/* 千屿纤寻 — an observer's star log.
   Deep-space ground with a faint fixed star field behind every page; content set like an instrument log:
   mono readings, oversized serif statements, hairlines and open space. No cards, no boxes. */
:root{
  --ink:#070A12; --ink-2:#0C111B; --ink-3:#131A26;
  --line:rgba(236,232,225,.08); --line-2:rgba(236,232,225,.16); --line-3:rgba(236,232,225,.3);
  --fg:#ECE8E1; --muted:#8A8F99; --dim:#5B606B; --accent:#9FB3CC; --accent-2:#C9D4E2; --star:#FFFFFF;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"HarmonyOS Sans SC","HarmonyOS Sans","Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --latin:"IBM Plex Serif","Noto Serif SC",Georgia,serif;
  --num:"IBM Plex Mono","Noto Sans SC",ui-monospace,monospace;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --ease:cubic-bezier(.2,.7,.2,1);
  --w:1240px;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--ink);color:var(--fg);font-family:var(--sans);font-weight:300;font-size:16px;line-height:1.75;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}
#app[data-lang="zh"] .en,#app[data-lang="en"] .zh{display:none!important}
::selection{background:rgba(159,179,204,.3)}
a{color:inherit}
.gut{padding-left:max(24px,env(safe-area-inset-left,0px));padding-right:max(24px,env(safe-area-inset-right,0px))}
.inner{max-width:var(--w);margin:0 auto;position:relative}
h1,h2,h3{text-wrap:balance}
.hl{font-style:normal;background:linear-gradient(100deg,#F4F1EB 0%,#C9D4E2 55%,#9FB3CC 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
#app[data-lang="en"] .hl{font-family:var(--latin);font-style:italic}
.skip{position:absolute;left:-9999px;top:8px;z-index:100;background:var(--ink-2);padding:8px 14px}
.skip:focus{left:16px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.sky-nav:focus-within{clip:auto;width:auto;height:auto;overflow:visible}
.sky-nav a:focus{position:fixed;left:24px;bottom:24px;z-index:70;background:var(--ink-2);padding:10px 16px;border:1px solid var(--accent)}

/* deep field behind everything */
#deep{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
#app{position:relative;z-index:1}

/* labels that read like instrument output */
.label,.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--accent)}

/* section marker: index / total — hairline — name — fact */
.sec{position:relative;padding-block:140px}
.mk{display:flex;align-items:center;gap:18px;margin-bottom:64px;font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--muted);text-transform:uppercase}
.mk-n{color:var(--fg);font-size:12px;letter-spacing:.12em}
.mk-n i{font-style:normal;color:var(--dim)}
.mk-line{flex:0 0 72px;height:1px;background:linear-gradient(90deg,var(--accent),transparent)}
.mk-l{color:var(--accent-2)}
.mk-f{margin-left:auto;color:var(--dim)}
#app[data-lang="zh"] .mk-l,#app[data-lang="zh"] .mk-f{font-family:var(--sans);letter-spacing:.16em;font-size:12px}

/* display type */
.display{margin:0;font-family:var(--serif);font-weight:600;font-size:clamp(34px,5.2vw,76px);line-height:1.12;letter-spacing:.02em}
#app[data-lang="en"] .display{font-family:var(--latin);font-weight:500;letter-spacing:-.01em;line-height:1.02;font-size:clamp(40px,6vw,88px)}
.display-xl{font-size:clamp(40px,7vw,112px);line-height:1.04}
#app[data-lang="en"] .display-xl{font-size:clamp(44px,7.6vw,120px)}
.open{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:40px 80px;align-items:end;margin-bottom:96px}
.open-p{margin:0;color:var(--muted);max-width:30em;font-size:16px}
.open-r{grid-template-columns:minmax(0,1fr) minmax(0,1.5fr)}
.open-r .display{order:2;text-align:right}
.open-r .open-p{order:1}

/* reveal */
.js [data-rv]{opacity:0;transform:translate3d(0,28px,0);filter:blur(6px);transition:opacity 1.1s var(--ease),transform 1.1s var(--ease),filter 1.1s var(--ease);transition-delay:var(--d,0s)}
.js [data-rv].in{opacity:1;transform:none;filter:none}
.js .mk[data-rv] .mk-line{transform:scaleX(0);transform-origin:left;transition:transform 1.2s var(--ease) .2s}
.js .mk[data-rv].in .mk-line{transform:none}

/* nav */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--ink)}
.nav{position:fixed;left:0;right:0;top:env(safe-area-inset-top,0px);z-index:50;transition:background .5s,border-color .5s,backdrop-filter .5s;border-bottom:1px solid transparent}
.nav.solid,.menu-open .nav{background:rgba(7,10,18,.72);backdrop-filter:blur(16px) saturate(130%);-webkit-backdrop-filter:blur(16px) saturate(130%);border-bottom-color:var(--line)}
.nav .inner{display:flex;align-items:center;gap:32px;height:72px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;line-height:1}
.brand b{font-family:var(--serif);font-weight:700;font-size:18px;letter-spacing:.2em}
.brand-star{width:7px;height:7px;border-radius:50%;background:#fff;box-shadow:0 0 6px 1px rgba(255,255,255,.8),0 0 18px 4px rgba(201,212,226,.35);animation:orb-breathe 3s ease-in-out infinite alternate}
.links{display:flex;gap:30px;margin-left:auto;font-size:14px}
.links a{position:relative;display:flex;align-items:baseline;gap:7px;text-decoration:none;color:var(--muted);transition:color .3s}
.links a::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:1px;background:var(--fg);transform:scaleX(0);transform-origin:right;transition:transform .45s var(--ease)}
.links a:hover{color:var(--fg)}
.links a:hover::after{transform:scaleX(1);transform-origin:left}
.ln-n{font-family:var(--latin);font-style:italic;font-size:12px;color:var(--accent)}
.lang{display:flex;align-items:center;gap:10px}
.lang button,.lang a{all:unset;position:relative;font-family:var(--mono);font-size:12px;padding:6px 0;color:var(--muted);cursor:pointer;transition:color .2s}
.lang button+button::before,.lang a+a::before{content:"/";position:absolute;left:-8px;color:var(--line-2)}
.lang button:hover,.lang a:hover{color:var(--fg)}
.lang button[aria-pressed="true"],.lang a[aria-current]{color:var(--fg)}

