@font-face{font-family:"Figtree";src:url("../fonts/figtree.woff") format("woff");font-weight:100 900;font-style:normal;font-display:swap}
:root{
  --bg:#f3f5f8;--bg-2:#e6ebf1;--ink:#14181f;--muted:#566070;--line:#d3dae4;--card:#fff;
  --slate:#1f2f44;--slate-2:#142133;--coral:#c8374f;--coral-2:#a32840;--ice:#eef2f7;
  --max:1180px;--radius:10px;
  --font:"Figtree","Segoe UI","Noto Sans CJK SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.6;font-weight:430}
img{max-width:100%;height:auto;display:block}
figure{margin:0}
a{color:var(--coral-2);text-underline-offset:3px}
a:hover{color:var(--slate)}
h1,h2,h3{font-weight:700;letter-spacing:-.025em;line-height:1.15;margin:0 0 .55em;color:var(--slate-2)}
h1{font-size:clamp(2rem,4.2vw,3.2rem);font-weight:800}
h2{font-size:clamp(1.5rem,2.6vw,2.1rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em}
.muted{color:var(--muted)}
.kicker{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--coral-2);margin:0 0 .7em}
.wrap{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
.skip{position:absolute;left:-999px;top:8px;background:#fff;color:var(--ink);padding:8px 12px;z-index:80}.skip:focus{left:16px}
.site-header{background:var(--slate-2);color:#eef2f7;position:sticky;top:0;z-index:40}
.site-header .bar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;padding:4px 0}
.wordmark{color:#fff;text-decoration:none;font-size:1.12rem;font-weight:750;letter-spacing:-.02em;line-height:1.15}
.wordmark span{display:block;font-size:10px;font-weight:650;letter-spacing:.16em;text-transform:uppercase;color:#9fb0c6;margin-top:2px}
.site-header nav{display:flex;align-items:center;gap:4px 16px;flex-wrap:wrap}
.site-header nav a{color:#eef2f7;text-decoration:none;font-size:14px;font-weight:560;opacity:.9}
.site-header nav a:hover,.site-header nav a[aria-current="page"]{opacity:1;color:#fff}
.site-header nav a[aria-current="page"]{box-shadow:0 2px 0 var(--coral)}
.site-header .lang{opacity:.75;border-left:1px solid rgba(255,255,255,.22);padding-left:14px;margin-left:4px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;border-radius:999px;font:inherit;font-size:14px;font-weight:700;text-decoration:none;border:1px solid transparent;cursor:pointer;line-height:1.2}
.site-header nav a.btn-light{background:#fff;color:var(--slate-2);opacity:1}
.btn-wa{background:var(--coral);color:#fff}.btn-wa:hover{background:var(--coral-2);color:#fff}
.btn-ghost{background:#fff;color:var(--slate-2);border-color:var(--line)}.btn-ghost:hover{border-color:var(--slate);color:var(--slate-2)}
.nav-toggle{display:none;background:transparent;border:1px solid rgba(255,255,255,.35);color:#fff;padding:8px 12px;border-radius:999px;font:inherit;font-size:13px}
.oem-badge{position:fixed;top:0;left:0;z-index:60;background:var(--coral);color:#fff;text-decoration:none;font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;padding:8px 36px 8px 18px;transform:rotate(-45deg) translate(-28px,18px);transform-origin:left top;box-shadow:0 4px 12px rgba(20,33,51,.25);line-height:1.2;width:160px;text-align:center}
.oem-badge:hover{background:var(--coral-2);color:#fff}
.hero{padding:28px 0 10px}
.hero h1{font-size:clamp(1.7rem,3.4vw,2.7rem);margin-bottom:.35em;max-width:48rem}
.hero .lead{font-size:1.08rem;color:var(--muted);max-width:46rem;margin:0}
.board{padding:22px 0 10px}
.board-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:14px;flex-wrap:wrap}
.board-head h2{margin:0}.board-head p{margin:0;color:var(--muted);font-size:15px}
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.tile{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;color:inherit;overflow:hidden;transition:border-color .15s,transform .15s,box-shadow .15s}
.tile:hover{border-color:var(--slate);color:inherit;transform:translateY(-2px);box-shadow:0 10px 24px rgba(20,33,51,.1)}
.tile .visual{background:linear-gradient(180deg,#eaf0f7,#f8fafc);aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;overflow:hidden}
.tile .visual img{width:100%;height:100%;object-fit:contain;object-position:center}
.tile .caption{padding:12px 14px 16px;border-top:1px solid var(--line)}
.tile .caption strong{display:block;font-size:16px;font-weight:700;color:var(--slate-2)}
.tile .caption span{display:block;font-size:13.5px;color:var(--muted);margin-top:3px}
.tile .caption .from{color:var(--coral-2);font-weight:700;margin-top:6px}
.tile.typo .visual{background:var(--slate);align-items:center;justify-content:center}
.tile.typo .nm{font-size:clamp(1.15rem,2.2vw,1.45rem);font-weight:800;letter-spacing:-.03em;line-height:1.2;color:#fff;text-align:center;padding:16px}
.tile.typo .nm small{display:block;font-size:.48em;letter-spacing:.12em;text-transform:uppercase;opacity:.75;margin-top:.55em;font-weight:700}
.tile.typo.alt .visual{background:#5a2433}
.prose{padding:34px 0 12px}
.crumbs{padding:18px 0 0;font-size:13px;color:var(--muted)}.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{color:var(--coral-2)}
