@font-face{font-family:"Space Grotesk";src:url(../fonts/space-grotesk-latin-wght-normal.woff2) format("woff2");font-weight:300 700;font-style:normal;font-display:swap}@font-face{font-family:"IBM Plex Sans";src:url(../fonts/ibm-plex-sans-latin-400-normal.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:"IBM Plex Sans";src:url(../fonts/ibm-plex-sans-latin-600-normal.woff2) format("woff2");font-weight:500 700;font-style:normal;font-display:swap}@font-face{font-family:"IBM Plex Mono";src:url(../fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2");font-weight:400 500;font-style:normal;font-display:swap}:root{--bg:#07090b;--bg-2:#0b0f12;--surface:#11171c;--surface-2:#161e24;--line:#1b242b;--line-2:#2a363f;--control:#5b6973;--text:#e6ecef;--muted:#a1adb5;--faint:#84919a;--accent:#3ccf9f;--accent-ink:#03201b;--accent-soft:rgba(60,207,159,0.1);--warn:#ffb547;--error:#ff8f8f;--field-bg:7,9,11;--field-ink:159,179,189;--field-hot:60,207,159;--shadow:0 30px 60px -30px rgba(0,0,0,0.7);--font-display:"Space Grotesk","IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--font-body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--font-mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;--radius:14px;--radius-sm:10px;--wrap:1200px;--gutter:clamp(16px,4vw,40px);--header-h:64px;color-scheme:dark}@media (prefers-color-scheme:light){:root:not([data-theme="dark"]){--bg:#f3f4f1;--bg-2:#eceee9;--surface:#ffffff;--surface-2:#f7f8f5;--line:#dce0db;--line-2:#c3cac4;--control:#7d8780;--text:#0b1013;--muted:#434f57;--faint:#56626b;--accent:#077a5b;--accent-ink:#ffffff;--accent-soft:rgba(7,122,91,0.09);--warn:#8a5a00;--error:#b42318;--field-bg:243,244,241;--field-ink:51,66,74;--field-hot:7,122,91;--shadow:0 30px 60px -36px rgba(20,30,36,0.35);color-scheme:light}}:root[data-theme="light"]{--bg:#f3f4f1;--bg-2:#eceee9;--surface:#ffffff;--surface-2:#f7f8f5;--line:#dce0db;--line-2:#c3cac4;--control:#7d8780;--text:#0b1013;--muted:#434f57;--faint:#56626b;--accent:#077a5b;--accent-ink:#ffffff;--accent-soft:rgba(7,122,91,0.09);--warn:#8a5a00;--error:#b42318;--field-bg:243,244,241;--field-ink:51,66,74;--field-hot:7,122,91;--shadow:0 30px 60px -36px rgba(20,30,36,0.35);color-scheme:light}:lang(zh){--font-display:"Space Grotesk","PingFang SC","Hiragino Sans GB","Noto Sans SC","Noto Sans CJK SC","Source Han Sans SC","Microsoft YaHei",sans-serif;--font-body:"IBM Plex Sans","PingFang SC","Hiragino Sans GB","Noto Sans SC","Noto Sans CJK SC","Source Han Sans SC","Microsoft YaHei",sans-serif}*,*::before,*::after{box-sizing:border-box}[hidden]{display:none !important}html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px)}body{margin:0;background:var(--bg);color:var(--text);font:400 1.0625rem/1.65 var(--font-body);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-wrap:break-word}:lang(zh) body,body:lang(zh){line-height:1.8}img,video{max-width:100%;height:auto;display:block}svg{flex:none}h1,h2,h3{text-wrap:balance}p{text-wrap:pretty}a{color:inherit;text-underline-offset:3px;text-decoration-thickness:1px}main p a,main dd a{color:var(--accent)}::selection{background:var(--accent);color:var(--accent-ink)}:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}main:focus{outline:none}.wrap{width:100%;max-width:calc(var(--wrap) + 2 * var(--gutter));margin-inline:auto;padding-inline:var(--gutter)}.mono{font-family:var(--font-mono)}.small{font-size:0.8rem}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.skip{position:absolute;left:12px;top:-60px;z-index:100;padding:10px 16px;background:var(--accent);color:var(--accent-ink);border-radius:8px;font-weight:600;text-decoration:none}.skip:focus{top:12px}.draft-banner{margin:0;padding:6px var(--gutter);text-align:center;font:400 0.78rem/1.5 var(--font-mono);background:var(--accent-soft);border-bottom:1px solid var(--line);color:var(--text)}.draft-banner a{color:var(--accent)}.site-header{position:sticky;top:0;z-index:50;background:rgba(var(--field-bg),0.82);-webkit-backdrop-filter:saturate(1.4) blur(14px);backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--line)}.header-in{display:flex;align-items:center;gap:16px;height:var(--header-h);position:relative}.