:root{color-scheme:light dark;--bg:#f4f5f6;--bg-soft:#eaedef;--surface:#ffffffb8;--surface-solid:#fbfbfc;--text:#1e2326;--text-soft:#626a70;--line:#1d24281f;--line-strong:#1d242833;--accent:#1f716d;--accent-hover:#185d59;--accent-soft:#d6e7e5;--warning:#9a6328;--shadow:0 32px 90px #2b373c24;--radius:18px;--page:min(1180px, calc(100vw - 48px));--ease-out:cubic-bezier(.23, 1, .32, 1);--ease-in-out:cubic-bezier(.77, 0, .175, 1)}@media (prefers-color-scheme:dark){:root{--bg:#141719;--bg-soft:#1c2023;--surface:#22272abd;--surface-solid:#202528;--text:#edf1f2;--text-soft:#aab2b6;--line:#e9f0f21f;--line-strong:#e9f0f238;--accent:#75bcb6;--accent-hover:#90cec9;--accent-soft:#213d3b;--warning:#d6a36b;--shadow:0 36px 100px #00000061}}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--bg)}body{background:radial-gradient(circle at 82% 5%, color-mix(in srgb, var(--accent) 8%, transparent), transparent 30rem), var(--bg);min-width:320px;color:var(--text);text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;margin:0;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,SF Pro Display,PingFang SC,Microsoft YaHei,system-ui,sans-serif;font-size:16px;line-height:1.65}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,a,summary{-webkit-tap-highlight-color:transparent;touch-action:manipulation}:focus-visible{outline:3px solid color-mix(in srgb, var(--accent) 62%, transparent);outline-offset:4px;border-radius:8px}.skip-link{z-index:100;background:var(--text);color:var(--bg);border-radius:10px;padding:10px 16px;position:fixed;top:12px;left:12px;transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}.visually-hidden{clip:rect(0, 0, 0, 0)!important;white-space:nowrap!important;border:0!important;width:1px!important;height:1px!important;margin:-1px!important;padding:0!important;position:absolute!important;overflow:hidden!important}:where(section[id],h1[id],h2[id],h3[id]){scroll-margin-top:96px}.site-header{z-index:20;pointer-events:none;padding:12px 0;position:sticky;top:0}.nav-shell{width:var(--page);border:1px solid var(--line);background:var(--surface);-webkit-backdrop-filter:blur(22px)saturate(150%);pointer-events:auto;border-radius:16px;align-items:center;gap:24px;min-height:58px;margin:0 auto;padding:8px 10px 8px 12px;display:flex;box-shadow:inset 0 1px #ffffff57,0 12px 34px #27323717}.brand{letter-spacing:-.015em;white-space:nowrap;align-items:center;gap:9px;font-weight:650;display:inline-flex}.brand img{border-radius:9px}.nav-links{color:var(--text-soft);align-items:center;gap:22px;margin-left:auto;font-size:14px;display:flex}.nav-links a,.footer-links a,.text-link{transition:color .16s var(--ease-out), opacity .16s var(--ease-out)}.github-link{color:var(--text);align-items:center;gap:7px;font-weight:650;display:inline-flex}.github-link:before{content:"";background:currentColor;flex:0 0 16px;width:16px;height:16px;mask:url(/assets/github-mark.svg) 50%/contain no-repeat}.nav-download{background:var(--text);color:var(--bg);white-space:nowrap;transition:transform .14s var(--ease-out), opacity .16s var(--ease-out);border-radius:10px;padding:8px 14px;font-size:14px;font-weight:650}.nav-download:active,.button:active{transform:scale(.98)}.mobile-menu{display:none}.section{width:var(--page);margin:0 auto}.hero{grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);align-items:center;gap:clamp(48px,7vw,104px);min-height:calc(100dvh - 82px);padding:clamp(52px,8vw,96px) 0 84px;display:grid}.hero-copy{max-width:700px}.hero-kicker,.section-kicker{color:var(--accent);letter-spacing:.07em;margin:0 0 18px;font-size:13px;font-weight:720}h1,h2,h3,p{margin-top:0}h1,h2,h3{text-wrap:balance}.hero h1{letter-spacing:-.055em;margin-bottom:26px;font-size:clamp(3rem,5.9vw,5.9rem);font-weight:720;line-height:1.03}.hero-summary{max-width:620px;color:var(--text-soft);margin-bottom:30px;font-size:clamp(1.08rem,1.6vw,1.26rem);line-height:1.7}.hero-actions,.source-actions,.download-actions{flex-wrap:wrap;gap:12px;display:flex}.button{border:1px