.menu-btn{all:unset;display:none;cursor:pointer;width:40px;height:40px;position:relative;margin-left:auto}
.menu-btn i{position:absolute;left:10px;right:10px;height:1px;background:var(--fg);transition:transform .35s,top .35s}
.menu-btn i:first-child{top:16px}.menu-btn i:last-child{top:23px}
.menu-btn[aria-expanded="true"] i:first-child{top:20px;transform:rotate(45deg)}
.menu-btn[aria-expanded="true"] i:last-child{top:20px;transform:rotate(-45deg)}
.mnav{display:flex;flex-direction:column;padding-block:8px 28px;min-height:calc(100dvh - 72px)}
.mnav[hidden]{display:none}
.mnav a{display:flex;align-items:baseline;gap:14px;padding:18px 0;border-bottom:1px solid var(--line);text-decoration:none;font-family:var(--serif);font-size:24px;color:var(--fg)}
#app[data-lang="en"] .mnav a{font-family:var(--latin)}
.mnav .ln-n{font-size:14px;min-width:22px}
.mnav .mnav-cta{border-bottom:0;margin-top:16px;color:var(--accent-2)}

/* buttons: starlight hairline for the one primary action, drawn underline for the rest */
@property --orbit{syntax:"<angle>";inherits:false;initial-value:0deg}
.btn{all:unset;box-sizing:border-box;position:relative;isolation:isolate;overflow:hidden;display:inline-flex;align-items:center;justify-content:center;gap:14px;
  min-height:52px;padding:0 32px;border-radius:0;font-family:var(--sans);font-size:14px;font-weight:500;letter-spacing:.16em;color:var(--fg);cursor:pointer;
  transition:background .4s,color .3s,transform .2s}
#app[data-lang="en"] .btn{font-size:12px;letter-spacing:.18em;text-transform:uppercase}
.btn:active{transform:translateY(1px)}
.btn[disabled]{opacity:.5;pointer-events:none}
.btn-primary{background:rgba(236,232,225,.035)}
.btn-primary::before{content:"";position:absolute;inset:0;padding:1px;z-index:-1;pointer-events:none;
  background:conic-gradient(from var(--orbit),rgba(236,232,225,.22) 0deg,rgba(236,232,225,.22) 250deg,rgba(255,255,255,.95) 300deg,rgba(201,212,226,.5) 320deg,rgba(236,232,225,.22) 360deg);
  -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);
  animation:orbit 7s linear infinite}
.btn-primary::after{content:"";position:absolute;top:0;bottom:0;left:0;width:45%;z-index:-1;pointer-events:none;
  background:linear-gradient(100deg,transparent,rgba(236,232,225,.14),transparent);transform:translateX(-130%) skewX(-18deg)}
.btn-primary:hover{background:rgba(236,232,225,.07)}
.btn-primary:hover::after{transform:translateX(320%) skewX(-18deg);transition:transform .9s var(--ease)}
.btn-primary:hover::before{animation-duration:2.6s}
@keyframes orbit{to{--orbit:360deg}}
.btn-ghost{min-height:auto;padding:10px 2px;overflow:visible;color:var(--fg)}
.btn-ghost::after{content:"";position:absolute;left:2px;right:2px;bottom:4px;height:1px;background:currentColor;opacity:.55;transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease)}
.btn-ghost:hover::after{transform:scaleX(1)}
.btn-line{min-height:38px;padding:0 18px;border:1px solid var(--line-2);font-size:13px;letter-spacing:.14em}
.btn-line:hover{border-color:rgba(236,232,225,.45);background:rgba(236,232,225,.04)}
.nav-cta{min-height:36px}
.arr{position:relative;display:inline-block;width:18px;height:1px;background:currentColor;transition:width .45s var(--ease);flex:none}
.arr::after{content:"";position:absolute;right:0;top:-3px;width:7px;height:7px;border-top:1px solid currentColor;border-right:1px solid currentColor;transform:rotate(45deg)}
.arr-l{transform:scaleX(-1)}
.btn:hover .arr,.more:hover .arr,.dock-link:hover .arr,.cs-btn:hover .arr{width:30px}
.more{display:inline-flex;align-items:center;gap:12px;font-size:13px;color:var(--accent-2);text-decoration:none;letter-spacing:.08em}
.rip{position:absolute;width:10px;height:10px;margin:-5px 0 0 -5px;border-radius:50%;border:1px solid rgba(236,232,225,.6);pointer-events:none;animation:rip .85s cubic-bezier(.2,.6,.3,1) forwards;z-index:0}
@keyframes rip{to{transform:scale(26);opacity:0}}
.btn:focus-visible,.lang button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,.chip:focus-visible,.copy:focus-visible,.dock-btn:focus-visible,.cs-btn:focus-visible,.cs-track:focus-visible{outline:1px solid var(--accent);outline-offset:4px}

/* hero */
.hero{position:relative;z-index:2;overflow:hidden;min-height:max(820px,100vh);display:flex;flex-direction:column;justify-content:flex-end;
  background:radial-gradient(900px 640px at 68% 30%,rgba(159,179,204,.07),transparent 66%),var(--ink)}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:180px;background:linear-gradient(transparent,var(--ink));pointer-events:none}
#field{position:absolute;inset:0;width:100%;height:100%;transform:translateZ(0);will-change:transform}
.hero-in{z-index:2;width:100%;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:48px;padding-block:0 120px;pointer-events:none}
.hero-in > *{pointer-events:auto}
.hero-copy{display:flex;flex-direction:column;align-items:flex-start;gap:24px;max-width:820px;min-width:0}
.kick{margin:0;display:flex;flex-wrap:wrap;gap:8px 22px;font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--muted)}
.kick sup{font-size:.7em}
.kick-live{display:inline-flex;align-items:center;gap:8px;color:var(--accent-2)}
.kick-live i{width:5px;height:5px;border-radius:50%;background:#fff;box-shadow:0 0 8px 2px rgba(201,212,226,.7);animation:orb-breathe 1.6s ease-in-out infinite alternate}
h1{margin:0;font-family:var(--serif);font-weight:700;font-size:clamp(38px,6.2vw,92px);line-height:1.08;letter-spacing:.02em}
h1 .ln{white-space:nowrap}
#app[data-lang="en"] h1{font-family:var(--latin);font-weight:500;letter-spacing:-.015em;line-height:.98;font-size:clamp(42px,7vw,104px)}
.poem{margin:0;font-family:var(--serif);font-size:19px;color:var(--accent-2);letter-spacing:.1em}
#app[data-lang="en"] .poem{font-family:var(--latin);font-style:italic;font-size:22px;letter-spacing:0}
.lead{margin:0;max-width:34em;color:var(--muted);font-size:16px}
.cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px 36px;margin-top:8px}
.readout{margin:0;display:grid;grid-template-columns:auto auto;gap:0;min-width:300px;border-top:1px solid var(--line-2);font-family:var(--mono)}
.readout div{display:contents}
.readout dt,.readout dd{margin:0;padding:12px 0;border-bottom:1px solid var(--line)}
.readout dt{font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--dim);padding-right:36px}
#app[data-lang="zh"] .readout dt{font-family:var(--sans);letter-spacing:.14em;font-size:11px}
.readout dd{font-size:13px;color:var(--fg);text-align:right;font-variant-numeric:tabular-nums;letter-spacing:.06em}
.hero-foot{position:absolute;left:0;right:0;bottom:28px;z-index:2;pointer-events:none}
.hero-foot .inner{display:flex;justify-content:space-between;align-items:center;gap:20px}
.hint{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--muted)}
#app[data-lang="zh"] .hint{font-family:var(--sans)}
.scroll-cue{display:flex;align-items:center;gap:12px;font-family:var(--mono);font-size:10px;letter-spacing:.3em;text-transform:uppercase;color:var(--muted)}
#app[data-lang="zh"] .scroll-cue{font-family:var(--sans);letter-spacing:.2em;font-size:11px}
.scroll-cue i{position:relative;width:1px;height:36px;background:var(--line-2);overflow:hidden}
.scroll-cue i::after{content:"";position:absolute;left:0;top:-40%;width:1px;height:40%;background:linear-gradient(transparent,#fff);animation:cue 2.4s var(--ease) infinite}
@keyframes cue{to{top:100%}}

