@font-face{font-family:Manrope;src:url('/fonts/manrope-latin.woff2') format('woff2');font-weight:400 800;font-style:normal;font-display:swap}
@font-face{font-family:'DM Mono';src:url('/fonts/dm-mono-400-latin.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
:root{--ink:#131a15;--forest:#111713;--forest-2:#1b251d;--paper:#f2f2eb;--white:#fafaf5;--lime:#e6f586;--muted:#657266;--line:#cbd2c7;--mono:'DM Mono',Consolas,monospace;--sans:Manrope,'Microsoft YaHei',sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased}button,input{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}::selection{background:var(--lime);color:var(--forest)}:focus-visible{outline:2px solid #8ca752;outline-offset:3px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip-link{position:absolute;top:-60px;left:15px;z-index:100;background:var(--lime);padding:12px}.skip-link:focus{top:15px}.container{width:min(100% - 72px,1380px);margin:auto}
.site-header{height:86px;padding:0 36px;display:flex;align-items:center;justify-content:space-between;background:var(--forest);border-bottom:1px solid #38453a;color:var(--white)}.brand{display:inline-flex;align-items:center;gap:13px;font-size:17px;font-weight:800;letter-spacing:-.055em;white-space:nowrap}.brand-separator{color:var(--lime);margin:0 2px}.brand-mark{width:27px;height:27px;position:relative;border:1px solid currentColor;border-radius:50%}.brand-mark i{position:absolute;display:block;width:4px;height:4px;border-radius:50%;background:var(--lime);left:50%;top:50%}.brand-mark i:nth-child(1){transform:translate(-50%,-50%)}.brand-mark i:nth-child(2){transform:translate(2px,-10px)}.brand-mark i:nth-child(3){transform:translate(-9px,5px)}.header-note{font:10px var(--mono);letter-spacing:.13em;color:#a6b5a6}.header-note span{color:var(--lime)}.header-back{font-size:12px;font-weight:700;border:1px solid #738076;border-radius:99px;padding:10px 10px 10px 17px;display:flex;gap:20px;align-items:center;transition:background .25s,color .25s}.header-back span{height:26px;width:26px;border-radius:50%;display:grid;place-items:center;background:#ffffff1c;font-size:17px}.header-back:hover{background:var(--lime);color:var(--forest)}
.hero{min-height:680px;background:var(--forest);color:var(--white);position:relative;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 44% 65% at 73% 42%,#273c2d 0%,#17231a 47%,transparent 100%);pointer-events:none}.hero-glow{position:absolute;width:600px;height:600px;border-radius:50%;left:-260px;bottom:-400px;background:#a5cb5a;filter:blur(150px);opacity:.08}.hero-grid{min-height:630px;display:grid;grid-template-columns:1.12fr .88fr;align-items:center;position:relative;z-index:1;gap:40px}.hero-copy{padding:75px 0 90px}.kicker{display:flex;align-items:center;gap:14px;font:10px var(--mono);letter-spacing:.15em;color:#bbc9b8;margin:0 0 42px}.kicker-line{height:1px;width:30px;background:var(--lime)}.hero h1{font-size:clamp(62px,7.2vw,120px);line-height:1.04;letter-spacing:-.085em;font-weight:600;margin:0;white-space:nowrap}.hero h1 em,.section-heading h2 em,.thesis-layout h2 em{font-style:normal;color:var(--lime)}.hero-description{font-size:clamp(16px,1.4vw,19px);line-height:1.68;letter-spacing:-.025em;color:#c9d2c7;max-width:560px;margin:40px 0 33px}.hero-action{width:max-content;display:flex;align-items:center;gap:26px;border-bottom:1px solid #a5b69e;padding-bottom:12px;font-size:14px;font-weight:750;transition:color .25s,gap .25s}.hero-action span{color:var(--lime);font-size:20px}.hero-action:hover{color:var(--lime);gap:35px}.hero-art{height:480px;position:relative}.hero-art svg{width:100%;height:100%;overflow:visible}.hero-art text{font:10px var(--mono);fill:#9cab9d;letter-spacing:2px}.hero-curve{stroke-dasharray:600;stroke-dashoffset:600;animation:trace-in 2.3s cubic-bezier(.18,.7,.15,1) forwards}.art-label{position:absolute;left:0;bottom:12px;font:9px var(--mono);letter-spacing:.15em;color:#a6b4a4}.art-label-two{left:auto;right:0;bottom:auto;top:36px}.hero-foot{position:relative;z-index:1;border-top:1px solid #465248;padding:20px 0;display:flex;justify-content:space-between;color:#97a597;font:10px var(--mono);letter-spacing:.11em}.hero-foot span:last-child{color:var(--lime)}@keyframes trace-in{to{stroke-dashoffset:0}}