solid var(--line-strong);white-space:nowrap;min-height:46px;transition:transform .14s var(--ease-out), background-color .18s var(--ease-out), border-color .18s var(--ease-out);border-radius:12px;justify-content:center;align-items:center;padding:11px 17px;font-weight:660;line-height:1.2;display:inline-flex}.button-primary{border-color:var(--accent);background:var(--accent);color:#fff}.button-secondary{background:color-mix(in srgb, var(--surface-solid) 84%, transparent);color:var(--text)}.panel-footnote{color:var(--text-soft);margin:18px 0 0;font-size:13px}.hero-visual{position:relative}.app-icon-plate{aspect-ratio:1;border:1px solid var(--line);background:linear-gradient(145deg, #ffffff94, transparent 58%), color-mix(in srgb, var(--bg-soft) 88%, transparent);width:min(100%,460px);box-shadow:inset 0 1px 0 #ffffff80, var(--shadow);border-radius:32px;place-items:center;margin-left:auto;display:grid;position:relative;overflow:hidden}.app-icon-plate:before{content:"";aspect-ratio:1;border:1px solid color-mix(in srgb, var(--accent) 26%, transparent);width:62%;box-shadow:0 0 0 42px color-mix(in srgb, var(--accent) 4%, transparent), 0 0 0 84px color-mix(in srgb, var(--accent) 3%, transparent);border-radius:50%;position:absolute}.app-icon-plate img{object-fit:contain;object-position:center;filter:drop-shadow(0 24px 24px #242a2d2e);border-radius:22%;width:72%;max-width:72%;height:72%;position:relative}.evidence-strip{border:1px solid var(--line);background:var(--surface);backdrop-filter:blur(18px);border-radius:14px;grid-template-columns:repeat(3,1fr);width:min(80%,360px);margin:-24px auto 0;display:grid;position:relative;box-shadow:0 16px 45px #2732371f}.evidence-strip span{color:var(--text-soft);text-align:center;padding:11px 8px;font-size:13px;font-weight:650}.evidence-strip span+span{border-left:1px solid var(--line)}.section-heading{max-width:720px;margin-bottom:44px}.section-heading h2,.safety-intro h2,.permissions-section h2,.opensource-section h2,.open-guide h2,.download-panel h2,.legal-hero h1{letter-spacing:-.045em;margin-bottom:18px;font-size:clamp(2.2rem,4.2vw,4.2rem);line-height:1.08}.section-heading p:last-child,.safety-intro>p,.permissions-section>div>p,.opensource-section>div>p,.open-guide>div>p,.legal-hero>p:last-child{color:var(--text-soft);font-size:1.06rem}.product-showcase{padding:92px 0 120px}.app-shot{margin:0}.app-shot img{border:1px solid var(--line);width:100%;box-shadow:var(--shadow);border-radius:20px}.app-shot figcaption{color:var(--text-soft);margin-top:16px;font-size:13px}.system-data-section{grid-template-columns:minmax(0,.9fr) minmax(460px,1.1fr);align-items:center;gap:9vw;padding:112px 0;display:grid}.system-data-section .section-heading{margin:0}.allocation-graphic{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-solid);padding:30px;box-shadow:0 24px 70px #27323714}.allocation-copy{flex-direction:column;margin-bottom:32px;display:flex}.allocation-copy span,.allocation-graphic>p{color:var(--text-soft);font-size:13px}.allocation-copy strong{margin-top:6px;font-size:1.22rem}.allocation-row{grid-template-columns:110px 1fr;align-items:center;gap:18px;margin:18px 0;font-size:14px;display:grid}.allocation-row i{width:var(--size);background:var(--accent);border-radius:5px;height:14px}.allocation-row.muted i{background:var(--text-soft);opacity:.48}.allocation-graphic>p{margin:26px 0 0}.how-section,.capabilities-section,.rules-section,.faq-section{padding:110px 0}.workflow{counter-reset:workflow;grid-template-columns:1.1fr 1fr .9fr;margin:0;padding:0;list-style:none;display:grid}.workflow li,.capability-grid article{min-width:0}.workflow li{border-top:1px