/* side rail */
.rail{position:fixed;left:max(18px,env(safe-area-inset-left,0px));top:50%;z-index:40;transform:translateY(-50%);opacity:0;pointer-events:none;transition:opacity .6s}
.rail.on{opacity:1;pointer-events:auto}
.rail ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;position:relative}
.rail ol::before{content:"";position:absolute;left:3px;top:10px;bottom:10px;width:1px;background:var(--line-2)}
.rail ol::after{content:"";position:absolute;left:3px;top:10px;width:1px;height:calc((100% - 20px) * var(--p,0));background:linear-gradient(var(--accent),#fff);box-shadow:0 0 6px rgba(201,212,226,.6)}
.rail a{position:relative;display:flex;align-items:center;gap:12px;height:24px;text-decoration:none;color:var(--dim);font-family:var(--mono);font-size:10px;letter-spacing:.12em}
.rail i{position:relative;z-index:1;width:7px;height:7px;border-radius:50%;background:var(--ink);border:1px solid var(--line-3);transition:background .4s,border-color .4s,box-shadow .4s}
.rail .rl{opacity:0;transform:translateX(-6px);transition:opacity .35s,transform .35s var(--ease);white-space:nowrap;color:var(--fg);background:rgba(7,10,18,.8);padding:2px 8px}
#app[data-lang="zh"] .rail .rl{font-family:var(--sans);letter-spacing:.12em;font-size:11px}
.rail .rn{opacity:0;transition:opacity .35s}
.rail:hover .rl,.rail a.cur .rl{opacity:1;transform:none}
.rail:hover .rn{opacity:1}
.rail a.cur .rl{background:none}
.rail:hover a.cur .rl{background:rgba(7,10,18,.8)}
.rail a.cur i,.rail a.past i{background:#fff;border-color:#fff;box-shadow:0 0 8px 2px rgba(201,212,226,.55)}
.rail a.past i{background:var(--accent);border-color:var(--accent);box-shadow:none}
.rail a:hover{color:var(--fg)}

/* services: three domains, each a sticky statement beside its catalogue */
.domains{display:flex;flex-direction:column}
.dom{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.3fr);gap:48px 96px;padding-block:72px;border-top:1px solid var(--line)}
.dom:first-child{border-top-color:var(--line-2)}
.dom-h{position:sticky;top:120px;align-self:start;display:flex;flex-direction:column;gap:18px;min-width:0}
.dom-no{position:absolute;right:0;top:-24px;font-family:var(--latin);font-style:italic;font-weight:500;font-size:clamp(90px,11vw,170px);line-height:1;color:transparent;-webkit-text-stroke:1px rgba(236,232,225,.13);pointer-events:none;user-select:none}
.dom-meta{display:flex;align-items:center;gap:14px}
.dom-count{margin-left:4px;font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--dim)}
#app[data-lang="zh"] .dom-count{font-family:var(--sans)}
.dom h3{margin:0;font-family:var(--serif);font-weight:600;font-size:clamp(28px,3vw,42px);line-height:1.2;letter-spacing:.03em}
#app[data-lang="en"] .dom h3{font-family:var(--latin);font-weight:500;letter-spacing:-.01em;font-size:clamp(30px,3.2vw,46px);line-height:1.05}
.dom h3 a{text-decoration:none;background:linear-gradient(currentColor,currentColor) 0 100%/0 1px no-repeat;transition:background-size .6s var(--ease)}
.dom h3 a:hover{background-size:100% 1px}
.dom-h p{margin:0;color:var(--muted);max-width:26em}
.dom-network h3{font-size:clamp(32px,3.6vw,52px)}
.ico{width:44px;height:44px;display:block;overflow:visible;flex:none}

.cat{list-style:none;margin:0;padding:0;counter-reset:c}
.cat-g{margin-top:36px;padding-bottom:10px;font-family:var(--mono);font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--accent)}
.cat-g:first-child{margin-top:0}
#app[data-lang="zh"] .cat-g{font-family:var(--sans);letter-spacing:.16em;font-size:12px}
.crow{position:relative;display:grid;grid-template-columns:62px minmax(0,1fr) minmax(0,1.05fr) 34px;align-items:center;gap:20px;padding:20px 4px;border-top:1px solid var(--line);text-decoration:none;color:var(--fg);overflow:hidden;transition:padding .5s var(--ease)}
.cat li:last-child .crow{border-bottom:1px solid var(--line)}
.crow::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(159,179,204,.1),rgba(159,179,204,.02) 60%,transparent);transform:scaleX(0);transform-origin:left;transition:transform .6s var(--ease);z-index:-1}
.crow::after{content:"";position:absolute;left:0;top:-1px;height:1px;width:100%;background:linear-gradient(90deg,#fff,rgba(201,212,226,.4) 40%,transparent);transform:scaleX(0);transform-origin:left;transition:transform .7s var(--ease)}
.crow:hover{padding-left:16px}
.crow:hover::before,.crow:hover::after{transform:scaleX(1)}
.c-n{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--dim);transition:color .3s}
.crow:hover .c-n{color:var(--accent-2)}
.c-name{display:flex;flex-direction:column;gap:2px;min-width:0}
.c-name b{font-weight:400;font-size:17px;line-height:1.45}
.c-name small{font-family:var(--mono);font-size:10px;letter-spacing:.06em;color:var(--dim)}
.c-tag{font-size:13px;color:var(--muted);line-height:1.6}
.crow .arr{justify-self:end;width:14px;color:var(--muted);transition:width .45s var(--ease),color .3s}
.crow:hover .arr{width:28px;color:var(--fg)}

