:root{
  --blue:#123A63;
  --blue-2:#0F4C81;
  --orange:#E87722;
  --graphite:#3F454B;
  --light:#D9DEE3;
  --muted:#65717d;
  --bg:#f7f9fb;
  --white:#fff;
  --shadow:0 16px 40px rgba(18,58,99,.10);
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  color:#19324d;background:#fff;line-height:1.55;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(1160px,calc(100% - 40px));margin:0 auto}
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);border-bottom:1px solid rgba(18,58,99,.08)
}
.header-inner{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand img{width:270px;max-height:62px;object-fit:contain}
.nav{display:flex;gap:24px;font-size:.95rem;font-weight:700;color:var(--blue)}
.nav a:hover{color:var(--orange)}
.menu-btn{display:none;border:0;background:none;font-size:1.65rem;color:var(--blue)}
.hero{
  background:
    radial-gradient(circle at 88% 20%,rgba(232,119,34,.10),transparent 25%),
    linear-gradient(180deg,#fff 0%,#f8fbfd 100%);
  border-bottom:1px solid #edf1f4;
}
.hero-grid{display:grid;grid-template-columns:1.45fr .55fr;gap:54px;align-items:center;padding:82px 0}
.eyebrow,.section-kicker{
  color:var(--orange);font-size:.82rem;font-weight:900;text-transform:uppercase;letter-spacing:.13em
}
.hero h1{font-size:clamp(2.8rem,5vw,5rem);line-height:1.02;margin:.35em 0 .28em;color:var(--blue);letter-spacing:-.035em}
.lead{font-size:1.22rem;color:#4f6173;max-width:760px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:13px 20px;font-weight:850;transition:.2s}
.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:var(--blue-2)}
.btn-secondary{border:1px solid #b8c6d2;color:var(--blue);background:#fff}.btn-secondary:hover{border-color:var(--orange);color:var(--orange)}
.btn-light{background:#fff;color:var(--blue)}
.microcopy{margin-top:26px;font-size:.78rem;font-weight:800;letter-spacing:.13em;color:#708395}
.capacity-card{
  background:linear-gradient(160deg,var(--blue-2),var(--blue));color:#fff;border-radius:24px;padding:34px;text-align:center;
  box-shadow:0 22px 50px rgba(18,58,99,.20)
}
.weight-icon{width:80px;height:70px;margin:0 auto 18px;border:6px solid #fff;border-radius:14px 14px 22px 22px;display:flex;align-items:center;justify-content:center;font-size:1.25rem;font-weight:900;position:relative}
.weight-icon:before{content:"";position:absolute;width:30px;height:20px;border:6px solid #fff;border-bottom:0;border-radius:20px 20px 0 0;top:-24px}
.capacity-small{font-weight:900;font-size:1.25rem}.capacity-big{font-weight:950;font-size:4.2rem;line-height:1}.capacity-big span{font-size:2rem}
.rule{height:2px;background:var(--orange);margin:18px auto;width:78%}
.capacity-label{font-weight:900;letter-spacing:.04em}.capacity-note{margin-top:26px;padding-top:22px;border-top:1px solid rgba(255,255,255,.38);letter-spacing:.1em;font-size:.85rem}
.section{padding:82px 0}.section.alt{background:var(--bg)}
.section-heading{max-width:820px;margin-bottom:34px}.section-heading.compact{margin-bottom:28px}
.section-heading h2{font-size:clamp(2rem,3.5vw,3.1rem);color:var(--blue);margin:.22em 0 .3em;line-height:1.1}
.section-heading p{font-size:1.08rem;color:var(--muted);margin:0}
.color-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.color-card{overflow:hidden;border-radius:16px;box-shadow:var(--shadow);background:#fff}
.color-card img{width:100%;aspect-ratio:1/1.15;object-fit:cover}
.color-card div{padding:10px;text-align:center;font-weight:900;color:#fff;letter-spacing:.05em}
.color-card.orange div{background:#ef7418}.color-card.blue div{background:#0f6fae}.color-card.black div{background:#30343a}.color-card.white div{background:#e9edf0;color:#34414c}
.benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:38px}
.benefit-card{border:1px solid #e2e9ef;border-radius:16px;padding:28px;background:#fff}