.intro-strip{background:#e1e8da}.intro-grid{display:grid;grid-template-columns:180px 1fr 230px;align-items:center;gap:40px;padding:28px 0}.intro-grid>span{font:10px var(--mono);letter-spacing:.1em;color:#405747}.intro-grid>span:last-child{text-align:right}.intro-grid p{font-size:14px;line-height:1.55;margin:0;max-width:690px;color:#2c3a2f}
.workbench{padding:110px 0 116px}.section-meta{border-top:1px solid #9eaba0;padding-top:16px;display:flex;justify-content:space-between;color:#607060;font:10px var(--mono);letter-spacing:.12em}.section-heading{display:grid;grid-template-columns:1.08fr .92fr;gap:90px;align-items:end;margin:70px 0 68px}.section-heading h2,.thesis-layout h2{font-size:clamp(56px,6.4vw,100px);line-height:1.06;letter-spacing:-.082em;font-weight:600;margin:0}.section-heading h2 em{color:#7e9250}.section-heading p{max-width:505px;font-size:17px;line-height:1.7;letter-spacing:-.02em;color:#59675b;margin:0 0 8px}
.lab-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:14px;align-items:stretch}.input-panel,.result-panel{min-width:0;background:#fffefa;border:1px solid #d4dcd1;box-shadow:0 18px 50px #1927170b;padding:32px}.panel-heading{display:flex;align-items:start;justify-content:space-between;gap:12px}.panel-index,.next-index{font:10px var(--mono);letter-spacing:.12em;color:#627a5b}.panel-heading h3{font-size:25px;letter-spacing:-.055em;margin:12px 0 0;font-weight:700}.panel-icon{font-size:24px;color:#65804d}.panel-intro{font-size:13px;line-height:1.62;color:#607062;max-width:440px;margin:20px 0 28px}.data-actions{display:flex;flex-wrap:wrap;gap:8px}.quiet-button{min-height:36px;padding:9px 12px;background:#f2f5ec;border:1px solid #d7dfd2;font:11px var(--mono);color:#3d5140;display:inline-flex;align-items:center;white-space:nowrap;transition:background .2s,border .2s}.quiet-button:hover{background:#e1edcb;border-color:#a5b890}.file-button{cursor:pointer}.file-button input{display:none}.data-origin{font:10px var(--mono);color:#7b8b79;min-height:14px;letter-spacing:.025em;margin:18px 0 11px}.table-scroll{overflow-x:auto;border-top:1px solid #c8d2c6;border-bottom:1px solid #c8d2c6}.data-table{border-collapse:collapse;width:100%;min-width:445px}.data-table th{text-align:left;font:9px var(--mono);color:#6b7c6b;letter-spacing:.07em;padding:12px 5px 11px}.data-table th:first-child,.data-table td:first-child{width:45px}.data-table th:last-child,.data-table td:last-child{width:26px}.data-table th small{font-size:8px;color:#9eaa9e}.data-table td{border-top:1px solid #ebefe7;padding:4px}.data-table td:first-child{font:10px var(--mono);color:#879986;padding-left:5px}.data-table input{width:100%;max-width:125px;border:1px solid transparent;border-radius:0;padding:10px 7px;background:transparent;font:13px var(--mono);color:#253328}.data-table input:hover{border-color:#d1ddc9}.data-table input:focus{background:#f1f7e7;border-color:#a6bd84;outline:0}.row-remove{border:0;background:transparent;color:#8d9b8d;font-size:21px;line-height:1;padding:5px}.row-remove:hover{color:#ad4c37}.input-footer{display:flex;align-items:center;justify-content:space-between;margin-top:18px}.add-button{padding:0;background:none;border:0;color:#486543;font-size:12px;font-weight:800}.add-button:hover{text-decoration:underline}.input-footer