/* icons */
.ico-pol .halo{transform-origin:24px 24px;animation:pol-breathe 3s ease-in-out infinite alternate}
@keyframes pol-breathe{from{transform:scale(.62);opacity:.7}to{transform:scale(1);opacity:1}}
.ico .s{transform-box:fill-box;transform-origin:center;opacity:.4}
.ico-dip .s{animation:dip-tw 5s ease-in-out infinite}
.ico-dip .run{stroke-dashoffset:108;opacity:0;animation:dip-run 5s cubic-bezier(.45,.05,.55,.95) infinite;filter:drop-shadow(0 0 1.5px rgba(255,255,255,.9))}
@keyframes dip-run{0%{stroke-dashoffset:108;opacity:0}6%{opacity:1}80%{stroke-dashoffset:8;opacity:1}90%,100%{stroke-dashoffset:8;opacity:0}}
@keyframes dip-tw{0%,100%{opacity:.55;transform:scale(1)}6%{opacity:1;transform:scale(1.35);filter:drop-shadow(0 0 2px rgba(255,255,255,.85))}18%{opacity:.7;transform:scale(1)}}
.ico-rise .s{animation:rise 4.2s ease-in-out infinite}
.ico-rise .s0{animation-delay:0s}.ico-rise .s1{animation-delay:.35s}.ico-rise .s2{animation-delay:.7s}.ico-rise .s3{animation-delay:1.05s}.ico-rise .s4{animation-delay:1.4s}.ico-rise .s5{animation-delay:1.75s}
@keyframes rise{0%,100%{opacity:.4;transform:scale(1)}12%{opacity:1;transform:scale(1.6);filter:drop-shadow(0 0 3px rgba(255,255,255,.9))}30%{opacity:.7;transform:scale(1.1)}}

/* solutions: a comparison matrix of hairlines; the hovered route lights up */
.matrix{border-top:1px solid var(--line-2)}
.mx-row{display:grid;grid-template-columns:minmax(150px,.7fr) repeat(3,minmax(0,1fr));border-bottom:1px solid var(--line)}
.mx-k,.mx-c{padding:26px 24px;min-width:0;transition:background .5s,color .5s}
.mx-k{padding-left:0;font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
#app[data-lang="zh"] .mx-k{font-family:var(--sans);letter-spacing:.14em;font-size:13px}
.mx-c{position:relative;font-size:14px;line-height:1.75;color:var(--muted);border-left:1px solid var(--line)}
.mx-head .mx-c{display:flex;flex-direction:column;gap:6px;padding-block:30px;color:var(--fg)}
.mx-i{font-family:var(--latin);font-style:italic;font-size:22px;color:var(--accent);line-height:1}
.mx-head b{font-family:var(--serif);font-weight:600;font-size:24px;letter-spacing:.06em}
#app[data-lang="en"] .mx-head b{font-family:var(--latin);font-weight:500;letter-spacing:0}
.mx-s{font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--dim)}
.mx-lab{display:none}
.mx-foot{border-bottom:0}
.mx-foot .mx-c{padding-block:22px}
.matrix .mx-c.hot{background:linear-gradient(180deg,rgba(159,179,204,.07),rgba(159,179,204,.02));color:var(--fg)}
.mx-head .mx-c.hot::before{content:"";position:absolute;left:-1px;right:0;top:-1px;height:1px;background:linear-gradient(90deg,#fff,var(--accent))}

/* principles: a manifesto set large */
.manifesto{list-style:none;margin:0 0 120px;padding:0;border-top:1px solid var(--line-2)}
.manifesto li{display:grid;grid-template-columns:72px minmax(0,1.5fr) minmax(0,1fr);gap:24px 48px;align-items:baseline;padding-block:44px;border-bottom:1px solid var(--line)}
.mf-n{font-family:var(--mono);font-size:12px;color:var(--dim);letter-spacing:.1em}
.mf-t{margin:0;font-family:var(--serif);font-weight:600;font-size:clamp(36px,6vw,92px);line-height:1.05;letter-spacing:.06em;
  background:linear-gradient(100deg,#F4F1EB 0%,#F4F1EB 40%,#9FB3CC 50%,#F4F1EB 60%,#F4F1EB 100%) 100% 0/250% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;transition:background-position 1.4s var(--ease)}
.manifesto li:hover .mf-t{background-position:0 0}
#app[data-lang="en"] .mf-t{font-family:var(--latin);font-style:italic;font-weight:500;letter-spacing:-.01em;font-size:clamp(34px,5vw,74px)}
.manifesto p{margin:0;color:var(--muted);font-size:15px;max-width:24em}
.ledger{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:40px}
.ledger li{display:flex;flex-direction:column;gap:10px;padding-top:22px;border-top:1px solid var(--line-2);min-width:0}
.lg-n{font-family:var(--mono);font-size:11px;color:var(--accent);letter-spacing:.12em}
.ledger h3{margin:0;font-size:17px;font-weight:500}
.ledger p{margin:0;font-size:14px;color:var(--muted)}

/* process: one trajectory drawn across the page as you scroll */
.traj{position:relative}
.traj-svg{display:block;width:100%;height:200px;overflow:visible}
.traj-svg path{fill:none}
.traj-base{stroke:var(--line-2);stroke-width:1;stroke-dasharray:2 5}
.traj-lit{stroke:#DDE3EC;stroke-width:1.2;stroke-dasharray:1 1;stroke-dashoffset:calc(1 - var(--tp,0));filter:drop-shadow(0 0 4px rgba(201,212,226,.7))}
.traj-nodes{position:absolute;left:0;right:0;top:0;height:200px;pointer-events:none}
.traj-nodes i{position:absolute;width:11px;height:11px;margin:-5.5px 0 0 -5.5px;border-radius:50%;background:var(--ink);border:1px solid var(--line-3);transition:background .6s,border-color .6s,box-shadow .6s,transform .6s var(--ease)}
.traj-nodes i.on{background:#fff;border-color:#fff;box-shadow:0 0 10px 3px rgba(201,212,226,.6),0 0 30px 8px rgba(159,179,204,.25);transform:scale(1.15)}
.steps{list-style:none;margin:36px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:32px}
.st{display:flex;flex-direction:column;gap:10px;min-width:0;opacity:.35;transition:opacity .8s}
.st.on{opacity:1}
.st-n{font-family:var(--latin);font-style:italic;font-size:44px;line-height:1;color:var(--accent-2)}
.st b{font-family:var(--serif);font-weight:600;font-size:21px}
#app[data-lang="en"] .st b{font-family:var(--latin);font-weight:500}
.st span:last-child{font-size:14px;color:var(--muted)}

