/* ============ YZWELD TOOLS — premium industrial theme ============ */
:root{
  --ink:#0b0f14;
  --ink-2:#111821;
  --ink-3:#18212c;
  --paper:#f6f7f9;
  --white:#ffffff;
  --accent:#ff6d1f;
  --accent-2:#ffb347;
  --accent-grad:linear-gradient(93deg,#ff6d1f 0%,#ffb347 100%);
  --text:#1c2530;
  --muted:#66737f;
  --muted-dark:#9aa7b4;
  --line:#e6e9ed;
  --radius:18px;
  --shadow:0 10px 40px rgba(11,15,20,.10);
  --shadow-lg:0 24px 70px rgba(11,15,20,.16);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  color:var(--text);background:var(--white);
  -webkit-font-smoothing:antialiased;line-height:1.65;
}
h1,h2,h3,h4,.brand{font-family:'Sora','Inter',sans-serif}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  transition:background .3s,box-shadow .3s;
}
.site-header.scrolled{background:rgba(11,15,20,.92);backdrop-filter:blur(14px);box-shadow:0 1px 0 rgba(255,255,255,.06)}
.nav{display:flex;align-items:center;gap:40px;padding:18px 0;transition:padding .25s}
.site-header.scrolled .nav{padding:11px 0}
.brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:700;font-size:1.25rem;letter-spacing:.02em}
.brand .mark{
  width:40px;height:40px;border-radius:10px;background:var(--accent-grad);
  display:grid;place-items:center;color:#fff;font-size:1.05rem;font-weight:800;
  box-shadow:0 6px 18px rgba(255,109,31,.45);
}
.brand small{display:block;font-size:.62rem;font-weight:500;color:var(--muted-dark);letter-spacing:.24em;text-transform:uppercase}
.nav-links{display:flex;gap:34px;margin-left:auto;list-style:none;align-items:center}
.nav-links a{color:#dfe6ec;font-size:.92rem;font-weight:500;position:relative;padding:4px 0;white-space:nowrap}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:2px;background:var(--accent-grad);transition:width .25s}
.nav-links a:hover::after{width:100%}
/* Scoped to .nav-links so it outweighs `.nav-links a` (0,1,1) — otherwise that
   rule's `padding:4px 0` wins and the pill collapses onto the label. */
.nav-links a.nav-cta{
  background:var(--accent-grad);color:#fff;font-weight:600;
  padding:10px 22px;border-radius:999px;font-size:.9rem;
  box-shadow:0 8px 22px rgba(255,109,31,.4);transition:transform .2s,box-shadow .2s;
}
.nav-links a.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,109,31,.5)}
.nav-links a.nav-cta::after{display:none}

/* light header variant for product pages */
.header-solid{background:rgba(11,15,20,.95);backdrop-filter:blur(14px)}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(1100px 500px at 82% -10%,rgba(255,109,31,.28),transparent 60%),
    radial-gradient(900px 480px at -10% 110%,rgba(255,179,71,.14),transparent 55%),
    linear-gradient(160deg,#0b0f14 0%,#101823 55%,#0b0f14 100%);
  padding:190px 0 130px;
}
.hero::before{ /* fine grid texture */
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(900px 600px at 60% 40%,#000 20%,transparent 75%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.78rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;
  color:var(--accent-2);margin-bottom:22px;
}
.eyebrow::before{content:"";width:34px;height:2px;background:var(--accent-grad)}
.hero h1{font-size:clamp(2.4rem,5vw,3.9rem);line-height:1.12;font-weight:700;letter-spacing:-.02em}
.hero h1 .grad{background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{margin:26px 0 38px;font-size:1.13rem;color:#b9c4cf;max-width:560px}
.hero-actions{display:flex;gap:18px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 32px;border-radius:999px;font-weight:600;font-size:.98rem;
  transition:transform .2s,box-shadow .2s,background .2s;
}
.btn-primary{background:var(--accent-grad);color:#fff;box-shadow:0 10px 30px rgba(255,109,31,.42)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(255,109,31,.55)}
.btn-ghost{border:1px solid rgba(255,255,255,.25);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.08);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(11,15,20,.3)}

