/* 首页移动端导航；桌面继续使用原有入口。 */
#mobileAccountBtn,
#mobileAccountMenu,
#mobileRedeemBtn {
  display: none;
}

@media (max-width: 800px) {
  .header {
    height: 83px;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    padding-top: 0;
    padding-bottom: 0;
  }
  .header .brand {
    flex-shrink: 0;
    white-space: nowrap;
  }
  .header nav {
    width: auto;
    flex-wrap: nowrap;
    justify-content: flex-end;
    gap: 8px;
  }
  .header nav > :not(#shareOpenBtn):not(#freeQuotaOpenBtn):not(#mobileAccountBtn) {
    display: none;
  }
  #shareOpenBtn,
  #freeQuotaOpenBtn,
  #mobileAccountBtn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    padding: 0;
  }
  #shareOpenBtn .share-open-label,
  #freeQuotaOpenBtn .free-quota-label {
    display: none;
  }
  #freeQuotaOpenBtn .free-quota-icon {
    width: 22px;
    height: 22px;
  }
  #mobileAccountBtn {
    font-size: 27px;
  }
  #mobileAccountMenu:popover-open {
    display: grid;
  }
  #mobileAccountMenu {
    position: absolute;
    inset: 72px 32px auto auto;
    width: 176px;
    max-width: calc(100vw - 34px);
    margin: 0;
    padding: 6px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--bg);
    color: var(--ink);
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1),
      0 2px 4px -2px rgb(0 0 0 / 0.1);
  }
  #mobileAccountMenu > * {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 10px 14px;
    border-radius: 8px;
    background: transparent;
    color: inherit;
    font-size: 14px;
    text-align: left;
  }
  #mobileAccountMenu > :hover,
  #mobileAccountMenu > :focus-visible {
    background: var(--accent-light);
    color: var(--accent);
  }
  #mobileAccountMenu > :focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: -2px;
  }
  #mobileRedeemBtn {
    display: inline-block;
  }
}

@media (max-width: 600px) {
  #mobileAccountMenu {
    right: 17px;
  }
}