:root{--bg:#fbfaf7;--paper:#fff;--ink:#1f2933;--muted:#4a5562;--line:#e3e1da;--blue:#3d6a9e;--blue-l:#dfe9f5;--sage:#dcebe1;--sage-d:#3f7a58;--sand:#f6ecd9;--sand-d:#8a6420;--rose:#f4e1e1;--lav:#e8e4f4;--lav-d:#5b4f8f;--max:1160px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 "Source Sans 3","Segoe UI",system-ui,-apple-system,sans-serif}
h1,h2,h3{font-family:"Source Serif 4",Georgia,"Times New Roman",serif;line-height:1.2;font-weight:600;color:#17202a}
h1{font-size:clamp(1.9rem,3.6vw,2.8rem);margin:.2em 0 .4em}h2{font-size:clamp(1.45rem,2.4vw,1.9rem);margin:0 0 .5em}h3{font-size:1.15rem;margin:.2em 0 .4em}
a{color:var(--blue)}a:hover{color:#24496f}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:99}
:focus-visible{outline:3px solid #e0a43a;outline-offset:2px}
header.site{background:rgba(251,250,247,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;backdrop-filter:blur(6px)}
.bar{display:flex;align-items:center;gap:18px;height:66px}
.logo{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink);font-weight:700;letter-spacing:.2px}
.logo svg{flex:none}.logo small{display:block;font-weight:400;font-size:.72rem;color:var(--muted);letter-spacing:.3px}
nav.main{margin-left:auto}nav.main ul{display:flex;gap:4px;list-style:none;margin:0;padding:0}
nav.main a{display:block;padding:8px 9px;text-decoration:none;color:var(--ink);font-size:.93rem;border-radius:6px}
nav.main a:hover,nav.main a[aria-current]{background:var(--blue-l);color:#1d3d60}
.lang{font-size:.85rem;border:1px solid var(--line);border-radius:6px;overflow:hidden;display:flex}
.lang a,.lang span{padding:4px 8px;text-decoration:none;color:var(--muted)}.lang span{background:var(--ink);color:#fff}
.btn{display:inline-block;padding:11px 20px;border-radius:8px;text-decoration:none;font-weight:600;border:2px solid var(--blue);font-size:.98rem}
.btn.primary{background:var(--blue);color:#fff}.btn.primary:hover{background:#2f5582;color:#fff}
.btn.ghost{color:var(--blue);background:transparent}
.menu-t{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:6px;padding:7px 10px;font:inherit}
@media(max-width:1100px){nav.main{display:none;position:absolute;top:66px;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--line)}nav.main.open{display:block}nav.main ul{flex-direction:column;padding:10px 22px}.menu-t{display:block}.bar .btn.primary{display:none}}
.hero{padding:56px 0 40px;background:linear-gradient(180deg,#f3f1ea 0,var(--bg) 100%);border-bottom:1px solid var(--line)}
.hero .grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.lead{font-size:1.15rem;color:var(--muted);max-width:40em}
.eyebrow{font-size:.8rem;letter-spacing:1.4px;text-transform:uppercase;color:var(--sage-d);font-weight:700}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}.badge{font-size:.85rem;padding:4px 10px;border-radius:99px;background:var(--sage);color:#24513a}
.badge.sand{background:var(--sand);color:#6b4c14}.badge.lav{background:var(--lav);color:#40366e}.badge.blue{background:var(--blue-l);color:#1d3d60}.badge.rose{background:var(--rose);color:#7a2d2d}
.ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
section{padding:54px 0}section.alt{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:20px;display:flex;flex-direction:column}
.card .meta{font-size:.85rem;color:var(--muted)}.card p{margin:.3em 0 .8em}.card .more{margin-top:auto;font-weight:600}
.card svg{max-height:105px;width:auto;max-width:100%}
