:root{color-scheme:light;--bg:#fff;--surface:#fafafa;--text:#111;--muted:#666;--soft:#8a8a8a;--line:#e8e8e8;--accent:#4d6b61;--accent-bg:#edf3f1;--positive:#2f7a5b;--positive-bg:#edf7f2;--negative:#a44f4f;--negative-bg:#fbefef;--shell:920px}[data-theme=dark]{color-scheme:dark;--bg:#101010;--surface:#171717;--text:#f2f2f2;--muted:#a0a0a0;--soft:#777;--line:#2a2a2a;--accent:#9abdb2;--accent-bg:#17231f;--positive:#86c8aa;--positive-bg:#13251d;--negative:#e2a0a0;--negative-bg:#2a1818}*{box-sizing:border-box}html{background:var(--bg);color:var(--text);text-rendering:optimizelegibility;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans SC,PingFang SC,Microsoft YaHei,Arial,sans-serif}body{background:var(--bg);min-height:100vh;margin:0}a{color:inherit;text-underline-offset:.22em;text-decoration-thickness:.08em}a:hover{color:var(--accent)}.shell{width:min(var(--shell), calc(100% - 40px));margin:0 auto}html:not([data-second-brain-unlocked=true]) body[data-second-brain-protected=true] .site-header,html:not([data-second-brain-unlocked=true]) body[data-second-brain-protected=true] .site-footer,html:not([data-second-brain-unlocked=true]) body[data-second-brain-protected=true] .like-widget,html:not([data-second-brain-unlocked=true]) body[data-second-brain-protected=true] [data-protected-content]{display:none}.access-gate{z-index:40;background:radial-gradient(circle at 50% 32%, color-mix(in srgb, var(--accent-bg) 70%, transparent), transparent 48%), color-mix(in srgb, var(--bg) 94%, transparent);backdrop-filter:blur(18px);place-items:center;padding:22px;display:grid;position:fixed;inset:0}html[data-second-brain-unlocked=true] .access-gate,.access-gate[hidden]{display:none}.access-gate-card{border:1px solid var(--line);background:var(--surface);border-radius:18px;width:min(410px,100%);padding:32px;box-shadow:0 24px 70px #00000024}.access-gate-card h1{margin:9px 0 12px;font-size:clamp(34px,8vw,52px)}.access-gate-card>p{color:var(--muted);margin-bottom:26px;line-height:1.7}.access-gate form{gap:9px;display:grid}.access-gate label{color:var(--soft);font-size:13px}.access-gate input{border:1px solid var(--line);background:var(--bg);width:100%;height:46px;color:var(--text);font:inherit;letter-spacing:.25em;border-radius:9px;outline:none;padding:0 13px}.access-gate input:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 16%, transparent)}.access-submit{border-color:var(--accent);background:var(--accent);width:100%;height:44px;color:var(--bg);margin-top:7px}.access-submit:hover{color:var(--bg);filter:brightness(1.08)}.access-error{min-height:18px;color:var(--negative);margin-top:3px;font-size:12px}.site-header{z-index:10;border-bottom:1px solid var(--line);background:color-mix(in srgb, var(--bg) 88%, transparent);backdrop-filter:blur(12px);position:sticky;top:0}.nav-bar{grid-template-columns:auto 1fr auto;align-items:center;gap:24px;min-height:68px;display:grid}.brand{letter-spacing:-.02em;font-weight:700;text-decoration:none}.nav-links,.nav-actions,.footer-inner{align-items:center;gap:14px;display:flex}.nav-links{color:var(--muted);justify-content:center;font-size:14px}.nav-links a,.pill-button{text-decoration:none}.nav-actions{justify-content:flex-end}.pill-button{border:1px solid var(--line);background:var(--bg);min-width:34px;height:34px;color:var(--text);font:inherit;cursor:pointer;border-radius:999px;justify-content:center;align-items:center;padding:0 10px;font-size:13px;display:inline-flex}.pill-button:hover{border-color:var(--accent);color:var(--accent)}main{padding:72px 0 92px}.hero{max-width:760px;padding:18px 0 56px}.eyebrow,.meta,.tag,.project-status{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace}.eyebrow{color:var(--accent);margin-bottom:16px;font-size:12px}h1,h2,h3{letter-spacing:-.025em;margin:0;line-height:1.12}h1{max-width:820px;font-size:clamp(38px,7vw,68px)}.hero h1{font-size:clamp(32px,5vw,54px)}h2{font-size:22px}h3{font-size:18px}p{margin:0}.lead{max-width:720px;color:var(--muted);margin-top:22px;font-size:19px;line-height:1.78}.section{border-top:1px solid var(--line);padding:34px 0}.section-head{justify-content:space-between;align-items:baseline;gap:20px;margin-bottom:18px;display:flex}.section-link{color:var(--muted);font-size:14px}.stack{gap:14px;display:grid}.post-row,.project-card{border:1px solid var(--line);background:var(--surface);border-radius:10px;gap:8px;padding:18px;display:grid}.post-row a{font-size:18px;font-weight:650;text-decoration:none}.post-row p,.project-card p,.resume-list,.muted{color:var(--muted);line-height:1.7}.meta{color:var(--soft);font-size:12px}.project-grid{grid-template-columns:repeat(3,1fr);gap:14px;display:grid}.project-card{align-content:start}.project-card-link{color:inherit;text-decoration:none;transition:border-color .16s,transform .16s}.project-card-link:hover{border-color:var(--accent);color:inherit;transform:translateY(-2px)}.project-top{justify-content:space-between;align-items:start;gap:12px;display:flex}.project-status{color:var(--accent);white-space:nowrap;font-size:11px}.tags{flex-wrap:wrap;gap:8px;margin-top:4px;display:flex}.tag{border:1px solid var(--line);color:var(--muted);border-radius:999px;padding:4px 8px;font-size:11px}.link-list{color:var(--muted);flex-wrap:wrap;gap:14px;display:flex}.ai-news-preview{gap:2px;display:grid}code{border:1px solid var(--line);background:var(--surface);color:var(--accent);border-radius:5px;padding:2px 5px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:.86em}.second-brain-head{max-width:900px}.second-brain-head h1{font-size:clamp(38px,7vw,70px)}.brain-view-switch{border-bottom:1px solid var(--line);flex-wrap:wrap;gap:8px;margin:0 0 26px;padding-bottom:12px;display:flex}.brain-view-switch a{border:1px solid var(--line);color:var(--muted);border-radius:999px;padding:8px 13px;font-size:13px;text-decoration:none;transition:border-color .2s,color .2s,background .2s}.brain-view-switch a:hover,.brain-view-switch a.is-active{border-color:var(--accent);background:var(--accent-bg);color:var(--accent)}.second-brain-intro{grid-template-columns:minmax(220px,.8fr) minmax(0,1.2fr);align-items:end;gap:48px;display:grid}.second-brain-intro h2{margin-top:10px;font-size:clamp(24px,4vw,38px)}.brain-explorer{padding:34px 0 0}.brain-toolbar{grid-template-columns:minmax(0,1fr) 210px auto;align-items:end;gap:12px;margin-bottom:14px;display:grid}.brain-search,.brain-filter{color:var(--soft);gap:7px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:11px;display:grid}.brain-search input,.brain-filter select{border:1px solid var(--line);background:var(--surface);width:100%;height:40px;color:var(--text);font:inherit;border-radius:8px;outline:none;padding:0 12px;font-family:inherit}.brain-search input:focus,.brain-filter select:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 14%, transparent)}.brain-reset{height:40px}.brain-stat-row{color:var(--soft);flex-wrap:wrap;gap:8px 18px;margin:0 0 14px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:11px;display:flex}.brain-stat-row strong{color:var(--text);font-size:14px}.brain-model-note{color:var(--accent);margin-left:auto}.brain-stage{border:1px solid var(--line);background:radial-gradient(circle at 50% 48%, color-mix(in srgb, var(--accent-bg) 58%, transparent), transparent 46%), linear-gradient(transparent 24px, color-mix(in srgb, var(--line) 42%, transparent) 25px, transparent 26px), linear-gradient(90deg, transparent 24px, color-mix(in srgb, var(--line) 42%, transparent) 25px, transparent 26px), var(--surface);background-size:auto,25px 25px,25px 25px,auto;border-radius:16px;min-height:560px;position:relative;overflow:hidden}.second-brain-home .brain-stage{--brain-text:#e8f2ff;--brain-muted:#9ab0c7;--brain-line:#89a9c647;--brain-accent:#8cf4c6;--brain-surface:#07111f;background:radial-gradient(circle at 50% 46%,#4984b240,#0000 32%),radial-gradient(circle at 18% 28%,#865eca29,#0000 24%),radial-gradient(circle at 82% 72%,#20bc9a1f,#0000 25%),#07111f;border-color:#203750}.second-brain-home .brain-stage:before{z-index:0;content:"";pointer-events:none;background:radial-gradient(circle at 11% 19%,#ffffffb8 0 1px,#0000 1.5px) 0 0/190px 160px,radial-gradient(circle at 77% 16%,#ffffff8a 0 1px,#0000 1.5px) 0 0/260px 210px,radial-gradient(circle at 91% 61%,#ffffff9e 0 1px,#0000 1.5px) 0 0/230px 190px,radial-gradient(circle at 29% 83%,#ffffff75 0 1px,#0000 1.5px) 0 0/310px 250px;position:absolute;inset:0}.second-brain-home .brain-stage-tip{color:#a4b8cc;background:#07111fc7;border-color:#29435b}.brain-stage canvas{touch-action:none;width:100%;height:680px;display:block}.brain-stage-tip{border:1px solid var(--line);background:color-mix(in srgb, var(--bg) 82%, transparent);color:var(--soft);pointer-events:none;backdrop-filter:blur(10px);border-radius:999px;padding:6px 10px;font-size:11px;position:absolute;bottom:14px;right:16px}.brain-inspector-grid{grid-template-columns:minmax(0,1.15fr) minmax(260px,.85fr);gap:14px;margin-top:14px;display:grid}.brain-inspector,.brain-legend-card{border:1px solid var(--line);background:var(--surface);border-radius:14px;min-height:200px;padding:22px}.brain-inspector h2{margin-bottom:10px;font-size:clamp(22px,4vw,32px)}.brain-inspector-meta{flex-wrap:wrap;gap:7px;margin-top:16px;display:flex}.brain-inspector-meta span,.brain-note-meta span{border:1px solid var(--line);color:var(--soft);border-radius:999px;padding:5px 8px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:10px}.brain-inspector-link{color:var(--accent);margin-top:16px;font-size:14px;font-weight:650}.brain-legend-list{color:var(--muted);grid-template-columns:1fr 1fr;gap:11px 