:root{
  --bg:#07111d; --panel:#0d1a2a; --panel2:#122239; --text:#edf7ff;
  --muted:#9fb4c8; --brand:#50e3a4; --brand2:#58a6ff; --line:#23364d;
  --warm:#ffc857; --shadow:0 18px 55px rgba(0,0,0,.25); --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:linear-gradient(180deg,#07111d 0%,#091522 45%,#07111d 100%);color:var(--text)}
a{color:inherit;text-decoration:none}
.wrap{width:min(1180px,92%);margin:auto}
header{position:sticky;top:0;z-index:20;background:rgba(7,17,29,.94);border-bottom:1px solid rgba(255,255,255,.06)}
nav{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.logo{font-weight:900;font-size:1.3rem;display:flex;align-items:center;gap:10px}
.logo img{width:140px;height:38px}
.navlinks{display:flex;gap:22px;color:#cfe0ef;font-size:.94rem;flex-wrap:wrap}
.navlinks a:hover{color:white}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:13px;padding:12px 18px;font-weight:800;border:1px solid transparent;cursor:pointer;transition:.2s}
.btn-primary{background:linear-gradient(135deg,var(--brand),#7cf5c0);color:#062016}
.btn-secondary{border-color:#2c435c;background:#0e1b2c;color:#eaf5ff}
.btn:hover{transform:translateY(-1px);filter:brightness(1.05)}
.hero{padding:80px 0 58px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.eyebrow{display:inline-flex;padding:7px 11px;border:1px solid #24415a;border-radius:999px;color:#b8d3e8;background:#0d1c2e;font-weight:700;font-size:.84rem}
h1{font-size:clamp(2.5rem,5vw,4.8rem);line-height:1;letter-spacing:-.045em;margin:20px 0}
h2{font-size:clamp(2rem,3.6vw,3rem);letter-spacing:-.03em}
.gradient{background:linear-gradient(90deg,#fff,#8ef0c5,#76b9ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p,.lead{color:var(--muted);font-size:1.05rem;line-height:1.7}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-art{min-height:330px;background:linear-gradient(145deg,#0f2033,#0b1726);border:1px solid #243b54;border-radius:28px;box-shadow:var(--shadow);display:grid;place-items:center;padding:24px}
.hero-art img{width:min(390px,90%);max-height:290px;object-fit:contain}
section{padding:65px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{margin:0}
.section-head p{max-width:650px;color:var(--muted);line-height:1.6;margin:8px 0 0}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.product{background:linear-gradient(150deg,#0d1b2b,#0a1624);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.product-media{height:205px;background:radial-gradient(circle at 70% 25%,rgba(88,166,255,.22),transparent 30%),linear-gradient(145deg,#14283b,#0b1724);display:grid;place-items:center;position:relative}
.product-media img{max-width:80%;max-height:155px}
.badge{position:absolute;top:14px;left:14px;padding:7px 9px;border-radius:9px;font-weight:900;font-size:.76rem;background:#dffbef;color:#0a3926}
.product-body{padding:22px;display:flex;flex-direction:column;flex:1}
.brand{color:#7fc5ff;font-size:.77rem;font-weight:900;text-transform:uppercase;letter-spacing:.08em}
.product h3{font-size:1.23rem;margin:7px 0 8px}
.desc{color:var(--muted);font-size:.92rem;line-height:1.55;min-height:70px}
.specs{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:18px 0}
.spec{background:#0a1522;border:1px solid #20364b;border-radius:10px;padding:10px}
.spec span{display:block;color:#89a5bb;font-size:.68rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:4px}
.spec b{font-size:.88rem}
.bestfor{font-size:.83rem;color:#bdd1e4;margin-bottom:16px}.bestfor b{color:var(--warm)}
.product-actions{display:flex;gap:9px;margin-top:auto}
.product-actions .btn{flex:1;padding:10px 12px;font-size:.85rem}
.category-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.category-card{padding:25px;border-radius:22px;background:#0c1928;border:1px solid #223950}
.category-card img{width:80px;height:80px;object-fit:contain}
.category-card p{color:var(--muted);line-height:1.6}
.compare{background:#0c1928;border:1px solid #223950;border-radius:26px;padding:25px}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;min-width:760px}
th,td{padding:14px 12px;border-bottom:1px solid #20344a;text-align:left;font-size:.88rem}
th{color:#8faac0;font-size:.76rem;text-transform:uppercase}
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.guide{padding:24px;border:1px solid #223950;border-radius:20px;background:#0c1928}
.guide .num{font-size:2rem;font-weight:950;color:#66e8ae}
.guide p{color:var(--muted);line-height:1.6;font-size:.92rem}
.page-hero{padding:62px 0 35px}
.page-hero h1{font-size:clamp(2.4rem,5vw,4rem)}
.notice{padding:16px 18px;border:1px solid #2c4156;border-radius:14px;background:#0b1724;color:#b8ccdc;line-height:1.55}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.contact-card{padding:26px;border-radius:22px;border:1px solid #223950;background:#0c1928}
.contact-card label{display:block;margin:14px 0 6px;font-weight:700}
.contact-card input,.contact-card textarea{width:100%;background:#07111d;border:1px solid #2b4258;border-radius:10px;color:white;padding:12px;font:inherit}
.contact-card textarea{min-height:130px}
footer{padding:36px 0 48px;border-top:1px solid #1c3045;color:#8fa8bd;font-size:.86rem}
.footer-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr;gap:30px;margin-bottom:30px}
.footer-grid h4{color:#eaf5ff}.footer-grid a{display:block;margin:9px 0;color:#a9bfd0}
.disclosure{padding:15px;border:1px solid #2c4156;border-radius:14px;background:#0b1724;line-height:1.55}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}.grid,.guide-grid,.category-cards{grid-template-columns:1fr 1fr}.navlinks{display:none}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.grid,.guide-grid,.category-cards,.footer-grid,.contact-grid{grid-template-columns:1fr}.section-head{align-items:flex-start;flex-direction:column}.product-actions,.hero-actions{flex-direction:column}.btn{width:100%}}