:root { color-scheme: light; font-family: Inter, "Microsoft YaHei", Arial, sans-serif; color: #172638; background: #f4f7fb; }
* { box-sizing: border-box; }
body { min-height: 100vh; margin: 0; }
header { height: 68px; display: flex; align-items: center; justify-content: space-between; padding: 0 max(24px, calc((100vw - 980px) / 2)); border-bottom: 1px solid #dce4ec; background: #fff; }
a { color: #1769aa; text-decoration: none; }
.brand { display: flex; align-items: center; gap: 10px; color: #172638; }
.brand-mark { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 4px; color: #fff; background: #1769aa; font-weight: 700; }
.brand strong, .brand small { display: block; }
.brand small { margin-top: 2px; color: #718096; font-size: 11px; }
.back-link { font-size: 13px; }
main { width: min(760px, calc(100% - 32px)); margin: 58px auto; }
.heading { margin-bottom: 26px; }
.eyebrow { margin: 0 0 8px; color: #16866b; font-size: 11px; font-weight: 700; }
h1 { margin: 0; font-size: 28px; line-height: 1.3; }
.heading > p:last-child { margin: 8px 0 0; color: #718096; font-size: 14px; line-height: 1.7; }
form { display: grid; gap: 12px; padding: 22px; border: 1px solid #dce4ec; background: #fff; }
label { font-size: 13px; font-weight: 600; }
input { width: 100%; min-height: 44px; padding: 0 12px; border: 1px solid #cbd5df; border-radius: 3px; color: #172638; background: #fff; font: inherit; }
button { width: fit-content; min-height: 42px; padding: 0 16px; border: 0; border-radius: 3px; color: #fff; background: #1769aa; font: inherit; font-size: 13px; font-weight: 600; cursor: pointer; }
button:disabled { opacity: .6; cursor: wait; }
#status { min-height: 18px; margin: 0; color: #16866b; font-size: 12px; line-height: 1.5; overflow-wrap: anywhere; }
#status.is-error { color: #b42318; }
.details { margin-top: 26px; border-top: 1px solid #dce4ec; }
.details h2 { margin: 18px 0 6px; font-size: 15px; }
.details p { margin: 0; color: #718096; font-size: 12px; line-height: 1.7; }
@media (max-width: 600px) { header { height: 60px; padding: 0 16px; } main { margin-top: 36px; } form { padding: 16px; } h1 { font-size: 24px; } }