/* 全站八組共用頁首；桌機與手機共用唯一的預約按鈕。 */
.site-header{position:sticky;top:0;z-index:40;overflow:visible;background:var(--white);box-shadow:0 10px 24px -20px rgba(15,39,71,.3)}
.header-inner{display:flex;align-items:center;gap:clamp(8px,.65vw,20px);overflow:visible}
.site-header .site-nav{position:relative;flex:1 1 auto;min-width:0;overflow:visible}
.site-nav__inner{display:flex;align-items:center;flex-wrap:nowrap;gap:clamp(8px,.65vw,20px);padding-block:16px;overflow:visible}
.site-header .site-brand{display:flex;align-items:center;flex:0 0 auto;gap:8px;margin:0;text-decoration:none}
.site-header .site-brand img{width:clamp(42px,2.5vw,64px);height:auto}
.site-header .site-brand__name{color:var(--ink);font-size:clamp(18px,.95vw,28px);font-weight:800;line-height:1.25;white-space:nowrap}
.site-header .primary-nav{display:flex;align-items:center;justify-content:center;flex:1 1 auto;min-width:0;gap:0}
.nav-menu{display:flex;align-items:center;flex-wrap:nowrap;gap:clamp(8px,calc(8px + (100vw - 1200px)/180),14px);margin:0;padding:0;list-style:none}
.nav-item{position:relative;flex:0 0 auto}
.site-header .btn{height:56px;box-sizing:border-box;text-decoration:none}
.site-header .nav-link{padding-inline:clamp(6px,calc(6px + (100vw - 1200px)/110),16px);font-size:clamp(16px,.88vw,19px)}
.site-header .header-actions{display:flex;align-items:center;flex:0 0 auto;gap:clamp(6px,.45vw,12px)}
.list-link{gap:8px;box-sizing:border-box}
.list-link [data-list-count]{display:inline-flex;align-items:center;justify-content:center;min-width:25px;height:26px;padding:0 7px;border-radius:20px;background:var(--brand);color:var(--white);font-size:14px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums}
.site-header .list-link--icon{position:relative;width:64px;padding:5px 4px 0 0}
.list-link--icon svg{width:26px;height:26px;flex:0 0 26px}
.list-link--icon .list-count{position:absolute;top:2px;right:2px;min-width:22px;height:20px;padding-inline:5px}
.list-link--compact{display:none}
/* 縮小時清單鈕只留購物車圖示＋數字、選單鈕只留三條線（老闆 2026-10-04） */
.list-link--compact svg{width:26px;height:26px;flex:0 0 26px}
.list-link--compact .list-count{position:absolute;top:3px;right:3px;min-width:21px;height:20px;padding-inline:5px;font-size:13px}
.nav-link[aria-current="page"],
.mobile-menu__nav .btn[aria-current="page"],
.list-link[aria-current="page"]{--button-edge:var(--brand-d);background:linear-gradient(var(--brand-2),var(--brand));color:var(--white);border-color:rgba(1,78,142,.35);box-shadow:0 1px 0 rgba(255,255,255,.35) inset,0 6px 16px -8px rgba(2,103,185,.55)}
.nav-link[aria-current="page"],.mobile-menu__nav .btn[aria-current="page"]{transform:translateY(1px)}
.list-link[aria-current="page"] [data-list-count]{background:var(--white);color:var(--brand-d)}

/* 透明橋覆蓋十像素間隙；隱藏子項不進入滑鼠與鍵盤操作。 */
.nav-sub{position:absolute;top:calc(100% + 10px);left:50%;z-index:1;min-width:180px;width:max-content;margin:0;padding:8px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--white);box-shadow:var(--depth-2);list-style:none;transform:translateX(-50%);visibility:hidden;opacity:0;pointer-events:none;transition:opacity 120ms,visibility 120ms}
.nav-sub::before{content:"";position:absolute;left:-1px;right:-1px;top:-13px;height:13px;background:transparent}
.nav-sub::after{content:"";position:absolute;top:0;left:14px;right:14px;height:3px;border-radius:0 0 3px 3px;background:linear-gradient(90deg,var(--brand),var(--sky));pointer-events:none}
.nav-item:hover>.nav-sub,.nav-item:focus-within>.nav-sub{visibility:visible;opacity:1;pointer-events:auto}
/* 滑鼠指到哪一項就只開那一項（鍵盤焦點留在別項時，不要同時開兩個） */
.nav-menu:hover>.nav-item:not(:hover)>.nav-sub{visibility:hidden;opacity:0;pointer-events:none}
.nav-sub a{display:block;padding:10px 14px;border-radius:8px;color:var(--ink-2);font-size:clamp(16px,.74vw,19px);line-height:1.5;white-space:nowrap;text-decoration:none}
.nav-sub a:hover,.nav-sub a:focus-visible{background:var(--tint);color:var(--brand);text-decoration:none}

