:root{
  --bg:#ffffff; --surface:#f5f7fb; --ink:#0b0f1a; --muted:#5b6575; --line:#e3e8f0;
  --signal:#2563eb; --signal-rgb:37,99,235;
  --glow:.12; --blur-card:22px; --blur-btn:14px;
  /* floating glass (dock, round buttons, hero card): clear in the middle, the edge band bends what lies behind it (Chromium). Numbers live here only.
     --glass-float-blur is only the fallback / a hair of softening where refraction is unavailable; the refracting filter itself carries no blur() */
  --glass-float-alpha:.06; --glass-float-blur:1.5px; --glass-small-blur:4px; --glass-float-sat:150%; --glass-float-bright:1.06;
  --glass-rim:rgba(255,255,255,.85); --glass-float-ring:rgba(255,255,255,.35);
  --glass-float-sh:0 12px 30px -14px rgba(37,99,235,.38),0 0 0 1px rgba(37,99,235,.12);
  --refract-scale:28; --refract-bezel:16px;
  --glass-bg:linear-gradient(155deg,rgba(255,255,255,.38),rgba(255,255,255,.08) 42%,rgba(255,255,255,.05) 62%,rgba(190,212,255,.21)); --glass-bd:rgba(255,255,255,.75);
  --glass-sh:0 24px 56px -26px rgba(37,99,235,.42),0 0 0 1px rgba(37,99,235,.1),inset 0 1px 0 rgba(255,255,255,.95),inset 0 -12px 24px -16px rgba(37,99,235,.3);
  --g-fill:linear-gradient(180deg,rgba(255,255,255,.64) 0,rgba(255,255,255,.15) 48%,rgba(190,212,255,.29) 100%);
  --g-sh:0 10px 22px -12px rgba(37,99,235,.45),0 0 0 1px rgba(37,99,235,.12),inset 0 1px 0 rgba(255,255,255,.95),inset 0 -6px 12px -8px rgba(37,99,235,.3);
  --rim:linear-gradient(135deg,rgba(255,255,255,1),rgba(37,99,235,.34) 48%,rgba(255,255,255,.95));
  --orb-1:rgba(122,168,255,.9); --orb-2:rgba(37,99,235,.85);
  --sans:"HarmonyOS Sans SC","MiSans","PingFang SC","Hiragino Sans GB","Microsoft YaHei UI","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --pad:clamp(20px,5vw,56px); --col:200px; --max:1120px;
}
[data-theme="dark"]{
  --bg:#05070d; --surface:#0b1020; --ink:#f2f5fa; --muted:#8d99ab; --line:rgba(255,255,255,.09);
  --signal:#6ea0ff; --signal-rgb:110,160,255;
  --glow:.2;
  --glass-float-alpha:.04; --glass-float-bright:.9;
  --glass-rim:rgba(255,255,255,.30); --glass-float-ring:rgba(255,255,255,.12);
  --glass-float-sh:0 14px 34px -14px rgba(0,0,0,.7),0 0 0 1px rgba(255,255,255,.05);
  --glass-bg:linear-gradient(155deg,rgba(255,255,255,.15),rgba(255,255,255,.02) 42%,rgba(255,255,255,.015) 62%,rgba(110,160,255,.105)); --glass-bd:rgba(255,255,255,.16);
  --glass-sh:0 28px 64px -28px rgba(0,0,0,.8),inset 0 1px 0 rgba(255,255,255,.2),inset 0 -12px 24px -16px rgba(110,160,255,.3);
  --g-fill:linear-gradient(180deg,rgba(255,255,255,.15),rgba(255,255,255,.02) 50%,rgba(110,160,255,.105));
  --g-sh:0 10px 22px -12px rgba(0,0,0,.8),inset 0 1px 0 rgba(255,255,255,.2),inset 0 -6px 12px -8px rgba(110,160,255,.3);
  --rim:linear-gradient(135deg,rgba(255,255,255,.55),rgba(255,255,255,.05) 45%,rgba(110,160,255,.4));
  --orb-1:rgba(110,160,255,.6); --orb-2:rgba(37,99,235,.75);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:24px;-webkit-text-size-adjust:100%}
html[data-lang="zh"] .en{display:none!important}
html[data-lang="en"] .zh{display:none!important}
body{background:var(--bg);color:var(--ink);font:400 16.5px/1.8 var(--sans);letter-spacing:.01em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;padding-bottom:calc(96px + env(safe-area-inset-bottom))}
html.theming *{transition:background-color .45s,color .45s,border-color .45s!important}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible{outline:2px solid var(--signal);outline-offset:3px;border-radius:3px}