/* cases: one record per screen, dragged sideways */
.cs-top{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:64px}
.cs-ctl{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;color:var(--dim);letter-spacing:.1em}
.cs-count{margin-right:16px}
.cs-count b{font-weight:400;color:var(--fg)}
.cs-btn{all:unset;cursor:pointer;width:56px;height:56px;display:grid;place-items:center;border:1px solid var(--line-2);color:var(--fg);transition:border-color .3s,background .3s}
.cs-btn:hover{border-color:var(--line-3);background:rgba(236,232,225,.04)}
.cs-track{margin-inline:calc(-1 * max(24px,env(safe-area-inset-left,0px)));display:flex;gap:28px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;cursor:grab;outline:0;
  padding-left:max(24px,calc((100vw - var(--w)) / 2));padding-right:max(24px,calc((100vw - var(--w)) / 2));scroll-padding-inline:max(24px,calc((100vw - var(--w)) / 2))}
.cs-track::-webkit-scrollbar{display:none}
.cs-track.drag{cursor:grabbing;scroll-snap-type:none}
.cs-track.drag *{user-select:none}
.cs{flex:0 0 min(1080px,86vw);scroll-snap-align:start;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:56px;padding:56px 0;border-top:1px solid var(--line-2);border-bottom:1px solid var(--line);opacity:.35;transition:opacity .8s}
.cs.cur{opacity:1}
.cs-l{display:flex;flex-direction:column;gap:20px;min-width:0}
.cs-client{display:flex;align-items:baseline;gap:18px;flex-wrap:wrap}
.cs-client b{font-family:var(--serif);font-weight:700;font-size:16px;letter-spacing:.24em}
.cs-client span{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--accent)}
#app[data-lang="zh"] .cs-client span{font-family:var(--sans)}
.cs h3{margin:0;font-family:var(--serif);font-weight:600;font-size:clamp(28px,3.4vw,50px);line-height:1.2;letter-spacing:.03em}
#app[data-lang="en"] .cs h3{font-family:var(--latin);font-style:italic;font-weight:500;letter-spacing:-.01em;line-height:1.06}
.cs-l p{margin:0;color:var(--muted);max-width:32em}
.cs-tags{display:flex;gap:18px;flex-wrap:wrap;font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--dim)}
#app[data-lang="zh"] .cs-tags{font-family:var(--sans)}
.cs-tags span::before{content:"+ ";color:var(--accent)}
.cs-m{margin:0;display:flex;flex-direction:column;justify-content:center}
.cs-m div{display:flex;flex-direction:column-reverse;gap:6px;padding:20px 0;border-top:1px solid var(--line)}
.cs-m div:first-child{border-top:0;padding-top:0}
.cs-m dd{margin:0;font-family:var(--latin);font-weight:500;font-size:clamp(44px,5.4vw,80px);line-height:1;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
#app[data-lang="zh"] .cs-m dd{font-family:var(--latin)}
.cs-m dt{font-size:13px;color:var(--muted)}
.cs-bar{margin-top:40px;height:1px;background:var(--line)}
.cs-bar i{display:block;height:1px;width:calc(100% / 3);background:linear-gradient(90deg,var(--accent),#fff);transition:transform .5s var(--ease)}

/* about */
.about{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:48px 96px;align-items:end}
.about-copy{display:flex;flex-direction:column;gap:20px;min-width:0}
.about-copy p{margin:0;color:var(--muted)}
.about-copy p:first-child{color:var(--fg);font-size:17px;line-height:1.9}
.facts{margin:96px 0 0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--line-2)}
.facts div{display:flex;flex-direction:column-reverse;gap:10px;padding:28px 24px 0 0;min-width:0}
.facts div+div{padding-left:24px;border-left:1px solid var(--line)}
.facts dd{margin:0;font-family:var(--latin);font-weight:500;font-size:clamp(36px,4.4vw,64px);line-height:1;letter-spacing:-.01em}
#app[data-lang="zh"] .facts div:nth-child(n+3) dd{font-family:var(--serif);font-weight:600;letter-spacing:.04em}
.facts dt{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim)}
#app[data-lang="zh"] .facts dt{font-family:var(--sans);font-size:12px}

/* community */
.comm{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:48px 96px;align-items:start}
.comm-h{display:flex;flex-direction:column;align-items:flex-start;gap:24px}
.comm-h .display{font-size:clamp(30px,4vw,58px)}
.comm-h p{margin:0;color:var(--muted);max-width:28em}
.comm-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line-2)}
.comm-list li{display:grid;grid-template-columns:62px minmax(0,1fr);gap:4px 20px;padding:24px 0;border-bottom:1px solid var(--line)}
.comm-list .c-n{grid-row:span 2;padding-top:4px}
.comm-list b{font-weight:500;font-size:17px}
.comm-list span:last-child{font-size:14px;color:var(--muted)}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.4fr);gap:48px 96px;align-items:start}
.faq-wrap .display{position:sticky;top:120px;font-size:clamp(30px,3.8vw,54px)}
.faq{border-top:1px solid var(--line-2)}
.qa{display:grid;grid-template-columns:62px minmax(0,1fr);gap:8px 20px;padding:30px 0;border-bottom:1px solid var(--line);min-width:0}
.qa-n{grid-row:span 2;font-family:var(--mono);font-size:11px;color:var(--accent);letter-spacing:.1em;padding-top:5px}
.qa h3{margin:0;font-family:var(--serif);font-weight:500;font-size:19px;line-height:1.5}
#app[data-lang="en"] .qa h3{font-family:var(--latin);font-weight:500;font-size:20px}
.qa p{margin:0;font-size:15px;color:var(--muted)}

