.editorial-home{--ed-ochre:#ded7b5;--ed-ochre-ink:#4b503c;--ed-rose:#ecd8ca;--ed-rose-ink:#79503d;--ed-blue:#dbe1e6;--ed-blue-ink:#3e5369;overflow-wrap:break-word}.ed-intro{grid-template-columns:minmax(0,1.3fr) minmax(0,.8fr);align-items:end;gap:72px;padding:64px 0 59px;display:grid}.ed-eyebrow{letter-spacing:.13em;color:var(--muted);align-items:center;gap:9px;margin:0 0 20px;font-size:10px;font-weight:600;line-height:1.7;display:flex}.ed-dot{background:var(--accent);border-radius:50%;flex-shrink:0;width:6px;height:6px}.ed-intro h1{font-family:var(--sans);letter-spacing:-.055em;text-wrap:balance;margin:0;font-size:clamp(37px,4.25vw,61px);font-weight:550;line-height:1.3}.ed-intro h1 span{font-family:var(--display-font);font-weight:var(--display-weight);letter-spacing:var(--display-tracking);display:block}html[lang=zh-CN] .ed-intro h1{font-family:var(--heading-zh);letter-spacing:-.01em;font-weight:600}html[lang=en] .ed-intro h1{letter-spacing:-.035em;font-size:clamp(38px,4.25vw,61px);line-height:1.13}html[lang=en] .ed-intro h1 span{letter-spacing:var(--display-tracking);margin-top:5px;font-style:italic}.ed-intro-aside{min-width:0}.ed-intro-aside>p{color:var(--muted);max-width:440px;margin:0 0 23px;font-size:14px;line-height:1.9}.ed-search{border-bottom:1px solid var(--ink);align-items:center;gap:10px;padding:0 0 3px;display:flex}.ed-search>svg{color:var(--muted);flex-shrink:0}.ed-search input[type=search]{width:100%;min-width:0;box-shadow:none;outline-offset:0;background:0 0;border:0;border-radius:0;padding:9px 0;font-size:14px}.ed-search button{width:44px;height:44px;color:var(--ink);background:0 0;border:0;border-radius:0;flex-shrink:0;place-items:center;font-size:22px;display:grid}.ed-search button:hover{background:var(--accent-soft);color:var(--accent)}.ed-intro-links{flex-wrap:wrap;gap:0 22px;margin-top:7px;font-size:11px;display:flex}.ed-intro-links a{align-items:center;gap:8px;min-height:44px;display:inline-flex}.ed-intro-links a:hover{color:var(--accent)}.ed-section-label{border-top:1px solid var(--ink);justify-content:space-between;align-items:center;gap:16px;padding:17px 0 21px;display:flex}.ed-section-label h2{margin:0;font-size:13px;font-weight:650}.ed-section-label>span{color:var(--muted);font-size:11px}.ed-stories-grid{grid-template-columns:minmax(0,1.58fr) minmax(0,1fr);gap:44px;display:grid}.ed-lead,.ed-side-stories{min-width:0}.ed-lead-art{background:var(--ed-ochre);width:100%;min-width:0;color:var(--ed-ochre-ink);aspect-ratio:1.88;border-radius:3px;min-height:240px;display:block;position:relative;overflow:hidden}.ed-art-label{z-index:1;letter-spacing:.14em;justify-content:space-between;align-items:center;gap:10px;font:10px/1.3 ui-monospace,monospace;display:flex;position:absolute;inset:20px 24px auto}.ed-art-label>span:last-child{font:25px/1 var(--sans);transition:transform .2s}.ed-cell-art{width:100%;height:calc(100% - 45px);transition:transform .35s;position:absolute;inset:23px 0 22px}.ed-lead-art:hover .ed-cell-art{transform:scale(1.025)}.ed-lead-art:hover .ed-art-label>span:last-child{transform:translate(2px,-2px)}.ed-art-caption{letter-spacing:.03em;font-size:10px;position:absolute;inset:auto 24px 15px}.ed-story-meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:6px 15px;margin:20px 0 10px;font-size:10px;line-height:1.7;display:flex}.ed-story-meta>span:first-child{color:var(--accent)}.ed-lead h3{letter-spacing:-.035em;text-wrap:pretty;margin:0 0 15px;font-size:clamp(24px,2.6vw,35px);font-weight:550;line-height:1.5}.ed-lead h3 a:hover,.ed-side-story h3 a:hover,.ed-update h3 a:hover{color:var(--accent)}.ed-lead-summary{color:var(--muted);margin:0 0 10px;font-size:14px;line-height:1.9}.ed-text-link{justify-content:space-between;align-items:center;gap:19px;max-width:100%;min-height:44px;font-size:12px;font-weight:550;line-height:1.7;display:inline-flex}.ed-text-link:hover{color:var(--accent)}.ed-text-link>span{flex-shrink:0;transition:transform .18s}.ed-text-link:hover>span{transform:translate(2px,-2px)}.ed-side-stories{border-left:1px solid var(--line);grid-template-columns:minmax(0,1fr);gap:26px;padding-left:35px;display:grid}.ed-side-story{min-width:0}.ed-side-story+.ed-side-story{border-top:1px solid var(--line);padding-top:26px}.ed-story-mark{border-radius:3px;justify-content:space-between;align-items:center;min-height:86px;padding:8px 18px;display:flex;position:relative;overflow:hidden}.ed-mark-protein{background:var(--ed-rose);color:var(--ed-rose-ink)}.ed-mark-dynamics{background:var(--ed-blue);color:var(--ed-blue-ink)}.ed-story-mark>svg{width:58%;height:86px;margin:-8px 0}.ed-story-mark>span{letter-spacing:.1em;max-width:115px;font:10px/1.8 ui-monospace,monospace}.ed-side-story .ed-story-meta{margin:14px 0 8px}.ed-side-story h3{letter-spacing:-.025em;text-wrap:pretty;margin:0 0 10px;font-size:22px;font-weight:550;line-height:1.5}.ed-side-story>p{color:var(--muted);-webkit-line-clamp:3;-webkit-box-orient:vertical;margin:0 0 