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font:600 1.18rem/1 var(--font-display);letter-spacing:0.01em;text-transform:lowercase}.brand-mark .z{fill:currentColor}.brand-mark .dot{fill:var(--accent)}.site-nav{margin-left:auto}.site-nav ul{display:flex;gap:2px;list-style:none;margin:0;padding:0}.site-nav a{display:block;padding:8px 12px;border-radius:8px;text-decoration:none;color:var(--muted);font-size:0.95rem;transition:color 0.2s,background 0.2s}.site-nav a:hover{color:var(--text);background:var(--surface)}.site-nav a[aria-current="page"]{color:var(--text);box-shadow:inset 0 -1px 0 var(--accent);border-radius:8px 8px 0 0}.header-tools{display:flex;align-items:center;gap:6px}.icon-btn{display:inline-grid;place-items:center;width:40px;height:40px;padding:0;border-radius:10px;border:1px solid var(--line);background:transparent;color:var(--text);cursor:pointer;transition:border-color 0.2s}.icon-btn:hover{border-color:var(--line-2)}.icon-btn svg,.lang summary svg{fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.theme-btn .i-moon{display:none}@media (prefers-color-scheme:light){:root:not([data-theme="dark"]) .theme-btn .i-sun{display:none}:root:not([data-theme="dark"]) .theme-btn .i-moon{display:block}}:root[data-theme="light"] .theme-btn .i-sun{display:none}:root[data-theme="light"] .theme-btn .i-moon{display:block}.no-js .theme-btn{display:none}.menu-btn{display:none}.lang{position:relative}.lang summary{list-style:none;display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 10px;border:1px solid var(--line);border-radius:10px;cursor:pointer;font:400 0.78rem/1 var(--font-mono);color:var(--text)}.lang summary::-webkit-details-marker{display:none}.lang[open] summary{border-color:var(--line-2)}.lang ul{position:absolute;right:0;top:calc(100% + 8px);z-index:60;min-width:220px;margin:0;padding:6px;list-style:none;background:var(--surface);border:1px solid var(--line-2);border-radius:12px;box-shadow:var(--shadow)}.lang a{display:flex;gap:10px;align-items:center;padding:9px 10px;border-radius:8px;text-decoration:none;font-size:0.95rem}.lang a:hover{background:var(--surface-2)}.lang a[aria-current]{color:var(--accent)}.code{font:400 0.72rem/1 var(--font-mono);color:var(--faint);min-width:22px}.draft-tag{margin-left:auto;font:400 0.64rem/1.6 var(--font-mono);text-transform:uppercase;letter-spacing:0.06em;color:var(--faint);border:1px solid var(--line-2);padding:0 6px;border-radius:99px}@media (max-width:880px){.js .menu-btn{display:inline-grid}.js .site-nav{display:none;position:absolute;top:var(--header-h);left:calc(-1 * var(--gutter));right:calc(-1 * var(--gutter));margin:0;padding:8px var(--gutter) 18px;background:var(--bg);border-bottom:1px solid var(--line)}.js .site-nav.open{display:block}.js .site-nav ul{flex-direction:column}.js .site-nav a{padding:12px 8px;font-size:1.05rem}.header-tools{margin-left:auto}.no-js .header-in{flex-wrap:wrap;height:auto;padding-block:12px}.no-js .site-nav{order:3;width:100%;margin:0}.no-js .site-nav ul{flex-wrap:wrap}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;border-radius:999px;font:500 0.98rem/1.2 var(--font-body);text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background 0.2s,border-color 0.2s,color 0.2s,filter 0.2s}.btn-primary{background:var(--accent);color:var(--accent-ink);font-weight:600}.btn-primary:hover{filter:brightness(1.08)}.btn-ghost{border-color:var(--line-2);color:var(--text);background:transparent}.