solid var(--line-strong);counter-increment:workflow;min-height:310px;padding:30px}.workflow li+li{border-left:1px solid var(--line)}.workflow li:after{content:"0" counter(workflow);color:var(--text-soft);margin-top:48px;font-size:12px;display:block}.step-symbol{color:var(--accent);margin-bottom:55px;font-size:2rem;display:block}.workflow h3,.capability-grid h3{margin-bottom:10px;font-size:1.35rem}.workflow p,.capability-grid p{color:var(--text-soft)}.safety-section{background:var(--text);color:var(--bg);border-radius:26px;grid-template-columns:.9fr 1.1fr;gap:8vw;margin-top:60px;padding:64px;display:grid}.safety-section .section-kicker{color:color-mix(in srgb, var(--accent) 70%, white)}.safety-intro>p{color:color-mix(in srgb, var(--bg) 70%, transparent)}.text-link{color:var(--accent);text-decoration:underline;text-decoration-color:color-mix(in srgb, var(--accent) 35%, transparent);text-underline-offset:4px;font-weight:670}.promise-grid{grid-template-columns:repeat(2,1fr);gap:0;margin:0;display:grid}.promise-grid div{border-top:1px solid color-mix(in srgb, var(--bg) 16%, transparent);padding:24px}.promise-grid div:nth-child(2n){border-left:1px solid color-mix(in srgb, var(--bg) 16%, transparent)}.promise-grid dt{font-weight:690}.promise-grid dd{color:color-mix(in srgb, var(--bg) 68%, transparent);margin:8px 0 0;font-size:14px}.capability-grid{border-top:1px solid var(--line-strong);grid-template-columns:repeat(2,minmax(0,1fr));column-gap:clamp(36px,7vw,84px);display:grid}.capability-grid article{border-bottom:1px solid var(--line);min-height:0;padding:30px 0 34px}.rules-section .section-heading{max-width:790px}.finding-table{border-collapse:collapse;border-top:1px solid var(--line-strong);width:100%}.finding-row{border-bottom:1px solid var(--line)}.finding-row th,.finding-row td{vertical-align:baseline;text-align:left;padding:24px 28px 24px 0}.finding-row th{width:26%}.finding-category{width:19%;color:var(--accent);font-size:14px;font-weight:650}.finding-row td:last-child{color:var(--text-soft);padding-right:0}.permissions-section{grid-template-columns:.9fr 1.1fr;align-items:center;gap:9vw;padding:120px 0;display:grid}.permission-window{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);backdrop-filter:blur(24px);border-radius:20px;padding:12px}.permission-window-title{color:var(--text-soft);text-align:center;padding:12px 14px 18px;font-size:13px}.permission-window dl{background:var(--surface-solid);border-radius:13px;margin:0}.permission-window dl div{grid-template-columns:110px 1fr;gap:18px;padding:18px;display:grid}.permission-window dl div+div{border-top:1px solid var(--line)}.permission-window dt{font-weight:670}.permission-window dd{color:var(--text-soft);margin:0}.permission-window>p{color:var(--text-soft);margin:18px 10px 8px;font-size:13px}.opensource-section{border:1px solid var(--line);background:var(--surface-solid);border-radius:26px;grid-template-columns:180px 1fr;align-items:center;gap:64px;margin-top:30px;margin-bottom:130px;padding:64px;display:grid}.source-mark{color:var(--accent);letter-spacing:-.08em;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:clamp(3rem,7vw,6rem);font-weight:720}.download-panel{background:var(--bg-soft);border-radius:26px;grid-template-columns:1fr auto;gap:30px 60px;margin-bottom:130px;padding:54px;display:grid}.download-panel h2{margin-bottom:8px;font-size:clamp(2rem,3.8vw,3.4rem)}.download-panel>div>p:last-child{color:var(--text-soft)}.download-actions{align-items:center}.release-facts{border-top:1px solid var(--line-strong);grid-column:1/-1;grid-template-columns:.7fr 1.7fr 1.2fr;gap:20px;margin:0;padding-top:28px;display:grid}.release-facts dt{color:var(--text-soft);margin-bottom:6px;font-size:12px}.release-facts dd{overflow-wrap:anywhere;margin:0}code{font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:.82em}.panel-footnote{grid-column:1/-1}.panel-footnote