/* Layout: product-page rhythm. A full-bleed liquid-silk hero carries the name; below it a scroll-lit
   statement, three numbers, three illustrated tiles and a large contact block. Inner pages are
   headline + spec-sheet rows. Light first, dark green accent; dark follows the viewer's system. */
:root{
  --bg:#FFFFFF;
  --bg-2:#F4F6F4;
  --fg:#1B1F1C;
  --muted:#636B66;
  --dim:#CDD3CF;
  --line:#DADFDB;
  --accent:#14532D;
  --accent-hover:#0D3E21;
  --on-accent:#FFFFFF;
  --tint:#E8F0EA;
  --silk:#03130B;
  --f:"Geist", -apple-system, "Helvetica Neue", Arial, sans-serif;
  --zh:"PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --ease:cubic-bezier(.2,.8,.2,1);
  --max:1160px;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0A0C0B;--bg-2:#141816;--fg:#F2F5F3;--muted:#A0A8A3;--dim:#343B37;--line:#262C29;
  --accent:#7BD69B;--accent-hover:#A2E6B9;--on-accent:#06120B;--tint:#122219;color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0A0C0B;--bg-2:#141816;--fg:#F2F5F3;--muted:#A0A8A3;--dim:#343B37;--line:#262C29;
  --accent:#7BD69B;--accent-hover:#A2E6B9;--on-accent:#06120B;--tint:#122219;color-scheme:dark}

*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--f);font-size:17px;line-height:1.55;letter-spacing:-.011em;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3{margin:0;text-wrap:balance;font-weight:650;letter-spacing:-.035em}
p{margin:0}
a{color:inherit}
:lang(zh){font-family:var(--zh);letter-spacing:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:8px}
.wrap{max-width:var(--max);margin:0 auto;padding-left:max(16px, env(safe-area-inset-left, 0px));padding-right:max(16px, env(safe-area-inset-right, 0px))}
@media (min-width:720px){.wrap{padding-left:max(32px, env(safe-area-inset-left, 0px));padding-right:max(32px, env(safe-area-inset-right, 0px))}}

/* ---------- Nav ---------- */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top, 0px);z-index:30;background:var(--bg);transition:background .4s}
body.over-hero::before{background:var(--silk)}
.nav{position:fixed;top:env(safe-area-inset-top, 0px);left:0;right:0;z-index:20;background:var(--bg);border-bottom:1px solid var(--line);transition:background .4s, border-color .4s}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px}
.brand{text-decoration:none;border:0;background:none;padding:8px 0;font:600 17px/1 var(--f);letter-spacing:-.02em;color:var(--fg);cursor:pointer;flex:none;transition:color .4s}
.links{position:relative;display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;min-width:0}
.links::-webkit-scrollbar{display:none}
.links a{flex:none;display:flex;align-items:center;min-height:44px;padding:0 12px;font-size:14px;color:var(--muted);text-decoration:none;transition:color .25s}
.links a:hover,.links a[aria-current="page"]{color:var(--fg)}
.bar{position:absolute;left:0;bottom:6px;height:2px;border-radius:2px;width:var(--w,0);transform:translateX(var(--x,0));background:var(--fg);transition:transform .5s var(--ease), width .5s var(--ease), background .4s}
.nav.clear{background:transparent;border-bottom-color:transparent}
.nav.clear .brand,.nav.clear .links a[aria-current="page"],.nav.clear .links a:hover{color:#fff}
.nav.clear .links a{color:rgba(255,255,255,.72)}
.nav.clear .bar{background:#fff}
@media (max-width:640px){.brand{display:none}.links{width:100%;justify-content:space-between}.links a{padding:0 6px}}

/* ---------- Buttons ---------- */
.btns{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;border-radius:999px;border:1px solid transparent;font:500 16px/1 var(--f);letter-spacing:-.01em;text-decoration:none;cursor:pointer;transition:background .25s, color .25s, border-color .25s, transform .4s var(--ease)}
.btn:active{transform:scale(.97)}
.btn.primary{background:var(--accent);color:var(--on-accent)}
.btn.primary:hover{background:var(--accent-hover)}
.btn.ghost{border-color:var(--fg);color:var(--fg);background:transparent}
.btn.ghost:hover{background:var(--fg);color:var(--bg)}
.btn.light{background:#fff;color:#0D3E21}
.btn.light:hover{background:#E4F7C8}
.btn.line{border-color:rgba(255,255,255,.7);color:#fff}
.btn.line:hover{background:#fff;color:#0D3E21;border-color:#fff}
.btn .ok{display:none}.btn.copied .ok{display:inline}.btn.copied .idle{display:none}
.more{display:inline-flex;align-items:center;gap:4px;color:var(--accent);font-size:16px;font-weight:500;text-decoration:none}
.more svg{width:14px;height:14px;transition:transform .35s var(--ease)}
a:hover .more svg{transform:translateX(3px)}