3px;font-size:12px;line-height:1.8;display:-webkit-box;overflow:hidden}.ed-topic-section{border-top:1px solid var(--line);margin-top:62px;padding-top:63px}.ed-section-heading{justify-content:space-between;align-items:end;gap:24px;margin-bottom:26px;display:flex}.ed-section-heading .ed-eyebrow{margin-bottom:12px}.ed-section-heading h2{letter-spacing:-.04em;text-wrap:balance;margin:0;font-size:clamp(25px,2.8vw,36px);font-weight:500;line-height:1.4}.ed-section-heading>.ed-text-link{flex-shrink:0}.ed-topic-features{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.ed-topic-feature{border-radius:3px;flex-direction:column;min-width:0;padding:22px 25px 0;transition:transform .2s;display:flex}.ed-topic-feature:hover{transform:translateY(-4px)}.ed-topic-protein-ai{background:var(--ed-rose);color:var(--ed-rose-ink)}.ed-topic-aidd{background:var(--ed-blue);color:var(--ed-blue-ink)}.ed-topic-virtual-cell{background:var(--ed-ochre);color:var(--ed-ochre-ink)}.ed-topic-topline{letter-spacing:.05em;justify-content:space-between;align-items:start;gap:12px;font:9px/1.6 ui-monospace,monospace;display:flex}.ed-topic-topline>span:last-child{font:23px/1 var(--sans)}.ed-topic-symbol{align-self:center;width:165px;height:86px;margin:20px 0 14px}.ed-topic-symbol svg{width:100%;height:100%}.ed-topic-feature h3{letter-spacing:-.035em;margin:10px 0 12px;font-size:28px;font-weight:550;line-height:1.3}.ed-topic-feature>p{min-height:47px;margin:0 0 24px;font-size:13px;line-height:1.8}.ed-topic-bottom{border-top:1px solid color-mix(in srgb,currentColor 23%,transparent);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:5px 10px;margin-top:auto;padding:17px 0;font-size:10px;display:flex}.ed-topic-bottom>span{font-size:11px}.ed-topic-index{border-bottom:1px solid var(--line);grid-template-columns:repeat(4,minmax(0,1fr));margin-top:17px;display:grid}.ed-topic-index>a{border-left:1px solid var(--line);justify-content:space-between;align-items:center;gap:15px;min-height:65px;padding:10px 22px;font-size:13px;display:flex}.ed-topic-index>a:first-child{border-left:0;padding-left:0}.ed-topic-index>a:last-child{padding-right:0}.ed-topic-index>a:hover{color:var(--accent)}.ed-latest-section{grid-template-columns:minmax(0,.8fr) minmax(0,1.7fr);gap:70px;margin:70px 0 65px;display:grid}.ed-latest-intro{min-width:0}.ed-latest-intro h2{letter-spacing:-.04em;margin-bottom:20px;font-size:32px;font-weight:500;line-height:1.4}.ed-latest-intro>p:not(.ed-eyebrow){color:var(--muted);max-width:320px;margin-bottom:10px;font-size:13px;line-height:1.9}.ed-reading-count{color:var(--muted);align-items:baseline;gap:13px;margin-top:35px;display:flex}.ed-reading-count strong{font:400 48px/1 var(--serif);color:var(--ink)}.ed-reading-count span{font-size:11px}.ed-update-list{border-top:1px solid var(--ink);min-width:0}.ed-update{border-bottom:1px solid var(--line);grid-template-columns:68px minmax(0,1fr) 44px;align-items:center;gap:15px;padding:21px 0;display:grid}.ed-update>time{color:var(--muted);align-self:start;padding-top:2px;font-size:11px;line-height:1.8}.ed-update-tags{color:var(--accent);flex-wrap:wrap;gap:7px 14px;font-size:10px;line-height:1.8;display:flex}.ed-update-tags a:hover{text-underline-offset:3px;text-decoration:underline}.ed-update h3{letter-spacing:-.02em;margin:7px 0 0;font-size:18px;font-weight:500;line-height:1.6}.ed-update-arrow{place-items:center;width:44px;height:44px;font-size:21px;display:grid}.ed-update-arrow:hover{background:var(--subtle);color:var(--accent)}.ed-toolkit{border-top:1px solid var(--line);padding-top:46px}.ed-toolkit-controls{justify-content:space-between;align-items:center;gap:18px;margin:28px 0 18px;display:flex}.ed-toolkit-filters{border:0;flex-wrap:wrap;gap:5px;min-width:0;margin:0;padding:0;display:flex}.ed-toolkit-filters button{color:var(--muted);background:0 0;border:1px solid #0000;border-radius:3px;min-height:44px;padding:8px 14px;font-size:12px}.ed-toolkit-filters button:hover{color:var(--ink);border-color:var(--line)}.ed-toolkit-filters button[aria-pressed=true]{background:var(--ink);color:var(--bg);border-color:var(--ink)}.ed-tool-count{color:var(--muted);white-space:nowrap;font-size:11px}.ed-tool-grid{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface);grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.ed-tool{border-right:1px solid var(--line);flex-direction:column;min-width:0;padding:23px;transition:background .18s;display:flex}.ed-tool:last-child{border-right:0}.ed-tool:hover{background:var(--subtle)}.ed-tool-type{color:var(--muted);justify-content:space-between;align-items:center;gap:10px;font-size:10px;display:flex}.ed-tool-type>span:last-child{font-size:20px}.ed-tool h3{letter-spacing:-.04em;margin:23px 0 13px;font-size:25px;font-weight:550;line-height:1.3}.ed-tool:hover h3{color:var(--accent)}.ed-tool>p{color:var(--muted);margin:0 0 25px;font-size:12px;line-height:1.9}.ed-tool-source{color:var(--muted);margin-top:auto;font-size:10px;line-height:1.8}.ed-closing{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:35px;margin-top:66px;padding:43px 