/* WICHF_CANONICAL_PUBLIC_SHELL_V1. Homepage visual tokens; no page selectors. */
:root { --wichf-public-header-height: 84px; }
html { scrollbar-gutter: auto; scrollbar-width: none; }
body { margin: 0; }
[data-wichf-page-body] { position: relative; isolation: isolate; display: flow-root; min-width: 0; overflow-x: clip; }
[data-wichf-shell], [data-wichf-shell] * { box-sizing: border-box; }
[data-wichf-shell] { --shell-ink: #0b0f0e; --shell-text: #f5f0e7; --shell-gold: #c9b58f; font: 400 16px/1.65 "Source Sans 3", Inter, "Segoe UI", Helvetica, Arial, sans-serif; letter-spacing: normal; text-align: left; color: var(--shell-text); overflow-wrap: normal; }
html[lang="zh-CN"] [data-wichf-shell] { font-family: "Noto Sans CJK SC", "Microsoft YaHei", sans-serif; line-height: 1.75; }
[data-wichf-shell] a { color: inherit; text-decoration: none; }
[data-wichf-shell] button { font: inherit; color: inherit; cursor: pointer; }
[data-wichf-shell] :is(a,button,summary):focus-visible { outline: 2px solid var(--shell-gold); outline-offset: 4px; }
[data-wichf-shell] .wichf-shell { width: min(calc(100% - 72px), 1368px); margin-inline: auto; }
[data-wichf-site-header] { position: relative; z-index: 50; height: var(--wichf-public-header-height); background: linear-gradient(rgba(8,14,12,.88),rgba(8,14,12,.25)), #10271f; border: 0; padding: 0; margin: 0; }
[data-wichf-site-header] .site-header__inner { height: 100%; display: flex; align-items: center; gap: 28px; }
[data-wichf-site-header] .brand { display: flex; width: 180px; height: 44px; align-items: center; flex: 0 0 180px; }
[data-wichf-site-header] .brand img { display: block; width: 180px; height: 42px; object-fit: contain; filter: brightness(0) invert(1); }
[data-wichf-site-header] .wichf-navigation-panel { display: flex; align-items: center; justify-content: flex-end; gap: 28px; margin-left: auto; min-width: 0; }
[data-wichf-site-header] .primary-nav { display: flex; align-items: center; gap: clamp(13px,1.45vw,27px); }
[data-wichf-site-header] .primary-nav a { position: relative; display: flex; align-items: center; justify-content: center; height: 44px; padding: 12px 0 15px; white-space: nowrap; font-size: clamp(10.88px,.72vw,12.48px); line-height: 1.2; letter-spacing: .045em; font-weight: 650; color: rgba(245,240,231,.84); }
[data-wichf-site-header] .primary-nav a::after { content: ""; position: absolute; height: 1px; bottom: 5px; left: 0; right: 0; background: var(--shell-gold); opacity: 0; }
[data-wichf-site-header] .primary-nav a:is([aria-current="page"],:hover,:focus-visible) { color: var(--shell-gold); }
[data-wichf-site-header] .primary-nav a:is([aria-current="page"],:hover,:focus-visible)::after { opacity: 1; }
[data-wichf-site-header] .header-actions { display: flex; align-items: center; gap: 12px; width: 212px; flex: 0 0 212px; }
[data-wichf-site-header] .language-selector { position: relative; width: 104px; flex: 0 0 104px; }
[data-wichf-site-header] summary { height: 44px; display: flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer; font-size: 13.12px; font-weight: 650; white-space: nowrap; list-style: none; }
[data-wichf-site-header] summary::-webkit-details-marker { display: none; }
[data-wichf-site-header] summary::after { content: "⌄"; color: var(--shell-gold); }
[data-wichf-site-header] .language-selector__menu { position: absolute; z-index: 2; right: 0; top: 100%; width: 168px; padding: 10px; background: #10271f; border: 1px solid rgba(245,240,231,.2); }
[data-wichf-site-header] .language-selector__menu a { display: flex; align-items: center; min-height: 44px; padding: 8px; font-size: 14px; }
[data-wichf-site-header] .language-selector__menu a[aria-current] { color: var(--shell-gold); }
[data-wichf-site-header] [data-shell-account] { display: flex; align-items: center; justify-content: center; width: 96px; height: 44px; padding: 10px 12px; border: 1px solid transparent; border-radius: 3px; background: var(--shell-gold); color: var(--shell-ink); font-size: 13.12px; font-weight: 650; letter-spacing: .045em; line-height: 1.25; white-space: nowrap; }
