:root{--bg:#faf8f4;--surface:#fff;--ink:#1b1a22;--ink2:#403e4b;--muted:#6d6a7a;--line:#e7e3da;--teal:#0fa79f;--teal2:#0c8a83;--tealbg:#e2f4f2;--coral:#f4553f;--coralbg:#fdeae6;--max:1040px;--sans:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;--mono:ui-monospace,"SF Mono",Menlo,monospace}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.7 var(--sans);-webkit-font-smoothing:antialiased}
a{color:inherit}
.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}
.top{position:sticky;top:0;z-index:5;border-bottom:1px solid var(--line);background:rgba(250,248,244,.92);backdrop-filter:blur(12px)}
.topin{height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:850;text-decoration:none}
.brand img{width:34px;height:34px}
.brand small{font-size:12px;color:var(--muted);font-weight:650}
.top nav{display:flex;align-items:center;gap:22px;font-size:14px;color:var(--ink2)}
.top nav a{text-decoration:none}
.top nav a:hover{color:var(--teal2)}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:11px;padding:11px 18px;background:var(--coral);color:#fff;text-decoration:none;font-weight:750}
.topin>.btn{white-space:nowrap}
.hero{padding:78px 0 58px;border-bottom:1px solid var(--line);background:radial-gradient(circle at 84% 18%,var(--tealbg),transparent 28%),radial-gradient(circle at 12% 88%,var(--coralbg),transparent 26%)}
.crumb{font:12px var(--mono);color:var(--muted)}
.crumb a{color:var(--teal2)}
.eyebrow{display:block;margin-top:24px;font:750 12px var(--mono);letter-spacing:.12em;color:var(--teal2)}
h1,h2,h3{margin:0;line-height:1.2;letter-spacing:-.025em;text-wrap:balance}
h1{max-width:900px;margin-top:14px;font-size:clamp(36px,5vw,58px)}
.dek{max-width:780px;margin:20px 0 0;color:var(--ink2);font-size:19px}
.badges{display:flex;flex-wrap:wrap;gap:9px;margin-top:25px}
.badge{padding:6px 11px;border:1px solid color-mix(in srgb,var(--teal) 38%,var(--line));border-radius:999px;background:var(--tealbg);color:var(--teal2);font:700 12px var(--mono)}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.actions .ghost{background:var(--surface);color:var(--ink);border:1px solid var(--line)}
main section{padding:56px 0}
main section.alt{background:#f2efe8;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.head{max-width:720px;margin-bottom:28px}
.head h2{font-size:clamp(28px,3.6vw,40px)}
.head p{margin:12px 0 0;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.card{padding:22px;border:1px solid var(--line);border-radius:15px;background:var(--surface)}
.card .no{font:750 12px var(--mono);color:var(--teal2)}
.card h3{margin-top:9px;font-size:18px}
.card p{margin:9px 0 0;color:var(--muted);font-size:14px}
.prose{max-width:820px}
.prose h2{margin-top:34px;font-size:27px}
.prose h2:first-child{margin-top:0}
.prose h3{margin-top:25px;font-size:19px}
.prose p,.prose li{color:var(--ink2)}
.prose strong{color:var(--ink)}
.prose .note{padding:18px 20px;border-left:4px solid var(--teal);border-radius:0 12px 12px 0;background:var(--tealbg)}
.tablewrap{overflow:auto;border:1px solid var(--line);border-radius:15px;background:var(--surface)}
table{width:100%;min-width:720px;border-collapse:collapse}
th,td{padding:13px 15px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}
th{background:#fbfaf7;color:var(--ink);font-weight:750}
td{color:var(--ink2)}
tr:last-child td{border-bottom:0}
.faq{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.faq article{padding:22px;border:1px solid var(--line);border-radius:15px;background:var(--surface)}
.faq h3{font-size:17px}
.faq p{margin:9px 0 0;color:var(--muted);font-size:14px}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.related a{padding:16px 18px;border:1px solid var(--line);border-radius:12px;background:var(--surface);text-decoration:none;font-weight:700}
.related a:hover{border-color:var(--teal);color:var(--teal2)}
footer{padding:36px 0;border-top:1px solid var(--line);color:var(--muted);font-size:13px}
.foot{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.updated{font:11px var(--mono);color:var(--muted);margin-top:18px}
.factstrip{padding-top:38px;padding-bottom:38px;background:var(--surface);border-bottom:1px solid var(--line)}
.factstrip .head{margin-bottom:18px}.factstrip .head h2{font-size:clamp(24px,3vw,32px)}
.quickfacts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));margin:0;border:1px solid var(--line);border-radius:15px;overflow:hidden;background:var(--surface)}
.quickfacts>div{display:grid;grid-template-columns:120px minmax(0,1fr);gap:14px;padding:15px 18px;border-bottom:1px solid var(--line)}