0 0;display:flex}.ed-closing .ed-eyebrow{margin-bottom:12px}.ed-closing h2{font-family:var(--serif);letter-spacing:-.02em;margin-bottom:10px;font-size:30px;font-weight:400;line-height:1.5}.ed-closing p:not(.ed-eyebrow){color:var(--muted);margin:0;font-size:13px}.ed-closing-links{flex-shrink:0;align-items:center;gap:25px;display:flex}.ed-solid-link{background:var(--ink);color:var(--bg);border-radius:3px;justify-content:space-between;align-items:center;gap:30px;min-height:48px;padding:13px 19px;font-size:12px;line-height:1.5;display:inline-flex}.ed-solid-link:hover{background:var(--accent)}.editorial-home :is(h2,h3){font-family:var(--heading-font);letter-spacing:var(--heading-tracking);font-weight:500}:root[data-theme=dark] .editorial-home{--ed-ochre:#33392d;--ed-ochre-ink:#d8dcbb;--ed-rose:#47352e;--ed-rose-ink:#ebc2aa;--ed-blue:#293843;--ed-blue-ink:#bfcedb}@media (prefers-color-scheme:dark){:root:not([data-theme]) .editorial-home{--ed-ochre:#33392d;--ed-ochre-ink:#d8dcbb;--ed-rose:#47352e;--ed-rose-ink:#ebc2aa;--ed-blue:#293843;--ed-blue-ink:#bfcedb}}@media (width>=1500px){.ed-intro{padding-top:76px;padding-bottom:68px}.ed-lead-art{aspect-ratio:1.9}.ed-topic-section{margin-top:75px}}@media (width<=1100px){.ed-intro{grid-template-columns:minmax(0,1.2fr) minmax(0,.9fr);gap:40px}.ed-stories-grid{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:28px}.ed-side-stories{padding-left:26px}.ed-side-story h3{font-size:20px}.ed-side-story>p{-webkit-line-clamp:2}.ed-lead-art{aspect-ratio:1.7;min-height:255px}.ed-topic-feature{padding-inline:21px}.ed-topic-topline{font-size:8px}.ed-topic-feature h3{font-size:25px}.ed-latest-section{gap:45px}.ed-tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.ed-tool{border-bottom:1px solid var(--line);min-height:245px}.ed-tool:nth-child(2n){border-right:0}.ed-tool h3{font-size:26px}.ed-closing-links{gap:18px}}@media (width<=800px){.ed-intro{grid-template-columns:1fr;gap:28px;padding-block:43px 35px}.ed-intro h1{font-size:52px}html[lang=en] .ed-intro h1{max-width:630px;font-size:56px}.ed-intro-aside{grid-template-columns:1fr 1fr;align-items:center;column-gap:32px;display:grid}.ed-intro-aside>p{grid-row:1/3;margin:0;font-size:13px}.ed-search input[type=search]{font-size:16px}.ed-intro-links{gap:0 13px;font-size:10px}.ed-stories-grid{grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:23px}.ed-lead-art{aspect-ratio:1.4;min-height:225px}.ed-cell-art{width:130%;max-width:none;left:-15%}.ed-side-stories{gap:21px;padding-left:22px}.ed-side-story+.ed-side-story{padding-top:21px}.ed-story-mark{min-height:70px;padding-inline:12px}.ed-story-mark>svg{width:70%;height:68px}.ed-story-mark>span{max-width:60px;font-size:8px}.ed-side-story h3{font-size:18px}.ed-side-story>p{display:none}.ed-story-meta{font-size:10px}.ed-lead h3{font-size:26px}.ed-lead-summary{font-size:13px}.ed-topic-section{margin-top:45px;padding-top:40px}.ed-topic-feature{padding-inline:17px}.ed-topic-feature h3{font-size:23px}.ed-topic-symbol{width:130px;height:70px;margin:15px 0 9px}.ed-topic-feature>p{font-size:12px}.ed-topic-bottom{font-size:9px}.ed-topic-bottom>span{font-size:10px}.ed-topic-index>a{padding-inline:14px;font-size:12px}.ed-latest-section{grid-template-columns:minmax(0,.8fr) minmax(0,1.6fr);gap:30px;margin:47px 0}.ed-latest-intro h2{font-size:27px}.ed-update{grid-template-columns:55px minmax(0,1fr) 36px;gap:12px}.ed-update h3{font-size:16px}.ed-update-arrow{width:36px}.ed-closing{margin-top:50px}.ed-closing h2{font-size:27px}.ed-closing-links{flex-direction:column;align-items:stretch;gap:6px}}@media (width<=600px){.ed-intro{gap:24px;padding-top:34px}.ed-intro .ed-eyebrow{margin-bottom:17px;font-size:9px}.ed-intro h1{font-size:clamp(35px,8.4vw,49px);line-height:1.35}html[lang=en] .ed-intro h1{font-size:clamp(37px,9vw,54px);line-height:1.13}.ed-intro-aside{display:block}.ed-intro-aside>p{max-width:none;margin-bottom:17px;font-size:14px;line-height:1.9}.ed-intro-links{gap:0 20px;font-size:12px}.ed-section-label{padding:15px 0 18px}.ed-section-label>span{font-size:10px}.ed-stories-grid{grid-template-columns:minmax(0,1fr);gap:29px}.ed-lead-art{aspect-ratio:1.65;min-height:215px}.ed-cell-art{width:110%;left:-5%}.ed-art-label{font-size:9px;inset:17px 18px auto}.ed-art-caption{font-size:9px;inset:auto 18px 14px}.ed-lead h3{font-size:27px;line-height:1.5}.ed-lead-summary{font-size:14px}.ed-story-meta{gap:6px 12px;margin-top:17px;font-size:11px}.ed-text-link{font-size:13px}.ed-side-stories{border-left:0;gap:23px;padding-left:0}.ed-side-story{border-top:1px solid var(--line);grid-template-columns:100px minmax(0,1fr);column-gap:17px;padding-top:23px;display:grid}.ed-side-story+.ed-side-story{padding-top:23px}.ed-story-mark{flex-direction:column;grid-area:1/1/4;justify-content:center;min-height:125px;padding:9px 7px}.ed-story-mark>svg{width:160%;max-width:none;height:70px;margin:-4px -30%}.ed-story-mark>span{text-align:center;max-width:none;margin-top:8px;font-size:8px;line-height:1.6}.ed-side-story .ed-story-meta{gap:6px 10px;margin:0 0 8px;font-size:10px}.ed-side-story h3{margin:0;font-size:19px;line-height:1.5}.ed-side-story .ed-text-link{justify-self:start;font-size:11px}.ed-topic-section{margin-top:40px;padding-top:32px}.ed-section-heading{flex-direction:column;align-items:start;gap:14px;margin-bottom:21px}.ed-section-heading h2{font-size:27px}.ed-section-heading .ed-eyebrow{margin-bottom:10px;font-size:9px}.ed-section-heading>.ed-text-link{min-height:32px}.ed-topic-features{grid-template-columns:minmax(0,1fr);gap:12px}.ed-topic-feature{grid-template-columns:minmax(0,1fr) 115px;gap:0 12px;padding:21px 22px 0;display:grid}.ed-topic-topline{grid-column:1/-1;align-items:center;font-size:9px}.ed-topic-symbol{grid-area:2/2/4;align-self:center;width:115px;height:70px;margin:15px 0}.ed-topic-feature h3{grid-column:1;margin:22px 0 10px;font-size:26px}.ed-topic-feature>p{grid-column:1;min-height:0;margin-bottom:21px;font-size:13px;line-height:1.75}.ed-topic-bottom{grid-column:1/-1;padding:14px 0;font-size:10px}.ed-topic-bottom>span{font-size:11px}.ed-topic-index{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:9px}.ed-topic-index>a{min-height:62px;padding:10px 14px;font-size:13px}.ed-topic-index>a:nth-child(odd){border-left:0;padding-left:0}.ed-topic-index>a:nth-child(-n+2){border-bottom:1px solid var(--line)}.ed-topic-index>a:nth-child(2n){padding-right:0}.ed-latest-section{grid-template-columns:minmax(0,1fr);gap:25px;margin:43px 0}.ed-latest-intro{padding-right:65px;position:relative}.ed-latest-intro .ed-eyebrow{margin-bottom:12px}.ed-latest-intro h2{margin-bottom:14px;font-size:28px}.ed-latest-intro>p:not(.ed-eyebrow){max-width:none;font-size:14px}.ed-reading-count{text-align:right;max-width:64px;margin:0;display:block;position:absolute;top:8px;right:0}.ed-reading-count strong{font-size:42px}.ed-reading-count span{margin-top:8px;font-size:9px;line-height:1.5;display:block}.ed-update{grid-template-columns:55px minmax(0,1fr) 35px;gap:10px;padding:20px 0}.ed-update h3{font-size:18px;line-height:1.6}.ed-update-tags{gap:6px 11px;font-size:10px}.ed-update>time{font-size:10px}.ed-update-arrow{width:35px;height:44px}.ed-toolkit{padding-top:32px}.ed-toolkit-controls{flex-wrap:wrap;gap:14px;margin-top:20px}.ed-toolkit-filters{gap:3px}.ed-toolkit-filters button{padding-inline:11px;font-size:12px}.ed-tool-count{font-size:11px}.ed-tool-grid{grid-template-columns:minmax(0,1fr)}.ed-tool{border-right:0;min-height:0;padding:23px 22px}.ed-tool h3{margin:14px 0 12px;font-size:27px}.ed-tool>p{margin-bottom:16px;font-size:14px;line-height:1.85}.ed-tool-type,.ed-tool-source{font-size:11px}.ed-closing{flex-direction:column;align-items:start;gap:23px;margin-top:40px;padding-top:32px}.ed-closing h2{font-size:27px}.ed-closing p:not(.ed-eyebrow){font-size:14px}.ed-closing-links{flex-direction:row;align-items:center;gap:24px}.ed-solid-link{font-size:13px}.ed-closing .ed-eyebrow{font-size:9px}}@media (width<=370px){.ed-intro h1{font-size:33px}.ed-intro-links{gap:0 14px;font-size:11px}.ed-lead h3{font-size:25px}.ed-side-story{grid-template-columns:85px minmax(0,1fr);column-gap:13px}.ed-side-story h3{font-size:18px}.ed-topic-feature{grid-template-columns:minmax(0,1fr) 90px;padding-inline:18px}.ed-topic-symbol{width:95px}.ed-toolkit-filters button{padding-inline:8px;font-size:11px}.ed-update{grid-template-columns:45px minmax(0,1fr) 30px;gap:8px}.ed-update-arrow{width:30px}.ed-update h3{font-size:17px}}@media (prefers-reduced-motion:reduce){.ed-cell-art,.ed-art-label>span:last-child,.ed-text-link>span,.ed-topic-feature,.ed-tool{transition:none}.ed-topic-feature:hover,.ed-lead-art:hover .ed-cell-art,.ed-lead-art:hover .ed-art-label>span:last-child,.ed-text-link:hover>span{transform:none}}.topic-breadcrumb{color:var(--muted);flex-wrap:wrap;gap:12px;padding-top:27px;font-size:12px;display:flex}.topic-breadcrumb a:hover{color:var(--accent)}.topic-opening{grid-template-columns:1.18fr 1fr;align-items:center;gap:65px;padding:52px 0 58px;display:grid}.topic-opening-copy{min-width:0}.topic-opening h1{font-family:var(--display-font);font-size:clamp(44px,6vw,78px);font-weight:var(--display-weight);letter-spacing:var(--display-tracking);overflow-wrap:anywhere;text-wrap:balance;margin:22px 0 25px;line-height:1.16}html[lang=zh-CN] .topic-opening h1{line-height:1.3}.topic-question{max-width:600px;margin-bottom:20px;font-size:clamp(19px,2vw,25px);line-height:1.65}.topic-summary{color:var(--muted);max-width:600px;margin-bottom:28px;font-size:14px;line-height:1.9}.topic-cover{color:#4a624d;background:#e0e5d5;border-radius:3px;min-width:0;margin:0;overflow:hidden}.topic-editorial[data-topic=aidd] .topic-cover{color:#836144;background:#e7ddcd}.topic-editorial[data-topic=structure-dynamics] .topic-cover,.topic-editorial[data-topic=protein-ai] .topic-cover{color:#655e87;background:#e2dfed}:root[data-theme=dark] .topic-cover{color:#b8c6a9;background:#313d30}:root[data-theme=dark] .topic-editorial[data-topic=aidd] .topic-cover{color:#d0b992;background:#42392c}:root[data-theme=dark] .topic-editorial[data-topic=structure-dynamics] .topic-cover,:root[data-theme=dark] .topic-editorial[data-topic=protein-ai] .topic-cover{color:#c6bcdf;background:#393647}.topic-illustration{width:100%;height:auto;padding:28px 