text-button{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-size:var(--type-detail);color:var(--text-2);transition:color .2s}
.kit-text-button:hover{color:var(--accent)}
.kit-text-button svg{width:15px;height:15px}
#copyStatus{font-size:var(--type-meta);color:var(--kit-success)}
.task-template{white-space:pre-wrap;overflow-wrap:anywhere;font:var(--type-detail)/1.9 var(--font-mono);background:var(--bg-2);border:1px solid var(--line);border-radius:12px;padding:20px;margin:-10px 0 25px;color:var(--text-2)}
.case-note{border-radius:16px;background:var(--kit-note);padding:23px 26px}
.case-label{display:block;font-size:9px;letter-spacing:.07em;color:var(--text-3);font-weight:500;margin-bottom:10px}
.case-note p{font-size:var(--type-detail);line-height:1.85;color:var(--text-2);max-width:80ch}
.case-note strong{font-weight:500;color:var(--text)}
.kit-gate{border:1px solid var(--line);border-radius:26px;overflow:hidden;scroll-margin-top:110px;margin:6px 0 55px;background:var(--bg-2)}
.gate-preview{display:flex;justify-content:space-between;gap:20px;padding:20px 36px;border-bottom:1px solid var(--line);font-family:var(--font-mono);font-size:8px;letter-spacing:.1em;color:var(--text-3);background:linear-gradient(100deg,color-mix(in srgb,var(--kit-blue) 7%,var(--surface)),var(--surface))}
.gate-content{padding:34px 36px 32px}
.gate-content>.kit-eyebrow{font-size:8px}
.gate-content>h2{font-size:32px;font-weight:500;line-height:1.5;letter-spacing:-.04em;margin:13px 0}
.gate-description{font-size:var(--type-body);color:var(--text-2);line-height:1.9}
.gate-benefits{display:flex;gap:22px;flex-wrap:wrap;margin-top:20px;font-size:10px;color:var(--text-2)}
.gate-benefits i{font-style:normal;color:var(--kit-blue);margin-right:4px}
.gate-options{margin-top:29px;padding-top:28px;border-top:1px solid var(--line);display:grid;grid-template-columns:minmax(0,1fr) 200px;gap:30px}
.gate-email h3{font-size:14px;font-weight:500;margin-bottom:6px}
.gate-email>p{font-size:var(--type-detail);color:var(--text-2);line-height:1.8}
#kitForm{display:flex;gap:8px;margin-top:18px}
#kitEmail{width:0;flex:1;min-width:0;height:44px;border:1px solid var(--line-strong);border-radius:99px;background:var(--surface);padding:0 16px;font:inherit;font-size:var(--type-input);color:var(--text);outline:none}
#kitEmail:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
#kitEmail::placeholder{color:var(--text-3)}
.kit-button{flex:none;display:inline-flex;align-items:center;justify-content:center;gap:16px;padding:0 18px;height:44px;border-radius:99px;background:var(--pill);color:var(--pill-text);font-size:11px;transition:transform .2s,opacity .2s}
.kit-button:hover{transform:translateY(-1px)}
.kit-button:disabled{opacity:.6;cursor:progress;transform:none}
.kit-message{font-size:var(--type-meta);line-height:1.8;margin-top:9px;color:var(--text-2);overflow-wrap:anywhere}
.kit-message:empty{display:none}
.kit-message[data-state="error"]{color:var(--kit-danger)}
#kitPrivacy{font-size:var(--type-meta);line-height:1.8;color:var(--text-3);display:block;margin-top:12px}
.gate-wechat{display:flex;flex-direction:column;justify-content:flex-start;align-items:center;border-left:1px solid var(--line);padding-left:30px;text-align:center}
.gate-wechat img{width:86px;height:86px;border-radius:9px;background:#fff;border:5px solid #fff;margin-bottom:12px}
.gate-wechat .case-label{font-size:8px;margin-bottom:2px}