.quickfacts>div:nth-child(odd){border-right:1px solid var(--line)}.quickfacts>div:nth-last-child(-n+2){border-bottom:0}
.quickfacts dt{font:750 11px/1.55 var(--mono);letter-spacing:.05em;color:var(--teal2)}
.quickfacts dd{min-width:0;margin:0;color:var(--ink2);font-size:14px;line-height:1.55}
.reviewed{margin:14px 0 0;font:11px/1.6 var(--mono);color:var(--muted)}

/* Changelog & public roadmap */
.roadmap-hero{padding-bottom:64px}
.road-status{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:34px}
.road-status article{position:relative;padding:20px 22px;border:1px solid color-mix(in srgb,var(--teal) 38%,var(--line));border-radius:16px;background:rgba(255,255,255,.78);box-shadow:0 12px 34px rgba(27,26,34,.06)}
.road-status article.next{border-color:color-mix(in srgb,var(--coral) 38%,var(--line));background:linear-gradient(145deg,var(--coralbg),rgba(255,255,255,.86))}
.road-status span{display:block;font:750 10px var(--mono);letter-spacing:.11em;color:var(--teal2)}
.road-status .next span{color:#bd3b2c}.road-status b{display:block;margin-top:7px;font-size:18px}.road-status time{display:block;margin-top:4px;font:700 11px var(--mono);color:#bd3b2c}.road-status p{margin:8px 0 0;color:var(--muted);font-size:13.5px;line-height:1.6}
.release-list{max-width:900px;border-top:1px solid var(--line)}
.release-row{display:grid;grid-template-columns:145px 1fr;gap:32px;padding:30px 0;border-bottom:1px solid var(--line)}
.release-date time{display:block;font:800 13px var(--mono);color:var(--ink)}.release-date span{display:inline-block;margin-top:8px;padding:3px 7px;border-radius:999px;background:var(--tealbg);color:var(--teal2);font:800 9px var(--mono);letter-spacing:.08em}
.release-copy h3{margin-top:9px;font-size:22px}.release-copy p{margin:10px 0 0;color:var(--ink2);font-size:14.5px}.release-tags{display:flex;flex-wrap:wrap;gap:6px}.release-tags span{font:750 9px var(--mono);letter-spacing:.08em;color:var(--teal2)}
.plan-head{display:flex;justify-content:space-between;align-items:flex-end;gap:28px;margin-bottom:28px}.plan-head>div{max-width:720px}.plan-head h2{margin-top:8px;font-size:clamp(29px,3.6vw,42px)}.plan-head p{margin:12px 0 0;color:var(--muted)}.plan-head time{flex:0 0 auto;padding:9px 12px;border:1px solid color-mix(in srgb,var(--coral) 35%,var(--line));border-radius:999px;background:var(--coralbg);color:#a9382a;font:800 11px var(--mono)}
.road-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.road-card{padding:21px;border:1px solid var(--line);border-radius:15px;background:var(--surface)}.road-card .no{font:800 11px var(--mono);color:#bd3b2c}.road-card h3{margin-top:9px;font-size:17px}.road-card p{margin:9px 0 0;color:var(--muted);font-size:13.5px}.plan-notice{margin:17px 0 0;padding:16px 18px;border-left:4px solid var(--coral);border-radius:0 12px 12px 0;background:var(--coralbg);color:var(--ink2);font-size:13px}
.principle-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.principle{padding:20px;border-top:3px solid var(--teal);border-radius:4px 4px 14px 14px;background:var(--surface);box-shadow:0 8px 25px rgba(27,26,34,.05)}.principle h3{font-size:17px}.principle p{margin:9px 0 0;color:var(--muted);font-size:13px}
.research-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}.research-card{padding:21px;border:1px dashed color-mix(in srgb,var(--muted) 38%,var(--line));border-radius:14px;background:color-mix(in srgb,var(--surface) 76%,transparent)}.research-card>span{font:800 9px var(--mono);letter-spacing:.09em;color:var(--muted)}.research-card h3{margin-top:8px;font-size:17px}.research-card p{margin:8px 0 0;color:var(--muted);font-size:13.5px}
.road-cta{display:flex;align-items:center;gap:18px;margin-top:26px}.road-cta>a:last-child{color:var(--teal2);font-weight:700;font-size:13px}
@media(max-width:760px){.top nav{display:none}
.brand small{display:none}
.topin>.btn{padding:10px 13px;font-size:13px}
.hero{padding:52px 0 42px}
.grid,.faq,.related{grid-template-columns:1fr}
.road-status,.road-grid,.principle-grid,.research-grid{grid-template-columns:1fr}
.release-row{grid-template-columns:1fr;gap:13px;padding:24px 0}
.plan-head{align-items:flex-start;flex-direction:column}.road-cta{align-items:flex-start;flex-direction:column}
.dek{font-size:17px}
.wrap{width:min(var(--max),calc(100% - 28px))}
.quickfacts{grid-template-columns:1fr}.quickfacts>div{grid-template-columns:1fr;gap:4px;border-right:0!important;border-bottom:1px solid var(--line)!important}.quickfacts>div:last-child{border-bottom:0!important}
}