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a{max-width:48%}.reading-next strong{font-size:13px;font-weight:500;display:block;margin-top:5px}.mobile-toc{display:none}.article-list{max-width:960px;margin-bottom:64px}.article-list-item{padding:26px 0;display:flex;align-items:center;justify-content:space-between;gap:32px;border-bottom:1px solid var(--line)}.article-list-item h2{font-size:22px;margin:8px 0}.article-list-item p{font-size:14px}.article-list-item>span{white-space:nowrap;font-size:12px;color:var(--blue);display:flex;gap:16px;align-items:center}.article-list-item:hover h2{color:var(--blue)}.case-detail{margin-bottom:64px}.demo-panel{border:1px solid var(--line);border-radius:12px;overflow:hidden;scroll-margin-top:110px}.demo-head{padding:28px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:16px}.demo-head h2{font-size:24px}.demo-grid{display:grid;grid-template-columns:1fr 1fr}.demo-grid>div{padding:28px}.demo-output{background:#f7f9fd;border-left:1px solid var(--line);min-height:320px}.demo-initial{text-align:center;padding:55px 0}.demo-initial svg{width:32px;height:32px;color:#92a9cd}.demo-initial h3{font-size:19px;margin:14px 0 10px}.demo-initial p{font-size:13px}#demo-result:not([hidden])+.demo-initial{display:none}#demo-result h3{margin:16px 0;font-size:20px}#reply-text{white-space:pre-line;font-size:15px;color:var(--ink)}#demo-result h4{font-size:13px;margin-top:24px;margin-bottom:10px}#reply-sources{font-size:12px;line-height:1.8}#reply-sources p+p{margin-top:8px}.draft-note{font-size:11px;border-top:1px solid var(--line);margin-top:20px;padding-top:12px}.example-questions{display:flex;flex-wrap:wrap;gap:8px;font-size:11px;margin-top:16px;align-items:center}.example-questions span{width:100%;color:var(--muted)}.example-questions button{border:1px solid #dce4f0;border-radius:5px;background:white;color:#416391;font-size:11px;padding:5px 10px}.example-questions button:hover{background:#edf4ff}.demo-docs{margin-top:18px;font-size:12px;color:var(--muted)}summary{cursor:pointer;color:var(--blue-dark);font-size:13px}.demo-docs li{margin:8px 0}label{display:block;font-size:13px;font-weight:600;margin-bottom:8px}textarea,input,select{display:block;width:100%;border:1px solid #cdd8e8;border-radius:7px;background:#fff;padding:12px;font-size:14px;color:var(--ink)}textarea{resize:vertical;line-height:1.8}form>.button{margin-top:16px}form>label:not(:first-child){margin-top:18px}.case-body{max-width:840px;margin:48px auto}.case-body section+section{margin-top:38px}.flow-steps{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin:22px 0;color:#8b9db8;font-size:14px}.flow-steps span{border:1px solid var(--line);border-radius:5px;color:var(--ink);background:var(--light);padding:9px 12px}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.service-card{border:1px solid var(--line);border-radius:10px;padding:28px}.service-card>svg{color:var(--blue);margin-bottom:18px}.service-card h2{font-size:22px;margin-bottom:12px}.service-card p{font-size:14px;margin-bottom:20px}.brief-panel{display:grid;grid-template-columns:1fr 1fr;gap:56px;border-top:1px solid var(--line);padding:48px 0 64px;margin-top:40px}.brief-panel h2{margin-bottom:16px}.brief-panel p{font-size:14px}.brief-panel .muted{font-size:12px}.muted{color:var(--muted)}#brief-status{font-size:12px;margin-top:14px}.about-body{display:grid;grid-template-columns:180px 1fr;gap:44px;max-width:960px;padding-bottom:64px}.about-body .reading h2{margin-top:30px}.about-body .reading h2:first-child{margin-top:0}.about-body .reading p{font-size:16px}.policy{max-width:820px;padding-bottom:64px}.policy h2{margin-top:32px}.policy p{font-size:16px}.error-page{padding-bottom:80px}
