:root{--ink:#1d1d1f;--muted:#6e6e73;--paper:#f5f5f7;--line:#d9dade;--white:#fff;--radius:24px;--max:1120px;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;color:var(--ink);background:var(--white);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:85px}body{margin:0}a{color:inherit;text-decoration:none}button{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #606977;outline-offset:5px}::selection{background:#d8dce2;color:#000}.skip-link{position:fixed;top:-70px;left:20px;z-index:100;background:#fff;padding:15px}.skip-link:focus{top:12px}.site-header{height:76px;position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;padding:0 4.5%;background:rgba(245,245,247,.84);backdrop-filter:blur(22px);border-bottom:1px solid rgba(29,29,31,.06)}.brand{display:flex;align-items:center;gap:9px;font-size:19px;letter-spacing:-.65px;font-weight:600}.brand svg{width:26px;height:30px}.brand svg path{stroke:currentColor;stroke-width:1.7;fill:none}.brand svg circle{fill:currentColor}.brand-version{margin-left:6px;font-weight:400;color:#6e6e73}.desktop-nav{display:flex;gap:34px;font-size:14px;color:#525259}.desktop-nav a:hover{color:#000}.header-cta{font-size:13px;line-height:1;padding:11px 18px;background:var(--ink);color:#fff;border-radius:30px}.hero{background:var(--paper);overflow:hidden}.hero-copy{text-align:center;padding:71px 24px 14px}.eyebrow{font-size:12px;line-height:1.5;letter-spacing:2.5px;font-weight:600;margin:0 0 24px;color:#737780}.hero h1{font-size:clamp(54px,8.35vw,120px);letter-spacing:-6px;line-height:1.06;font-weight:550;margin:0 0 28px}.hero h1 span{color:#979aa2;font-weight:400}.hero-statement{font-size:clamp(30px,3.1vw,45px);font-weight:500;letter-spacing:-1.8px;line-height:1.4;margin:0 0 18px}.hero-description{font-size:18px;line-height:1.7;color:var(--muted);margin:0}.hero-actions{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 28px;border-radius:30px;font-size:14px;font-weight:500;border:1px solid transparent;transition:background .2s,transform .2s}.button:hover{transform:translateY(-2px)}.button-dark{background:var(--ink);color:white}.button-dark:hover{background:#37373b}.button-light{background:transparent;border-color:#c9cbd0}.button-light:hover{background:#e9eaed}.hero-graph{max-width:1320px;margin:30px auto 0;position:relative;padding:0 35px}.hero-graph svg{display:block;width:100%;height:auto}.signal-path{stroke-dasharray:1600;stroke-dashoffset:1600;animation:connect 2s .3s ease-out forwards}.diagram-caption{font-size:14px;text-align:center;margin:-3px 0 36px;color:#6e6e73}.diagram-caption span{display:block;font-size:12px;letter-spacing:1px;color:#85858b;margin-top:8px}.hero-foot{max-width:var(--max);padding:25px 0;display:flex;justify-content:space-between;border-top:1px solid var(--line);margin:auto;font-size:11px;letter-spacing:1.8px;color:#7b7d84}.intro{text-align:center;padding:132px 24px 142px}.intro .eyebrow{margin-bottom:26px}h2{font-size:clamp(36px,4.2vw,62px);line-height:1.22;letter-spacing:-2px;font-weight:550;margin:0}.intro h2 span{color:#a0a1a7}.section-body{font-size:18px;line-height:1.9;color:var(--muted);margin:29px auto 0;max-width:670px}footer{max-width:var(--max);margin:auto;border-top:1px solid var(--line);display:flex;gap:30px;padding:32px 0 42px;font-size:12px;color:var(--muted)}footer span:first-child{color:var(--ink);font-weight:600}footer a{margin-left:auto}.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease}.reveal.in-view{opacity:1;transform:none}@keyframes connect{to{stroke-dashoffset:0}}
@media(min-width:1550px){.hero-copy{padding-top:95px}.hero-graph{margin-top:46px}.hero-foot{padding:30px 0}}
@media(max-width:900px){.desktop-nav{gap:18px}.site-header{padding:0 28px}.hero h1{letter-spacing:-4px}.hero-copy{padding-top:70px}.hero-foot,footer{margin-left:30px;margin-right:30px}.hero-graph{margin-top:44px;padding:0 10px}}
