/* Observed on zoom-world.tw, 2026-09-18. Scoped rules; no global reset. */
@font-face {
  font-family: "isoPOS Orbitron";
  src: url("../assets/fonts/orbitron-bold.ttf") format("truetype");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}
.isopos-header, .isopos-header * { box-sizing: border-box; }
.isopos-header {
  position: static;
  margin: 0;
  padding: 15px;
  background: #f9f9f9;
  color: #333;
  font: 400 15px/1.6 "Noto Sans TC", "Microsoft JhengHei", "PingFang TC", sans-serif;
  text-align: left;
  text-align-last: auto;
}
.isopos-header .isopos-header__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 15px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.isopos-header a { text-decoration: none; transition: color .3s; }
.isopos-header .isopos-header__logo {
  color: #7886a3;
  font: 700 22.5px/36px "isoPOS Orbitron", Orbitron, sans-serif;
  flex-shrink: 0;
}
.isopos-header .isopos-header__links {
  list-style: none;
  display: flex;
  margin: 0;
  padding: 0;
}
.isopos-header .isopos-header__links li { margin: 0 0 0 30px; padding: 0; }
.isopos-header .isopos-header__links a { color: #333; font-weight: 500; }
.isopos-header .isopos-header__links a:hover { color: #7886a3; }
.isopos-header a:focus-visible,
.isopos-header button:focus-visible { outline: 2px solid #7886a3; outline-offset: 5px; }
/* ── 子選單（店家專訪）：桌機 hover/focus 下拉，行動裝置點擊展開 ── */
.isopos-header .isopos-header__item--sub { position: relative; }
.isopos-header .isopos-header__subtoggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  color: #333;
  font: inherit;
  font-weight: 500;
  line-height: inherit;
  cursor: pointer;
  transition: color .3s;
}
.isopos-header .isopos-header__subtoggle:hover,
.isopos-header .isopos-header__subtoggle[aria-expanded="true"] { color: #7886a3; }
.isopos-header .isopos-header__caret {
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  transition: transform .2s;
}
.isopos-header .isopos-header__subtoggle[aria-expanded="true"] .isopos-header__caret { transform: rotate(180deg); }
.isopos-header .isopos-header__submenu {
  position: absolute;
  top: 100%;
  right: 0;
  z-index: 20;
  min-width: 170px;
  margin: 0;
  padding: 8px 0;
  list-style: none;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(74, 84, 105, .16);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity .2s, transform .2s, visibility .2s;
}
.isopos-header .isopos-header__links .isopos-header__submenu li { margin: 0; }
.isopos-header .isopos-header__submenu a { display: block; padding: 8px 18px; white-space: nowrap; }
.isopos-header .isopos-header__item--sub:hover .isopos-header__submenu,
.isopos-header .isopos-header__item--sub:focus-within .isopos-header__submenu,
.isopos-header .isopos-header__subtoggle[aria-expanded="true"] + .isopos-header__submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
/* Official navigation stays visible on mobile; no toggle or sticky header. */
@media (max-width: 768px) {
  .isopos-header .isopos-header__inner { flex-direction: column; align-items: flex-start; }
  .isopos-header .isopos-header__logo { margin-bottom: 15px; }
  .isopos-header .isopos-header__nav { display: block; width: 100%; padding: 7.5px 0; background: #fff; }
  .isopos-header .isopos-header__links { flex-direction: row; justify-content: space-around; width: 100%; flex-wrap: wrap; gap: 4px 8px; }
  .isopos-header .isopos-header__links li { margin: 0; }
  .isopos-header .isopos-header__links a { white-space: nowrap; }
  /* 子選單改為獨立一列的手風琴，原有三個連結仍維持同一列 */
  .isopos-header .isopos-header__links .isopos-header__item--sub {
    position: static;
    flex-basis: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .isopos-header .isopos-header__subtoggle { padding: 6px 0; }
  .isopos-header .isopos-header__submenu {
    position: static;
    display: none;
    width: 100%;
    min-width: 0;
    padding: 2px 0 4px;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    text-align: center;
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: none;
  }
  .isopos-header .isopos-header__subtoggle[aria-expanded="true"] + .isopos-header__submenu {
    display: block;
    transform: none;
  }
  .isopos-header .isopos-header__submenu a { padding: 6px 0; }
}
/* Keep the same three links readable at narrow phone widths and text zoom. */
@media (max-width: 360px) {
  .isopos-header .isopos-header__inner { padding-left: 5px; padding-right: 5px; }
}
@media (prefers-reduced-motion: reduce) { .isopos-header a { transition: none; } }