18px;margin:22px 0 18px;font-size:13px;display:grid}.brain-legend-list div{align-items:center;gap:8px;display:flex}.legend-dot{background:var(--text);border-radius:50%;width:9px;height:9px;display:inline-block}.legend-cluster{background:var(--accent)}.legend-topic{background:#a06b3b}.legend-tag{background:#8c5da8}.second-brain-preview{background:linear-gradient(135deg, var(--accent-bg), transparent 62%)}.brain-preview-stats{color:var(--soft);flex-wrap:wrap;gap:10px 18px;margin-top:18px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:11px;display:flex}.brain-preview-stats strong{color:var(--accent);font-size:18px}.second-brain-note .page-head{max-width:900px}.brain-note-meta{flex-wrap:wrap;gap:8px;margin-top:22px;display:flex}.brain-related{border-top:1px solid var(--line);margin-top:64px;padding-top:28px}.brain-related h2{margin:10px 0 18px}.brain-related-link{color:inherit;text-decoration:none}.brain-related-link strong{font-size:16px}.brain-related-link span{color:var(--muted);font-size:13px}.timeline-head{max-width:900px}.timeline-intro{grid-template-columns:minmax(220px,.8fr) minmax(0,1.2fr);align-items:end;gap:48px;display:grid}.timeline-intro h2{margin-top:10px;font-size:clamp(24px,4vw,38px)}.timeline-explorer{padding:34px 0 0}.timeline-summary{grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:18px;display:grid}.timeline-summary-card{border:1px solid var(--line);background:linear-gradient(135deg, var(--accent-bg), var(--surface) 70%);min-height:124px;color:var(--muted);border-radius:14px;gap:6px;padding:18px;font-size:12px;display:grid}.timeline-summary-card strong{color:var(--text);letter-spacing:-.04em;font-size:clamp(24px,4vw,38px)}.timeline-controls{grid-template-columns:minmax(0,1fr) 190px 160px;align-items:end;gap:12px;display:grid}.timeline-controls label{color:var(--soft);gap:7px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:11px;display:grid}.timeline-controls input,.timeline-controls select{border:1px solid var(--line);background:var(--surface);width:100%;height:40px;color:var(--text);font:inherit;border-radius:8px;outline:none;padding:0 12px}.timeline-controls input:focus,.timeline-controls select:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 14%, transparent)}.timeline-result{color:var(--soft);margin:10px 0 22px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:11px}.timeline-dashboard{grid-template-columns:190px minmax(0,1fr);align-items:start;gap:28px;display:grid}.timeline-overview{border:1px solid var(--line);background:var(--surface);border-radius:14px;padding:18px;position:sticky;top:96px}.timeline-year-list{gap:12px;margin-top:18px;display:grid}.timeline-year-link{color:var(--muted);grid-template-columns:42px minmax(0,1fr) 22px;align-items:center;gap:8px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:11px;text-decoration:none;display:grid}.timeline-year-link:hover{color:var(--accent)}.timeline-year-link i{width:var(--timeline-share);background:var(--accent);min-width:12px;height:5px;box-shadow:0 0 12px color-mix(in srgb, var(--accent) 28%, transparent);border-radius:999px;display:block}.timeline-year-link small{text-align:right;color:var(--soft);font-size:10px}.timeline-overview-note{margin:22px 0 0;font-size:12px;line-height:1.7}.timeline-river{padding-left:34px;position:relative}.timeline-river:before{background:linear-gradient(var(--accent), color-mix(in srgb, var(--accent) 16%, transparent));content:"";width:1px;position:absolute;top:6px;bottom:18px;left:7px}.timeline-year{padding-bottom:46px;position:relative}.timeline-year-marker{color:var(--accent);align-items:center;gap:12px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:12px;font-weight:700;display:flex;position:absolute;top:-2px;left:-34px}.timeline-year-marker:before{border:4px solid var(--bg);background:var(--accent);width:15px;height:15px;box-shadow:0 0 0 1px var(--accent), 0 0 16px color-mix(in srgb, var(--accent) 34%, transparent);content:"";border-radius:50%}.timeline-month{padding:0 0 24px 20px}.timeline-month-label{color:var(--soft);letter-spacing:.08em;margin-bottom:10px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:11px}.timeline-notes{gap:9px;display:grid}.timeline-note{border:1px solid var(--line);background:var(--surface);color:inherit;border-radius:11px;grid-template-columns:10px minmax(0,1fr) auto;gap:6px 10px;padding:12px 14px;text-decoration:none;transition:transform .2s,border-color .2s,box-shadow .2s;display:grid}.timeline-note:hover{border-color:var(--accent);box-shadow:0 10px 24px color-mix(in srgb, var(--accent) 9%, transparent);transform:translate(3px)}.timeline-note-dot{background:var(--accent);border-radius:50%;width:8px;height:8px;margin-top:5px}.timeline-note-main{gap:4px;min-width:0;display:grid}.timeline-note-category{color:var(--accent);font-size:11px}.timeline-note