/* Formal shared header. This is the single authoritative layer for the v5 shell. */
body[data-site-version="v5"] .wf-header{position:sticky;z-index:50;top:0;border:0;border-bottom:1px solid var(--bz-line);background:rgba(255,255,255,.96);backdrop-filter:blur(14px)}
body[data-site-version="v5"] .wf-header-inner{height:74px;display:grid;grid-template-columns:220px minmax(0,1fr) auto;align-items:center;gap:34px}
body[data-site-version="v5"] .wf-brand{position:relative;min-height:48px;display:flex;align-items:center;text-decoration:none;line-height:1}
body[data-site-version="v5"] .wf-brand::after{display:none}
.v5-logo-lockup{display:block}
.v5-logo-badge{display:block;width:108px;height:auto}
.v5-brand{width:108px}
body[data-site-version="v5"] .wf-desktop-nav{min-width:0;display:flex;align-items:center;justify-content:center;gap:26px}
body[data-site-version="v5"] .wf-desktop-nav>a,.v5-nav-link,.v5-nav-pending{position:relative;min-height:44px;display:inline-flex;align-items:center;color:var(--bx-muted);font-size:14px;font-weight:680;text-decoration:none;white-space:nowrap}
body[data-site-version="v5"] .wf-desktop-nav>a:hover,.v5-nav-link:hover,.v5-support-entry[data-current]>.v5-nav-link{color:var(--bz-ink)}
body[data-site-version="v5"] .wf-desktop-nav>a[aria-current="page"],.v5-nav-link[aria-current="page"]{color:var(--bz-ink);font-weight:760}
body[data-site-version="v5"] .wf-desktop-nav>a[aria-current="page"]::after,.v5-catalog-entry[data-current]::after,.v5-support-entry[data-current]::after{position:absolute;right:0;bottom:-15px;left:0;height:3px;background:var(--bz-yellow);content:""}
.v5-catalog-entry{position:relative;display:inline-flex;align-items:center}
.v6-catalog-menu-button{width:36px;min-height:44px;padding:0;border:0;background:transparent;color:var(--bz-ink);font:inherit;cursor:pointer}
.v6-catalog-menu-button span{display:inline-block;width:7px;height:7px;margin-bottom:3px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg);transition:transform .2s ease}
.v6-catalog-menu-button[aria-expanded="true"] span{transform:translateY(4px) rotate(225deg)}
.v5-nav-pending{color:#8c8d87;cursor:default}
.v5-nav-pending::after{width:5px;height:5px;margin-left:7px;border-radius:50%;background:var(--bz-yellow);content:""}
.v5-support-entry{position:relative;display:inline-flex;align-items:center}
.v5-support-menu-button{width:36px;min-height:44px;padding:0;border:0;background:transparent;color:var(--bz-ink);font:inherit;cursor:pointer}
.v5-support-menu-button span{display:inline-block;width:7px;height:7px;margin-bottom:3px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg);transition:transform .2s ease}
.v5-support-menu-button[aria-expanded="true"] span{transform:translateY(4px) rotate(225deg)}
.v5-support-popover{min-width:176px;padding:8px;position:absolute;z-index:55;top:46px;left:-16px;display:grid;border:1px solid var(--bz-line);background:#fff;box-shadow:0 18px 42px rgba(15,31,25,.11)}
.v5-support-popover[hidden]{display:none}
body[data-site-version="v5"] .v5-support-popover a{min-height:42px;padding:0 12px;display:flex;align-items:center;color:var(--bz-ink);font-size:12px;text-decoration:none}
.v5-support-popover a:hover,.v5-support-popover a[aria-current="page"]{background:var(--bz-soft)}
body[data-site-version="v5"] .wf-header-actions{min-width:0;display:flex;align-items:center;justify-content:flex-end;gap:8px}
