:root{--paper:#f6f4ed;--card:#fffefa;--ink:#213d34;--muted:#64736b;--green:#24493f;--green2:#e7ede4;--orange:#bb5b35;--orange2:#f5e5d8;--line:#dcded3;--blue:#496b79;--rail:212px;--top:68px;--bottom:76px;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:disabled{cursor:default;opacity:.3}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid #dc885f;outline-offset:4px}a{color:inherit;text-decoration-thickness:1px;text-underline-offset:4px}button{border:0}h1,h2,h3,p{margin:0}p{line-height:1.8}h1{font-size:clamp(31px,3.15vw,49px);font-weight:650;line-height:1.3;letter-spacing:-.035em;max-width:1000px}h2{font-size:26px;line-height:1.4;font-weight:600}h3{font-size:21px;line-height:1.5;font-weight:600}small{font-size:13px}.skip{position:fixed;top:-100px;left:20px;background:var(--green);color:white;padding:15px;z-index:100}.skip:focus{top:8px}
.rail{width:var(--rail);position:fixed;inset:0 auto 0 0;background:var(--green);color:#f5f2e7;padding:32px 23px;display:flex;flex-direction:column;z-index:25}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-size:24px;font-weight:600;letter-spacing:2px}.brand small{display:block;font-size:10px;font-weight:400;letter-spacing:2px;margin-top:5px;color:#c4d0c6}.brand-mark{width:43px;height:48px;display:grid;place-content:center;border:1px solid #779286;border-radius:4px;font-size:25px;position:relative}.brand-mark>span{font-size:13px;color:#f1ad7f;position:absolute;right:-6px;top:-7px;background:var(--green)}.rail-caption{font-size:11px;color:#b7c9be;margin:35px 0 20px;letter-spacing:.09em}.rail nav{display:flex;flex-direction:column;gap:7px}.chapter-link{display:flex;align-items:center;gap:12px;text-decoration:none;padding:11px 10px;border-radius:6px;font-size:13px;color:#c9d7cc;transition:background .2s}.chapter-link .chapter-no{font:italic 17px Georgia,serif;opacity:.55;width:19px}.chapter-link.active{background:#ffffff15;color:white}.chapter-link.active .chapter-no{color:#f3ac7b;opacity:1}.chapter-link:hover{background:#ffffff12}.rail-bottom{margin-top:auto;font-size:10px;color:#c7d4ca;line-height:2.2}.rail-bottom>span:last-child{color:#91ad9d}.live-dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:#e3a67c;margin-right:6px}.topbar{position:fixed;left:var(--rail);top:0;right:0;height:var(--top);background:#f6f4edf5;backdrop-filter:blur(12px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 42px;z-index:20}.top-label{font-size:12px;letter-spacing:1px;color:var(--muted)}.mobile-brand{display:none}.tools{display:flex;gap:20px}.quiet{padding:8px 0;background:none;font-size:12px;color:var(--ink)}.quiet:hover{color:var(--orange)}
main{margin-left:var(--rail);padding-top:var(--top);padding-bottom:var(--bottom);min-height:100svh}.slide{display:none;position:relative;max-width:1320px;margin:0 auto;min-height:calc(100svh - var(--top) - var(--bottom));padding:44px 52px 30px;flex-direction:column;animation:arrive .24s ease both}.slide.active{display:flex}.eyebrow{display:inline-block;font-size:11px;letter-spacing:.18em;font-weight:600;color:var(--orange);margin-bottom:17px}.slide-title{margin-bottom:15px}.intro{font-size:17px;line-height:1.85;color:var(--muted);max-width:900px;margin-bottom:26px}.slide-content{flex:1;display:flex;flex-direction:column;justify-content:center;gap:23px}.slide-content>div,.slide-content>section{min-width:0}.takeaway{display:flex;gap:12px;padding:15px 20px;background:var(--green2);border-left:3px solid #688576;border-radius:0 