/* =========================================================
   Like Vision · 莱克视界 — Apple-style global stylesheet
   ========================================================= */
:root{
  --bg:#FFFFFF;
  --bg-2:#F5F5F7;
  --bg-3:#FAFAFB;
  --ink:#0A0A0B;
  --ink-2:#3A3A3C;
  --ink-3:#86868B;
  --ink-4:#B8B8BC;
  --line:#E4E4E7;
  --line-2:#EFEFF1;
  --accent:#0071E3;
  --accent-d:#0058B0;
  --red:#E63946;
  --red-d:#B5293A;
  --green:#34C759;
  --r:14px;
  --r-l:22px;
  --pad:clamp(80px,11vw,160px);
  --max:1280px;
  --max-n:1080px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;-webkit-text-size-adjust:100%}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{
  margin:0;background:#fff;color:var(--ink);
  font-family:"SF Pro Display","SF Pro Text","Inter","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,sans-serif;
  font-size:17px;line-height:1.55;letter-spacing:-.005em;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
html[lang="zh"] body{font-family:"PingFang SC","Microsoft YaHei","SF Pro Display","Inter",sans-serif;letter-spacing:0}
html[lang="ar"] body{font-family:"Tajawal","Noto Sans Arabic","SF Pro Display",sans-serif;letter-spacing:0}
html[lang="vi"] body{font-family:"SF Pro Display","Inter","Be Vietnam Pro","Noto Sans",sans-serif}
html[dir="rtl"]{direction:rtl}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:opacity .2s,color .2s}
button{font-family:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.wrap-n{max-width:var(--max-n);margin:0 auto;padding:0 24px}

/* ============ TYPOGRAPHY ============ */
.eyebrow{display:block;font-size:12px;letter-spacing:.18em;font-weight:600;color:var(--ink-3);text-transform:uppercase;margin-bottom:18px}
.eyebrow.brand{color:var(--accent)}
.eyebrow.red{color:var(--red)}
.eyebrow.light{color:rgba(255,255,255,.55)}
.h-x{font-weight:700;font-size:clamp(48px,8vw,108px);line-height:.98;letter-spacing:-.04em;margin:0}
.h-1{font-weight:600;font-size:clamp(38px,5vw,68px);line-height:1.04;letter-spacing:-.03em;margin:0 0 22px}
.h-2{font-weight:600;font-size:clamp(28px,3vw,40px);line-height:1.12;letter-spacing:-.02em;margin:0 0 14px}
.h-sub{font-weight:400;font-size:clamp(17px,1.7vw,22px);line-height:1.5;color:var(--ink-2);letter-spacing:-.005em;margin:0;max-width:760px}
.lead{font-size:17px;color:var(--ink-2);line-height:1.6;max-width:680px}
.link-arrow{display:inline-flex;align-items:center;gap:4px;color:var(--accent);font-weight:500;font-size:15px;transition:.2s}
.link-arrow::after{content:"→";font-size:1.05em;line-height:1;margin-inline-start:6px;transition:transform .25s}
html[dir="rtl"] .link-arrow::after{content:"←"}
.link-arrow:hover{color:var(--accent-d)}
.link-arrow:hover::after{transform:translateX(6px)}
html[dir="rtl"] .link-arrow:hover::after{transform:translateX(-6px)}
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:14px 26px;
  border-radius:980px;background:var(--ink);color:#fff;
  font-size:15px;font-weight:500;letter-spacing:-.005em;
  transition:.2s;border:0;cursor:pointer;
}
.btn:hover{background:#222;color:#fff;transform:translateY(-1px)}
.btn.outline{background:transparent;color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.5)}
.btn.outline:hover{background:rgba(255,255,255,.1)}
.btn.outline.dark{color:var(--ink);box-shadow:inset 0 0 0 1.5px rgba(0,0,0,.2)}
.btn.outline.dark:hover{background:rgba(0,0,0,.05)}
.btn.primary{background:var(--accent);color:#fff}
.btn.primary:hover{background:var(--accent-d)}
.btn.red{background:var(--red);color:#fff}
.btn.red:hover{background:var(--red-d)}

/* ============ NAV ============ */
.nav{
  position:fixed;top:0;inset-inline:0;z-index:200;height:60px;
  padding-top:max(env(safe-area-inset-top),12px);
  box-sizing:content-box;
  background:transparent;color:#fff;
  transition:background .35s,color .35s,border-color .35s;
}
.nav::before{
  content:"";position:absolute;left:0;right:0;top:0;height:calc(100% + 40px);
  background:linear-gradient(180deg,rgba(0,0,0,.5) 0%,rgba(0,0,0,0) 100%);
  pointer-events:none;z-index:-1;opacity:1;transition:opacity .35s;
}
.nav.solid::before{opacity:0}
/* iOS 26 Liquid Glass — desktop / scrolled */
.nav.solid{
  background:rgba(255,255,255,.5);
  -webkit-backdrop-filter:saturate(200%) blur(28px);
  backdrop-filter:saturate(200%) blur(28px);
  border-bottom:0.5px solid rgba(0,0,0,.08);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.6),0 1px 12px rgba(0,0,0,.04);
  color:var(--ink);
}
.nav.always-solid{
  background:rgba(255,255,255,.58);
  -webkit-backdrop-filter:saturate(200%) blur(28px);
  backdrop-filter:saturate(200%) blur(28px);
  border-bottom:0.5px solid rgba(0,0,0,.08);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.6),0 1px 12px rgba(0,0,0,.04);
  color:var(--ink);
}
.nav.always-solid::before{display:none}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:100%;max-width:1340px;margin:0 auto;padding:0 24px;gap:18px;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:inherit;letter-spacing:-.01em}
.brand .mark{
  display:inline-flex;align-items:center;gap:6px;
  font-family:"SF Pro Display","Inter",sans-serif;font-weight:800;font-size:22px;letter-spacing:-.02em;
}
.brand .mark .x{
  display:inline-block;width:22px;height:22px;position:relative;
}
.brand .mark .x::before,.brand .mark .x::after{
  content:"";position:absolute;left:50%;top:50%;width:24px;height:3px;background:currentColor;border-radius:2px;
}
.brand .mark .x::before{transform:translate(-50%,-50%) rotate(45deg)}
.brand .mark .x::after{transform:translate(-50%,-50%) rotate(-45deg)}
.nav-menu{display:flex;align-items:center;gap:2px;flex:1;justify-content:center}
.nav-menu a{padding:8px 16px;font-size:14px;font-weight:500;opacity:.88;transition:.15s;border-radius:8px;color:inherit}
.nav-menu a:hover,.nav-menu a.active{opacity:1;background:rgba(255,255,255,.12)}
.nav.solid .nav-menu a:hover,.nav.solid .nav-menu a.active,
.nav.always-solid .nav-menu a:hover,.nav.always-solid .nav-menu a.active{background:rgba(0,0,0,.05)}
.nav-right{display:flex;align-items:center;gap:8px}
.lang{
  position:relative;
  background:rgba(255,255,255,.12);border:0;
  padding:7px 14px;border-radius:980px;font-size:13px;font-weight:500;
  color:inherit;cursor:pointer;font-family:inherit;display:flex;align-items:center;gap:6px;
  transition:.15s;
}
.lang:hover{background:rgba(255,255,255,.22)}
.nav.solid .lang,.nav.always-solid .lang{background:rgba(0,0,0,.05)}
.nav.solid .lang:hover,.nav.always-solid .lang:hover{background:rgba(0,0,0,.08)}
.lang svg{width:14px;height:14px}
.lang-menu{
  position:absolute;top:calc(100% + 10px);inset-inline-end:0;
  /* iOS 26 Liquid Glass */
  background:rgba(255,255,255,.58);
  -webkit-backdrop-filter:saturate(200%) blur(32px);
  backdrop-filter:saturate(200%) blur(32px);
  border:0.5px solid rgba(255,255,255,.5);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.7),
    inset 0 -1px 0 rgba(0,0,0,.04),
    0 18px 44px rgba(0,0,0,.18);
  border-radius:16px;padding:6px;min-width:172px;
  display:none;flex-direction:column;color:var(--ink);
  overflow:hidden;
}
.lang-menu::before{
  content:"";position:absolute;inset:0;pointer-events:none;border-radius:inherit;
  background:linear-gradient(180deg,rgba(255,255,255,.25) 0%,rgba(255,255,255,.04) 50%,transparent 100%);
}
.lang-menu.open{display:flex}
.lang-menu button{position:relative;z-index:1}
.lang-menu button{
  background:transparent;border:0;padding:10px 14px;border-radius:8px;
  font-size:14px;font-weight:500;text-align:start;cursor:pointer;color:inherit;
  display:flex;align-items:center;gap:10px;font-family:inherit;
  transition:.15s;
}
.lang-menu button:hover{background:rgba(0,0,0,.05)}
.lang-menu button.active{background:rgba(0,113,227,.1);color:var(--accent)}
.lang-menu button .flag{font-size:16px}
.nav-toggle{display:none;background:none;border:0;padding:8px;color:inherit;cursor:pointer}
.nav-toggle svg{width:22px;height:22px}