@media(max-width:640px){.site-header{height:64px;padding:0 20px}.brand{font-size:17px}.desktop-nav{display:none}.header-cta{font-size:12px;padding:10px 15px}.hero-copy{padding:68px 20px 0}.eyebrow{font-size:11px;letter-spacing:2px;margin-bottom:27px}.hero h1{font-size:clamp(40px,10.5vw,65px);letter-spacing:-2.6px;margin-bottom:26px}.hero-statement{font-size:30px;letter-spacing:-1.5px}.hero-description{font-size:15px;max-width:290px;margin:auto;line-height:1.8}.hero-actions{gap:10px;margin-top:26px}.button{min-height:46px;padding:0 20px;font-size:13px}.hero-graph{width:760px;max-width:none;left:50%;margin:39px 0 0;transform:translateX(-50%);padding:0}.hero-graph svg{height:220px;width:760px}.diagram-caption{font-size:13px;margin-top:12px;margin-bottom:34px}.hero-foot{margin:0 20px;padding:21px 0;gap:20px;font-size:9px;letter-spacing:1px;flex-wrap:wrap;justify-content:center}.hero-foot span:nth-child(2){display:none}.intro{padding:98px 25px 100px}h2{font-size:36px;letter-spacing:-1.7px;line-height:1.3}.section-body{font-size:16px;line-height:1.9;margin-top:25px}.desktop-break{display:none}footer{margin:0 24px;gap:16px;flex-wrap:wrap;padding:27px 0;font-size:11px}footer span:nth-child(2){display:none}}
.section-wrap{max-width:var(--max);margin:0 auto}.section-heading{text-align:center}.section-heading h2 span,.evidence-copy h2 span{color:#94969f}.dark-section{background:#101012;color:#f5f5f7}.dark-section .eyebrow{color:#909199}.dark-section h2 span{color:#85868e}.dark-section .section-body{color:#a5a5ad}.graph-section{padding:112px 40px 85px}.graph-explorer{margin-top:62px}.segmented{display:flex;justify-content:center;gap:4px;padding:5px;background:#eeeff2;border-radius:32px;width:max-content;max-width:100%;margin:0 auto}.segmented button{border:0;background:transparent;border-radius:24px;min-height:40px;padding:10px 21px;color:#64666e;font-size:14px;white-space:nowrap;cursor:pointer;transition:background .2s,color .2s}.segmented button[aria-selected=true]{background:white;color:var(--ink);box-shadow:0 2px 6px #00000006}.dark-segmented{background:#222225}.dark-segmented button{color:#a5a5ae}.dark-segmented button[aria-selected=true]{background:#e8e8ec;color:#171719}.relation-panel{margin-top:43px}.flow-labels{display:grid;grid-template-columns:1fr 1fr 1fr;max-width:1000px;margin:0 auto;text-align:center;font-size:12px;letter-spacing:1.5px;color:#8b8c94}.relation-diagram{display:block;width:100%;max-width:1000px;margin:10px auto 0;overflow:visible}.dim-route{stroke:#3b3b42;fill:none;stroke-width:1}.active-route{stroke:#c6c8d0;stroke-width:1.5;fill:none}.root-ring{fill:#18181c;stroke:#494952;stroke-width:1}.root-dot{fill:#e6e7ed;stroke:#101012;stroke-width:5}.quiet-dot{fill:#19191d;stroke:#686974;stroke-width:1.5}.source-ring{fill:#e6e7ed}.source-check{fill:none;stroke:#171719;stroke-width:1.8}.svg-label{font-family:Consolas,"SFMono-Regular",monospace;font-size:15px;fill:#e8e8ed}.svg-label .quiet-label{fill:#6f707a;font-size:12px}.relation-explanation{text-align:center;min-height:110px;margin:31px auto 0;max-width:680px}.relation-explanation h3{font-size:23px;font-weight:500;line-height:1.5;margin:0 0 13px}.relation-explanation p{font-size:16px;line-height:1.85;color:#a4a4ad;margin:0}.small-note{font-size:12px;color:#80818a;line-height:1.85;text-align:center;margin:24px 0 0}.graph-principles{margin-top:65px;display:grid;grid-template-columns:repeat(3,1fr);gap:50px;border-top:1px solid #38383e;padding-top:36px}.principle-number{font:12px Consolas,monospace;letter-spacing:1px;color:#80818d}.graph-principles h3{font-size:18px;font-weight:500;margin:16px 0 10px}.graph-principles p{font-size:14px;line-height:1.8;color:#a2a2ac;margin:0}.evidence-section{padding:125px 40px 62px}.evidence-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:65px;align-items:center}.evidence-copy h2{font-size:clamp(36px,3.5vw,52px)}.evidence-copy .section-body{font-size:17px;margin-left:0;margin-top:27px;max-width:440px}.evidence-detail{display:flex;flex-direction:column;gap:15px;margin-top:36px;font-size:14px;color:#555860}.evidence-detail