.fig{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:18px}
figcaption{font-size:.85rem;color:var(--muted);margin-top:8px}
table.spec{width:100%;border-collapse:collapse;background:var(--paper);font-size:.95rem;font-variant-numeric:tabular-nums}
table.spec caption{text-align:left;font-weight:600;padding:0 0 8px}
table.spec th,table.spec td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
table.spec thead th{background:#f1efe8;font-size:.85rem;text-transform:uppercase;letter-spacing:.6px;color:var(--muted)}
table.spec tbody th{font-weight:600;width:34%}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px}
.note{font-size:.88rem;color:var(--muted)}
.ph{background:#fff6d6;border:1px dashed #c9a227;color:#6b5205;padding:1px 6px;border-radius:4px;font-size:.9em}
.callout{border-left:4px solid var(--sand-d);background:var(--sand);padding:14px 18px;border-radius:0 8px 8px 0}
.callout.info{border-color:var(--blue);background:var(--blue-l)}.callout.ok{border-color:var(--sage-d);background:var(--sage)}
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;list-style:none;padding:0}
.steps li{counter-increment:s;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:16px 16px 16px 56px;position:relative}
.steps li:before{content:counter(s);position:absolute;left:14px;top:14px;width:30px;height:30px;border-radius:50%;background:var(--lav);color:var(--lav-d);font-weight:700;display:grid;place-items:center}
.two{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start}
.docs li{margin:6px 0}
dl.reg{display:grid;grid-template-columns:auto 1fr;gap:4px 16px;margin:0}dl.reg dt{color:var(--muted)}dl.reg dd{margin:0}
form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{display:block;font-weight:600;font-size:.92rem;margin:10px 0 4px}
input,select,textarea{width:100%;padding:10px;border:1px solid #c9c6bd;border-radius:7px;font:inherit;background:#fff}
footer.site{background:#eeece5;border-top:1px solid var(--line);padding:40px 0 90px;font-size:.9rem;color:var(--muted)}
footer.site .cols{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:28px}footer.site a{color:#2f5582}
footer.site ul{list-style:none;padding:0;margin:0}footer.site li{margin:4px 0}
.sticky-cta{display:none}
@media(max-width:820px){.hero .grid,.two,footer.site .cols,form .row{grid-template-columns:1fr}.hero{padding:30px 0}
 .sticky-cta{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;gap:8px;padding:10px 12px;background:rgba(255,255,255,.97);border-top:1px solid var(--line);box-shadow:0 -4px 14px rgba(0,0,0,.06)}
 .sticky-cta a{flex:1;text-align:center;padding:12px 6px}
 table.stack thead{display:none}table.stack tr{display:block;border-bottom:1px solid var(--line);padding:6px 0}
 table.stack th,table.stack td{display:block;border:0;padding:3px 12px;width:auto}table.stack td:before{content:attr(data-l);display:block;font-size:.75rem;color:var(--muted);text-transform:uppercase}}
.cookie{position:fixed;bottom:12px;left:12px;max-width:380px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:.85rem;box-shadow:0 6px 20px rgba(0,0,0,.08);z-index:70}
@media(max-width:820px){.cookie{bottom:74px;right:12px;max-width:none}}
.cookie button{margin-top:6px;font:inherit;padding:5px 12px;border-radius:6px;border:1px solid var(--blue);background:var(--blue);color:#fff}
.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:6px}.crumbs a{color:var(--muted)}
.hero .grid>*,.two>*{min-width:0}svg{max-width:100%}
