:root{--ink:#1A1D21;--panel:#24282E;--silver:#C9CDD2;--silver-lt:#E8EAED;--bg:#F7F8F9;--accent:#E85D1A;--wa:#25D366;--txt:#111417;--txt-lt:#F2F3F5;--muted:#555B63}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--txt);background:var(--bg);line-height:1.65}
header.site{background:var(--ink);color:var(--txt-lt);position:sticky;top:0;z-index:50}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
.bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0}
.brand{display:flex;align-items:center;color:var(--txt-lt);text-decoration:none;font-weight:700;letter-spacing:1px}
.brand svg{height:34px;width:auto;display:block}
.menu-btn{display:none;background:none;border:1px solid var(--silver);border-radius:8px;color:#fff;font-size:20px;padding:6px 12px;cursor:pointer;line-height:1}
nav ul{list-style:none;display:flex;gap:4px;margin:0;padding:0;flex-wrap:wrap}
nav a{color:var(--txt-lt);text-decoration:none;padding:8px 10px;border-radius:6px;font-size:15px}
nav a:hover,nav a[aria-current]{background:var(--panel)}
main{padding-bottom:40px}
.hero{background:var(--ink);color:var(--txt-lt);padding:48px 0 40px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}
.hero h1{margin:0 0 12px;font-size:clamp(28px,5vw,44px);line-height:1.15}
.hero p.lead{font-size:18px;max-width:640px;color:#D9DDE2}
.hero svg.comp{width:100%;height:auto;display:block}
.btn{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;font-weight:700;padding:12px 22px;border-radius:8px;margin:6px 8px 6px 0;border:0;cursor:pointer;font-size:16px}
.btn:hover{filter:brightness(1.08)} .btn.ghost{background:transparent;border:2px solid var(--silver);color:var(--txt-lt)}
.btn.wa{background:var(--wa);color:#0b2b16}
.btn.mail{background:transparent;border:2px solid var(--silver);color:var(--txt)}
.hero .btn.mail{color:var(--txt-lt)}
section{padding:28px 0} h2{font-size:24px;margin:0 0 12px} h3{font-size:18px;margin:20px 0 8px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}
.card{background:#fff;border:1px solid var(--silver-lt);border-radius:10px;padding:18px;overflow:hidden}
.card svg.cat{width:100%;height:110px;display:block;margin-bottom:10px}
.card h3{margin:8px 0} .card a{color:var(--accent);font-weight:600}
.steps{counter-reset:s;list-style:none;padding:0;display:grid;gap:10px}
.steps li{background:#fff;border:1px solid var(--silver-lt);border-left:4px solid var(--accent);border-radius:8px;padding:12px 16px;display:flex;gap:12px;align-items:flex-start}
.steps li svg{flex:0 0 34px;height:34px}
.tbl{overflow-x:auto;margin:16px 0}
table.spec{width:100%;border-collapse:collapse;background:#fff;font-size:15px;min-width:640px}
table.spec th,table.spec td{border:1px solid var(--silver-lt);padding:10px 12px;text-align:left;vertical-align:top}
table.spec thead th{background:var(--ink);color:#fff}
table.spec th[scope=row]{background:#f1f2f4;width:32%}
.series-grid{display:grid;grid-template-columns:1fr 320px;gap:24px;align-items:start}
.diagram{background:#fff;border:1px solid var(--silver-lt);border-radius:10px;padding:16px}
.diagram svg{width:100%;height:auto;display:block}
.diagram figcaption{font-size:13px;color:var(--muted);margin-top:8px}
form.quote{background:#fff;border:1px solid var(--silver-lt);border-radius:10px;padding:20px;display:grid;gap:12px;max-width:560px}
form.quote label{font-size:14px;font-weight:600;display:grid;gap:6px}
form.quote input,form.quote select{padding:10px;border:1px solid var(--silver);border-radius:6px;font-size:15px;width:100%}
.alt{background:#fff;border-top:1px solid var(--silver-lt);border-bottom:1px solid var(--silver-lt)}
.faq details{background:#fff;border:1px solid var(--silver-lt);border-radius:8px;padding:12px 16px;margin-bottom:10px}
.faq summary{font-weight:700;cursor:pointer}
footer.site{background:var(--ink);color:var(--txt-lt);padding:32px 0}
footer.site a{color:var(--silver)} footer.site .credit{margin-top:16px;font-size:13px;color:var(--silver)}
.wafab{position:fixed;right:16px;bottom:16px;background:var(--wa);color:#0b2b16;font-weight:700;text-decoration:none;padding:14px 18px;border-radius:999px;box-shadow:0 4px 16px rgba(0,0,0,.25);z-index:60}