/* ---------- Views ---------- */
.view[hidden]{display:none}
.view.enter{animation:viewIn .8s var(--ease) both}
@keyframes viewIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;justify-content:center;overflow:hidden;background:var(--silk);color:#fff;isolation:isolate}
.hero canvas{position:absolute;inset:0;width:100%;height:100%;display:block;z-index:-1;animation:fadeIn 1.6s ease both}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.hero-copy{text-align:center;padding-block:120px 96px;will-change:transform, opacity}
.hero h1{font-size:clamp(60px, 11.5vw, 148px);line-height:.93;letter-spacing:-.058em;font-weight:680;animation:up 1.2s var(--ease) .2s both;text-shadow:0 2px 40px rgba(0,20,10,.35)}
.hero .sub{margin:22px auto 0;max-width:28em;font-size:clamp(19px, 2.2vw, 24px);line-height:1.38;color:rgba(255,255,255,.84);letter-spacing:-.02em;animation:up 1.2s var(--ease) .4s both}
.hero .btns{margin-top:34px;cursor:auto;animation:up 1.2s var(--ease) .55s both}
@keyframes up{from{opacity:0;transform:translateY(24px);filter:blur(10px)}to{opacity:1;transform:none;filter:none}}
.hint{position:absolute;left:50%;bottom:calc(24px + env(safe-area-inset-bottom, 0px));transform:translateX(-50%);padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.12);color:rgba(255,255,255,.86);font-size:13px;white-space:nowrap;pointer-events:none;transition:opacity .6s;animation:fadeIn 1s ease 1.6s both}
.hero.touched .hint{opacity:0}

/* ---------- Statement (scroll-lit words) ---------- */
.statement{position:relative;height:190vh}
.statement .inner{position:sticky;top:calc(56px + env(safe-area-inset-top, 0px));min-height:calc(100vh - 56px);display:flex;align-items:center}
.statement p{font-size:clamp(32px, 5vw, 64px);line-height:1.1;font-weight:620;letter-spacing:-.04em;max-width:17em}
.statement .w{color:var(--dim);transition:color .35s}
.statement .w.on{color:var(--fg)}
.statement .w.on.hl{color:var(--accent)}
.statement.static{height:auto;padding-block:120px}
.statement.static .inner{position:static;min-height:0}

/* ---------- Numbers ---------- */
.numbers{display:grid;grid-template-columns:repeat(auto-fit, minmax(240px, 1fr));gap:48px 32px;padding-block:40px 120px;text-align:center}
.num b{display:block;font-size:clamp(84px, 10vw, 128px);line-height:1;font-weight:680;letter-spacing:-.06em;font-variant-numeric:tabular-nums;background:linear-gradient(180deg, var(--fg) 25%, var(--accent) 120%);-webkit-background-clip:text;background-clip:text;color:transparent}
.num .label{display:block;margin-top:10px;font-size:19px;color:var(--muted)}

/* ---------- Tiles ---------- */
.tiles-head{margin-bottom:28px}
.tiles-head h2{font-size:clamp(36px, 4.6vw, 56px);line-height:1.02}
.tiles{display:grid;grid-template-columns:repeat(auto-fit, minmax(300px, 1fr));gap:20px}
.tile{display:flex;flex-direction:column;border-radius:26px;overflow:hidden;background:var(--bg-2);text-decoration:none;color:inherit;cursor:pointer;transition:transform .6s var(--ease)}
.tile:hover{transform:translateY(-4px)}
.art{position:relative;aspect-ratio:4/3;max-width:100%;overflow:hidden;background:var(--tint);display:flex;align-items:center;justify-content:center}
.tile .txt{padding:22px 24px 26px;display:flex;flex-direction:column;gap:8px;flex:1}
.tile h3{font-size:26px;line-height:1.1;letter-spacing:-.03em}
.tile p{color:var(--muted)}
.tile .more{margin-top:auto;padding-top:8px}