nav.main a,.bar .btn{white-space:nowrap}
/* zh-CN: CJK-friendly font stack */
:lang(zh) body,body:lang(zh),:lang(zh) svg{font-family:"Source Sans 3","Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif}
:lang(zh) h1,:lang(zh) h2,:lang(zh) h3{font-family:"Source Serif 4","PingFang SC","Microsoft YaHei","Noto Sans SC","Noto Serif SC",serif}
/* Team portraits */
.team{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px}
.team .member{align-items:center;text-align:center}
.portrait{width:140px;height:140px;border-radius:50%;object-fit:cover;object-position:center 25%;margin:4px auto 12px;display:block;border:3px solid #fff;box-shadow:0 0 0 1px var(--line)}
.ph-init{display:flex;align-items:center;justify-content:center;background:#e6e9ee;color:#5b6573;font:600 2.2rem/1 "Source Sans 3","Segoe UI",sans-serif;letter-spacing:.04em}
@media (max-width:520px){.team{grid-template-columns:repeat(2,1fr);gap:12px}.portrait{width:110px;height:110px}.ph-init{font-size:1.7rem}}
/* Mobile header: keep PL | EN | 中文 switcher on screen */
@media (max-width:520px){.bar{gap:8px}.bar .wrap,.wrap.bar{padding-left:12px;padding-right:12px}.logo{gap:6px;min-width:0;flex:1 1 auto}.logo svg{width:28px;height:28px}.logo>span{min-width:0;font-size:.92rem}.logo small{font-size:.62rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.menu-t{padding:5px 7px;font-size:.85rem;white-space:nowrap;flex:none}.lang{flex:none;font-size:.75rem}.lang a,.lang span{padding:3px 5px}}
@media (max-width:370px){.logo small{display:none}}

/* ===== v4c warm palette, site-wide (2026-10-22) ===== */
:root{--bg:#fdf8f1;--paper:#fffdf9;--line:#ece2d2;--sand:#fbe9cf;--sand-d:#9a5b12;--sage:#e1f1ec;--sage-d:#1f6f68;--lav:#ede6fa;--lav-d:#55449a;--rose:#fbe3dc;--blue-l:#e4ecf6;
--o:#f28c38;--t:#2a9d8f;--p:#8e7cc3;--y:#ffc94a}
header.site{background:rgba(253,248,241,.96);border-bottom-color:#eadcc6}
header.site:after{content:"";display:block;height:3px;background:linear-gradient(90deg,var(--o),var(--y) 35%,var(--t) 70%,var(--p));opacity:.75}
nav.main a:hover,nav.main a[aria-current]{background:#fdeada;color:#7a3a0f}
a:hover{color:#a8461a}
.btn.primary:hover{color:#fff}.btn.ghost:hover{background:#fdf1e4;color:#2f5582}
.hero{background:radial-gradient(ellipse at 85% 25%,#ffe6cc 0,rgba(255,230,204,0) 55%),radial-gradient(ellipse at 5% 100%,#eee6fa 0,rgba(238,230,250,0) 45%),linear-gradient(180deg,#fbf0e2 0,var(--bg) 100%);border-bottom-color:#eadcc6}
.hero .fig{background:linear-gradient(160deg,#fffaf2,#fff2e4);border-color:#f1dcc2}
.eyebrow{color:#1f6f68}
section.alt{background:#fffaf3;border-color:#efe4d3}
main section>.wrap>h2:after,main section>.wrap>div>h2:after{content:"";display:block;width:46px;height:4px;border-radius:3px;margin-top:.38em;background:linear-gradient(90deg,var(--o),var(--y))}
main section.alt>.wrap>h2:after,main section.alt>.wrap>div>h2:after{background:linear-gradient(90deg,var(--t),var(--p))}
.card,.steps li,.fig,.tablewrap{border-color:#ece0cd}
.card{transition:box-shadow .2s,border-color .2s;box-shadow:0 1px 0 rgba(122,74,18,.04)}
.card:hover{border-color:#f0cfa6;box-shadow:0 6px 18px rgba(154,91,18,.08)}
.badge{background:var(--sage);color:#1b5a54}.badge.sand{background:var(--sand);color:#7a4710}.badge.lav{background:var(--lav);color:#3f3380}.badge.blue{background:var(--blue-l);color:#1d3d60}.badge.rose{background:var(--rose);color:#7a2d22}
.steps li:before{background:linear-gradient(140deg,#ffe1c2,#fbd2a5);color:#7a3a0f}