24px 0}.topic-cover figcaption{letter-spacing:.06em;justify-content:space-between;gap:16px;padding:22px 24px;font:9px/1.5 ui-monospace,monospace;display:flex}.topic-section-nav{border-block:1px solid var(--line);grid-template-columns:repeat(3,minmax(0,1fr));gap:35px;display:grid}.topic-section-nav>a{align-items:center;gap:18px;min-height:70px;font:12px ui-monospace,monospace;display:flex}.topic-section-nav>a>span:first-of-type{font:16px var(--sans)}.topic-section-nav a:hover{color:var(--accent)}.topic-nav-count{color:var(--muted);margin-left:auto}.topic-path{grid-template-columns:.9fr 1.5fr;gap:90px;padding-block:75px 85px;display:grid}.topic-section-intro h2{white-space:pre-line;letter-spacing:-.04em;margin:24px 0;font-size:clamp(27px,3vw,40px);font-weight:520;line-height:1.45}html[lang=en] .topic-section-intro h2{line-height:1.3}.topic-section-intro>p:not(.eyebrow){max-width:340px;color:var(--muted);font-size:14px;line-height:1.9}.topic-path-caption{color:var(--muted);margin-top:27px;font-size:11px;display:block}.topic-step{border-bottom:1px solid var(--line)}.topic-step:first-child{border-top:1px solid var(--line)}.topic-step summary{cursor:pointer;grid-template-columns:28px 1fr 24px;align-items:center;gap:18px;padding:22px 0;font-size:20px;font-weight:500;list-style:none;display:grid}.topic-step summary::-webkit-details-marker{display:none}.topic-step summary:hover{color:var(--accent)}.topic-step-number{color:var(--muted);font:11px ui-monospace,monospace}.topic-expand{text-align:center;font-size:24px;font-weight:300;transition:transform .2s}.topic-step[open] .topic-expand{transform:rotate(45deg)}.topic-step-body{color:var(--muted);padding:0 42px 25px 46px;font-size:14px}.topic-step-body>p{margin-bottom:18px;line-height:1.9}.topic-step-links{flex-wrap:wrap;gap:8px;display:flex}.topic-step-links a{border:1px solid var(--line);min-height:36px;color:var(--ink);background:var(--surface);align-items:center;gap:12px;padding:5px 10px;font-size:11px;display:inline-flex}.topic-step-links a:hover{border-color:var(--accent);color:var(--accent)}.topic-block-heading{border-top:1px solid var(--line);justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px;padding-top:27px;display:flex}.topic-block-heading h2{letter-spacing:-.035em;margin:0;font-size:32px;font-weight:500;line-height:1.4}.topic-block-heading .eyebrow{margin-bottom:12px}.topic-lead{background:var(--subtle);border-radius:3px;grid-template-columns:180px 1fr;gap:45px;padding:36px;display:grid}.topic-lead-marker{font:11px/1.5 var(--sans);letter-spacing:.1em;color:var(--accent);padding-top:4px}.topic-entry-meta{color:var(--muted);flex-wrap:wrap;gap:20px;font-size:11px;display:flex}.topic-lead h3{letter-spacing:-.025em;margin:18px 0;font-size:clamp(23px,2.6vw,34px);font-weight:520;line-height:1.5}.topic-lead h3 a:hover,.topic-more-reading a:hover,.topic-tool-list h3 a:hover{color:var(--accent)}.topic-lead p{color:var(--muted);max-width:760px;font-size:14px;line-height:1.9}.topic-reading-length{color:var(--muted);margin-left:20px;font-size:11px;font-weight:400}.topic-more-reading{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:45px;display:grid}.topic-more-reading article{border-bottom:1px solid var(--line);min-width:0;padding:30px 0}.topic-more-reading h3{margin:15px 0;font-size:23px;font-weight:500;line-height:1.55}.topic-more-reading p{color:var(--muted);margin:0;font-size:13px;line-height:1.85}.topic-empty{color:var(--muted);max-width:650px;padding:26px 0;font-size:15px}.topic-tools{margin-top:80px}.topic-tool-list>article{border-bottom:1px solid var(--line);grid-template-columns:28px minmax(0,.85fr) minmax(0,1.3fr) auto;align-items:start;gap:25px;padding:27px 0;display:grid}.topic-tool-index{color:var(--muted);padding-top:5px;font:11px ui-monospace,monospace}.topic-tool-kind{color:var(--muted);font-size:10px}.topic-tool-list h3{margin:7px 0 0;font-size:22px;font-weight:500;line-height:1.3}.topic-tool-list p{color:var(--muted);margin:0;font-size:13px;line-height:1.8}.topic-tool-list .text-link{white-space:nowrap}.topic-crosslinks{margin-top:70px}.topic-crosslinks>div{flex-wrap:wrap;gap:10px;display:flex}.topic-crosslinks a{border:1px solid var(--line);align-items:center;gap:20px;min-height:46px;padding:12px 18px;font-size:14px;transition:background .15s;display:flex}.topic-crosslinks a:hover{background:var(--ink);color:var(--bg)}.topic-directory{border-top:1px solid var(--line);grid-template-columns:repeat(2,minmax(0,1fr));gap:0 50px;display:grid}.topic-directory-entry{border-bottom:1px solid var(--line);grid-template-columns:1fr 130px;gap:22px;min-width:0;padding:32px 