/* 自托管字体（latin 子集，可变字重）；中文由系统字体回落 */
@font-face{font-family:"Space Grotesk";font-style:normal;font-weight:300 700;font-display:swap;src:url(/assets/fonts/space-grotesk.woff2) format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:100 900;font-display:swap;src:url(/assets/fonts/inter.woff2) format("woff2")}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:100 800;font-display:swap;src:url(/assets/fonts/jetbrains-mono.woff2) format("woff2")}
:root{
  --paper:#FFFFFF; --tile:#F5F5F5; --tile-b:#EBEBEB; --panel:#FAFAFA;
  --ink:#0E0E0E; --strong:#262626; --body:#333333; --muted:#4C4C4C; --faint:#6B6B6B; --ghost:var(--faint);
  --line:#E5E5E5; --line-s:#F0F0F0;
  --acc:#555FFF; --acc-soft:#F0F1FF; --acc-ink:#3A43D6;
  --ok:#178F60;
  --sh:0 1px 2px rgba(20,20,20,.03),0 16px 40px -28px rgba(20,20,20,.22);
  --e:cubic-bezier(.4,0,.2,1);
  --nav:78px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--body);
  font-family:Inter,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:14.5px;line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3,h4,.disp{font-family:"Space Grotesk","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Inter,system-ui,sans-serif;color:var(--ink);margin:0;text-wrap:balance}
h1{font-size:clamp(34px,4.5vw,54px);line-height:1.06;font-weight:700;letter-spacing:-.032em}
h2{font-size:clamp(26px,3vw,36px);line-height:1.2;font-weight:700;letter-spacing:-.026em}
h3{font-size:17px;line-height:1.35;font-weight:600;letter-spacing:-.015em}
.mono{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,monospace;font-variant-numeric:tabular-nums}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible{outline:2px solid var(--acc);outline-offset:3px;border-radius:4px}
img{max-width:100%}

html[lang="en"] .zh{display:none!important}
html[lang="zh"] .en{display:none!important}
html[lang="zh"] body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Inter,system-ui,sans-serif}
html[lang="zh"] h1{font-size:clamp(29px,3.85vw,46px);font-weight:600;letter-spacing:0;line-height:1.3}
html[lang="zh"] h2{font-size:clamp(23px,2.65vw,32px);font-weight:600;letter-spacing:0;line-height:1.38}

/* ---- nav ---- */
nav{position:sticky;top:0;z-index:60;height:var(--nav);display:flex;align-items:center;background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid transparent;transition:border-color .3s var(--e)}
nav.scrolled{border-bottom-color:var(--line)}
.navin{width:100%;max-width:1140px;margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:28px}
.logo{font-family:"Space Grotesk","PingFang SC","Microsoft YaHei",Inter,system-ui,sans-serif;font-weight:700;font-size:16px;color:var(--ink);letter-spacing:-.02em;white-space:nowrap}
.logo b{color:var(--acc)}
.navlinks{display:flex;gap:26px;margin:0 auto;font-size:13.5px;font-weight:500;color:#5A5A5A}
.navlinks a{position:relative;padding:3px 0;transition:color .25s var(--e)}
.navlinks a:hover,.navlinks a.on{color:var(--ink)}
.navlinks a::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:1.5px;background:var(--ink);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .35s var(--e)}
.navlinks a.on::after,.navlinks a:hover::after{transform:scaleX(1)}
.lang{font-family:"JetBrains Mono",monospace;font-size:11.5px;letter-spacing:.08em;border:1px solid var(--line);border-radius:999px;padding:6px 13px;background:#fff;cursor:pointer;color:#5A5A5A;transition:.25s var(--e)}
.lang:hover{border-color:var(--ink);color:var(--ink)}
@media(max-width:860px){.navlinks{display:none}}

.wrap{max-width:1140px;margin:0 auto;padding:0 24px}
.bleed{max-width:1320px;margin:0 auto;padding:0 24px}
.wallsec.bleed{max-width:1440px}