::selection{background:rgba(var(--signal-rgb),.25)}

/* ---- glass: three tiers. Use these classes on every new element; never write a one-off glass skin. ----
   .glass-strong  large surface (cards): blur + saturation, refracts what sits behind it
   .glass         control that floats over page content: blur
   .glass-light   small in-flow control on a plain surface: same skin, NO backdrop-filter (cheap)
   The existing components are mapped onto the tiers through the selector lists below:
   .res -> strong; .tools button, .back, .lens, .dock -> glass (floating); .btn, .chip, .seg (and anything with .glass-light, e.g. .pbtn) -> light. */
.glass-strong,.lens,.glass,.tools button,.back,.btn,.chip,.glass-light,.seg{position:relative;border:1px solid var(--glass-bd)}
.glass-strong{background:var(--glass-bg);box-shadow:var(--glass-sh);backdrop-filter:blur(var(--blur-card)) saturate(180%);-webkit-backdrop-filter:blur(var(--blur-card)) saturate(180%)}
/* floating glass: dock, round buttons, hero card. Almost clear; no opaque fill. Edge highlights are static insets. */
.glass,.tools button,.back,.lens,.dock{background:rgba(255,255,255,var(--glass-float-alpha));border-color:transparent;
  box-shadow:var(--glass-float-sh),inset 0 1px 0 var(--glass-rim),inset 0 0 0 1px var(--glass-float-ring),inset 0 -10px 20px -14px rgba(37,99,235,.14)}
/* big floating pieces (dock, hero card): refracting backdrop (set up by site.js, see .refract-on) or, as the fallback, a hair of blur */
.glass,.lens,.dock,.refract-off{-webkit-backdrop-filter:blur(var(--glass-float-blur)) saturate(var(--glass-float-sat)) brightness(var(--glass-float-bright));backdrop-filter:blur(var(--glass-float-blur)) saturate(var(--glass-float-sat)) brightness(var(--glass-float-bright))}
/* the small round buttons are too small to refract: plain glass */
.tools button,.back{-webkit-backdrop-filter:blur(var(--glass-small-blur)) saturate(var(--glass-float-sat)) brightness(var(--glass-float-bright));backdrop-filter:blur(var(--glass-small-blur)) saturate(var(--glass-float-sat)) brightness(var(--glass-float-bright))}
/* refraction (site.js, Chromium only): the element hands its glass to a child .refract-layer that carries url(#refract-N) saturate() brightness() (no blur()) and
   the edge highlights; the element keeps only the outer shadow. The filter must not sit on the element itself: its outer box-shadow would shift the
   displacement map. .refract-off marks an element that fell back to plain blur. The fallbacks at the end of this file switch both off. */
.refract-on{background:transparent;-webkit-backdrop-filter:none;backdrop-filter:none;box-shadow:var(--glass-float-sh)}
.refract-layer{position:absolute;inset:0;z-index:0;border-radius:inherit;pointer-events:none;background:rgba(255,255,255,var(--glass-float-alpha));
  box-shadow:inset 0 1px 0 var(--glass-rim),inset 0 0 0 1px var(--glass-float-ring),inset 0 -10px 20px -14px rgba(37,99,235,.14)}
.lens .frame,.lens figcaption{position:relative;z-index:1}
/* ?glass=debug: the displacement band drawn over the dock, and a status tag */
.refract-debug::after{content:"";position:absolute;inset:0;z-index:3;border-radius:inherit;pointer-events:none;background:var(--refract-debug-map) 0 0/100% 100% no-repeat}
.refract-debug-label{position:fixed;right:12px;bottom:calc(84px + env(safe-area-inset-bottom));z-index:2147483647;max-width:calc(100vw - 24px);padding:4px 8px;border-radius:6px;background:#000;color:#fff;font:600 12px/1.35 ui-monospace,Menlo,Consolas,monospace;pointer-events:none}