.gate-wechat strong{font-size:13px;font-weight:500}
.gate-wechat p{font-size:var(--type-meta);color:var(--text-3);line-height:1.85;margin-top:4px}
.gate-wechat b{font-weight:500;color:var(--accent)}
.unlock-status{font-size:var(--type-meta);color:var(--kit-success);line-height:1.8;border-top:1px solid var(--line);padding:24px 0 32px}
.unlock-status>span{margin-right:7px}
.evidence-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:26px 0}
.evidence-card{position:relative;display:flex;flex-direction:column;gap:11px;padding:26px;border:1px solid var(--line);border-radius:18px;background:var(--bg-2);cursor:pointer;transition:border-color .25s,background .25s}
.evidence-card:hover{border-color:var(--line-strong)}
.evidence-card input{position:absolute;right:22px;top:19px}
.evidence-index{font-family:var(--font-mono);font-size:8px;letter-spacing:.07em;color:var(--text-3);margin-bottom:11px;padding-right:26px}
.evidence-card strong{font-size:19px;font-weight:500;letter-spacing:-.03em}
.evidence-card>span:not(.evidence-index){font-size:var(--type-body);line-height:1.85;color:var(--text-2)}
.evidence-card small{font-size:var(--type-detail);line-height:1.85;color:var(--text-3)}
.evidence-card:has(input:checked){border-color:var(--accent);background:var(--accent-soft)}
.case-data{padding:28px 0 0}
.case-data-heading h3{font-size:23px;font-weight:500;letter-spacing:-.03em;margin:9px 0 25px}
.case-numbers{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.case-numbers>div{border-top:1px solid var(--line-strong);padding-top:18px}
.case-numbers b{display:block;font-size:35px;font-weight:400;letter-spacing:-.065em;margin-bottom:8px;font-variant-numeric:tabular-nums}
.case-numbers>div:last-child b{color:var(--accent)}
.case-numbers span{display:block;font-size:10px;color:var(--text-2)}
.case-numbers small{display:block;font-size:9px;color:var(--text-3);margin-top:4px}
.case-data>p{font-size:var(--type-detail);line-height:1.85;padding:18px 20px;background:var(--kit-note);border-radius:12px;margin-top:24px;color:var(--text-2)}
.case-data strong{font-weight:500;color:var(--text)}
#p3{padding-top:16px}
.myth-list{margin-top:24px;border-top:1px solid var(--line)}
.myth-row{display:flex;align-items:flex-start;gap:25px;border-bottom:1px solid var(--line);padding:27px 0}
.myth-number{font-family:var(--font-mono);font-size:11px;color:var(--text-3);margin-top:4px}
.myth-row h3{font-size:18px;font-weight:500;letter-spacing:-.02em;line-height:1.7;margin:10px 0 7px}
.myth-row p{font-size:var(--type-body);color:var(--text-2);line-height:1.85;max-width:72ch}
.myth-row .myth-claim{color:var(--kit-danger);font-size:var(--type-detail);line-height:1.85}
.myth-claim>span{font-size:9px;border:1px solid color-mix(in srgb,var(--kit-danger) 20%,transparent);border-radius:20px;padding:3px 7px;margin-right:9px;white-space:nowrap}
.kit-takeaway{background:var(--bg-2);padding:36px;border-radius:22px;margin:3px 0 55px}
.kit-takeaway>.kit-eyebrow{font-size:8px}
.kit-takeaway h2{font-size:32px;font-weight:500;letter-spacing:-.04em;line-height:1.5;margin:14px 0}
.kit-takeaway>p:not(.kit-eyebrow){font-size:var(--type-body);line-height:1.9;color:var(--text-2);max-width:600px}
.kit-takeaway .kit-hero-actions{gap:24px;margin-top:22px}
.kit-references{scroll-margin-top:110px;border-top:1px solid var(--line);padding-top:35px}
.kit-references>.kit-eyebrow{font-size:8px}
.kit-references h2{font-size:24px;font-weight:500;letter-spacing:-.03em;margin:13px 0}
