:root {
  color-scheme: light;
  --uw-blue: #0668ff;
  --uw-ink: #0b1326;
  --uw-muted: #697994;
  --uw-border: #e1e9f4;
  --uw-danger: #f52630;
  font-family: "Noto Sans SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif;
  color: var(--uw-ink);
  background: white;
  font-synthesis: none;
}
* { box-sizing: border-box; }
body { margin: 0; }
button, input, textarea, select { font: inherit; }
a { color: inherit; }
button, select, summary { cursor: pointer; }
button { touch-action: manipulation; }
button:disabled { cursor: not-allowed; }
img, svg { max-width: 100%; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid #0d68f0; outline-offset: 3px; }
.line-icon { display: block; width: 24px; height: 24px; flex-shrink: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: -100px; left: 12px; z-index: 100; padding: 12px 20px; background: white; color: var(--uw-blue); }
.skip-link:focus { top: 8px; }
.page-support { background: #edf3f9; padding: 15px 17px 16px; }
.page-support .prototype-shell { max-width: 1600px; margin: auto; min-height: calc(100vh - 32px); border-radius: 12px; overflow: hidden; background: white; box-shadow: 0 5px 30px #293e5810; }
.uw-header { background: white; border-bottom: 1px solid #e5effd; }
.uw-header-inner { min-height: 67px; display: flex; align-items: center; gap: 34px; padding: 12px 38px; }
.brand-mark { display: block; width: 132px; height: 38px; }
.uw-brand { color: var(--uw-blue); font-size: 36px; letter-spacing: -1.5px; font-weight: 900; line-height: 1; text-decoration: none; flex-shrink: 0; }
.header-section { border-inline-start: 1px solid #d7e1ef; padding-inline-start: 24px; font-size: 20px; font-weight: 650; color: var(--uw-blue); }
.header-separator { height: 24px; width: 1px; background: #d7e1ef; }
.uw-nav { margin-inline-start: auto; margin-inline-end: 60px; font-size: 14px; font-weight: 600; }
.uw-nav a { text-decoration: none; }
.language-select { display: flex; align-items: center; gap: 10px; min-height: 40px; border: 1px solid #d8e1ee; border-radius: 5px; padding-inline: 13px 8px; background: white; flex-shrink: 0; }
.language-select .line-icon { width: 20px; height: 20px; }
.language-select select { width: 115px; border: 0; padding: 8px 2px; color: var(--uw-ink); background: transparent; font-size: 14px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 12px 24px; border: 1px solid transparent; border-radius: 6px; background: var(--uw-blue); color: white; font-size: 16px; font-weight: 650; line-height: 1.4; }
.button:hover:not(:disabled) { background: #0058df; }
.button:disabled { background: #d7dde7; color: #8491a4; box-shadow: none; }
.button.secondary { background: white; color: #52617a; border-color: #d1dbea; }
.button.secondary:hover { background: #f4f7fc; }
.button.destructive { background: var(--uw-danger); }
.button.destructive:hover { background: #d31e2a; }
.full-width { width: 100%; }
.text-button { border: 0; background: none; color: var(--uw-blue); padding: 7px; font-size: 13px; }
.danger-text { color: var(--uw-danger); font-weight: 600; }
.uw-dialog { border: 0; border-radius: 12px; padding: 58px 26px 28px; max-width: min(400px, calc(100vw - 32px)); width: 400px; color: var(--uw-ink); box-shadow: 0 20px 100px #10234226; text-align: center; }
.uw-dialog::backdrop { background: #0009; }
.dialog-close { position: absolute; inset-inline-end: 20px; top: 17px; border: 0; background: none; color: #7e8a9e; font-size: 30px; line-height: 1; padding: 3px; }
.uw-dialog h2 { font-size: 24px; line-height: 1.5; margin: 18px 0 14px; }
.uw-dialog p { font-size: 15px; line-height: 1.7; color: var(--uw-muted); margin: 0; }
.uw-dialog .danger-text { color: var(--uw-danger); }
.dialog-icon { margin: auto; width: 76px; height: 76px; background: #edf5ff; color: var(--uw-blue); border-radius: 50%; display: grid; place-items: center; font-size: 30px; }
.dialog-icon.danger { background: #fdecef; color: var(--uw-danger); }
.dialog-icon.danger > span { border: 2px solid currentColor; border-radius: 50%; width: 35px; height: 35px; font-size: 26px; line-height: 30px; }
.dialog-actions { display: flex; gap: 18px; margin-top: 28px; }
.dialog-actions > button { flex: 1; }
.dialog-actions > [data-cancel] { flex: .88; }
.loading, .error-page { max-width: 700px; margin: 100px auto; padding: 24px; }
@media (max-width: 1000px) {
  .uw-header-inner { padding-inline: 28px; gap: 24px; }
  .uw-nav { margin-inline-end: 15px; }
}
@media (max-width: 640px) {
  .page-support { padding: 8px; }
  .uw-header-inner { padding: 14px 16px; gap: 16px; flex-wrap: wrap; }
  .uw-brand { font-size: 28px; }
  .header-section { padding-inline-start: 15px; font-size: 15px; }
  .uw-nav { margin-inline-start: auto; margin-inline-end: 0; font-size: 12px; }
  .language-select { min-height: 36px; gap: 7px; padding-inline: 9px 5px; }
  .language-select select { width: 100px; font-size: 12px; }
  .language-select .line-icon { width: 17px; height: 17px; }
  .uw-dialog { padding: 40px 20px 24px; }
  .uw-dialog h2 { font-size: 22px; }
}
@media (max-width: 440px) {
  .page-support .header-section { display: none; }
  .uw-header-inner { gap: 12px; padding-inline: 12px; }
  .uw-nav { font-size: 11px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}