a{color:var(--accent);text-underline-offset:3px;text-decoration:underline}.open-guide{grid-template-columns:.9fr 1.1fr;gap:8vw;padding:74px 0 120px;display:grid}.open-guide ol{margin:0;padding:0;list-style:none}.open-guide li{border-top:1px solid var(--line);grid-template-columns:110px 1fr;gap:24px;padding:18px 0;display:grid}.open-guide li strong{color:var(--accent)}.open-guide .text-link{grid-column:2}.faq-list{max-width:850px;margin-left:auto}.faq-list details{border-bottom:1px solid var(--line)}.faq-list summary{cursor:pointer;padding:22px 40px 22px 0;font-size:1.08rem;font-weight:650;list-style:none;position:relative}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";color:var(--accent);transform-origin:50%;transition:transform .18s var(--ease-out), opacity .16s var(--ease-out);font-size:1.4rem;font-weight:400;position:absolute;right:6px}.faq-list details[open] summary:after{transform:rotate(45deg)}.faq-list details p{max-width:690px;color:var(--text-soft);padding-bottom:24px}.site-footer{border-top:1px solid var(--line);margin-top:100px}.footer-shell{width:var(--page);grid-template-columns:1fr auto;gap:36px 80px;margin:0 auto;padding:52px 0;display:grid}.footer-brand{margin-bottom:12px}.footer-shell p{color:var(--text-soft);margin-bottom:0;font-size:14px}.footer-links{color:var(--text-soft);grid-template-columns:repeat(2,auto);gap:8px 28px;font-size:14px;display:grid}.footer-note{border-top:1px solid var(--line);grid-column:1/-1;padding-top:28px}.legal-page,.guide-page{max-width:880px;padding:92px 0 80px}.legal-hero{padding:34px 0 80px}.legal-hero h1{max-width:760px}.legal-page>section,.guide-section{margin:0 0 72px}.legal-page h2,.guide-page h2{letter-spacing:-.03em;margin-bottom:18px;font-size:clamp(1.7rem,3vw,2.4rem)}.legal-page h3{margin-top:34px;margin-bottom:12px}.legal-page p,.legal-page li,.guide-page p{color:var(--text-soft)}.legal-page ul{padding-left:1.2rem}.legal-page li+li{margin-top:8px}.code-block{border:1px solid var(--line);background:var(--surface-solid);border-radius:12px;margin:22px 0;padding:18px 20px;overflow-x:auto}.guide-page .download-panel{margin-bottom:90px}.guide-steps{counter-reset:guide;margin:0;padding:0;list-style:none}.guide-steps li{border-top:1px solid var(--line);counter-increment:guide;padding:26px 0 26px 64px;position:relative}.guide-steps li:before{content:counter(guide);background:var(--accent-soft);width:34px;height:34px;color:var(--accent);border-radius:50%;place-items:center;font-size:13px;font-weight:720;display:grid;position:absolute;top:25px;left:8px}.guide-steps p{margin:8px 0 0}.warning-note{border-left:4px solid var(--warning);background:color-mix(in srgb, var(--warning) 7%, var(--surface-solid));border-radius:0 14px 14px 0;margin:0 0 80px;padding:30px}.warning-note h2{color:var(--warning)}@media (width<=920px){:root{--page:min(100% - 32px, 760px)}.nav-links,.nav-download{display:none}.mobile-menu{margin-left:auto;display:block;position:relative}.mobile-menu summary{cursor:pointer;min-height:44px;color:var(--text-soft);border-radius:9px;justify-content:center;align-items:center;padding:7px 10px;font-size:14px;list-style:none;display:inline-flex}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu-panel{border:1px solid var(--line);background:var(--surface-solid);width:220px;box-shadow:var(--shadow);opacity:1;transform-origin:100% 0;transition:opacity .16s var(--ease-out), transform .18s var(--ease-out);border-radius:14px;padding:10px;display:grid;position:absolute;top:calc(100% + 12px);right:0;transform:translateY(0)scale(1)}@starting-style{.mobile-menu[open] .mobile-menu-panel{opacity:0;transform:translateY(-6px)scale(.98)}}.mobile-menu-panel