:root{font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;font-size:15px;line-height:1.6}
[lang=zh]{display:none}
html[lang=zh-CN] [lang=en]{display:none}
html[lang=zh-CN] [lang=zh]{display:revert}
h1,h2,h3,p{margin:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer;color:inherit}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:4px}
.skip{position:fixed;top:-100px;left:20px;background:var(--panel);z-index:100;padding:10px}
.skip:focus{top:10px}
.section-wrap{max-width:1320px;padding-left:64px;padding-right:64px;margin:auto}
.site-header{max-width:1440px;margin:auto;padding:24px 52px;display:flex;align-items:center;justify-content:space-between;gap:30px;border-bottom:1px solid var(--line)}
.wordmark{display:flex;gap:10px;align-items:center;font-size:23px;letter-spacing:-.8px;font-weight:600;position:relative;white-space:nowrap}
.mark{display:grid;place-items:center;width:33px;height:33px;background:var(--accent);color:var(--on-accent);font-size:23px;font-weight:800;border-radius:9px}
.byline{position:absolute;top:36px;left:43px;letter-spacing:1.25px;font-size:7px;font-weight:500;color:var(--subtle)}
.site-header nav{display:flex;gap:28px;font-size:12px}
.site-header nav a:hover,.text-link:hover{text-decoration:underline;text-underline-offset:5px}
.header-actions{display:flex;gap:18px;align-items:center}
.language{background:transparent;border:0;font-size:12px;padding:8px}
.btn{display:inline-flex;gap:24px;align-items:center;justify-content:center;background:transparent;border:1px solid var(--border-strong);border-radius:7px;font-size:13px;font-weight:600;padding:14px 21px;white-space:nowrap}
.btn:hover{background:var(--raised)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--ink)}
.btn.primary:hover{background:var(--accent-hover)}
.btn.compact{font-size:11px;padding:9px 16px}
.btn.light{background:var(--accent-soft);border-color:var(--accent-soft);color:var(--ink)}
.btn.full{width:100%;justify-content:space-between}
.hero{padding-top:91px;padding-bottom:77px;display:grid;grid-template-columns:1.1fr 1fr;gap:77px;align-items:center}
.eyebrow{font-size:9px;letter-spacing:1.8px;font-weight:600;text-transform:uppercase;display:flex;align-items:center;gap:8px;color:var(--accent)}
.dot{display:inline-block;flex:none;width:5px;height:5px;border-radius:50%;background:currentColor}
.hero h1{font-size:clamp(54px,5.8vw,79px);line-height:1.05;letter-spacing:-4.2px;font-weight:500;margin:25px 0 24px}
.hero h1 em{font-family:Georgia,'Times New Roman',serif;font-weight:400;letter-spacing:-3.8px}
.hero-description{font-size:15px;line-height:1.85;color:var(--muted);max-width:450px}
.cta-row{display:flex;gap:25px;align-items:center;margin-top:30px;flex-wrap:wrap}
.text-link{font-size:12px;font-weight:600;display:inline-flex;gap:16px;align-items:center}
.hero-note{border-top:1px solid var(--line);margin-top:35px;padding-top:21px;display:flex;gap:13px;align-items:center;color:var(--subtle);font-size:10px}
.hero-note strong{font-weight:400}
.mini-mark{font-size:11px;border:1px solid var(--line);border-radius:50%;width:28px;height:28px;display:grid;place-items:center}
.product-preview{background:var(--panel);border:1px solid var(--line);border-radius:13px;box-shadow:0 19px 60px #00000033;overflow:hidden;transform:rotate(1deg)}
.preview-top{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:15px 19px;font-size:10px;background:var(--raised);gap:8px}
