/* RELYON POWER — deep navy + electric orange */
:root{
  --navy-900:#081524; --navy-800:#0A1B2E; --navy-700:#10263C; --navy-600:#17334E;
  --line-dark:#24405C; --orange:#F5871F; --orange-deep:#D96E08;
  --ink:#16232E; --muted:#5A6B7A; --paper:#FFFFFF; --paper-2:#F4F6F8;
  --line:#E3E8ED; --maxw:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Helvetica Neue",Arial,"PingFang SC",sans-serif;color:var(--ink);background:var(--paper);line-height:1.65;font-size:16px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.mono{font-family:Menlo,Consolas,monospace;letter-spacing:.12em}

/* ---------- header ---------- */
.site-head{position:sticky;top:0;z-index:50;background:rgba(8,21,36,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line-dark)}
.head-in{max-width:var(--maxw);margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:36px;height:64px}
.logo{display:flex;align-items:center;gap:12px;color:#fff}
.logo-mark{width:30px;height:30px;border:2px solid var(--orange);display:grid;place-items:center}
.logo-mark::before{content:"";width:12px;height:12px;background:var(--orange);clip-path:polygon(0 0,100% 0,100% 60%,60% 100%,0 100%)}
.logo-name{font-weight:700;font-size:17px;letter-spacing:.14em}
.logo-name span{color:var(--orange)}
.nav{display:flex;gap:26px;margin-left:auto;align-items:center}
.nav a{color:#B9C6D4;font-size:13.5px;letter-spacing:.04em;padding:6px 0;border-bottom:2px solid transparent;transition:.2s}
.nav a:hover{color:#fff}
.nav a.on{color:#fff;border-bottom-color:var(--orange)}
.nav .cta{background:var(--orange);color:#081524;font-weight:600;padding:8px 16px;border-bottom:none;border-radius:2px}
.nav .cta:hover{background:var(--orange-deep);color:#081524}
.menu-btn{display:none;background:none;border:1px solid var(--line-dark);color:#fff;font-size:18px;padding:4px 12px;border-radius:3px}
@media(max-width:920px){
  .menu-btn{display:block;margin-left:auto}
  .nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--navy-800);flex-direction:column;padding:18px 24px;gap:14px;border-bottom:1px solid var(--line-dark)}
  .nav.open{display:flex}
}

/* ---------- hero ---------- */
.hero{position:relative;color:#fff;background:var(--navy-900)}
.hero img{width:100%;height:560px;object-fit:cover;opacity:.85}
.hero .veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(8,21,36,.88) 0%,rgba(8,21,36,.55) 45%,rgba(8,21,36,.15) 100%)}
.hero .hero-in{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center}
.hero h1{font-size:clamp(30px,4.6vw,52px);font-weight:800;line-height:1.15;max-width:640px}
.hero h1 em{font-style:normal;color:var(--orange)}
.hero p.sub{margin-top:16px;max-width:560px;color:#C7D3DE;font-size:17px}
.hero .kicker{display:inline-flex;align-items:center;gap:10px;margin-bottom:18px;font-size:12px;letter-spacing:.22em;color:var(--orange)}
.hero .kicker::before{content:"";width:26px;height:2px;background:var(--orange)}
.hero-btns{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 26px;font-weight:600;font-size:15px;border-radius:2px;transition:.2s}
.btn-o{background:var(--orange);color:#081524}
.btn-o:hover{background:var(--orange-deep)}
.btn-ghost{border:1px solid rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{border-color:#fff}

/* ---------- stats bar ---------- */
.stats{background:var(--navy-800);border-top:1px solid var(--line-dark);color:#fff}
.stats-in{max-width:var(--maxw);margin:0 auto;padding:26px 24px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stats b{display:block;font-size:26px;color:var(--orange);font-weight:800}
.stats span{font-size:12.5px;color:#9FB0C0;letter-spacing:.06em}
@media(max-width:760px){.stats-in{grid-template-columns:repeat(2,1fr)}}

/* ---------- sections ---------- */
section.block{padding:76px 0}
section.block.alt{background:var(--paper-2)}
.sec-kicker{font-size:12px;letter-spacing:.22em;color:var(--orange-deep);display:flex;align-items:center;gap:10px;margin-bottom:14px}
.sec-kicker::before{content:"";width:26px;height:2px;background:var(--orange)}
h2.sec-title{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.25;max-width:720px}
.sec-lead{margin-top:14px;color:var(--muted);max-width:720px}
.dark .sec-kicker{color:var(--orange)}
.dark .sec-lead{color:#B9C6D4}
.dark h2.sec-title{color:#fff}

/* product cards */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:44px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px}
@media(max-width:900px){.grid-2,.grid-3{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.grid-4{grid-template-columns:1fr}}
.pcard{background:#fff;border:1px solid var(--line);border-radius:4px;overflow:hidden;display:flex;flex-direction:column;transition:.25s}
.pcard:hover{box-shadow:0 10px 30px rgba(8,21,36,.12);transform:translateY(-3px)}
.pcard .ph{background:#EDF1F5;aspect-ratio:4/3;display:grid;place-items:center;overflow:hidden}
.pcard .ph img{width:100%;height:100%;object-fit:contain;padding:18px}
.pcard .bd{padding:20px 22px 24px;display:flex;flex-direction:column;gap:8px;flex:1}
.pcard h3{font-size:18px;font-weight:700}
.pcard .tag{font-size:11px;color:var(--orange-deep);letter-spacing:.16em;text-transform:uppercase}
.pcard p{font-size:14px;color:var(--muted);flex:1}
.pcard .more{font-size:13px;color:var(--orange-deep);font-weight:600;margin-top:6px}
.fcard{background:var(--navy-700);border:1px solid var(--line-dark);border-radius:4px;padding:26px}
.fcard h3{color:#fff;font-size:17px;margin-bottom:10px}
.fcard p{font-size:14px;color:#AABBCB}
.fcard .n{font-size:26px;font-weight:800;color:var(--orange)}