@media(min-width:1500px){.hero h1{font-size:50px}}
@media(max-width:1100px){.nav-row{gap:22px}.nav-row nav{gap:20px}.brand-sub{font-size:13px}.hero-grid{gap:28px}.hero h1{font-size:40px}.hero-footnote{gap:10px}.stage-card{padding:18px}.principles{padding:22px}.principles>div{padding-left:18px;gap:10px}.case-copy{padding:30px}.author-section{grid-template-columns:140px 1fr;gap:28px}.author-note{display:none}.reading-layout{grid-template-columns:180px minmax(0,1fr);gap:28px}.page-toc{display:none}.case-art{padding:32px}.stage-grid{gap:12px}}
@media(max-width:800px){.container{width:calc(100% - 40px)}.nav-row{min-height:72px;gap:16px}.brand{font-size:21px}.brand-sub{font-size:13px}.menu-toggle{display:block;order:3;background:#f3f6fb;border:1px solid var(--line);border-radius:6px;width:38px;height:38px;font-size:20px;color:var(--ink)}.nav-cta{margin-left:auto;font-size:12px;padding:9px 12px;min-height:38px}.nav-cta svg{display:none}.nav-row nav{display:none;position:absolute;left:0;right:0;top:72px;background:white;border-bottom:1px solid var(--line);padding:12px 20px;margin:0;box-shadow:0 10px 16px #17243b08}.nav-row nav.open{display:flex;justify-content:center;gap:24px}.nav-row nav a{font-size:13px;padding:10px 0}.hero{padding:44px 0 36px}.hero-grid{grid-template-columns:1fr;gap:36px}.hero-copy{max-width:620px}.hero h1{font-size:42px;line-height:1.38}.hero-description{max-width:600px;font-size:16px}.preview{max-width:620px;width:100%}.principles{grid-template-columns:repeat(2,1fr);gap:20px;padding:22px}.principles>div{padding:0;border:0}.section{padding:44px 0}.section-heading{align-items:flex-start;gap:18px}.section-heading h2{font-size:25px}.section-heading>.text-link{white-space:nowrap;font-size:12px;margin-top:28px}.stage-grid{grid-template-columns:repeat(2,1fr);gap:16px}.stage-card{padding:24px}.case-art{padding:28px;min-height:320px}.case-copy{padding:28px}.case-copy h3{font-size:24px}.article-grid{grid-template-columns:1fr}.article-card{padding:24px}.article-card h3{margin-top:12px}.article-card p{margin-bottom:16px}.author-section{grid-template-columns:115px 1fr;gap:24px}.author-mark{width:110px;height:140px;font-size:56px}.author-mark span{font-size:6px}.author-section h2{font-size:22px}.help-banner{padding:26px;margin-bottom:44px}.help-banner h2{font-size:22px}.help-banner .button{padding:10px 16px;font-size:13px}.footer-top{align-items:flex-start}.footer-links{gap:16px;flex-wrap:wrap;font-size:12px}.page-intro{padding-top:40px;padding-bottom:30px}.page-intro h1{font-size:30px}.reading-layout{display:block;padding-top:30px}.course-nav{display:none}.mobile-toc{display:block;background:#f5f8fc;border:1px solid var(--line);border-radius:7px;padding:14px;margin:24px 0}.mobile-toc a{display:block;font-size:13px;padding:7px 0}.mobile-toc a small{margin-right:8px;color:var(--muted)}.mobile-toc hr{border:0;border-top:1px solid var(--line)}.reading h1{font-size:28px}.reading h2{font-size:22px}.demo-head{padding:24px}.demo-head h2{font-size:21px}.demo-grid>div{padding:24px}.demo-grid{grid-template-columns:1fr}.demo-output{border-left:0;border-top:1px solid var(--line);min-height:250px}.demo-initial{padding:30px 0}.service-grid{grid-template-columns:1fr}.service-card{padding:24px}.brief-panel{gap:32px}.about-body{grid-template-columns:120px 1fr;gap:24px}}