/* ---- section rhythm ---- */
section{padding-top:140px}
@media(max-width:760px){section{padding-top:88px}}
.shead{display:flex;align-items:flex-end;justify-content:space-between;gap:56px;margin-bottom:56px}
.shead .lft{flex:1 1 auto;min-width:0;max-width:640px}
.shead .lft h2{max-width:18ch}
.shead .rgt{flex:0 0 auto;width:340px;padding-bottom:6px}
.shead .rgt p{margin:0;color:var(--muted);font-size:14.5px}
@media(max-width:860px){.shead{flex-direction:column;align-items:flex-start;gap:20px;margin-bottom:38px}.shead .lft,.shead .rgt{max-width:none}}
.eyebrow{display:flex;align-items:center;gap:9px;font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin-bottom:20px}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--acc)}
.num-i{font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--acc);letter-spacing:.1em}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 21px;border-radius:999px;font-weight:600;font-size:14px;transition:transform .25s var(--e),background .25s var(--e),border-color .25s var(--e),color .25s var(--e)}
.btn svg{width:13px;height:13px;transition:transform .25s var(--e)}
.btn:hover{transform:translateY(-1px)}
.btn:hover svg{transform:translateX(3px)}
.btn.dark{background:var(--ink);color:#fff}
.btn.dark:hover{background:#000}
.btn.ghost{border:1px solid var(--line);color:var(--ink);background:#fff}
.btn.ghost:hover{border-color:var(--ink)}
.tlink{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;font-weight:500;color:var(--ink);white-space:nowrap}
.tlink svg{width:12px;height:12px;transition:transform .25s var(--e)}
.tlink:hover svg{transform:translate(2px,-2px)}

/* ---- hero ---- */
.herowrap{display:flex;flex-direction:column;padding-bottom:14px}
.hero{display:flex;flex-direction:column;align-items:center;text-align:center;padding:clamp(84px,11vh,132px) 0 clamp(64px,8vh,96px)}
.hero h1{max-width:22ch}
.hero .sub{max-width:50ch;margin:22px auto 0;color:var(--body);font-size:15.5px;line-height:1.62}
.ctas{display:flex;gap:11px;justify-content:center;margin-top:32px;flex-wrap:wrap}
.hero h1,.hero .sub,.hero .ctas{animation:rise .9s var(--e) both}
.hero .sub{animation-delay:.09s}.hero .ctas{animation-delay:.17s}
@keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}

/* ---- tile field ---- */
.field{display:grid;gap:3px}
.field i{font-style:normal;aspect-ratio:1;background:var(--tile);border-radius:4px;display:flex;align-items:center;justify-content:center;color:var(--ghost);transition:background .55s var(--e),color .35s,transform .35s var(--e)}
.field i svg{width:36%;height:36%;stroke:currentColor;fill:none;stroke-width:1.35;stroke-linecap:round;stroke-linejoin:round;opacity:0;transform:scale(.5);transition:opacity .55s var(--e),transform .55s cubic-bezier(.34,1.56,.64,1)}
.field i.show svg{opacity:1;transform:none}
.field i.acc{color:var(--acc)}
.field i.hot{background:#E8EAFF}
.field i.spark{background:var(--acc-soft)}
.field i.near{background:#EFEFEF;transform:translateY(-2px)}
.field i.lab{grid-column:span 3;aspect-ratio:auto;background:#fff;font-family:"Space Grotesk","PingFang SC","Microsoft YaHei",Inter,system-ui,sans-serif;font-weight:600;font-size:13.5px;color:var(--ink);transform:none}
.field i.lab a{display:inline-flex;align-items:center;gap:6px;transition:color .25s var(--e)}
.field i.lab a:hover{color:var(--acc)}

/* ---- reveal ---- */
.rv{opacity:0;transform:translateY(20px);transition:opacity .8s var(--e),transform .8s var(--e)}
.rv.in{opacity:1;transform:none}