@media(max-width:900px){.hero-grid{grid-template-columns:1fr}.series-grid{grid-template-columns:1fr}}
@media(max-width:768px){
.menu-btn{display:block}
.wrap{padding:0 20px}
.bar nav{position:absolute;top:100%;left:0;right:0;background:var(--ink);display:none;border-top:1px solid var(--panel)}
.bar nav.open{display:block}
.bar nav ul{flex-direction:column;padding:8px 16px 16px}
.bar nav a{display:block;padding:12px 8px;font-size:16px;border-top:1px solid var(--panel)}
header.site .bar{position:relative}
.hero{padding:32px 0 28px}
}
.glossary{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px;margin:24px 0}
.term{background:#fff;border:1px solid var(--silver-lt);border-radius:8px;padding:14px 16px}
.term dt{font-weight:700;margin-bottom:6px}
.term dd{margin:0;font-size:15px;color:#33383E}
.factory-media{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px;margin:20px 0}
.factory-media figure{margin:0}
.factory-media img,.factory-media video{width:100%;height:auto;border-radius:8px;display:block}
.spec td.draw img{max-width:120px;height:auto;display:block}
@media (max-width:768px){
table.spec{min-width:0}
.spec thead{display:none}
.spec,.spec tbody{display:block}
.spec tr{display:block;border:1px solid var(--silver-lt);border-radius:10px;margin-bottom:14px;padding:10px;background:#fff}
.spec tr::after{content:"";display:table;clear:both}
.spec td{display:flex;gap:10px;align-items:center;border:none;padding:7px 4px;font-size:15px}
.spec td::before{content:attr(data-label);font-weight:700;min-width:118px;flex:none;color:#1A1D21}
.spec td.draw{display:block;float:left;width:110px;padding:4px;margin:0 10px 6px 0}
.spec td.draw::before{display:none}
.spec td.draw img{max-width:110px}
}
/* Claude review patch 2026-10-02: phone model cards + 320px header */
@media (max-width:768px){
table.spec tr{display:grid;grid-template-columns:104px minmax(0,1fr) minmax(0,1fr);column-gap:12px;row-gap:8px;align-items:start;padding:12px}
table.spec tr::after{display:none}
table.spec td{display:block;border:0;padding:0;font-size:15px;line-height:1.35;overflow-wrap:break-word}
table.spec td::before{display:block;min-width:0;font-weight:600;font-size:12px;color:#5B626B;margin-bottom:1px}
table.spec td:nth-child(2),table.spec td:nth-child(3){grid-column:2/-1}
table.spec td.draw{grid-column:1;grid-row:1/span 4;float:none;width:auto;margin:0;padding:0}
table.spec td.draw img{max-width:100%}
}
@media (max-width:360px){
header.site .bar{gap:8px}
header.site .bar>a:first-child{min-width:0;flex:0 1 auto}
header.site .bar>a:first-child svg,header.site .bar>a:first-child img{max-width:100%;height:auto}
}

/* Claude 2026-10-02: QR codes, WeChat button, market regions */
.qr-row{display:flex;flex-wrap:wrap;gap:16px;margin:12px 0 24px}
.qr{margin:0;background:#fff;border:1px solid var(--silver-lt);border-radius:10px;padding:14px;text-align:center;font-size:15px}
.qr img{display:block;width:180px;height:180px;margin:0 auto 8px}
.wcfab{position:fixed;right:16px;bottom:76px;background:#07C160;color:#fff;font-weight:700;font-size:16px;border:0;padding:12px 18px;border-radius:999px;box-shadow:0 4px 16px rgba(0,0,0,.25);z-index:60;cursor:pointer}
#wcdlg{border:0;border-radius:12px;padding:20px;text-align:center;max-width:300px}
#wcdlg::backdrop{background:rgba(0,0,0,.55)}
#wcdlg img{display:block;margin:0 auto 10px;width:220px;height:220px}
.region-nav{margin:0 0 8px;font-weight:600}

/* Claude 2026-10-02: factory gallery + video */
.factory-media{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;margin:16px 0}
.factory-media figure,.factory-video{margin:0}
.factory-media figcaption,.factory-video figcaption{font-size:14px;color:#555B63;margin-top:6px}
.factory-video{margin:16px 0}
.factory-video video{width:100%;max-width:854px;height:auto;border-radius:8px;display:block;background:#000}