span::before{content:"";display:inline-block;width:5px;height:5px;border:1px solid #7f8490;transform:rotate(45deg);margin:0 14px 2px 1px}.evidence-visual{background:var(--paper);border-radius:var(--radius);padding:42px 30px 30px;min-height:470px;display:flex;align-items:center;justify-content:center;flex-direction:column}.evidence-orbit{width:330px;height:330px;border:1px solid #d5d7de;border-radius:50%;position:relative;display:flex;align-items:center;justify-content:center}.evidence-orbit::before{content:"";position:absolute;inset:31px;border:1px solid #e0e1e6;border-radius:50%}.evidence-orbit>span{position:absolute;padding:6px 12px;background:var(--paper);font-size:10px;letter-spacing:1.6px;color:#737781}.evidence-orbit>span:nth-of-type(1){top:-12px;left:50%;transform:translateX(-50%)}.evidence-orbit>span:nth-of-type(2){top:64%;right:-27px}.evidence-orbit>span:nth-of-type(3){top:69%;left:-26px}.evidence-core{display:flex;align-items:center;flex-direction:column;z-index:1}.evidence-core svg{width:49px;height:49px;margin-bottom:17px;fill:none;stroke:var(--ink);stroke-width:1.3}.evidence-core strong{font-size:30px;font-weight:500;letter-spacing:-1px}.evidence-core span{font-size:14px;color:#838690;margin-top:9px}.evidence-caption{display:flex;gap:26px;font-size:14px;margin-top:29px;color:#7c8089}.delivery-strip{display:grid;grid-template-columns:1fr 1fr;gap:65px;border-top:1px solid var(--line);margin-top:82px;padding-top:35px;align-items:center}.delivery-strip .eyebrow{font-size:10px;margin:0 0 10px}.delivery-strip h3{font-size:23px;margin:0;font-weight:500;letter-spacing:-.6px}.delivery-strip>p{font-size:14px;line-height:1.9;color:var(--muted);margin:0}.skills-section{padding:117px 40px 80px;background:var(--paper)}.new-label{font-size:9px;line-height:1;padding:4px 6px;border:1px solid #b4b7be;margin-left:9px;border-radius:4px;letter-spacing:1px;vertical-align:2px}.skills-journey{margin-top:67px}.journey-steps{position:relative;display:grid;grid-template-columns:repeat(4,1fr);max-width:950px;margin:auto}.journey-steps::before{content:"";position:absolute;top:27px;left:12.5%;right:12.5%;height:1px;background:#ced0d6}.journey-steps button{z-index:1;border:0;cursor:pointer;background:transparent;display:flex;align-items:center;flex-direction:column;gap:17px;padding:0;font-size:14px;color:#8a8c95}.step-symbol{width:55px;height:55px;background:var(--paper);border:1px solid #caccd3;border-radius:50%;display:flex;align-items:center;justify-content:center;font:14px Consolas,monospace;transition:color .2s,background .2s,box-shadow .2s}.journey-steps button[aria-selected=true]{color:var(--ink)}.journey-steps button[aria-selected=true] .step-symbol{background:var(--ink);color:white;border-color:var(--ink);box-shadow:0 0 0 7px var(--paper)}.skill-panel{text-align:center;max-width:700px;min-height:185px;margin:41px auto 0;background:#fff;border:1px solid #e5e6ea;padding:27px 38px;border-radius:18px}.skill-panel .eyebrow{font-size:10px;letter-spacing:1.8px;margin-bottom:10px}.skill-panel h3{font-size:25px;font-weight:500;margin:0 0 12px;letter-spacing:-.8px}.skill-panel>p:last-child{font-size:15px;color:#777b84;line-height:1.9;margin:0}.skill-controls{display:grid;grid-template-columns:1fr 1fr;gap:100px;max-width:840px;margin:51px auto 0}.skill-controls h3{font-size:19px;font-weight:500;margin:0 0 11px}.skill-controls p{font-size:15px;line-height:1.9;color:#777b84;margin:0}.performance-section{padding:120px 40px 105px}.benchmark{margin-top:53px}.benchmark-tabs button{padding-left:22px;padding-right:22px}.metric-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:45px;margin-top:57px;margin-bottom:49px}.metric-label{font-size:14px;color:#6e717b;margin:0 0 22px}.metric-value{font-size:clamp(42px,5.4vw,76px);letter-spacing:-3.5px;line-height:1.13;font-weight:500;white-space:nowrap}.metric-value>span{font-size:.45em;letter-spacing:-1px;margin-left:4px}.metric-change{font-size:13px;color:#7f838c;margin:17px 