:root { color-scheme: light; --ink: #202a28; --muted: #566660; --green: #175940; --line: #dce3df; --wash: #f0f5f2; --accent: #c25342; }
* { box-sizing: border-box; letter-spacing: 0; }
[hidden] { display: none !important; }
html { scroll-padding-top: 106px; }
body { margin: 0; background: #fbfcfa; color: var(--ink); font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; }
button, input { font: inherit; color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: var(--green); text-underline-offset: 4px; }
button, summary { cursor: pointer; }
button, .button { border-radius: 6px; }
button { background: transparent; }
button:disabled { cursor: default; opacity: .5; }
:focus-visible { outline: 3px solid #268b6c; outline-offset: 4px; }
h1, h2, h3, p, dl, dd { margin: 0; }
h1, h2, h3 { line-height: 1.4; overflow-wrap: anywhere; }
.visually-hidden, .skip:not(:focus) { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip:focus { position: fixed; top: 10px; left: 10px; z-index: 20; padding: 10px 18px; background: white; }
.site-header { position: sticky; top: 0; z-index: 5; background: #fbfcfa; border-bottom: 1px solid var(--line); }
.header-inner { max-width: 1248px; min-height: 86px; padding: 14px 32px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: flex; gap: 12px; align-items: center; color: var(--ink); text-decoration: none; font-size: 13px; font-weight: 750; line-height: 1.4; min-width: 0; }
.brand img { display: block; flex: 0 0 44px; border-radius: 4px; }
.brand-caption { display: block; color: var(--muted); font-size: 12px; font-weight: 400; margin-top: 3px; }
.header-actions { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
#language { width: 44px; height: 44px; padding: 0; font-size: 13px; font-weight: 650; border: 1px solid var(--line); }
.button { min-height: 44px; padding: 10px 18px; display: inline-flex; justify-content: center; align-items: center; gap: 12px; text-decoration: none; font-size: 14px; line-height: 1.5; font-weight: 650; border: 1px solid transparent; }
.primary { background: var(--green); color: #fff; }
.primary:hover { background: #104331; }
.page { max-width: 1248px; margin: auto; padding: 0 32px; }
.intro { padding: 42px 0 30px; max-width: 790px; }
.eyebrow { color: var(--accent); font-size: 12px; font-weight: 700; }
h1 { font-size: 32px; font-weight: 720; margin: 10px 0; }
.intro-copy { color: var(--muted); font-size: 15px; }
#search-form { display: flex; align-items: stretch; gap: 10px; margin: 24px 0 9px; max-width: 680px; }
.search-field { display: flex; flex: 1; min-width: 0; align-items: center; border: 1px solid #a5b5ad; border-radius: 6px; background: #fff; padding: 0 10px 0 17px; min-height: 52px; }
.search-icon { display: block; flex: 0 0 14px; width: 14px; height: 14px; border: 1.7px solid var(--muted); border-radius: 50%; position: relative; margin-right: 13px; }
.search-icon::after { content: ""; position: absolute; width: 6px; height: 1.7px; background: var(--muted); transform: rotate(45deg); right: -5px; bottom: -3px; }
#search { min-width: 0; flex: 1; width: 100%; border: 0; background: transparent; padding: 12px 0; font-size: 16px; outline-offset: 2px; }
#search::-webkit-search-cancel-button { display: none; }
#clear-search { font-size: 12px; border: 0; min-width: 42px; min-height: 42px; padding: 4px; margin-left: 8px; }
.search-submit { background: var(--ink); color: white; min-width: 72px; }
.fine { color: var(--muted); font-size: 12px; line-height: 1.65; }
.help-layout { display: grid; grid-template-columns: 174px minmax(0, 1fr) 258px; gap: 32px; align-items: start; border-top: 1px solid var(--line); padding-top: 30px; padding-bottom: 64px; }
.small-heading { font-size: 12px; color: var(--muted); font-weight: 500; margin-bottom: 14px; }
#categories { display: grid; gap: 5px; }
.category { min-height: 44px; display: flex; align-items: center; gap: 8px; justify-content: space-between; border: 1px solid transparent; text-align: left; font-size: 13px; line-height: 1.45; padding: 11px 12px; }
.category span:first-child { min-width: 0; }
.category .count { flex: 0 0 22px; width: 22px; font-size: 11px; text-align: right; color: var(--muted); }
.category:hover { background: #f0f2ef; }
.category[aria-pressed="true"] { color: var(--green); background: #e7f0eb; border-color: #c1d4c9; font-weight: 650; }
#questions { min-width: 0; scroll-margin-top: 106px; }
.results-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; min-height: 44px; border-bottom: 1px solid var(--line); padding-bottom: 15px; }
.results-heading h2 { font-size: 19px; }
#result-count { font-size: 12px; color: var(--muted); flex: 0 0 auto; }
.faq { border-bottom: 1px solid var(--line); scroll-margin-top: 106px; }
.faq summary { display: flex; align-items: center; justify-content: space-between; gap: 22px; padding: 20px 0; list-style: none; min-height: 70px; font-size: 16px; font-weight: 650; line-height: 1.5; }
summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--green); }
.faq summary:focus-visible { outline-offset: -3px; }
