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10%,transparent)}.channel-card--wechat{background:var(--ink);color:var(--on-ink)}.channel-card--wechat h3,.channel-card--wechat .channel-value{color:var(--on-ink)}.channel-card--wechat p{color:color-mix(in srgb,var(--on-ink) 72%,transparent)}.channel-card--wechat .channel-card__index{color:color-mix(in srgb,var(--on-ink) 13%,transparent)}.channel-card--wechat .btn-primary{background:var(--vermilion);color:#fff;border-color:var(--on-ink);box-shadow:5px 5px 0 var(--on-ink)}.channel-value{display:block;font:900 clamp(20px,2.2vw,28px)/1.25 var(--serif);letter-spacing:.04em;color:var(--ink);overflow-wrap:anywhere}.channel-value--email{font-size:clamp(16px,1.55vw,20px);letter-spacing:0}@media(max-width:820px){.channel-grid{grid-template-columns:1fr}.channel-card{min-height:220px}}.demo-banner{background:var(--gold);color:var(--ink);font:600 var(--fs-xs)/1.5 var(--sans);letter-spacing:.1em;text-align:center;padding:8px 16px;border-bottom:2px solid var(--ink)}