0 0;line-height:1.7}.metric-main .metric-value{color:var(--ink)}.bar-chart{display:flex;flex-direction:column;gap:23px;padding:34px 0 38px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.bar-row{display:grid;grid-template-columns:140px 1fr 65px;gap:20px;align-items:center;font-size:13px;color:#737780}.bar-track{height:8px;border-radius:8px;background:#f0f1f3;overflow:hidden}.bar{height:100%;border-radius:8px;transition:width .6s cubic-bezier(.16,1,.3,1)}.bar.baseline{background:#bfc2ca}.bar.graph{background:var(--ink)}.bar-row strong{text-align:right;font-size:14px;font-weight:500;color:var(--ink)}.benchmark-scope-note{font-size:13px;line-height:1.85;color:#717680;margin:24px 0;min-height:48px}.method-details{border-top:1px solid var(--line);font-size:14px}.method-details summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;padding:20px 0;color:#545760}.method-details summary::-webkit-details-marker{display:none}.method-details summary>span{font-size:24px;line-height:1;font-weight:300;color:#7b8089;transition:transform .2s}.method-details[open] summary>span{transform:rotate(45deg)}.method-details>div{max-width:930px;color:#777c85;padding:0 0 21px;font-size:14px;line-height:1.9}.method-details p{margin:0 0 16px}.text-link{text-decoration:underline;text-underline-offset:5px;font-size:14px;line-height:1.6}.start-section{padding:104px 40px 78px}.start-content{max-width:800px;margin:45px auto 0}.start-tabs{margin-bottom:25px}.command-block{border:1px solid #3b3b41;border-radius:18px;overflow:hidden;background:#161619}.command-topline{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #333339;padding:15px 24px;gap:15px;font-size:12px;color:#a0a0ac}.copy-button{border:1px solid #575761;border-radius:22px;background:transparent;color:#dedee6;padding:7px 13px;font-size:12px;cursor:pointer;flex-shrink:0}.copy-button:hover{background:#34343b}.command-block pre{margin:0;padding:26px 28px;overflow:auto;line-height:1.9;font:14px/1.9 Consolas,"SFMono-Regular",monospace;color:#d6d8df;tab-size:2}.copy-status{min-height:22px;font-size:12px;text-align:right;margin:7px 5px 0;color:#a7a8b0}.setup-note{text-align:center;margin:24px auto 0}.setup-note>span{font-size:12px;letter-spacing:.8px;color:#8d8e99}.setup-note>p{font-size:13px;line-height:1.9;color:#9d9da8;margin:14px 0 0}.setup-note code{font-family:Consolas,monospace;color:#d0d1db}.start-actions{display:flex;align-items:center;justify-content:center;gap:30px;margin-top:33px}.button-white{background:#efeff2;color:#19191c}.button-white:hover{background:#fff}.start-actions .text-link{color:#b8bac6;font-size:13px}.start-section .small-note{margin-top:38px;color:#85858f}footer .footer-date{margin-left:auto}footer .footer-date+a{margin-left:10px}.reveal{opacity:1;transform:none}.js .reveal{opacity:0;transform:translateY(24px)}.js .reveal.in-view{opacity:1;transform:none}
@media(max-width:1050px){.section-wrap{max-width:920px}.evidence-layout{gap:30px}.evidence-orbit{width:290px;height:290px}.evidence-visual{padding:40px 20px;min-height:420px}.evidence-copy h2{font-size:40px}.metric-grid{gap:25px}.metric-value{font-size:62px}.delivery-strip{gap:30px}}
@media(max-width:760px){.graph-section,.skills-section,.performance-section,.start-section{padding:87px 26px 65px}.evidence-section{padding:87px 26px 60px}.evidence-layout{grid-template-columns:1fr;gap:45px}.evidence-copy{text-align:center}.evidence-copy h2{font-size:36px}.evidence-copy .section-body{font-size:16px;margin-left:auto;margin-right:auto;max-width:430px}.evidence-detail{gap:13px;margin-top:25px;align-items:center}.evidence-visual{max-width:500px;width:100%;margin:auto;min-height:420px}.evidence-orbit{width:290px;height:290px}.delivery-strip{grid-template-columns:1fr;gap:18px;margin-top:50px;text-align:center}.delivery-strip>p{font-size:14px}.graph-explorer{margin-top:42px}.relation-panel{margin-top:32px}.relation-explanation{margin-top:18px;min-height:122px}.relation-explanation