/* ============ HERO ============ */
.hero{
  position:relative;width:100%;height:100vh;min-height:680px;
  background:#000;color:#fff;overflow:hidden;
}
.hero-bg{position:absolute;inset:0;overflow:hidden;z-index:0}
.hero-bg video,.hero-bg img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  filter:brightness(.5) contrast(1.08) saturate(1.05);
}
.hero-bg img{
  transform:scale(1.06);
  animation:kburns 22s ease-in-out infinite alternate;
}
@keyframes kburns{
  0%{transform:scale(1.04) translate(0,0)}
  100%{transform:scale(1.12) translate(-14px,-10px)}
}
.hero-overlay{
  position:absolute;inset:0;pointer-events:none;z-index:1;
  background:
    linear-gradient(180deg,rgba(0,0,0,.4) 0%,rgba(0,0,0,.1) 28%,rgba(0,0,0,.5) 72%,rgba(0,0,0,.88) 100%),
    radial-gradient(900px 600px at 20% 30%,rgba(0,113,227,.32),transparent 55%);
}
.hero-grid{
  position:absolute;inset:0;pointer-events:none;z-index:1;
  background-image:
    linear-gradient(to right,rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:140px 140px;
  mask-image:linear-gradient(180deg,transparent 0%,#000 20%,#000 80%,transparent 100%);
  -webkit-mask-image:linear-gradient(180deg,transparent 0%,#000 20%,#000 80%,transparent 100%);
}
.hero-watermark{
  position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);
  text-align:center;z-index:2;pointer-events:none;overflow:hidden;
  font-family:"SF Pro Display","Inter",sans-serif;
  font-weight:900;letter-spacing:-.02em;
  font-size:clamp(100px,22vw,340px);line-height:.85;
  color:transparent;
  -webkit-text-stroke:1.2px rgba(255,255,255,.08);
  white-space:nowrap;user-select:none;
  opacity:0;
  animation:wmFade 2.2s .4s cubic-bezier(.2,.85,.15,1) forwards;
}
@keyframes wmFade{
  0%{opacity:0;transform:translateY(-50%) scale(1.12)}
  100%{opacity:1;transform:translateY(-50%) scale(1)}
}
.hero-inner{
  position:relative;height:100%;
  max-width:var(--max);margin:0 auto;padding:120px 24px 100px;
  display:flex;flex-direction:column;justify-content:flex-end;
  z-index:5;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 16px;border-radius:980px;
  background:rgba(255,255,255,.1);backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.18);
  font-size:12.5px;font-weight:500;letter-spacing:.06em;
  color:rgba(255,255,255,.92);text-transform:uppercase;
  align-self:flex-start;margin-bottom:32px;
  opacity:0;transform:translateY(20px);
  animation:rise .9s .2s cubic-bezier(.2,.85,.15,1) forwards;
}
.hero-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(52,199,89,.22)}
@keyframes rise{to{opacity:1;transform:none}}
.hero h1{
  font-weight:700;font-size:clamp(48px,9vw,128px);line-height:.96;
  letter-spacing:-.04em;color:#fff;margin:0 0 28px;max-width:1080px;
}
html[lang="zh"] .hero h1{
  font-family:"PingFang SC","Microsoft YaHei","SF Pro Display",sans-serif;
  letter-spacing:-.03em;line-height:1.04;
  font-size:clamp(46px,8.5vw,116px);
}
.hero h1 .line{display:block;overflow:hidden}
.hero h1 .line > span{display:inline-block;transform:translateY(105%);animation:wrise 1.2s cubic-bezier(.2,.85,.15,1) forwards}
.hero h1 .line:nth-child(2) > span{animation-delay:.18s}
.hero h1 .accent{
  background:linear-gradient(120deg,#7DCDF5 0%,#0071E3 60%,#E63946 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
@keyframes wrise{to{transform:translateY(0)}}
.hero-sub{
  font-size:clamp(16px,1.6vw,21px);line-height:1.5;
  color:rgba(255,255,255,.78);max-width:620px;margin:0 0 40px;
  opacity:0;transform:translateY(20px);
  animation:rise 1s 1.1s cubic-bezier(.2,.8,.2,1) forwards;
}
.hero-cta-row{
  display:flex;gap:12px;flex-wrap:wrap;align-items:center;
  opacity:0;transform:translateY(20px);
  animation:rise 1s 1.3s cubic-bezier(.2,.8,.2,1) forwards;
}
.hero-meta{
  position:absolute;left:24px;right:24px;bottom:32px;z-index:5;
  display:flex;justify-content:space-between;align-items:flex-end;gap:24px;
  color:rgba(255,255,255,.7);font-size:12px;letter-spacing:.06em;
  text-transform:uppercase;font-weight:500;
  opacity:0;animation:rise 1s 1.6s cubic-bezier(.2,.8,.2,1) forwards;
  pointer-events:none;
  max-width:calc(var(--max) - 0px);margin:0 auto;
}
.hero-meta > div{max-width:max-content}
.hero-meta .num{
  font-family:"SF Pro Display","Inter",sans-serif;
  font-size:34px;font-weight:600;line-height:1;
  color:#fff;letter-spacing:-.02em;margin-bottom:6px;text-transform:none;font-variant-numeric:tabular-nums;
}
.scroll-cue{
  position:absolute;inset-inline-end:32px;bottom:120px;z-index:5;
  color:rgba(255,255,255,.6);font-size:11px;letter-spacing:.18em;
  text-transform:uppercase;font-weight:500;
  writing-mode:vertical-rl;transform:rotate(180deg);
  display:flex;align-items:center;gap:18px;
  opacity:0;animation:rise 1s 1.8s cubic-bezier(.2,.8,.2,1) forwards;
}
.scroll-cue .ln{
  width:1px;height:48px;
  background:linear-gradient(180deg,transparent,#fff 50%,transparent);
  animation:scrolldash 2.4s ease-in-out infinite;
}
@keyframes scrolldash{
  0%{transform:scaleY(0);transform-origin:bottom}
  50%{transform:scaleY(1);transform-origin:bottom}
  50.01%{transform-origin:top}
  100%{transform:scaleY(0);transform-origin:top}
}

/* Page hero (smaller, for inner pages) */
.page-hero{
  position:relative;width:100%;
  background:#000;color:#fff;overflow:hidden;
  padding:160px 0 80px;
}
.page-hero-bg{position:absolute;inset:0;z-index:0;overflow:hidden}
.page-hero-bg img{width:100%;height:100%;object-fit:cover;filter:brightness(.45) contrast(1.05)}
.page-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,.5) 0%,rgba(0,0,0,.2) 50%,rgba(0,0,0,.85) 100%),
             radial-gradient(800px 500px at 25% 30%,rgba(0,113,227,.3),transparent 55%);
}
.page-hero-inner{position:relative;z-index:5;max-width:var(--max);margin:0 auto;padding:0 24px}
.page-hero h1{
  font-size:clamp(44px,7vw,92px);font-weight:700;letter-spacing:-.035em;line-height:1.02;
  margin:0 0 18px;color:#fff;
}
.page-hero .sub{font-size:clamp(16px,1.6vw,20px);color:rgba(255,255,255,.78);max-width:680px;margin:0}
.crumb{display:flex;gap:8px;color:rgba(255,255,255,.55);font-size:13px;font-weight:500;margin-bottom:24px;letter-spacing:.04em}
.crumb a:hover{color:#fff}