strong{color:var(--text);text-overflow:ellipsis;white-space:nowrap;font-size:16px;font-weight:650;overflow:hidden}.timeline-note-meta{color:var(--soft);white-space:nowrap;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:10px}.timeline-note-excerpt{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;grid-column:2/-1;font-size:13px;line-height:1.6;overflow:hidden}.timeline-note[hidden],.timeline-month[hidden],.timeline-year[hidden]{display:none}.page-head{max-width:740px;margin-bottom:42px}.page-head h1{font-size:clamp(34px,6vw,56px)}.prose{max-width:720px;font-size:18px;line-height:1.82}.prose>*+*{margin-top:18px}.prose h2{margin-top:42px}.prose p,.prose li{color:var(--muted)}.prose blockquote{border-left:3px solid var(--accent);color:var(--muted);margin-left:0;padding-left:18px}.ai-note{border:1px solid var(--line);color:var(--muted);background:var(--surface);border-radius:999px;margin-top:16px;padding:6px 10px;font-size:13px;display:inline-block}.research-index-head{max-width:780px}.research-list{gap:18px;display:grid}.research-card{border:1px solid var(--line);background:var(--surface);border-radius:14px;gap:14px;padding:24px;display:grid}.research-card-featured{background:linear-gradient(135deg, var(--accent-bg), transparent 58%), var(--surface)}.research-card-top,.research-card-footer,.research-meta-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;display:flex}.research-card-title{letter-spacing:-.025em;width:fit-content;font-size:clamp(23px,4vw,34px);font-weight:720;line-height:1.2;text-decoration:none}.research-card p{max-width:760px;color:var(--muted);font-size:16px;line-height:1.75}.research-card-footer{align-items:end}.research-stance{border:1px solid var(--line);border-radius:999px;padding:5px 9px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:11px}.research-stance.constructive{border-color:color-mix(in srgb, var(--positive) 35%, var(--line));color:var(--positive);background:var(--positive-bg)}.research-stance.cautious{border-color:color-mix(in srgb, var(--negative) 35%, var(--line));color:var(--negative);background:var(--negative-bg)}.research-report-head{border-bottom:1px solid var(--line);padding:8px 0 48px}.research-report-head h1{max-width:880px;margin-top:18px;font-size:clamp(40px,7vw,70px)}.research-back{color:var(--muted);margin-bottom:44px;font-size:14px;text-decoration:none;display:inline-block}.research-meta-row{color:var(--soft);justify-content:flex-start;margin-top:24px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:11px}.research-meta-row span{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:6px 9px}.metric-grid{grid-template-columns:repeat(4,1fr);gap:12px;margin-top:28px;display:grid}.metric-card{border:1px solid var(--line);background:var(--surface);border-radius:12px;min-height:142px;padding:16px}.metric-card.positive{background:var(--positive-bg)}.metric-card.negative{background:var(--negative-bg)}.metric-label,.metric-note{color:var(--soft);font-size:11px;line-height:1.45}.metric-label{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace}.metric-card.positive .metric-label{color:var(--positive)}.metric-card.negative .metric-label{color:var(--negative)}.metric-value{letter-spacing:-.035em;margin:18px 0 9px;font-size:clamp(24px,4vw,34px);font-weight:760;line-height:1}.research-layout{grid-template-columns:190px minmax(0,1fr);align-items:start;gap:54px;padding-top:48px;display:grid}.research-toc{position:sticky;top:96px}.research-toc-title{color:var(--soft);letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:11px}.research-toc nav{gap:2px;display:grid}.research-toc a{border-left:1px solid var(--line);color:var(--muted);grid-template-columns:24px 1fr;gap:7px;padding:7px 0 7px 10px;font-size:12px;line-height:1.35;text-decoration:none;display:grid}.research-toc a:hover{border-color:var(--accent)}.research-toc a span{color:var(--soft);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace}.research-prose{min-width:0;max-width:none;font-size:17px}.research-prose>h2{border-top:1px solid var(--line);margin-top:64px;padding-top:26px;scroll-margin-top:96px;font-size:clamp(27px,4vw,38px)}.research-prose>h2:first-child{border-top:0;margin-top:0;padding-top:0}.research-prose h3{margin-top:38px;font-size:21px}.research-prose h4{margin:30px 0 0;font-size:17px}.research-prose strong{color:var(--text)}.research-prose ul,.research-prose ol{gap:8px;padding-left:22px;display:grid}.research-prose blockquote{border:1px solid color-mix(in srgb, var(--accent) 28%, var(--line));border-left:4px solid var(--accent);background:var(--accent-bg);border-radius:0 12px 12px 0;margin:28px 0;padding:18px 20px}.research-prose blockquote p{color:var(--text)}.research-prose table{border-collapse:collapse;width:100%;font-size:13px;line-height:1.55;display:block;overflow-x:auto}.research-prose