.hero-visual{position:relative}
.hero-visual .halo{
  position:absolute;inset:-8% -8%;border-radius:50%;
  background:radial-gradient(closest-side,rgba(255,109,31,.32),transparent 70%);
  filter:blur(10px);
}
.hero-card{
  position:relative;border-radius:28px;overflow:hidden;
  background:linear-gradient(150deg,#f7f8fa, #e9edf1);
  box-shadow:0 40px 90px rgba(0,0,0,.5), inset 0 0 0 1px rgba(255,255,255,.5);
  transform:rotate(2deg);
}
.hero-card img{width:100%;aspect-ratio:1;object-fit:cover}
.hero-chip{
  position:absolute;background:rgba(11,15,20,.85);backdrop-filter:blur(8px);
  color:#fff;padding:12px 18px;border-radius:14px;font-size:.82rem;
  border:1px solid rgba(255,255,255,.12);box-shadow:0 14px 34px rgba(0,0,0,.4);
}
.hero-chip b{display:block;font-size:1rem;color:var(--accent-2)}
.chip-1{top:8%;left:-7%}
.chip-2{bottom:10%;right:-6%}

/* stats band */
.stats-band{position:relative;margin-top:90px}
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid rgba(255,255,255,.1);padding-top:44px;gap:20px;
}
.stat b{font-family:'Sora';font-size:2.1rem;font-weight:700;color:#fff}
.stat b span{color:var(--accent)}
.stat p{color:#8b98a5;font-size:.88rem;margin-top:4px}

/* ---------- sections ---------- */
section{padding:110px 0}
.section-head{max-width:680px;margin-bottom:64px}
.section-head.center{margin-inline:auto;text-align:center}
.kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.75rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;
  color:var(--accent);margin-bottom:16px;
}
.kicker::before{content:"";width:26px;height:2px;background:var(--accent-grad)}
.section-head.center .kicker::after{content:"";width:26px;height:2px;background:var(--accent-grad)}
h2.title{font-size:clamp(1.9rem,3.4vw,2.7rem);font-weight:700;letter-spacing:-.02em;line-height:1.18}
.section-head p{color:var(--muted);margin-top:18px;font-size:1.05rem}

/* ---------- product grid ---------- */
.products-section{background:var(--paper)}
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.prod-card{
  background:var(--white);border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);
  transition:transform .3s,box-shadow .3s,border-color .3s;
  display:flex;flex-direction:column;
}
.prod-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}
.prod-media{position:relative;background:#fff;aspect-ratio:1;overflow:hidden}
.prod-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.prod-card:hover .prod-media img{transform:scale(1.06)}
.prod-tag{
  position:absolute;top:14px;left:14px;
  background:rgba(11,15,20,.82);color:#ffd9a8;backdrop-filter:blur(6px);
  font-size:.68rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  padding:6px 12px;border-radius:999px;
}
.prod-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.prod-sku{font-size:.74rem;font-weight:700;letter-spacing:.12em;color:var(--accent)}
.prod-name{font-size:1.02rem;font-weight:600;line-height:1.4;color:var(--text)}
.prod-desc{font-size:.86rem;color:var(--muted);flex:1}
.prod-link{
  margin-top:6px;display:inline-flex;align-items:center;gap:8px;
  font-size:.85rem;font-weight:600;color:var(--ink);
}
.prod-link svg{transition:transform .25s}
.prod-card:hover .prod-link svg{transform:translateX(5px)}
.prod-card:hover .prod-link{color:var(--accent)}

/* ---------- why us ---------- */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.why-card{
  border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;
  transition:transform .3s,box-shadow .3s;background:var(--white);
}
.why-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.why-icon{
  width:52px;height:52px;border-radius:14px;background:linear-gradient(140deg,#fff1e6,#ffe3c7);
  display:grid;place-items:center;margin-bottom:20px;color:var(--accent);
}
.why-card h3{font-size:1.12rem;margin-bottom:10px}
.why-card p{font-size:.92rem;color:var(--muted)}

