/* ============================================================
   JXY Labo — Neo-Lab design system
   Palette: indigo #4F46E5 / cyan #22D3EE / ink #101015 / mist #F6F6FA
   ============================================================ */

:root{
  --ink:#16161A;
  --body:#52525B;
  --muted:#71717A;
  --faint:#8A8A96;
  --light:#F6F6FA;
  --line:#E8E8F0;
  --dark:#101015;
  --dark-nav:#0E0E13;
  --dark-card:#20202C;
  --dark-line:#32323F;
  --dark-body:#A5A5B0;
  --brand:#4F46E5;
  --brand-soft:#EEF0FF;
  --cyan:#22D3EE;
  --grad:linear-gradient(90deg,#4F46E5 0%,#06B6D4 100%);
  --radius:18px;
  --shadow:0 20px 50px -24px rgba(22,22,26,.18);
  --font:"Inter","Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:var(--ink);
  background:#fff;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  font-size:16px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}

.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- Typography ---------- */
h1{font-size:clamp(38px,5vw,56px);font-weight:600;line-height:1.15;letter-spacing:-.02em}
h2{font-size:clamp(30px,3.4vw,40px);font-weight:600;line-height:1.2;letter-spacing:-.015em}
h3{font-size:clamp(22px,2.4vw,30px);font-weight:600;line-height:1.25}
.eyebrow{display:block;font-size:14px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;margin-bottom:18px}
.lead{font-size:clamp(16px,1.4vw,19px);color:var(--muted);line-height:1.6;max-width:720px}

.section{padding:96px 0}
.section-head{max-width:760px;margin-bottom:52px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head p{margin-top:14px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:9999px;padding:14px 30px;font-size:16px;font-weight:500;
  cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
  white-space:nowrap;border:0;
}
.btn:hover{transform:translateY(-2px)}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 12px 28px -12px rgba(79,70,229,.55)}
.btn-grad:hover{box-shadow:0 16px 34px -12px rgba(79,70,229,.65)}
.btn-outline{background:transparent;color:var(--brand);border:1px solid var(--brand)}
.btn-outline:hover{background:var(--brand-soft)}
.btn-ghost{background:var(--dark-card);color:#fff;border:1px solid var(--dark-line)}
.btn-ghost:hover{border-color:#4A4A58}
.btn-block{width:100%}

/* ---------- Navigation ---------- */
.nav{
  position:sticky;top:0;z-index:100;
  background:rgba(14,14,19,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;
  height:64px;display:flex;align-items:center;justify-content:space-between;
}
.logo{color:#fff;font-weight:600;font-size:19px;letter-spacing:.02em}
.logo span{color:var(--cyan)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{color:#D6D6DE;font-size:14px;transition:color .15s}
.nav-links a:hover,.nav-links a.active{color:#fff}
.nav-cta{padding:9px 20px;font-size:13.5px;margin-left:6px}
.nav-toggle{display:none}
.nav-burger{display:none}

/* ---------- Hero ---------- */
.hero{padding:88px 0 96px;text-align:center}
.hero .eyebrow{margin-bottom:14px}
.hero p.lead{margin:20px auto 34px}
.hero-img{
  margin-top:64px;border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);
}
.hero-img img{width:100%;height:440px;object-fit:cover}
.hero-ctas{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ---------- Dark sections ---------- */
.dark{background:var(--dark);color:#fff}
.dark h1,.dark h2,.dark h3{color:#fff}
.dark .lead{color:var(--dark-body)}
.dark .eyebrow{color:var(--cyan)}
.dark-card{
  background:var(--dark-card);
  border:1px solid var(--dark-line);
  border-radius:var(--radius);
  padding:28px;
  transition:transform .2s ease,border-color .2s ease;
}
.dark-card:hover{transform:translateY(-4px);border-color:#45455A}
.dark-card h3{font-size:19px;margin-bottom:10px}
.dark-card p{font-size:14.5px;color:var(--dark-body);line-height:1.6}
.num-cyan{font-size:14px;font-weight:600;color:var(--cyan);display:block;margin-bottom:10px}

/* ---------- Light cards ---------- */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;transition:transform .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card h3{font-size:19px;margin-bottom:10px}
.card p{font-size:14.5px;color:var(--muted);line-height:1.6}
.card-soft{background:var(--light);border:0}
.card-soft:hover{box-shadow:0 16px 40px -20px rgba(22,22,26,.15)}

/* ---------- Grids ---------- */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* Category card with image */
.cat-card{padding:0;overflow:hidden;display:flex;flex-direction:column}
.cat-card img{width:100%;height:200px;object-fit:cover;transition:transform .35s ease}
.cat-card:hover img{transform:scale(1.04)}
.cat-card .cat-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.cat-card h3{font-size:18px}
.cat-link{font-size:14px;font-weight:600;color:var(--brand);margin-top:auto}
.cat-card:hover .cat-link{text-decoration:underline}

/* Badge chip */
.chip{
  display:inline-block;background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:600;letter-spacing:.04em;
  border-radius:9999px;padding:6px 13px;margin-bottom:12px;
}

