/* TingLanXuan mobile refinement, app.bishaosj.com only.
   Desktop styles and original artwork are intentionally unchanged. */
@media screen and (max-width: 720px) {
  .site-header { overflow: hidden; }
  .header-inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    column-gap: 10px;
    row-gap: 0;
    align-items: center;
    width: 92%;
    min-height: 0;
    gap: 0 10px;
    padding: 9px 0 0;
  }
  .brand {
    grid-column: 1;
    grid-row: 1;
    min-width: 0;
    padding: 0;
    margin: 0;
  }
  .brand-name { font-size: 24px; letter-spacing: 2px; }
  .brand-seal { width: 20px; height: 25px; font-size: 9px; }
  .admin-link {
    grid-column: 2;
    grid-row: 1;
    margin: 0;
    padding: 0;
    font-size: 12px;
    white-space: nowrap;
  }
  .main-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    display: flex;
    flex-wrap: nowrap;
    justify-content: flex-start;
    align-items: center;
    width: 100%;
    min-width: 0;
    gap: 25px;
    overflow-x: auto;
    overflow-y: hidden;
    white-space: nowrap;
    padding: 0;
    margin: 0;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .main-nav::-webkit-scrollbar { display: none; }
  .main-nav a {
    flex: 0 0 auto;
    white-space: nowrap;
    font-size: 14px;
    letter-spacing: 1px;
    padding: 10px 0 11px;
  }
  .hero {
    height: 218px;
    min-height: 218px;
    background-position: center center;
  }
  .hero-center { top: 49%; width: 94%; }
  .hero-title-row { gap: 9px; }
  .hero h1 {
    font-size: clamp(34px, 9vw, 43px);
    line-height: 1.1;
    letter-spacing: 4px;
  }
  .hero-seal {
    width: 24px;
    height: 31px;
    border-width: 1px;
    font-size: 9px;
  }
  .hero-tagline {
    margin: 10px 0 7px;
    font-size: 15px;
    letter-spacing: 2px;
  }
  .hero-rule { width: 54px; margin: 9px auto; }
  .hero-sub {
    font-size: 10px;
    line-height: 1.55;
    letter-spacing: .4px;
  }
  .category-grid {
    grid-template-columns: repeat(5, 190px);
    gap: 10px;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
  }
  .category-card {
    min-height: 148px;
    padding: 18px 16px;
    scroll-snap-align: start;
  }
  .category-name { font-size: 19px; }
}