/* ---------- about ---------- */
.about-section{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.about-section::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(800px 400px at 90% 10%,rgba(255,109,31,.14),transparent 60%);
}
.about-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.about-grid .kicker{color:var(--accent-2)}
.about-grid h2{color:#fff}
.about-grid p{color:#aeb9c4;margin-top:20px;font-size:1.02rem}
.about-points{margin-top:30px;display:grid;gap:14px}
.about-points li{
  list-style:none;display:flex;gap:14px;align-items:flex-start;
  color:#d7dee5;font-size:.95rem;
}
.about-points li::before{
  content:"✓";flex:0 0 22px;height:22px;border-radius:50%;
  background:var(--accent-grad);color:#fff;font-size:.72rem;font-weight:700;
  display:grid;place-items:center;margin-top:2px;
}
.about-visual{position:relative}
.about-visual img{border-radius:24px;box-shadow:0 30px 70px rgba(0,0,0,.5)}
.about-badge{
  position:absolute;left:-26px;bottom:-26px;
  background:var(--accent-grad);color:#fff;border-radius:20px;
  padding:22px 28px;box-shadow:0 20px 50px rgba(255,109,31,.45);
}
.about-badge b{font-family:'Sora';font-size:1.9rem;display:block;line-height:1}
.about-badge span{font-size:.8rem;opacity:.92}

/* ---------- contact ---------- */
.contact-section{background:var(--paper)}
.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:start}
.contact-cards{display:grid;gap:16px;margin-top:34px}
.contact-card{
  display:flex;gap:18px;align-items:center;background:var(--white);
  border:1px solid var(--line);border-radius:16px;padding:20px 24px;
  transition:transform .25s,box-shadow .25s;
}
.contact-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.contact-card .ic{
  width:46px;height:46px;border-radius:12px;flex:0 0 46px;
  background:linear-gradient(140deg,#fff1e6,#ffe3c7);color:var(--accent);
  display:grid;place-items:center;
}
.contact-card b{display:block;font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:600}
.contact-card span{font-size:1rem;font-weight:600;color:var(--text)}
.inquiry-panel{
  background:var(--ink);border-radius:24px;padding:44px 42px;color:#fff;
  position:sticky;top:110px;box-shadow:var(--shadow-lg);
  background-image:radial-gradient(500px 260px at 100% 0%,rgba(255,109,31,.18),transparent 60%);
}
.inquiry-panel h3{font-size:1.5rem;margin-bottom:14px}
.inquiry-panel p{color:#aeb9c4;font-size:.95rem;margin-bottom:28px}
.inquiry-panel .btn{width:100%;justify-content:center;margin-bottom:14px}