0;display:grid}.topic-directory-entry>div{min-width:0}.topic-directory-entry h2{margin:16px 0;font-size:29px;font-weight:500;line-height:1.3}.topic-directory-entry p:not(.eyebrow){color:var(--muted);font-size:13px;line-height:1.8}.topic-directory-entry .topic-illustration{background:var(--subtle);color:var(--accent);border-radius:50%;align-self:center;padding:0}.topic-directory-entry:hover h2{color:var(--accent)}.topic-directory-entry .topic-count{color:var(--muted);font-size:11px}:is(.topic-editorial,.topic-directory) :is(h2,h3){font-family:var(--heading-font);letter-spacing:var(--heading-tracking);font-weight:500}@media (width<=1050px){.topic-opening{gap:36px}.topic-path{grid-template-columns:.8fr 1.2fr;gap:45px}.topic-lead{grid-template-columns:120px 1fr;gap:25px}.topic-directory{column-gap:30px}.topic-directory-entry{grid-template-columns:1fr 80px}.topic-section-nav{gap:24px}.topic-tool-list>article{grid-template-columns:20px 1fr 1.2fr;gap:20px}.topic-tool-list .text-link{grid-column:3;min-height:24px;margin-top:-12px}}@media (width<=760px){.topic-opening{grid-template-columns:1fr;gap:30px;padding-block:35px}.topic-opening h1{font-size:48px}.topic-cover{grid-template-columns:1fr auto;align-items:end;width:100%;max-width:none;display:grid}.topic-illustration{max-height:260px;padding:15px 0 0}.topic-cover figcaption{writing-mode:vertical-rl;align-self:stretch;align-items:center;gap:20px;padding:24px 18px}.topic-section-nav{gap:12px}.topic-section-nav>a{flex-wrap:wrap;gap:9px;min-height:64px;padding:12px 0;font-size:10px}.topic-section-nav>a>span:first-of-type{font-size:13px}.topic-nav-count{display:none}.topic-path{grid-template-columns:1fr;gap:24px;padding-block:45px}.topic-section-intro h2{margin-block:16px;font-size:31px}.topic-section-intro>p:not(.eyebrow){max-width:none}.topic-path-caption{display:none}.topic-block-heading{flex-direction:column;align-items:start;gap:12px}.topic-block-heading h2{font-size:28px}.topic-lead{grid-template-columns:1fr;gap:16px;padding:25px}.topic-lead h3{font-size:25px}.topic-reading-length{margin-left:0}.topic-lead .text-link{flex-wrap:wrap}.topic-tool-list>article{grid-template-columns:24px 1fr;gap:12px}.topic-tool-list p,.topic-tool-list .text-link{grid-column:2;margin:0}.topic-tools{margin-top:50px}.topic-more-reading,.topic-directory{grid-template-columns:1fr}.topic-directory-entry{grid-template-columns:1fr 100px}.topic-step summary{gap:12px;padding-block:18px;font-size:18px}.topic-step-body{padding:0 0 24px 40px}.topic-crosslinks{margin-top:45px}.topic-crosslinks a{padding:10px 12px;font-size:13px}}@media (width<=380px){.topic-opening h1{font-size:41px}.topic-directory-entry{grid-template-columns:1fr 65px;gap:14px}.topic-directory-entry h2{font-size:26px}}@media (width<=760px){.topic-step-links a,.topic-editorial .text-link{min-height:44px}}.reader{--reading-width:760px;width:100%;min-width:0}.reader-progress{z-index:60;appearance:none;pointer-events:none;background:0 0;border:0;width:100%;height:3px;position:fixed;inset:0 0 auto}.reader-progress::-webkit-progress-bar{background:0 0}.reader-progress::-webkit-progress-value{background:var(--accent)}.reader-progress::-moz-progress-bar{background:var(--accent)}.reader-header{padding:35px 0 0}.reader-breadcrumb{color:var(--muted);justify-content:space-between;align-items:center;gap:20px;margin-bottom:52px;font-size:12px;display:flex}.reader-breadcrumb>a{min-height:44px;color:var(--ink);align-items:center;gap:9px;display:inline-flex}.reader-breadcrumb>a:hover{color:var(--accent)}.reader-issue{letter-spacing:.1em;text-transform:uppercase;text-align:right;font-size:10px}.reader-category-line{color:var(--accent);flex-wrap:wrap;align-items:center;gap:8px 18px;margin-bottom:20px;font-size:12px;display:flex}.reader-category-line>a{text-underline-offset:5px;text-decoration:underline;text-decoration-color:var(--line);padding-block:8px}.reader-category-line>a:hover{text-decoration-color:currentColor}.reader-draft-label{color:var(--muted);border:1px solid var(--line);border-radius:3px;padding:5px 9px}.reader-header h1{max-width:1070px;font-family:var(--display-font);font-size:clamp(36px,4.2vw,59px);font-weight:var(--display-weight);letter-spacing:var(--display-tracking);text-wrap:pretty;overflow-wrap:anywhere;margin:0 0 27px;line-height:1.24}html[lang=zh-CN] .reader-header h1{line-height:1.38}.reader-deck{max-width:900px;color:var(--muted);text-wrap:pretty;margin:0;font-size:clamp(16px,1.4vw,19px);line-height:1.85}.reader-meta{border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--muted);flex-wrap:wrap;align-items:center;gap:12px 28px;margin-top:33px;padding:21px 0 25px;font-size:12px;display:flex}.reader-byline{flex-wrap:wrap;align-items:center;gap:10px 23px;display:flex}.reader-byline>span:first-child{color:var(--ink);font-size:13px;font-weight:600}.reader-copy{border:1px solid var(--line);min-height:44px;color:var(--ink);cursor:pointer;background:0 0;border-radius:4px;justify-content:center;align-items:center;gap:9px;margin-left:auto;padding:0 