.benefit-card .icon{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:var(--blue);color:#fff;font-weight:900;font-size:1.45rem;margin-bottom:15px}
.benefit-card:nth-child(2) .icon{background:var(--orange)}
.benefit-card h3{margin:0 0 6px;color:var(--blue)}.benefit-card p{margin:0;color:var(--muted)}
.spec-wrap{background:#fff;border:1px solid #dce5ec;border-radius:16px;overflow:hidden;box-shadow:0 8px 24px rgba(18,58,99,.06)}
.spec-table{width:100%;border-collapse:collapse}
.spec-table th,.spec-table td{padding:15px 18px;text-align:left;border-bottom:1px solid #e7edf2}
.spec-table th{width:34%;background:#f4f7f9;color:var(--blue);font-weight:850}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:0}
.ordering{background:#fff}
.code-example{font-size:clamp(2rem,5vw,4.6rem);font-weight:950;text-align:center;color:var(--blue);letter-spacing:.02em;margin:24px 0 30px}
.code-example b{font-weight:500;color:#8ea0b0;margin:0 .12em}
.order-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.order-card{background:#f6f8fa;border:1px solid #e2e8ee;border-radius:15px;padding:24px;text-align:center}
.order-code{display:block;font-size:2rem;font-weight:950;color:var(--blue)}.orange-text{color:var(--orange)}
.order-card h3{margin:6px 0;color:var(--blue);font-size:1rem}.order-card p{margin:0;color:#5d6f80;font-size:.95rem}
.example-box{margin-top:20px;background:#fff4eb;border-left:5px solid var(--orange);padding:18px 20px;border-radius:10px;color:#4b5b6a}
.example-box span{font-weight:900;color:var(--blue)}
.safety{background:linear-gradient(180deg,#f7fafc,#fff)}
.safety-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.safety-grid article{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid #e3ebf1;border-radius:14px;padding:20px}
.safety-grid span{flex:0 0 42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--orange);color:#fff;font-size:.8rem;font-weight:900}
.safety-grid p{margin:0;color:#536779}
.video-section{background:#fff}.video-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:46px;align-items:center}
.video-grid h2{font-size:2.7rem;color:var(--blue);margin:.25em 0}.video-grid p{color:var(--muted);font-size:1.08rem}
.video-frame{border-radius:20px;overflow:hidden;box-shadow:var(--shadow);background:#000;aspect-ratio:16/9}
.video-frame iframe{width:100%;height:100%;border:0}
.cta{background:linear-gradient(120deg,var(--blue),var(--blue-2));color:#fff;padding:58px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta .section-kicker{color:#ffc393}.cta h2{font-size:2.25rem;margin:.25em 0}.cta p{margin:0;color:#d8e5ef}
footer{background:#0b2f51;color:#fff;padding:25px 0}
.footer-inner{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px;align-items:center;font-size:.9rem}
.footer-inner div:nth-child(2){text-align:center;letter-spacing:.09em;font-size:.78rem}.footer-inner a{text-align:right}
@media(max-width:900px){
  .nav{display:none;position:absolute;left:20px;right:20px;top:76px;background:#fff;box-shadow:var(--shadow);padding:18px;border-radius:14px;flex-direction:column}
  .nav.open{display:flex}.menu-btn{display:block}.brand img{width:220px}
  .hero-grid,.video-grid{grid-template-columns:1fr}.capacity-card{max-width:420px}
  .color-grid,.order-grid{grid-template-columns:repeat(2,1fr)}
  .benefit-grid,.safety-grid{grid-template-columns:1fr}
  .cta-inner{align-items:flex-start;flex-direction:column}
  .footer-inner{grid-template-columns:1fr;text-align:center}.footer-inner a,.footer-inner div:nth-child(2){text-align:center}
}
@media(max-width:560px){
  .container{width:min(100% - 26px,1160px)}.hero-grid{padding:58px 0}
  .section{padding:58px 0}.color-grid,.order-grid{grid-template-columns:1fr}
  .spec-wrap{overflow-x:auto}.spec-table{min-width:650px}
  .hero h1{font-size:2.7rem}.header-inner{min-height:72px}.brand img{width:185px}
}