:root { font-family: system-ui, sans-serif; color: #101828; background: #f5f7fc; color-scheme: light; }
* { box-sizing: border-box; }
body { margin: 0; }
main { max-width: 700px; margin: 0 auto; padding: 40px 24px 120px; }
a { color: #2442c8; text-underline-offset: 3px; }
a:focus-visible, button:focus-visible { outline: 3px solid #2442c8; outline-offset: 4px; }
.back-link { display: inline-block; padding: 10px 0; margin-bottom: 44px; }
.eyebrow { color: #475467; font-size: 14px; font-weight: 600; }
h1 { font-size: clamp(28px, 6vw, 40px); line-height: 1.2; margin: 12px 0 24px; letter-spacing: -1px; }
p { line-height: 1.65; }
.notice { background: #eaf0ff; border-radius: 12px; padding: 18px; font-size: 14px; }
#chat-status { min-height: 28px; color: #475467; font-size: 14px; }
.fallback { margin-top: 30px; padding: 22px; border: 1px solid #d5dcec; border-radius: 16px; background: #fff; }
h2 { font-size: 18px; margin: 0; }
.fallback p { font-size: 14px; color: #475467; }
.contact-options { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.contact-options a { display: inline-flex; align-items: center; min-height: 44px; font-size: 14px; font-weight: 600; }
.privacy-link { display: inline-block; margin-top: 20px; padding: 10px 0; font-size: 14px; }
@media (max-width: 480px) { main { padding-top: 20px; } .back-link { margin-bottom: 24px; } }