/* ============ SECTIONS ============ */
section{padding:var(--pad) 0;position:relative}
.section-head{margin-bottom:64px}
.section-head.center{text-align:center}
.section-head.center .h-sub{margin:0 auto}
.section-head.split{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap}
.section-head.split > div:first-child{flex:1;min-width:300px}

/* ============ STATS (key numbers) ============ */
.stats{padding:90px 0;background:var(--bg-2)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.stat .n{
  font-size:clamp(40px,5vw,64px);font-weight:700;line-height:1;
  letter-spacing:-.03em;color:var(--ink);font-variant-numeric:tabular-nums;
  font-family:"SF Pro Display","Inter",sans-serif;
}
.stat .n sup{font-size:.45em;color:var(--accent);vertical-align:super;margin-left:2px;font-weight:600}
.stat .n .unit{font-size:.32em;color:var(--ink-3);font-weight:500;margin-left:5px;letter-spacing:0}
.stat .l{margin-top:14px;font-size:14px;color:var(--ink-3);letter-spacing:.04em;font-weight:500}

/* ============ FEATURE STRIPE ============ */
.stripe{padding:var(--pad) 0}
.stripe.dark{background:#0A0A0B;color:#fff}
.stripe.dark .h-1{color:#fff}
.stripe.dark .lead{color:rgba(255,255,255,.7)}
.stripe.gray{background:var(--bg-2)}
.stripe-row{
  display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center;
}
.stripe-row.reverse{grid-template-columns:.95fr 1.05fr}
.stripe-row.reverse .stripe-text{order:2}
.stripe-row + .stripe-row{margin-top:130px}
.stripe-img{
  border-radius:var(--r-l);overflow:hidden;background:#0E0E10;aspect-ratio:1.5;
  box-shadow:0 28px 70px rgba(0,0,0,.15);
}
.stripe-img img,.stripe-img video{width:100%;height:100%;object-fit:cover;transition:transform 10s ease-out}
.stripe-img:hover img{transform:scale(1.05)}
.stripe-text h2{margin-bottom:18px}
.stripe-text .lead{margin-bottom:22px}

/* ============ CASE GRID ============ */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.case-grid.two{grid-template-columns:repeat(2,1fr);gap:24px}
.case-card{
  position:relative;border-radius:var(--r-l);overflow:hidden;background:#0A0A0B;
  aspect-ratio:1.55;cursor:pointer;transition:.4s cubic-bezier(.2,.8,.2,1);
}
.case-card.tall{aspect-ratio:.9}
.case-card:hover{transform:translateY(-5px);box-shadow:0 24px 60px rgba(0,0,0,.2)}
.case-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1s;filter:brightness(.92)}
.case-card:hover img{transform:scale(1.06);filter:brightness(.8)}
.case-card .meta{
  position:absolute;inset:auto 0 0 0;padding:28px 26px;color:#fff;
  background:linear-gradient(180deg,transparent 0%,rgba(0,0,0,.82) 100%);
}
.case-card .tag{
  display:inline-block;font-size:10.5px;letter-spacing:.1em;padding:3px 10px;
  background:rgba(255,255,255,.18);backdrop-filter:blur(10px);
  border-radius:980px;margin-bottom:10px;text-transform:uppercase;font-weight:600;
}
.case-card h4{font-size:20px;font-weight:600;margin:0 0 4px;letter-spacing:-.01em;line-height:1.25}
.case-card .where{font-size:13px;color:rgba(255,255,255,.7);margin:0;line-height:1.4}

/* ============ INFO CARDS ============ */
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.info-card{
  background:#fff;border:1px solid var(--line-2);border-radius:var(--r-l);
  padding:32px 30px;transition:.3s;
}
.info-card:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(0,0,0,.06);border-color:transparent}
.info-card .ico{
  width:48px;height:48px;border-radius:14px;
  background:linear-gradient(135deg,rgba(0,113,227,.12),rgba(230,57,70,.08));
  color:var(--accent);
  display:flex;align-items:center;justify-content:center;margin-bottom:22px;
}
.info-card .ico svg{width:24px;height:24px}
.info-card h3{font-size:21px;font-weight:600;margin:0 0 10px;letter-spacing:-.01em}
.info-card p{font-size:15px;color:var(--ink-2);margin:0;line-height:1.6}

/* Dark info card variant */
.dark .info-card{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.1);color:#fff}
.dark .info-card:hover{background:rgba(255,255,255,.06)}
.dark .info-card h3{color:#fff}
.dark .info-card p{color:rgba(255,255,255,.7)}

/* ============ FORM ============ */
.form-wrap{background:#0A0A0B;color:#fff;padding:var(--pad) 0;position:relative;overflow:hidden}
.form-wrap::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(900px 600px at 80% 30%,rgba(0,113,227,.3),transparent 55%),
             radial-gradient(700px 500px at 10% 80%,rgba(230,57,70,.18),transparent 55%);
  pointer-events:none;
}
.form-wrap .wrap{position:relative}
.form-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:80px;align-items:start}
.form-wrap h2{color:#fff;margin-bottom:18px}
.form-wrap .lead{color:rgba(255,255,255,.7);font-size:18px}
.form-side .row{display:flex;gap:18px;align-items:flex-start;margin-top:30px}
.form-side .ico{
  flex:0 0 44px;height:44px;border-radius:12px;background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;color:#fff;border:1px solid rgba(255,255,255,.08);
}
.form-side .ico svg{width:20px;height:20px}
.form-side .k{font-size:12px;color:rgba(255,255,255,.5);letter-spacing:.08em;text-transform:uppercase;margin-bottom:4px;font-weight:500}
.form-side .v{font-size:17px;color:#fff;font-weight:500;line-height:1.4}
.form-side .v.big{font-size:28px;font-weight:600;letter-spacing:-.01em;font-variant-numeric:tabular-nums}

.lead-form{
  background:rgba(255,255,255,.04);backdrop-filter:blur(20px);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-l);padding:36px 32px;
}
.field{margin-bottom:14px}
.field label{display:block;font-size:12.5px;color:rgba(255,255,255,.6);margin-bottom:6px;font-weight:500;letter-spacing:.04em;text-transform:uppercase}
.field input,.field textarea,.field select{
  width:100%;padding:13px 14px;border-radius:10px;border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.05);color:#fff;font-size:15px;font-family:inherit;outline:none;transition:.15s;
}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.35)}
.field input:focus,.field textarea:focus,.field select:focus{
  border-color:var(--accent);background:rgba(255,255,255,.08);
  box-shadow:0 0 0 3px rgba(0,113,227,.18);
}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='%23ffffff80'%3E%3Cpath d='M6 8L2 4h8z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:12px;padding-right:36px}
html[dir="rtl"] .field select{background-position:left 14px center;padding-left:36px;padding-right:14px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.btn-submit{
  width:100%;background:var(--accent);color:#fff;padding:14px;border-radius:980px;border:0;
  font-size:15px;font-weight:500;cursor:pointer;transition:.2s;margin-top:8px;font-family:inherit;
}
.btn-submit:hover{background:var(--accent-d);transform:translateY(-1px)}
.field .hint{display:block;font-size:12px;color:rgba(255,255,255,.4);margin-top:6px}