.glass-light,.seg,.btn,.chip{background:var(--g-fill);box-shadow:var(--g-sh)}
/* glass rim: gradient hairline on every glass surface */
.glass-strong::before,.glass::before,.glass-light::before,.lens::before,.tools button::before,.back::before,.btn::before,.chip::before,.seg::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;background:var(--rim);pointer-events:none;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box exclude,linear-gradient(#000 0 0)}

/* top-right controls */
.tools{position:fixed;top:calc(12px + env(safe-area-inset-top));right:16px;z-index:21;display:flex;gap:8px;align-items:center}
.tools button,.back{width:40px;height:40px;padding:0;border-radius:50%;color:var(--ink);font:500 13px/1 var(--sans);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;-webkit-tap-highlight-color:transparent;transition:border-color .2s,color .2s,transform .18s}
.tools svg,.back svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.back{position:fixed;top:calc(12px + env(safe-area-inset-top));left:calc(16px + env(safe-area-inset-left));z-index:21;text-decoration:none}
#theme .moon{display:none}
[data-theme="dark"] #theme .sun{display:none}
[data-theme="dark"] #theme .moon{display:block}

/* bottom glass dock */
.dock{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(14px + env(safe-area-inset-bottom));z-index:20;display:flex;align-items:stretch;gap:2px;padding:6px;border-radius:999px;max-width:calc(100vw - 24px);touch-action:pan-y;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
.dock a{position:relative;z-index:1;display:flex;align-items:center;justify-content:center;height:40px;padding:0 16px;border-radius:999px;color:var(--ink);font-size:15px;font-weight:650;line-height:1;white-space:nowrap;-webkit-tap-highlight-color:transparent;-webkit-user-drag:none;transition:color .15s,background-color .2s,transform .18s}
.dock .lbl{position:relative;z-index:1}
.dock svg{display:none;position:relative;z-index:1;width:20px;height:20px;flex:none;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.dock-pill{position:absolute;left:0;top:0;z-index:0;width:var(--w,0px);height:var(--h,0px);translate:var(--x,0px) var(--y,0px);scale:var(--s,1);border-radius:999px;background:rgba(var(--signal-rgb),.22);border:1px solid rgba(var(--signal-rgb),.5);box-shadow:inset 0 1px 0 rgba(255,255,255,.3),0 0 0 rgba(var(--signal-rgb),0);pointer-events:none;
  transition:translate var(--dur,0s) cubic-bezier(.32,.72,0,1),width var(--dur,0s) cubic-bezier(.32,.72,0,1),scale .35s cubic-bezier(.32,.72,0,1),background-color .35s cubic-bezier(.32,.72,0,1),box-shadow .35s cubic-bezier(.32,.72,0,1)}
.dock.dragging .dock-pill{--s:1.08;background:rgba(var(--signal-rgb),.32);box-shadow:inset 0 1px 0 rgba(255,255,255,.6),0 8px 18px -8px rgba(var(--signal-rgb),.5)}
/* dark: the dock is almost clear and dark, so the current-item pill needs a clearly lighter blue fill and a stronger edge to read as a separate piece */
[data-theme="dark"] .dock-pill{background:rgba(var(--signal-rgb),.46);border-color:rgba(var(--signal-rgb),.82);box-shadow:inset 0 1px 0 rgba(255,255,255,.4),0 0 0 rgba(var(--signal-rgb),0)}
[data-theme="dark"] .dock.dragging .dock-pill{background:rgba(var(--signal-rgb),.58);box-shadow:inset 0 1px 0 rgba(255,255,255,.6),0 8px 18px -8px rgba(var(--signal-rgb),.6)}

/* hero */