th,.research-prose td{border-bottom:1px solid var(--line);text-align:left;vertical-align:top;min-width:110px;padding:12px 14px}.research-prose th{color:var(--text);background:var(--surface);font-size:12px}.research-prose td{color:var(--muted)}.research-prose table a{color:var(--accent);font-weight:650}.research-prose hr{border:0;border-top:1px solid var(--line);margin:48px 0}.research-prose details{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:14px 16px}.research-prose summary{cursor:pointer;color:var(--text);font-weight:650}.ai-news-head{max-width:820px}.ai-news-meta{color:var(--soft);flex-wrap:wrap;gap:10px;margin-top:20px;font-size:13px;display:flex}.ai-news-meta span{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:6px 10px}.ai-news-language{color:var(--accent);font-weight:650;text-decoration:none}.ai-news-note{color:var(--soft);margin-top:16px;font-size:13px;line-height:1.6}.ai-news-list{gap:16px;display:grid}.ai-news-item{border-top:1px solid var(--line);grid-template-columns:58px 1fr;gap:18px;padding:24px 0;display:grid}.ai-news-rank{color:var(--accent);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:18px;font-weight:700}.ai-news-body{gap:12px;display:grid}.ai-news-kicker{color:var(--soft);flex-wrap:wrap;gap:8px 12px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:12px;display:flex}.ai-news-body h2{letter-spacing:-.02em;font-size:clamp(22px,4vw,34px)}.ai-news-body p,.ai-news-why{color:var(--muted);font-size:17px;line-height:1.75}.ai-news-why strong{color:var(--text)}.ai-news-english{border-left:2px solid var(--line);padding:4px 0 4px 16px}.ai-news-english h3{margin:4px 0 8px;font-size:18px;line-height:1.45}.ai-news-english p{margin:0;font-size:15px;line-height:1.65}.ai-news-translation-label{color:var(--accent);letter-spacing:.04em;text-transform:uppercase;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:11px;font-weight:700}.ai-news-chinese{border-left-color:var(--accent)}.ai-news-links{flex-wrap:wrap;gap:12px;margin-top:2px;display:flex}.ai-news-links a{color:var(--accent);font-size:14px;font-weight:650}.resume-list{gap:8px;padding-left:18px;display:grid}.resume-simple{max-width:820px}.resume-simple section+section{margin-top:56px}.resume-simple h2{border-bottom:1px solid var(--line);margin:0 0 22px;padding-bottom:12px}.resume-entry{grid-template-columns:180px 1fr;gap:28px;padding:15px 0;display:grid}.resume-entry time{color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:13px}.resume-entry div{justify-content:space-between;gap:24px;display:flex}.resume-entry span{color:var(--muted);text-align:right}@media (width<=640px){.resume-entry{grid-template-columns:1fr;gap:7px}.resume-entry div{flex-direction:column;align-items:flex-start;gap:5px}.resume-entry span{text-align:left}}.site-footer{border-top:1px solid var(--line);color:var(--soft);padding:28px 0 42px;font-size:13px}.writing-hero{border:1px solid var(--line);background:var(--surface);border-radius:14px;width:100%;height:auto;margin:0 0 38px;display:block}.like-widget{right:max(32px, env(safe-area-inset-right));bottom:max(30px, env(safe-area-inset-bottom));z-index:9;justify-items:end;gap:8px;display:grid;position:fixed}.like-button{border:1px solid color-mix(in srgb, var(--line) 82%, var(--text));background:color-mix(in srgb, var(--bg) 88%, transparent);backdrop-filter:blur(14px);min-width:70px;height:50px;color:var(--muted);font:inherit;cursor:pointer;border-radius:999px;align-items:center;gap:8px;padding:0 16px;transition:border-color .16s,color .16s,transform .16s,background .16s;display:inline-flex;box-shadow:0 8px 28px #0000001a}.like-button:hover{border-color:color-mix(in srgb, #df5f72 55%, var(--line));color:#c94f64;transform:translateY(-2px)}.like-button:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.like-button:disabled{cursor:wait;opacity:.72}.like-button.is-liked{border-color:color-mix(in srgb, #df5f72 40%, var(--line));background:color-mix(in srgb, #fff0f3 62%, var(--bg));color:#c94f64}[data-theme=dark] .like-button.is-liked{background:color-mix(in srgb, #53232d 50%, var(--bg));color:#f08b9d}.like-heart{transform-origin:50%;font-size:20px;line-height:1}.like-count{font-variant-numeric:tabular-nums;min-width:1ch;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:13px}.like-status{background:color-mix(in srgb, var(--bg) 86%, transparent);min-height:17px;color:var(--soft);backdrop-filter:blur(10px);border-radius:999px;padding:0 8px;font-size:11px}.like-status:empty{display:none}.like-widget.is-bursting .like-heart{animation:.52s cubic-bezier(.2,.8,.2,1) like-pop}.like-floater{color:#df5f72;pointer-events:none;font-size:20px;animation:.85s ease-out forwards like-float;position:absolute;bottom:38px;right:24px}@keyframes