@media(max-width:540px){.container{width:calc(100% - 32px)}.brand{gap:8px;font-size:20px}.brand-icon{width:32px;height:32px;border-radius:8px}.brand-sub{font-size:11px}.nav-row{gap:10px}.nav-cta{font-size:11px;padding:8px 9px}.menu-toggle{width:32px;height:34px}.hero{padding-top:32px}.hero-label{font-size:11px;margin-bottom:20px}.hero h1{font-size:34px;letter-spacing:-1px}.hero-description{font-size:15px;margin:20px 0 24px}.hero-buttons{gap:10px}.hero-buttons .button{padding:11px 15px;font-size:13px}.hero-footnote{font-size:10px;gap:9px;line-height:1.9}.preview-bar{padding:12px 10px;font-size:10px}.preview-bar .small-badge{font-size:9px}.preview-content{padding:18px 16px 12px}.process-grid{gap:4px;grid-template-columns:1fr 12px 1fr 12px 1fr}.process-grid small{font-size:9px}.process-grid b{font-size:12px}.preview-bottom{padding:12px 16px}.preview-bottom>.text-link{font-size:12px}.preview-bottom>span{font-size:10px}.principles{gap:18px;padding:20px 16px}.principles b{font-size:13px}.principles small{font-size:10px}.principles svg{width:21px;height:21px}.section-heading{display:block;margin-bottom:24px}.section-heading h2{font-size:24px}.section-heading p:not(.eyebrow){font-size:13px}.section-heading>.text-link{margin-top:14px}.stage-grid{grid-template-columns:1fr;gap:14px}.stage-card{padding:22px}.stage-number{margin-bottom:16px}.stage-card h3{font-size:20px}.stage-card>p:not(.eyebrow){font-size:14px}.stage-card .text-link{font-size:13px}.case-feature{grid-template-columns:1fr}.case-art{min-height:270px;padding:26px}.case-copy{padding:26px}.case-copy h3 br{display:none}.case-copy h3{font-size:24px}.article-card h3{font-size:20px}.author-section{display:block}.author-mark{width:88px;height:96px;font-size:42px;margin-bottom:22px}.author-mark span{font-size:5px;margin-top:4px}.author-section h2{font-size:24px}.help-banner{display:block;padding:26px 22px}.help-banner .button{margin-top:22px}.footer-top{display:block}.footer-links{margin-top:24px}.footer-bottom{display:block;line-height:2.2}.footer-bottom>*{display:block}.page-intro h1{font-size:28px}.page-intro>p:last-child{font-size:15px}.article-list-item{gap:16px;align-items:flex-start}.article-list-item h2{font-size:20px}.article-list-item>span{font-size:10px;flex-direction:column;gap:8px;margin-top:6px}.article-list-item p{font-size:13px}.reading p,.reading li,.case-body p,.case-body li{font-size:16px}.reading h1{font-size:27px}.reading-next{flex-direction:column;gap:24px}.reading-next a{max-width:100%}pre{padding:16px;font-size:12px}.demo-head{display:block;padding:22px}.demo-head>.small-badge{margin-top:12px}.demo-grid>div{padding:22px}.brief-panel{grid-template-columns:1fr;gap:28px;margin-top:30px;padding-top:30px}.about-body{display:block}.about-body .author-mark{margin-bottom:28px}.callout{padding:16px;font-size:13px}.case-body .button{margin-top:10px}.page-intro .eyebrow{font-size:10px}}
@media(max-width:800px){.menu-toggle{width:44px;height:44px;flex-shrink:0}.nav-cta{min-height:44px;flex-shrink:0;white-space:nowrap}.example-questions button{min-height:40px}}
@media(max-width:360px){.brand-sub{display:none}.hero h1{font-size:30px}.nav-row nav.open{gap:18px}}