span{font:10px var(--mono);color:#829081}.fit-button{width:100%;margin-top:31px;background:var(--forest);color:var(--white);border:0;min-height:61px;border-radius:40px;padding:9px 10px 9px 23px;display:flex;justify-content:space-between;align-items:center;font-size:13px;font-weight:750;transition:background .25s,transform .25s}.fit-button:hover{background:#334633;transform:translateY(-2px)}.fit-arrow{background:var(--lime);color:var(--forest);border-radius:50%;width:41px;height:41px;display:grid;place-items:center;font-size:19px}.input-status{font-size:12px;color:#a44939;line-height:1.55;min-height:18px;margin:12px 0 0}.input-status.is-ok{color:#4b6d42}
.result-panel{background:#17211a;color:var(--white);border-color:#17211a}.result-panel .panel-index{color:#a9c39a}.result-panel .panel-heading h3{color:var(--white)}.fit-tag{font:9px var(--mono);letter-spacing:.08em;color:var(--lime);border:1px solid #719169;padding:8px 10px;white-space:nowrap}.chart-heading{display:flex;justify-content:space-between;gap:12px;margin-top:42px;align-items:baseline}.chart-heading strong{font-size:13px;font-weight:650}.chart-heading span{font:9px var(--mono);color:#a0b5a2;letter-spacing:.1em}.chart-shell{margin-top:15px;border:1px solid #405043;background:repeating-linear-gradient(0deg,transparent 0,transparent 39px,#ffffff08 40px),linear-gradient(120deg,#233025,#1b281e);padding:6px 12px 13px}.chart-shell svg{width:100%;height:auto;display:block;aspect-ratio:620/260}.chart-shell svg text{font:10px var(--mono);fill:#94a994}.chart-legend{display:flex;gap:22px;justify-content:flex-end;color:#aebcad;font:10px var(--mono)}.chart-legend span{display:flex;align-items:center;gap:7px}.chart-legend i{width:14px;height:2px;display:block;background:var(--lime)}.chart-legend .legend-fitted{background:#8fae99}.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #455747;border-bottom:1px solid #455747;margin-top:31px}.metric-grid>div{padding:21px 15px 23px 0;display:flex;flex-direction:column;border-right:1px solid #455747}.metric-grid>div+div{padding-left:17px}.metric-grid>div:last-child{border:0}.metric-grid span{font:9px var(--mono);letter-spacing:.07em;color:#a1b2a0}.metric-grid strong{font-size:clamp(29px,3.4vw,48px);font-weight:600;letter-spacing:-.065em;margin-top:13px;font-variant-numeric:tabular-nums}.metric-grid small{font:10px var(--mono);color:#a1b2a0;margin-top:5px}.model-explanation{font-size:12px;line-height:1.7;color:#c0cebf;margin:24px 0 0;min-height:41px}
.next-panel{margin-top:14px;background:#dce9ca;border:1px solid #b6cca7;padding:33px;display:grid;grid-template-columns:170px 1fr 50px;gap:20px;align-items:start}.next-panel h3{font-size:24px;letter-spacing:-.055em;line-height:1.25;margin:0 0 11px}.next-panel p{font-size:14px;line-height:1.6;color:#3e5543;margin:0;max-width:780px}.next-mark{font-size:35px;line-height:1;text-align:right;color:#597347}.lab-bottom{display:flex;justify-content:space-between;align-items:flex-start;gap:40px;margin-top:28px}.lab-bottom p{font-size:12px;line-height:1.65;color:#627162;max-width:700px;margin:0}.lab-bottom strong{color:#263828}.export-button{background:none;border:0;border-bottom:1px solid #7e977a;padding:2px 0 8px;font-size:12px;font-weight:700;color:#3f5b3f;white-space:nowrap}.export-button:hover:not(:disabled){color:#1a3a1b}.export-button:disabled{opacity:.4;cursor:not-allowed}