13px;font-size:12px;display:inline-flex}.reader-copy:hover{border-color:var(--ink);background:var(--surface,var(--subtle))}.reader-layout{grid-template-columns:226px minmax(0, var(--reading-width));justify-content:space-between;gap:clamp(35px,6vw,92px);padding-top:48px;display:grid}.reader-sidebar{min-width:0}.reader-sidebar-sticky{position:sticky;top:26px}.reader-outline{border-bottom:1px solid var(--line);padding-bottom:18px}.reader-outline summary{letter-spacing:.03em;cursor:pointer;justify-content:space-between;align-items:center;gap:16px;min-height:44px;padding:0 0 15px;font-size:12px;font-weight:600;list-style:none;display:flex}.reader-outline summary::-webkit-details-marker{display:none}.reader-outline-toggle{color:var(--muted);font-size:22px;font-weight:400}.reader-outline[open] .reader-outline-toggle{transform:rotate(45deg)}.reader-outline nav{scrollbar-width:thin;scrollbar-color:var(--line) transparent;max-height:min(56vh,560px);overflow-y:auto}.reader-outline ol{margin:0;padding:0 7px 0 0;list-style:none}.reader-outline li{margin:0;padding:0}.reader-outline a{color:var(--muted);border-left:1px solid var(--line);overflow-wrap:anywhere;padding:9px 9px 9px 13px;font-size:12px;line-height:1.65;text-decoration:none;display:block}.reader-outline a:hover{color:var(--ink)}.reader-outline a[aria-current=location]{color:var(--accent);border-left:2px solid var(--accent);background:var(--accent-soft,var(--subtle));padding-left:12px}.reader-outline .reader-outline-nested a{padding-left:23px;font-size:11px}.reader-outline .reader-outline-nested a[aria-current=location]{padding-left:22px}.reader-sidebar-topics{margin-top:26px}.reader-small-label{color:var(--muted);letter-spacing:.07em;text-transform:uppercase;margin:0 0 13px;font-size:10px;line-height:1.6;display:block}.reader-sidebar-topics>a{justify-content:space-between;align-items:center;gap:12px;min-height:44px;font-size:12px;display:flex}.reader-sidebar-topics>a:hover{color:var(--accent)}.reader-main{min-width:0}.reader-notice{background:var(--surface,var(--subtle));border-left:2px solid var(--accent);margin:0 0 30px;padding:18px 21px;font-size:13px;line-height:1.75}.reader-notice p{color:var(--muted);margin:5px 0 0}.reader-draft-notice{border:1px dashed var(--line);border-left:2px solid var(--accent)}.reader-body{max-width:none;color:var(--ink);overflow-wrap:anywhere;margin:0;font-size:17px;line-height:2}.reader-body>:first-child{margin-top:0}.reader-body h2{border-top:1px solid var(--line);font-family:var(--heading-font);letter-spacing:var(--heading-tracking);margin:58px 0 22px;padding-top:25px;scroll-margin-top:35px;font-size:clamp(26px,2.7vw,34px);font-weight:500;line-height:1.5}.reader-body h3{margin:34px 0 16px;scroll-margin-top:35px;font-size:21px;font-weight:600;line-height:1.6}.reader-body:lang(zh-CN){font-family:var(--heading-zh);--heading-font:var(--heading-zh);--heading-tracking:-.01em}.reader-body :is(h3,h4){font-family:var(--heading-font);letter-spacing:var(--heading-tracking)}.reader-body h4{margin:28px 0 14px;scroll-margin-top:35px;font-size:18px;line-height:1.6}.reader-body p,.reader-body ul,.reader-body ol{margin-bottom:24px}.reader-body ul,.reader-body ol{padding-left:1.5em}.reader-body li{margin-block:7px;padding-left:4px}.reader-body blockquote{border-left:2px solid var(--accent);background:var(--surface,var(--subtle));color:var(--ink);margin:32px 0;padding:17px 23px;font-size:16px;line-height:1.9}.reader-body blockquote p:last-child{margin-bottom:0}.reader-body a{color:var(--accent);text-underline-offset:4px;text-decoration-thickness:1px}.reader-body a:hover{color:var(--ink)}.reader-body sup{font-size:.72em;line-height:0}.reader-body figure{max-width:100%;margin:35px 0}.reader-body figure>a{display:block}.reader-body img{border:1px solid var(--line);background:#fff;border-radius:3px;width:auto;max-width:100%;height:auto;margin-inline:auto;display:block}.reader-body figure>a:hover img{outline:1px solid var(--accent);outline-offset:3px}.reader-body figcaption{border-left:1px solid var(--line);color:var(--muted);padding-left:12px;font-size:13px;line-height:1.8}.reader-body video{border:1px solid var(--line);background:#111;width:100%;max-width:100%;height:auto;display:block}.reader-body table{overscroll-behavior-x:contain;border-collapse:collapse;width:100%;max-width:100%;margin:28px 0;font-size:14px;line-height:1.7;display:block;overflow-x:auto}.reader-body th,.reader-body td{border:1px solid var(--line);text-align:left;vertical-align:top;min-width:105px;padding:13px 15px}.reader-body th{background:var(--surface,var(--subtle));font-weight:600}.reader-body pre{border:1px solid var(--line);background:var(--surface,var(--subtle));overscroll-behavior-x:contain;border-radius:4px;max-width:100%;padding:23px;font-size:13px;line-height:1.8;overflow-x:auto}.reader-body code{font-size:.84em}.reader-body pre code{font-size:inherit}.reader-body :not(pre)>code{background:var(--surface,var(--subtle));border:1px