/* ---- numbered rows ---- */
.rows{border-top:1px solid var(--line)}
.row{display:grid;grid-template-columns:52px 1fr 1.15fr;gap:36px;padding:32px 12px;border-bottom:1px solid var(--line);align-items:baseline;transition:background .35s var(--e),padding-left .35s var(--e)}
.row:hover{background:var(--panel);padding-left:20px}
.row .idx{font-family:"JetBrains Mono",monospace;font-size:11.5px;color:var(--faint);letter-spacing:.06em;transition:color .3s var(--e)}
.row:hover .idx{color:var(--acc)}
.row .meta{color:var(--muted);font-size:14px;margin:0}
@media(max-width:760px){.row{grid-template-columns:40px 1fr;gap:16px 14px;padding:24px 0}.row .meta{grid-column:2}.row:hover{padding-left:0}}

/* ---- panels / cards ---- */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:36px}
@media(max-width:600px){.panel{padding:22px;border-radius:14px}}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px 26px;transition:transform .35s var(--e),box-shadow .35s var(--e),border-color .35s var(--e)}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh);border-color:#D6D6D6}
.lbl{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint)}
.chip{display:inline-flex;align-items:center;font-family:"JetBrains Mono",monospace;font-size:11.5px;letter-spacing:.03em;padding:6px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--body);transition:.25s var(--e)}
.chip:hover{border-color:#C9C9C9;color:var(--ink)}
.chip.acc{border-color:transparent;background:var(--acc-soft);color:var(--acc-ink)}
.chips{display:flex;gap:8px;flex-wrap:wrap;align-items:center}

/* ---- matrix ---- */
.mtx-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.matrix{width:100%;min-width:700px;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.matrix th,.matrix td{padding:0 18px;height:64px;text-align:center;border-bottom:1px solid var(--line-s);font-size:14px}
.matrix th{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);font-weight:500;height:48px;background:var(--panel)}
.matrix th:first-child,.matrix td:first-child{text-align:left;width:32%;color:var(--ink);font-weight:500;border-right:1px solid var(--line-s)}
.matrix tr:last-child td{border-bottom:none}
.matrix tr.us td{background:var(--acc-soft);position:relative}
.matrix tr.us td:first-child{color:var(--acc-ink);font-weight:600}
.dot{width:13px;height:13px;border-radius:50%;border:1.8px solid var(--ink);display:inline-block;vertical-align:middle;transform:scale(0);transition:transform .5s cubic-bezier(.34,1.56,.64,1) var(--d,0s)}
.matrix.in .dot,.legend .dot{transform:scale(1)}
.dot.f{background:var(--ink)}
.dot.h{background:linear-gradient(90deg,var(--ink) 50%,transparent 50%)}
.dot.e{border-color:#C9C9C9}
tr.us .dot{border-color:var(--acc)}tr.us .dot.f{background:var(--acc)}
.legend{display:flex;gap:22px;margin-top:16px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.legend span{display:inline-flex;align-items:center;gap:8px}
.claim{margin-top:34px;padding-top:28px;border-top:1px solid var(--line);font-family:"Space Grotesk","PingFang SC","Microsoft YaHei",Inter,system-ui,sans-serif;font-size:19px;font-weight:600;color:var(--ink);letter-spacing:-.02em}

/* ---- media band ---- */
.band{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:760px){.band{grid-template-columns:1fr}}
.frame{position:relative;border-radius:14px;overflow:hidden;background:#0E0E0E;aspect-ratio:16/10;transition:transform .45s var(--e),box-shadow .45s var(--e)}
.frame:hover{transform:translateY(-4px);box-shadow:0 24px 48px -28px rgba(20,20,20,.45)}
.frame img{display:block;width:100%;height:100%;object-fit:cover;transition:transform 1.4s var(--e)}
.frame:hover img{transform:scale(1.04)}
.frame .cap{position:absolute;left:14px;bottom:14px;display:flex;gap:7px;align-items:center}
.frame .cap span{background:rgba(20,20,20,.7);color:#fff;font-family:"JetBrains Mono",monospace;font-size:10.5px;padding:5px 10px;border-radius:6px;backdrop-filter:blur(8px)}
.frame .lr{position:absolute;top:14px;right:14px;display:flex;gap:5px}
.frame .lr span{width:7px;height:7px;border-radius:50%;background:#fff;opacity:.5}
.frame .lr span:first-child{background:var(--acc);opacity:1;box-shadow:0 0 0 3px rgba(85,95,255,.3)}