.hero{position:relative;isolation:isolate;overflow:hidden;padding:calc(60px + clamp(36px,9vh,92px)) var(--pad) clamp(48px,8vh,84px)}
.hero::before,.hero::after{content:"";position:absolute;z-index:-1;pointer-events:none;aspect-ratio:1/1;border-radius:50%;background:radial-gradient(closest-side,rgba(var(--signal-rgb),var(--glow)) 0,rgba(var(--signal-rgb),calc(var(--glow)*.8)) 55%,rgba(var(--signal-rgb),0) 100%)}
.hero::before{left:-12%;top:-26%;width:min(62vw,680px)}
.hero::after{right:-6%;top:0;width:min(62vw,800px);height:100%;aspect-ratio:auto;border-radius:0}
.hero-in{--hgap:clamp(32px,6vw,84px);position:relative;max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:var(--hgap);align-items:center}
.hero-in::before,.hero-in::after{content:"";position:absolute;z-index:-1;border-radius:50%;pointer-events:none;background:radial-gradient(circle at 32% 30%,var(--orb-1),var(--orb-2) 78%)}
.hero-in::before{width:150px;height:150px;right:-75px;top:-75px}
.hero-in::after{width:96px;height:96px;bottom:-48px;right:calc(.45*(100% - var(--hgap)) - 22px)}
.name{font:700 clamp(2.5rem,5.4vw,3.9rem)/1.12 var(--sans);letter-spacing:.03em}
html[data-lang="en"] .name{letter-spacing:-.02em;font-weight:680}
.alt{font-size:18px;color:var(--muted);letter-spacing:.02em;margin-top:4px}
.lede{max-width:30em;margin-top:22px;font-size:clamp(16.5px,1.9vw,18.5px);line-height:1.85}
.facts{display:grid;grid-template-columns:auto 1fr;gap:6px 22px;margin-top:26px;font-size:15px;line-height:1.65}
.facts dt{color:var(--muted);white-space:nowrap}
.hero-links{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;height:42px;padding:0 20px;border-radius:21px;font-size:15px;-webkit-tap-highlight-color:transparent;transition:background-color .2s,color .2s,border-color .2s,transform .18s}
.btn.solid{color:var(--signal);font-weight:600}
.rise{animation:rise .95s cubic-bezier(.2,.7,.2,1) both;animation-delay:var(--d,0s)}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* hero demo */
.lens{margin:0;width:100%;max-width:520px;justify-self:end;padding:10px;border-radius:20px}
.frame{position:relative;aspect-ratio:1/1;border-radius:12px;overflow:hidden;background:#060b16;border:1px solid var(--line)}
#lens{display:block;width:100%;height:100%;cursor:crosshair;touch-action:pan-y}
.lens figcaption{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;margin-top:12px;padding:0 4px 2px;font-size:13.5px;line-height:1.55;color:var(--ink)}
.seg{touch-action:pan-y;-webkit-user-select:none;user-select:none;display:inline-flex;flex:none;border-radius:16px;padding:2px}
.seg button{position:relative;z-index:1;background:none;border:0;color:var(--ink);color:color-mix(in srgb,var(--ink) 62%,transparent);font:500 13px/1 var(--sans);height:28px;padding:0 13px;border-radius:14px;cursor:pointer;-webkit-tap-highlight-color:transparent;transition:color .25s,transform .18s}
.seg button[aria-pressed="true"]{color:var(--ink)}
.seg-thumb{position:absolute;left:0;top:0;z-index:0;width:var(--w,0px);height:var(--h,0px);translate:var(--x,0px) var(--y,0px);scale:var(--s,1);border-radius:14px;background:linear-gradient(180deg,rgba(255,255,255,.55),rgba(var(--signal-rgb),.16));border:1px solid rgba(var(--signal-rgb),.3);box-shadow:inset 0 1px 0 rgba(255,255,255,.8),0 2px 8px -3px rgba(var(--signal-rgb),.5);opacity:0;pointer-events:none;transition:translate .45s cubic-bezier(.32,.72,0,1),width .45s cubic-bezier(.32,.72,0,1),scale .35s cubic-bezier(.32,.72,0,1),opacity .2s}
