.obsidian-wheel-brand .bt__hero{background:linear-gradient(#0c0b0a 0%,#0f0d0c 100%);border-bottom:1px solid #c79a5b1f}.obsidian-wheel-brand .bt__hero:before{background:radial-gradient(60% 80% at 50% 100%,#c79a5b0f 0%,#0000 70%)}.obsidian-wheel-brand .bt__breadcrumb,.obsidian-wheel-brand .bt__breadcrumb a{color:var(--muted-2)}.obsidian-wheel-brand .bt__breadcrumb a:hover{color:var(--gold-bright)}.obsidian-wheel-brand .bt__breadcrumb-sep{color:var(--muted-2)}.obsidian-wheel-brand .bt__brand-kicker{color:var(--gold)}.obsidian-wheel-brand .bt__brand-name{font-family:var(--serif-tc);letter-spacing:.005em;color:var(--gold-bright);font-weight:600}.obsidian-wheel-brand .bt__brand-zh{font-family:var(--serif-tc);color:var(--muted)}.obsidian-wheel-brand .bt__stat-val{color:var(--ink)}.obsidian-wheel-brand .bt__stat-label{color:var(--muted-2)}.obsidian-wheel-brand .bt__section-title{font-family:var(--serif-tc);color:var(--ink);font-weight:600}.obsidian-wheel-brand .bt__section-count{color:var(--muted-2)}.obsidian-wheel-brand .bt__card{background:linear-gradient(#121010 0%,#0f0d0c 100%);border:1px solid #f3efe90f}.obsidian-wheel-brand .bt__card:hover{border-color:#c79a5b47;box-shadow:0 20px 60px -10px #0009,0 0 0 1px #c79a5b1a}.obsidian-wheel-brand .bt__card-img{background:#0c0b0a}.obsidian-wheel-brand .bt__card-img-placeholder{color:#f3efe924}.obsidian-wheel-brand .bt__card-img-overlay{background:linear-gradient(#0000 50%,#121010 100%)}.obsidian-wheel-brand .bt__card-series{color:var(--gold)}.obsidian-wheel-brand .bt__card-model{color:var(--ink)}.obsidian-wheel-brand .bt__card-tag{color:var(--gold-bright);background:#c79a5b14;border:1px solid #c79a5b2e}.obsidian-wheel-brand .bt__card-price-label{color:var(--muted-2)}.obsidian-wheel-brand .bt__card-price-val{color:var(--ink)}.obsidian-wheel-brand .bt__card-price-range{color:var(--muted)}.obsidian-wheel-brand .bt__card-specs{color:var(--muted-2)}.obsidian-wheel-brand .bt__card-cta{color:var(--gold-bright);background:#c79a5b14;border:1px solid #c79a5b47}.obsidian-wheel-brand .bt__card-cta:hover{color:var(--gold-bright);background:#c79a5b29;border-color:#c79a5b73}.obsidian-wheel-brand .bt__guide-inner{background:linear-gradient(#121010 0%,#0f0d0c 100%);border:1px solid #f3efe90f}.obsidian-wheel-brand .bt__guide-title{font-family:var(--serif-tc);color:var(--ink);font-weight:600}.obsidian-wheel-brand .bt__guide-stat{background:#c79a5b0d;border:1px solid #c79a5b1f}.obsidian-wheel-brand .bt__guide-stat-label{color:var(--muted-2)}.obsidian-wheel-brand .bt__guide-stat-val{color:var(--gold-bright)}.obsidian-wheel-brand .bt__guide-stat-val small{color:var(--muted)}.obsidian-wheel-brand .bt__usecases-title{font-family:var(--serif-tc);color:var(--ink);font-weight:600}.obsidian-wheel-brand .bt__usecase-tag{color:var(--gold-bright);background:#c79a5b1a;border:1px solid #c79a5b38}.obsidian-wheel-brand .bt__usecase-tag:hover{background:#c79a5b2e;border-color:#c79a5b6b}.obsidian-wheel-brand .bt__usecase-models{color:var(--muted)}.obsidian-wheel-brand .bt__faq-inner{background:linear-gradient(#121010 0%,#0f0d0c 100%);border:1px solid #f3efe90f}.obsidian-wheel-brand .bt__faq-title{font-family:var(--serif-tc);color:var(--ink);font-weight:600}.obsidian-wheel-brand .bt__faq-item{border-bottom:1px solid #f3efe914}.obsidian-wheel-brand .bt__faq-item:last-child{border-bottom:none}.obsidian-wheel-brand .bt__faq-q{color:var(--ink)}.obsidian-wheel-brand .bt__faq-q:hover{color:var(--gold-bright)}.obsidian-wheel-brand .bt__faq-q:after{color:var(--gold)}.obsidian-wheel-brand .bt__faq-a{color:var(--muted)}