.preview-top .dot{color:var(--accent);margin-right:4px}
.preview-slash{margin:0 6px;color:var(--subtle)}
.tag{border:1px solid var(--line);border-radius:4px;padding:3px 7px;color:var(--subtle);font-size:8px;letter-spacing:.6px;white-space:nowrap}
.tag.accent{background:var(--accent-bg);border-color:var(--border-strong);color:var(--accent-soft)}
.preview-content{padding:27px}
.preview-kicker{font-size:8px;letter-spacing:1.5px;color:var(--subtle);display:flex;justify-content:space-between}
.preview-content h2{font-size:24px;letter-spacing:-.9px;font-weight:500;margin:12px 0 4px}
.preview-sub{font-size:10px;color:var(--subtle)}
.preview-amount{display:flex;justify-content:space-between;gap:20px;align-items:center;font-size:33px;letter-spacing:-1px;padding:22px 0 21px;border-bottom:1px solid var(--line)}
.decimal{color:var(--subtle);font-size:24px}
.approval-badge{padding:5px 8px;display:inline-flex;gap:5px;align-items:center;font-size:8px;font-weight:600;letter-spacing:0;border-radius:4px;background:var(--accent-bg);color:var(--accent-soft)}
.preview-step{display:flex;align-items:center;gap:11px;padding:14px 0;border-bottom:1px solid var(--line)}
.step-icon{width:25px;height:25px;border-radius:50%;background:var(--accent-bg);color:var(--accent);font-size:11px;display:grid;place-items:center;flex:none}
.preview-step strong{font-size:11px;font-weight:500}
.preview-step p{font-size:9px;color:var(--subtle)}
.step-time{font-size:8px;color:var(--subtle);margin-left:auto}
.preview-step.current .step-icon{background:var(--accent);color:var(--on-accent)}
.preview-button{display:flex;align-items:center;justify-content:space-between;border:1px solid var(--line);border-radius:6px;padding:11px 15px;margin-top:21px;background:var(--accent-bg);font-size:10px;font-weight:600}
.preview-button:hover{background:var(--raised)}
.preview-bottom{border-top:1px solid var(--line);padding:13px 19px;display:flex;gap:7px;align-items:center;font-size:8px;color:var(--subtle)}
.tiny-square{width:5px;height:5px;border:1px solid var(--accent)}
.thesis-band{padding-top:31px;padding-bottom:31px;display:grid;grid-template-columns:1fr 1.1fr 44px;gap:50px;align-items:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.thesis-band>p{font-size:21px;line-height:1.4;letter-spacing:-.6px}
.thesis-band strong{font-weight:500;color:var(--accent)}
.thesis-band>div{font-size:12px;line-height:1.8;color:var(--muted);max-width:420px}
.round-link{width:43px;height:43px;border:1px solid var(--border-strong);border-radius:50%;display:grid;place-items:center;font-size:20px}
.spacious{padding-top:88px;padding-bottom:83px}
.section-heading{display:grid;grid-template-columns:1.1fr 1fr;gap:70px;align-items:end;margin-bottom:36px}
.section-heading h2,.accountability h2,.pilot-layout h2,.faq-section h2{font-size:39px;font-weight:500;line-height:1.2;letter-spacing:-1.8px;margin-top:18px}
.section-heading>p{font-size:13px;color:var(--muted);line-height:1.85;max-width:420px}
.role-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.role-card{border:1px solid var(--line);border-radius:10px;padding:24px;background:var(--panel);display:flex;flex-direction:column}
.role-card.active{background:var(--accent-bg);border-color:var(--border-strong)}
.role-top{display:flex;justify-content:space-between;align-items:center;gap:8px}