/* water band */
.water{position:relative;overflow:hidden;padding-block:180px;text-align:center;background:radial-gradient(600px 300px at 50% 50%,rgba(159,179,204,.07),transparent 70%)}
.ripples{position:absolute;left:50%;top:50%;width:0;height:0}
.ripples i{position:absolute;left:0;top:0;width:560px;height:560px;margin:-280px 0 0 -280px;border:1px solid rgba(201,212,226,.22);border-radius:50%;transform:scale(.2);opacity:0;animation:ripple 9s cubic-bezier(.2,.6,.3,1) infinite}
.ripples i:nth-child(2){animation-delay:3s}.ripples i:nth-child(3){animation-delay:6s}
@keyframes ripple{0%{transform:scale(.15);opacity:0}15%{opacity:.9}100%{transform:scale(1.6);opacity:0}}
.water-in{position:relative;display:flex;flex-direction:column;gap:14px;align-items:center}
.water-en{margin:0;font-family:var(--latin);font-style:italic;font-weight:500;font-size:clamp(44px,8vw,128px);line-height:1;letter-spacing:-.01em}

/* contact */
.contact{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px 112px;align-items:start}
.contact-copy{display:flex;flex-direction:column;gap:24px;min-width:0}
.contact-copy .display{font-size:clamp(32px,4.2vw,62px)}
.contact-copy p{margin:0;color:var(--muted);max-width:28em}
.channels{margin:16px 0 0;border-top:1px solid var(--line-2)}
.channels div{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
.channels dt{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--dim)}
.channels dd,.dock dd{margin:0;font-size:14px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:flex-end;min-width:0}
.channels dd{font-size:18px}
.ch-link,.ch-text{color:var(--fg);text-decoration:none;font-family:var(--mono);letter-spacing:.01em;user-select:all;overflow-wrap:anywhere}
.ch-link{border-bottom:1px solid var(--line-2)}
.ch-link:hover{border-color:var(--fg)}
.copy-mini{all:unset;cursor:pointer;font-size:11px;letter-spacing:.1em;color:var(--muted);border:1px solid var(--line);padding:3px 9px}
.copy-mini:hover{color:var(--fg);border-color:var(--line-2)}
form{display:flex;flex-direction:column;gap:30px;min-width:0;padding-top:8px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.field{display:flex;flex-direction:column;gap:10px;min-width:0}
.field label{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--dim);text-transform:uppercase}
input,textarea{font:inherit;font-weight:300;font-size:17px;color:var(--fg);background:transparent;border:0;border-bottom:1px solid var(--line-2);border-radius:0;padding:8px 0 12px;width:100%;resize:vertical;transition:border-color .4s}
input:focus,textarea:focus{outline:0;border-bottom-color:var(--accent-2)}
input:focus-visible,textarea:focus-visible{outline:0;box-shadow:0 1px 0 0 var(--accent-2)}
input::placeholder,textarea::placeholder{color:#4C515B}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{all:unset;position:relative;font-size:13px;padding:10px 18px;border:1px solid var(--line);color:var(--muted);cursor:pointer;transition:border-color .25s,color .25s,padding .25s}
.chip:hover{color:var(--fg);border-color:var(--line-2)}
.chip[aria-pressed="true"]{border-color:rgba(236,232,225,.55);color:var(--fg);padding-left:30px}
.chip[aria-pressed="true"]::before{content:"";position:absolute;left:13px;top:50%;width:5px;height:5px;margin-top:-2.5px;border-radius:50%;background:#fff;box-shadow:0 0 8px 2px rgba(226,230,238,.6)}
.send{display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;opacity:0}
.consent{margin:0;font-size:12px;color:var(--dim)}
.consent a{color:var(--muted)}
.note{font-size:13px;color:var(--accent-2);min-height:1.5em;margin:0}

/* footer: the name set across the page, faint */
footer{position:relative;padding-block:96px 40px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);overflow:hidden}
footer .inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,3fr);gap:48px 64px}
.ft-brand{display:flex;flex-direction:column;gap:4px}
.ft-brand b{font-family:var(--serif);font-size:18px;letter-spacing:.2em;color:var(--fg)}
.ft-brand p{margin:12px 0 0;max-width:20em}
.ft-brand .ft-ch{display:flex;flex-direction:column;gap:6px;margin-top:18px}
.ft-ch a,.ft-ch span{font-family:var(--sans);font-size:13px;font-weight:400;letter-spacing:.02em;color:var(--fg);text-decoration:none}
.ft-ch a:hover{color:#fff}
.ft-map{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}
.ft-map h3{margin:0 0 14px;font-family:var(--mono);font-size:10px;font-weight:400;letter-spacing:.2em;color:var(--accent);text-transform:uppercase}
#app[data-lang="zh"] .ft-map h3{font-family:var(--sans);letter-spacing:.14em;font-size:12px}
.ft-map h3 a{text-decoration:none}
.ft-map ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.ft-map a{color:var(--muted);text-decoration:none;transition:color .2s}
.ft-map a:hover{color:var(--fg)}
.ft-word{grid-column:1/-1;margin:40px 0 -0.18em;font-family:var(--serif);font-weight:700;font-size:clamp(80px,19vw,280px);line-height:1;letter-spacing:.06em;white-space:nowrap;text-align:center;
  background:linear-gradient(180deg,rgba(236,232,225,.10),rgba(236,232,225,0) 85%);-webkit-background-clip:text;background-clip:text;color:transparent;user-select:none}
.ft-base{grid-column:1/-1;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 24px;padding-top:24px;border-top:1px solid var(--line)}
.ft-coord{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--dim)}
.ft-quote{font-family:var(--latin);font-style:italic;font-size:15px;color:var(--accent-2)}
.ft-legal{color:var(--muted);text-decoration:none}
.ft-legal:hover{color:var(--fg)}
.nos{padding-block:40px;color:var(--muted)}

/* floating contact */
.dock{position:fixed;right:calc(20px + env(safe-area-inset-right,0px));bottom:calc(20px + env(safe-area-inset-bottom,0px));z-index:80;display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.dock-btn{all:unset;box-sizing:border-box;position:relative;overflow:hidden;cursor:pointer;display:flex;align-items:center;gap:12px;height:52px;width:52px;padding:0 15px;border-radius:26px;
  background:rgba(14,19,29,.62);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);border:1px solid var(--line-2);
  box-shadow:0 18px 50px -18px rgba(0,0,0,.9);color:var(--fg);font-size:13px;letter-spacing:.12em;transition:width .5s var(--ease),border-color .3s}
.dock-btn:hover,.dock-btn[aria-expanded="true"]{width:152px;border-color:rgba(236,232,225,.35)}
.dock-lbl{white-space:nowrap;opacity:0;transition:opacity .3s .1s}
.dock-btn:hover .dock-lbl,.dock-btn[aria-expanded="true"] .dock-lbl{opacity:1}
.orb-star{position:relative;flex:none;width:20px;height:20px;border-radius:50%;background:radial-gradient(circle,#fff 0 1.8px,rgba(236,238,242,.5) 3px,rgba(226,230,238,.12) 6px,transparent 10px);animation:orb-breathe 3s ease-in-out infinite alternate}
@keyframes orb-breathe{from{transform:scale(.8);opacity:.75}to{transform:scale(1.2);opacity:1}}
.dock-panel{width:290px;max-width:calc(100vw - 40px);background:rgba(12,17,27,.82);backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);border:1px solid var(--line-2);padding:20px;display:flex;flex-direction:column;gap:12px;box-shadow:0 30px 60px -20px rgba(0,0,0,.85)}
.dock-panel[hidden]{display:none}
.dock-panel b{font-weight:500;font-size:14px}
.dock dl{margin:0}
.dock dl div{display:flex;justify-content:space-between;gap:10px;padding:10px 0;border-top:1px solid var(--line)}
.dock dt{font-family:var(--mono);font-size:10px;letter-spacing:.12em;color:var(--muted)}
.dock-link{display:inline-flex;align-items:center;gap:12px;font-size:13px;color:var(--accent-2);text-decoration:none}