.seg.dragging .seg-thumb{--s:1.06;transition:scale .35s cubic-bezier(.32,.72,0,1),opacity .2s}
.seg.dragging button{color:var(--ink);color:color-mix(in srgb,var(--ink) 62%,transparent)}
.seg.dragging button.pre{color:var(--ink)}
[data-theme="dark"] .seg-thumb{background:linear-gradient(180deg,rgba(255,255,255,.18),rgba(var(--signal-rgb),.22));box-shadow:inset 0 1px 0 rgba(255,255,255,.25),0 2px 8px -3px rgba(0,0,0,.6)}

/* sections */
main{display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.sec{padding:34px 0 40px}
.trace{display:flex;align-items:center;gap:12px;height:28px;margin-bottom:26px}
.trace svg{width:28px;height:28px;flex:none}
.trace rect{fill:var(--signal);opacity:0;transition:opacity .5s calc(var(--i) * 70ms)}
.trace.in rect{opacity:var(--o)}
.trace .ln{flex:1;height:1px;background:linear-gradient(90deg,var(--signal),var(--line) 45%);transform:scaleX(0);transform-origin:left;transition:transform 1.3s cubic-bezier(.3,.6,.2,1) .6s}
.trace.in .ln{transform:scaleX(1)}
.grid{display:grid;grid-template-columns:var(--col) 1fr;gap:12px 40px}
.grid>h2{font:650 21px/1.35 var(--sans);letter-spacing:.04em}
html[data-lang="en"] .grid>h2{letter-spacing:0}
.content{max-width:46em;min-width:0}
.content.wide{max-width:52em}
.content p+p{margin-top:1em}
.muted{color:var(--muted)}
dl.edu{display:grid;grid-template-columns:120px 1fr;gap:6px 20px}
dl.edu dt{color:var(--muted);font-variant-numeric:tabular-nums}

/* research */
.proj{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:6px 0}
.proj h3{font:inherit}
.proj-toggle{display:grid;grid-template-columns:1fr auto;align-items:center;gap:18px;width:100%;padding:12px 0;border:0;background:none;color:inherit;font:inherit;text-align:left;cursor:pointer;-webkit-tap-highlight-color:transparent;border-radius:10px}
.proj-toggle:focus-visible{outline:2px solid var(--signal);outline-offset:4px}
.proj-head,.proj-title,.proj-meta,.proj-sum{display:block}
.proj-title{font:650 21px/1.45 var(--sans);transition:color .2s}
.proj-meta{color:var(--muted);font-size:14.5px;line-height:1.75;margin-top:4px}
.proj-sum{margin-top:8px;font-size:15.5px;line-height:1.75}
.proj-chev{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;transition:transform .45s cubic-bezier(.32,.72,0,1),border-color .2s,color .2s}
.proj.open .proj-chev{transform:rotate(180deg)}
.proj-body{display:grid;grid-template-rows:1fr}
.js .proj-body{grid-template-rows:0fr;visibility:hidden;transition:grid-template-rows .45s cubic-bezier(.32,.72,0,1),visibility 0s .45s}
.js .proj.open .proj-body{grid-template-rows:1fr;visibility:visible;transition-delay:0s}
html:not(.js) .proj-chev{display:none}
html:not(.js) .proj-toggle{cursor:default;pointer-events:none}
.proj-in{min-height:0;overflow:hidden}
.proj-in>:first-child{margin-top:16px}
.proj-in>:last-child{margin-bottom:6px}
.proj-in h4.sub:first-child{margin-top:16px}
.kr{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.kr li{border-radius:14px;padding:12px 14px;display:flex;flex-direction:column;gap:2px;min-width:0}
.kr-k{font-size:14px;color:var(--ink)}
.kr-v{font-size:26px;line-height:1.25;font-weight:650;color:var(--signal);font-variant-numeric:tabular-nums}
.kr-d{font-size:13px;line-height:1.5;color:var(--ink)}
.proj-acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.pbtn{display:inline-flex;align-items:center;height:42px;padding:0 20px;border-radius:21px;font-size:15px;-webkit-tap-highlight-color:transparent;transition:border-color .2s,color .2s,transform .18s}