/* ============ TICKER ============ */
.ticker{background:var(--bg-2);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);overflow:hidden;padding:26px 0}
.ticker-row{display:flex;gap:70px;white-space:nowrap;animation:slide 36s linear infinite;font-size:15.5px;color:var(--ink-3);font-weight:500;width:max-content}
.ticker-row span{display:inline-flex;align-items:center;gap:24px}
.ticker-row span::after{content:"·";color:var(--ink-4);font-size:24px;line-height:0;margin-inline-start:70px}
@keyframes slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}
html[dir="rtl"] .ticker-row{animation-direction:reverse}

/* ============ FOOTER ============ */
footer{background:#000;color:rgba(255,255,255,.6);padding:60px 0 24px;font-size:13.5px}
.foot-inner{max-width:var(--max);margin:0 auto;padding:0 24px}
.foot-top{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:30px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.08)}
.foot-brand{font-size:18px;color:#fff;font-weight:700;margin-bottom:8px}
.foot-tag{color:rgba(255,255,255,.5);font-size:13.5px;line-height:1.6;max-width:340px}
.foot-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:50px;padding:44px 0 32px;border-bottom:1px solid rgba(255,255,255,.08)}
.foot-cols h5{margin:0 0 16px;font-size:13px;font-weight:600;color:#fff;letter-spacing:.02em}
.foot-cols ul{list-style:none;padding:0;margin:0;display:grid;gap:10px;font-size:13.5px}
.foot-cols a{color:rgba(255,255,255,.6)}
.foot-cols a:hover{color:#fff}
.foot-bottom{padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;font-size:12.5px;color:rgba(255,255,255,.4)}
.foot-bottom a{color:rgba(255,255,255,.4)}
.foot-bottom a:hover{color:rgba(255,255,255,.7)}

/* ============ MODAL ============ */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.85);z-index:300;display:none;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(8px)}
.modal.open{display:flex}
.modal-card{
  max-width:480px;background:#16161A;border-radius:var(--r-l);padding:40px 36px;
  color:#fff;text-align:center;border:1px solid rgba(255,255,255,.08);
}
.modal-card .ico-ok{
  width:56px;height:56px;border-radius:50%;background:rgba(52,199,89,.15);
  color:var(--green);margin:0 auto 18px;display:flex;align-items:center;justify-content:center;
}
.modal-card .ico-ok svg{width:28px;height:28px}
.modal-card h3{margin:0 0 12px;font-size:22px;font-weight:600}
.modal-card p{color:rgba(255,255,255,.65);margin:0 0 24px;font-size:15px;line-height:1.6}
.modal-card button{background:var(--accent);color:#fff;border:0;padding:12px 28px;border-radius:980px;cursor:pointer;font-family:inherit;font-weight:500;font-size:15px;transition:.2s}
.modal-card button:hover{background:var(--accent-d)}

/* ============ FAB ============ */
.fab{
  position:fixed;inset-inline-end:22px;bottom:22px;z-index:90;
  background:var(--accent);color:#fff;padding:14px 22px;border-radius:980px;
  font-weight:500;font-size:14.5px;
  box-shadow:0 12px 28px rgba(0,113,227,.35);
  display:flex;align-items:center;gap:10px;transition:.25s;
}
.fab:hover{background:var(--accent-d);color:#fff;transform:translateY(-2px)}
.fab svg{width:16px;height:16px}

/* ============ REVEAL ============ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s cubic-bezier(.2,.8,.2,1),transform .9s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ============ MOBILE ============ */
@media (max-width:1100px){
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .info-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:36px 24px}
}
@media (max-width:900px){
  html{scroll-padding-top:calc(56px + max(env(safe-area-inset-top),12px))}
  /* Mobile nav: transparent over hero (matches desktop), solid only when scrolled or on inner pages */
  .nav{
    height:56px;background:transparent;color:#fff;border-bottom:0;
    -webkit-backdrop-filter:none;backdrop-filter:none;
  }
  .nav::before{
    display:block;
    height:calc(100% + 32px);
    background:linear-gradient(180deg,rgba(0,0,0,.5) 0%,rgba(0,0,0,0) 100%);
  }
  .nav.solid::before,.nav.always-solid::before{opacity:0}
  .nav.solid,.nav.always-solid{
    background:rgba(255,255,255,.92);
    -webkit-backdrop-filter:saturate(180%) blur(20px);
    backdrop-filter:saturate(180%) blur(20px);
    color:var(--ink);
    border-bottom:1px solid rgba(0,0,0,.06);
  }
  /* iOS 26 Liquid Glass — high translucency + saturated heavy blur + inset highlights */
  .nav-menu{
    position:fixed;top:calc(56px + max(env(safe-area-inset-top),12px));left:0;right:0;
    background:rgba(255,255,255,.42);
    -webkit-backdrop-filter:saturate(200%) blur(32px);
    backdrop-filter:saturate(200%) blur(32px);
    border-top:0.5px solid rgba(255,255,255,.55);
    border-bottom:0.5px solid rgba(0,0,0,.07);
    box-shadow:
      inset 0 1px 0 rgba(255,255,255,.6),
      inset 0 -1px 0 rgba(0,0,0,.04),
      0 24px 50px rgba(0,0,0,.16);
    color:var(--ink);
    flex-direction:column;align-items:stretch;padding:10px 22px 22px;gap:0;
    transform:translateY(-100vh);
    visibility:hidden;
    pointer-events:none;
    transition:transform .42s cubic-bezier(.16,1,.3,1),visibility 0s .42s;
    max-height:calc(100vh - 56px);overflow:auto;
  }
  .nav-menu::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:linear-gradient(180deg,rgba(255,255,255,.22) 0%,rgba(255,255,255,.05) 40%,transparent 80%);
  }
  .nav-menu.open{
    transform:translateY(0);
    visibility:visible;
    pointer-events:auto;
    transition:transform .42s cubic-bezier(.16,1,.3,1),visibility 0s 0s;
  }
  .nav-menu a{padding:14px 8px;font-size:16px;border-bottom:1px solid var(--line-2);border-radius:0;color:var(--ink)}
  .nav-toggle{display:block;order:3}
  .nav-right{margin-inline-start:auto}

  .hero{height:auto;min-height:auto;padding-top:0;padding-bottom:48px}
  .hero-inner{padding:calc(120px + max(env(safe-area-inset-top),12px)) 22px 50px;justify-content:center;min-height:calc(100vh - 60px)}
  .hero h1{font-size:50px}
  html[lang="zh"] .hero h1{font-size:46px}
  .hero-sub{font-size:16px}
  .hero-meta{flex-direction:column;align-items:flex-start;gap:22px;position:static;padding:30px 22px 0;opacity:1;animation:none;border-top:1px solid rgba(255,255,255,.1);margin-top:30px}
  .scroll-cue{display:none}
  .hero-watermark{font-size:32vw;opacity:.7}

  .page-hero{padding:120px 0 60px}

  section{padding:64px 0}
  .section-head{margin-bottom:40px}
  .section-head.split{flex-direction:column;align-items:flex-start;gap:14px}

  .stats-grid{grid-template-columns:1fr 1fr;gap:32px 18px}
  .stripe-row,.stripe-row.reverse{grid-template-columns:1fr;gap:30px}
  .stripe-row.reverse .stripe-text{order:initial}
  .stripe-row + .stripe-row{margin-top:60px}
  .stripe-img{aspect-ratio:1.5;border-radius:18px}

  .case-grid,.case-grid.two{grid-template-columns:1fr;gap:14px}
  .case-card,.case-card.tall{aspect-ratio:1.35}
  .case-card .meta{padding:22px 20px}

  .info-grid{grid-template-columns:1fr;gap:14px}
  .info-card{padding:26px 24px}

  .form-grid{grid-template-columns:1fr;gap:36px}
  .lead-form{padding:28px 22px}

  .foot-cols{grid-template-columns:1fr 1fr;gap:30px}
  .foot-bottom{flex-direction:column}

  .fab span{display:none}
  .fab{width:54px;height:54px;padding:0;justify-content:center;border-radius:50%}
  .fab svg{width:20px;height:20px}