.reading .table-scroll{max-width:100%;overflow-x:auto;margin:22px 0;border:1px solid var(--line);border-radius:8px}.reading table{width:100%;min-width:560px;border-collapse:collapse;font-size:14px;line-height:1.8;text-align:left}.reading caption{font-size:12px;text-align:left;padding:12px 16px;color:var(--muted);background:#f7f9fc}.reading th,.reading td{padding:12px 16px;vertical-align:top;border-top:1px solid var(--line)}.reading thead{background:#edf3fd}.reading tbody th{width:125px;font-weight:600}.reading td{color:var(--muted)}.reading .knowledge-check{margin:22px 0;padding:16px 20px;background:var(--light);border:1px solid var(--line);border-radius:8px}.reading .knowledge-check p{font-size:15px;margin-top:14px}.page-toc{max-height:calc(100vh - 140px);overflow-y:auto}
.course-figure{margin:28px 0}.course-image-link{display:block;overflow:hidden;border:1px solid var(--line);border-radius:8px;background:var(--light)}.course-image-link img{display:block;width:100%;height:auto}.course-image-link>span{display:block;padding:8px 12px;font-size:12px;text-align:right;color:var(--blue)}.course-image-link:hover{border-color:var(--blue)}.course-figure figcaption{font-size:12px;line-height:1.8;color:var(--muted);margin-top:10px}
.reading-layout{grid-template-columns:200px minmax(0,740px) 164px;gap:32px;justify-content:center;padding-top:48px}
.reading{min-width:0;overflow-wrap:break-word}.reading h1{font-size:36px;line-height:1.4;margin:16px 0}.reading .article-meta{justify-content:flex-start;gap:20px;font-size:12px}.reading .lead{font-size:18px;line-height:1.8;margin:24px 0 0;padding-bottom:32px;color:#526176}
.reading section{margin-top:0;padding:40px 0;border-bottom:1px solid var(--line)}.reading section:last-of-type{border-bottom:0}.reading h2{display:flex;align-items:baseline;gap:12px;font-size:24px;line-height:1.5;margin:0 0 24px;letter-spacing:0}.section-number{font-size:13px;line-height:1.5;font-weight:600;color:var(--blue);flex-shrink:0}.reading h3{font-size:19px;margin:28px 0 16px}.reading p,.reading li{color:#3e4c60;line-height:1.9}.reading p+p{margin-top:20px}.reading ul,.reading ol{margin:20px 0;padding-left:24px}.reading li+li{margin-top:12px}.reading strong{color:var(--ink)}.reading p a,.reading li a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}.reading pre{font-size:14px;line-height:1.9;white-space:pre-wrap;overflow-wrap:anywhere}.reading .callout{margin:24px 0;padding:20px 24px;line-height:1.9}.reading .table-scroll{margin:28px 0}.reading table{font-size:14px}.reading td{color:#3e4c60}.reading th,.reading td{padding:16px}.reading caption{padding:12px 16px}
.course-nav{padding-right:16px;border-right:1px solid var(--line);max-height:calc(100vh - 140px);overflow-y:auto}.course-nav>a{padding:14px 12px;margin-bottom:4px;border-left:0;border-radius:6px}.course-nav>a.selected{font-weight:600}.page-toc{border-left:1px solid var(--line);padding-left:16px}.page-toc>a,.mobile-toc>a{display:flex;align-items:baseline;gap:10px;padding:8px 0;font-size:13px;line-height:1.6}.toc-number{font-size:11px;color:#94a1b4;flex-shrink:0;font-variant-numeric:tabular-nums}.page-toc .toc-note{font-size:11px;line-height:1.8}.page-toc .eyebrow,.course-nav .eyebrow{color:#8592a6;letter-spacing:0;font-size:12px;margin-bottom:16px}
.course-figure{margin:28px 0 8px}.course-image-link{background:#f5f7fa;padding:12px 12px 0;border-radius:8px}.course-image-link img{max-height:380px;object-fit:contain}.course-image-link>span{padding:10px 0;font-size:12px}.course-figure figcaption{font-size:13px;line-height:1.8;padding:0 4px;margin-top:12px}.source-notes{padding:20px 24px;border:1px solid var(--line);border-radius:8px;background:#f8fafc}.source-notes summary{font-size:15px;font-weight:600}.source-notes[open] summary{margin-bottom:20px}.source-notes p,.source-notes li{font-size:14px}.reading-next{margin-top:16px}
