.demo-layout{display:grid;grid-template-columns:1fr;gap:32px;align-items:start;padding-top:36px;padding-bottom:72px}.demo-cards{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:stretch}@media (max-width:900px){.demo-cards{grid-template-columns:1fr}}.panel{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);padding:30px 28px}.panel h2{font-size:20px;margin-bottom:6px}.panel>.panel-sub{color:var(--c-text-3);font-size:13px;margin-bottom:22px}.qf{display:grid;gap:8px;margin-bottom:20px}.qf label{font-size:14px;font-weight:600}.qf label em{color:#dc2626;font-style:normal;margin-right:2px}.qf input,.qf select,.qf textarea{font-family:inherit;font-size:15px;padding:12px 15px;min-height:48px;border-radius:var(--r-md);border:1px solid rgba(15,23,42,.16);background:#fff;color:var(--c-text);transition:border-color .2s,box-shadow .2s;width:100%}.qf input:focus,.qf select:focus,.qf textarea:focus{outline:none;border-color:var(--c-brand-2);box-shadow:0 0 0 3px rgba(37,99,235,.12)}.qf textarea{resize:vertical;min-height:110px}.qf .err{color:#dc2626;font-size:12.5px;min-height:0}.qf-row{display:grid;grid-template-columns:1fr 1fr;gap:0 24px}@media (max-width:560px){.qf-row{grid-template-columns:1fr}}.form-note{font-size:12.5px;color:var(--c-text-3);margin-top:4px}.form-done{text-align:center;padding:48px 20px}.form-done .done-icon{width:64px;height:64px;border-radius:50%;margin:0 auto 18px;background:linear-gradient(135deg,var(--c-brand-2),var(--c-cyan));color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 22px -6px rgba(37,99,235,.5)}.form-done h3{font-size:22px;margin-bottom:10px}.form-done p{color:var(--c-text-2);max-width:380px;margin:0 auto 6px}.aside-list{display:flex;flex-direction:column;gap:16px}.aside-item{display:flex;gap:14px;padding:18px 16px;border-radius:var(--r-md);background:var(--c-bg-soft);border:1px solid var(--c-line)}.aside-item .ai{flex-shrink:0;width:40px;height:40px;border-radius:11px;display:flex;align-items:center;justify-content:center;color:var(--c-brand-2);background:rgba(37,99,235,.1)}.aside-item b{display:block;font-size:14.5px;margin-bottom:3px}.aside-item p{margin:0;font-size:13px;color:var(--c-text-2)}