.pbtn.solid{color:var(--signal);font-weight:600}
.pbtn:active{transform:scale(.96)}
.meta{color:var(--muted);font-size:14.5px;line-height:1.75;margin:6px 0 16px}
h4.sub{font:650 15px/1.4 var(--sans);letter-spacing:.05em;color:var(--muted);margin:28px 0 10px}
html[data-lang="en"] h4.sub{letter-spacing:.01em}
.steps{list-style:none;counter-reset:s}
.steps li{counter-increment:s;position:relative;padding:9px 0 9px 44px;border-top:1px solid var(--line)}
.steps li:first-child{border-top:0}
.steps li::before{content:counter(s);position:absolute;left:0;top:11px;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;font-size:13px;line-height:1;color:var(--muted);font-variant-numeric:tabular-nums;transition:border-color .25s,color .25s}
.steps b{font-weight:600}
.metrics{display:grid;grid-template-columns:minmax(110px,170px) 1fr;border-top:1px solid var(--line)}
.metrics dt,.metrics dd{padding:10px 0;border-bottom:1px solid var(--line)}
.metrics dt{color:var(--muted);padding-right:16px}
.metrics dd{font-variant-numeric:tabular-nums}
.metrics dd b{font-weight:650;font-size:1.06em}
.metrics dd span{color:var(--muted)}
.note{color:var(--muted);font-size:14.5px;margin-top:12px}
.item{position:relative;padding:16px 0 16px 22px;border-top:1px solid var(--line)}
.item:first-of-type{border-top:0}
.item::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:2px;background:var(--signal);transform:scaleY(0);transform-origin:top;transition:transform .35s}
.item h3{font:600 17.5px/1.45 var(--sans);margin-bottom:2px}
.item p{color:var(--muted);font-size:15.5px}

/* output + news + links */
.out,.news{list-style:none}
.out li{display:grid;grid-template-columns:90px 1fr;gap:16px;padding:14px 0;border-top:1px solid var(--line)}
.out li:first-child{border-top:0;padding-top:0}
.out .k{color:var(--muted)}
.out .t{font-weight:600}
.out .s{color:var(--muted);font-size:15px}
.out a,.links a{display:inline-block;min-height:24px;border-bottom:1px solid var(--line);transition:border-color .2s,color .2s}
.out .s a{padding-top:4px;margin-top:-4px;line-height:normal}   /* hit area >= 24px, text and underline stay where they were */
.news li{display:grid;grid-template-columns:110px 1fr;gap:16px;padding:12px 0;border-top:1px solid var(--line)}
.news li:first-child{border-top:0;padding-top:0}
.news time{color:var(--muted);font-variant-numeric:tabular-nums}
.links{list-style:none;display:grid;gap:10px}
.links li{display:grid;grid-template-columns:130px 1fr;gap:16px}
.links span.k{color:var(--muted)}
.todo{color:var(--muted)}

/* resume */
.dl{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;margin-bottom:6px}
.dl small{color:var(--muted);font-size:14px}
.job{display:grid;grid-template-columns:150px 1fr;gap:4px 28px;padding:18px 0;border-top:1px solid var(--line)}
.job.first{border-top:0}
.job time{color:var(--muted);font-size:14.5px;font-variant-numeric:tabular-nums;padding-top:3px}
.job h3{font:600 17.5px/1.5 var(--sans)}
.job .org{color:var(--muted);font-size:15px}
.job ul{list-style:none;margin-top:8px}
.job li{position:relative;padding-left:16px;font-size:15.5px;margin-top:3px}
.job li::before{content:"";position:absolute;left:0;top:.82em;width:5px;height:5px;background:var(--signal);opacity:.75;border-radius:1px}
.rsub{font:650 15px/1.4 var(--sans);letter-spacing:.05em;color:var(--muted);margin:30px 0 4px}
html[data-lang="en"] .rsub{letter-spacing:.01em}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.chip{border-radius:15px;padding:1px 13px;font-size:14.5px;line-height:1.9}