@media(max-width:1100px){.reading-layout{grid-template-columns:176px minmax(0,740px);gap:28px}.page-toc{display:none}}
@media(max-width:800px){.reading-layout{display:block;max-width:740px;padding-top:28px}.reading h1{font-size:30px}.reading .lead{font-size:17px;padding-bottom:24px}.reading section{padding:32px 0}.reading h2{font-size:22px;gap:10px;margin-bottom:20px}.course-nav{display:none}.mobile-toc{padding:18px 20px;margin:24px 0}.mobile-toc>summary{font-size:14px;font-weight:600}.mobile-toc>a{padding:9px 0}.mobile-toc>a small{margin:0}.mobile-toc>a:first-of-type{margin-top:12px}.course-image-link img{max-height:340px}.reading .callout{padding:18px 20px}}
@media(max-width:540px){.reading h1{font-size:28px}.reading h2{font-size:21px}.reading p,.reading li{font-size:16px}.course-image-link{padding:6px 6px 0}.course-image-link img{max-height:280px}.course-figure figcaption{font-size:12px}.reading .table-scroll{margin:24px -4px}.source-notes{padding:16px}.reading pre{font-size:13px;padding:18px}}
.tools-page{padding-top:64px;padding-bottom:64px}.tools-intro{display:grid;grid-template-columns:1fr 290px;gap:40px;align-items:end;margin-bottom:48px}.tools-intro .eyebrow{font-size:13px;letter-spacing:0;margin-bottom:20px}.tools-intro h1{font-size:clamp(46px,5.3vw,72px);line-height:1.2;letter-spacing:-2px;font-weight:800}.tools-intro h1 span{color:var(--blue)}.tools-intro-note{padding-bottom:8px}.tools-intro-note>span{font-size:12px;color:#8793a6;display:block;border-top:1px solid var(--line);padding-top:20px;margin-bottom:12px}.tools-intro-note p{font-size:16px;line-height:1.9}.tools-toolbar{display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid #d5ddea;margin-bottom:32px;min-height:52px}.tool-filters{display:flex;gap:28px;overflow-x:auto}.tool-filters button{border:0;border-bottom:3px solid transparent;padding:12px 0;background:none;font-size:14px;color:var(--muted);white-space:nowrap;min-height:48px}.tool-filters button[aria-pressed="true"]{color:var(--blue);border-color:var(--blue);font-weight:700}.tools-toolbar>p{font-size:12px;white-space:nowrap;font-variant-numeric:tabular-nums}.tools-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px 28px;align-items:stretch}.tool-card{min-width:0;display:flex;flex-direction:column}.tool-cover{position:relative;aspect-ratio:8/5;overflow:hidden;border-radius:6px}.tool-cover img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .25s}.tool-card:hover .tool-cover img{transform:scale(1.025)}.tool-cover-label{position:absolute;top:18px;left:20px;font-size:11px;letter-spacing:2px;color:#375467;font-weight:700}.tool-cover-note{position:absolute;bottom:12px;right:16px;font-size:10px;letter-spacing:1px;color:#496178}.tool-card[data-tool-category="skill"] .tool-cover-label,.tool-card[data-tool-category="skill"] .tool-cover-note{color:#e0ecff}.tool-body{padding:22px 0 0;display:flex;flex-direction:column;flex:1}.tool-meta{font-size:11px;color:#8793a6;line-height:1.7;min-height:20px}.tool-body h2{font-size:23px;letter-spacing:-.6px;margin:9px 0 