like-pop{0%{transform:scale(1)}38%{transform:scale(1.45)rotate(-8deg)}72%{transform:scale(.9)rotate(4deg)}to{transform:scale(1)}}@keyframes like-float{0%{opacity:0;transform:translateY(0)scale(.7)rotate(-8deg)}22%{opacity:1}to{opacity:0;transform:translateY(-58px)translate(-8px)scale(1.25)rotate(8deg)}}@media (prefers-reduced-motion:reduce){.like-widget.is-bursting .like-heart,.like-floater{animation:none}}.footer-inner{justify-content:space-between}@media (width<=780px){.nav-bar{grid-template-columns:1fr auto;gap:12px;padding:14px 0}.nav-links{order:3;grid-column:1/-1;justify-content:flex-start;padding-bottom:2px;overflow-x:auto}main{padding:48px 0 72px}.project-grid{grid-template-columns:1fr}.second-brain-intro,.timeline-intro,.brain-inspector-grid{grid-template-columns:1fr;gap:24px}.timeline-summary,.timeline-dashboard{grid-template-columns:1fr}.timeline-overview{position:static}.timeline-year-list{grid-template-columns:repeat(3,1fr)}.brain-toolbar{grid-template-columns:1fr 1fr}.brain-search{grid-column:1/-1}.brain-model-note{margin-left:0}.brain-stage canvas{height:540px}.metric-grid{grid-template-columns:repeat(2,1fr)}.research-layout{grid-template-columns:1fr;gap:28px;padding-top:32px}.research-toc{border-bottom:1px solid var(--line);padding-bottom:14px;position:static;overflow-x:auto}.research-toc nav{gap:6px;width:max-content;display:flex}.research-toc a{border:1px solid var(--line);white-space:nowrap;border-radius:999px;grid-template-columns:none;padding:7px 10px;display:inline-flex}.research-toc a span{display:none}.research-report-head h1{font-size:clamp(36px,12vw,54px)}.research-card{padding:20px}.ai-news-item{grid-template-columns:1fr;gap:10px}.footer-inner{flex-direction:column;align-items:flex-start}}@media (width<=480px){.like-widget{right:max(20px, env(safe-area-inset-right));bottom:max(20px, env(safe-area-inset-bottom))}.metric-grid,.brain-toolbar{grid-template-columns:1fr}.brain-search{grid-column:auto}.brain-stage canvas{height:460px}.timeline-controls{grid-template-columns:1fr}.timeline-year-list{grid-template-columns:1fr 1fr}.timeline-river{padding-left:28px}.timeline-year-marker{left:-28px}.timeline-note{grid-template-columns:10px minmax(0,1fr)}.timeline-note-meta{grid-column:2}.brain-legend-list{grid-template-columns:1fr}.metric-card{min-height:0}}.collection-hero{padding:18px 0 68px;position:relative}.collection-kicker,.collection-count,.collection-entry-meta,.collection-index,.collection-tags,.collection-note>span,.study-eyebrow,.study-aside>span,.study-source>span,.study-specs span{letter-spacing:.06em;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace}.collection-kicker{color:var(--accent);font-size:11px}.collection-count{color:var(--soft);font-size:11px;position:absolute;top:18px;right:0}.collection-hero h1{color:var(--text);letter-spacing:-.07em;margin-top:36px;font-family:Georgia,Times New Roman,Noto Serif SC,serif;font-size:clamp(60px,11vw,118px);font-weight:400;line-height:.82}.collection-hero h1 em,.study-head h1 em{color:var(--accent);font-weight:400}.collection-lead{max-width:680px;color:var(--muted);margin:44px 0 0 auto;font-family:Georgia,Times New Roman,Noto Serif SC,serif;font-size:clamp(19px,2.4vw,25px);line-height:1.6}.collection-list{border-top:1px solid var(--line)}.collection-entry{border-bottom:1px solid var(--line);color:inherit;grid-template-columns:76px minmax(0,1fr) 42px;align-items:start;gap:18px;padding:28px 0 30px;text-decoration:none;transition:color .22s,padding .22s;display:grid}.collection-entry:hover{color:inherit;padding-right:10px}.collection-entry:hover h2,.collection-entry:hover .collection-arrow{color:var(--accent)}.collection-index{color:var(--soft);padding-top:7px;font-size:11px}.collection-entry-main{min-width:0}.collection-entry-meta{color:var(--soft);gap:12px;margin-bottom:10px;font-size:10px;display:flex}.collection-entry-meta span:first-child{color:var(--accent)}.collection-entry h2{color:var(--text);letter-spacing:-.045em;font-family:Georgia,Times New Roman,Noto Serif SC,serif;font-size:clamp(30px,4vw,47px);font-weight:400;line-height:1.05;transition:color .22s}.collection-entry p{max-width:620px;color:var(--muted);margin-top:13px;font-size:15px;line-height:1.7}.collection-tags{flex-wrap:wrap;gap:7px;margin-top:16px;display:flex}.collection-tags span{border:1px solid var(--line);color:var(--soft);border-radius:999px;padding:4px 7px;font-size:10px}.collection-arrow{color:var(--soft);justify-self:end;padding-top:3px;font-family:Georgia,Times New Roman,serif;font-size:28px;transition:color .22s,transform .22s}.collection-entry:hover .collection-arrow{transform:translate(4px,-4px)}.collection-note{border-top:1px solid var(--line);grid-template-columns:150px minmax(0,1fr);gap:32px;max-width:700px;margin:60px 0 0 