/* ---------- detail pages ---------- */
.dt{padding-block:120px 24px;counter-reset:dsec}
.dt-top{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding-bottom:20px;border-bottom:1px solid var(--line)}
.dt-back{font-size:13px;color:var(--muted);text-decoration:none;letter-spacing:.06em}
.dt-back:hover{color:var(--fg)}
.dt-crumb ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--muted)}
.dt-crumb li{display:flex;gap:6px}
.dt-crumb li+li::before{content:"/";opacity:.4}
.dt-crumb a{text-decoration:none}
.dt-crumb a:hover{color:var(--fg)}
.dt-crumb [aria-current]{color:var(--fg)}
.dt-hero{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:48px;align-items:center;padding-block:64px 88px}
.dt-copy{display:flex;flex-direction:column;align-items:flex-start;gap:18px;min-width:0}
.dt-code{font-family:var(--mono);font-size:12px;letter-spacing:.16em;color:var(--dim)}
.dt-h1{margin:0;font-family:var(--serif);font-weight:700;font-size:clamp(40px,6vw,88px);line-height:1.06;letter-spacing:.03em}
#app[data-lang="en"] .dt-h1{font-family:var(--latin);font-weight:500;letter-spacing:-.015em;line-height:1}
.dt-sub{font-family:var(--latin);font-style:italic;font-size:26px;color:var(--accent-2);margin-top:-6px}
.dt-tag{margin:4px 0 0;font-family:var(--serif);font-size:21px}
#app[data-lang="en"] .dt-tag{font-family:var(--latin);font-style:italic;font-size:26px}
.dt-fig{position:relative;aspect-ratio:1;width:100%;max-width:480px;justify-self:center;background:radial-gradient(circle,rgba(159,179,204,.08),transparent 68%)}
.dt-fig{-webkit-mask:radial-gradient(circle,#000 55%,transparent 72%);mask:radial-gradient(circle,#000 55%,transparent 72%)}
#fig{position:absolute;inset:0;width:100%;height:100%;z-index:1}
.dt-sec{padding-block:72px;border-top:1px solid var(--line);display:grid;grid-template-columns:minmax(180px,.42fr) minmax(0,1.58fr);gap:28px 64px;align-items:start}
.dt-sec > :not(h2){grid-column:2;min-width:0}
h2.lbl{counter-increment:dsec;grid-column:1;grid-row:1/span 9;position:sticky;top:110px;margin:0;display:flex;flex-direction:column;gap:10px;font-family:var(--mono);font-size:11px;font-weight:400;line-height:1.6;letter-spacing:.2em;text-transform:uppercase;color:var(--accent-2)}
h2.lbl::before{content:counter(dsec,decimal-leading-zero);font-size:12px;color:var(--dim);letter-spacing:.12em}
.dt-def{display:block;padding-block:72px}
.dt-def .q{margin:0 0 24px;font-family:var(--serif);font-weight:500;font-size:clamp(24px,2.8vw,36px);max-width:26em}
#app[data-lang="en"] .dt-def .q{font-family:var(--latin);font-weight:500;font-size:clamp(26px,3vw,40px)}
.dt-def .a{margin:0 0 24px;max-width:46em;font-size:18px;line-height:1.95;color:var(--fg)}
.dt-meta{display:flex;flex-wrap:wrap;gap:16px;align-items:center;font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--muted)}
.copy{all:unset;cursor:pointer;border:1px solid var(--line-2);padding:5px 12px;font-family:var(--sans);font-size:12px;color:var(--fg)}
.inc{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:48px;border-top:1px solid var(--line-2)}
.inc li{display:grid;grid-template-columns:44px minmax(0,1fr);gap:14px;padding:20px 0;border-bottom:1px solid var(--line);font-size:15px;line-height:1.7;min-width:0}
.inc li span.n{font-family:var(--mono);font-size:11px;color:var(--accent);padding-top:3px}
.mod-group{display:flex;flex-direction:column;gap:6px}
.mod-group + .mod-group{margin-top:28px}
.mod-group h3{margin:0;font-family:var(--mono);font-size:10px;font-weight:400;letter-spacing:.22em;color:var(--accent);text-transform:uppercase}
#app[data-lang="zh"] .mod-group h3{font-family:var(--sans);letter-spacing:.16em;font-size:12px}
.proc{list-style:none;margin:0;padding:0;counter-reset:q;border-top:1px solid var(--line-2)}
.proc li{counter-increment:q;display:grid;grid-template-columns:44px minmax(0,.8fr) minmax(0,1.4fr);gap:14px 24px;align-items:baseline;padding:22px 0;border-bottom:1px solid var(--line);min-width:0}
.proc li::before{content:counter(q,decimal-leading-zero);font-family:var(--latin);font-style:italic;font-size:22px;color:var(--accent-2);line-height:1}
.proc b{font-family:var(--serif);font-weight:600;font-size:18px}
#app[data-lang="en"] .proc b{font-family:var(--latin);font-weight:500}
.proc span{font-size:14px;color:var(--muted)}
.dt-sec .faq{border-top:1px solid var(--line-2)}
.dt-sec .qa{grid-template-columns:minmax(0,1fr)}
.pn{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:28px}
.pn a{color:var(--muted);text-decoration:none;font-size:14px}
.pn a:hover{color:var(--fg)}
.cta-band{margin-block:24px 96px;padding:96px 0 0;border-top:1px solid var(--line-2);display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:32px}
.cta-band h2{margin:0;font-family:var(--serif);font-weight:600;font-size:clamp(34px,5vw,72px);line-height:1.1;letter-spacing:.02em}
#app[data-lang="en"] .cta-band h2{font-family:var(--latin);font-weight:500;letter-spacing:-.01em}
.tiers-mini{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line-2)}
.tiers-mini div{padding:24px 24px 24px 0;display:flex;flex-direction:column;gap:8px;min-width:0}
.tiers-mini div+div{padding-left:24px;border-left:1px solid var(--line)}
.tiers-mini b{font-family:var(--serif);font-weight:600;font-size:20px}
.tiers-mini small{font-family:var(--mono);font-size:11px;color:var(--accent)}
.tiers-mini span{font-size:14px;color:var(--muted)}

