.zv3-usage{background:var(--white);padding:90px 0}
.zv3-usage-header{text-align:center;margin-bottom:60px}
.zv3-usage-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}
.zv3-usage-steps{display:flex;flex-direction:column;gap:0}
.zv3-usage-step{display:flex;gap:24px;padding:24px 0;border-bottom:1px solid var(--border)}
.zv3-usage-step:first-child{padding-top:0}
.zv3-usage-step:last-child{border-bottom:none}
.zv3-usage-icon{width:56px;height:56px;background:var(--sage-pale);border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:26px;flex-shrink:0}
.zv3-usage-step h3{font-family:'Inter',sans-serif;font-size:17px;font-weight:700;color:var(--ink);margin-bottom:6px}
.zv3-usage-step p{font-size:14px;color:var(--muted);line-height:1.65;margin:0}
.zv3-usage-panel{background:var(--sage-pale);border-radius:24px;padding:40px}
.zv3-usage-panel-title{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:700;color:var(--ink);margin-bottom:20px}
.zv3-usage-schedule{display:flex;flex-direction:column;gap:12px;margin-bottom:28px}
.zv3-usage-time{display:flex;align-items:center;gap:16px;background:var(--white);border-radius:14px;padding:14px 18px;border:1px solid var(--border)}
.zv3-usage-time-icon{width:38px;height:38px;background:var(--sage);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0}
.zv3-usage-time-txt strong{display:block;font-size:14px;font-weight:700;color:var(--ink);margin-bottom:2px}
.zv3-usage-time-txt span{font-size:13px;color:var(--muted)}
.zv3-usage-tips{border-top:1px solid rgba(59,107,78,0.15);padding-top:20px}
.zv3-usage-tips-title{font-size:12px;font-weight:700;color:var(--sage);letter-spacing:0.05em;text-transform:uppercase;margin-bottom:12px}
.zv3-usage-tips ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.zv3-usage-tips li{display:flex;align-items:flex-start;gap:8px;font-size:13.5px;color:var(--ink);line-height:1.5}
.zv3-usage-tips li::before{content:'💡';flex-shrink:0;font-size:12px}
@media(max-width:900px){
  .zv3-usage{padding:44px 0}
  .zv3-usage-header{margin-bottom:28px}
  .zv3-usage-grid{grid-template-columns:1fr;gap:24px}
  .zv3-usage-step{padding:18px 0;gap:16px}
  .zv3-usage-icon{width:44px;height:44px;font-size:20px}
  .zv3-usage-step h3{font-size:15px}
  .zv3-usage-step p{font-size:13px}
  .zv3-usage-panel{padding:24px}
}