/* ---- stat strip ---- */
.strip{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;margin-top:14px}
.strip>div{padding:26px 24px;border-right:1px solid var(--line-s);min-width:0}
.strip>div:last-child{border-right:none}
@media(max-width:860px){.strip{grid-template-columns:1fr 1fr}.strip>div:nth-child(2n){border-right:none}.strip>div:nth-child(-n+2){border-bottom:1px solid var(--line-s)}}
@media(max-width:480px){.strip{grid-template-columns:1fr}.strip>div{border-right:none;border-bottom:1px solid var(--line-s)}}
.strip .v{font-family:"Space Grotesk","PingFang SC",Inter,system-ui,sans-serif;font-size:clamp(26px,3vw,34px);font-weight:700;color:var(--ink);letter-spacing:-.035em;line-height:1}
.strip .v small{font-size:.44em;font-weight:500;color:#767676;margin-left:4px;letter-spacing:0}
.strip .v.ok{color:var(--ok)}
.strip .k{margin-top:11px;font-size:13px;color:var(--muted);line-height:1.5}
.strip .kk{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);margin-bottom:14px}

/* ---- repo bar ---- */
.repobar{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:18px 24px;border:1px solid var(--line);border-radius:14px;background:#fff;margin-top:14px}
.repobar .repo{font-family:"JetBrains Mono",monospace;font-size:13.5px;color:var(--ink)}
.repobar .sp{flex:1;min-width:20px}

/* ---- timeline ---- */
.tl{position:relative;height:104px;border:1px solid var(--line);border-radius:14px;background:#fff;overflow:hidden}
.tl svg{position:absolute;inset:0;width:100%;height:100%}
.tl .tlab{position:absolute;left:20px;top:14px;font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);z-index:2}
.tl .tlab b{color:var(--acc);font-weight:500}
.tl .bgimg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5}

/* ---- schematic ---- */
.schem{position:relative;border:1px solid var(--line);border-radius:16px;background:#fff;padding:28px;overflow:hidden}
.schem svg.dia{width:100%;height:auto;display:block;max-height:360px;margin:6px auto 0}
.schem .lbl{position:absolute;left:24px;top:20px}
.schem text{font-family:"JetBrains Mono",ui-monospace,monospace;font-size:10.5px;fill:#767676;stroke:none;letter-spacing:.05em}
.schem text.k{fill:#333333;font-weight:500}
.lensdot{animation:pulse 3.2s var(--e) infinite}
@keyframes pulse{0%,100%{opacity:.2}12%{opacity:1}34%{opacity:.2}}
.rec{animation:blink 1.7s steps(1) infinite}
@keyframes blink{50%{opacity:.12}}
.fov{stroke-dasharray:4 5;animation:dash 7s linear infinite}
@keyframes dash{to{stroke-dashoffset:-54}}

/* ---- tables ---- */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:#fff}
.tbl{width:100%;min-width:480px;border-collapse:collapse;font-size:13.5px}
.tbl th,.tbl td{text-align:left;padding:14px 20px;border-bottom:1px solid var(--line-s);vertical-align:top}
.tbl th{font-family:"JetBrains Mono",monospace;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);font-weight:500;background:var(--panel)}
.tbl tr:last-child td{border-bottom:none}
.tbl td:first-child{color:var(--ink);font-weight:500;width:36%}
.tbl tbody tr{transition:background .3s var(--e)}
.tbl tbody tr:hover{background:var(--panel)}

