/* ============================================================
   NONELAB — Design System
   Brand DNA: ink black · warm cream · orange→amber gradient orb
   Type: Bricolage Grotesque (display) + Hanken Grotesk (text)
   CJK fallback: Noto Sans SC
   ============================================================ */

:root{
  --ink:#0B0B0C;
  --ink-2:#1A1A1D;
  --paper:#FFFFFF;
  --cream:#FAF5EE;
  --cream-2:#F3ECE1;
  --b1:#FF6A1B;          /* orange */
  --b2:#FBA53C;          /* amber  */
  --b1-soft:#FFE9D6;
  --grad:linear-gradient(135deg,#FF6A1B 0%,#FBA53C 100%);
  --grad-soft:linear-gradient(135deg,#FFF1E6,#FFE6CF);
  --muted:#6E6A66;
  --muted-2:#9A958F;
  --line:rgba(11,11,12,.10);
  --line-2:rgba(11,11,12,.06);
  --disp:"Bricolage Grotesque","Noto Sans SC",sans-serif;
  --sans:"Hanken Grotesk","Noto Sans SC",sans-serif;
  --maxw:1280px;
  --pad:clamp(20px,5vw,64px);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
html[lang="zh"]{ --disp:"Noto Sans SC","Bricolage Grotesque",sans-serif; }
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--cream);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--b1);color:#fff}

/* ---------- Type ---------- */
h1,h2,h3,h4{font-family:var(--disp);font-weight:700;letter-spacing:-.025em;line-height:1.02;margin:0;text-wrap:balance}
.display{font-size:clamp(44px,5.8vw,80px);line-height:1.0}
h2.section-title{font-size:clamp(34px,4.4vw,60px);line-height:1}
h3{font-size:clamp(22px,2.4vw,30px);letter-spacing:-.02em}
p{margin:0}
.lead{font-size:clamp(18px,1.5vw,21px);line-height:1.55;color:var(--muted)}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--b1);font-family:var(--sans)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

/* ---------- Layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
.section{padding:clamp(72px,10vw,140px) 0}
.section.tight{padding:clamp(48px,7vw,90px) 0}
section{position:relative}

/* ---------- Brand lockup ---------- */
.brand{display:inline-flex;align-items:center;gap:.46em;font-family:var(--sans);font-weight:800;font-size:25px;letter-spacing:-.045em;color:var(--ink)}
.brand .orb{width:.6em;height:.6em;border-radius:50%;background:var(--grad);box-shadow:0 4px 14px rgba(255,106,27,.45);flex:none}
.brand.on-dark{color:#fff}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;border-radius:100px;padding:14px 26px;font-family:var(--sans);font-weight:600;font-size:15.5px;cursor:pointer;border:0;transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .25s,color .25s;white-space:nowrap}
.btn .arr{transition:transform .35s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}
.btn.solid{background:var(--ink);color:#fff}
.btn.solid:hover{transform:translateY(-2px);box-shadow:0 14px 30px -10px rgba(0,0,0,.5)}
.btn.grad{background:var(--grad);color:#fff;box-shadow:0 12px 30px -10px rgba(255,106,27,.6)}
.btn.grad:hover{transform:translateY(-2px);box-shadow:0 18px 40px -10px rgba(255,106,27,.75)}
.btn.ghost{background:transparent;border:1.5px solid var(--line);color:var(--ink)}
.btn.ghost:hover{border-color:var(--ink);transform:translateY(-2px)}
.btn.ghost.on-dark{border-color:rgba(255,255,255,.25);color:#fff}
.btn.ghost.on-dark:hover{border-color:#fff;background:rgba(255,255,255,.06)}