/* ---------- footer ---------- */
.site-footer{background:#080b0f;color:#8b98a5;padding:70px 0 34px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:50px;padding-bottom:46px;border-bottom:1px solid rgba(255,255,255,.07)}
.site-footer .brand{margin-bottom:18px}
.site-footer p{font-size:.9rem}
.site-footer h4{color:#fff;font-size:.95rem;margin-bottom:18px}
.site-footer ul{list-style:none;display:grid;gap:10px;font-size:.9rem}
.site-footer ul a:hover{color:var(--accent-2)}
.footer-bottom{padding-top:28px;font-size:.82rem;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* ---------- product detail ---------- */
.detail-hero{background:var(--ink);padding:150px 0 60px;color:#fff}
.breadcrumb{font-size:.85rem;color:#8b98a5;display:flex;gap:10px;flex-wrap:wrap}
.breadcrumb a:hover{color:var(--accent-2)}
.detail-hero h1{font-size:clamp(1.6rem,3vw,2.4rem);margin-top:18px;letter-spacing:-.01em;max-width:900px}
.detail-tags{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.tag{
  font-size:.74rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  padding:7px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.2);color:#ffd9a8;
}
.detail-body{padding:70px 0 90px}
.detail-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start}
.gallery-main{
  border-radius:22px;overflow:hidden;border:1px solid var(--line);
  background:#fff;box-shadow:var(--shadow);
}
.gallery-main img{width:100%;aspect-ratio:1;object-fit:cover}
.thumbs{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-top:14px}
.thumbs button{
  border:2px solid var(--line);border-radius:12px;overflow:hidden;cursor:pointer;
  background:#fff;padding:0;transition:border-color .2s,transform .2s;
}
.thumbs button:hover{transform:translateY(-2px)}
.thumbs button.active{border-color:var(--accent)}
.thumbs img{aspect-ratio:1;object-fit:cover}
.detail-info .prod-sku{font-size:.8rem}
.detail-info h2{font-size:1.5rem;margin:8px 0 16px}
.detail-info>p{color:var(--muted);font-size:1rem}
.feature-list{margin:26px 0 8px;display:grid;gap:12px;list-style:none}
.feature-list li{display:flex;gap:12px;font-size:.95rem;align-items:flex-start}
.feature-list li::before{
  content:"";flex:0 0 8px;height:8px;border-radius:50%;background:var(--accent-grad);margin-top:8px;
}
.spec-table{width:100%;border-collapse:collapse;margin:26px 0 30px;font-size:.93rem}
.spec-table th,.spec-table td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line)}
.spec-table th{width:42%;color:var(--muted);font-weight:600;background:var(--paper)}
.detail-cta{display:flex;gap:14px;flex-wrap:wrap}
.related{background:var(--paper);padding:80px 0 100px}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(max-width:960px){
  .nav{gap:20px}
  .nav-links{gap:18px}
  .nav-links a{font-size:.85rem}
  .nav-links a.nav-cta{padding:9px 16px}
}
@media(max-width:1024px){
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .hero-grid{grid-template-columns:1fr;gap:50px}
  .hero-visual{max-width:460px}
  .stats{grid-template-columns:repeat(2,1fr);gap:32px}
  .why-grid{grid-template-columns:1fr 1fr}
  .about-grid,.contact-grid,.detail-grid{grid-template-columns:1fr;gap:50px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .inquiry-panel{position:static}
}
@media(max-width:640px){
  section{padding:80px 0}
  .nav-links{display:none}
  .prod-grid,.why-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .hero{padding:150px 0 90px}
  .thumbs{grid-template-columns:repeat(5,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .about-badge{left:12px;bottom:-20px}
}

/* ---------- 3D product viewer ---------- */
.gallery-main{position:relative}
.gallery-main .is-hidden{display:none!important}
.tip3d{min-width:0}
.tip3d{
  width:100%;aspect-ratio:1;position:relative;touch-action:none;cursor:grab;
  background:radial-gradient(circle at 50% 42%,#ffffff 0%,#eef1f5 70%,#e4e8ee 100%);
}
.tip3d:active{cursor:grabbing}
.tip3d canvas{position:absolute;inset:0;display:block;width:100%!important;height:100%!important}
.detail-grid>div{min-width:0}
.tip3d-hint{
  position:absolute;left:50%;bottom:16px;transform:translateX(-50%);white-space:nowrap;
  font-size:.74rem;font-weight:600;letter-spacing:.02em;color:var(--muted);
  background:rgba(255,255,255,.88);border:1px solid var(--line);padding:7px 14px;border-radius:999px;
  pointer-events:none;z-index:2
}
.tip3d-badge{
  position:absolute;top:16px;left:16px;font-size:.7rem;font-weight:700;letter-spacing:.1em;
  color:#fff;background:var(--accent-grad);padding:6px 10px;border-radius:8px;pointer-events:none;z-index:2
}
.thumbs .thumb-3d{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  aspect-ratio:1;font-family:'Sora','Inter',sans-serif;font-weight:800;font-size:1rem;color:var(--ink);
  background:linear-gradient(160deg,#fff 0%,#f1f3f6 100%)
}
.thumbs .thumb-3d svg{width:22px;height:22px;stroke:var(--accent)}
.thumbs .thumb-3d small{font-size:.58rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}