.thesis-section{background:#223025;color:var(--white);padding:112px 0 125px}.thesis-section .section-meta{color:#b2c4b0;border-color:#68806b}.thesis-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:90px;align-items:end;margin-top:75px}.thesis-layout h2 em{color:var(--lime)}.thesis-layout p{font-size:19px;line-height:1.7;color:#c7d1c3;letter-spacing:-.03em;margin:0 0 33px}.thesis-layout a{font-size:13px;font-weight:800;display:flex;justify-content:space-between;border-bottom:1px solid #879884;padding-bottom:12px;max-width:310px}.thesis-layout a span{color:var(--lime);font-size:21px}.thesis-layout a:hover{color:var(--lime)}.footer{background:#101712;color:#9aa99b;padding:30px 0}.footer .container{display:flex;justify-content:space-between;align-items:center;font:10px var(--mono);letter-spacing:.1em}.footer span:first-child{color:var(--white);font-size:13px;font-weight:700;letter-spacing:-.03em}.footer a:hover{color:var(--lime)}
@media(max-width:1100px){.hero-grid{grid-template-columns:1fr .75fr}.hero h1{font-size:clamp(60px,7vw,94px)}.lab-grid{grid-template-columns:minmax(0,1fr)}.section-heading{gap:45px}.result-panel{min-height:620px}}
@media(max-width:760px){.container{width:min(100% - 36px,1380px)}.site-header{height:70px;padding:0 18px}.header-note{display:none}.brand{font-size:15px}.header-back{font-size:11px;padding:7px 8px 7px 11px;gap:7px}.header-back span{width:23px;height:23px}.hero{min-height:auto}.hero-grid{display:block;min-height:0}.hero-copy{padding:89px 0 55px}.hero h1{font-size:clamp(49px,11.3vw,75px);white-space:normal}.hero-description{font-size:16px;margin:29px 0}.hero-art{height:250px;max-width:400px;margin:-15px auto 15px}.art-label{display:none}.hero-foot{font-size:9px}.intro-grid{display:block;padding:24px 0}.intro-grid p{margin:12px 0;font-size:13px}.intro-grid>span:last-child{display:none}.workbench{padding:72px 0 84px}.section-heading{display:block;margin:55px 0 42px}.section-heading h2,.thesis-layout h2{font-size:clamp(50px,10.7vw,72px)}.section-heading p{margin:25px 0 0;font-size:15px}.input-panel,.result-panel{padding:22px}.panel-heading h3{font-size:22px}.chart-heading{margin-top:32px}.metric-grid strong{font-size:clamp(25px,7vw,43px)}.metric-grid>div{padding-right:7px}.metric-grid>div+div{padding-left:10px}.metric-grid span{font-size:8px}.metric-grid small{font-size:9px}.next-panel{grid-template-columns:1fr 25px;padding:24px;gap:12px}.next-index{grid-column:1/-1}.next-panel h3{font-size:21px}.next-mark{grid-column:2;grid-row:2}.lab-bottom{display:block}.export-button{margin-top:23px}.thesis-section{padding:75px 0 90px}.thesis-layout{display:block;margin-top:55px}.thesis-layout p{font-size:16px;margin-top:29px}.footer .container{flex-wrap:wrap;gap:18px}}
@media(max-width:420px){.hero h1{font-size:12vw}.hero-foot span:last-child{display:none}.fit-tag{font-size:8px;padding:6px}.data-actions{gap:6px}.quiet-button{font-size:10px;padding:8px 9px}.data-table{min-width:410px}.chart-heading span{display:none}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}

/* Model Studio: reusable-domain controls and product walkthrough. */
.header-links{display:flex;align-items:center;gap:22px}.header-guide{font-size:12px;font-weight:700;border-bottom:1px solid #748978;padding-bottom:6px}.header-guide:hover{color:var(--lime)}
.domain-switch{display:grid;grid-template-columns:1fr 1fr 1.2fr;margin:0 0 14px;border:1px solid #c1ccb9;background:#e6ecde}.domain-button{border:0;border-right:1px solid #c1ccb9;background:transparent;text-align:left;padding:19px 22px 20px;display:flex;flex-direction:column;align-items:flex-start;min-height:112px;transition:background .2s,color .2s}.domain-button span,.domain-explainer span{font:9px var(--mono);letter-spacing:.11em;color:#5c745b}.domain-button strong{font-size:18px;letter-spacing:-.04em;margin-top:11px}.domain-button small{font:10px var(--mono);margin-top:5px;color:#677968}.domain-button:hover{background:#d9e8c2}.domain-button.is-active{background:#263729;color:#f7f8f2}.domain-button.is-active span,.domain-button.is-active small{color:#d0e7b5}.domain-explainer{padding:20px 24px}.domain-explainer p{font-size:12px;line-height:1.5;color:#536b54;margin:10px 0 0;max-width:320px}