/* ---------- Stats ---------- */
.stat{text-align:left}
.stat .num{font-size:clamp(36px,3.6vw,46px);font-weight:600;line-height:1.1}
.stat .label{font-size:14px;margin-top:6px;color:var(--muted)}
.dark .stat .label{color:var(--dark-body)}

/* ---------- Timeline (process page) ---------- */
.timeline{border-top:1px solid var(--line)}
.tl-row{display:grid;grid-template-columns:90px 1fr;gap:32px;padding:30px 0;border-bottom:1px solid var(--line)}
.tl-row:last-child{border-bottom:0}
.tl-num{font-size:34px;font-weight:600;color:#D4D4E4;line-height:1.2}
.tl-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:8px}
.tl-head h3{font-size:22px}
.tl-dur{font-size:13px;font-weight:600;color:var(--brand)}
.tl-row p{color:var(--muted);font-size:15px;max-width:820px}

/* ---------- Table (certifications) ---------- */
.table{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:8px 36px;overflow:hidden;
}
.tr{display:grid;grid-template-columns:260px 1fr;gap:32px;padding:24px 0;border-bottom:1px solid var(--line)}
.tr:last-child{border-bottom:0}
.tr.head{padding:20px 0;border-bottom:1px solid var(--line)}
.tr.head span{font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--faint)}
.tr .market{font-weight:600;font-size:17px}
.tr .docs{color:var(--muted);font-size:15px;line-height:1.7}

/* ---------- Split (image + text) ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split .img-side{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.split .img-side img{width:100%;height:440px;object-fit:cover}
.split h2{margin-bottom:16px}
.split .tag{color:var(--brand)}
.dark .split .tag{color:var(--cyan)}
.split p{color:var(--body)}
.tick-list{margin-top:20px;display:grid;gap:12px}
.tick-list li{color:var(--muted);font-size:15px;padding-left:26px;position:relative}
.tick-list li::before{content:"";position:absolute;left:0;top:7px;width:14px;height:14px;border-radius:50%;background:var(--grad)}

/* ---------- Quote / testimonial ---------- */
.quote-card{padding:40px}
.quote-card blockquote{font-size:clamp(19px,1.8vw,22px);line-height:1.55;color:var(--ink)}
.quote-card cite{display:block;margin-top:18px;font-style:normal;font-size:14px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-item{padding:26px 0;border-bottom:1px solid var(--dark-line)}
.faq-item:last-of-type{border-bottom:0}
.faq-item h3{font-size:17px;margin-bottom:8px}
.faq-item p{color:var(--dark-body);font-size:14.5px;max-width:860px}

/* ---------- CTA band ---------- */
.cta-band{text-align:center}
.cta-band .btn{margin-top:8px}
.cta-band p.lead{margin:16px auto 30px}
.cta-note{margin-top:20px;font-size:14px;color:var(--brand)}
.dark .cta-note{color:var(--cyan)}

/* ---------- Blog ---------- */
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin:32px 0 40px}
.tab{border:1px solid var(--line);background:var(--light);color:var(--muted);border-radius:9999px;padding:9px 18px;font-size:14px;cursor:pointer}
.tab.active{background:var(--brand);border-color:var(--brand);color:#fff}
.featured{
  display:grid;grid-template-columns:460px 1fr;gap:36px;align-items:center;
  background:var(--light);border-radius:var(--radius);padding:24px;margin-bottom:48px;
}
.featured img{border-radius:12px;height:300px;width:100%;object-fit:cover}
.featured h3{font-size:clamp(24px,2.4vw,30px);line-height:1.3;margin:12px 0}
.featured .tag{color:var(--brand);font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase}
.featured p{color:var(--muted)}
.read-more{display:inline-block;margin-top:14px;font-weight:600;color:var(--brand);font-size:15px}
.post-meta{font-size:13px;color:var(--muted)}
.post-card{display:flex;flex-direction:column}
.post-card img{border-radius:12px;height:170px;width:100%;object-fit:cover;margin-bottom:14px}
.post-card h3{font-size:17px;line-height:1.45;margin-bottom:10px}
.post-card:hover h3{color:var(--brand)}

/* Subscribe */
.subscribe-row{display:flex;gap:12px;justify-content:center;margin-top:30px;flex-wrap:wrap}
.subscribe-row input{
  width:min(400px,100%);height:52px;border-radius:9999px;border:1px solid var(--dark-line);
  background:var(--dark-card);color:#fff;padding:0 24px;font-size:15px;font-family:var(--font);
}
.subscribe-row input::placeholder{color:#7A7A88}
.subscribe-row input:focus{outline:2px solid var(--brand)}

