:root {
  --navy: #091625;
  --gold: #c6a66b;
  --gold-soft: #d9be87;
  --ivory: #f2efe8;
  --muted: #a9b3c0;
  --focus: #d9be87;
  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background: var(--navy);
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--navy);
  color: var(--ivory);
  font-family:
    "Segoe UI",
    system-ui,
    "PingFang SC",
    "Hiragino Sans GB",
    "Noto Sans SC",
    "Noto Sans CJK SC",
    "Microsoft YaHei",
    "WenQuanYi Micro Hei",
    "Droid Sans Fallback",
    sans-serif;
  font-size: 1.125rem;
  font-weight: 400;
  font-synthesis: none;
  line-height: 1.5;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  flex: 1;
  width: min(44rem, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: clamp(2.75rem, 9vh, 6.5rem) 0 2.5rem;
}

h1 {
  margin: 0;
}

h1 img {
  display: block;
  width: min(100%, 40rem);
  height: auto;
}

.notice {
  margin: 2.25rem 0 0;
  max-width: 22em;
  color: var(--ivory);
  font-size: 1.375rem;
  font-weight: 400;
  line-height: 1.45;
}

.notice-zh {
  margin: 0.7rem 0 0;
  color: var(--ivory);
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1.5;
}

.visit {
  margin: 2.15rem 0 0;
}

.visit a {
  display: inline-block;
  padding-block: 0.35rem;
  color: var(--gold-soft);
  font-size: 1.0625rem;
  font-weight: 400;
  line-height: 1.4;
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.32em;
}

.visit a:hover {
  color: var(--ivory);
  text-decoration-color: var(--gold-soft);
}

.visit a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 4px;
}

footer {
  width: min(44rem, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 0 0 1.5rem;
}

footer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.4;
}

.request-access {
  margin: 1.15rem 0 0;
}

.request-access a {
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.4;
  text-decoration: underline;
  text-decoration-color: rgba(169, 179, 192, 0.7);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.28em;
}

.request-access a:hover {
  color: var(--gold-soft);
  text-decoration-color: var(--gold);
}

.request-access a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 4px;
}

.private-access h1 {
  margin: 1.6rem 0 0;
  color: var(--ivory);
  font-size: clamp(1.6rem, 3vw, 2rem);
  font-weight: 400;
  line-height: 1.25;
}

.brand {
  margin: 0;
}

.brand a {
  display: inline-block;
}

.brand a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 4px;
}

.brand img {
  display: block;
  width: min(100%, 22rem);
  height: auto;
}

.privacy,
.success-copy {
  margin: 1rem 0 0;
  max-width: 38rem;
  line-height: 1.5;
}

.privacy {
  color: var(--muted);
  font-size: 0.9375rem;
}

.success-copy {
  color: var(--ivory);
  font-size: 1.125rem;
}

.access-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.05rem;
  max-width: 36rem;
  margin: 1.5rem 0 0;
}

.field {
  display: grid;
  gap: 0.4rem;
}

.field label,
.verification p {
  color: var(--ivory);
  font-size: 0.9375rem;
}

.req,
.opt,
.verification p {
  color: var(--muted);
}

.req,
.opt {
  font-size: 0.8125rem;
}

.verification p {
  margin: 0 0 0.45rem;
}

.field input,
.field select,
.submit-request {
  width: 100%;
  max-width: 36rem;
  min-height: 3rem;
  padding: 0.7rem 0.75rem;
  border: 1px solid rgba(198, 166, 107, 0.55);
  border-radius: 0;
  background: #102033;
  color: var(--ivory);
  font: inherit;
  font-size: 1rem;
  line-height: 1.4;
}

.field select {
  color-scheme: dark;
}

.field input:focus-visible,
.field select:focus-visible,
.submit-request:focus-visible,
.form-error a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.submit-request {
  width: 100%;
  max-width: 20rem;
  margin-top: 0.35rem;
  background: transparent;
  color: var(--gold-soft);
  cursor: pointer;
}

.submit-request:hover {
  color: var(--ivory);
  border-color: var(--gold-soft);
}

.form-error,
.field-error {
  color: #f3d2cb;
}

.form-error {
  margin: 0;
  padding: 0.75rem 0.8rem;
  border: 1px solid rgba(243, 210, 203, 0.45);
  font-size: 0.9375rem;
}

.form-error p,
.field-error {
  margin: 0;
}

.form-error ul {
  margin: 0.45rem 0 0;
  padding-left: 1.2rem;
}

.form-error a {
  color: inherit;
}

.field-error {
  font-size: 0.875rem;
}

@media (max-width: 480px) {
  main,
  footer {
    width: min(44rem, calc(100% - 2rem));
  }

  main {
    padding-top: 2.5rem;
  }

  .notice {
    margin-top: 1.85rem;
    font-size: 1.25rem;
  }

  .notice-zh {
    font-size: 1.125rem;
  }

  .submit-request {
    max-width: none;
  }
}