.chart-shell{background:linear-gradient(120deg,#233025,#1b281e)}
.scale-section{background:#e2e9dc;padding:100px 0 108px}.scale-heading{display:grid;grid-template-columns:1.13fr .87fr;align-items:end;gap:75px;margin:70px 0 63px}.scale-heading h2,.walkthrough-grid h2{font-size:clamp(55px,6vw,95px);line-height:1.07;letter-spacing:-.08em;font-weight:600;margin:0}.scale-heading h2 em{font-style:normal;color:#6a8751}.scale-heading>p{font-size:17px;line-height:1.67;color:#526653;max-width:475px;margin:0}.scale-steps{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid #9db29c;border-bottom:1px solid #9db29c}.scale-steps article{padding:27px 32px 37px 0;min-height:220px}.scale-steps article+article{border-left:1px solid #b7c8b5;padding-left:32px}.scale-steps span{font:10px var(--mono);letter-spacing:.1em;color:#668361}.scale-steps h3{font-size:24px;letter-spacing:-.055em;margin:33px 0 12px}.scale-steps p{font-size:14px;line-height:1.6;color:#526553;margin:0}.scale-fineprint{font:11px var(--mono);line-height:1.65;color:#526553;margin:25px 0 0}
.walkthrough-section{background:#f5f5ee;padding:100px 0 110px}.walkthrough-grid{display:grid;grid-template-columns:.75fr 1.25fr;align-items:center;gap:70px;margin-top:70px}.walkthrough-grid h2{font-size:clamp(48px,5vw,74px)}.walkthrough-grid h2 em{font-style:normal;color:#829b56}.walkthrough-grid p{font-size:17px;line-height:1.65;color:#617162;max-width:440px;margin:30px 0 35px}.walkthrough-grid a{display:flex;justify-content:space-between;border-bottom:1px solid #789478;padding-bottom:12px;max-width:300px;font-size:13px;font-weight:800}.walkthrough-grid a:hover{color:#618139}.walkthrough-grid video{display:block;width:100%;aspect-ratio:16/10;object-fit:cover;background:#17211a;box-shadow:0 30px 80px #1c2d1c24}
@media(max-width:1100px){.domain-switch{grid-template-columns:1fr 1fr}.domain-explainer{grid-column:1/-1;border-top:1px solid #c1ccb9}.scale-heading,.walkthrough-grid{gap:40px}}
@media(max-width:760px){.header-links{gap:11px}.header-guide{font-size:10px}.domain-button{padding:14px;min-height:105px}.domain-button strong{font-size:15px}.domain-button small{font-size:9px}.domain-explainer{padding:15px}.scale-section,.walkthrough-section{padding:75px 0 85px}.scale-heading{display:block;margin:55px 0 35px}.scale-heading h2{font-size:clamp(50px,10.7vw,72px)}.scale-heading>p{font-size:15px;margin-top:25px}.scale-steps{display:block}.scale-steps article,.scale-steps article+article{min-height:0;padding:26px 0;border-left:0;border-top:1px solid #b7c8b5}.scale-steps article:first-child{border-top:0}.scale-steps h3{margin-top:18px}.walkthrough-grid{display:block;margin-top:50px}.walkthrough-grid h2{font-size:clamp(45px,9vw,68px)}.walkthrough-grid p{font-size:15px}.walkthrough-grid video{margin-top:35px}.lab-grid{grid-template-columns:minmax(0,1fr)}}
@media(max-width:420px){.header-back{font-size:0}.header-back span{font-size:16px}.header-guide{font-size:10px}}
@media(max-width:760px){html,body{max-width:100%;overflow-x:hidden}.input-panel,.result-panel{overflow:hidden}.table-scroll{max-width:100%;overflow-x:auto}}
@media(max-width:760px){.data-table{min-width:0;width:100%;table-layout:fixed}.data-table th{font-size:8px;line-height:1.3}.data-table th:first-child,.data-table td:first-child{width:26px}.data-table th:last-child,.data-table td:last-child{width:20px}.data-table input{min-width:0;width:100%;padding:8px 3px;font-size:11px}.row-remove{font-size:17px;padding:2px}}
.lang-switch{font-size:12px;font-weight:750;border-bottom:1px solid #748978;padding-bottom:6px}.lang-switch:hover{color:var(--lime)}
@media(max-width:420px){.header-guide{display:none}.lang-switch{font-size:12px}}