.chip:not(.soft){font-weight:600}

footer{max-width:var(--max);margin:40px auto 0;padding:26px var(--pad) 44px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:14px}

/* project sub-pages (research/<name>/) */
.ph{padding:calc(64px + env(safe-area-inset-top)) 0 18px}
.ph-kick{color:var(--signal);font-size:15px;font-weight:600;letter-spacing:.04em}
html[data-lang="en"] .ph-kick{letter-spacing:.01em}
.ph h1{font:700 clamp(1.9rem,4.6vw,3rem)/1.2 var(--sans);letter-spacing:.01em;margin-top:10px;max-width:22em;text-wrap:balance}
.ph-meta{color:var(--muted);font-size:14.5px;line-height:1.75;margin-top:14px;max-width:46em}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{border-radius:15px;padding:1px 13px;font-size:14.5px;line-height:1.9;font-weight:600}
.psec>h2{font:650 21px/1.35 var(--sans);letter-spacing:.04em;margin-bottom:16px}
html[data-lang="en"] .psec>h2{letter-spacing:0}
.flow{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);gap:26px}
.flow li{border-radius:16px;padding:14px 14px 16px;min-width:0;font-size:14.5px;line-height:1.7;color:var(--ink)}
.flow li:not(:last-child)::after{content:"";position:absolute;top:30px;right:-22px;width:18px;height:12px;background:var(--signal);opacity:.65;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 12' fill='none' stroke='black' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M1 6h15M12 2l4 4-4 4'/%3E%3C/svg%3E") center/100% 100% no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 12' fill='none' stroke='black' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M1 6h15M12 2l4 4-4 4'/%3E%3C/svg%3E") center/100% 100% no-repeat}
.flow-h{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.flow .num{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);font-size:13px;line-height:1;font-variant-numeric:tabular-nums}
.flow .tag{padding:0 9px;font-size:12.5px;line-height:1.7;letter-spacing:.04em;color:color-mix(in srgb,var(--signal) 78%,var(--ink))}
.flow b{font-weight:650}
.res{border-radius:20px;padding:16px}
.res ul{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.res li{border-radius:14px;padding:14px 16px;min-width:0;display:flex;flex-direction:column;gap:2px;color:var(--ink)}
.res .rk{font-size:14.5px;line-height:1.5}
.res .rv{font-size:clamp(1.5rem,4vw,2rem);line-height:1.25;font-weight:650;color:var(--signal);font-variant-numeric:tabular-nums}
.res .rv small{font-size:.5em;font-weight:600;margin-left:.3em}
.res .rd{font-size:13.5px;line-height:1.55}
.res li:last-child:nth-child(3n+2){grid-column:span 2}
.res-note{border-radius:14px;padding:14px 16px;margin-top:12px;color:var(--ink);font-size:14.5px;line-height:1.75}
.res-note b{font-weight:650}
.lim{list-style:none;max-width:46em}
.lim li{padding:12px 0;border-top:1px solid var(--line)}
.lim li:first-child{border-top:0;padding-top:0}
.back-row{display:flex;justify-content:center;margin-top:36px}
[data-stagger]>*{--i:0}
.js [data-stagger]>*{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s cubic-bezier(.2,.7,.2,1);transition-delay:calc(var(--i) * 60ms)}
.js [data-stagger].in>*{opacity:1;transform:none}

/* hover only on real pointers; touch never shows a hover state */
@media (hover:hover) and (pointer:fine){
  .tools button:hover,.back:hover{border-color:var(--signal);color:var(--signal)}
  .dock a:hover{background:rgba(var(--signal-rgb),.08)}