.v5-search-link{min-width:44px;min-height:44px;padding:0 8px;display:flex;align-items:center;justify-content:center;gap:7px;color:var(--bz-ink);font-size:13px;font-weight:680;text-decoration:none;white-space:nowrap}
.v5-search-link svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7}
.v5-search-link:hover span{text-decoration:underline}
body[data-site-version="v5"] .wf-shortlist-link{min-width:0;min-height:44px;padding:0 4px 0 14px;display:flex;align-items:center;gap:9px;border:1px solid var(--bz-ink);border-radius:999px;background:#fff;color:var(--bz-ink);font:inherit;font-size:14px;text-decoration:none;cursor:pointer}
body[data-site-version="v5"] .wf-shortlist-label{width:auto;height:auto;min-width:0;display:inline-flex;align-items:center;border:0;border-radius:0;line-height:1;white-space:nowrap}
body[data-site-version="v5"] .wf-shortlist-link>span:last-child{min-width:26px;height:26px;display:grid;place-items:center;border:0;border-radius:50%;background:var(--bz-yellow);color:var(--bz-ink);font-size:11px;font-weight:700}
body[data-site-version="v5"] .wf-menu-button{display:none;min-width:52px;min-height:44px;padding:0;border:0;background:transparent;color:var(--bz-ink);font:inherit;font-size:11px;cursor:pointer}
body[data-site-version="v5"] .wf-menu-button i{position:relative;width:18px;height:10px;display:block;margin:0 auto 4px;border-top:1px solid var(--bz-ink);border-bottom:1px solid var(--bz-ink)}

/* The category rail exists only on catalog, collection and product routes. */
.v5-category-nav{display:none;border-top:1px solid var(--bz-line);background:rgba(255,255,255,.98)}
.v5-category-nav-track{height:46px;display:flex;align-items:stretch;gap:28px;overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.v5-category-nav-track::-webkit-scrollbar{display:none}
.v5-category-nav-track a{min-width:max-content;min-height:44px;position:relative;display:flex;align-items:center;color:var(--bx-muted);font-size:12px;font-weight:660;text-decoration:none}
.v5-category-nav-track a:hover,.v5-category-nav-track a[aria-current]{color:var(--bz-ink)}
.v5-category-nav-track a[aria-current]::after{height:3px;position:absolute;right:0;bottom:-1px;left:0;background:var(--bz-yellow);content:""}

/* Desktop Mega Menu. */
.v6-mega-menu{position:fixed;z-index:49;top:74px;right:0;left:0;border-top:1px solid var(--bz-line);border-bottom:1px solid var(--bz-ink);background:#fff;opacity:0;transform:translateY(-12px);transition:opacity .2s ease,transform .28s cubic-bezier(.22,1,.36,1)}
.v6-mega-menu.is-open{opacity:1;transform:none}
.v6-mega-shell{display:grid;grid-template-columns:minmax(230px,.68fr) minmax(430px,2.25fr);gap:32px;padding:34px 0 30px}
.v6-mega-lead{display:flex;flex-direction:column;align-items:flex-start;justify-content:space-between;padding-right:30px;border-right:1px solid var(--bz-line)}
.v6-mega-lead p{max-width:24ch;margin:12px 0 28px;color:var(--bx-muted);font-size:13px;line-height:1.7}
.v6-mega-all{min-height:46px;display:inline-flex;align-items:center;gap:18px;color:var(--bz-ink);font-size:14px;font-weight:800;text-decoration:none}
.v6-mega-all span{font-size:20px}
.v6-mega-categories{display:grid;grid-template-columns:1fr 1fr;align-content:start;border-top:1px solid var(--bz-ink)}