.role-code{font-family:monospace;font-size:9px;color:var(--subtle)}
.role-card h3{font-size:20px;font-weight:500;letter-spacing:-.6px;margin-top:29px;margin-bottom:12px}
.role-card p{font-size:12px;line-height:1.85;color:var(--muted);flex:1}
.role-foot{border-top:1px solid var(--line);padding-top:18px;margin-top:25px;display:flex;align-items:center;justify-content:space-between;font-size:8px;letter-spacing:1px;color:var(--accent)}
.role-foot a{background:var(--accent);color:var(--on-accent);border-radius:50%;display:grid;place-items:center;width:26px;height:26px;font-size:15px}
.library-tail{display:flex;justify-content:space-between;gap:20px;font-size:10px;color:var(--subtle);margin-top:22px}
.library-tail a{text-decoration:underline;text-underline-offset:4px}
.accountability{background:var(--nav);color:var(--ink)}
.accountability-layout{display:grid;grid-template-columns:1fr 1fr;gap:95px;padding-top:80px;padding-bottom:80px}
.accountability .eyebrow{color:var(--accent-soft)}
.accountability h2{font-size:45px}
.account-intro{max-width:385px;color:var(--muted);font-size:13px;line-height:1.9;margin:23px 0 26px}
.roadmap-note{font-size:9px;line-height:1.8;color:var(--subtle);max-width:360px;margin-top:20px}
.control-list article{display:flex;gap:22px;padding:24px 0;border-bottom:1px solid var(--line)}
.control-list article:first-child{padding-top:3px}
.control-list article:last-child{border:0;padding-bottom:0}
.control-list article>span{color:var(--accent-soft);font-size:10px;padding-top:3px}
.control-list h3{font-weight:500;font-size:16px;margin-bottom:7px}
.control-list p{font-size:11px;color:var(--muted);line-height:1.9}
.ecosystem-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;margin-top:47px}
.ecosystem-grid article{border-top:1px solid var(--border-strong);padding-top:19px}
.reference{font-size:8px;letter-spacing:1.5px;color:var(--accent)}
.ecosystem-grid h3{font-size:25px;letter-spacing:-.7px;font-weight:500;margin:17px 0 7px}
.ecosystem-grid p{font-size:11px;color:var(--muted)}
.integration-link{margin-top:32px}
.pilot-section{background:var(--raised);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.pilot-layout{display:grid;grid-template-columns:1fr 1fr;gap:104px;padding-top:72px;padding-bottom:72px;align-items:center}
.pilot-layout h2{font-size:46px}
.pilot-layout>div>p:not(.eyebrow){font-size:13px;color:var(--muted);line-height:1.85;max-width:350px;margin:22px 0}
.pilot-card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:30px}
.pilot-card-top{display:flex;justify-content:space-between;align-items:center;font-size:10px;color:var(--subtle)}
.pilot-price{font-size:42px;letter-spacing:-2px;line-height:1.2;margin:25px 0 9px}
.pilot-price-note{font-size:11px;color:var(--muted)}
.pilot-card ul{padding:20px 0;margin:0;list-style:none;font-size:11px;line-height:2.3;color:var(--muted)}
.pilot-card li:before{content:'✓';padding-right:10px;color:var(--accent)}
.pilot-disclaimer{font-size:9px;line-height:1.7;margin-top:13px;color:var(--muted)}
.faq-section{padding-top:73px;padding-bottom:78px;display:grid;grid-template-columns:.7fr 1fr;gap:80px}
.faq-section h2{font-size:34px}
.faq-list details{border-bottom:1px solid var(--line);padding:20px 0;font-size:13px}
.faq-list details:first-child{padding-top:4px}
.faq-list summary{cursor:pointer;font-weight:500}