/* ---------- size & pressure chart ---------- */
.chart-title{font-size:1.05rem;margin:-6px 0 12px}
.chart-wrap{overflow-x:auto;margin:0 0 30px;border:1px solid var(--line);border-radius:12px}
.size-chart{width:100%;border-collapse:collapse;font-size:.88rem;white-space:nowrap}
.size-chart th{background:var(--ink);color:#fff;font-weight:600;text-align:left;padding:11px 14px}
.size-chart td{padding:10px 14px;border-bottom:1px solid var(--line)}
.size-chart tbody tr:nth-child(even) td{background:var(--paper)}
.size-chart tbody tr:last-child td{border-bottom:0}
.size-chart td:first-child{font-weight:700;color:var(--accent)}

/* ---------- utility bar (top strip) ----------
   Tertiary row: quiet text only, so the single orange CTA in the nav below
   stays the one obvious button. It folds away once the user scrolls. */
.utility-bar{
  border-bottom:1px solid rgba(255,255,255,.07);font-size:.78rem;
  height:42px;overflow:hidden;
  transition:height .3s cubic-bezier(.4,0,.2,1),opacity .22s,border-color .22s;
}
.site-header.scrolled .utility-bar{height:0;opacity:0;border-bottom-color:transparent}
.utility-bar .container{display:flex;align-items:center;justify-content:space-between;gap:20px;height:42px}
.ub-tag{color:#7f8b98;letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ub-links{display:flex;align-items:center;gap:20px;flex:0 0 auto}
.ub-links a{color:#b4bfca;font-weight:500;transition:color .2s}
.ub-links a:hover{color:#fff}
.ub-links .ub-sample{color:var(--accent-2);font-weight:600}
.ub-links .ub-sample:hover{color:#ffe3bd}
.hero{padding-top:224px}
.detail-hero{padding-top:184px}
.page-hero .hero-lead{color:#aeb9c4;margin-top:16px;max-width:760px;font-size:1.05rem}
.page-body{padding:80px 0 100px}

/* ---------- lead forms ---------- */
.lead-form .hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}
.form-intro{color:#aeb9c4;font-size:.92rem;margin:-10px 0 18px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid .f-full{grid-column:1/-1}
.form-grid label{display:block;font-size:.78rem;font-weight:600;letter-spacing:.04em;color:#aeb9c4;text-transform:uppercase}
.form-grid .f-label{display:block;font-size:.78rem;font-weight:600;letter-spacing:.04em;color:#aeb9c4;text-transform:uppercase;margin-bottom:8px}
.form-grid input[type=text],.form-grid input[type=email],.form-grid input[type=tel],.form-grid select,.form-grid textarea{
  display:block;width:100%;margin-top:6px;padding:11px 13px;border-radius:10px;border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.06);color:#fff;font:inherit;font-size:.95rem;text-transform:none;letter-spacing:0;outline:none;transition:border-color .2s,background .2s
}
.form-grid select option{color:#111}
.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus{border-color:var(--accent);background:rgba(255,255,255,.09)}
.form-grid textarea{resize:vertical;min-height:70px}
.chk-row,.chk-grid{display:flex;flex-wrap:wrap;gap:8px}
.chk-grid{display:grid;grid-template-columns:repeat(2,1fr)}
.chk{display:flex;align-items:center;gap:8px;font-size:.88rem;color:#dfe6ec;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:9px;padding:8px 11px;cursor:pointer;text-transform:none;letter-spacing:0;font-weight:500}
.chk input{accent-color:var(--accent);width:15px;height:15px;margin:0}
.chk small{color:#8b98a5;font-size:.75rem}
.form-submit{width:100%;justify-content:center;margin-top:18px}
.form-note{color:#8b98a5;font-size:.85rem;margin-top:14px;text-align:center}
.form-note a,.form-success a,.form-fallback a{color:#ffd9a8;text-decoration:underline}
.form-success,.form-fallback{margin-top:8px;padding:18px 20px;border-radius:14px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12)}
.form-success b,.form-fallback b{display:block;font-size:1.05rem;margin-bottom:6px;color:#fff}
.form-success span,.form-fallback span{color:#aeb9c4;font-size:.92rem}
.form-success{border-color:rgba(120,220,140,.4)}
.inquiry-section{background:var(--paper);padding:90px 0}
.inquiry-section .inquiry-panel{position:static}
.inquiry-panel .form-grid{margin-top:4px}