  .ticker{padding:22px 0}
  .ticker-row{gap:50px;font-size:14.5px}
  .ticker-row span::after{margin-inline-start:50px}
}
@media (max-width:480px){
  .hero h1{font-size:42px}
  html[lang="zh"] .hero h1{font-size:40px}
  .stat .n{font-size:40px}
  .field-row{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}
  html{scroll-behavior:auto}
}

/* ============================================================
   EDITORIAL DESIGN SYSTEM
   ("Practice"-style — refs: fosterandpartners.com / unstudio.com)
   ============================================================ */
:root{
  --max-ed:1440px;
  --pad-ed:clamp(56px,7vw,104px);
  --ed-side:clamp(24px,4vw,80px);
}
.ed-wrap{max-width:var(--max-ed);margin:0 auto;padding:0 var(--ed-side)}

/* ED HERO — full-bleed image, big title overlaid bottom-left */
.ed-hero{
  position:relative;width:100%;height:92vh;min-height:640px;
  background:#000;color:#fff;overflow:hidden;
}
.ed-hero .bg{position:absolute;inset:0;z-index:0;overflow:hidden}
.ed-hero .bg img,.ed-hero .bg video{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transform:scale(1.05);animation:edkb 24s ease-in-out infinite alternate;
}
@keyframes edkb{0%{transform:scale(1.04)}100%{transform:scale(1.16) translate(-22px,-14px)}}
.ed-hero::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(180deg,rgba(0,0,0,.45) 0%,rgba(0,0,0,0) 22%,rgba(0,0,0,0) 56%,rgba(0,0,0,.6) 88%,rgba(0,0,0,.92) 100%);
}
/* Foster-style light sweep across hero */
.ed-hero::before{
  content:"";position:absolute;top:0;bottom:0;width:65%;z-index:2;pointer-events:none;
  background:linear-gradient(105deg,transparent 28%,rgba(125,205,245,.1) 44%,rgba(255,255,255,.16) 50%,rgba(125,205,245,.1) 56%,transparent 72%);
  transform:translateX(-100%) skewX(-12deg);
  animation:edsweep 9s ease-in-out infinite;
}
@keyframes edsweep{
  0%,5%{transform:translateX(-100%) skewX(-12deg)}
  60%{transform:translateX(220%) skewX(-12deg)}
  100%{transform:translateX(220%) skewX(-12deg)}
}
/* Color-shifting glow pulse */
.ed-hero .bg::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(ellipse at 25% 30%,rgba(0,113,227,.28) 0%,transparent 55%);
  animation:edglow 8s ease-in-out infinite alternate;
}
@keyframes edglow{
  0%{opacity:.5;transform:scale(1)}
  100%{opacity:1;transform:scale(1.1)}
}
.ed-hero .inner{
  position:relative;z-index:5;height:100%;
  max-width:var(--max-ed);margin:0 auto;padding:140px var(--ed-side) 60px;
  display:flex;flex-direction:column;justify-content:flex-end;
}
.ed-eyebrow{
  display:inline-block;font-size:11px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;
  color:rgba(255,255,255,.62);margin-bottom:30px;
  padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,.18);align-self:flex-start;
}
.ed-eyebrow.dark{color:var(--ink-3);border-bottom-color:var(--line)}
.ed-eyebrow.red{color:var(--red);border-bottom-color:rgba(230,57,70,.3)}
.ed-hero h1{
  font-weight:700;font-size:clamp(54px,8.5vw,140px);line-height:.94;
  letter-spacing:-.04em;color:#fff;margin:0 0 24px;max-width:14ch;
}
html[lang="zh"] .ed-hero h1{
  font-family:"PingFang SC","Microsoft YaHei","SF Pro Display",sans-serif;
  letter-spacing:-.025em;line-height:1.02;font-size:clamp(48px,8vw,120px);
}
.ed-hero .lede{
  font-size:clamp(17px,1.55vw,20px);line-height:1.55;color:rgba(255,255,255,.82);
  max-width:560px;margin:0 0 36px;font-weight:400;
}
.ed-hero .cta-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.ed-hero .meta-band{
  position:absolute;left:0;right:0;bottom:0;z-index:5;
  padding:24px var(--ed-side);
  display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.7);font-weight:600;
  background:linear-gradient(180deg,transparent 0%,rgba(0,0,0,.32) 100%);
}
.ed-hero .meta-band .group{display:flex;gap:30px;align-items:baseline}
.ed-hero .meta-band b{color:#fff;font-weight:700;letter-spacing:.04em}
.ed-hero .meta-band .nbr{font-family:"SF Pro Display",Inter,sans-serif;font-size:14px;font-weight:700;letter-spacing:.02em;color:#fff;font-variant-numeric:tabular-nums}

/* PAGE HERO — for inner pages, more breath, no image */
.ed-page-hero{
  padding:160px var(--ed-side) 88px;
  border-bottom:1px solid var(--line-2);
  max-width:var(--max-ed);margin:0 auto;
}
.ed-page-hero h1{
  font-weight:700;font-size:clamp(54px,9vw,128px);line-height:.96;
  letter-spacing:-.04em;margin:0 0 28px;max-width:18ch;
}
html[lang="zh"] .ed-page-hero h1{
  font-family:"PingFang SC","Microsoft YaHei","SF Pro Display",sans-serif;
  letter-spacing:-.025em;line-height:1.02;font-size:clamp(48px,8vw,108px);
}
.ed-page-hero .lede{
  font-size:clamp(17px,1.55vw,22px);line-height:1.55;color:var(--ink-2);
  max-width:680px;margin:0;font-weight:400;
}
.ed-page-hero .crumb{
  font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-3);margin-bottom:42px;font-weight:600;
}
.ed-page-hero .crumb a:hover{color:var(--ink)}

/* SECTION — numbered, hairline-divided */
.ed-section{
  padding:var(--pad-ed) var(--ed-side);
  max-width:var(--max-ed);margin:0 auto;
}
.ed-section.tight{padding-top:80px;padding-bottom:80px}
.ed-section.dark{background:#0A0A0B;color:#fff;max-width:none;padding-left:0;padding-right:0}
.ed-section.dark .ed-section-inner{max-width:var(--max-ed);margin:0 auto;padding:0 var(--ed-side)}
.ed-section.gray{background:var(--bg-2);max-width:none;padding-left:0;padding-right:0}
.ed-section.gray .ed-section-inner{max-width:var(--max-ed);margin:0 auto;padding:0 var(--ed-side)}

.ed-head{
  display:grid;grid-template-columns:max-content 1fr;gap:36px;
  padding-bottom:24px;border-bottom:1px solid var(--line-2);
  margin-bottom:40px;align-items:end;
}
.ed-section.dark .ed-head{border-bottom-color:rgba(255,255,255,.12)}
.ed-num{
  font-family:"SF Pro Display",Inter,sans-serif;font-weight:700;
  font-size:14px;color:var(--ink-3);letter-spacing:.02em;font-variant-numeric:tabular-nums;
  padding-top:6px;
}
.ed-section.dark .ed-num{color:rgba(255,255,255,.55)}
.ed-head .body{display:flex;justify-content:space-between;align-items:end;gap:40px;flex-wrap:wrap}
.ed-head h2{
  font-weight:600;font-size:clamp(34px,4.8vw,68px);line-height:1.02;
  letter-spacing:-.025em;margin:0;flex:1;min-width:280px;
}
html[lang="zh"] .ed-head h2{
  font-family:"PingFang SC","Microsoft YaHei","SF Pro Display",sans-serif;letter-spacing:-.015em;line-height:1.06;
}
.ed-section.dark .ed-head h2{color:#fff}
.ed-head .descr{
  font-size:16px;line-height:1.55;color:var(--ink-2);max-width:440px;
  margin:0;font-weight:400;flex:0 1 440px;
}
.ed-section.dark .ed-head .descr{color:rgba(255,255,255,.7)}