.faq-list p{font-size:12px;line-height:1.8;color:var(--muted);padding-top:14px}
.site-footer{border-top:1px solid var(--line);padding-top:34px;padding-bottom:35px;display:flex;justify-content:space-between;align-items:center;gap:30px}
.site-footer .wordmark{font-size:21px}
.site-footer .mark{width:27px;height:27px;font-size:18px;border-radius:7px}
.site-footer p{font-size:10px;color:var(--muted);margin-top:10px}
.site-footer>div:nth-child(2){display:flex;gap:23px;font-size:10px}
.site-footer small{font-size:9px;color:var(--muted);text-align:right}
.footer-button{background:none;border:0;font-size:10px;padding:0}
.site-footer a:hover,.footer-button:hover{text-decoration:underline}
dialog{width:min(570px,92vw);border:1px solid var(--line);border-radius:14px;padding:30px;background:var(--panel);color:var(--ink)}
dialog::backdrop{background:#080711bb}
dialog h2{font-size:25px;font-weight:500;letter-spacing:-.8px;margin-bottom:13px}
dialog p{font-size:12px;color:var(--muted);line-height:1.8}
dialog form{display:grid;gap:17px;margin-top:21px}
dialog label{font-size:11px;color:var(--muted)}
dialog input,dialog select,dialog textarea{display:block;width:100%;margin-top:6px;background:var(--panel);border:1px solid var(--border-strong);border-radius:6px;padding:10px;color:var(--ink);font-size:13px}
dialog textarea{resize:vertical;min-height:80px}
dialog .dialog-actions{display:flex;gap:10px;margin-top:17px;flex-wrap:wrap}
dialog .note{font-size:10px}
#home-status:empty{display:none}
#home-status{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);padding:12px 20px;background:var(--accent);color:var(--ink);border-radius:8px;z-index:30;font-size:12px;max-width:90vw}
html[lang=zh-CN] h1{letter-spacing:-2px;font-size:65px}
html[lang=zh-CN] h1 em{font-family:inherit;font-style:normal}
html[lang=zh-CN] .section-heading h2,html[lang=zh-CN] .accountability h2,html[lang=zh-CN] .pilot-layout h2{font-size:37px;line-height:1.4;letter-spacing:-1.2px}
@media(max-width:1120px){.site-header{padding-left:30px;padding-right:30px;gap:22px}
.site-header nav{gap:20px;font-size:11px}
.section-wrap{padding-left:38px;padding-right:38px}
.hero{gap:45px}
.hero h1{font-size:65px}
.cta-row{gap:16px}
.cta-row .btn{padding:12px 16px}
.text-link{font-size:11px}
.section-heading{gap:45px}
.accountability-layout,.pilot-layout{gap:55px}
.role-card{padding:20px}
.role-top{flex-wrap:wrap}
.role-card h3{font-size:18px}
.site-footer{gap:20px}
.site-footer>div:nth-child(2){gap:14px}
}
@media(max-width:850px){.site-header nav{display:none}
.hero{grid-template-columns:1fr 1fr;gap:30px;padding-top:65px;padding-bottom:55px}
.hero h1{font-size:52px;letter-spacing:-2.8px}
.hero h1 em{letter-spacing:-2.6px}
.hero-description{font-size:13px}
.hero .eyebrow{font-size:8px;letter-spacing:1px}
.hero-note{margin-top:26px}
.preview-content{padding:20px}
.preview-content h2{font-size:20px}
.preview-top{padding:13px;font-size:9px}
.thesis-band{gap:28px}
.thesis-band>p{font-size:20px}
.section-heading h2,.accountability h2,.pilot-layout h2{font-size:32px}
.section-heading>p{font-size:12px}
.role-card h3{font-size:17px}
.role-card p{font-size:11px}
.role-foot{font-size:7px;letter-spacing:.7px}
.role-grid{gap:12px}
.role-card{padding:17px}
.accountability-layout{gap:35px}
.pilot-layout{gap:35px}
.pilot-card{padding:24px}
.pilot-price{font-size:36px}
.faq-section{gap:35px}