/* ---------- person card / steps / notes ---------- */
.person-card{display:flex;gap:18px;align-items:flex-start;margin-top:34px;padding:22px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow)}
.person-card .avatar{flex:0 0 56px;height:56px;border-radius:50%;background:var(--accent-grad);color:#fff;display:grid;place-items:center;font-weight:800;font-size:1.1rem;font-family:'Sora','Inter',sans-serif}
.person-card b{display:block;font-size:1.05rem}
.person-card>div>span{display:block;color:var(--muted);font-size:.88rem;margin:2px 0 10px}
.person-card ul{list-style:none;display:grid;gap:4px;font-size:.9rem}
.person-card a{color:var(--accent);font-weight:600}
.steps{list-style:none;display:grid;gap:12px;margin-top:28px}
.steps li{display:flex;gap:14px;align-items:center;font-size:.98rem}
.steps b{flex:0 0 34px;height:34px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:.9rem}
.note-box{margin-top:24px;padding:16px 18px;border-radius:12px;background:#fff6ee;border:1px solid #ffd9bd;font-size:.92rem;color:#5a3b22}
.catalog-list{list-style:none;margin-top:26px;display:grid;gap:8px;font-size:.93rem}
.catalog-list li{display:flex;gap:12px;align-items:baseline;padding:8px 0;border-bottom:1px solid var(--line)}
.catalog-list span{font-weight:700;color:var(--accent);flex:0 0 100px;font-size:.85rem}
.catalog-download{margin-top:26px;padding:22px;border-radius:16px;background:var(--ink);color:#fff;display:grid;gap:14px}
.catalog-download b{font-size:1.05rem}

/* ---------- floating contact widget ---------- */
.float-contact{position:fixed;right:18px;bottom:22px;z-index:90;display:grid;gap:10px}
.fc{position:relative;width:50px;height:50px;border-radius:50%;display:grid;place-items:center;color:#fff;border:0;cursor:pointer;box-shadow:0 10px 24px rgba(0,0,0,.22);transition:transform .2s;background:var(--ink)}
.fc:hover{transform:translateY(-2px)}
.fc-wa{background:#25d366}.fc-wx{background:#07c160}.fc-mail{background:var(--accent-grad)}.fc-top{background:#2a3441;width:42px;height:42px;margin-left:4px}
.fc-tip{position:absolute;right:60px;top:50%;transform:translateY(-50%);background:var(--ink);color:#fff;font-size:.78rem;line-height:1.35;padding:8px 12px;border-radius:9px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .2s;box-shadow:var(--shadow-lg)}
.fc:hover .fc-tip,.fc.open .fc-tip{opacity:1}

@media(max-width:960px){
  .form-grid{grid-template-columns:1fr}
  .chk-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .ub-tag{display:none}
  .utility-bar .container{justify-content:flex-end;gap:14px}
  .ub-links{gap:14px}
  .lang-switch{padding-left:14px}
  .hero{padding-top:190px}
  .detail-hero{padding-top:170px}
  .chk-grid{grid-template-columns:1fr}
  .float-contact{right:12px;bottom:14px}
}

/* ---------- language switcher ---------- */
.lang-switch{display:inline-flex;align-items:center;padding-left:20px;border-left:1px solid rgba(255,255,255,.12)}
.lang-switch .lang-opt{padding:0 9px;color:#6f7b88;font-weight:600;font-size:.76rem;transition:color .2s;line-height:1.6}
.lang-switch .lang-opt+.lang-opt{border-left:1px solid rgba(255,255,255,.14)}
.lang-switch .lang-opt:hover{color:#fff}
.lang-switch .lang-opt.active{color:#fff}

