.usage-section{margin:64px 0}
.usage-chains{color:var(--muted,#929ba5);font-size:14px;line-height:1.9;margin:18px 0 24px}
.usage-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.usage-card{display:flex;flex-direction:column;border:1px solid rgba(161,184,176,.23);border-radius:20px;padding:32px;background:rgba(255,255,255,.025);min-width:0}
.usage-card h3{font-size:26px;margin:12px 0 14px}
.usage-intro{color:var(--muted,#929ba5);font-size:15px;line-height:1.9;margin:0 0 8px}
.usage-card h4{font-size:15px;margin:20px 0 12px}
.usage-card ul{list-style:none;padding:0;margin:0 0 8px}
.usage-card li{position:relative;padding-left:19px;margin:10px 0;font-size:15px;line-height:1.7}
.usage-card li:before{content:'✓';position:absolute;left:0;color:#78d8aa;font-size:13px}
.usage-experience{color:var(--muted,#929ba5);font-size:14px;line-height:1.9;border-top:1px solid rgba(161,184,176,.16);padding-top:20px;margin:22px 0}
.usage-action{margin-top:auto;align-self:flex-start}
.usage-card ul:last-of-type{margin-bottom:28px}
.usage-notice{font-size:13px;line-height:1.9;color:var(--muted,#929ba5);margin:18px 0 0}
@media(max-width:720px){.usage-section{margin:40px 0}.usage-grid{grid-template-columns:1fr;gap:18px}.usage-card{padding:24px}.usage-card h3{font-size:23px}}