/* ---------- Nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .4s var(--ease),box-shadow .4s,padding .4s var(--ease),border-color .4s}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:22px var(--pad);transition:padding .4s var(--ease)}
.nav.scrolled{background:rgba(250,245,238,.82);backdrop-filter:blur(16px);border-bottom:1px solid var(--line-2)}
.nav.scrolled .nav-inner{padding-top:14px;padding-bottom:14px}
.nav-links{display:flex;gap:32px;font-size:15.5px;font-weight:500}
.nav-links a{position:relative;opacity:.82;transition:opacity .2s}
.nav-links a:hover{opacity:1}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-5px;width:0;height:2px;background:var(--grad);transition:width .3s var(--ease)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-links a.active{opacity:1}
.nav-right{display:flex;align-items:center;gap:20px}
.lang{display:flex;gap:3px;font-size:13px;font-weight:600;background:rgba(11,11,12,.05);border-radius:100px;padding:4px}
.lang button{border:0;background:transparent;color:var(--muted);font-weight:600;font-size:12.5px;font-family:var(--sans);padding:5px 10px;border-radius:100px;cursor:pointer;transition:.2s;white-space:nowrap}
.lang button.on{background:#fff;color:var(--ink);box-shadow:0 2px 6px rgba(0,0,0,.08)}
.nav-burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-burger span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}

/* mobile menu */
.mobile-menu{position:fixed;inset:0;z-index:99;background:var(--cream);transform:translateY(-100%);transition:transform .5s var(--ease);display:flex;flex-direction:column;justify-content:center;padding:0 var(--pad);gap:6px}
.mobile-menu.open{transform:translateY(0)}
.mobile-menu a{font-family:var(--disp);font-size:40px;font-weight:600;padding:10px 0;border-bottom:1px solid var(--line-2)}
.mobile-menu .mm-lang{margin-top:28px}

/* ---------- Hero ---------- */
.hero{padding-top:clamp(120px,16vh,170px);padding-bottom:clamp(50px,8vw,90px);position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,5vw,64px);align-items:center}
.hero-stats{display:flex;gap:clamp(24px,4vw,52px);margin-top:clamp(34px,5vw,52px);flex-wrap:wrap}
.hero-stat .num{font-family:var(--disp);font-size:clamp(28px,3.2vw,40px);font-weight:700;letter-spacing:-.02em}
.hero-stat .lbl{font-size:13.5px;color:var(--muted);margin-top:2px}
.hero-visual{position:relative;height:clamp(420px,52vw,580px)}
.hero-visual .main-img{position:absolute;inset:0;border-radius:28px}
.hero-orb{position:absolute;border-radius:50%;background:var(--grad);will-change:transform}
.float-card{position:absolute;background:#fff;border-radius:16px;padding:14px 18px;box-shadow:0 22px 50px -18px rgba(0,0,0,.3)}

/* ---------- Image placeholder ---------- */
.ph{background:repeating-linear-gradient(135deg,rgba(11,11,12,.04) 0 2px,transparent 2px 12px),linear-gradient(135deg,#EAE3D9,#D9D0C3);position:relative;overflow:hidden}
.ph[data-l]::before{content:"";position:absolute;inset:14px;border:1.5px dashed rgba(11,11,12,.24);border-radius:12px;pointer-events:none}
.ph[data-l]::after{content:attr(data-l);position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:46px 14px 0;background:center calc(50% - 19px)/34px 34px no-repeat url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%2024%2024'%20fill='%230b0b0c'%20fill-opacity='0.34'%3E%3Cpath%20d='M19%203H5a2%202%200%200%200-2%202v14a2%202%200%200%200%202%202h14a2%202%200%200%200%202-2V5a2%202%200%200%200-2-2Zm0%2016.1L14%2013l-3%204-2-2.6L5%2019V5h14v14.1Z'/%3E%3Ccircle%20cx='8.5'%20cy='8.5'%20r='1.6'/%3E%3C/svg%3E");font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:rgba(11,11,12,.5);font-weight:700;font-family:var(--sans);text-align:center}
.ph.dark{background:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 2px,transparent 2px 12px),linear-gradient(135deg,#26262b,#33333a)}
.ph.dark[data-l]::before{border-color:rgba(255,255,255,.2)}
.ph.dark[data-l]::after{color:rgba(255,255,255,.5);background-image:url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%2024%2024'%20fill='%23ffffff'%20fill-opacity='0.42'%3E%3Cpath%20d='M19%203H5a2%202%200%200%200-2%202v14a2%202%200%200%200%202%202h14a2%202%200%200%200%202-2V5a2%202%200%200%200-2-2Zm0%2016.1L14%2013l-3%204-2-2.6L5%2019V5h14v14.1Z'/%3E%3Ccircle%20cx='8.5'%20cy='8.5'%20r='1.6'/%3E%3C/svg%3E")}
.ph.warm{background:repeating-linear-gradient(135deg,rgba(255,106,27,.06) 0 2px,transparent 2px 12px),linear-gradient(135deg,#FFE9D6,#FFD7B8)}
.ph.warm[data-l]::before{border-color:rgba(255,106,27,.3)}
.ph.warm[data-l]::after{color:rgba(214,71,10,.7);background-image:url("data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%2024%2024'%20fill='%23FF6A1B'%20fill-opacity='0.55'%3E%3Cpath%20d='M19%203H5a2%202%200%200%200-2%202v14a2%202%200%200%200%202%202h14a2%202%200%200%200%202-2V5a2%202%200%200%200-2-2Zm0%2016.1L14%2013l-3%204-2-2.6L5%2019V5h14v14.1Z'/%3E%3Ccircle%20cx='8.5'%20cy='8.5'%20r='1.6'/%3E%3C/svg%3E")}
.img-zoom{overflow:hidden}
.img-zoom .ph{transition:transform .7s var(--ease)}
.img-zoom:hover .ph{transform:scale(1.05)}

