.demo-layout{grid-template-columns:1fr;align-items:start;gap:32px;padding-top:36px;padding-bottom:72px;display:grid}.demo-cards{grid-template-columns:1fr 1fr;align-items:stretch;gap:32px;display:grid}@media (max-width:900px){.demo-cards{grid-template-columns:1fr}}.panel{border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);background:#fff;padding:30px 28px}.panel h2{margin-bottom:6px;font-size:20px}.panel>.panel-sub{color:var(--c-text-3);margin-bottom:22px;font-size:13px}.qf{gap:8px;margin-bottom:20px;display:grid}.qf label{font-size:14px;font-weight:600}.qf label em{color:#dc2626;margin-right:2px;font-style:normal}.qf input,.qf select,.qf textarea{border-radius:var(--r-md);min-height:48px;color:var(--c-text);background:#fff;border:1px solid #0f172a29;width:100%;padding:12px 15px;font-family:inherit;font-size:15px;transition:border-color .2s,box-shadow .2s}.qf input:focus,.qf select:focus,.qf textarea:focus{border-color:var(--c-brand-2);outline:none;box-shadow:0 0 0 3px #2563eb1f}.qf textarea{resize:vertical;min-height:110px}.qf .err{color:#dc2626;min-height:0;font-size:12.5px}.qf-row{grid-template-columns:1fr 1fr;gap:0 24px;display:grid}@media (max-width:560px){.qf-row{grid-template-columns:1fr}}.form-note{color:var(--c-text-3);margin-top:4px;font-size:12.5px}.form-done{text-align:center;padding:48px 20px}.form-done .done-icon{background:linear-gradient(135deg, var(--c-brand-2), var(--c-cyan));color:#fff;border-radius:50%;justify-content:center;align-items:center;width:64px;height:64px;margin:0 auto 18px;display:flex;box-shadow:0 10px 22px -6px #2563eb80}.form-done h3{margin-bottom:10px;font-size:22px}.form-done p{color:var(--c-text-2);max-width:380px;margin:0 auto 6px}.aside-list{flex-direction:column;gap:16px;display:flex}.aside-item{border-radius:var(--r-md);background:var(--c-bg-soft);border:1px solid var(--c-line);gap:14px;padding:18px 16px;display:flex}.aside-item .ai{width:40px;height:40px;color:var(--c-brand-2);background:#2563eb1a;border-radius:11px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.aside-item b{margin-bottom:3px;font-size:14.5px;display:block}.aside-item p{color:var(--c-text-2);margin:0;font-size:13px}