6px 6px 0;font-size:15px;line-height:1.75;margin-top:6px}.takeaway>span{color:#769180;font-size:21px;line-height:1.15;flex-shrink:0}.sources{font-size:10px;line-height:1.8;color:#778378;margin-top:21px;padding-top:10px;border-top:1px solid var(--line)}.sources a{color:#6e7e70;margin-right:12px}.sources strong{font-weight:500}.muted{color:var(--muted)}.orange{color:var(--orange)}.big{font-size:clamp(35px,4.3vw,67px);line-height:1.15;letter-spacing:-.04em}.accent-serif{font:italic 33px Georgia,serif;color:var(--orange)}.small-note{font-size:12px;line-height:1.85;color:var(--muted)}.pill{display:inline-flex;gap:6px;align-items:center;padding:6px 10px;border:1px solid var(--line);border-radius:99px;font-size:11px;line-height:1.4;width:max-content;max-width:100%;color:var(--muted)}.pill.filled{background:var(--green2);border-color:var(--green2);color:var(--green)}.pill.orange-pill{background:var(--orange2);border-color:var(--orange2);color:#984d30}.tag-row{display:flex;gap:7px;flex-wrap:wrap}.split{display:grid;grid-template-columns:1fr 1fr;gap:28px}.split.wide-left{grid-template-columns:1.2fr 1fr}.grid{display:grid;gap:18px}.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:24px;min-width:0}.card h3{margin:9px 0}.card p{font-size:14px;color:var(--muted);line-height:1.85}.card .label{font-size:11px;letter-spacing:.12em;color:var(--orange);text-transform:uppercase}.card.green{background:var(--green);border-color:var(--green);color:var(--paper)}.card.green p{color:#cddbd0}.card.soft{background:var(--green2);border-color:var(--green2)}.card.orange-card{background:var(--orange2);border-color:var(--orange2)}.mini-num{font:italic 31px Georgia,serif;color:#9aa98f}.text-link{display:inline-block;font-size:12px;color:var(--orange);margin-top:14px}.plain-list{list-style:none;padding:0;margin:0}.plain-list li{position:relative;padding-left:16px;margin:13px 0;font-size:15px;line-height:1.8}.plain-list li:before{content:"";position:absolute;left:0;top:11px;width:4px;height:4px;background:var(--orange);border-radius:50%}.line-list{list-style:none;padding:0;margin:0}.line-list li{padding:15px 0;border-bottom:1px solid var(--line);font-size:15px;line-height:1.8}.line-list li:first-child{padding-top:0}.line-list li:last-child{border:0;padding-bottom:0}.quote{font-size:27px;line-height:1.7;font-weight:500;letter-spacing:-.02em}.quote small{display:block;font-size:12px;font-weight:400;color:var(--muted);margin-top:17px}.step-line{display:flex;align-items:stretch;gap:12px}.step{flex:1;padding:22px 17px;border-top:2px solid #92a58e;background:#eef0e8;border-radius:0 0 6px 6px;min-width:0}.step b{display:block;font-size:18px;margin:8px 0}.step p{font-size:13px;line-height:1.9;color:var(--muted)}.step-number{font:italic 22px Georgia,serif;color:var(--orange)}.arrow-sep{align-self:center;color:#8b9a85}.divider{height:1px;background:var(--line);margin:10px 0}.compare-row{display:grid;grid-template-columns:1fr 28px 1.3fr;gap:12px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line);font-size:15px;line-height:1.75}.compare-row:last-child{border:0}.compare-row>span:first-child{color:var(--muted)}.compare-row .arrow{color:var(--orange)}.tiny-table{width:100%;border-collapse:collapse;font-size:13px;line-height:1.9}.tiny-table th{text-align:left;font-weight:500;color:var(--muted);padding:10px 12px;border-bottom:1px solid var(--line)}.tiny-table td{padding:14px 12px;border-bottom:1px solid