/* ---------- Marquee ---------- */
.marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;gap:64px;width:max-content;animation:marq 32s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-track .mq-item{font-family:var(--disp);font-weight:600;font-size:clamp(22px,2.4vw,30px);color:var(--muted-2);letter-spacing:-.02em;display:flex;align-items:center;gap:14px;white-space:nowrap}
.marquee-track .mq-item .dot{width:7px;height:7px;border-radius:50%;background:var(--b1);opacity:.6}
@keyframes marq{to{transform:translateX(-50%)}}

/* ---------- Cards ---------- */
.card{background:var(--paper);border-radius:22px;border:1px solid var(--line-2);transition:transform .4s var(--ease),box-shadow .4s var(--ease)}
.card:hover{transform:translateY(-6px);box-shadow:0 30px 60px -28px rgba(0,0,0,.32)}
.grid{display:grid;gap:24px}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-2{grid-template-columns:repeat(2,1fr)}
.cols-4{grid-template-columns:repeat(4,1fr)}

/* structure pills */
.struct-row{display:flex;align-items:flex-start;gap:24px;padding:30px 0;border-top:1px solid var(--line)}
.struct-row .tag{flex:none;font-family:var(--disp);font-size:15px;font-weight:700;color:var(--b1);width:130px}
.struct-row h3{flex:1}
.struct-row .meta{flex:none;color:var(--muted);font-size:15px;max-width:280px;text-align:right}

/* feature blocks (capabilities) */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,64px);align-items:center}
.feature.flip .feat-text{order:2}
.feature-num{font-family:var(--disp);font-size:clamp(40px,5.5vw,72px);font-weight:700;letter-spacing:-.03em;line-height:1}
.chip{display:inline-flex;align-items:center;gap:8px;background:var(--b1-soft);color:#C2470A;font-weight:600;font-size:13.5px;padding:7px 14px;border-radius:100px}

/* brand showcase card */
.brand-card{position:relative;border-radius:24px;overflow:hidden;background:var(--paper);border:1px solid var(--line-2)}
.brand-card .bc-img{height:clamp(220px,28vw,320px)}
.brand-card .bc-body{padding:26px 28px 30px}
.brand-card .bc-tag{font-size:12.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--b1)}
.brand-card h3{margin:10px 0 8px;font-size:clamp(26px,2.6vw,34px)}

/* dark band */
.band-dark{background:var(--ink);color:#fff}
.band-dark .lead{color:rgba(255,255,255,.66)}
.band-dark .eyebrow{color:#FFB877}

/* CTA band */
.cta-band{background:var(--grad);color:#fff;border-radius:clamp(24px,3vw,36px);padding:clamp(44px,7vw,80px);text-align:center;position:relative;overflow:hidden}
.cta-band h2{color:#fff}