.steps li:nth-child(3n+2):before{background:linear-gradient(140deg,#d9f1ec,#bfe6de);color:#1b5a54}
.steps li:nth-child(3n):before{background:linear-gradient(140deg,#ece4fa,#ddd1f5);color:#3f3380}
table.spec{background:var(--paper)}table.spec thead th{background:#f8eedf;color:#5a4a36}
.callout{background:#fcf0dd}.callout.info{background:#e8eff8}.callout.ok{background:#e3f2ed}
.portrait{box-shadow:0 0 0 1px #ecdcc4,0 4px 12px rgba(154,91,18,.08)}.ph-init{background:#f3e8da;color:#6b5236}
.cookie{border-color:#ecdcc4}
footer.site{background:#f5ede1;border-top:0;position:relative}
footer.site:before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--t),var(--p) 40%,var(--o) 75%,var(--y));opacity:.7}
.card svg.v4-ill{max-height:112px}
.v4-thumb{background:linear-gradient(160deg,#fff7ec 0,#fdebd8 100%)!important;border:1px solid #f3e0c8}
.card:hover .v4-thumb{background:linear-gradient(160deg,#fff3e2 0,#fbe1c8 100%)!important}
@media (prefers-reduced-motion:no-preference){
.v4-wave{transform-box:fill-box;transform-origin:30% 92%;animation:v4wave 3.4s ease-in-out infinite}
.v4-eyes{transform-box:fill-box;transform-origin:50% 50%;animation:v4blink 5s infinite}
.v4-pulse{animation:v4pulse 3s ease-in-out infinite}
.v4-bubble{animation:v4float 4s ease-in-out infinite}
@keyframes v4wave{0%,60%,100%{transform:rotate(0)}70%{transform:rotate(-10deg)}80%{transform:rotate(5deg)}90%{transform:rotate(-6deg)}}
@keyframes v4pulse{0%,100%{opacity:1}50%{opacity:.45}}
@keyframes v4blink{0%,94%,100%{transform:scaleY(1)}97%{transform:scaleY(.15)}}
@keyframes v4float{0%,100%{transform:translateY(0)}50%{transform:translateY(-3px)}}
}

/* v4 fit matrix */
table.fit{border-collapse:separate;border-spacing:0;width:100%;background:#fffdf8;border:1px solid #f0dcc4;border-radius:14px;overflow:hidden;text-align:center}
table.fit th,table.fit td{padding:10px 8px;border-bottom:1px solid #f3e6d6}
table.fit tbody tr:last-child th,table.fit tbody tr:last-child td{border-bottom:0}
table.fit thead tr.grp th{background:#fbeedd;color:#7a4a1f;font-size:13px;letter-spacing:.06em;text-transform:uppercase;padding:8px}
table.fit thead tr.grp th.h{background:#fde6d2}table.fit thead tr.grp th.q{background:#dff1ec;color:#1f6b5c}
table.fit thead tr.mdl th{background:#fff4e6;font-weight:700}
table.fit tbody th{text-align:left;font-weight:600;background:#fffaf2;min-width:220px}
table.fit tbody tr:nth-child(even) td{background:#fffaf3}
table.fit tbody tr:hover td,table.fit tbody tr:hover th{background:#fff1df}
.fit-c{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:13px;font-weight:600;white-space:nowrap}
.fit-c i{font-style:normal;font-size:14px}
.fit-y{background:#d9f2e6;color:#145c3a}.fit-m{background:#fff0c9;color:#7a5600}.fit-n{background:#f1eeea;color:#77706a}
.fit-legend{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px;font-size:14px;align-items:center}
@media (max-width:760px){.fit-c b{display:none}}
.fit-legend .fit-c b{display:inline!important}
/* unified internal meta notes: same look as the top review banner */
.ph,.meta-note{background:#fde8e8!important;color:#8a1f1f!important;border:1px dashed #f3b6b6!important;font:600 .82rem/1.4 sans-serif!important;border-radius:4px;padding:1px 6px}
figcaption.meta-note{display:block;padding:6px 10px;margin-top:8px}
figcaption.meta-note .ph{border:0!important;padding:0}
/* meta notes: smaller and quieter */