var(--line);vertical-align:top}.tiny-table tbody tr:last-child td{border:0}.tiny-table td:first-child{font-weight:600;color:var(--ink)}.tiny-table .muted{font-weight:400}.table-wrap{overflow-x:auto;border:1px solid var(--line);background:var(--card);border-radius:9px}.tiny-table td,.tiny-table th{min-width:65px}.resource-list{display:grid;gap:13px}.resource{display:grid;grid-template-columns:45px 1fr auto;gap:18px;padding:21px 0;border-bottom:1px solid var(--line);align-items:start}.resource:last-child{border-bottom:0}.resource p{font-size:14px;color:var(--muted);margin-top:5px;line-height:1.8}.resource .text-link{white-space:nowrap;margin-top:5px}.resource .resource-icon{height:40px;width:40px;display:grid;place-items:center;font-size:17px;background:var(--green2);border-radius:8px}.resource h3{font-size:19px}.action-button{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--green);color:#fffbed;border-radius:6px;padding:12px 19px;font-size:13px;text-decoration:none;line-height:1.6}.action-button:hover{background:#35624f}.action-button.secondary{background:transparent;color:var(--green);border:1px solid var(--line)}.button-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.sub-label{font-size:12px;color:var(--orange);font-weight:500;margin-bottom:10px}.controls{position:fixed;left:var(--rail);right:0;bottom:0;height:var(--bottom);background:var(--paper);display:flex;align-items:center;justify-content:space-between;padding:9px 42px 0;z-index:20}.progress-track{position:absolute;height:2px;background:var(--line);top:0;left:0;right:0}.progress-track>div{height:100%;background:var(--orange);transition:width .25s}.key-hint{font-size:10px;color:#859082;letter-spacing:.03em}.key-hint>span{margin:0 7px}.pager{display:flex;align-items:center;gap:18px}#pageCount{font-size:12px;letter-spacing:.08em;font-variant-numeric:tabular-nums;color:var(--muted);width:60px;text-align:center}.nav-button{width:38px;height:38px;border:1px solid #d7dbd0;border-radius:50%;background:none;color:var(--green);font-size:18px;display:grid;place-items:center}.nav-button:hover:not(:disabled){background:var(--green2)}.nav-button.next{background:var(--green);color:white;border-color:var(--green)}.nav-button.next:hover:not(:disabled){background:#3b6250}
.cover .slide-content{justify-content:space-between}.cover-layout{display:grid;grid-template-columns:1.2fr 1fr;align-items:center;gap:35px;margin:auto 0}.cover h1{font-size:clamp(40px,4.1vw,66px);line-height:1.35;font-weight:600;letter-spacing:-.045em}.cover h1 em{font-style:normal;color:var(--orange)}.cover .intro{font-size:16px;margin:24px 0 27px;line-height:1.95;max-width:450px}.cover-tags{margin-top:40px}.hero-art{width:100%;max-width:390px;justify-self:end}.cover .eyebrow{color:var(--green);font-size:10px;letter-spacing:.22em;margin-bottom:24px}.cover-bottom{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:19px;font-size:11px;color:var(--muted);gap:20px;line-height:1.8}.chapter-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:38px}.chapter-card{display:flex;align-items:center;gap:20px;border-bottom:1px solid var(--line);padding:20px 0;text-decoration:none}.chapter-card b{font-weight:500;font-size:19px}.chapter-card small{display:block;font-size:12px;color:var(--muted);margin-top:7px}.chapter-card:last-child{border:0}.chapter-card .accent-serif{min-width:38px}.chapter-card:hover b{color:var(--orange)}.metric-card{background:var(--card);padding:26px;border:1px solid