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}.btn-sm{min-height:38px;padding:0 16px;font-size:0.9rem}.actions{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0 0}.eyebrow{display:flex;align-items:center;gap:10px;margin:0 0 16px;font:400 0.76rem/1.4 var(--font-mono);letter-spacing:0.14em;text-transform:uppercase;color:var(--accent)}.eyebrow .zeta{font:500 1.05rem/1 var(--font-display);text-transform:none;letter-spacing:0}.lede{margin:0;max-width:62ch;font-size:clamp(1.03rem,1.25vw,1.17rem);color:var(--muted)}.fineprint{margin:24px 0 0;font-size:0.85rem;color:var(--faint);max-width:80ch}.idx{font:400 0.74rem/1 var(--font-mono);letter-spacing:0.1em;color:var(--faint)}.inline-list{display:flex;flex-wrap:wrap;gap:8px 18px;list-style:none;margin:32px 0 0;padding:0}.hero{position:relative;isolation:isolate;display:flex;align-items:center;min-height:min(calc(100vh - var(--header-h)),860px);overflow:hidden;border-bottom:1px solid var(--line)}.hero-field{position:absolute;inset:0;z-index:-1}.hero-field canvas{position:absolute;inset:0;width:100%;height:100%}.no-js .hero-field{background:url(../media/field.svg) 70% 50% / cover no-repeat}.hero-field::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(var(--field-bg),0.92) 0%,rgba(var(--field-bg),0.7) 34%,rgba(var(--field-bg),0) 64%),linear-gradient(0deg,rgba(var(--field-bg),1) 0%,rgba(var(--field-bg),0) 26%);pointer-events:none}.hero-in{padding-block:clamp(80px,12vh,140px)}.hero-title{margin:0 0 24px;max-width:15ch;font:600 clamp(2.5rem,6.4vw,5.4rem)/1.0 var(--font-display);letter-spacing:-0.04em}:lang(zh) .hero-title,:lang(zh) .page-title,:lang(zh) .sec-title{letter-spacing:0;line-height:1.2}.hero-lede{margin:0;max-width:54ch;font-size:clamp(1.06rem,1.45vw,1.26rem);color:var(--muted)}.hero-notes{position:absolute;inset:0;pointer-events:none;font-size:0.7rem;letter-spacing:0.05em;color:var(--faint)}.no-js .hero-notes{display:none}.note{position:absolute;white-space:nowrap}.note-tl{top:22px;left:var(--gutter)}.note-tr{top:22px;right:var(--gutter)}.note-bl{bottom:22px;left:var(--gutter)}.note-br{bottom:22px;right:var(--gutter);color:var(--accent)}.note sup{font-size:0.75em}@media (max-width:760px){.hero{min-height:0}.hero-field::after{background:linear-gradient(180deg,rgba(var(--field-bg),0.35) 0%,rgba(var(--field-bg),0.86) 48%,rgba(var(--field-bg),1) 100%)}.hero-in{padding-block:72px 96px}.note-tl,.note-tr{display:none}.note-bl{display:none}}.page-hero{position:relative;isolation:isolate;padding-block:clamp(64px,9vw,120px) clamp(40px,6vw,72px)}.page-hero::before{content:"";position:absolute;top:0;right:0;bottom:0;width:min(64%,760px);z-index:-1;background-image:radial-gradient(circle at 1px 1px,var(--line-2) 1px,transparent 1.6px);background-size:24px 24px;-webkit-mask-image:radial-gradient(ellipse at 70% 30%,#000 0%,transparent 70%);mask-image:radial-gradient(ellipse at 70% 30%,#000 0%,transparent 70%)}.page-title{margin:0 0 22px;max-width:20ch;font:600 clamp(2.2rem,5vw,4.1rem)/1.04 var(--font-display);letter-spacing:-0.035em}.page-hero.split{align-items:center}.page-hero.split .page-title{max-width:16ch}.former{margin:18px 0 0;font-size:0.8rem;color:var(--faint)}.sec{padding-block:clamp(72px,10vw,128px)}.sec + .sec{border-top:1px solid var(--line)}.sec-head{max-width:780px;margin-bottom:clamp(32px,5vw,56px)}.sec-title{margin:0 0 16px;font:600 clamp(1.8rem,3.6vw,3rem)/1.08 var(--font-display);letter-spacing:-0.028em}.