/* ---------- Article ---------- */
.article-head{padding:72px 0 0;text-align:center}
.article-head .crumb{font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.04em;text-transform:uppercase;display:block;margin-bottom:16px}
.article-head h1{max-width:860px;margin:0 auto}
.article-head .meta{margin-top:18px;font-size:14px;color:var(--muted)}
.article-img{max-width:960px;margin:48px auto 0}
.article-img img{border-radius:var(--radius);width:100%;height:420px;object-fit:cover}
.article-body{max-width:720px;margin:0 auto;padding:64px 24px 72px}
.article-body p{color:var(--body);font-size:16.5px;line-height:1.8;margin-bottom:22px}
.article-body h2{font-size:25px;margin:36px 0 14px}
.article-body .pull{
  background:var(--light);border-radius:12px;padding:26px 30px;margin:30px 0;
  font-size:20px;line-height:1.55;color:var(--ink);
}
.article-body ul{margin:0 0 22px;display:grid;gap:10px}
.article-body ul li{color:var(--body);font-size:16px;padding-left:24px;position:relative}
.article-body ul li::before{content:"—";position:absolute;left:0;color:var(--brand)}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 400px;gap:36px;align-items:start}
.form-card{padding:36px}
.form-card h3{font-size:23px;margin-bottom:22px}
.field{display:grid;gap:7px;margin-bottom:18px}
.field label{font-size:13px;font-weight:600;color:var(--body)}
.field input,.field textarea{
  width:100%;height:48px;border-radius:10px;border:1px solid var(--line);
  background:var(--light);padding:0 16px;font-size:15px;font-family:var(--font);color:var(--ink);
}
.field textarea{height:120px;padding:14px 16px;resize:vertical}
.field input:focus,.field textarea:focus{outline:2px solid var(--brand);border-color:transparent}
.privacy{font-size:13px;color:var(--faint);margin-top:14px;line-height:1.5}
.info-card{background:var(--light);border-radius:16px;padding:22px 24px;display:grid;gap:18px;font-size:15px}
.info-row{display:flex;gap:12px;align-items:flex-start}
.info-ico{flex:0 0 32px;width:32px;height:32px;border-radius:10px;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center}
.info-ico svg{width:17px;height:17px;display:block}
.info-body{display:flex;flex-direction:column;gap:3px;min-width:0}
.info-body strong{display:block;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--faint);font-weight:600}
.info-body a{color:var(--ink);font-weight:500;word-break:break-word}
.info-values{display:flex;flex-direction:column;gap:2px}
.info-val{color:var(--ink);font-weight:500;letter-spacing:.01em}
.info-note{font-size:14px;color:var(--muted);line-height:1.6}

/* Flow steps (contact) */
.flow-card .step-num{font-size:14px;font-weight:600;color:var(--brand);display:block;margin-bottom:10px}

/* ---------- Footer ---------- */
footer{background:var(--light);padding:64px 0 40px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:48px}
.footer-grid h4{font-size:14px;font-weight:600;margin-bottom:14px}
.footer-grid a{display:block;font-size:14px;color:var(--muted);margin-bottom:10px;transition:color .15s}
.footer-grid a:hover{color:var(--brand)}
.footer-brand p{font-size:14px;color:var(--muted);margin:12px 0 14px;max-width:280px;line-height:1.6}
.footer-brand .site{color:var(--brand);font-size:14px;font-weight:500}
.brand-lockup{display:flex;align-items:center;gap:10px}
.brand-lockup .logo{display:inline-block;margin:0}
.brand-mark{width:26px;height:26px;display:block;flex:0 0 26px;border-radius:7px}
.footer-legal{
  border-top:1px solid var(--line);padding-top:24px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--muted);
}
.footer-legal a{color:var(--muted)}
.footer-legal a:hover{color:var(--brand)}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .section{padding:64px 0}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:36px}
  .split .img-side img{height:320px}
  .featured{grid-template-columns:1fr;padding:20px}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-img img{height:320px}
  .tl-row{grid-template-columns:56px 1fr;gap:20px}
  .tl-num{font-size:26px}
  .tr{grid-template-columns:1fr;gap:6px}
  .tr.head{display:none}
}

@media (max-width:640px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .hero{padding:56px 0 64px}
  .hero-ctas{flex-direction:column;align-items:stretch}
  .hero-ctas .btn{width:100%}
  .hero-img{margin-top:44px}
  .hero-img img{height:220px}
  .nav-links{
    position:fixed;inset:64px 0 auto 0;background:var(--dark-nav);
    flex-direction:column;align-items:flex-start;gap:0;
    padding:12px 24px 24px;border-bottom:1px solid var(--dark-line);
    transform:translateY(-130%);transition:transform .28s ease;
  }
  .nav-links a{padding:13px 0;font-size:16px;width:100%}
  .nav-cta{margin:14px 0 0;justify-content:center}
  .nav-toggle:checked ~ .nav-links{transform:translateY(0)}
  .nav-burger{display:block;cursor:pointer;padding:8px}
  .nav-burger span,.nav-burger span::before,.nav-burger span::after{
    content:"";display:block;width:22px;height:2px;background:#fff;border-radius:2px;position:relative;transition:transform .2s;
  }
  .nav-burger span::before{position:absolute;top:-7px}
  .nav-burger span::after{position:absolute;top:7px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-legal{flex-direction:column}
  .article-img img{height:220px}
}