var(--line);border-radius:10px}.metric-card .metric-label{font-size:13px;color:var(--muted);margin-bottom:18px}.metric-card .metric-value{font-size:43px;font-weight:500;letter-spacing:-.04em}.metric-card .metric-value small{font-size:15px;margin-left:8px;letter-spacing:0}.bar-item{display:flex;align-items:center;gap:12px;margin-top:17px;font-size:12px}.bar-item>span{width:37px;color:var(--muted)}.bar-track{height:20px;flex:1;background:#f1f0e9;border-radius:3px;overflow:hidden}.bar-track i{height:100%;display:block;border-radius:3px;background:#acbaa5}.bar-item.current i{background:var(--orange)}.bar-item>b{font-weight:500;min-width:77px;font-size:12px;text-align:right}.metric-change{font-size:13px;color:var(--orange);margin-top:17px}.evidence-row{display:grid;grid-template-columns:78px 1fr 1fr;gap:25px;padding:22px 0;border-bottom:1px solid var(--line);align-items:start}.evidence-row:last-child{border:0}.evidence-row .year{font:italic 25px Georgia,serif;color:var(--orange)}.evidence-row h3{font-size:18px;margin-bottom:7px}.evidence-row p{font-size:13px;color:var(--muted);line-height:1.85}.persona{border:1px solid var(--line);border-radius:9px;padding:26px;background:#fffefa}.persona .quote{font-size:23px}.profile-demo{background:var(--card);border:1px solid var(--line);border-radius:15px;padding:30px;box-shadow:0 14px 35px #24493f08}.profile-head{display:flex;align-items:center;gap:16px;margin-bottom:23px}.avatar{width:63px;height:63px;border-radius:50%;background:var(--green2);font-size:26px;display:grid;place-items:center}.profile-head b{font-size:21px;font-weight:500}.profile-demo p{font-size:14px;line-height:2.1;color:var(--muted)}.profile-pins{display:flex;gap:8px;margin-top:25px}.profile-pins span{flex:1;background:var(--green2);padding:12px 7px;border-radius:4px;font-size:10px;text-align:center}.content-example{margin-top:18px;padding-top:15px;border-top:1px dashed var(--line);font-size:14px;line-height:1.85}.topic-tabs{display:flex;gap:8px}.topic-tabs button{padding:9px 17px;background:transparent;border:1px solid var(--line);border-radius:99px;font-size:12px;color:var(--muted)}.topic-tabs button[aria-selected="true"]{background:var(--green);border-color:var(--green);color:white}.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.topic{display:flex;gap:13px;align-items:start;padding:17px 15px;border:1px solid var(--line);background:var(--card);border-radius:6px;font-size:13px;line-height:1.8}.topic>span{color:var(--orange);font:italic 17px Georgia,serif;min-width:18px;margin-top:2px}.topic small{display:block;color:var(--muted);font-size:10px;margin-top:6px}.timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.time-block{position:relative;border-top:2px solid var(--line);padding-top:20px}.time-block:before{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:var(--orange);top:-5px;left:0}.time-block h3{margin:9px 0;font-size:19px}.time-block p{font-size:13px;line-height:1.9;color:var(--muted)}.time-block .period{font-size:12px;color:var(--orange)}.phone{border:6px solid var(--ink);background:#e5e9df;border-radius:32px;padding:22px 20px;aspect-ratio:9/15.7;max-width:230px;margin:auto;position:relative;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden}.phone:before{content:"";position:absolute;width:50px;height:8px;top:0;left:calc(50% - 25px);background:var(--ink);border-radius:0 0 6px 6px}.phone .phone-title{font-size:23px;line-height:1.5;font-weight:600}.phone .phone-title