.crumbs ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px}.crumbs li:not(:last-child)::after{content:"/";margin-left:6px;opacity:.6}
.page-hero{padding:16px 0 6px}.page-hero .lead{font-size:1.1rem;color:var(--muted);max-width:46rem}
.cta-row{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 8px}
.mhero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:36px;align-items:center;padding:14px 0 26px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 0;padding:0;list-style:none}
.chips li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:14px;font-weight:600;color:var(--slate)}
.chips li.price{background:var(--slate-2);color:#fff;border-color:var(--slate-2)}
.stage{background:linear-gradient(180deg,#e9eff6,#f9fbfd);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.stage img{width:100%;max-height:640px;object-fit:contain}
.section{padding:34px 0}
.section.alt{background:#fff;border-block:1px solid var(--line)}
.section h2{max-width:44rem}
.section .lead{color:var(--muted);max-width:44rem}
.price-tag{display:inline-flex;align-items:baseline;gap:8px;background:var(--slate-2);color:#fff;border-radius:12px;padding:10px 18px;margin:8px 0 4px}
.price-tag .amt{font-size:28px;font-weight:800;letter-spacing:-.03em}
.price-tag .unit{font-size:14px;opacity:.85}
.notice{border:1px solid #e3c9a8;background:#fff8ee;color:#5a3b16;border-radius:12px;padding:12px 16px;font-size:15px;margin:16px 0 0}
.notice strong{color:#3d240c}
.more-res{margin:18px 0 0;padding:14px 16px;background:var(--ice);border:1px solid var(--line);border-radius:12px;font-size:15px}
.more-res a{font-weight:700}
.features{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:8px 0 0;padding:0;list-style:none}
.features li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.features li strong{display:block;color:var(--slate-2);margin-bottom:4px}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:#fff;margin:10px 0 14px}
table.data{width:100%;border-collapse:collapse;font-size:15px;min-width:480px}
table.data th,table.data td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);vertical-align:top}
table.data thead th{background:var(--slate-2);color:#fff;font-size:12px;letter-spacing:.08em;text-transform:uppercase;font-weight:700;border:0}
table.data tbody tr:nth-child(even){background:#f7f9fc}table.data tbody tr:last-child td{border-bottom:0}
table.data td.sku{font-weight:700;color:var(--slate-2)}
.faq{padding:14px 0 36px}
.faq details{border-top:1px solid var(--line);padding:13px 0}.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-weight:700;list-style:none;color:var(--slate-2)}.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+";display:inline-block;width:1.2em;color:var(--coral);font-weight:800}.faq details[open] summary::before{content:"–"}
.faq details p{margin:.6em 0 0}
.product-card{display:grid;grid-template-columns:160px 1fr auto;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;text-decoration:none;color:inherit}
.product-card:hover{border-color:var(--slate);color:inherit;box-shadow:0 8px 20px rgba(20,33,51,.08)}
.product-card img{width:160px;height:160px;object-fit:contain;background:var(--ice);border-radius:10px}
.product-card h3{margin:0 0 6px;font-size:1.15rem}
.product-card .amt{font-size:22px;font-weight:800;color:var(--coral-2);white-space:nowrap}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:12px 0 0}
.steps article{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}
.steps h3{margin:0 0 8px}
.inquire{background:var(--bg-2);border-top:1px solid var(--line);padding:24px 0}
.inquire .row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px}
.inquire h2{font-size:1.4rem;margin:0 0 4px}
.site-footer{background:var(--slate-2);color:#d9e1ec;padding:36px 0 26px;font-size:14px}
.site-footer a{color:#fff}
.site-footer .grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}
.site-footer .foot-title{font-size:1.1rem;font-weight:700;margin:0 0 10px;color:#fff}
.site-footer ul{list-style:none;margin:0;padding:0}.site-footer li{margin:0 0 6px}
.site-footer .fine{opacity:.7;margin-top:26px;border-top:1px solid rgba(255,255,255,.14);padding-top:16px}
@media (max-width:960px){
  .tiles,.steps,.features,.mhero,.site-footer .grid{grid-template-columns:1fr}
  .product-card{grid-template-columns:120px 1fr; }
  .product-card img{width:120px;height:120px}
  .product-card .amt{grid-column:2}
  .oem-badge{font-size:10px;width:148px;padding:7px 30px 7px 14px;transform:rotate(-45deg) translate(-30px,16px)}
}
@media (max-width:720px){
  .wrap{width:min(var(--max),calc(100% - 28px))}
  .nav-toggle{display:inline-flex}
  .site-header nav{display:none;flex-direction:column;align-items:flex-start;width:100%;padding:0 0 16px}
  .site-header.is-open nav{display:flex}
  .site-header .bar{flex-wrap:wrap;padding-top:8px}
  .site-header .lang{border:0;padding:0;margin:0}
  body{font-size:16px}
  .tiles{grid-template-columns:1fr}
}
@media (max-width:420px){.tile .caption strong{font-size:14.5px}}