.ph,.meta-note{font:500 .7rem/1.35 sans-serif!important;padding:0 5px;border-style:dotted!important;opacity:.9;vertical-align:middle}
figcaption.meta-note{padding:4px 8px;display:inline-block}
/* v4 version photos under homepage robot cards */
.v4-photo{display:block;margin-top:12px;border-radius:10px;overflow:hidden;background:#fff7ec}
.v4-photo img{display:block;width:100%;height:auto;aspect-ratio:1200/753;object-fit:cover;transition:transform .25s}
.v4-photo:hover img{transform:scale(1.03)}
.v4-photo-src{margin:4px 0 0;font-size:.7rem;color:#8a8399}
/* v4 photos as small thumbnails beside the specs link */
.v4-specrow{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:10px}
.v4-specrow .more{margin:0}
.v4-thumbfig{margin:0;flex:0 0 auto;width:84px;text-align:center}
.v4-specrow .v4-photo{margin:0;width:84px;height:56px;border-radius:8px;border:1px solid #f0e3d0}
.v4-specrow .v4-photo img{width:84px;height:56px;aspect-ratio:auto;object-fit:cover}
.v4-specrow .v4-photo-src{font-size:.6rem;line-height:1.2;margin-top:2px}
.v4-specrow{justify-content:flex-start!important;gap:12px}
.v4-specrow .more{flex:0 1 auto}
/* v4 fit matrix stays a real table on phones (scrolls sideways) */
@media (max-width:820px){
 table.fit.stack{display:table;min-width:620px}
 table.fit.stack thead{display:table-header-group}
 table.fit.stack tr{display:table-row;border:0;padding:0}
 table.fit.stack th,table.fit.stack td{display:table-cell;border-bottom:1px solid #f3e6d6;padding:7px 5px;font-size:12px}
 table.fit.stack td:before{content:none;display:none}
 table.fit.stack tbody th{min-width:120px;position:sticky;left:0;z-index:1;font-size:12.5px}
 table.fit.stack thead tr.grp th{font-size:11px}
 .fit-c{padding:3px 8px;font-size:12px}
}

/* v4 step icons (draft) */
.v4-steps{display:flex;align-items:stretch;gap:6px;flex-wrap:nowrap;margin:0;padding:0;list-style:none}
.v4-steps li{flex:1 1 0;background:#fffdf8;border:1px solid #ece0cd;border-radius:14px;padding:12px 8px 12px;text-align:center;position:relative;min-width:0}
.v4-steps li+li:before{content:"";position:absolute;left:-7px;top:38px;width:8px;height:8px;border-top:2px solid #c9b8a4;border-right:2px solid #c9b8a4;transform:rotate(45deg)}
.v4-stepico{display:block;margin:0 auto 6px}
.v4-steps b{display:block;font-size:.95rem;color:#2b2d42}
.v4-steps span{display:block;font-size:.8rem;color:#6b6478;line-height:1.3;margin-top:2px}
@media (max-width:820px){.v4-steps{flex-wrap:wrap;gap:10px}.v4-steps li{flex:1 1 calc(33% - 10px)}.v4-steps li+li:before{display:none}}
@media (max-width:480px){.v4-steps li{flex:1 1 calc(50% - 10px)}}

/* v4 R&D heading icons (draft) */
h2.v4-h2i .v4-h2ico{display:inline-block;vertical-align:middle;width:44px;height:44px;margin:-6px 10px 0 0}
@media (max-width:480px){h2.v4-h2i .v4-h2ico{width:36px;height:36px}}

/* v4 integration gravitas + Unitree logo (draft) */
.v4-brandline{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:2px 0 12px;font-size:.85rem;color:#5b5f73}
.v4-brandline img{height:22px;width:auto;display:block}
.v4-integ{background:linear-gradient(135deg,#fff1e0 0%,#fde6d2 55%,#f3e8ff 100%);border-top:1px solid #f1d9bf;border-bottom:1px solid #f1d9bf;padding:56px 0}
.v4-integ h2{font-size:clamp(1.7rem,3.2vw,2.4rem)}
.v4-integ .lead{max-width:760px}
.v4-integ .v4-steps li{background:#fff;box-shadow:0 4px 14px rgba(150,90,30,.10)}
.v4-integ .card{border-top:4px solid #ff9f43;box-shadow:0 6px 18px rgba(150,90,30,.10)}