/* ---- scenario grid ---- */
.scn{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
@media(max-width:860px){.scn{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.scn{grid-template-columns:1fr}}
.scn figure{margin:0;position:relative;border-radius:14px;overflow:hidden;background:var(--tile);aspect-ratio:4/3;transition:transform .45s var(--e),box-shadow .45s var(--e)}
.scn figure:hover{transform:translateY(-4px);box-shadow:var(--sh)}
.scn img{display:block;width:100%;height:100%;object-fit:cover;transition:transform 1.5s var(--e)}
.scn figure:hover img{transform:scale(1.05)}
.scn .ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#C4C4C4}
.scn .ph svg{width:30px;height:30px;stroke:currentColor;fill:none;stroke-width:1.3;stroke-linecap:round;stroke-linejoin:round}
.scn figcaption{position:absolute;left:12px;bottom:12px;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-radius:7px;padding:6px 11px;font-size:12.5px;color:var(--ink);font-weight:500}

/* ---- addon ---- */
.addon{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}
@media(max-width:860px){.addon{grid-template-columns:1fr}}
.addon .txt{padding:34px}
.addon .pic{background:var(--tile);position:relative;min-height:240px}
.addon .pic img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.addon .pic .ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}

/* ---- about ---- */
.about{display:grid;grid-template-columns:1.15fr 1fr;gap:56px}
@media(max-width:860px){.about{grid-template-columns:1fr;gap:34px}}
.roles{display:grid;gap:0;border-top:1px solid var(--line)}
.roles .r{display:grid;grid-template-columns:auto 1fr;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
.roles .r i{width:6px;height:6px;border-radius:50%;background:var(--acc);margin-top:8px;font-style:normal}
.roles .r p{margin:5px 0 0;font-size:13.5px;color:var(--muted)}
.facts{display:grid;gap:12px;align-content:start}
.facts .f{border:1px solid var(--line);border-radius:12px;padding:18px 20px;transition:border-color .35s var(--e)}
.facts .f:hover{border-color:#D6D6D6}
.facts .f p{margin:10px 0 0;color:var(--ink);font-size:14px}

/* ---- CTA ---- */
.cta{margin-top:20px;background:var(--ink);color:#fff;border-radius:18px;padding:52px 44px;display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;position:relative;overflow:hidden}
@media(max-width:860px){.cta{grid-template-columns:1fr;padding:34px 26px;gap:26px}}
.cta::before{content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(85,95,255,.26),transparent 68%)}
.cta h3{color:#fff;font-size:clamp(21px,2.4vw,28px);line-height:1.25;letter-spacing:-.024em;max-width:24ch;position:relative}
.cta p{margin:14px 0 0;color:#A8A8A8;font-size:14px;max-width:50ch;position:relative}
.cta .btn{background:#fff;color:var(--ink);position:relative}
.cta .btn:hover{background:#EFEFEF}

/* ---- footer ---- */
footer{margin-top:140px;border-top:1px solid var(--line);padding:60px 0 40px;font-size:13.5px;color:var(--muted)}
.ft-top{display:grid;grid-template-columns:1.6fr repeat(3,minmax(130px,.72fr));gap:40px 32px;align-items:start}
.ft-brand .logo{display:block;margin-bottom:14px}
.ft-brand p{margin:0 0 20px;max-width:34ch;line-height:1.65}
.ft-mail{display:inline-flex;align-items:center;gap:8px;font-family:"JetBrains Mono",monospace;font-size:12.5px;letter-spacing:.01em;color:var(--ink);border:1px solid var(--line);border-radius:999px;padding:9px 15px;transition:border-color .25s var(--e),background .25s var(--e)}
.ft-mail:hover{border-color:var(--ink);background:var(--panel)}
.ft-mail svg{width:12px;height:12px;transition:transform .25s var(--e)}
.ft-mail:hover svg{transform:translate(2px,-2px)}
.ft-col .lbl{display:block;margin-bottom:14px}
.ft-col a{display:block;padding:5px 0;color:var(--body);transition:color .25s var(--e),transform .25s var(--e)}
.ft-col a:hover{color:var(--ink);transform:translateX(2px)}
.ft-bot{display:flex;justify-content:space-between;align-items:center;gap:16px 28px;flex-wrap:wrap;margin-top:52px;padding-top:22px;border-top:1px solid var(--line-s);font-size:12.5px;color:var(--faint)}
.ft-bot .mono{font-size:11px;letter-spacing:.04em}
.ft-bot a{color:var(--faint);transition:color .25s var(--e)}
.ft-bot a:hover{color:var(--ink)}
@media(max-width:860px){.ft-top{grid-template-columns:repeat(3,1fr);gap:36px 24px}.ft-brand{grid-column:1/-1}}
@media(max-width:520px){.ft-top{grid-template-columns:1fr 1fr}.ft-col:last-child{grid-column:1/-1}}