.kit-references>p:not(.kit-eyebrow){font-size:var(--type-detail);line-height:1.85;color:var(--text-3);margin-bottom:15px;max-width:80ch}
.kit-references ol{padding-left:20px;color:var(--text-3);font-size:var(--type-detail);overflow-wrap:anywhere}
.kit-references li{padding:7px 0 7px 5px;line-height:1.9}
.kit-references a{color:var(--text-2)}
.kit-references a:hover{color:var(--accent)}
.kit-references a span{margin-left:6px}
.kit-footer{background:var(--bg-2);padding:36px 0}
.kit-footer>.container{display:flex;align-items:center;justify-content:space-between;gap:24px;font-size:11px;color:var(--text-3)}
.kit-footer-brand{font-size:16px;font-weight:500;color:var(--text);letter-spacing:-.02em}
.kit-footer-brand>span{display:block;font-size:10px;font-weight:400;letter-spacing:0;color:var(--text-3);margin-top:6px}
.kit-footer>.container>a:last-child{display:flex;align-items:center;gap:12px}
@keyframes kit-enter{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@media(max-width:1200px){
  .kit-hero-grid{gap:32px;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr)}.kit-hero h1{font-size:58px}.guide-sheet{width:296px;height:392px}.guide-cover{padding-inline:24px}.cover-title{font-size:30px}.cover-index>div{gap:5px}.cover-index b{font-size:23px}.cover-index span{font-size:7px}.guide-art{height:440px}
  .kit-workspace{grid-template-columns:200px minmax(0,1fr);gap:45px}.roadmap-number{font-size:28px}.kit-roadmap>a{gap:15px}.kit-roadmap strong>span{display:block;margin:4px 0 0}.gate-options{grid-template-columns:minmax(0,1fr);gap:25px}.gate-wechat{border-left:0;border-top:1px solid var(--line);padding:22px 0 0;flex-direction:row;gap:18px;text-align:left}.gate-wechat img{margin:0;width:76px;height:76px}.gate-wechat .case-label{font-size:9px}.gate-wechat strong{font-size:14px}.gate-wechat p{font-size:var(--type-meta)}
}
@media(max-width:900px){
  .kit-home{display:inline-flex}.kit-hero{padding-bottom:50px}.kit-breadcrumb{margin-bottom:28px}.kit-hero h1{font-size:clamp(43px,6.3vw,55px);margin-block:24px}.kit-hero-grid{gap:22px;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr)}.kit-hero-copy>.kit-eyebrow{font-size:7px;gap:7px}.kit-hero-copy .edition{display:none}.kit-subtitle{font-size:15px}.kit-intro{font-size:var(--type-body)}.kit-hero-actions{gap:8px}.kit-hero-actions .frontier-button{font-size:11px;height:44px;padding-inline:17px;gap:12px}.guide-art{height:370px}.guide-sheet{width:234px;height:335px}.guide-cover{padding:20px}.cover-title{font-size:25px;margin-top:24px}.cover-top{font-size:6px}.cover-sub{font-size:8px}.cover-diagram{height:104px}.cover-index{gap:7px;padding-top:10px}.cover-index>div{display:block}.cover-index b{font-size:21px;display:block}.cover-index span{font-size:7px;display:block;margin-top:0}.cover-bottom{font-size:5px;margin-top:12px}.guide-caption{font-size:8px;bottom:-12px}
  .kit-workspace{grid-template-columns:170px minmax(0,1fr);gap:30px;padding-top:55px}.kit-section-nav a{font-size:11px;padding-inline:8px;gap:9px}.kit-section-nav a>small{font-size:8px}.kit-progress-card{padding:15px}.sidebar-return{margin-inline:8px;font-size:9px}.part-heading{gap:14px;flex-wrap:wrap}.preview-badge{display:none}.part-heading h2{font-size:25px}.part-intro{font-size:var(--type-body)}.check-copy strong{font-size:16px}.gate-content{padding:28px}.gate-preview{padding-inline:28px}.gate-content>h2{font-size:28px}.gate-benefits{gap:10px;font-size:9px}.evidence-grid{grid-template-columns:1fr}.case-numbers{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.case-numbers b{font-size:34px}.case-numbers span{font-size:11px}.kit-takeaway{padding:28px}.kit-takeaway h2{font-size:28px}