/* Tile art 1: delegate placard cycling through delegations */
.placard-wrap{display:flex;flex-direction:column;align-items:center;gap:14px;perspective:700px;transition:transform .8s var(--ease)}
.tile:hover .placard-wrap{transform:translateY(-4px) scale(1.03)}
.pl-label{font-size:13px;font-weight:500;color:var(--accent);letter-spacing:.02em}
.placard{position:relative;width:min(250px, 70%);min-width:200px;height:84px;transform:perspective(700px) rotateX(14deg)}
.placard::before{content:"";position:absolute;inset:0;border-radius:10px;background:#fff;box-shadow:0 1px 0 rgba(0,0,0,.04), 0 18px 40px -16px rgba(13,62,33,.45)}
.placard::after{content:"";position:absolute;left:8%;right:8%;bottom:-14px;height:14px;border-radius:0 0 8px 8px;background:#DCE7DF;transform-origin:top;transform:rotateX(-60deg)}
.placard span{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:0 14px;text-align:center;font-weight:650;font-size:21px;letter-spacing:-.02em;line-height:1.1;color:#0D3E21;opacity:0;z-index:1;animation:flip 17.5s var(--ease) infinite;animation-delay:calc(var(--i) * 2.5s)}
@keyframes flip{0%{opacity:0;transform:translateY(14px);filter:blur(6px)}2.5%{opacity:1;transform:none;filter:none}12%{opacity:1;transform:none;filter:none}14.3%{opacity:0;transform:translateY(-14px);filter:blur(6px)}100%{opacity:0}}
.gavel-line{width:46px;height:3px;border-radius:3px;background:var(--accent);opacity:.35;margin-top:10px}

/* Tile art 2: bilingual debate bubbles + business bars */
.debate{position:relative;width:82%;height:72%}
.bub{position:absolute;max-width:66%;padding:12px 16px;border-radius:18px;font-size:16px;font-weight:550;line-height:1.25;box-shadow:0 14px 30px -18px rgba(13,62,33,.5);animation:pop 6s var(--ease) infinite both}
.bub.en{left:0;top:4%;background:#fff;color:#1B1F1C;border-bottom-left-radius:6px}
.bub.zh{right:0;top:34%;background:#14532D;color:#fff;border-bottom-right-radius:6px;animation-delay:.6s}
@keyframes pop{0%{opacity:0;transform:translateY(10px) scale(.94)}8%,82%{opacity:1;transform:none}92%,100%{opacity:0;transform:translateY(-6px)}}
.bars{position:absolute;left:0;bottom:0;display:flex;align-items:flex-end;gap:7px;height:38%}
.bars i{display:block;width:16px;border-radius:5px 5px 2px 2px;background:var(--accent);opacity:.85;height:var(--h);transform-origin:bottom;animation:grow 6s var(--ease) infinite both;animation-delay:calc(1.1s + var(--i) * .12s)}
@keyframes grow{0%{transform:scaleY(0)}12%,82%{transform:scaleY(1)}94%,100%{transform:scaleY(0)}}
.bars-label{position:absolute;left:0;bottom:calc(38% + 10px);font-size:12px;font-weight:500;color:var(--accent);animation:pop 6s var(--ease) infinite both;animation-delay:1.1s}

/* Tile art 3: project in progress */
.art.dark{background:#0D3E21;flex-direction:column;align-items:flex-start;justify-content:flex-end;padding:24px;gap:16px}
.art.dark .mbm{color:#fff;font-size:clamp(40px, 4.4vw, 52px);font-weight:680;letter-spacing:-.055em;line-height:.95}
.progress{position:relative;width:100%;height:6px;border-radius:6px;background:rgba(255,255,255,.14);overflow:hidden}
.progress::after{content:"";position:absolute;inset:0;width:38%;border-radius:6px;background:linear-gradient(90deg, rgba(228,247,200,0), #E4F7C8, rgba(228,247,200,0));animation:scan 2.8s ease-in-out infinite}
@keyframes scan{from{transform:translateX(-100%)}to{transform:translateX(270%)}}
.badge{display:inline-flex;align-items:center;gap:7px;align-self:flex-start;padding:5px 11px;border-radius:999px;background:rgba(255,255,255,.14);color:#fff;font-size:13px;font-weight:500}
.badge i{width:6px;height:6px;border-radius:50%;background:currentColor;animation:blink 1.8s ease-in-out infinite}
@keyframes blink{50%{opacity:.3}}
.art.dark .badge{position:absolute;left:24px;top:22px}

