.demo-sender{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 28px;background:#06131f;border-bottom:1px solid #244157;color:#abc2d2;font:12px/1.5 Arial,sans-serif}.demo-sender a{color:#eef7ff;font-size:14px;font-weight:700;text-decoration:none}.demo-sender a:hover{text-decoration:underline}.demo-info{min-height:calc(100dvh - 50px);background:#06131f;color:#edf6ff;padding:clamp(48px,9vw,120px) max(24px,calc((100vw - 1000px)/2));font-family:Arial,sans-serif}.demo-info small{color:#81c6fa;letter-spacing:.14em}.demo-info h1{font-size:clamp(30px,4vw,52px);line-height:1.12;max-width:700px;margin:22px 0}.demo-info p{color:#abc2d2;line-height:1.75;max-width:680px}.demo-info a{display:inline-block;margin-top:20px;color:#81c6fa}@media(max-width:600px){.demo-sender{padding:12px 16px;display:block}.demo-sender span{display:block;font-size:10px;margin-top:3px}}