solid var(--line);border-radius:3px;padding:3px 6px}.reader-body hr{border:0;border-top:1px solid var(--line);margin:38px 0}.reader-article-end{border-top:1px solid var(--line);margin-top:56px;padding-top:30px}.reader-tags{flex-wrap:wrap;gap:8px;margin:0 0 26px;padding:0;list-style:none;display:flex}.reader-tags li{background:var(--surface,var(--subtle));border:1px solid var(--line);overflow-wrap:anywhere;border-radius:3px;max-width:100%;padding:6px 11px;font-size:12px}.reader-original{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:20px;padding:24px 0;display:flex}.reader-original p{color:var(--muted);margin:0 0 6px;font-size:13px}.reader-original a{text-underline-offset:5px;flex-shrink:0;align-items:center;gap:8px;min-height:44px;font-size:13px;text-decoration:underline;display:inline-flex}.reader-back{align-items:center;min-height:44px;font-size:13px;display:inline-flex}.reader-original a:hover,.reader-back:hover{color:var(--accent)}.reader-continuation{border-top:1px solid var(--line);margin-top:88px;padding-top:30px}.reader-section-heading{justify-content:space-between;align-items:baseline;gap:20px;margin-bottom:36px;display:flex}.reader-section-heading h2{font-family:var(--heading-font);letter-spacing:var(--heading-tracking);margin:0;font-size:clamp(27px,3vw,38px);font-weight:500}.reader-next-grid{grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:clamp(32px,7vw,90px);display:grid}.reader-next-grid>:only-child{grid-column:1/-1;max-width:840px}.reader-next-grid h3{margin:0 0 18px;font-size:14px;font-weight:600}.reader-next-entry{border-top:1px solid var(--line);grid-template-columns:minmax(0,1fr) 44px;gap:16px;padding:24px 0;display:grid}.reader-next-entry h4{font-family:var(--heading-font);letter-spacing:var(--heading-tracking);overflow-wrap:anywhere;margin:7px 0 12px;font-size:23px;font-weight:500;line-height:1.5}.reader-next-entry h4 a:hover,.reader-tool-entry h4 a:hover{color:var(--accent)}.reader-next-entry p{color:var(--muted);-webkit-line-clamp:3;-webkit-box-orient:vertical;margin:0;font-size:13px;line-height:1.85;display:-webkit-box;overflow:hidden}.reader-arrow{border:1px solid var(--line);border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;font-size:20px;transition:background-color .15s,color .15s;display:inline-flex}.reader-arrow:hover{background:var(--ink);color:var(--bg)}.reader-tool-entry{border-top:1px solid var(--line);padding:22px 0}.reader-tool-entry h4{margin:6px 0 11px;font-size:20px;font-weight:500}.reader-tool-entry h4 a{justify-content:space-between;align-items:center;gap:12px;display:flex}.reader-tool-entry p{color:var(--muted);margin:0;font-size:13px;line-height:1.8}.reader-tool-details{text-underline-offset:4px;align-items:center;min-height:44px;font-size:12px;text-decoration:underline;display:inline-flex}@media (width<=1099px){.reader-breadcrumb{margin-bottom:35px}.reader-header h1{max-width:980px}.reader-layout{max-width:var(--reading-width);margin-inline:auto;padding-top:32px;display:block}.reader-sidebar-sticky{position:static}.reader-outline{border:1px solid var(--line);background:var(--surface,var(--subtle));border-radius:4px;margin-bottom:33px;padding:0 20px}.reader-outline summary{min-height:54px;padding-block:12px}.reader-outline nav{max-height:45vh;padding-bottom:15px}.reader-outline a{min-height:44px;font-size:13px}.reader-sidebar-topics{display:none}.reader-continuation{margin-top:68px}}@media (width<=720px){.reader-header{padding-top:16px}.reader-breadcrumb{gap:14px;margin-bottom:25px}.reader-issue{max-width:150px;font-size:9px}.reader-category-line{gap:4px 16px;margin-bottom:14px;font-size:12px}.reader-header h1{margin-bottom:21px;font-size:clamp(29px,5.7vw,42px);line-height:1.3}html[lang=zh-CN] .reader-header h1{letter-spacing:-.01em;line-height:1.45}.reader-deck{font-size:15px;line-height:1.85}.reader-meta{gap:10px 18px;margin-top:26px;padding-block:16px;font-size:11px}.reader-byline{flex-basis:100%;gap:10px 17px}.reader-copy{padding-inline:11px;font-size:11px}.reader-layout{padding-top:25px}.reader-body{font-size:16px;line-height:1.95}.reader-body h2{margin-top:43px;padding-top:21px;font-size:26px;line-height:1.55}.reader-body h3{margin-top:28px;font-size:20px}.reader-body blockquote{padding:14px 17px;font-size:15px}.reader-body pre{padding:17px;font-size:12px}.reader-body table{font-size:13px}.reader-body th,.reader-body td{padding:10px 12px}.reader-body figure{margin-block:25px}.reader-body figcaption{font-size:12px}.reader-notice{padding:15px 17px;font-size:12px}.reader-article-end{margin-top:40px}.reader-original{flex-direction:column;align-items:flex-start;gap:8px}.reader-continuation{margin-top:50px}.reader-section-heading{flex-direction:column;align-items:flex-start;gap:5px;margin-bottom:26px}.reader-next-grid{grid-template-columns:minmax(0,1fr);gap:30px}.reader-next-entry h4{font-size:22px}.reader-next-entry{gap:14px}}@media (prefers-reduced-motion:reduce){.reader *,.reader :before,.reader :after{transition:none}}