/* ---------- Contact ---------- */
.contact{padding-block:160px 140px;text-align:center}
.contact h2{font-size:clamp(52px, 8.5vw, 112px);line-height:.95;letter-spacing:-.055em}
.contact .addr{display:block;margin:22px auto 34px;font-size:clamp(20px, 2.6vw, 28px);color:var(--muted);letter-spacing:-.02em;user-select:all;word-break:break-all}

footer{border-top:1px solid var(--line);padding-block:24px calc(24px + env(safe-area-inset-bottom, 0px))}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;color:var(--muted);font-size:13px}

/* ---------- Inner pages ---------- */
.page{padding-block:150px 120px}
.head{max-width:880px;margin-bottom:80px}
.kicker{display:block;color:var(--accent);font-weight:600;font-size:19px;letter-spacing:-.01em;margin-bottom:12px}
.head h1{font-size:clamp(48px, 8vw, 96px);line-height:.98;letter-spacing:-.05em}
.head p{margin-top:22px;font-size:clamp(19px, 2.2vw, 24px);line-height:1.4;color:var(--muted);max-width:32em;letter-spacing:-.02em}

.list{border-top:1px solid var(--line)}
.item{display:flex;flex-wrap:wrap;gap:12px 40px;padding-block:36px;border-bottom:1px solid var(--line)}
.item .when{flex:0 0 120px;font-size:15px;color:var(--muted);padding-top:6px;font-variant-numeric:tabular-nums}
.item .what{flex:1 1 480px;min-width:0}
.item .tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.tag{display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;background:var(--bg-2);font-size:13px;font-weight:500;color:var(--muted)}
.tag.lead{background:var(--tint);color:var(--accent)}
.item h2{font-size:clamp(25px, 2.8vw, 32px);line-height:1.12;letter-spacing:-.03em}
.item .meta{margin-top:6px;color:var(--muted)}
.item .body{margin-top:14px;max-width:38em}
.topic{margin-top:18px;padding:18px 20px;border-radius:16px;background:var(--bg-2);max-width:38em}
.topic small{display:block;color:var(--muted);font-size:13px;margin-bottom:4px}
.topic .more{margin-top:12px}
.topic p{font-size:20px;font-weight:550;letter-spacing:-.02em;line-height:1.3}
.ph{background:var(--tint);border-radius:5px;padding:0 5px}
.group + .group{margin-top:96px}
.group > h2{font-size:clamp(30px, 3.6vw, 40px);margin-bottom:24px}

.teaser{position:relative;border-radius:32px;overflow:hidden;min-height:clamp(440px, 52vw, 640px);display:flex;align-items:flex-end;background:var(--silk)}
.teaser canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.teaser::after{content:"";position:absolute;inset:0;background:linear-gradient(to top, rgba(3,19,11,.78), rgba(3,19,11,0) 60%);pointer-events:none}
.teaser .copy{position:relative;z-index:1;padding:clamp(28px, 5vw, 56px);color:#fff;display:flex;flex-direction:column;gap:14px}
.teaser h2{font-size:clamp(48px, 8vw, 104px);line-height:.92;letter-spacing:-.055em;color:#fff}
.teaser p{font-size:clamp(18px, 2vw, 22px);color:rgba(255,255,255,.84);max-width:24em}

@supports (animation-timeline: view()){
  .reveal{animation:rise linear both;animation-timeline:view();animation-range:entry 0% entry 45%}
  @keyframes rise{from{opacity:.001;transform:translateY(36px)}to{opacity:1;transform:none}}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .placard span:first-child,.bub,.bars-label{opacity:1}
}

/* ---------- Page-to-page transitions (multi-page) ---------- */
@view-transition{navigation:auto}
.nav{view-transition-name:site-nav}
.bar{view-transition-name:nav-bar}
::view-transition-old(root){animation:vtOut .22s ease both}
::view-transition-new(root){animation:vtIn .5s var(--ease) both}
@keyframes vtOut{to{opacity:0}}
@keyframes vtIn{from{opacity:0;transform:translateY(10px)}}
@media (prefers-reduced-motion: reduce){@view-transition{navigation:none}}
.notfound{min-height:70vh;display:flex;flex-direction:column;justify-content:center;gap:24px}