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,88px);align-items:center}.split .sec-head{margin-bottom:0}@media (max-width:960px){.split{grid-template-columns:1fr}.split-rev .split-visual{order:2}}.offers{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.offer-link{display:flex;flex-direction:column;height:100%;padding:30px 28px 28px;background:var(--bg-2);text-decoration:none;transition:background 0.25s}.offer-link:hover{background:var(--surface)}.offer h3{margin:30px 0 12px;font:600 1.45rem/1.2 var(--font-display);letter-spacing:-0.015em}.offer p{flex:1;margin:0 0 28px;color:var(--muted)}.more{font-size:0.74rem;letter-spacing:0.1em;text-transform:uppercase;color:var(--accent)}@media (max-width:900px){.offers{grid-template-columns:1fr}}.points{list-style:none;margin:34px 0 0;padding:0;display:grid;gap:22px}.points li{padding-left:20px;border-left:1px solid var(--line-2)}.points h3{margin:0 0 4px;font:600 1.06rem/1.35 var(--font-body)}.points p{margin:0;color:var(--muted);font-size:0.98rem}.points-2{margin:0;grid-template-columns:1fr 1fr;gap:36px 56px}@media (max-width:760px){.points-2{grid-template-columns:1fr}}.ticks{list-style:none;margin:28px 0 0;padding:0;display:grid;gap:12px}.ticks li{position:relative;padding-left:28px}.ticks li::before{content:"";position:absolute;left:0;top:0.8em;width:14px;height:1px;background:var(--accent)}.cards{list-style:none;margin:0;padding:0;display:grid;gap:16px}.cards-3{grid-template-columns:repeat(3,1fr)}.cards-4{grid-template-columns:repeat(4,1fr)}@media (max-width:1040px){.cards-3,.cards-4{grid-template-columns:repeat(2,1fr)}}@media (max-width:640px){.cards-3,.cards-4{grid-template-columns:1fr}}.card{position:relative;padding:26px 24px 28px;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-2);transition:border-color 0.25s}.card::before{content:"";position:absolute;top:-1px;left:24px;width:28px;height:1px;background:var(--accent)}.card:hover{border-color:var(--line-2)}.card h3{margin:18px 0 10px;font:600 1.16rem/1.28 var(--font-display);letter-spacing:-0.01em}.card p{margin:0;color:var(--muted);font-size:0.97rem}.band{padding:clamp(36px,6vw,72px) clamp(20px,4vw,56px);border:1px solid var(--line);border-radius:24px;background:var(--bg-2)}.band .card{background:var(--bg)}.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.steps li{padding-top:18px;border-top:1px solid var(--line-2)}.steps h3{margin:14px 0 8px;font:600 1.15rem/1.3 var(--font-display)}.steps p{margin:0;color:var(--muted);font-size:0.97rem}@media (max-width:860px){.steps{grid-template-columns:1fr}}.facts{list-style:none;margin:0;padding:0;display:grid;gap:10px}.facts li{position:relative;padding:14px 18px 14px 40px;border:1px solid var(--line);border-radius:12px;background:var(--bg-2);font-size:0.9rem}.facts li::before{content:"›";position:absolute;left:18px;color:var(--accent)}.hub{margin:0;display:grid;grid-template-columns:1fr 30px 1.15fr 30px 1fr;align-items:center}.hub-col{padding:16px 14px;border:1px solid var(--line-2);border-radius:var(--radius-sm);background:var(--bg-2)}.hub-core{border-color:var(--accent);background:linear-gradient(180deg,var(--accent-soft),transparent 80%),var(--bg-2);box-shadow:0 0 0 4px var(--accent-soft)}.hub-h{margin:0 0 10px;font-size:0.68rem;letter-spacing:0.12em;text-transform:uppercase;color:var(--faint)}.hub-core .hub-h{color:var(--accent)}.hub ul{list-style:none;margin:0;padding:0;display:grid;gap:6px;font-size:0.88rem;line-height:1.35}.hub li{padding:7px 10px;border-radius:8px;background:var(--surface);border:1px solid var(--line)}.hub-link{position:relative;height:1px;background:repeating-linear-gradient(90deg,var(--line-2) 0 4px,transparent 4px 8px)}.hub-link