}
@media(max-width:640px){
  .kit-page .header .container{gap:8px}.kit-page .header-actions{gap:5px}.kit-page .icon-btn.theme{display:grid}.kit-page .sub-cta{margin-left:0}
  .kit-hero{padding-top:6px;padding-bottom:38px}.kit-breadcrumb{font-size:10px;margin:14px 0 25px}.kit-hero-grid{grid-template-columns:1fr;gap:20px}.kit-hero-copy{padding:6px 0 0}.kit-hero-copy>.kit-eyebrow{font-size:8px;gap:7px}.kit-hero-copy .edition{display:inline;font-size:8px;padding-left:9px;margin-left:0}.kit-asterisk{font-size:19px}.kit-hero h1{font-size:clamp(39px,10.7vw,62px);margin:23px 0 21px;letter-spacing:-.07em;line-height:1.3}.kit-subtitle{font-size:15px;margin-bottom:9px}.kit-intro{font-size:var(--type-body);line-height:1.85}.kit-hero-actions{margin-top:23px;gap:9px}.kit-hero-actions .frontier-button{font-size:11px;height:44px;padding-inline:18px;gap:12px}.kit-meta{font-size:9px;margin-top:15px}
  .guide-art{height:348px;margin:10px 0 18px}.guide-sheet{width:236px;height:306px}.guide-cover{padding:18px 21px}.cover-title{font-size:26px;margin-top:22px}.cover-diagram{height:95px;margin-top:2px}.cover-index>div{display:flex;gap:5px}.cover-index b{font-size:21px}.cover-index span{font-size:7px}.cover-bottom{font-size:5px;margin-top:11px}.guide-caption{bottom:-7px;font-size:9px}.guide-orbit{width:320px;height:320px}.guide-orbit::before{inset:20px}
  .kit-roadmap{grid-template-columns:1fr;gap:0;padding-top:0;padding-bottom:0}.kit-roadmap>a{padding:19px 0;align-items:center;gap:18px}.kit-roadmap>a:last-child{border-bottom:1px solid var(--line-strong)}.roadmap-number{font-size:28px;margin-top:0;min-width:30px}.roadmap-stage{font-size:7px}.kit-roadmap strong{font-size:14px;margin-top:3px}.kit-roadmap strong>span{display:inline;font-size:10px;margin-left:12px}.roadmap-arrow{font-size:20px}
  .kit-workspace{display:block;padding-top:35px;padding-bottom:45px}.kit-sidebar{position:static;margin-bottom:40px}.kit-sidebar>.kit-eyebrow,.sidebar-return,.kit-section-nav a:last-child{display:none}.kit-section-nav{display:flex;flex-direction:row;overflow-x:auto;gap:6px;padding:0 0 6px;scrollbar-width:none}.kit-section-nav::-webkit-scrollbar{display:none}.kit-section-nav a{padding:9px 10px;font-size:10px;gap:7px;flex:none}.kit-section-nav a>span{font-size:8px}.kit-section-nav a>small{display:none}.kit-progress-card{margin-top:14px;padding:15px 18px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:0 22px}.kit-progress-card>div{grid-column:1;font-size:10px;gap:16px}#checkCount{font-size:9px}#checkProgress{grid-column:1;margin:10px 0 7px;height:3px}.kit-progress-card p{grid-column:1;font-size:var(--type-meta)}#resetChecks{grid-column:2;grid-row:1/4;margin:0;align-self:center;font-size:var(--type-meta);gap:6px}
  .kit-part{padding-bottom:36px;scroll-margin-top:90px}.part-heading{gap:12px;flex-wrap:nowrap;margin-bottom:18px}.part-number{font-size:10px}.part-heading .kit-eyebrow{font-size:7px;margin-bottom:6px}.part-heading h2{font-size:24px;line-height:1.5;letter-spacing:-.045em}.part-intro{font-size:var(--type-body);margin-bottom:20px;line-height:1.85}.check-row{padding:21px 0;gap:13px}.check-row input{width:18px;height:18px;margin-top:5px}.check-copy strong{font-size:16px}.check-copy>span{font-size:var(--type-body);line-height:1.85}.question-number{display:none}.check-copy>.question-example{font-size:var(--type-detail)}.template-action{margin:17px 0 23px;gap:12px}.kit-text-button{font-size:var(--type-detail)}.case-note{padding:20px}.case-label{font-size:9px}.case-note p{font-size:var(--type-detail);line-height:1.85}