h3{font-size:20px}.relation-explanation p{font-size:15px}.graph-principles{gap:24px;margin-top:39px;padding-top:26px}.graph-principles h3{font-size:16px}.graph-principles p{font-size:13px}.graph-principles .principle-number{font-size:11px}.skills-journey{margin-top:45px}.skill-controls{gap:30px}.skill-panel{padding:26px;min-height:205px}.metric-grid{grid-template-columns:1fr 1fr;gap:34px 20px;margin-top:40px;margin-bottom:35px}.metric-main{grid-column:1/-1}.metric-main .metric-value{font-size:84px}.metric-value{font-size:52px;letter-spacing:-2.5px}.metric-label{font-size:12px;margin-bottom:16px}.metric-change{font-size:12px;margin-top:10px}.benchmark-tabs{max-width:100%;width:100%;gap:0;padding:4px}.benchmark-tabs button{font-size:12px;padding:10px 12px;flex:1}.bar-row{grid-template-columns:112px 1fr 55px;gap:14px;font-size:12px}.start-content{margin-top:38px}.command-topline{padding:15px 18px;font-size:11px}.command-block pre{font-size:12px;padding:22px 18px}.footer-date{display:none!important}.graph-principles>div{min-width:0}.flow-labels{font-size:11px;letter-spacing:.3px}}
@media(max-width:440px){.section-heading h2{font-size:34px}.graph-section,.skills-section,.performance-section,.start-section{padding-left:22px;padding-right:22px}.segmented button{font-size:12px;padding:10px 15px}.benchmark-tabs button{font-size:11px;padding:10px 9px}.relation-diagram{margin-top:20px;min-height:150px}.graph-principles{grid-template-columns:1fr;gap:23px}.graph-principles>div{display:grid;grid-template-columns:28px 1fr;column-gap:15px}.graph-principles .principle-number{grid-row:1/3;padding-top:4px}.graph-principles h3{margin:0 0 7px}.graph-principles p{grid-column:2}.journey-steps button{font-size:12px;gap:15px}.step-symbol{width:45px;height:45px;font-size:12px}.journey-steps::before{top:22px}.skill-controls{grid-template-columns:1fr;gap:28px;margin-top:35px;text-align:center}.skill-controls h3{font-size:18px}.skill-controls p{font-size:14px}.skill-panel h3{font-size:23px}.skill-panel>p:last-child{font-size:14px}.evidence-visual{padding:35px 17px 26px;min-height:390px}.evidence-orbit{width:255px;height:255px}.evidence-orbit>span{font-size:9px;letter-spacing:1px}.evidence-orbit>span:nth-of-type(3){left:-18px}.evidence-orbit>span:nth-of-type(2){right:-20px}.evidence-caption{gap:20px;font-size:13px}.metric-value{font-size:46px}.metric-label{font-size:11px}.metric-main .metric-label{font-size:13px}.metric-main .metric-value{font-size:76px}.start-actions{flex-direction:column;gap:22px}.setup-note>p{font-size:12px}.benchmark-scope-note{font-size:12px}.method-details,.method-details>div{font-size:13px}}
@media(max-width:640px){.hero-description{max-width:100%}.hero-description span{display:block}.hero-foot{font-size:10px;letter-spacing:.5px}.diagram-caption span{font-size:12px}.flow-labels{font-size:12px}.skill-panel .eyebrow{font-size:11px}}
@media(max-width:440px){.benchmark-tabs{display:grid;grid-template-columns:1fr 1fr;width:100%;max-width:320px;border-radius:23px;gap:2px}.benchmark-tabs button{font-size:13px;min-height:42px}.metric-label{font-size:12px}.eyebrow{font-size:12px;letter-spacing:1.6px}.hero .eyebrow{font-size:11px;letter-spacing:1.7px}.evidence-orbit>span{font-size:10px}.skill-panel .eyebrow{font-size:11px}}
.evidence-layout>*{min-width:0}
@media(max-width:760px){.evidence-layout{grid-template-columns:minmax(0,1fr)}}
@media(max-width:360px){.hero h1{font-size:36px;letter-spacing:-2.2px}.evidence-orbit{width:100%;height:auto;aspect-ratio:1}.evidence-orbit>span:nth-of-type(2){right:-10px}.evidence-orbit>span:nth-of-type(3){left:-10px}.evidence-core strong{font-size:26px}.evidence-core svg{width:38px;height:38px;margin-bottom:10px}.evidence-visual{min-height:355px}.evidence-orbit::before{inset:25px}.evidence-caption{gap:14px;font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}.signal-path{stroke-dashoffset:0}.reveal,.js .reveal{opacity:1;transform:none}}