span{position:absolute;top:-2px;left:0;width:5px;height:5px;border-radius:50%;background:var(--accent);animation:hubflow 2.6s linear infinite}@keyframes hubflow{from{left:0}to{left:calc(100% - 5px)}}@keyframes hubflowv{from{top:0}to{top:calc(100% - 5px)}}.hub-cap{grid-column:1 / -1;margin-top:16px;font-size:0.85rem;color:var(--faint)}@media (max-width:600px){.hub{grid-template-columns:1fr}.hub-link{width:1px;height:28px;margin-inline:auto;background:repeating-linear-gradient(180deg,var(--line-2) 0 4px,transparent 4px 8px)}.hub-link span{left:-2px;animation-name:hubflowv}.hub ul{grid-template-columns:repeat(2,1fr)}}.loop{margin:0}.loop-frame{position:relative;overflow:hidden;border:1px solid var(--line-2);border-radius:var(--radius);background:#05070a;box-shadow:var(--shadow)}.loop video{width:100%;height:auto;aspect-ratio:800 / 614;object-fit:cover}.loop-btn{position:absolute;right:12px;bottom:12px;display:grid;place-items:center;width:38px;height:38px;padding:0;border-radius:50%;border:1px solid rgba(255,255,255,0.25);background:rgba(5,7,10,0.72);color:#fff;cursor:pointer}.loop-btn svg{fill:currentColor}.loop-btn .i-pause,.loop-btn[data-playing] .i-play{display:none}.loop-btn[data-playing] .i-pause{display:block}.frame-tag{position:absolute;left:14px;top:12px;font-size:0.66rem;letter-spacing:0.1em;text-transform:uppercase;color:rgba(230,236,239,0.72)}figcaption{margin-top:12px;font-size:0.85rem;color:var(--faint)}.soon-note{display:inline-flex;gap:10px;align-items:flex-start;margin:22px 0 0;padding:12px 16px;border:1px dashed var(--line-2);border-radius:12px;color:var(--muted);font-size:0.92rem}.soon-note svg{fill:var(--accent);margin-top:4px}.soon-note strong{color:var(--text);font-weight:600}.features{list-style:none;margin:0;padding:0;display:grid;gap:clamp(56px,8vw,104px)}.feature{display:grid;grid-template-columns:1.35fr 1fr;gap:clamp(28px,5vw,64px);align-items:center}.feature-rev .feature-media{order:2}.feature-media img{width:100%;height:auto;border:1px solid var(--line-2);border-radius:var(--radius);box-shadow:var(--shadow);background:#05070a}.feature-text h3{margin:14px 0 12px;font:600 clamp(1.4rem,2.4vw,1.9rem)/1.15 var(--font-display);letter-spacing:-0.02em}.feature-text p{margin:0;color:var(--muted)}@media (max-width:900px){.feature{grid-template-columns:1fr}.feature-rev .feature-media{order:0}}.group-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line-2)}.group-list li{display:grid;gap:6px;align-content:start;padding:24px 24px 0 0}.g-name{font:600 1.25rem/1.2 var(--font-display);text-decoration:none;color:var(--text)}a.g-name:hover{color:var(--accent)}.g-desc{color:var(--muted);font-size:0.93rem}@media (max-width:700px){.group-list{grid-template-columns:1fr}.group-list li{padding:18px 0;border-bottom:1px solid var(--line)}}.cta{padding-block:clamp(40px,6vw,80px) clamp(64px,8vw,104px)}.cta-in{position:relative;overflow:hidden;padding:clamp(32px,6vw,72px);border:1px solid var(--line-2);border-radius:24px;background:radial-gradient(120% 140% at 100% 0%,var(--accent-soft),transparent 60%),var(--bg-2)}.cta-in .sec-title{max-width:22ch}.contact-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:clamp(32px,5vw,72px);align-items:start;padding-top:0}.form{display:grid;grid-template-columns:1fr 1fr;gap:18px 20px}.field{display:grid;gap:8px;align-content:start}.field-wide{grid-column:1 / -1}.form label{font-weight:600;font-size:0.93rem}.opt{font-weight:400;color:var(--faint)}.form input,.form select,.form textarea{width:100%;min-height:48px;padding:12px 14px;font:inherit;font-size:1rem;color:var(--text);background:var(--bg-2);border:1px solid var(--control);border-radius:var(--radius-sm)}.form select{appearance:none;-webkit-appearance:none;padding-right:40px;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 