:root{--ink:#16202b;--ink-2:#4b5765;--line:#dfe5ec;--blue:#1d5fd6;--surface:#f4f6f9}
*{box-sizing:border-box;letter-spacing:0}
body{margin:0;font-family:'SF Pro SC','SF Pro Text','PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.65}
a{color:inherit;text-decoration:none}
a:focus-visible{outline:2px solid var(--blue);outline-offset:4px}
a:hover{color:var(--blue)}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.detail-header{border-bottom:1px solid var(--line)}
.detail-nav{min-height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;padding-top:16px;padding-bottom:16px}
.brand-logo{display:block;width:auto;height:44px;max-width:100%}
.nav-links{display:flex;gap:24px;align-items:center;flex-wrap:wrap;font-size:.88rem;font-weight:500}
.breadcrumb{display:flex;flex-wrap:wrap;gap:10px;margin:32px 0;color:var(--ink-2);font-size:.86rem}
.product-overview{padding:0 0 48px}
.eyebrow{margin:0 0 8px;color:var(--blue);font-size:.86rem;font-weight:600}
h1{margin:0 0 16px;font-size:2.8rem;line-height:1.2;overflow-wrap:anywhere}
.product-description{max-width:860px;margin:0 0 32px;color:var(--ink-2);font-size:1.05rem;line-height:1.8}
.product-photo{display:grid;grid-template-columns:repeat(2,minmax(0,320px));justify-content:center;gap:24px;margin:0}
.product-photo.product-photo-single{max-width:420px;margin-inline:auto;grid-template-columns:minmax(0,1fr)}
.product-image-frame{aspect-ratio:1}
.product-image-frame img{display:block;width:100%;height:100%;object-fit:contain}
.product-photo figcaption{margin-top:12px;color:var(--ink-2);font-size:.86rem}
.capabilities{padding:48px 0;background:var(--surface)}
h2{margin:0 0 24px;font-size:1.7rem;line-height:1.3}
.capability-intro{margin:0 0 24px;font-size:1.05rem;font-weight:600}
.capability-description{margin:36px 0 20px;color:var(--ink-2);font-size:1.05rem;line-height:1.8}
.capability-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 40px;margin:0;padding-left:20px;list-style:disc}
.capability-list li{padding-left:2px;color:var(--ink-2);font-size:.96rem}
.capability-list li::marker{color:var(--blue)}
.sensor-tabs{display:flex;gap:24px;margin:0 0 32px;border-bottom:1px solid var(--line)}
.sensor-tab{display:inline-block;border-bottom:3px solid var(--blue);padding:0 4px 12px;color:var(--blue);font-size:1rem;font-weight:600}
.sensor-overview{max-width:900px;color:var(--ink-2);font-size:1rem;line-height:1.8}
.sensor-overview p{margin:0 0 20px}
.sensor-overview p:last-child{margin-bottom:0}
.detail-actions{display:flex;flex-wrap:wrap;gap:16px;padding:40px 0}
.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--blue);border-radius:6px;padding:10px 18px;font-size:.92rem;font-weight:600;line-height:1.4;text-align:center}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:#14479f;color:#fff}
.btn-outline{color:var(--blue)}
.btn-outline:hover{background:#eaf1fc}
.detail-footer{border-top:1px solid var(--line);padding:24px 0;color:var(--ink-2);font-size:.86rem}
@media(max-width:768px){h1{font-size:2.1rem}.detail-nav{gap:16px}.nav-links{gap:16px}.capability-list{grid-template-columns:1fr;gap:24px}}
@media(max-width:700px){.product-photo{grid-template-columns:minmax(0,320px)}}
@media(max-width:520px){.container{padding-left:16px;padding-right:16px}.breadcrumb{margin:24px 0}.product-description{font-size:1rem}.nav-links{font-size:.82rem;gap:12px}.brand-logo{height:36px}.sensor-tabs{gap:16px}.sensor-tab{font-size:.9rem}}