/* TWO-COL READER: title-left, copy-right */
.ed-reader{
  display:grid;grid-template-columns:1fr 1.4fr;gap:80px;align-items:start;
}
.ed-reader .lead{font-size:21px;line-height:1.55;color:var(--ink);font-weight:400;letter-spacing:-.005em;margin:0 0 24px;max-width:32ch}
.ed-section.dark .ed-reader .lead{color:#fff}
.ed-reader .copy{font-size:16px;line-height:1.7;color:var(--ink-2);max-width:62ch}
.ed-section.dark .ed-reader .copy{color:rgba(255,255,255,.78)}
.ed-reader .copy p + p{margin-top:1em}
.ed-reader .copy ul{padding:0;margin:24px 0;list-style:none;display:grid;gap:14px}
.ed-reader .copy ul li{padding:14px 0;border-bottom:1px solid var(--line-2);font-size:15.5px;display:flex;justify-content:space-between;gap:30px}
.ed-section.dark .ed-reader .copy ul li{border-bottom-color:rgba(255,255,255,.1)}
.ed-reader .copy ul li b{font-weight:600}
.ed-reader .copy ul li:last-child{border-bottom:0}

/* FULL-BLEED IMAGE inside section */
.ed-figure{margin:48px 0 0;border-radius:0;overflow:hidden;background:#000}
.ed-figure img{width:100%;display:block}
.ed-figure.bleed{margin-left:calc(0px - var(--ed-side));margin-right:calc(0px - var(--ed-side))}
.ed-figure figcaption{
  margin-top:18px;font-size:12.5px;color:var(--ink-3);
  letter-spacing:.06em;text-transform:uppercase;font-weight:600;
}
.ed-section.dark .ed-figure figcaption{color:rgba(255,255,255,.5)}

/* NUMBERED LIST (process / steps / advantages) */
.ed-numlist{display:grid;gap:0;margin-top:0}
.ed-numlist .item{
  display:grid;grid-template-columns:80px 1fr 1.2fr;gap:40px;
  padding:30px 0;border-top:1px solid var(--line-2);align-items:start;
}
.ed-section.dark .ed-numlist .item{border-top-color:rgba(255,255,255,.12)}
.ed-numlist .item:last-child{border-bottom:1px solid var(--line-2)}
.ed-section.dark .ed-numlist .item:last-child{border-bottom-color:rgba(255,255,255,.12)}
.ed-numlist .n{
  font-family:"SF Pro Display",Inter,sans-serif;font-weight:600;font-size:14px;
  color:var(--ink-3);letter-spacing:.04em;font-variant-numeric:tabular-nums;padding-top:4px;
}
.ed-section.dark .ed-numlist .n{color:rgba(255,255,255,.5)}
.ed-numlist h3{
  margin:0;font-size:clamp(22px,2.2vw,30px);font-weight:600;letter-spacing:-.015em;line-height:1.18;
}
.ed-section.dark .ed-numlist h3{color:#fff}
.ed-numlist p{margin:0;font-size:15.5px;line-height:1.65;color:var(--ink-2);max-width:54ch}
.ed-section.dark .ed-numlist p{color:rgba(255,255,255,.7)}
.ed-numlist .item:hover{background:rgba(0,0,0,.015)}
.ed-section.dark .ed-numlist .item:hover{background:rgba(255,255,255,.02)}

/* PROJECT TILE (editorial) */
.ed-proj-row{display:grid;grid-template-columns:repeat(2,1fr);gap:54px 30px}
.ed-proj{display:flex;flex-direction:column;gap:18px;color:inherit;text-decoration:none;transition:opacity .25s}
.ed-proj .img{aspect-ratio:1.45;overflow:hidden;background:#0A0A0B;position:relative}
.ed-proj .img img{width:100%;height:100%;object-fit:cover;transition:transform 1.6s ease-out;filter:brightness(.97)}
.ed-proj:hover .img img{transform:scale(1.04);filter:brightness(1)}
.ed-proj .meta-line{
  display:flex;align-items:center;gap:14px;font-size:11.5px;
  color:var(--ink-3);letter-spacing:.14em;text-transform:uppercase;font-weight:600;
}
.ed-proj .meta-line .dot{width:3px;height:3px;border-radius:50%;background:var(--ink-4)}
.ed-proj h3{margin:0;font-size:clamp(24px,2.4vw,34px);font-weight:600;letter-spacing:-.02em;line-height:1.15}
.ed-proj .desc{margin:0;font-size:15.5px;color:var(--ink-2);line-height:1.55;max-width:42ch}
.ed-proj.feature{grid-column:1 / -1}
.ed-proj.feature .img{aspect-ratio:2.4}
.ed-proj.feature h3{font-size:clamp(34px,4.2vw,56px)}

/* STAT ROW (editorial — single row, big numbers, hairline) */
.ed-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  padding:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.ed-section.dark .ed-stats{border-color:rgba(255,255,255,.14)}
.ed-stats .col{padding:54px 30px 50px;border-inline-end:1px solid var(--line)}
.ed-section.dark .ed-stats .col{border-inline-end-color:rgba(255,255,255,.14)}
.ed-stats .col:last-child{border-inline-end:0}
.ed-stats .n{
  font-family:"SF Pro Display",Inter,sans-serif;font-weight:700;
  font-size:clamp(48px,5.6vw,76px);line-height:1;letter-spacing:-.035em;
  font-variant-numeric:tabular-nums;
}
.ed-stats .n sup{font-size:.42em;color:var(--red);font-weight:700;vertical-align:super;margin-left:2px;letter-spacing:0}
.ed-stats .n .unit{font-size:.32em;color:var(--ink-3);font-weight:500;margin-left:6px;letter-spacing:0}
.ed-section.dark .ed-stats .n{color:#fff}
.ed-section.dark .ed-stats .n .unit{color:rgba(255,255,255,.55)}
.ed-stats .l{
  margin-top:18px;font-size:13px;color:var(--ink-3);
  letter-spacing:.08em;text-transform:uppercase;font-weight:600;
}
.ed-section.dark .ed-stats .l{color:rgba(255,255,255,.6)}

/* CTA strip (editorial) */
.ed-cta{
  padding:var(--pad-ed) var(--ed-side);background:#0A0A0B;color:#fff;
  max-width:none;
}
.ed-cta .inner{
  max-width:var(--max-ed);margin:0 auto;
  display:grid;grid-template-columns:1.1fr 1fr;gap:90px;align-items:start;
}
.ed-cta h2{font-weight:700;font-size:clamp(40px,5.2vw,76px);letter-spacing:-.035em;line-height:1;color:#fff;margin:0 0 28px;max-width:14ch}
html[lang="zh"] .ed-cta h2{font-family:"PingFang SC","Microsoft YaHei","SF Pro Display",sans-serif;letter-spacing:-.02em;line-height:1.04}
.ed-cta .lede{font-size:18px;color:rgba(255,255,255,.72);line-height:1.55;max-width:38ch;margin:0 0 36px}
.ed-cta .info{display:grid;gap:22px}
.ed-cta .row{display:flex;gap:14px;align-items:baseline;padding:14px 0;border-top:1px solid rgba(255,255,255,.12)}
.ed-cta .row:last-child{border-bottom:1px solid rgba(255,255,255,.12)}
.ed-cta .row .k{flex:0 0 140px;font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.5);font-weight:600}
.ed-cta .row .v{font-size:17px;font-weight:500;color:#fff;line-height:1.4}
.ed-cta .row .v.big{font-size:24px;font-weight:600;letter-spacing:-.01em;font-variant-numeric:tabular-nums}