[data-wichf-site-header] :is(.mobile-menu-toggle,.wichf-menu-close) { display: none; }
[data-wichf-site-footer] { display: block; padding: 64px 0 28px; background: #0b0f0e; margin: 0; }
[data-wichf-site-footer] .site-footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 42px; padding-bottom: 58px; }
[data-wichf-site-footer] .site-footer__brand strong { display: block; max-width: 260px; font: 500 22.72px/1.2 "Source Serif 4", "Iowan Old Style", "Palatino Linotype", Georgia, serif; }
[data-wichf-site-footer] .site-footer__brand p { max-width: 330px; margin: 18px 0 0; color: rgba(245,240,231,.66); font-size: 14.4px; }
[data-wichf-site-footer] h2 { margin: 0 0 14px; font: 400 11.52px/.98 "Source Serif 4", "Iowan Old Style", "Palatino Linotype", Georgia, serif; letter-spacing: .13em; text-transform: uppercase; color: var(--shell-gold); }
[data-wichf-site-footer] .footer-group a { display: flex; align-items: center; min-height: 44px; color: rgba(245,240,231,.82); }
[data-wichf-site-footer] .site-footer__base { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 48px; padding-top: 24px; border-top: 1px solid rgba(245,240,231,.16); color: rgba(245,240,231,.54); font-size: 12.8px; letter-spacing: .08em; }
[data-wichf-site-footer] .site-footer__base nav { display: flex; flex-wrap: wrap; gap: 20px; }
[data-wichf-site-footer] .site-footer__base a { display: inline-flex; align-items: center; min-height: 44px; }
.wichf-skip { position: absolute; top: -100px; left: 18px; z-index: 100; padding: 12px 18px; background: #10271f; }
.wichf-skip:focus { top: 12px; }
@media (max-width: 1023px) {
  :root { --wichf-public-header-height: 72px; }
  [data-wichf-site-header] .site-header__inner { justify-content: space-between; }
  [data-wichf-site-header] .wichf-navigation-panel { display: none; }
  [data-wichf-site-header] .mobile-menu-toggle { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; width: 48px; height: 48px; padding: 10px; border: 1px solid rgba(245,240,231,.24); background: transparent; }
  [data-wichf-site-header] .mobile-menu-toggle span { display: block; width: 22px; height: 1px; background: currentColor; }
  [data-wichf-site-header] .wichf-navigation-panel[data-open] { position: fixed; inset: 0 0 0 auto; z-index: 51; width: min(390px,100%); height: 100dvh; display: flex; flex-direction: column; align-items: stretch; justify-content: flex-start; gap: 24px; padding: 24px; overflow-y: auto; background: #10271f; box-shadow: -30vw 0 0 30vw rgba(0,0,0,.5); }
  [data-wichf-site-header] .wichf-menu-close { display: block; align-self: flex-end; width: 48px; height: 48px; border: 1px solid rgba(245,240,231,.24); background: transparent; font-size: 28px; }
  [data-wichf-site-header] .primary-nav { flex-direction: column; align-items: stretch; gap: 0; }
  [data-wichf-site-header] .primary-nav a { justify-content: flex-start; font-size: 16px; height: 48px; padding: 12px 0; }
  [data-wichf-site-header] .header-actions { flex-direction: column; align-items: stretch; width: 100%; flex: none; gap: 24px; }
  [data-wichf-site-header] .language-selector { width: 100%; flex: none; }
  [data-wichf-site-header] summary { justify-content: flex-start; }
  [data-wichf-site-header] .language-selector__menu { position: static; width: 100%; display: grid; grid-template-columns: 1fr 1fr; }
  [data-wichf-site-header] [data-shell-account] { width: 100%; }
  [data-wichf-site-footer] .site-footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 720px) {
  [data-wichf-shell] .wichf-shell { width: calc(100% - 36px); }
  [data-wichf-site-header] .brand { width: 150px; flex-basis: 150px; }
  [data-wichf-site-header] .brand img { width: 150px; }
  [data-wichf-site-footer] .site-footer__grid { grid-template-columns: 1fr; }
  [data-wichf-site-footer] .site-footer__base { display: grid; gap: 14px; }
}