em{color:var(--orange);font-style:normal}.phone .caption{font-size:11px;line-height:1.8;color:#eff5e9;background:var(--green);padding:10px 12px;border-radius:3px}.phone svg{width:100%;height:auto}.shot{display:grid;grid-template-columns:72px 1fr 1.2fr;gap:18px;padding:15px 0;border-bottom:1px solid var(--line);font-size:13px;line-height:1.9;align-items:start}.shot:last-child{border:0}.shot .second{color:var(--orange);font-size:12px;padding-top:2px}.shot>p{font-size:13px;line-height:1.9;color:var(--muted)}.shot b{font-weight:500}.setup-art{min-height:265px;position:relative;display:flex;align-items:center;justify-content:center;background:var(--green2);border-radius:9px;padding:28px}.setup-art svg{width:100%;max-width:430px;max-height:285px}.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.check-item{display:flex;align-items:start;gap:13px;padding:18px;border:1px solid var(--line);border-radius:7px;background:var(--card)}.check-item .check-icon{display:grid;place-items:center;width:23px;height:23px;border-radius:50%;background:var(--green2);color:var(--green);font-size:12px;flex-shrink:0;margin-top:2px}.check-item b{font-size:15px;font-weight:500}.check-item p{font-size:12px;color:var(--muted);line-height:1.8;margin-top:5px}.prompt{background:#e9ece2;border:1px solid #d6ddce;border-radius:10px;padding:25px}.prompt-head{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:15px}.prompt-head b{font-size:12px;letter-spacing:.08em;font-weight:500;color:#6b7b67}.copy-button{background:var(--paper);border:1px solid #cfdbca;color:var(--green);padding:7px 11px;border-radius:5px;font-size:11px;white-space:nowrap}.prompt pre{font:13px/1.95 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;white-space:pre-wrap;overflow-wrap:anywhere;color:#345242;margin:0}.prompt pre[contenteditable]{outline:none}.flow-stack{display:grid;gap:11px}.flow-item{display:flex;align-items:start;gap:18px;padding:17px 19px;border:1px solid var(--line);border-radius:7px;background:var(--card)}.flow-item b{font-size:15px;font-weight:500}.flow-item p{font-size:12px;color:var(--muted);line-height:1.9}.flow-item .mini-num{font-size:24px}.budget-line{display:grid;grid-template-columns:130px 1fr 60px;gap:20px;align-items:center;font-size:13px;margin:17px 0}.budget-line .bar-track{height:13px}.budget-line b{text-align:right;font-weight:500}.budget-total{font-size:64px;line-height:1.2;letter-spacing:-.05em;margin:20px 0}.budget-total small{font-size:16px;letter-spacing:0;margin-left:9px}.checklist{display:grid;gap:12px}.checklist label{display:flex;gap:14px;align-items:start;padding:15px 18px;border:1px solid var(--line);border-radius:7px;font-size:14px;line-height:1.8;background:var(--card);cursor:pointer}.checklist input{accent-color:var(--green);width:18px;height:18px;flex-shrink:0;margin-top:4px}.checklist label:has(input:checked){color:#82917f;background:#edf0e7}.checklist label:has(input:checked)>span{text-decoration:line-through}.source-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 30px}.source-entry{padding:15px 0;border-bottom:1px solid var(--line)}.source-entry a{font-size:13px;font-weight:500;line-height:1.7}.source-entry p{font-size:11px;color:var(--muted);line-height:1.8;margin-top:6px}.source-entry .source-id{font:italic 12px Georgia,serif;color:var(--orange);margin-right:8px}.reading .slide{display:flex;border-bottom:1px solid var(--line);padding-bottom:52px;scroll-margin-top:var(--top)}.reading .slide.active{outline:none}.reading .slide-content{justify-content:center}.reading .cover{min-height:calc(100svh - var(--top) - var(--bottom))}dialog{width:min(780px,calc(100% - 28px));max-height:85svh;border:1px solid var(--line);border-radius:13px;background:var(--paper);color:var(--ink);padding:32px;box-shadow:0 20px 90px #142f3540}dialog::backdrop{background:#152d285c;backdrop-filter:blur(4px)}.dialog-head{display:flex;align-items:start;justify-content:space-between;gap:15px;border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:12px}.dialog-head .eyebrow{margin-bottom:8px}.dialog-head h2{font-size:23px}#tocList{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 28px}.toc-group h3{font-size:13px;margin:10px 0;color:var(--orange)}.toc-group a{font-size:11px;line-height:1.8;display:block;text-decoration:none;padding:5px 0;color:var(--muted)}.toc-group a:hover{color:var(--orange)}.toc-group a.active{color:var(--ink);font-weight:600}.toast{position:fixed;bottom:96px;left:calc(50% + 90px);transform:translate(-50%,15px);opacity:0;background:var(--green);color:#fffbed;font-size:12px;padding:12px 20px;border-radius:6px;z-index:80;pointer-events:none;transition:.2s;white-space:nowrap}.toast.show{opacity:1;transform:translate(-50%,0)}.noscript{margin:120px 40px 60px 260px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@keyframes arrive{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1650px){.slide{padding:60px 68px 35px}h1{font-size:53px}.intro{font-size:19px}.card p{font-size:16px}.card h3{font-size:23px}.takeaway{font-size:17px}.slide-content{gap:30px}.tiny-table{font-size:15px}.shot{font-size:15px}.shot>p{font-size:15px}.prompt pre{font-size:15px}.small-note{font-size:13px}}
@media(max-width:1200px){:root{--rail:176px}.rail{padding:25px 16px}.brand{font-size:21px}.brand-mark{width:35px;height:41px;font-size:23px}.brand small{font-size:9px}.chapter-link{font-size:12px;padding:10px 7px}.rail-caption{font-size:9px}.slide{padding:36px 35px 25px}.topbar,.controls{padding-left:32px;padding-right:32px}.card{padding:20px}.grid{gap:14px}.cols-4{grid-template-columns:repeat(2,minmax(0,1fr))}.cover-layout{gap:25px}.cover h1{font-size:45px}.hero-art{max-width:310px}.intro{font-size:16px}.resource{gap:13px}.slide-content{gap:20px}.evidence-row{gap:17px;grid-template-columns:65px 1fr 1fr}}
@media(max-width:900px){:root{--rail:0px;--top:60px;--bottom:69px}.rail{display:none}.topbar{padding:0 25px}.mobile-brand{display:inline;color:var(--ink);font-weight:600;margin-right:17px;letter-spacing:0}.top-label{font-size:11px;letter-spacing:0}.tools{gap:16px}.quiet{font-size:11px}.slide{padding:34px 30px 28px;max-width:820px}h1{font-size:36px}.intro{font-size:15px;margin-bottom:22px}.controls{padding:7px 25px 0}.cover h1{font-size:47px}.hero-art{max-width:290px}.cover-tags{margin-top:25px}.key-hint{font-size:10px}.toast{left:50%;bottom:86px}.source-grid{column-gap:23px}.card h3{font-size:19px}}