.v6-mega-categories a{min-height:64px;display:grid;grid-template-columns:32px 1fr auto;align-items:center;gap:10px;padding:0 12px;color:var(--bz-ink);border-bottom:1px solid var(--bz-line);text-decoration:none}
.v6-mega-categories a:nth-child(odd){border-right:1px solid var(--bz-line)}
.v6-mega-categories a:hover,.v6-mega-categories a:focus-visible{background:var(--bz-soft)}
.v6-mega-categories small,.v6-mega-categories em{color:var(--bx-muted);font-size:10px;font-style:normal;letter-spacing:.05em}
.v6-mega-categories strong{font-size:15px}
.v6-mega-featured{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.v6-mega-feature{min-width:0;display:flex;flex-direction:column;color:var(--bz-ink);text-decoration:none}
.v6-mega-feature figure{position:relative;margin:0;overflow:hidden;aspect-ratio:4/3;border-radius:12px;background:var(--bz-soft)}
.v6-mega-feature img{width:100%;height:100%;object-fit:contain;transition:transform .46s cubic-bezier(.22,1,.36,1)}
.v6-mega-feature:hover img,.v6-mega-feature:focus-visible img{transform:scale(1.04)}
.v6-mega-feature span{display:flex;justify-content:space-between;gap:8px;margin-top:10px;font-size:11px}
.v6-mega-feature strong{font-size:13px}

/* Mobile navigation dialog. */
body[data-site-version="v5"] .wf-nav-dialog{width:min(420px,100%);height:100dvh;max-height:none;margin:0 0 0 auto;padding:0;border:0;background:#fff;color:var(--bz-ink)}
body[data-site-version="v5"] .wf-nav-dialog::backdrop{background:rgba(18,18,17,.42)}
body[data-site-version="v5"] .wf-nav-dialog[open]{animation:v5-nav-in .26s cubic-bezier(.22,1,.36,1) both}
body[data-site-version="v5"] .wf-dialog-head{min-height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 22px;border-bottom:1px solid var(--bz-line)}
body[data-site-version="v5"] .wf-dialog-head button{min-width:52px;min-height:44px;border:0;background:transparent;font:inherit;cursor:pointer}
body[data-site-version="v5"] .wf-nav-dialog nav{display:flex;flex-direction:column}
body[data-site-version="v5"] .wf-nav-dialog nav a,.v5-mobile-nav-pending{min-height:62px;display:flex;align-items:center;justify-content:space-between;padding:0 22px;border-bottom:1px solid var(--bz-line);font-size:16px;text-decoration:none}
.v5-mobile-nav-pending{color:#777871}
.v5-mobile-nav-pending small{font-size:10px;letter-spacing:.08em}
.v5-mobile-categories{padding:22px}
.v5-mobile-categories p{margin:0 0 8px;color:var(--bx-muted);font-size:10px;font-weight:700;letter-spacing:.12em}
.v5-mobile-categories a{min-height:42px;display:inline-flex;align-items:center;margin-right:18px;font-size:13px;text-decoration:none}
html.v5-nav-open{overflow:hidden}
@keyframes v5-nav-in{from{transform:translateX(100%)}to{transform:none}}

@media(max-width:1100px){
  body[data-site-version="v5"] .wf-header-inner{grid-template-columns:180px minmax(0,1fr) auto;gap:22px}
  body[data-site-version="v5"] .wf-desktop-nav{gap:17px}
}
@media(max-width:920px){
  body[data-site-version="v5"] .wf-header-inner{grid-template-columns:160px minmax(0,1fr) auto;gap:16px}
  .v5-nav-pending{display:none}
  body[data-site-version="v5"] .wf-desktop-nav{gap:14px}
  .v6-mega-shell{grid-template-columns:220px 1fr}.v6-mega-featured{display:none}
}
@media(max-width:760px){
  body[data-site-version="v5"] .wf-header-inner{height:64px;grid-template-columns:84px minmax(0,1fr);gap:8px}
  .v5-logo-badge{width:84px}
  .v5-brand{width:84px}
  body[data-site-version="v5"] .wf-desktop-nav{display:none}
