* { box-sizing: border-box; }
:root { color-scheme: light; }
body { margin: 0; min-height: 100dvh; display: grid; grid-template-rows: auto 1fr auto; color: #192538; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif; background: radial-gradient(ellipse at 80% 10%, #d8e5fa, transparent 60%), radial-gradient(ellipse at 10% 90%, #e2eaf5, transparent 55%), #f4f8fd; -webkit-font-smoothing: antialiased; }
.brand { margin: 32px 42px; width: fit-content; font-size: 20px; font-weight: 600; letter-spacing: -.65px; text-decoration: none; color: inherit; }
.brand span { color: #285cf3; }
main { align-self: center; width: min(420px, calc(100% - 36px)); margin: 25px auto 50px; padding: 38px; background: rgba(255,255,255,.52); border: 1px solid rgba(255,255,255,.9); border-radius: 28px; box-shadow: inset 0 1px 0 white, 0 18px 60px rgba(59,85,125,.08); -webkit-backdrop-filter: blur(24px); backdrop-filter: blur(24px); }
.eyebrow { font-size: 9px; letter-spacing: 2px; color: #708199; margin: 0 0 24px; }
h1 { margin: 0; font-family: "Songti SC", "STSong", Georgia, serif; font-size: 38px; font-weight: 400; }
.intro { margin: 15px 0 30px; color: #62738a; font-size: 12px; line-height: 1.8; }
label { display: block; font-size: 11px; color: #566a84; margin-bottom: 10px; }
input { width: 100%; min-height: 58px; background: rgba(255,255,255,.6); border: 1px solid white; border-radius: 14px; padding: 12px 18px; font: 24px -apple-system, sans-serif; letter-spacing: 12px; color: #192538; }
input:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid #285cf3; outline-offset: 3px; }
.error { min-height: 19px; color: #9b4255; font-size: 11px; line-height: 1.7; margin: 10px 0; }
button { width: 100%; min-height: 50px; display: flex; justify-content: space-between; align-items: center; background: #24354d; color: white; border: 0; border-radius: 14px; padding: 12px 18px; font: inherit; font-size: 13px; cursor: pointer; }
button:hover { background: #30496b; }
button span { font-size: 20px; }
.note { margin: 20px 0 0; color: #8290a4; font-size: 10px; text-align: center; }
footer { margin: 0 42px 26px; color: #8290a4; font-size: 10px; }
@media (max-width: 480px) { .brand { margin: 25px; } main { padding: 30px 26px; } footer { margin-left: 25px; } }
@media (prefers-reduced-transparency: reduce) { main { background: #f9fbff; backdrop-filter: none; } }