@media(max-width:620px){:root{--top:56px;--bottom:calc(64px + env(safe-area-inset-bottom))}body{font-size:15px}.topbar{padding:0 18px}.top-label>#chapterLabel{display:none}.mobile-brand{font-size:14px;letter-spacing:1px}.tools{gap:16px}.quiet{font-size:11px}.slide{padding:29px 21px 25px;min-height:calc(100svh - var(--top) - var(--bottom));animation-duration:.18s}.eyebrow{font-size:9px;letter-spacing:.13em;margin-bottom:15px}h1{font-size:30px;line-height:1.38;letter-spacing:-.03em}h2{font-size:23px}h3{font-size:20px}.slide-title{margin-bottom:13px}.intro{font-size:14px;line-height:1.9;margin-bottom:22px}.slide-content{gap:20px;justify-content:flex-start}.split,.split.wide-left{grid-template-columns:1fr;gap:17px}.cols-2,.cols-3,.cols-4{grid-template-columns:1fr;gap:12px}.card{padding:21px}.card h3{font-size:19px;margin:7px 0}.card p{font-size:14px;line-height:1.85}.card .label{font-size:10px}.takeaway{font-size:13px;line-height:1.85;padding:14px 15px;gap:9px;margin-top:3px}.takeaway>span{font-size:18px}.sources{font-size:9px;line-height:1.9;margin-top:22px;padding-top:11px}.small-note{font-size:11px;line-height:1.9}.pill{font-size:10px;padding:6px 9px}.big{font-size:47px}.quote{font-size:24px;line-height:1.8}.quote small{font-size:11px}.plain-list li{font-size:14px}.line-list li{font-size:14px}.step-line{flex-direction:column;gap:9px}.step{padding:15px 18px;border-top:0;border-left:2px solid #92a58e;border-radius:0 6px 6px 0;display:grid;grid-template-columns:30px 1fr;gap:0 12px}.step .step-number{grid-row:1/3;align-self:start;font-size:22px;padding-top:3px}.step b{font-size:17px;margin:0 0 5px}.step p{font-size:12px}.arrow-sep{display:none}.compare-row{grid-template-columns:1fr 18px 1.25fr;gap:8px;font-size:12px;padding:15px 0}.tiny-table{font-size:12px;line-height:1.85}.tiny-table th,.tiny-table td{padding:12px 10px}.tiny-table th{font-size:10px}.resource{grid-template-columns:34px 1fr;gap:0 13px;padding:19px 0}.resource .resource-icon{height:34px;width:34px;font-size:15px;grid-row:1/3}.resource h3{font-size:17px}.resource p{font-size:12px;margin-top:8px;line-height:1.9}.resource .text-link{grid-column:2;font-size:11px;margin-top:11px;justify-self:start}.controls{padding:5px 20px env(safe-area-inset-bottom)}.key-hint{font-size:9px}.key-hint>span{margin:0 3px}.pager{gap:10px}.nav-button{width:34px;height:34px;font-size:17px}#pageCount{font-size:10px;width:49px}.cover{padding-top:35px}.cover-layout{grid-template-columns:1fr;gap:5px;align-items:start;margin:0}.cover h1{font-size:42px;line-height:1.38}.cover .eyebrow{font-size:9px;letter-spacing:.15em;margin-bottom:24px}.cover .intro{font-size:14px;line-height:1.9;margin:20px 0 22px;max-width:290px}.hero-art{width:85%;max-width:270px;justify-self:end;margin:-2px 0 -5px}.cover-tags{margin-top:20px}.cover-bottom{font-size:9px;gap:15px;line-height:1.8;margin-top:20px;padding-top:14px}.cover .slide-content{gap:16px}.chapter-grid{grid-template-columns:1fr}.chapter-card{gap:18px;padding:17px 0}.chapter-card b{font-size:17px}.chapter-card small{font-size:11px;margin-top:5px}.chapter-card .accent-serif{font-size:28px;min-width:35px}.metric-card{padding:22px}.metric-card .metric-value{font-size:43px}.metric-card .metric-label{font-size:12px;margin-bottom:13px}.metric-change{font-size:12px}.evidence-row{grid-template-columns:58px 1fr;gap:10px 15px;padding:20px 0}.evidence-row .year{font-size:23px;grid-row:1/3}.evidence-row>div:last-child{grid-column:2}.evidence-row h3{font-size:17px}.evidence-row p{font-size:12px}.persona{padding:22px}.persona .quote{font-size:21px}.profile-demo{padding:25px}.profile-head b{font-size:20px}.profile-demo p{font-size:13px}.profile-pins span{font-size:9px}.content-example{font-size:13px;margin-top:14px;padding-top:12px}.topic-grid{grid-template-columns:1fr 1fr;gap:8px}.topic{padding:14px 11px;gap:8px;font-size:12px;line-height:1.9}.topic>span{font-size:15px;min-width:17px}.topic small{font-size:9px}.topic-tabs button{font-size:11px;padding:8px 