  body[data-site-version="v5"] .wf-header-actions{gap:2px}
  .v5-search-link{width:44px;padding:0}
  .v5-search-link span{display:none}
  body[data-site-version="v5"] .wf-shortlist-link{min-height:42px;padding:0 3px 0 9px;display:flex;gap:5px;font-size:11px}
  body[data-site-version="v5"] .wf-shortlist-link>span:last-child{min-width:24px;height:24px}
  .v5-shortlist-wide{display:none}
  body[data-site-version="v5"] .wf-menu-button{display:block}
  .v5-category-nav{display:block;overflow:hidden}
  .v5-category-nav-track{width:100%;padding:0 16px}
  .v6-mega-menu{display:none!important}
}
@media(max-width:350px){
  body[data-site-version="v5"] .wf-header-inner{grid-template-columns:84px minmax(0,1fr)}
  body[data-site-version="v5"] .wf-shortlist-link{padding-left:7px}
  body[data-site-version="v5"] .wf-menu-button{min-width:46px}
}
@media(prefers-reduced-motion:reduce){
  .v6-catalog-menu-button span,.v5-support-menu-button span,.v6-mega-menu,.v6-mega-feature img,body[data-site-version="v5"] .wf-nav-dialog{animation:none!important;transition:none!important}
}

/* 資訊內頁沿用首頁已採用的入口樣式，不依賴整份訂製頁樣式。 */
[data-site-header] .wf-header-actions [data-shared-design-entry]{display:inline-flex;align-items:center;min-height:36px;padding:0 14px;margin-right:6px;border-radius:999px;background:var(--pd-brand,#2f4937);color:#fff!important;font-size:14px;font-weight:700;text-decoration:none;white-space:nowrap;-webkit-tap-highlight-color:transparent;transition:transform .12s cubic-bezier(.23,1,.32,1),filter .15s ease}
[data-site-header] .wf-header-actions [data-shared-design-entry]:active{transform:scale(.97)}
@media(hover:hover) and (pointer:fine){[data-site-header] .wf-header-actions [data-shared-design-entry]:hover{filter:brightness(1.12)}}
@media(max-width:760px){[data-site-header] .wf-header-actions [data-shared-design-entry]{min-height:34px;padding:0 12px;font-size:13px}}
@media(prefers-reduced-motion:reduce){[data-site-header] .wf-header-actions [data-shared-design-entry]{transition:none}}


/* Return entry shares the existing white header; no extra bar or stage height. */
body[data-site-version="v5"] .wf-header-inner.mitt-has-page-back{grid-template-columns:max-content minmax(0,1fr) auto}
.mitt-header-leading{display:flex;align-items:center;gap:12px;min-width:0}
.mitt-header-leading>.wf-brand{flex:none}
[data-site-header] .mitt-page-back{display:inline-flex;align-items:center;justify-content:center;gap:6px;flex:none;min-height:44px;padding:0 8px;border:0;border-radius:8px;background:transparent;color:inherit;font:inherit;font-size:14px;font-weight:500;line-height:1;text-decoration:none;white-space:nowrap;cursor:pointer;-webkit-tap-highlight-color:transparent;transition:opacity .16s ease,scale .16s cubic-bezier(.3,1,.3,1)}
[data-site-header] .mitt-page-back>span:first-child{font-size:20px}
[data-site-header] .mitt-page-back:active{scale:.97}
[data-site-header] .mitt-page-back:focus-visible{outline:2px solid currentColor;outline-offset:2px}
@media(hover:hover) and (pointer:fine){[data-site-header] .mitt-page-back:hover{opacity:.65}}
@media(max-width:760px){body[data-site-version="v5"] .wf-header-inner.mitt-has-page-back{grid-template-columns:minmax(0,1fr) auto}.mitt-header-leading{gap:8px}[data-site-header] .mitt-page-back{padding:0 4px;gap:4px}}
@media(prefers-reduced-motion:reduce){[data-site-header] .mitt-page-back{transition:none}}