15px) 50%;background-size:5px 5px;background-repeat:no-repeat}.form textarea{min-height:170px;resize:vertical}.form input:focus-visible,.form select:focus-visible,.form textarea:focus-visible{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}.form [aria-invalid="true"]{border-color:var(--error)}.form-error{grid-column:1 / -1;margin:0;color:var(--error);font-weight:600}.form .actions{margin:4px 0 0}.form .fineprint{margin:0}.contact-aside{padding:4px 0 0}.aside-h{margin:30px 0 8px;font:400 0.74rem/1.4 var(--font-mono);letter-spacing:0.12em;text-transform:uppercase;color:var(--faint)}.aside-h:first-child{margin-top:0}.contact-aside p{margin:0 0 8px;color:var(--muted)}.mail-big{font-size:clamp(1.1rem,2vw,1.4rem);color:var(--accent);word-break:break-all}@media (max-width:860px){.contact-grid{grid-template-columns:1fr}}@media (max-width:560px){.form{grid-template-columns:1fr}}.notice{max-width:72ch;margin:0;padding:12px 16px;border-left:2px solid var(--warn);border-radius:0 10px 10px 0;background:var(--accent-soft);color:var(--text)}.toc{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:26px;font-size:0.85rem}.toc a{color:var(--accent)}.legal .sec{max-width:880px}.legal .sec{padding-block:56px}.legal .sec:first-child{padding-top:8px}.kv{display:grid;margin:0;border-top:1px solid var(--line)}.kv div{display:grid;grid-template-columns:240px 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}.kv dt{color:var(--muted)}.kv dd{margin:0}@media (max-width:600px){.kv div{grid-template-columns:1fr;gap:2px}}.legal h3{margin:36px 0 8px;font:600 1.12rem/1.3 var(--font-display)}.legal section p{max-width:72ch;color:var(--muted)}.legal section ul{max-width:72ch;margin:0 0 1em;padding-left:1.2em;color:var(--muted)}.legal section li + li{margin-top:8px}.page-hero .lede + .notice{margin-top:22px}mark.todo{padding:0 5px;border:1px dashed var(--warn);border-radius:5px;background:transparent;color:var(--warn);font:400 0.88em/1.5 var(--font-mono)}.site-footer{border-top:1px solid var(--line);background:var(--bg-2)}.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-block:56px 40px}.footer-about p{margin:16px 0 0;color:var(--muted);font-size:0.93rem;max-width:42ch}.footer-about .mono{color:var(--faint)}.footer-h{margin:6px 0 14px;font:400 0.72rem/1.4 var(--font-mono);letter-spacing:0.14em;text-transform:uppercase;color:var(--faint)}.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:9px;font-size:0.94rem}.site-footer a{text-decoration:none;color:var(--text)}.site-footer a:hover{color:var(--accent)}.site-footer .sub{display:block;color:var(--faint);font-size:0.82rem}.footer-base{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-block:20px 28px;border-top:1px solid var(--line);color:var(--faint)}@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}.footer-about{grid-column:1 / -1}}@media (max-width:420px){.footer-grid{grid-template-columns:1fr}}.page-root{min-height:100vh;display:grid;place-items:center}.root-pick{max-width:calc(560px + 2 * var(--gutter));padding-block:64px}.root-pick .brand{margin:0 0 32px}.root-langs{list-style:none;margin:0;padding:0;display:grid;gap:8px}.root-langs a{display:grid;grid-template-columns:36px 1fr;gap:2px 12px;padding:14px 18px;border:1px solid var(--line);border-radius:12px;background:var(--bg-2);text-decoration:none}.root-langs a:hover{border-color:var(--accent)}.root-langs .code{grid-row:span 2;align-self:center;color:var(--accent)}.root-langs .name{font-weight:600}.root-langs .sub{color:var(--muted);font-size:0.88rem}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none !important;transition:none !important}.hub-link span{display:none}}