/* spec tables */
table.spec{width:100%;border-collapse:collapse;margin-top:36px;background:#fff;font-size:14px}
table.spec th{background:var(--navy-800);color:#fff;text-align:left;padding:12px 14px;font-weight:600;font-size:13px}
table.spec td{border-bottom:1px solid var(--line);padding:11px 14px;color:var(--ink)}
table.spec tr:nth-child(even) td{background:var(--paper-2)}
.tbl-note{font-size:12.5px;color:var(--muted);margin-top:10px}
.tbl-scroll{overflow-x:auto;margin-top:36px}
.tbl-scroll table.spec{margin-top:0;min-width:640px}

/* feature list */
.feat{margin-top:36px;display:grid;grid-template-columns:1fr 1fr;gap:14px 40px}
@media(max-width:760px){.feat{grid-template-columns:1fr}}
.feat li{list-style:none;padding-left:26px;position:relative;font-size:15px;color:#31414F}
.feat li::before{content:"";position:absolute;left:0;top:9px;width:14px;height:2px;background:var(--orange)}

/* dark section */
.dark{background:var(--navy-800);color:#fff}

/* steps */
.steps{counter-reset:st;margin-top:44px;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
@media(max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}
.step{border-top:2px solid var(--orange);padding-top:16px}
.step::before{counter-increment:st;content:"0" counter(st);font-family:Menlo,monospace;font-size:13px;color:var(--orange-deep);display:block;margin-bottom:8px}
.step h3{font-size:16px;margin-bottom:8px}
.step p{font-size:13.5px;color:var(--muted)}

/* cta band */
.cta-band{background:linear-gradient(100deg,var(--navy-800),var(--navy-600));color:#fff;padding:64px 0}
.cta-band h2{font-size:clamp(22px,3vw,32px);font-weight:800}
.cta-band p{color:#B9C6D4;margin-top:10px;max-width:640px}

/* page hero (inner pages) */
.page-hero{background:var(--navy-800);color:#fff;padding:72px 0 64px}
.page-hero h1{font-size:clamp(28px,3.6vw,42px);font-weight:800;line-height:1.2}
.page-hero .kicker{font-size:12px;letter-spacing:.22em;color:var(--orange);margin-bottom:14px;display:flex;gap:10px;align-items:center}
.page-hero .kicker::before{content:"";width:26px;height:2px;background:var(--orange)}
.page-hero p.lead{margin-top:14px;color:#B9C6D4;max-width:720px;font-size:16.5px}

/* product detail layout */
.pd{display:grid;grid-template-columns:5fr 6fr;gap:44px;align-items:start;margin-top:44px}
@media(max-width:900px){.pd{grid-template-columns:1fr}}
.pd .imgbox{background:#fff;border:1px solid var(--line);border-radius:4px;padding:20px}
.pd .imgbox img{width:100%;object-fit:contain}
.pd h2{font-size:20px;margin-bottom:12px}
.kv{display:grid;grid-template-columns:170px 1fr;gap:0;font-size:14.5px;border:1px solid var(--line);border-radius:4px;overflow:hidden;margin-top:16px}
.kv div{padding:10px 14px;border-bottom:1px solid var(--line)}
.kv div:nth-child(4n+1),.kv div:nth-child(4n+2){}
.kv .k{background:var(--paper-2);color:var(--muted);font-size:13px}
.kv .v{background:#fff}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;margin-top:44px}
@media(max-width:860px){.contact-grid{grid-template-columns:1fr}}
.cinfo{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}
.cinfo .ic{width:42px;height:42px;background:var(--navy-800);color:var(--orange);display:grid;place-items:center;font-weight:800;border-radius:3px;flex:none}
.cinfo b{display:block;font-size:15px}
.cinfo span{font-size:14px;color:var(--muted)}
form.inq{display:flex;flex-direction:column;gap:14px}
form.inq label{font-size:13px;color:var(--muted)}
form.inq input,form.inq textarea,form.inq select{border:1px solid var(--line);border-radius:3px;padding:11px 12px;font-size:14.5px;font-family:inherit;width:100%}
form.inq input:focus,form.inq textarea:focus,form.inq select:focus{outline:2px solid var(--orange);border-color:var(--orange)}
form.inq button{background:var(--orange);border:none;color:#081524;font-weight:700;padding:14px;font-size:15px;border-radius:2px;cursor:pointer}
form.inq button:hover{background:var(--orange-deep)}

/* footer */
footer{background:var(--navy-900);color:#8FA1B3;padding:56px 0 34px;font-size:14px}
.foot-in{max-width:var(--maxw);margin:0 auto;padding:0 24px;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px}
@media(max-width:860px){.foot-in{grid-template-columns:1fr 1fr}}
footer h4{color:#fff;font-size:13px;letter-spacing:.14em;margin-bottom:14px}
footer a{display:block;padding:3px 0;color:#8FA1B3}
footer a:hover{color:#fff}
.foot-base{max-width:var(--maxw);margin:34px auto 0;padding:18px 24px 0;border-top:1px solid var(--line-dark);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12.5px;color:#64788C}