  .btn:hover{border-color:var(--signal);color:var(--signal);background:linear-gradient(180deg,rgba(var(--signal-rgb),.1),rgba(var(--signal-rgb),.26))}
  .seg button:hover{color:var(--ink)}
  .steps li:hover::before{border-color:var(--signal);color:var(--signal)}
  .item:hover::before{transform:scaleY(1)}
  .proj-toggle:hover .proj-title{color:var(--signal)}
  .proj-toggle:hover .proj-chev{border-color:var(--signal);color:var(--signal)}
  .pbtn:hover{border-color:var(--signal);color:var(--signal);background:linear-gradient(180deg,rgba(var(--signal-rgb),.1),rgba(var(--signal-rgb),.26))}
  .out a:hover,.links a:hover{color:var(--signal);border-color:var(--signal)}
}
/* press feedback: instant, released immediately */
.dock a:active,.tools button:active,.back:active,.btn:active,.seg button:active{transform:scale(.96)}

@media (max-width:860px){
  :root{--col:1fr;--blur-card:14px;--blur-btn:10px}
  .hero::after{top:auto;bottom:0;right:-10%;width:min(110vw,640px);height:min(78%,560px)}
  .hero-in::before{width:88px;height:88px;right:auto;top:auto;bottom:-48px;left:calc(min(100%,520px) - 34px)}
  .hero-in::after{width:72px;height:72px;right:auto;bottom:-48px;left:-48px}
  .hero-in{grid-template-columns:1fr}
  .lens{justify-self:start}
  .grid{grid-template-columns:1fr}
  .grid>h2{margin-bottom:6px}
  .dock{width:calc(100vw - 24px);max-width:420px;gap:0}
  .dock a{flex:1 1 0;min-width:0;flex-direction:column;gap:3px;height:auto;padding:7px 2px 6px;font-size:12px;font-weight:650;line-height:1.2}
  .dock svg{display:block}
  dl.edu{grid-template-columns:1fr}
  .news li,.out li,.job{grid-template-columns:1fr;gap:2px}
  .links li{grid-template-columns:1fr;gap:0}
  .metrics{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr;gap:26px}
  .flow li:not(:last-child)::after{top:auto;right:auto;bottom:-22px;left:calc(50% - 9px);transform:rotate(90deg)}
  .res{padding:12px}
  .res ul{grid-template-columns:repeat(2,1fr);gap:10px}
  .res li:last-child:nth-child(3n+2){grid-column:auto}
  .res li:last-child:nth-child(odd){grid-column:span 2}
  .kr{gap:8px}
  .kr li{padding:10px 10px}
  .kr-v{font-size:22px}
  .kr-d{font-size:12.5px}
  .metrics dt{border-bottom:0;padding-bottom:0}
  .metrics dd{padding-top:2px}
}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .refract-on,.refract-off{backdrop-filter:none!important;-webkit-backdrop-filter:none!important}
  .glass-strong,.glass,.glass-light,.lens,.btn,.tools button,.back,.seg,.chip,.dock{background:var(--surface)}
  .glass-strong,.lens{border-color:var(--line)}
}
@media (prefers-reduced-transparency:reduce){
  .glass-strong,.glass,.lens,.tools button,.back,.dock,.refract-on,.refract-off{backdrop-filter:none!important;-webkit-backdrop-filter:none!important}
  .glass-strong,.glass,.glass-light,.lens,.btn,.tools button,.back,.seg,.chip,.dock{background:var(--surface)}
  .glass-strong,.lens{border-color:var(--line)}
}
@media (max-width:359px){
  html[data-lang="en"] .dock .lbl{display:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .dock-pill,.seg-thumb{transition:none}
  .dock-pill,.seg-thumb{scale:none}
  .dock a,.tools button,.back,.btn,.seg button{transition:none}
  .rise{animation:none}
  .js .proj-body,.proj-chev{transition:none}
  .js [data-stagger]>*{opacity:1;transform:none;transition:none}
  .trace rect{opacity:var(--o);transition:none}
  .trace .ln{transform:none;transition:none}
  html.theming *,.pbtn,.proj-title,.item::before,.out a,.links a,.seg.dragging .seg-thumb{transition:none!important}
}