.site-footer{align-items:flex-start}
.site-footer>div:nth-child(2){flex-direction:column;gap:8px}
.site-footer small{font-size:8px}
html[lang=zh-CN] h1{font-size:45px}
html[lang=zh-CN] .section-heading h2,html[lang=zh-CN] .accountability h2,html[lang=zh-CN] .pilot-layout h2{font-size:29px}
}
@media(max-width:650px){html{scroll-padding-top:20px}
.section-wrap{padding-left:23px;padding-right:23px}
.site-header{padding:22px 21px;gap:12px}
.wordmark{font-size:20px;gap:8px}
.mark{width:29px;height:29px;font-size:20px}
.byline{left:37px;top:30px;font-size:6px}
.header-actions{gap:8px}
.btn.compact{font-size:10px;padding:8px 10px}
.language{padding:6px;font-size:11px}
.hero{grid-template-columns:1fr;padding-top:56px;gap:42px}
.hero h1{font-size:66px;letter-spacing:-3.8px;margin-top:22px}
.hero h1 em{letter-spacing:-3.8px}
.hero-description{font-size:14px;max-width:500px}
.hero .eyebrow{font-size:8px;letter-spacing:1.5px}
.cta-row{gap:23px}
.product-preview{transform:none;max-width:480px;width:100%;margin:auto}
.preview-content{padding:27px}
.preview-top{font-size:10px;padding:15px 19px}
.preview-content h2{font-size:25px}
.preview-bottom{font-size:9px}
.hero-note{font-size:10px}
.thesis-band{grid-template-columns:1fr 43px;gap:18px;padding-top:28px;padding-bottom:28px}
.thesis-band>div{grid-column:1;font-size:11px;grid-row:2}
.thesis-band>a{grid-column:2;grid-row:1/3}
.thesis-band>p{font-size:23px}
.spacious{padding-top:59px;padding-bottom:55px}
.section-heading{grid-template-columns:1fr;gap:20px;margin-bottom:28px}
.section-heading h2{font-size:34px}
.section-heading>p{max-width:unset;font-size:12px}
.role-grid{grid-template-columns:1fr;gap:15px}
.role-card{padding:24px}
.role-top{flex-wrap:nowrap}
.role-card h3{font-size:23px;margin-top:23px}
.role-card p{font-size:12px;max-width:390px}
.role-foot{font-size:8px}
.library-tail{flex-direction:column;font-size:10px;gap:12px}
.accountability-layout{grid-template-columns:1fr;gap:38px;padding-top:55px;padding-bottom:52px}
.accountability h2{font-size:38px}
.account-intro{max-width:none;font-size:13px}
.roadmap-note{font-size:10px}
.control-list article{padding:21px 0}
.control-list h3{font-size:16px}
.control-list p{font-size:12px}
.ecosystem-grid{grid-template-columns:1fr;gap:26px;margin-top:33px}
.ecosystem-grid article{padding-top:16px}
.ecosystem-grid h3{font-size:25px;margin-top:11px}
.reference{font-size:8px}
.ecosystem-grid p{font-size:12px}
.pilot-layout{grid-template-columns:1fr;padding-top:53px;padding-bottom:50px;gap:31px}
.pilot-layout h2{font-size:38px}
.pilot-layout>div>p:not(.eyebrow){max-width:none}
.pilot-card{padding:26px}
.pilot-price{font-size:45px}
.pilot-card ul{font-size:12px}
.pilot-price-note{font-size:12px}
.pilot-disclaimer{font-size:10px}
.faq-section{grid-template-columns:1fr;gap:29px;padding-top:52px;padding-bottom:52px}
.faq-list details{font-size:14px}
.site-footer{flex-wrap:wrap;padding-top:29px;padding-bottom:29px;gap:27px}
.site-footer small{flex-basis:100%;text-align:left;font-size:9px}
.site-footer>div:nth-child(2){margin-left:auto}
.site-footer p{max-width:190px}
html[lang=zh-CN] h1{font-size:55px}
html[lang=zh-CN] .section-heading h2,html[lang=zh-CN] .accountability h2,html[lang=zh-CN] .pilot-layout h2{font-size:33px}
.preview-step p{font-size:10px}
.preview-step strong{font-size:12px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
}