/* 桌機只顯示手機容器內的共用預約按鈕，不複製第二顆。 */
.site-header .mobile-menu,.site-header .mobile-menu[hidden],.site-header .mobile-menu__inner{display:contents}
.site-header .mobile-menu__head,.site-header .mobile-menu__nav{display:none}
.mobile-menu__actions{display:flex;align-items:center;flex:0 0 auto;gap:14px}
.mobile-menu__actions>.btn{width:100%;padding-inline:clamp(8px,.65vw,16px);font-size:clamp(16px,.88vw,19px)}
.menu-toggle{display:none}
.menu-toggle__lines{display:flex;flex-direction:column;gap:4px;width:20px}
.menu-toggle__lines span{display:block;width:20px;height:2px;border-radius:2px;background:currentColor}

@media(max-width:1199px){
  .header-inner{display:block}
  .site-nav__inner{flex-wrap:nowrap;gap:14px}
  .site-header .site-brand{margin-right:auto}
  .site-header .site-brand img{width:52px}
  .site-header .site-brand__name{font-size:22px}
  .site-header .primary-nav,.site-header .header-actions{display:none}
  .site-header .list-link--compact{display:inline-flex;position:relative;width:52px;height:52px;padding:5px 4px 0 0}
  .site-header .menu-toggle{display:inline-flex;width:52px;height:52px;padding:0;margin-left:0}
  .menu-toggle__lines,.menu-toggle__lines span{width:22px}
  .site-header .mobile-menu,.site-header .mobile-menu[hidden]{display:none}
  .site-header .mobile-menu.is-open:not([hidden]){position:fixed;inset:0;z-index:100;display:block;overflow-y:auto;background:var(--white);overscroll-behavior:contain}
  .site-header .mobile-menu__inner{display:flex;flex-direction:column;gap:24px;padding-block:24px 40px;min-height:100dvh}
  .site-header .mobile-menu__head{display:flex;align-items:center;justify-content:space-between;gap:16px}
  .site-header .mobile-menu__nav{display:grid;gap:16px}
  .mobile-menu__nav .btn{width:100%}
  .mobile-menu__actions{display:flex;flex-wrap:wrap;gap:14px}
  .mobile-menu__actions>.btn{font-size:19px;padding-inline:22px}
}
@media(max-width:900px){
  .site-nav__inner{flex-wrap:nowrap}
}
@media(max-width:600px){
  .site-nav__inner{gap:8px;padding-block:12px}
  .site-header .site-brand{gap:6px;min-width:0}
  .site-header .site-brand img{width:36px}
  .site-header .site-brand__name{font-size:18px}
  .site-header .btn{height:52px}
  .site-header .list-link--compact{width:48px;height:48px}
  .list-link--compact svg{width:24px;height:24px;flex-basis:24px}
  .list-link--compact .list-count{top:2px;right:2px;min-width:19px;height:18px;padding-inline:4px;font-size:12px}
  .site-header .menu-toggle{width:48px;height:48px}
  .menu-toggle__lines,.menu-toggle__lines span{width:20px}
  .mobile-menu__actions{display:grid;grid-template-columns:1fr}
}
@media(min-width:1921px){
  .site-nav__inner{padding-block:22px}
}

/* 手機八組導覽，各組的次分類完整換行呈現。 */
@media(max-width:1199px){
  .mobile-menu__group{display:grid;gap:12px;min-width:0}
  .mobile-menu__subnav{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,120px),1fr));gap:10px}
  .site-header .mobile-menu__subnav .btn{min-height:44px;height:auto;padding:10px 12px;font-size:clamp(16px,1.5vw,18px);line-height:1.5;white-space:normal;text-align:center}
}

