/* ==========================================================================
   STRUGGLE ROACH — 品牌页头 / 导航
   只作用于 .sr-nav / .sr-brand-* 命名空间，不覆盖主题既有样式
   ========================================================================== */

.sr-brand-logo {
  display: block;
  width: auto;
  max-width: 100%;
  height: 26px;
  -o-object-fit: contain;
     object-fit: contain;
}
@media (min-width: 900px) {
  .sr-brand-logo { height: 28px; }
}

/* ---------- 桌面导航 ---------- */
.sr-nav {
  display: none;
}
@media (min-width: 900px) {
  .sr-nav {
    display: flex;
    align-items: center;
    gap: 34px;
    list-style: none;
    margin: 0;
    padding: 0 0 0 40px;
  }
  .sr-nav a {
    display: inline-block;
    font-size: 11.5px;
    font-weight: 500;
    letter-spacing: .17em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--sr-nav-ink, #14110f);
    padding: 6px 0;
    position: relative;
    white-space: nowrap;
    transition: color .22s ease;
  }
  .sr-nav a::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 1px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform .28s cubic-bezier(.22,.61,.36,1);
  }
  .sr-nav a:hover::after,
  .sr-nav a[aria-current="page"]::after { transform: scaleX(1); }
}

/* ---------- 移动端抽屉导航 ---------- */
.sr-nav-drawer {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(20,17,15,.12);
}
.sr-nav-drawer li { border-bottom: 1px solid rgba(20,17,15,.12); }
.sr-nav-drawer a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 4px;
  font-size: 12.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--sr-nav-ink, #14110f);
}
.sr-nav-drawer a span { opacity: .34; font-size: 11px; }

/* ---------- 深色页头下的反色 ---------- */
[data-sr-header-dark="true"] .sr-nav a,
[data-sr-header-dark="true"] .sr-nav-drawer a { color: #F5F2EC; }
[data-sr-header-dark="true"] .sr-nav-drawer { border-top-color: rgba(245,242,236,.16); }
[data-sr-header-dark="true"] .sr-nav-drawer li { border-bottom-color: rgba(245,242,236,.16); }

/* ---------- 让主题原有的空菜单不占位 ---------- */
.header__menu-sticky:has(.sr-nav) .header-menu-top:empty { display: none; }