/* cursor */
body.fx, body.fx *{cursor:none!important}
@media (pointer:coarse){body.fx,body.fx *{cursor:auto!important}#fx{display:none!important}}
#fx{position:fixed;inset:0;pointer-events:none;z-index:9999;opacity:0;transition:opacity .3s;transform:translateZ(0);will-change:transform;contain:strict}
#fx.on{opacity:1}
#trail{position:absolute;inset:0;width:100%;height:100%}
#ring{position:fixed;left:0;top:0;width:34px;height:34px;border:1px solid rgba(201,212,226,.45);border-radius:50%;transition:width .35s cubic-bezier(.2,.8,.2,1),height .35s cubic-bezier(.2,.8,.2,1),border-radius .35s,background .3s;will-change:transform}
#ring.snap{background:rgba(236,232,225,.05)}
#ring.press{width:24px;height:24px}
#core{position:fixed;left:0;top:0;width:5px;height:5px;border-radius:50%;background:#F7F5F0;box-shadow:0 0 5px 1px #F2EFE9,0 0 16px 4px rgba(201,212,226,.4);will-change:transform;transition:opacity .2s}
#core.hide{opacity:0}
body.fx input,body.fx textarea{cursor:text!important}

/* Chinese labels: text face with gentle tracking, never a Latin mono face */
#app[data-lang="zh"] :is(.label,.eyebrow,.field label,.channels dt,.dock dt,h2.lbl,.dt-crumb ol,.dt-meta){
  font-family:var(--sans);text-transform:none;letter-spacing:.12em;font-size:12px;font-weight:400}
#app[data-lang="zh"] h2.lbl{font-size:14px;letter-spacing:.16em}
#app[data-lang="zh"] h2.lbl::before{font-family:var(--mono)}

/* responsive */
@media (max-width:1280px){.rail{display:none}}
@media (max-width:1100px){.links{gap:20px}.links a:nth-child(n+5){display:none}}
@media (max-width:960px){
  .links{display:none}
  .menu-btn{display:block;margin-left:6px}
  .nav .lang{margin-left:auto}
  .nav .lang+.nav-cta{display:none}
  .sec{padding-block:100px}
  .mk{margin-bottom:44px}
  .open,.open-r,.dom,.about,.comm,.faq-wrap,.contact,.dt-hero,.cs{grid-template-columns:minmax(0,1fr)}
  .open{margin-bottom:64px}
  .open-r .display{order:0;text-align:left}
  .dom{gap:36px}
  .dom-h{position:relative;top:0}
  .faq-wrap .display{position:static}
  .hero-in{grid-template-columns:minmax(0,1fr);padding-block:0 110px}
  .readout{display:none}
  .mx-head{display:none}
  .mx-row{grid-template-columns:minmax(0,1fr)}
  .mx-k{padding:24px 0 8px;color:var(--accent-2)}
  .mx-c{border-left:0;padding:14px 0 14px 0;display:grid;grid-template-columns:110px minmax(0,1fr);gap:16px}
  .mx-c + .mx-c{border-top:1px solid var(--line)}
  .mx-lab{display:block;font-family:var(--serif);font-weight:600;color:var(--fg)}
  #app[data-lang="en"] .mx-lab{font-family:var(--latin);font-weight:500}
  .mx-foot{display:none}
  .manifesto li{grid-template-columns:minmax(0,1fr);gap:14px;padding-block:36px}
  .ledger{grid-template-columns:repeat(2,minmax(0,1fr))}
  .traj-svg,.traj-nodes{display:none}
  .steps{grid-template-columns:minmax(0,1fr);margin:0;gap:0;border-left:1px solid var(--line-2)}
  .st{padding:0 0 36px 28px;position:relative;opacity:1}
  .st::before{content:"";position:absolute;left:-5px;top:12px;width:9px;height:9px;border-radius:50%;background:#fff;box-shadow:0 0 8px 2px rgba(201,212,226,.5)}
  .cs-top{flex-direction:column;align-items:flex-start}
  .cs{gap:32px;padding:40px 0}
  .facts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .facts div:nth-child(3){padding-left:0;border-left:0}
  .facts div:nth-child(n+3){padding-top:36px}
  footer .inner{grid-template-columns:minmax(0,1fr)}
  .ft-map{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dt-sec{grid-template-columns:minmax(0,1fr)}
  .dt-sec > :not(h2){grid-column:1}
  h2.lbl{position:static;grid-row:auto;flex-direction:row;gap:14px}
  .dt-fig{order:-1;max-width:300px}
  .tiers-mini,.inc{grid-template-columns:minmax(0,1fr)}
  .tiers-mini div+div{padding-left:0;border-left:0;border-top:1px solid var(--line)}
}
@media (max-width:640px){
  .nav-cta{display:none}
  .crow{grid-template-columns:48px minmax(0,1fr) 20px;gap:14px}
  .c-tag{display:none}
  .row2,.ledger{grid-template-columns:minmax(0,1fr)}
  h1 .ln{white-space:normal}
  .hero{min-height:max(700px,100svh)}
  .hero-foot .hint{display:none}
  .water{padding-block:120px}
  .mk-f{display:none}
  .mx-c{grid-template-columns:minmax(0,1fr);gap:4px}
  .proc li{grid-template-columns:36px minmax(0,1fr)}
  .proc li span{grid-column:2}
  .cs-btn{width:48px;height:48px}
  .cs{flex-basis:88vw}
}
@media (hover:none){.dock-btn{width:52px}.btn{min-height:48px}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.js [data-rv]{opacity:1;transform:none;filter:none}}

.legal{max-width:760px;padding-block:64px 96px;display:flex;flex-direction:column;gap:14px}
.legal p{margin:0 0 10px;color:var(--muted)}
.legal h2.lbl{margin-top:22px;position:static;flex-direction:row;gap:12px}
.nf{padding-block:120px 160px;display:flex;flex-direction:column;gap:20px;align-items:flex-start}
.ft-legal{color:var(--muted);text-decoration:none}
.ft-legal:hover{color:var(--fg)}