.faq summary > span:first-child { overflow-wrap: anywhere; min-width: 0; }
.faq .toggle-mark { width: 24px; height: 24px; flex: 0 0 24px; position: relative; }
.toggle-mark::before, .toggle-mark::after { content: ""; position: absolute; background: var(--green); left: 5px; top: 11px; width: 14px; height: 1.5px; }
.toggle-mark::after { transform: rotate(90deg); }
.faq[open] .toggle-mark::after { transform: rotate(0); }
.faq[open] summary { color: var(--green); }
.answer { padding: 0 0 23px; font-size: 14px; line-height: 1.9; color: #40504a; overflow-wrap: anywhere; }
.answer p { white-space: pre-line; }
.answer-contact { display: inline-block; margin-top: 15px; font-size: 13px; color: var(--green); font-weight: 650; }
.related { margin-top: 20px; padding-top: 14px; border-top: 1px dashed var(--line); }
.related-label { display: block; font-size: 11px; color: var(--muted); margin-bottom: 6px; }
.related button { display: block; border: 0; padding: 8px 0; min-height: 38px; text-align: left; line-height: 1.6; font-size: 12px; color: var(--green); }
.related button:hover, .text-button:hover { text-decoration: underline; text-underline-offset: 4px; }
.answer-note { font-size: 12px; color: var(--muted); padding-top: 22px; line-height: 1.8; }
.contact-region { padding-left: 26px; border-left: 1px solid var(--line); min-width: 0; }
.contact-region h2 { font-size: 22px; margin: 10px 0 13px; }
.contact-copy { font-size: 14px; color: var(--muted); line-height: 1.9; }
.contact-main { margin-top: 20px; width: 100%; }
.contact-details { margin: 24px 0; }
.contact-details > div + div { margin-top: 15px; }
.contact-details dt { color: var(--muted); font-size: 11px; margin-bottom: 3px; }
.contact-details dd { font-size: 13px; line-height: 1.8; overflow-wrap: anywhere; }
.contact-details a { color: var(--ink); text-decoration: none; }
.contact-details a:hover { text-decoration: underline; }
.empty-state { padding: 35px 0 30px; }
.empty-mark { display: flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 6px; background: #f8eae6; color: var(--accent); font-size: 20px; margin-bottom: 16px; }
.empty-state h3 { font-size: 20px; margin-bottom: 10px; }
.empty-state p { font-size: 14px; color: var(--muted); margin-bottom: 22px; }
.text-button { display: block; min-height: 44px; border: 0; padding: 8px 0; font-size: 13px; color: var(--green); margin-top: 8px; }
.empty-contacts { display: flex; gap: 24px; margin-top: 13px; font-size: 13px; }
footer { padding: 23px 0 32px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.footer-line { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.privacy { margin-top: 13px; max-width: 710px; }
.privacy summary { text-decoration: underline; text-underline-offset: 3px; padding: 7px 0; }
.privacy p { margin-top: 8px; line-height: 1.9; }
@media (min-width: 1100px) { .topics-region, .contact-region { position: sticky; top: 113px; } }
@media (max-width: 1099px) {
  .help-layout { grid-template-columns: 160px minmax(0, 1fr); gap: 28px; }
  .contact-region { grid-column: 2; padding: 25px 0 0; border-left: 0; border-top: 1px solid var(--line); }
  .contact-main { max-width: 280px; }
  .contact-details { display: flex; flex-wrap: wrap; gap: 20px 40px; }
  .contact-details > div + div { margin-top: 0; }
}
@media (max-width: 699px) {
  .header-inner { padding: 12px 18px; min-height: 78px; gap: 10px; }
  .header-actions { gap: 8px; }
  .header-actions .button { padding: 10px 12px; font-size: 12px; gap: 5px; }
  .header-actions .button span { display: none; }
  .brand { gap: 8px; font-size: 11px; }
  .brand img { width: 35px; height: 35px; flex-basis: 35px; }
  .brand-caption { font-size: 11px; }
  #language { width: 36px; }
  .page { padding: 0 20px; }
  .intro { padding: 28px 0 23px; }
  h1 { font-size: 26px; }
  .intro-copy { font-size: 14px; }
  #search-form { margin-top: 20px; gap: 7px; }
  .search-field { padding-left: 12px; padding-right: 6px; }
  .search-icon { display: none; }
  .search-submit { min-width: 58px; padding: 9px 11px; }
  #clear-search { margin-left: 3px; min-width: 32px; font-size: 11px; }
  .help-layout { display: block; padding-top: 23px; padding-bottom: 36px; }
  #categories { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; }
  .category { font-size: 12px; border-color: var(--line); padding: 9px 10px; }
  .topics-region { margin-bottom: 30px; }
  .small-heading { margin-bottom: 12px; }
  .results-heading h2 { font-size: 19px; }
  .faq summary { font-size: 15px; gap: 12px; padding: 18px 0; }
  .answer { font-size: 14px; }
  .contact-region { margin-top: 32px; padding-top: 28px; }
  .contact-region h2 { font-size: 22px; }
  .contact-main { max-width: none; }
  .contact-details { display: block; }
  .contact-details > div + div { margin-top: 15px; }
  .contact-details dd { font-size: 14px; }
  .footer-line { display: block; }
  .footer-line > span { display: block; margin-top: 4px; }
}
@media (prefers-reduced-motion: no-preference) { button, a { transition: background-color .15s, color .15s; } }