@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important;animation:none!important}.rv{opacity:1;transform:none}.dot{transform:scale(1)}.field i svg{opacity:1;transform:none}}

/* ---- definition lines (replaces spec cards) ---- */
.deflist{border-top:1px solid var(--line)}
.defrow{display:grid;grid-template-columns:200px 1fr;gap:32px;padding:16px 12px;border-bottom:1px solid var(--line-s);align-items:baseline;transition:background .3s var(--e)}
.defrow:hover{background:var(--panel)}
.defrow dt{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);margin:0}
.defrow dd{margin:0;font-size:14.5px;color:var(--ink);font-weight:500}
.defrow dd .u{color:var(--muted);font-weight:400}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:0 56px}
@media(max-width:860px){.two-col{grid-template-columns:1fr;gap:0}.defrow{grid-template-columns:150px 1fr;gap:20px}}
@media(max-width:520px){.defrow{grid-template-columns:1fr;gap:5px;padding:14px 0}}

/* ---- 06 QC readout ---- */
.pipe{position:relative}
.pipe::after{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--acc);transform:scaleX(0);transform-origin:left;transition:transform 1.3s var(--e) .25s}
.pipe.in::after{transform:none}
.qc{background:var(--ink);color:#fff;border-radius:18px;padding:24px 30px 20px;position:relative;overflow:hidden}
.qc::before{content:"";position:absolute;left:-120px;bottom:-160px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(85,95,255,.22),transparent 68%);pointer-events:none}
.qc-head{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:#B4B4B4;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.1);position:relative}
.qc-t{display:inline-flex;align-items:center}
.qc-t i{width:7px;height:7px;border-radius:50%;background:#8E95FF;display:inline-block;margin-right:10px;animation:blink 1.8s var(--e) infinite}
.qc-sum{color:#fff;font-variant-numeric:tabular-nums}
.qc-list{list-style:none;margin:0;padding:0;position:relative}
.qc-list li{display:grid;grid-template-columns:30px 58px 1fr auto;gap:18px;align-items:start;padding:19px 0;border-bottom:1px solid rgba(255,255,255,.08);opacity:0;transform:translateX(-10px);transition:opacity .55s var(--e) calc(var(--i)*.16s),transform .55s var(--e) calc(var(--i)*.16s)}
.qc-list li:last-child{border-bottom:none}
.qc.in .qc-list li{opacity:1;transform:none}
.qc-st svg{width:22px;height:22px;display:block;fill:none;stroke:#8E95FF;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;margin-top:1px}
.qc-st circle{stroke-dasharray:60;stroke-dashoffset:60;transition:stroke-dashoffset .7s var(--e) calc(var(--i)*.16s + .3s)}
.qc-st path{stroke-dasharray:16;stroke-dashoffset:16;transition:stroke-dashoffset .4s var(--e) calc(var(--i)*.16s + .9s)}
.qc.in .qc-st circle,.qc.in .qc-st path{stroke-dashoffset:0}
.qc-id{font-family:"JetBrains Mono",monospace;font-size:11.5px;color:#8E95FF;letter-spacing:.06em;padding-top:4px}
.qc-body h3{color:#fff;font-size:15.5px;margin:0 0 6px}
.qc-body p{margin:0;color:#B4B4B4;font-size:13.5px;line-height:1.6;max-width:64ch}
.qc-res{font-family:"JetBrains Mono",monospace;font-size:11.5px;color:var(--faint);background:#fff;border:1px solid var(--line);border-radius:6px;padding:5px 10px;white-space:nowrap;letter-spacing:.02em}
.qc-foot{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px;padding-top:16px;border-top:1px solid rgba(255,255,255,.1);position:relative}
.qc-foot>span{font-family:"JetBrains Mono",monospace;font-size:10.5px;letter-spacing:.06em;color:#B4B4B4;border:1px solid rgba(255,255,255,.14);border-radius:5px;padding:4px 9px}
@media(max-width:860px){.qc{padding:20px 20px 16px}.qc-list li{grid-template-columns:26px 1fr;gap:8px 12px}.qc-id{display:none}.qc-res{grid-column:2;justify-self:start}}