/* EDITORIAL FORM (lighter than form-wrap) */
.ed-form{margin-top:0;background:transparent}
.ed-form .field{margin-bottom:0;border-bottom:1px solid rgba(255,255,255,.18);padding:18px 0 10px}
.ed-form .field label{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.55);font-weight:600;margin-bottom:8px;display:block}
.ed-form .field input,.ed-form .field textarea,.ed-form .field select{
  background:transparent;border:0;padding:0;color:#fff;font-size:17px;width:100%;outline:none;font-family:inherit;
}
.ed-form .field input::placeholder,.ed-form .field textarea::placeholder{color:rgba(255,255,255,.32)}
.ed-form .field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.ed-form .field select{appearance:none;color:#fff;cursor:pointer}
.ed-form .field select option{background:#16161A;color:#fff}
.ed-form .field:focus-within{border-bottom-color:#fff}
.ed-form .btn-submit{
  width:auto;margin-top:34px;padding:18px 36px;background:#fff;color:var(--ink);
  font-weight:600;letter-spacing:.04em;text-transform:uppercase;font-size:13px;border-radius:0;
  display:inline-flex;align-items:center;gap:10px;
}
.ed-form .btn-submit::after{content:"→";font-size:1.2em;line-height:1}
.ed-form .btn-submit:hover{background:rgba(255,255,255,.92);transform:none}
.ed-form .hint{display:block;margin-top:14px;font-size:11.5px;color:rgba(255,255,255,.35);letter-spacing:.04em}

/* CITY LIST (editorial) */
.ed-cities{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:0;
  border-top:1px solid var(--line);
}
.ed-cities .city{
  padding:24px 22px;border-bottom:1px solid var(--line);border-inline-end:1px solid var(--line);
  font-size:17px;font-weight:500;color:var(--ink);
  display:flex;justify-content:space-between;align-items:baseline;gap:12px;
}
.ed-cities .city .ix{
  font-family:"SF Pro Display",Inter,sans-serif;font-size:11px;color:var(--ink-3);
  font-weight:600;letter-spacing:.06em;font-variant-numeric:tabular-nums;
}

/* NAVIGATION on dark sections — light text */
.ed-section.dark .ed-eyebrow{color:rgba(255,255,255,.5);border-bottom-color:rgba(255,255,255,.18)}

/* PREV/NEXT large editorial */
.ed-prevnext{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  border-top:1px solid var(--line);background:#fff;max-width:var(--max-ed);margin:0 auto;
}
.ed-prevnext a{
  padding:64px var(--ed-side);display:flex;flex-direction:column;gap:14px;transition:background .25s;
}
.ed-prevnext a:hover{background:var(--bg-2)}
.ed-prevnext a + a{border-inline-start:1px solid var(--line);text-align:end;align-items:flex-end}
html[dir="rtl"] .ed-prevnext a + a{text-align:start;align-items:flex-start}
.ed-prevnext .k{font-size:11.5px;color:var(--ink-3);letter-spacing:.16em;text-transform:uppercase;font-weight:600}
.ed-prevnext .v{font-size:clamp(24px,2.4vw,34px);font-weight:600;color:var(--ink);letter-spacing:-.018em;line-height:1.15}

/* Mobile breakpoints */
@media (max-width:1100px){
  .ed-reader{grid-template-columns:1fr;gap:30px}
  .ed-cta .inner{grid-template-columns:1fr;gap:48px}
}
@media (max-width:900px){
  .ed-hero{height:auto;min-height:auto}
  .ed-hero .inner{padding:120px var(--ed-side) 60px;min-height:80vh}
  .ed-hero .meta-band{position:static;border-top:1px solid rgba(255,255,255,.14)}
  .ed-page-hero{padding:120px var(--ed-side) 48px}
  .ed-section{padding:40px var(--ed-side)}
  .ed-head{grid-template-columns:1fr;gap:14px;padding-bottom:18px;margin-bottom:24px}
  .ed-head .body{flex-direction:column;align-items:flex-start;gap:12px}
  /* In column flex, flex-basis becomes HEIGHT — force content-based sizing on mobile */
  .ed-head .descr{flex:0 0 auto;max-width:none}
  .ed-numlist .item{grid-template-columns:54px 1fr;gap:16px;padding:22px 0}
  .ed-numlist .item p{grid-column:1 / -1;margin-top:4px}
  .ed-proj-row{grid-template-columns:1fr;gap:36px}
  .ed-figure{margin:32px 0 0}
  .ts-diag{margin:32px auto 0}
  .prec-diag{margin:32px 0 0}
  .ts-layer{padding:20px 22px}
  .ts-conn{height:22px}
  .ed-proj.feature{grid-column:auto}
  .ed-proj.feature .img{aspect-ratio:1.5}
  .ed-stats{grid-template-columns:1fr 1fr}
  .ed-stats .col{padding:36px 22px}
  .ed-stats .col:nth-child(odd){border-inline-end:1px solid var(--line)}
  .ed-stats .col:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .ed-section.dark .ed-stats .col:nth-child(odd){border-inline-end-color:rgba(255,255,255,.14)}
  .ed-section.dark .ed-stats .col:nth-child(-n+2){border-bottom-color:rgba(255,255,255,.14)}
  .ed-prevnext{grid-template-columns:1fr}
  .ed-prevnext a + a{border-inline-start:0;border-top:1px solid var(--line);text-align:start;align-items:flex-start}
  .ed-cta .row{flex-direction:column;gap:6px;align-items:flex-start}
  .ed-cta .row .k{flex-basis:auto}
  .ed-form .field-row{grid-template-columns:1fr}
}

/* ============================================================
   TECH STACK DIAGRAM — animated (replaces PDF screenshot)
   ============================================================ */
.ts-diag{
  margin:60px auto 0;max-width:920px;display:flex;flex-direction:column;
}
.ts-layer{
  position:relative;background:#fff;border:1px solid var(--line);
  padding:30px 34px;display:grid;grid-template-columns:200px 1fr;gap:30px;align-items:center;
  opacity:0;transform:translateY(20px);
  transition:opacity .7s cubic-bezier(.2,.85,.15,1),transform .7s cubic-bezier(.2,.85,.15,1),border-color .25s;
}
.ed-section.dark .ts-layer{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.14);color:#fff}
.ts-diag.in .ts-layer{opacity:1;transform:none}
.ts-diag.in .ts-layer:nth-of-type(1){transition-delay:0s}
.ts-diag.in .ts-layer:nth-of-type(3){transition-delay:.12s}
.ts-diag.in .ts-layer:nth-of-type(5){transition-delay:.24s}
.ts-diag.in .ts-layer:nth-of-type(7){transition-delay:.36s}
.ts-diag.in .ts-layer:nth-of-type(9){transition-delay:.48s}

.ts-layer .head{display:flex;flex-direction:column;gap:7px;align-items:flex-start}
.ts-layer .head .lvl{
  display:inline-block;font-family:Inter,sans-serif;font-size:10.5px;
  color:var(--ink-3);letter-spacing:.2em;font-weight:700;text-transform:uppercase;
  padding:3px 10px;border:1px solid var(--line);
}
.ed-section.dark .ts-layer .head .lvl{color:rgba(255,255,255,.55);border-color:rgba(255,255,255,.2)}
.ts-layer .head h3{margin:0;font-size:23px;font-weight:600;letter-spacing:-.015em;line-height:1.15;color:var(--ink)}
.ed-section.dark .ts-layer .head h3{color:#fff}
.ts-layer .head .en{font-size:11px;color:var(--ink-3);letter-spacing:.16em;text-transform:uppercase;font-weight:600}
.ed-section.dark .ts-layer .head .en{color:rgba(255,255,255,.5)}

.ts-layer .chips{display:flex;flex-wrap:wrap;gap:8px}
.ts-layer .chip{
  display:inline-flex;align-items:center;padding:10px 14px;
  background:var(--bg-2);font-size:13px;color:var(--ink-2);font-weight:500;
  letter-spacing:0;line-height:1;border:1px solid transparent;
  transition:background .25s,transform .25s;
}
.ed-section.dark .ts-layer .chip{background:rgba(255,255,255,.06);color:rgba(255,255,255,.86);border-color:rgba(255,255,255,.08)}
.ts-layer:hover .chip{background:#EEE}
.ed-section.dark .ts-layer:hover .chip{background:rgba(255,255,255,.1)}