13px}.timeline{grid-template-columns:1fr 1fr;gap:25px 21px}.time-block h3{font-size:17px}.time-block p{font-size:12px}.phone{max-width:205px;aspect-ratio:9/13;padding:20px}.phone .phone-title{font-size:21px}.phone svg{max-height:155px}.phone .caption{font-size:10px}.shot{grid-template-columns:53px 1fr;gap:4px 12px;padding:16px 0;font-size:13px}.shot .second{grid-row:1/3;font-size:11px}.shot>p{grid-column:2;font-size:12px}.shot b{font-size:13px}.setup-art{min-height:220px;padding:20px}.check-grid{grid-template-columns:1fr;gap:10px}.check-item{padding:16px}.check-item b{font-size:14px}.check-item p{font-size:12px}.prompt{padding:19px}.prompt pre{font-size:12px;line-height:2}.prompt-head b{font-size:10px}.prompt-head{margin-bottom:13px}.copy-button{font-size:10px;padding:6px 9px}.flow-item{padding:17px;gap:15px}.flow-item b{font-size:14px}.flow-item p{font-size:12px}.budget-line{grid-template-columns:100px 1fr 44px;gap:14px;font-size:12px;margin:18px 0}.budget-total{font-size:58px;margin:13px 0}.source-grid{grid-template-columns:1fr}.source-entry{padding:15px 0}.source-entry a{font-size:12px}.source-entry p{font-size:10px}.reading .slide{padding-bottom:36px;min-height:auto}.reading .cover{min-height:auto}.reading .hero-art{max-width:230px}dialog{padding:23px 20px;max-height:88svh;border-radius:10px}.dialog-head h2{font-size:19px}#tocList{grid-template-columns:1fr;gap:10px}.toc-group a{font-size:12px;padding:7px 0}.toc-group h3{font-size:13px}.toast{bottom:calc(79px + env(safe-area-inset-bottom));font-size:11px;max-width:90%;white-space:normal;text-align:center}.button-row .action-button{font-size:12px}.noscript{margin:90px 25px}}
main:focus{outline:none}h1{text-wrap:balance}.reading .slide{animation:none}
@media(min-width:901px){h1{font-size:clamp(31px,2.8vw,44px)}.slide:not(.cover){padding-top:34px;padding-bottom:24px}.slide:not(.cover) .eyebrow{margin-bottom:15px}.slide:not(.cover) .intro{font-size:16px;margin-bottom:22px}.slide:not(.cover) .slide-content{gap:18px}.sources{margin-top:18px}}
@media(max-width:620px){.cover h1{font-size:37px}.cover .hero-art{max-width:175px;width:60%;margin:0}.cover .intro{font-size:13px;line-height:1.85;margin:18px 0}.cover-tags{margin-top:18px}.cover-bottom{margin-top:14px;font-size:9px}.cover .slide-content{gap:9px}.cover{padding-top:27px}}
@media(min-width:901px){#p9 .card,#p13 .card{padding:20px}#p13 .text-link{margin-top:10px}#p13 .sources{margin-top:12px}#p17 .resource{padding:12px 0}#p17 .slide-content{gap:14px}#p17 .intro{margin-bottom:18px}#p42 .source-entry{padding:10px 0}#p42 .source-entry p{margin-top:4px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
@media print{.rail,.topbar,.controls,.toast,dialog,.copy-button,.topic-tabs,.skip{display:none!important}main{margin:0;padding:0}.slide,.slide.active{display:flex!important;animation:none;break-after:page;page-break-after:always;min-height:0;padding:24px 20px;max-width:none;border:0!important}.slide-content{justify-content:flex-start}.slide h1{font-size:30px}.intro{font-size:13px}.card p{font-size:12px}.sources{font-size:8px}.cover-layout{grid-template-columns:1.2fr 1fr}.cover h1{font-size:40px}.cover-bottom{margin-top:30px}.topic-panel[hidden]{display:none}.card,.check-item,.source-entry,.shot,.evidence-row{break-inside:avoid}a{text-decoration:none}.table-wrap{overflow:visible}body{-webkit-print-color-adjust:exact;print-color-adjust:exact}@page{size:A4 landscape;margin:10mm}}