.dahua-product-hero{background:linear-gradient(135deg,#101820 0%,#342126 58%,#b51d2b 140%);color:#fff;padding:64px 0 48px}
.dahua-breadcrumbs{display:flex;gap:8px;flex-wrap:wrap;align-items:center;font-size:14px;margin-bottom:20px;color:#dbe4ec}
.dahua-breadcrumbs a{color:#fff;text-decoration:none}
.dahua-breadcrumbs span[aria-hidden="true"]{opacity:.65}
.dahua-product-hero h1{font-size:clamp(30px,4.2vw,48px);line-height:1.28;margin:8px 0 14px;font-weight:900;max-width:1000px}
.dahua-product-hero p{max-width:880px;color:#e5edf4;line-height:1.9;margin:0}
.dahua-model-chip{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:7px 13px;font-weight:800}
.dahua-hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.dahua-hero-actions .btn-outline{border-color:rgba(255,255,255,.7);color:#fff}
.dahua-product-section{padding:54px 0;background:#f7f9fc}
.dahua-product-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(280px,.65fr);gap:24px;align-items:start}
.dahua-product-box{background:#fff;border:1px solid #e1e8f0;border-radius:24px;padding:26px;box-shadow:0 14px 36px rgba(15,23,42,.07)}
.dahua-product-visual{background:#fff;border:1px solid #e5eaf0;border-radius:20px;min-height:420px;display:grid;place-items:center;padding:24px;margin:0 0 26px;overflow:hidden}
.dahua-product-visual img{display:block;width:100%;height:420px;object-fit:contain;background:#fff}
.dahua-product-box h2,.dahua-product-box h3{color:#101820}
.dahua-product-box h2{font-size:29px;margin:0 0 12px}
.dahua-product-box h3{font-size:22px;margin:30px 0 14px}
.dahua-product-box p{line-height:1.9;color:#475569}
.dahua-trust-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:22px 0}
.dahua-trust-strip div{background:#f7f9fb;border:1px solid #e3e8ef;border-radius:14px;padding:12px;text-align:center;font-weight:800;color:#263544}
.dahua-feature-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.dahua-feature-list li{position:relative;padding-inline-start:28px;color:#334155;line-height:1.75}
.dahua-feature-list li::before{content:"✓";position:absolute;inset-inline-start:0;color:#b51d2b;font-weight:900}
.dahua-spec-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.dahua-spec{background:#f8fafc;border:1px solid #e4e9ef;border-radius:15px;padding:14px}
.dahua-spec b{display:block;color:#101820;margin-bottom:5px}
.dahua-spec span{color:#475569;line-height:1.65}
.dahua-side{position:sticky;top:20px;display:grid;gap:16px}
.dahua-side-card{background:#fff;border:1px solid #e1e8f0;border-radius:22px;padding:22px;box-shadow:0 12px 30px rgba(15,23,42,.06)}
.dahua-side-card h2{font-size:21px;margin:0 0 10px;color:#101820}
.dahua-side-card p{color:#5b6775;line-height:1.8;margin:0}
.dahua-side-card a{display:block;text-align:center;text-decoration:none;border-radius:999px;padding:12px 16px;font-weight:900;margin-top:11px}
.dahua-side-card .wa{background:#22c55e;color:#fff}
.dahua-side-card .quote{background:#101820;color:#fff}
.dahua-review-note{background:#fff8e8;border:1px solid #f5d992;color:#664d16;border-radius:16px;padding:15px;line-height:1.8;margin-top:18px}
.dahua-related{padding:54px 0;background:#fff}
.dahua-related-head{text-align:center;max-width:760px;margin:0 auto 26px}
.dahua-related-head h2{font-size:30px;margin:8px 0;color:#101820}
.dahua-related-head p{color:#64748b;line-height:1.8}
.dahua-related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.dahua-related-card{display:block;text-decoration:none;color:#101820;border:1px solid #e1e8f0;border-radius:20px;padding:18px;background:#fff;box-shadow:0 10px 26px rgba(15,23,42,.05);transition:.2s}
.dahua-related-card:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(15,23,42,.1)}
.dahua-related-card img{width:100%;height:190px;object-fit:contain;background:#fff;border-radius:14px}
.dahua-related-card small{display:inline-block;color:#b51d2b;font-weight:900;margin-top:12px}
.dahua-related-card h3{font-size:18px;line-height:1.55;margin:7px 0}
.dahua-related-card p{font-size:14px;line-height:1.7;color:#64748b;margin:0}
.dahua-faq{padding:54px 0;background:#f7f9fc}
.dahua-faq .container{max-width:940px}
.dahua-faq h2{text-align:center;font-size:30px;color:#101820;margin:0 0 24px}
.dahua-faq details{background:#fff;border:1px solid #e1e8f0;border-radius:16px;padding:16px 18px;margin:10px 0}
.dahua-faq summary{cursor:pointer;font-weight:900;color:#101820}
.dahua-faq p{color:#556273;line-height:1.8;margin:12px 0 0}
.dahua-index-block{margin:36px 0 46px}
.dahua-index-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.dahua-index-card{display:block;text-decoration:none;color:#101820;border:1px solid #e1e8f0;border-radius:20px;padding:18px;background:#fff;box-shadow:0 10px 26px rgba(15,23,42,.05)}
.dahua-index-card img{width:100%;height:200px;object-fit:contain;background:#fff;border-radius:14px;margin-bottom:12px}
.dahua-index-card .tag{display:inline-flex;background:#fff0f1;color:#a51422;border-radius:999px;padding:6px 11px;font-weight:900;font-size:13px}
.dahua-index-card h3{font-size:19px;line-height:1.55;margin:10px 0 7px}
.dahua-index-card p{color:#64748b;line-height:1.7;margin:0}
body.en .dahua-product-box,body.en .dahua-side-card,body.en .dahua-related-card,body.en .dahua-index-card{text-align:left}
@media(max-width:900px){.dahua-product-layout{grid-template-columns:1fr}.dahua-side{position:static}.dahua-related-grid,.dahua-index-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.dahua-product-hero{padding:44px 0 38px}.dahua-product-section,.dahua-related,.dahua-faq{padding:38px 0}.dahua-product-box{padding:17px;border-radius:18px}.dahua-product-visual{min-height:300px;padding:12px}.dahua-product-visual img{height:300px}.dahua-spec-grid,.dahua-trust-strip,.dahua-related-grid,.dahua-index-grid{grid-template-columns:1fr}.dahua-related-card img,.dahua-index-card img{height:180px}}