/* v16 integration page: prose, building blocks, out-of-the-box vs integration (draft) */
.v4-integ .v4-prose{max-width:820px}.v4-integ .v4-prose p{margin:.7em 0}
.v4-blocks{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.v4-blocks .card h3{margin:.1em 0 .2em;font-size:1.05rem}
table.v4-vs+.v4-prose{margin-top:18px}
.v4-vs-h{margin:34px 0 12px}
.v4-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
table.v4-vs{width:100%;border-collapse:separate;border-spacing:0;background:#fffdf8;border:1px solid #f0dcc4;border-radius:14px;overflow:hidden;font-size:.95rem;box-shadow:0 6px 18px rgba(150,90,30,.08)}
table.v4-vs th,table.v4-vs td{padding:11px 14px;text-align:left;vertical-align:top;border-bottom:1px solid #f3e6d6}
table.v4-vs tbody tr:last-child th,table.v4-vs tbody tr:last-child td{border-bottom:0}
table.v4-vs thead th{font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;background:#fbeedd;color:#7a4a1f}
table.v4-vs thead th.v4-vs-a{background:#f6efe4;color:#6b5a48}
table.v4-vs thead th.v4-vs-b{background:#dff1ec;color:#1f6b5c}
table.v4-vs tbody th{font-weight:600;background:#fffaf2;width:22%;color:#5a4a36}
table.v4-vs td.v4-vs-a{color:#5b5f6b}
table.v4-vs td.v4-vs-b{background:#f4fbf8;color:#1f3d38}
table.v4-vs td.v4-vs-b:before{content:"\2713\00a0";color:#2a9d8f;font-weight:700}
@media (max-width:720px){
 table.v4-vs thead{display:none}
 table.v4-vs,table.v4-vs tbody,table.v4-vs tr,table.v4-vs tbody th,table.v4-vs td{display:block;width:auto}
 table.v4-vs tr{border-bottom:1px solid #f0dcc4}table.v4-vs tbody tr:last-child{border-bottom:0}
 table.v4-vs tbody th{border-bottom:0;padding:10px 14px 4px;background:#fbeedd}
 table.v4-vs td{border-bottom:0;padding:6px 14px 10px}
 table.v4-vs td:before,table.v4-vs td.v4-vs-b:before{display:block;content:attr(data-l);font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:#8a7a66;margin-bottom:2px;font-weight:600}
}
.v4-src{margin-top:16px}
main .tablewrap+h3{margin-top:1.5em}
/* v16 R&D: code placeholder and code blocks (warm palette) */
.v4-codebox{margin:6px 0 4px;background:#fffaf2;border:1px dashed #e8cfa9;border-radius:12px;padding:12px 14px}
.ph.v4-ph-block{display:block;margin:0;padding:8px 12px}
.v4-codefig{margin:12px 0 0}
.v4-code-label{display:inline-block;font:600 .78rem/1.4 sans-serif;padding:2px 10px;border-radius:99px;background:var(--sand);color:#7a4710;margin:0 0 6px}
pre.v4-code{margin:0;background:#fff6ea;border:1px solid #ecd9bd;border-left:4px solid var(--o);border-radius:10px;padding:14px 16px;overflow-x:auto;font:13px/1.55 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:#3b2f25}
/* v17: header fit at 1101-1366px (PL nav is longest); keep language switcher intact */
.lang{flex:none}
.lang a,.lang span{white-space:nowrap}
@media(min-width:1101px) and (max-width:1366px){nav.main ul{gap:1px}nav.main a{padding:8px 6px;font-size:.88rem}}

/* robots hub thicken 2026-10-23 */
ul.card-specs{margin:8px 0 10px;padding-left:1.1em;font-size:.92em;line-height:1.45;color:var(--muted,#445)}
ul.card-specs li{margin:.2em 0}
ul.card-specs strong{color:inherit;font-weight:600}

/* v5 2026-10-29: logo from neohumanoidx.com (white wordmark) on a dark chip */
.logo-chip{display:inline-flex;align-items:center;background:#0b0f14;border-radius:8px;padding:6px 10px;flex:none}
.logo-chip img{display:block;height:22px;width:auto}
@media(max-width:560px){.logo-chip img{height:18px}}