/* ---- 07 point field + capability grid ---- */
.about2{display:grid;grid-template-columns:1.08fr 1fr;gap:14px;align-items:stretch}
@media(max-width:860px){.about2{grid-template-columns:1fr}}
.pts{position:relative;border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden;min-height:320px}
.pts svg{display:block;position:absolute;inset:0;width:100%;height:100%}
.pts .tlab{position:absolute;left:20px;top:16px;font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);z-index:2}
.pts .tlab b{color:var(--acc);font-weight:500}
.pts .big{position:absolute;right:22px;bottom:12px;z-index:2;font-family:"Space Grotesk","PingFang SC",Inter,system-ui,sans-serif;font-size:clamp(44px,5vw,64px);font-weight:700;letter-spacing:-.045em;color:var(--ink);line-height:1;font-variant-numeric:tabular-nums}
.pts .big small{font-size:.26em;font-weight:500;color:var(--faint);letter-spacing:.02em;margin-left:7px;vertical-align:.55em}
.pts circle{fill:#CFCFCF;opacity:0;transform:scale(.2);transform-origin:center;transform-box:fill-box;transition:opacity .45s var(--e) var(--d),transform .65s cubic-bezier(.34,1.56,.64,1) var(--d)}
.pts circle.a{fill:var(--acc)}
.pts.in circle{opacity:1;transform:none}
.cap-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:520px){.cap-grid{grid-template-columns:1fr}}
.capc{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:24px 22px 22px;transition:transform .4s var(--e),box-shadow .4s var(--e),border-color .3s var(--e)}
.capc:hover{transform:translateY(-3px);box-shadow:var(--sh);border-color:#D6D6D6}
.capc .idx{font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--acc);letter-spacing:.1em}
.capc h3{font-size:15.5px;margin:12px 0 8px}
.capc p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.6}
.strip .v.txt{font-size:clamp(17px,1.5vw,20px);letter-spacing:-.02em;line-height:1.25}

/* ---- 08 stepper ---- */
.steps{position:relative;padding-top:18px}
.steps .rail{position:absolute;left:17px;right:17px;top:34px;height:2px;background:var(--line)}
.steps .rail i{display:block;height:100%;background:var(--acc);transform:scaleX(0);transform-origin:left;transition:transform 1.6s var(--e) .1s}
.steps.in .rail i{transform:none}
.steps ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:22px;position:relative}
.steps li{padding-right:6px;min-width:0}
.steps .node{width:34px;height:34px;border-radius:50%;background:#fff;border:1.8px solid var(--ink);display:flex;align-items:center;justify-content:center;font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.06em;color:var(--ink);transform:scale(0);transition:transform .55s cubic-bezier(.34,1.56,.64,1) calc(.25s + var(--i)*.24s)}
.steps.in .node{transform:none}
.steps li.pivot .node{background:var(--acc);border-color:var(--acc);color:#fff;box-shadow:0 0 0 5px var(--acc-soft)}
.steps h3{font-size:15.5px;margin:18px 0 8px}
.steps p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.6}
.steps .chips.mini{margin-top:12px;gap:6px}
.steps .chips.mini .chip{font-size:10.5px;padding:4px 9px}
@media(max-width:860px){.steps ol{grid-template-columns:1fr;gap:28px;padding-left:54px}.steps .rail{left:16px;right:auto;top:0;bottom:0;width:2px;height:auto}.steps .rail i{transform:scaleY(0);transform-origin:top}.steps.in .rail i{transform:none}.steps li{position:relative}.steps .node{position:absolute;left:-54px;top:-2px}.steps h3{margin-top:2px}}
.cta .cta-pts{position:absolute;right:-60px;top:-40px;width:560px;height:auto;opacity:.16;pointer-events:none}
.cta .cta-pts circle{fill:#8E95FF}
.cta .cta-pts circle.a{fill:#fff}