12px;line-height:1.4;min-height:65px;overflow-wrap:anywhere}.tool-description{font-size:15px;line-height:1.8;color:#3e4c60;min-height:54px}.tool-audience{font-size:12px;line-height:1.8;margin-top:10px;margin-bottom:22px}.tool-actions{display:flex;justify-content:space-between;align-items:center;gap:12px;padding-top:12px;border-top:1px solid var(--line);margin-top:auto}.tool-actions>a{display:flex;gap:8px;align-items:center;color:var(--blue);font-size:14px;font-weight:600;min-height:40px}.tool-actions>a:hover{text-decoration:underline;text-underline-offset:4px}.tool-actions svg{width:16px;height:16px}.tool-actions>span{font-size:11px;color:#8793a6}.tool-notes{margin-top:10px}.tool-notes summary{font-size:12px;color:var(--muted);padding:6px 0;min-height:32px}.tool-notes[open]{background:#f5f8fc;padding:12px 16px;border-radius:6px}.tool-notes p{font-size:13px;line-height:1.9;padding:10px 0 4px}.tools-endnote{display:flex;align-items:center;justify-content:space-between;gap:24px;border-top:1px solid var(--line);margin-top:48px;padding-top:24px}.tools-endnote p:first-child{font-size:15px;color:var(--ink);font-weight:600}.tools-endnote p:last-child{font-size:12px}.tools-empty{text-align:center;padding:48px 0}.tools-empty .button{margin-top:20px}.tool-card[hidden],.tools-empty[hidden],.tool-filters[hidden]{display:none!important}
@media(min-width:801px) and (max-width:1100px){.nav-row{gap:18px}.nav-row nav{gap:18px}.nav-row .brand-sub{font-size:12px}.nav-cta{padding:10px 12px}}
@media(max-width:1000px){.tools-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tools-intro{grid-template-columns:1fr 250px;gap:24px}.tools-intro h1{font-size:54px}}
@media(max-width:800px){.tools-page{padding-top:40px;padding-bottom:44px}.tools-intro{grid-template-columns:1fr;gap:24px;margin-bottom:28px}.tools-intro h1{font-size:54px}.tools-intro-note{padding-bottom:0}.tools-intro-note>span{display:none}.tools-intro-note p br{display:none}.tools-intro-note p{font-size:15px}.nav-row nav.open{flex-wrap:wrap;gap:8px 22px}.tools-endnote{display:block}.tools-endnote p+p{margin-top:10px}.tool-notes summary{min-height:44px;padding:10px 0}}
@media(max-width:600px){.tools-grid{grid-template-columns:1fr;gap:32px}.tools-intro h1{font-size:clamp(38px,8.8vw,50px);letter-spacing:-1.5px}.tools-intro .eyebrow{margin-bottom:16px}.tools-toolbar{gap:14px;margin-bottom:24px}.tool-filters{gap:20px}.tool-filters button{font-size:13px}.tools-toolbar>p{font-size:10px}.tool-body h2{min-height:0;font-size:24px}.tool-description{min-height:0}.tool-body{padding-top:20px}.tool-cover-label{font-size:12px}.tools-endnote{margin-top:32px}}
.tool-filters{min-width:0}
@media(min-width:801px) and (max-width:1050px){.nav-row{min-height:72px;gap:16px}.menu-toggle{display:block;order:3;background:#f3f6fb;border:1px solid var(--line);border-radius:6px;width:44px;height:44px;font-size:20px;color:var(--ink);flex-shrink:0}.nav-cta{margin-left:auto;min-height:44px}.nav-row nav{display:none;position:absolute;left:0;right:0;top:72px;background:white;border-bottom:1px solid var(--line);padding:12px 20px;margin:0}.nav-row nav.open{display:flex;justify-content:center;flex-wrap:wrap;gap:8px 24px}.nav-row nav a{font-size:14px;padding:10px 0}}
.reading section,.demo-panel{scroll-margin-top:0}.mobile-toc a small{flex-shrink:0;white-space:nowrap}
@media(max-width:600px){.reading .table-scroll:before{content:"左右滑动查看完整表格";display:block;position:sticky;left:0;width:max-content;max-width:100%;padding:10px 16px;font-size:12px;color:var(--blue-dark);background:var(--light)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}