  .kit-gate{margin:0 0 38px;border-radius:20px;scroll-margin-top:90px}.gate-preview{padding:17px 22px;font-size:7px;gap:12px}.gate-content{padding:26px 22px}.gate-content>.kit-eyebrow{font-size:7px}.gate-content>h2{font-size:27px;margin:12px 0}.gate-description{font-size:var(--type-body)}.gate-break{display:none}.gate-benefits{gap:7px 14px;font-size:9px;margin-top:16px}.gate-options{margin-top:23px;padding-top:22px;gap:22px}.gate-email h3{font-size:14px}.gate-email>p{font-size:var(--type-detail)}#kitForm{flex-direction:column;margin-top:15px;gap:9px}#kitEmail{width:100%;flex:none;height:44px;font-size:var(--type-input)}.kit-button{height:44px;font-size:12px}#kitPrivacy{font-size:var(--type-meta);line-height:1.9;margin-top:10px}.gate-wechat{padding-top:22px;gap:16px}.gate-wechat img{width:80px;height:80px}.gate-wechat .case-label{font-size:9px}.gate-wechat p{font-size:var(--type-meta)}
  .unlock-status{font-size:var(--type-meta);padding:21px 0 26px}.evidence-grid{gap:12px;margin:20px 0}.evidence-card{padding:24px}.evidence-card strong{font-size:19px}.evidence-card input{top:17px;right:21px}.evidence-card>span:not(.evidence-index){font-size:var(--type-body)}.evidence-card small{font-size:var(--type-detail)}.case-data{padding-top:15px}.case-data-heading h3{font-size:23px;margin-bottom:20px}.case-numbers{gap:23px 18px}.case-numbers b{font-size:35px}.case-numbers>div{padding-top:14px}.case-numbers span{font-size:10px}.case-data>p{font-size:var(--type-detail);margin-top:22px;padding:17px 18px}
  #p3{padding-top:8px}.myth-row{gap:14px;padding:23px 0}.myth-number{font-size:9px}.myth-row .myth-claim{font-size:var(--type-detail)}.myth-claim>span{font-size:8px;padding:2px 6px;margin-right:5px}.myth-row h3{font-size:17px;margin-top:12px}.myth-row p{font-size:var(--type-body)}.kit-takeaway{padding:27px 22px;border-radius:20px;margin-bottom:38px}.kit-takeaway>.kit-eyebrow{font-size:7px}.kit-takeaway h2{font-size:27px;margin:12px 0}.kit-takeaway .kit-hero-actions{gap:20px}.kit-references{padding-top:28px;scroll-margin-top:90px}.kit-references h2{font-size:24px}.kit-references>p:not(.kit-eyebrow),.kit-references ol{font-size:var(--type-detail)}.kit-references li{padding-left:2px}
  .kit-footer{padding:30px 0}.kit-footer>.container{flex-wrap:wrap;gap:23px;font-size:10px}.kit-footer-brand{flex-basis:100%;font-size:17px}.kit-footer-brand>span{font-size:10px;margin-top:5px}.kit-footer>.container>a:last-child{margin-left:auto;gap:6px}
}
@media(max-width:374px){.kit-home{display:none}.kit-hero-copy .edition{display:none}.kit-hero-actions .frontier-button{padding-inline:15px;gap:8px;font-size:10px}.guide-orbit{width:285px;height:285px}.kit-roadmap strong>span{font-size:9px;margin-left:10px}.part-heading h2{font-size:22px}.kit-section-nav a{font-size:9px;padding-inline:9px}.kit-section-nav a>span{font-size:8px}.gate-content{padding-inline:20px}.gate-benefits{gap:6px 10px;font-size:8px}.kit-footer>.container{gap:20px 10px;font-size:9px}}
