:root{--teal:#008e87;--deep:#073e49;--ink:#223b43;--muted:#607780;--red:#b60923;--cream:#f4f7f6;--border:#dae5e5}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font:16px/1.55 system-ui,-apple-system,"Segoe UI",Arial,sans-serif;background:#fff}a{color:inherit}a:hover{color:var(--teal)}.top{background:#fff;border-bottom:1px solid var(--border)}.head{max-width:1180px;margin:auto;padding:19px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px}.logo{text-decoration:none;display:flex;align-items:center;gap:12px;font-weight:800;font-size:24px;color:var(--deep)}.mark{width:43px;height:43px;border-radius:11px;background:var(--teal);display:grid;place-items:center;color:white;font-size:21px}.tag{font-size:12px;color:var(--muted);font-weight:400}.head-note{text-align:right;font-size:13px;color:var(--muted)}nav{background:#a20b24;color:white}.menu{max-width:1180px;margin:auto;padding:0 12px;display:flex;flex-wrap:wrap}.menu a{display:block;padding:14px 20px;color:#fff;text-decoration:none;font-weight:650}.menu a:hover,.menu a.active{background:#73081b;color:#fff}.container{max-width:1180px;margin:auto;padding:0 20px}.hero{background:linear-gradient(115deg,#057f7c 0%,#065d67 63%,#063c52 100%);color:white}.hero-in{min-height:340px;display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:25px;padding-top:47px;padding-bottom:47px}.eyebrow{letter-spacing:.14em;text-transform:uppercase;font-size:12px;font-weight:750;opacity:.84}h1{font-size:clamp(30px,4vw,47px);line-height:1.14;margin:13px 0}h2{font-size:29px;line-height:1.2;margin:0 0 16px;color:var(--deep)}h3{font-size:19px;margin:12px 0 8px}.hero p{max-width:570px;color:#e5faf8;font-size:17px}.btn{display:inline-flex;align-items:center;gap:8px;background:var(--red);color:white;border:0;border-radius:6px;text-decoration:none;padding:13px 20px;font-weight:700;cursor:pointer}.btn:hover{background:#8b081c;color:white}.btn.alt{background:white;color:var(--deep)}.hero-art{min-height:225px;display:grid;place-items:center}.circuit{width:285px;height:214px;border:2px solid #9becdf;border-radius:16px;background:linear-gradient(160deg,#0b8c88,#043f4f);box-shadow:0 22px 45px #003e455e;position:relative;transform:rotate(-4deg)}.circuit::before{content:"";position:absolute;inset:25px 43px;background:#082d3f;border:2px solid #b0f1e1;border-radius:8px}.circuit::after{content:"24.0  °C";position:absolute;top:74px;left:70px;font:700 31px monospace;color:#b6ffb1}.pin{position:absolute;bottom:32px;width:13px;height:13px;border:2px solid #bef6df;border-radius:50%}.pin:nth-child(1){left:85px}.pin:nth-child(2){left:119px}.pin:nth-child(3){left:153px}.section{padding:48px 0}.section.soft{background:var(--cream)}.lead{color:var(--muted);max-width:740px;margin-top:-6px}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:26px}.card{border:1px solid var(--border);border-radius:9px;background:white;padding:22px;min-height:165px;text-decoration:none;display:flex;flex-direction:column;justify-content:space-between;transition:.15s}.card:hover{border-color:var(--teal);box-shadow:0 8px 24px #073e4914;transform:translateY(-2px);color:var(--ink)}.symbol{font-size:35px;color:var(--teal)}.item{border:1px solid var(--border);border-radius:9px;background:white;overflow:hidden}.item-illustration{height:146px;background:linear-gradient(145deg,#dbeae8,#f4f8f7);display:grid;place-items:center;position:relative}.unit{width:100px;height:92px;border:8px solid #344c55;background:#9cbbbd;border-radius:6px;box-shadow:12px 8px 0 #637c82;display:grid;place-items:center;color:#073e49;font:700 18px monospace}.unit:before{content:'';position:absolute;transform:translate(0,32px);background:#ebfffa;width:40px;height:7px;border-radius:8px}.item-info{padding:17px}.item-info a{text-decoration:none;color:var(--deep)}.item-info p{color:var(--muted);font-size:14px}.pill{font-size:11px;color:var(--teal);font-weight:800;text-transform:uppercase;letter-spacing:.07em}.search-wrap{display:flex;align-items:center;gap:10px;max-width:740px;margin:22px 0}.search-wrap input{flex:1;min-width:0;padding:13px 15px;border:1px solid #aec6c4;border-radius:6px;font:inherit}.search-wrap button{font:inherit}.bread{padding:24px 0;color:var(--muted);font-size:13px}.bread a{color:var(--muted)}.page-title{padding-bottom:20px;border-bottom:2px solid var(--teal)}.bodygrid{display:grid;grid-template-columns:240px 1fr;gap:32px;margin-top:24px}.side{border:1px solid var(--border);border-radius:8px;padding:14px;align-self:start}.side a{display:block;padding:10px 8px;text-decoration:none;border-radius:4px;font-size:14px}.side a:hover{background:#e9f4f2}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.detail{display:grid;grid-template-columns:1fr 1.3fr;gap:32px;margin:30px 0}.detail .item-illustration{height:330px;border-radius:8px}.spec{border-collapse:collapse;width:100%;max-width:650px}.spec td{border-bottom:1px solid var(--border);padding:12px 0}.spec td:first-child{color:var(--muted);width:40%}.notice{background:#edf6f5;border-left:4px solid var(--teal);padding:16px 20px;margin:24px 0}.foot{margin-top:60px;background:#123e49;color:#d9eff0;padding:38px 0}.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:22px}.foot a{display:block;color:#d9eff0;text-decoration:none;margin:4px 0}.foot small{color:#a5c5c8}.muted{color:var(--muted)}.empty{padding:28px;border:1px dashed var(--border);border-radius:8px;display:none}.hide{display:none!important}@media(max-width:800px){.cards{grid-template-columns:repeat(2,1fr)}.product-grid{grid-template-columns:repeat(2,1fr)}.hero-in,.detail{grid-template-columns:1fr}.hero-art{display:none}.bodygrid{grid-template-columns:1fr}.side{display:flex;flex-wrap:wrap}.side a{padding:8px}.head-note{display:none}.foot-grid{grid-template-columns:1fr 1fr}}@media(max-width:510px){.cards,.product-grid,.foot-grid{grid-template-columns:1fr}.head{padding:13px}.menu a{padding:11px}.section{padding:30px 0}h2{font-size:24px}}

/* Language navigation */
.lang-switch{display:flex;align-items:center;gap:5px;margin-left:auto;white-space:nowrap}
.lang-switch a{display:inline-flex;align-items:center;justify-content:center;border:1px solid #aed1cf;border-radius:5px;padding:7px 10px;color:#006a64;font-weight:700;text-decoration:none;font-size:13px;background:#fff}
.lang-switch a.chosen{color:#fff;background:#008e87;border-color:#008e87}
@media(max-width:740px){.head{flex-wrap:wrap}.lang-switch{margin-left:0}}