/* 頁首會員入口（2026-10-04 老闆規格）：放在購物車與橘色預約鈕之間。
   未登入＝立體按鈕「會員登入」、已登入沒頭像＝「會員中心」、有頭像＝圓形頭像（跟購物車鈕同大小、同一套立體外框）；空間不夠時縮成人像＋「會員」。
   手機頂列同樣一顆，手機選單第一項放「會員登入／會員中心」。 */
.member-link{position:relative;box-sizing:border-box;gap:6px;white-space:nowrap}
.member-link svg{width:22px;height:22px;flex:0 0 22px}
.member-link__text{display:inline-flex}
.member-link__short{display:none}
.member-link__avatar{display:none;width:34px;height:34px;flex:0 0 34px;border-radius:50%;object-fit:cover;background:var(--tint);box-shadow:0 0 0 2px var(--white),0 0 0 3px var(--line)}
.member-link.has-avatar .member-link__avatar{display:block}
.member-link.has-avatar svg{display:none}
.site-header .member-link--icon.has-avatar .member-link__text,.site-header .member-link--compact.has-avatar .member-link__text{display:none}
.member-link[aria-current="page"]{--button-edge:var(--brand-d);background:linear-gradient(var(--brand-2),var(--brand));color:var(--white);border-color:rgba(1,78,142,.35);box-shadow:0 1px 0 rgba(255,255,255,.35) inset,0 6px 16px -8px rgba(2,103,185,.55)}
.site-header .member-link--icon{padding:3px 14px 0;font-size:clamp(16px,.88vw,19px);font-weight:800}
.site-header .member-link--icon.has-avatar{width:64px;padding:0}
.member-link--compact,.member-link--menu{display:none}
.fx3d .site-header .member-link--icon{height:48px}
.fx3d .site-header .member-link--icon.has-avatar{width:50px}
@media(min-width:1200px){.fx3d .site-header .member-link--icon{height:50px;border-radius:13px}.fx3d .site-header .member-link--icon.has-avatar{width:52px}}
@media(min-width:1800px){.fx3d .site-header .member-link--icon{height:56px;font-size:20px}}
@media(max-width:1199px){
  .site-header .member-link--compact{display:inline-flex;height:52px;padding:3px 14px 0;font-size:17px;font-weight:800}
  .site-header .member-link--compact.has-avatar{width:52px;padding:0}
  .fx3d .site-header .member-link--compact{border-radius:13px;border-bottom-width:3px}
  .site-header .mobile-menu__nav .member-link--menu{display:flex;grid-column:1/-1;gap:10px;font-weight:800}
  .member-link--menu .member-link__avatar{width:30px;height:30px;flex-basis:30px}
}
@media(max-width:600px){
  .site-header .member-link--compact{height:48px;padding:3px 10px 0;gap:4px;font-size:16px}
  .site-header .member-link--compact.has-avatar{width:48px}
  .fx3d .site-header .member-link--compact{height:44px}
  .fx3d .site-header .member-link--compact.has-avatar{width:44px}
  .member-link--compact .member-link__full{display:none}
  .member-link--compact .member-link__short{display:inline}
  .member-link--compact svg{width:20px;height:20px;flex-basis:20px}
  .member-link--compact .member-link__avatar{width:30px;height:30px;flex-basis:30px}
}
/* 1200～1479 寬桌機頁首較擠：會員鈕縮成人像＋「會員」 */
@media(min-width:1200px) and (max-width:1479px){
  .site-header .member-link--icon{padding-inline:10px;gap:4px}
  .member-link--icon .member-link__full{display:none}
  .member-link--icon .member-link__short{display:inline}
}
/* 同區間導覽鍵內距跟著寬度收、1200～1279 鍵距收到 3px，加了會員鈕後品牌字、導覽鍵、購物車之間仍留 6px 以上 */
@media(min-width:1280px) and (max-width:1479px){.fx3d .site-header .primary-nav .nav-link{padding-inline:clamp(3px,calc(6px + (100vw - 1280px) * .025),.72vw)}}
@media(min-width:1200px) and (max-width:1279px){.fx3d .site-header .nav-menu{gap:3px}}
/* 首頁懸浮頁首比內頁窄：導覽鍵內距收得更多，1200～1279 購物車鈕收到 46px */
@media(min-width:1280px) and (max-width:1479px){.fx3d.fx3d-home .site-header .primary-nav .nav-link{padding-inline:clamp(3px,calc(4px + (100vw - 1280px) * .035),.72vw)}}
@media(min-width:1200px) and (max-width:1279px){.fx3d.fx3d-home .site-header .list-link--icon{width:46px}.fx3d.fx3d-home .site-header .member-link--icon{padding-inline:8px}.fx3d.fx3d-home .site-header .member-link--icon.has-avatar{width:46px}}
/* 1200～1259 寬：導覽鍵字級 15px、內距 3px，避免置中的導覽列壓到品牌字與購物車（2026-10-04 實測 1200 寬重疊 1～10px） */
@media(min-width:1200px) and (max-width:1259px){.fx3d .site-header .primary-nav .nav-link{font-size:15px;padding-inline:3px}}
/* 小螢幕（1199 以下，頁首收成選單時）：會員鈕只留人像圖示、不放文字，做成跟購物車鈕一樣的正方形（老闆 2026-10-04） */
@media(max-width:1199px){.site-header .member-link--compact{width:auto;aspect-ratio:1;padding:0;justify-content:center}.site-header .member-link--compact .member-link__text{display:none}.site-header .member-link--compact svg{width:24px;height:24px;flex-basis:24px}}