auto;padding-top:17px;display:grid}.collection-note>span{color:var(--accent);font-size:11px}.collection-note p{color:var(--muted);font-size:14px;line-height:1.75}.study-page{max-width:900px}.study-back{color:var(--muted);margin-bottom:54px;font-size:13px;display:inline-block}.study-head{max-width:730px}.study-eyebrow{color:var(--accent);font-size:11px}.study-head h1{color:var(--text);letter-spacing:-.065em;margin:19px 0 24px;font-family:Georgia,Times New Roman,Noto Serif SC,serif;font-size:clamp(48px,8vw,86px);font-weight:400;line-height:.91}.study-head>p{max-width:620px;color:var(--muted);font-family:Georgia,Times New Roman,Noto Serif SC,serif;font-size:19px;line-height:1.62}.study-head>p a,.study-source a{color:var(--accent)}.inspiration-demo{--demo-paper:#fff8eb;--demo-ink:#2f2115;--demo-heading:#6f4319;--demo-link:#8b5319;--demo-muted:#846f57;--demo-line:#dfcaaa;background:var(--demo-paper);color:var(--demo-ink);margin:66px 0 0;transition:background-color .28s,color .28s;position:relative;overflow:hidden}.inspiration-demo[data-inspiration-theme=dark]{--demo-paper:#15130f;--demo-ink:#eee3d1;--demo-heading:#e8d4b4;--demo-link:#e6be88;--demo-muted:#b8a58a;--demo-line:#514637}.inspiration-canvas-wrap{background:#111;width:100%;height:200px;position:relative;overflow:hidden}.inspiration-source,.inspiration-canvas-wrap canvas{width:100%;height:100%;position:absolute;inset:0}.inspiration-source{object-fit:cover;object-position:center 54%;display:block}.inspiration-canvas-wrap canvas{display:block}.inspiration-shell{max-width:860px;margin:0 auto;padding:12px 40px 48px}.inspiration-nav{justify-content:space-between;align-items:baseline;gap:24px;margin-bottom:48px;font-family:Georgia,Times New Roman,Noto Serif SC,serif;display:flex}.inspiration-nav>a{color:var(--demo-heading);font-weight:700;text-decoration:none}.inspiration-nav nav{flex-wrap:wrap;justify-content:flex-end;gap:10px;font-size:14px;display:flex}.inspiration-demo a{color:var(--demo-link);text-underline-offset:.16em}.inspiration-body{font-family:Georgia,Times New Roman,Noto Serif SC,serif;font-size:21px;line-height:1.6}.inspiration-body h2{color:var(--demo-heading);letter-spacing:-.055em;margin:0 0 22px;font-family:Georgia,Times New Roman,Noto Serif SC,serif;font-size:clamp(43px,6vw,58px);font-weight:400;line-height:.98}.inspiration-body p+p{margin-top:16px}.inspiration-body .inspiration-date{color:var(--demo-muted);margin-top:-16px;font-size:16px;font-style:italic}.inspiration-tags{color:var(--demo-muted);text-align:right;font-size:16px;margin-top:36px!important}.inspiration-footer{color:var(--demo-muted);text-align:right;justify-content:space-between;gap:18px;margin-top:55px;font-family:Georgia,Times New Roman,Noto Serif SC,serif;font-size:15px;display:flex}.inspiration-theme-picker button{appearance:none;color:inherit;font:inherit;cursor:pointer;background:0 0;border:0;padding:0;text-decoration:none}.inspiration-theme-picker button:hover,.inspiration-theme-picker button[aria-pressed=true]{color:var(--demo-ink);text-decoration:underline}.inspiration-theme-picker button:focus-visible{outline:2px solid var(--demo-link);outline-offset:3px}.study-intro{max-width:700px;margin:80px 0 0 auto}.study-rule{border-top:1px solid var(--accent);width:86px}.study-lead{color:var(--muted);margin-top:23px;font-family:Georgia,Times New Roman,Noto Serif SC,serif;font-size:clamp(20px,2.8vw,27px);line-height:1.58}.study-lead strong{color:var(--text);font-weight:400}.study-grid{border-top:1px solid var(--line);grid-template-columns:176px minmax(0,1fr);gap:48px;margin-top:88px;padding-top:22px;display:grid}.study-aside{align-content:start;gap:8px;display:grid}.study-aside>span{color:var(--accent);font-size:11px}.study-aside h2{letter-spacing:-.01em;font-size:15px;font-weight:650}.study-copy{max-width:650px}.study-copy h3{letter-spacing:-.04em;margin-bottom:18px;font-family:Georgia,Times New Roman,Noto Serif SC,serif;font-size:clamp(29px,4vw,42px);font-weight:400;line-height:1.08}.study-copy p{color:var(--muted);font-size:16px;line-height:1.82}.study-copy p+p{margin-top:16px}.study-copy code{background:var(--accent-bg);color:var(--text);border-radius:3px;padding:1px 4px;font-size:.88em}.study-copy pre{border-left:2px solid var(--accent);background:var(--surface);color:var(--muted);white-space:pre-wrap;margin:25px 0 0;padding:16px 18px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:12px;line-height:1.65;overflow-x:auto}.study-copy pre code{color:inherit;background:0 0;padding:0}.study-specs{grid-template-columns:repeat(3,1fr);gap:10px;margin-top:30px;display:grid}.study-specs div{border:1px solid var(--line);background:var(--surface);min-height:112px;padding:13px}.study-specs span{color:var(--accent);font-size:10px;display:block}.study-specs