.usage-intro{max-width:820px}.usage-intro h1{font-size:clamp(28px,4vw,44px);line-height:1.2}.usage-intro .intro{font-size:18px}
.usage-links{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0}.usage-links a{padding:10px 14px;border:1.5px solid #7fa9a4;border-radius:12px;background:#e9f4f0;color:#195d58;font-weight:800;text-decoration:none;min-height:44px}
.usage-sections{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.usage-sections>section{min-width:0;padding:24px;border:2px solid #8aa8b5;border-radius:20px;background:#fff;scroll-margin-top:100px;color:#203e4d}
.usage-sections h2{margin:12px 0;font-size:24px;line-height:1.35;color:#195d58}.usage-sections h3{font-size:19px}.usage-sections p,.usage-sections li{font-size:16px;line-height:1.8}.usage-sections p{margin:12px 0}.usage-sections ol{padding-left:22px}.usage-sections li+li{margin-top:8px}.usage-number{display:grid;place-items:center;width:42px;height:42px;border-radius:13px;background:#e4f1ec;color:#196c68;font-size:22px;font-weight:900}
.usage-sections a{font-weight:800;color:#196c68;text-underline-offset:3px}.usage-sections details{border-top:1px solid #c4d5dc;padding:12px 0}.usage-sections summary{cursor:pointer;font-weight:800;min-height:44px;padding:10px 0}.usage-devices{display:grid;gap:18px}.usage-sections [role=status]:empty{display:none}
@media(max-width:1000px){.usage-sections{grid-template-columns:minmax(0,1fr)}}
@media(max-width:540px){.usage-sections>section{padding:18px}.usage-links{gap:8px}.usage-links a{font-size:14px}.usage-sections h2{font-size:22px}.usage-guide .button{white-space:normal}}
@media print{.usage-links,[data-reset-contents]{display:none}.usage-sections{display:block}.usage-sections>section{break-inside:avoid;margin-bottom:16px}}

.usage-demo{padding:24px;border:2px solid #65a59b;border-radius:22px;background:#f0faf6;margin:24px 0}.usage-demo svg{width:100%;height:auto;max-width:600px;display:block;margin:16px auto}.usage-demo #guide-demo-options{margin:14px 0}.usage-demo #guide-demo-status{min-height:2em;color:#196c68;font-weight:700}