@media(prefers-reduced-motion:reduce){.kit-hero-copy,.guide-art{animation:none}.guide-art:hover .guide-cover{transform:rotate(6deg)}.guide-sheet,.roadmap-arrow,#checkProgress::-webkit-progress-value{transition:none}}
@media print{
  @page{size:A4;margin:15mm}
  :root,[data-theme="dark"],[data-theme="light"]{--bg:#fff;--bg-2:#fafafa;--surface:#fff;--surface-2:#fafafa;--line:#ddd;--line-strong:#ccc;--text:#111;--text-2:#333;--text-3:#666;--accent:#3655a8;--accent-ink:#fff;--kit-note:#f7f7f7;--kit-blue:#3655a8;--kit-success:#265e41;--kit-danger:#943245;color-scheme:light}
  .kit-page{font-size:10pt;background:#fff;color:#111;--kit-note:#f7f7f7;--kit-blue:#3655a8;--kit-success:#265e41;--kit-danger:#943245}
  .header,.skip-link,.kit-breadcrumb,.guide-art,.kit-meta,.kit-hero-actions,.kit-roadmap,.kit-sidebar,.template-action,.task-template,.kit-gate,.kit-footer,.unlock-status,.preview-badge,.kit-takeaway{display:none!important}
  .container{max-width:none;padding:0}.kit-hero{padding:0 0 7mm;overflow:visible}.kit-hero-grid{display:block}.kit-hero-copy{padding:0;animation:none}.kit-hero-copy>.kit-eyebrow{display:none}.kit-hero h1{font-size:25pt;line-height:1.35;margin:0 0 4mm;letter-spacing:-.03em}.kit-hero h1 br{display:none}.kit-hero h1>span{background:none;color:#111}.kit-subtitle{font-size:13pt;margin-bottom:2mm}.kit-intro{font-size:9pt;line-height:1.6}.kit-intro br{display:none}
  .check-copy>span,.case-note p,.myth-row p,.kit-references>p:not(.kit-eyebrow){max-width:none}
  .kit-workspace{display:block;padding:0}.kit-article{max-width:none}.kit-part{padding-bottom:7mm}.part-heading{gap:4mm;margin-bottom:3mm;break-after:avoid}.part-heading h2{font-size:16pt}.part-heading .kit-eyebrow{font-size:6pt;margin-bottom:1mm}.part-number{font-size:8pt}.part-intro{font-size:9pt;margin-bottom:3mm;line-height:1.7}
  .check-row{padding:4mm 0;gap:3mm;break-inside:avoid}.check-copy strong{font-size:11pt}.check-copy>span,.check-copy>.question-example{font-size:9pt;line-height:1.7}.check-row input,.evidence-card input{print-color-adjust:exact;-webkit-print-color-adjust:exact}.case-note{padding:4mm 5mm;break-inside:avoid}.case-note p{font-size:8pt;line-height:1.7}.case-label{font-size:7pt}
  .evidence-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:3mm;margin:4mm 0}.evidence-card{padding:5mm;break-inside:avoid;border-color:#ccc;background:#fff}.evidence-card strong{font-size:12pt}.evidence-card>span:not(.evidence-index),.evidence-card small{font-size:8pt;line-height:1.7}.evidence-index{font-size:6pt;margin-bottom:1mm}.evidence-card input{top:3mm;right:4mm}
  .case-data{padding-top:3mm;break-inside:avoid}.case-data-heading h3{font-size:13pt;margin-bottom:3mm}.case-numbers{grid-template-columns:repeat(4,minmax(0,1fr));gap:3mm}.case-numbers b{font-size:22pt}.case-numbers span,.case-numbers small{font-size:7pt}.case-data>p{font-size:8pt;margin-top:4mm;padding:3mm 4mm}
  #p3{padding-top:3mm}.myth-list{margin-top:3mm}.myth-row{padding:4mm 0;gap:4mm;break-inside:avoid}.myth-row h3{font-size:11pt;margin:2mm 0}.myth-row p,.myth-row .myth-claim{font-size:8pt;line-height:1.7}.myth-claim>span{font-size:6pt}.kit-references{padding-top:5mm}.kit-references h2{font-size:13pt}.kit-references>p:not(.kit-eyebrow),.kit-references ol{font-size:8pt;line-height:1.7}.kit-references li{padding-block:1mm}.kit-references{break-inside:avoid}
  .locked .kit-article::after{content:'完整版可在 aiphas.ai/kit/ai-checklist/ 领取。';display:block;margin-top:5mm;font-size:9pt;color:#666}
}