/* ---- image wall ---- */
.wallsec{position:relative;margin-top:14px;max-width:1680px}
.wall{display:grid;grid-template-columns:repeat(9,1fr);gap:4px}
@media(max-width:1000px){.wall{grid-template-columns:repeat(6,1fr)}}
@media(max-width:600px){.wall{grid-template-columns:repeat(4,1fr)}}
.wall figure{margin:0;position:relative;aspect-ratio:3/2;border-radius:5px;overflow:hidden;background:var(--tile) repeating-linear-gradient(45deg,transparent,transparent 7px,rgba(20,20,20,.022) 7px,rgba(20,20,20,.022) 14px);opacity:0;transform:scale(.94);transition:opacity .6s var(--e),transform .6s var(--e)}
.wall figure.in{opacity:1;transform:none}
.wall img{display:block;width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.04) brightness(1.02);opacity:.78;transition:filter .5s var(--e),opacity .5s var(--e),transform 1.1s var(--e)}
.wall figure:hover{z-index:3}
.wall figure:hover img{filter:none;opacity:1;transform:scale(1.08)}
.wall figcaption{position:absolute;left:0;right:0;bottom:0;padding:14px 8px 6px;background:linear-gradient(transparent,rgba(20,20,20,.72));color:#fff;font-family:"JetBrains Mono",monospace;font-size:9.5px;letter-spacing:.06em;text-align:center;opacity:0;transition:opacity .35s var(--e);pointer-events:none;z-index:2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.wall figure.has:hover figcaption{opacity:1}
@media(max-width:600px){.wall figcaption{display:none}}
.wall figure::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(20,20,20,.05);border-radius:5px;pointer-events:none}
.wallmask{position:absolute;left:0;right:0;bottom:0;height:120px;background:linear-gradient(transparent,#fff);pointer-events:none;z-index:2}
.walltop{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:16px;flex-wrap:wrap}
.wallnote{margin:18px 0 0;font-size:13px;color:var(--muted);max-width:80ch}

/* ---- pipeline ---- */
.pipe{display:grid;grid-template-columns:1fr 1fr 1fr;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}
@media(max-width:860px){.pipe{grid-template-columns:1fr}}
.pipe .st{padding:30px 28px;border-right:1px solid var(--line);position:relative;transition:background .35s var(--e)}
.pipe .st:last-child{border-right:none}
.pipe .st:hover{background:var(--panel)}
@media(max-width:860px){.pipe .st{border-right:none;border-bottom:1px solid var(--line)}.pipe .st:last-child{border-bottom:none}}
.pipe .st .n{font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--acc);letter-spacing:.12em}
.pipe .st h3{margin:12px 0 10px;font-size:16px}
.pipe .st p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.6}
.pipe .st .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.pipe .st .tags span{font-family:"JetBrains Mono",monospace;font-size:10.5px;color:var(--faint);border:1px solid var(--line);border-radius:5px;padding:3px 8px}

/* ---- inline facts ---- */
.factline{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--line);margin-top:8px}
.factline>div{flex:1 1 200px;padding:22px 24px 22px 0;border-bottom:1px solid var(--line)}
.factline .lbl{display:block;margin-bottom:9px}
.factline p{margin:0;color:var(--ink);font-size:14.5px}