:root { color-scheme: light; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: var(--tg-theme-bg-color, #f8fafc); color: var(--tg-theme-text-color, #172338); }
* { box-sizing: border-box; }
body { margin: 0; }
main { max-width: 520px; margin: auto; padding: 30px 24px max(24px, env(safe-area-inset-bottom)); }
header { display: flex; align-items: center; gap: 10px; font-size: 16px; font-weight: 700; }
.mark { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 11px; color: white; background: #1767ed; font-size: 15px; }
.eyebrow { margin: 48px 0 14px; color: var(--tg-theme-hint-color, #62728b); font-size: 11px; font-weight: 700; letter-spacing: 1.7px; }
h1 { margin: 0; font-size: clamp(38px, 10vw, 52px); line-height: 1.07; letter-spacing: -2px; }
.intro { color: var(--tg-theme-hint-color, #62728b); font-size: 17px; line-height: 1.6; max-width: 350px; }
.formats { display: flex; gap: 10px; margin: 24px 0 30px; }
.formats span { border: 1px solid #8795aa55; padding: 8px 14px; border-radius: 24px; font-size: 13px; }
.notice { background: var(--tg-theme-secondary-bg-color, #edf2fa); border-radius: 20px; padding: 24px; }
.badge { color: var(--tg-theme-link-color, #175bd1); font-size: 12px; font-weight: 700; }
h2 { font-size: 20px; margin: 12px 0; letter-spacing: -.4px; }
.notice p { color: var(--tg-theme-hint-color, #52627c); font-size: 14px; line-height: 1.65; margin: 0; }
.button { margin-top: 24px; min-height: 52px; display: flex; align-items: center; justify-content: space-between; padding: 15px 20px; border-radius: 14px; background: var(--tg-theme-button-color, #1767ed); color: var(--tg-theme-button-text-color, white); text-decoration: none; font-size: 16px; font-weight: 600; }
.button:focus-visible { outline: 3px solid #79aaff; outline-offset: 4px; }
footer { text-align: center; color: var(--tg-theme-hint-color, #62728b); margin-top: 24px; font-size: 12px; }