a{border-radius:8px;padding:10px}.hero{grid-template-columns:1fr;min-height:auto;padding-top:70px}.hero-copy{max-width:720px}.hero-visual{width:min(560px,100%);margin:0 auto}.app-icon-plate{margin:0 auto}.system-data-section,.permissions-section,.open-guide{grid-template-columns:1fr;gap:48px}.safety-section{grid-template-columns:1fr}.opensource-section{grid-template-columns:120px 1fr;gap:36px}.download-panel{grid-template-columns:1fr}.release-facts,.open-guide .text-link{grid-column:1}.release-facts{grid-template-columns:1fr}}@media (width<=680px){:root{--page:calc(100% - 32px);--radius:15px}.site-header{padding-top:8px}.nav-shell{border-radius:14px;min-height:52px}.brand{font-size:14px}.hero{gap:40px;padding:38px 0 58px}.hero h1{font-size:clamp(2.65rem,12vw,4.2rem)}.hero h1 br{display:none}.hero-actions,.source-actions,.download-actions{flex-direction:column;align-items:stretch}.button{width:100%}.app-icon-plate{border-radius:24px;width:80%}.product-showcase,.system-data-section,.how-section,.capabilities-section,.rules-section,.permissions-section,.faq-section{padding:76px 0}.section-heading{margin-bottom:34px}.section-heading h2,.safety-intro h2,.permissions-section h2,.opensource-section h2,.open-guide h2,.legal-hero h1{font-size:clamp(2rem,10vw,3rem)}.app-shot{width:calc(100% + 16px);overflow:hidden}.app-shot img{border-radius:14px;width:150%;max-width:none}.allocation-graphic{padding:22px}.allocation-row{grid-template-columns:94px 1fr;gap:12px}.workflow{grid-template-columns:1fr}.workflow li{min-height:auto;padding:28px 0}.workflow li+li{border-left:0}.step-symbol{margin-bottom:28px}.workflow li:after{margin-top:24px}.safety-section{border-radius:0;width:100%;margin-top:30px;padding:54px 24px}.promise-grid{grid-template-columns:1fr}.promise-grid div{padding:20px 0}.promise-grid div:nth-child(2n){border-left:0}.capability-grid{grid-template-columns:1fr}.capability-grid article:nth-child(n){min-height:190px;margin:0}.finding-row{grid-template-columns:1fr;gap:6px;padding:22px 0;display:grid}.finding-row th,.finding-row td{width:auto;padding:0;display:block}.permission-window dl div{grid-template-columns:1fr;gap:3px}.opensource-section{grid-template-columns:1fr;margin-bottom:90px;padding:32px 24px}.source-mark{font-size:3.2rem}.download-panel{border-radius:var(--radius);margin-bottom:92px;padding:30px 22px}.release-facts code{font-size:11px}.open-guide li{grid-template-columns:1fr;gap:4px}.open-guide .text-link{grid-column:1}.footer-shell,.footer-links{grid-template-columns:1fr}.footer-note{grid-column:1}.legal-page,.guide-page{padding-top:52px}.legal-hero{padding-bottom:58px}.guide-steps li{padding-top:72px;padding-left:0}.guide-steps li:before{top:22px;left:0}}@media (hover:hover) and (pointer:fine){.nav-links a:hover,.footer-links a:hover,.text-link:hover,.release-facts a:hover{color:var(--accent)}.nav-download:hover{opacity:.86}.button-primary:hover{border-color:var(--accent-hover);background:var(--accent-hover)}.button-secondary:hover{border-color:var(--accent)}.mobile-menu-panel a:hover{background:var(--bg-soft)}}@media (prefers-reduced-motion:no-preference){.hero-copy>*{animation:hero-enter .46s var(--ease-out) both}.hero-copy>:nth-child(2){animation-delay:45ms}.hero-copy>:nth-child(3){animation-delay:90ms}.hero-copy>:nth-child(4){animation-delay:.135s}.hero-visual{animation:hero-enter .54s var(--ease-out) .12s both}}@keyframes hero-enter{0%{opacity:0;transform:translateY(10px)}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media (prefers-reduced-transparency:reduce){.nav-shell,.permission-window,.evidence-strip{background:var(--surface-solid);-webkit-backdrop-filter:none}}@media (prefers-contrast:more){:root{--line:color-mix(in srgb, var(--text) 36%, transparent);--line-strong:color-mix(in srgb, var(--text) 58%, transparent)}.nav-shell,.permission-window,.evidence-strip{background:var(--surface-solid)}}