/* ---------- Simplified Chinese typography ----------
   Sora / Inter carry no CJK glyphs, so fall back to the platform UI faces and
   relax the Latin-tuned tracking, which looks cramped on Han characters. */
html[lang="zh-Hans"]{
  --cjk:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC','Source Han Sans SC',sans-serif;
}
html[lang="zh-Hans"] body{font-family:'Inter',var(--cjk);line-height:1.75}
html[lang="zh-Hans"] h1,html[lang="zh-Hans"] h2,html[lang="zh-Hans"] h3,html[lang="zh-Hans"] h4{
  font-family:'Sora',var(--cjk);letter-spacing:0;line-height:1.35
}
html[lang="zh-Hans"] .brand{font-family:'Sora',var(--cjk)}
html[lang="zh-Hans"] h2.title{letter-spacing:0;line-height:1.35}
html[lang="zh-Hans"] .hero h1{letter-spacing:0;line-height:1.28}
html[lang="zh-Hans"] .eyebrow,html[lang="zh-Hans"] .kicker,html[lang="zh-Hans"] .tag,
html[lang="zh-Hans"] .prod-tag,html[lang="zh-Hans"] .ub-tag{letter-spacing:.04em}
html[lang="zh-Hans"] .form-grid label,html[lang="zh-Hans"] .form-grid .f-label,
html[lang="zh-Hans"] .contact-card b{letter-spacing:.02em;text-transform:none}
html[lang="zh-Hans"] .stat p,html[lang="zh-Hans"] .hero-chip{letter-spacing:0}
html[lang="zh-Hans"] .prod-name,html[lang="zh-Hans"] .detail-hero h1{letter-spacing:0}
/* CJK has no word spaces: let long strings wrap anywhere rather than overflow */
html[lang="zh-Hans"] .prod-desc,html[lang="zh-Hans"] .detail-info>p,
html[lang="zh-Hans"] .feature-list li,html[lang="zh-Hans"] .steps li span{word-break:break-word;line-break:strict}

/* ---------- social profiles ---------- */
.social-label{font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-dark);margin:26px 0 12px}
.social-label.on-light{color:var(--muted);margin-top:30px}
.social-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.social{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.14);color:#b4bfca;
  transition:color .2s,border-color .2s,background .2s,transform .2s;
}
.social svg{width:18px;height:18px}
.social:hover{color:#fff;border-color:var(--accent);background:rgba(255,109,31,.14);transform:translateY(-2px)}
/* accounts that are not live yet: visible but clearly inactive */
.social.is-soon{opacity:.38;cursor:default}
.social.is-soon:hover{color:#b4bfca;border-color:rgba(255,255,255,.14);background:none;transform:none}
.social-row.on-light .social{border-color:var(--line);color:var(--muted);background:#fff}
.social-row.on-light .social:hover{color:var(--accent);border-color:var(--accent);background:#fff6ee}
.social-row.on-light .social.is-soon{opacity:.5}
.social-row.on-light .social.is-soon:hover{color:var(--muted);border-color:var(--line);background:#fff}

/* ---------- language dropdown (used automatically past INLINE_LANG_LIMIT) ---------- */
/* Deliberately NOT position:relative — the list below is absolutely positioned
   against .site-header instead, so .utility-bar's overflow:hidden (needed for
   the collapse animation) cannot clip the open menu. */
.lang-menu{padding-left:20px;border-left:1px solid rgba(255,255,255,.12)}
.lang-current{
  display:inline-flex;align-items:center;gap:6px;background:none;border:0;cursor:pointer;
  color:#b4bfca;font:inherit;font-weight:600;font-size:.76rem;padding:4px 0;transition:color .2s;
}
.lang-current:hover{color:#fff}
.lang-list{
  /* right edge tracks the 1200px container's inner edge at any viewport width */
  position:absolute;top:48px;right:max(24px, calc(50% - 576px));
  min-width:150px;list-style:none;z-index:120;
  background:var(--ink-2);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:6px;
  box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .18s,transform .18s,visibility .18s;
}
.lang-menu:hover .lang-list,.lang-menu:focus-within .lang-list{opacity:1;visibility:visible;transform:none}
.lang-list a{display:block;padding:8px 12px;border-radius:8px;color:#b4bfca;font-size:.82rem;font-weight:500}
.lang-list a:hover{background:rgba(255,255,255,.08);color:#fff}
.lang-list a.active{color:#fff;background:rgba(255,109,31,.16)}