/* counts grid */
.count-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.count-item .big{font-family:var(--disp);font-size:clamp(34px,4vw,54px);font-weight:700;letter-spacing:-.02em}
.count-item .small{color:var(--muted);font-size:14.5px;margin-top:4px}

/* partner logo cell */
.logo-cell{aspect-ratio:5/3;border-radius:16px;border:1px solid var(--line);background:var(--paper);display:flex;align-items:center;justify-content:center;transition:.35s var(--ease)}
.logo-cell:hover{border-color:var(--b1);transform:translateY(-4px);box-shadow:0 18px 40px -22px rgba(0,0,0,.3)}
.logo-cell span{font-family:var(--disp);font-weight:600;color:var(--ink);font-size:17px;text-align:center;line-height:1.2;padding:0 12px}
.logo-cell img{max-width:78%;max-height:56%;object-fit:contain;display:block}
.logo-cell.big img{max-width:92%;max-height:74%}

/* distributed brand rows (Brands page) */
.dist-row{display:grid;grid-template-columns:.9fr 1.4fr .9fr;gap:32px;align-items:center;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:22px;padding:clamp(20px,2.4vw,30px)}

/* ---------- Forms ---------- */
.form-field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.form-field label{font-size:13.5px;font-weight:600;color:var(--ink)}
.form-field input,.form-field textarea,.form-field select{
  font-family:var(--sans);font-size:15.5px;color:var(--ink);background:var(--cream);
  border:1.5px solid var(--line);border-radius:12px;padding:13px 15px;width:100%;transition:border-color .2s,background .2s;-webkit-appearance:none;appearance:none}
.form-field textarea{resize:vertical;min-height:120px}
.form-field input:focus,.form-field textarea:focus,.form-field select:focus{outline:none;border-color:var(--b1);background:#fff}
.form-field.err input,.form-field.err textarea,.form-field.err select{border-color:#E0453A;background:#FFF4F3}
.form-field .msg{font-size:12.5px;color:#E0453A;min-height:0;display:none}
.form-field.err .msg{display:block}
.form-select{position:relative}
.form-select::after{content:"";position:absolute;right:16px;top:46px;width:8px;height:8px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg);pointer-events:none}
.form-success{text-align:center;padding:clamp(30px,5vw,52px)}
.form-success .check{width:64px;height:64px;border-radius:50%;background:var(--grad);margin:0 auto 22px;display:flex;align-items:center;justify-content:center}
.form-success .check svg{width:30px;height:30px}

/* ---------- Footer ---------- */
.footer{background:var(--ink);color:#fff;padding:clamp(56px,8vw,96px) 0 36px}
.footer a{color:rgba(255,255,255,.7);transition:color .2s}
.footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer h4{font-family:var(--sans);font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.45);margin-bottom:18px;font-weight:700}
.footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px;font-size:15px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:56px;padding-top:26px;border-top:1px solid rgba(255,255,255,.12);font-size:13.5px;color:rgba(255,255,255,.5)}

/* ---------- Reveal animations ---------- */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .marquee-track{animation:none}
  html{scroll-behavior:auto}
}

/* ---------- Responsive ---------- */
@media (max-width:1000px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .count-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .nav-links,.nav-right .lang,.nav-right .btn{display:none}
  .nav-burger{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{height:clamp(340px,70vw,440px)}
  .feature{grid-template-columns:1fr;gap:30px}
  .feature.flip .feat-text{order:0}
  .cols-3{grid-template-columns:1fr}
  .cols-4{grid-template-columns:1fr 1fr}
  .cols-2{grid-template-columns:1fr}
  .about-grid,.contact-grid,.form-two,.dist-row{grid-template-columns:1fr !important}
  .struct-row{flex-direction:column;gap:8px}
  .struct-row .meta{text-align:left}
  .struct-row .tag{width:auto}
}
@media (max-width:560px){
  body{font-size:16px}
  .footer-grid{grid-template-columns:1fr}
  .count-grid{grid-template-columns:1fr 1fr}
  .hero-stats{gap:22px}
}