.ts-layer.highlight{border-color:var(--red)}
.ed-section.dark .ts-layer.highlight{border-color:var(--red);background:linear-gradient(135deg,rgba(230,57,70,.12),transparent 65%)}
.ts-layer.highlight .head h3{color:var(--red)}
.ed-section.dark .ts-layer.highlight .head h3{color:#FF6B7A}
.ts-layer.highlight .head .lvl{color:var(--red);border-color:var(--red)}
.ed-section.dark .ts-layer.highlight .head .lvl{color:#FF6B7A;border-color:#FF6B7A}
.ts-layer.highlight .chip.primary{background:var(--red);color:#fff;border-color:var(--red);font-weight:600}

/* connector arrow between layers */
.ts-conn{
  height:32px;display:flex;justify-content:center;align-items:center;position:relative;
}
.ts-conn::before{
  content:"";width:1px;height:0;background:var(--ink-4);
  transition:height .9s cubic-bezier(.2,.85,.15,1);
}
.ed-section.dark .ts-conn::before{background:rgba(255,255,255,.3)}
.ts-diag.in .ts-conn::before{height:100%}
.ts-diag.in .ts-conn:nth-of-type(2)::before{transition-delay:.45s}
.ts-diag.in .ts-conn:nth-of-type(4)::before{transition-delay:.58s}
.ts-diag.in .ts-conn:nth-of-type(6)::before{transition-delay:.71s}
.ts-diag.in .ts-conn:nth-of-type(8)::before{transition-delay:.84s}
.ts-conn::after{
  content:"";position:absolute;bottom:3px;width:7px;height:7px;
  border-right:1px solid var(--ink-4);border-bottom:1px solid var(--ink-4);
  transform:rotate(45deg);opacity:0;transition:opacity .4s 1.4s;
}
.ed-section.dark .ts-conn::after{border-color:rgba(255,255,255,.4)}
.ts-diag.in .ts-conn::after{opacity:1}

/* highlight pulse on core layer */
@keyframes ts-pulse{
  0%,100%{box-shadow:0 0 0 0 rgba(230,57,70,0)}
  50%{box-shadow:0 0 0 6px rgba(230,57,70,.1)}
}
.ts-diag.in .ts-layer.highlight{animation:ts-pulse 3s 1.2s ease-in-out infinite}

/* ============================================================
   PRECISION DIAGRAM — 5 horizontal tiers, animated bars
   ============================================================ */
.prec-diag{margin:60px 0 0}
.prec-scale{
  display:grid;grid-template-columns:repeat(5,1fr);gap:12px;
  padding-bottom:24px;margin-bottom:24px;border-bottom:1px solid var(--line);
}
.prec-scale .sc{
  display:flex;flex-direction:column;gap:4px;font-size:11px;
  color:var(--ink-3);letter-spacing:.06em;font-weight:600;text-transform:uppercase;
  position:relative;padding-top:18px;
}
.prec-scale .sc::before{
  content:"";position:absolute;left:0;top:0;width:8px;height:8px;
  border:1px solid var(--ink-4);background:#fff;transform:rotate(45deg);
}
.prec-scale .sc.red::before{border-color:var(--red);background:var(--red)}
.prec-scale .sc b{
  font-family:Inter,sans-serif;font-size:22px;font-weight:700;
  letter-spacing:-.02em;color:var(--ink);font-variant-numeric:tabular-nums;
  display:block;margin-bottom:2px;text-transform:none;
}
.prec-scale .sc.red b{color:var(--red)}

.prec-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.prec-tier{
  position:relative;background:#fff;border:1px solid var(--line);
  padding:24px 22px 22px;display:flex;flex-direction:column;gap:11px;
  opacity:0;transform:translateY(20px);
  transition:opacity .7s cubic-bezier(.2,.85,.15,1),transform .7s cubic-bezier(.2,.85,.15,1);
}
.prec-diag.in .prec-tier{opacity:1;transform:none}
.prec-diag.in .prec-tier:nth-of-type(1){transition-delay:0s}
.prec-diag.in .prec-tier:nth-of-type(2){transition-delay:.08s}
.prec-diag.in .prec-tier:nth-of-type(3){transition-delay:.16s}
.prec-diag.in .prec-tier:nth-of-type(4){transition-delay:.24s}
.prec-diag.in .prec-tier:nth-of-type(5){transition-delay:.32s}

.prec-tier .nm{display:flex;align-items:baseline;justify-content:space-between;gap:8px}
.prec-tier .num{font-family:Inter,sans-serif;font-size:10.5px;color:var(--ink-3);letter-spacing:.16em;font-weight:700}
.prec-tier .err{font-family:Inter,sans-serif;font-size:11px;color:var(--ink-3);letter-spacing:.04em;font-weight:600;font-variant-numeric:tabular-nums;text-transform:uppercase}
.prec-tier h3{margin:0;font-size:19px;font-weight:600;letter-spacing:-.012em;line-height:1.2;color:var(--ink)}

.prec-tier .bar{
  height:3px;background:var(--bg-2);position:relative;overflow:hidden;margin:4px 0 4px;
}
.prec-tier .bar::after{
  content:"";position:absolute;top:0;inset-inline-start:0;height:100%;width:0;
  background:linear-gradient(90deg,#7DCDF5,#0071E3);
  transition:width 1.4s cubic-bezier(.2,.85,.15,1);
}
.prec-diag.in .prec-tier .bar::after{width:var(--w,40%)}
.prec-tier:nth-of-type(1){--w:20%}
.prec-tier:nth-of-type(2){--w:42%}
.prec-tier:nth-of-type(3){--w:64%}
.prec-tier:nth-of-type(4){--w:84%}
.prec-tier:nth-of-type(5){--w:100%}
.prec-tier:nth-of-type(4) .bar::after,
.prec-tier:nth-of-type(5) .bar::after{background:linear-gradient(90deg,#E63946,#B5293A)}
.prec-diag.in .prec-tier:nth-of-type(1) .bar::after{transition-delay:.4s}
.prec-diag.in .prec-tier:nth-of-type(2) .bar::after{transition-delay:.5s}
.prec-diag.in .prec-tier:nth-of-type(3) .bar::after{transition-delay:.6s}
.prec-diag.in .prec-tier:nth-of-type(4) .bar::after{transition-delay:.7s}
.prec-diag.in .prec-tier:nth-of-type(5) .bar::after{transition-delay:.8s}

.prec-tier ul{margin:4px 0 0;padding:0;list-style:none;display:grid;gap:6px;font-size:13px;line-height:1.5;color:var(--ink-2)}
.prec-tier ul li{padding-inline-start:14px;position:relative}
.prec-tier ul li::before{content:"";position:absolute;inset-inline-start:0;top:.65em;width:6px;height:1px;background:var(--ink-4)}
.prec-tier .tail{margin-top:auto;padding-top:12px;border-top:1px solid var(--line-2);font-size:12px;color:var(--ink-3);line-height:1.5}

/* axis line at bottom */
.prec-axis{
  margin-top:50px;position:relative;
  display:flex;justify-content:space-between;align-items:center;
}
.prec-axis::before{
  content:"";position:absolute;top:50%;inset-inline-start:0;width:0;height:1px;
  background:linear-gradient(90deg,#B8B8BC 0%,#0A0A0B 50%,#E63946 100%);
  transition:width 2s cubic-bezier(.2,.85,.15,1);transition-delay:.9s;
}
.prec-axis.in::before{width:100%}
.prec-axis .lbl{
  font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink-3);font-weight:600;background:#fff;padding:6px 12px;position:relative;z-index:1;
  border:1px solid var(--line);
}
.prec-axis .lbl.r{color:var(--red);border-color:var(--red)}

/* Mobile */
@media (max-width:1100px){
  .prec-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .prec-tier:nth-of-type(5){grid-column:1 / -1}
  .prec-scale{display:none}
}
@media (max-width:900px){
  .ts-layer{grid-template-columns:1fr;gap:14px;padding:24px 22px}
  .ts-conn{height:26px}
  .prec-grid{grid-template-columns:1fr;gap:12px}
  .prec-tier:nth-of-type(5){grid-column:auto}
}