strong{color:var(--text);margin-top:22px;font-size:12px;font-weight:600;line-height:1.45;display:block}.study-callout{border-left:2px solid var(--accent);color:var(--muted);margin-top:28px;padding:4px 0 4px 17px;font-size:16px;line-height:1.75}.study-callout strong{color:var(--text)}.study-source{border-top:1px solid var(--line);grid-template-columns:150px minmax(0,1fr);gap:12px 32px;margin:88px 0 0 auto;padding-top:18px;display:grid}.study-source>span{color:var(--accent);grid-row:span 2;font-size:11px}.study-source p{color:var(--muted);font-size:14px;line-height:1.75}.study-source>a{width:fit-content;font-size:14px;font-weight:650}.editor-widget{z-index:30;position:fixed;bottom:22px;right:22px}.editor-open,.editor-export,.editor-reset,.editor-text-button{font:inherit}.editor-open{border:1px solid var(--line);color:var(--text);background:color-mix(in srgb, var(--surface) 92%, transparent);box-shadow:0 9px 28px color-mix(in srgb, var(--text) 13%, transparent);cursor:pointer;border-radius:999px;padding:10px 14px}.editor-open:hover,.editor-open:focus-visible{border-color:var(--accent);color:var(--accent)}.editor-gate{background:#11111194;place-items:center;padding:22px;display:grid;position:fixed;inset:0}.editor-gate-card{border:1px solid var(--line);background:var(--surface);border-radius:16px;width:min(100%,390px);padding:27px;box-shadow:0 22px 70px #0000003d}.editor-gate-card h2{margin:10px 0 8px;font-size:25px}.editor-gate-card p{color:var(--muted);margin:0;line-height:1.65}.editor-gate-card label{margin-top:22px;font-size:13px;font-weight:700;display:block}.editor-gate-card input{border:1px solid var(--line);width:100%;color:var(--text);background:var(--paper);font:inherit;border-radius:9px;margin-top:7px;padding:10px 11px}.editor-error{min-height:21px;font-size:13px;color:#bf3d3d!important;margin-top:8px!important}.editor-gate-actions{align-items:center;gap:14px;margin-top:13px;display:flex}.editor-text-button,.editor-reset{color:var(--muted);cursor:pointer;background:0 0;border:0;padding:0}.editor-active-controls{border:1px solid var(--line);background:var(--surface);width:min(100vw - 44px,310px);box-shadow:0 9px 28px color-mix(in srgb, var(--text) 13%, transparent);border-radius:14px;padding:14px}.editor-live-label{color:var(--accent);letter-spacing:.09em;text-transform:uppercase;font-size:11px;font-weight:700;display:block}.editor-active-controls strong{margin-top:2px;font-size:18px;display:block}.editor-export{color:#fff;background:var(--accent);cursor:pointer;border:0;border-radius:8px;width:100%;margin-top:13px;padding:10px}.editor-reset{text-underline-offset:3px;margin:12px auto 0;font-size:12px;text-decoration:underline;display:block}.editor-active-controls p{color:var(--muted);margin:12px 0 0;font-size:12px;line-height:1.5}html[data-editor-active=true] article h1[contenteditable=true],html[data-editor-active=true] article h2[contenteditable=true],html[data-editor-active=true] article h3[contenteditable=true],html[data-editor-active=true] article h4[contenteditable=true],html[data-editor-active=true] article p[contenteditable=true],html[data-editor-active=true] article li[contenteditable=true],html[data-editor-active=true] article blockquote[contenteditable=true]{outline:1px dashed color-mix(in srgb, var(--accent) 62%, transparent);outline-offset:4px;cursor:text;border-radius:3px}html[data-editor-active=true] article [contenteditable=true]:focus{outline:2px solid var(--accent);background:color-mix(in srgb, var(--accent) 7%, transparent)}@media (width<=640px){.collection-hero{padding-bottom:48px}.collection-count{margin-top:14px;position:static}.collection-hero h1{margin-top:28px;font-size:clamp(54px,17vw,86px)}.collection-lead{margin-top:35px}.collection-entry{grid-template-columns:40px minmax(0,1fr) 24px;gap:10px}.collection-entry-meta{flex-direction:column;align-items:flex-start;gap:3px}.collection-note,.study-source{grid-template-columns:1fr;gap:12px}.study-source>span{grid-row:auto}.study-back{margin-bottom:38px}.study-head h1{font-size:clamp(48px,14vw,70px)}.inspiration-demo{margin-top:47px}.inspiration-canvas-wrap{height:154px}.inspiration-shell{padding:13px 20px 25px}.inspiration-nav{flex-direction:column;align-items:flex-start;gap:8px;margin-bottom:42px}.inspiration-nav nav{justify-content:flex-start}.inspiration-body{font-size:18px}.inspiration-footer{text-align:left;flex-direction:column;align-items:flex-start;margin-top:38px}.study-intro{margin-top:60px}.study-grid{grid-template-columns:1fr;gap:21px;margin-top:62px}.study-specs{grid-template-columns:1fr}.study-specs div{min-height:0}.study-specs strong{margin-top:8px}.study-source{margin-top:62px}.editor-widget{bottom:14px;right:14px}.editor-gate-card{padding:22px}}@media (prefers-reduced-motion:reduce){.collection-entry,.collection-entry h2,.collection-arrow,.inspiration-demo{transition:none}}