@media (max-width: 1100px) {
  .city-panel { left: 0; }
  .container { width: min(calc(100% - 40px), var(--container)); }
  .desktop-nav, .account-link { display: none; }
  .menu-toggle { display: block; }
  .header-inner { height: 74px; }
  .header-actions { margin-left: auto; }
  .site-header,
  .site-header.is-scrolled {
    background: #fff;
    box-shadow: none;
    color: var(--color-ink);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
  .has-portal-banner .site-header.site-header--inner:not(.is-scrolled) {
    background: #fff;
    color: var(--color-ink);
  }
  .has-portal-banner .portal-main,
  .has-portal-banner .inner-main {
    padding-top: 74px;
  }
  body.menu-open .site-header {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
  body.menu-open,
  body.city-open { overflow: hidden; }
  .header-overlay {
    position: fixed;
    z-index: 1;
    inset: 74px 0 0;
    display: block;
    background: rgba(8,18,31,.46);
    border: 0;
    pointer-events: auto;
  }
  .mobile-menu {
    position: fixed;
    z-index: 2;
    top: 74px;
    right: 0;
    bottom: 0;
    display: flex;
    width: min(360px, 88vw);
    height: calc(100vh - 74px);
    height: calc(100dvh - 74px);
    padding: 22px 24px calc(24px + env(safe-area-inset-bottom));
    transform: translateX(102%);
    flex-direction: column;
    overflow-y: auto;
    overscroll-behavior: contain;
    background: #fff;
    color: var(--color-ink);
    box-shadow: -18px 0 50px rgba(8,18,31,.16);
    visibility: hidden;
    pointer-events: none;
    transition: transform var(--duration), visibility 0s linear var(--duration);
  }
  .mobile-menu[data-open="true"] { transform: translateX(0); visibility: visible; pointer-events: auto; transition-delay: 0s; }
  .mobile-menu__header { padding-bottom: 18px; border-bottom: 1px solid var(--color-line); }
  .mobile-menu__header strong { font-size: 20px; }
  .mobile-menu nav { display: flex; margin: 12px 0 24px; flex: 1; flex-direction: column; }
  .mobile-menu nav a { position: relative; padding: 13px 14px; border-radius: 8px; color: var(--color-ink-soft); font-size: 1rem; }
  .mobile-menu nav a[aria-current="page"] { color: var(--color-ink); background: var(--color-paper); font-weight: 700; }
  .mobile-menu nav a[aria-current="page"]::before { position: absolute; top: 13px; bottom: 13px; left: 0; width: 3px; background: var(--color-accent); border-radius: 2px; content: ""; }
  .hero-copy { width: 70%; }
  .search-fields { grid-template-columns: repeat(2, 1fr) 150px; row-gap: 18px; }
  .search-field:nth-child(3) { padding-left: 0; border-left: 0; }
  .search-submit { grid-column: 3; grid-row: 1 / 3; }
  .project-grid { grid-template-columns: 1fr 1fr; grid-template-rows: 390px 260px 260px; }
  .project-card:first-child { grid-column: 1 / 3; grid-row: auto; }
  .map-layout { grid-template-columns: 42% 58%; }
  .map-copy { padding-right: 35px; }
  .scenario-grid { grid-template-columns: repeat(2, 1fr); border-bottom: 0; }
  .scenario-card { border-bottom: 1px solid var(--color-line); }
  .service-flow { grid-template-columns: repeat(3, 1fr); row-gap: 38px; }
  .service-flow::before { display: none; }
  .brand-section { grid-template-columns: 42% 58%; }
  .brand-stats { grid-template-columns: repeat(2, 1fr); }
  .community-grid { grid-template-columns: 1.35fr 1fr; }
  .community-card:last-child { grid-column: 1 / 3; min-height: 310px; }
  .footer-main { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer-main > :last-child { grid-column: 2 / 4; }
  .inner-main { padding-top: 74px; }
  .filter-section { top: 74px; }
  .mobile-filter-trigger { display: flex; width: 100%; min-height: 58px; align-items: center; justify-content: space-between; border: 0; background: #fff; font-weight: 600; }
  body.filter-open { overflow: hidden; }
  .filter-overlay { position: fixed; z-index: 109; inset: 0; display: block; background: rgba(8,18,31,.48); opacity: 0; pointer-events: none; transition: opacity var(--duration); }
  body.filter-open .filter-overlay { opacity: 1; pointer-events: auto; }
  .property-filters { position: fixed; z-index: 110; right: 0; bottom: 0; left: 0; display: grid; max-height: 84vh; padding: 24px 24px calc(20px + env(safe-area-inset-bottom)); transform: translateY(102%); grid-template-columns: repeat(2,1fr); gap: 12px; overflow-y: auto; background: #fff; box-shadow: 0 -20px 70px rgba(8,18,31,.22); transition: transform var(--duration); }
  .property-filters.is-open { transform: translateY(0); }
  .filter-drawer-head { display: flex; grid-column: 1 / 3; align-items: center; justify-content: space-between; }
  .filter-drawer-head div { display: flex; flex-direction: column; }
  .filter-drawer-head span { color: var(--color-accent); font-size: .6rem; letter-spacing: .18em; }
  .filter-drawer-head strong { font-size: 1.35rem; }
  .filter-drawer-head button { width: 44px; height: 44px; border: 0; background: var(--color-paper); font-size: 1.4rem; }
  .property-filters label,.property-filters label:first-child { padding: 13px 14px; border: 1px solid var(--color-line); }
  .property-filters > .filter-reset { display: none; }
  .filter-drawer-actions { display: grid; grid-column: 1 / 3; grid-template-columns: .7fr 1.3fr; gap: 10px; }
  .filter-drawer-actions button { min-height: 52px; border: 1px solid var(--color-line); background: #fff; font-weight: 600; }
  .filter-drawer-actions button:last-child { border-color: var(--color-ink); background: var(--color-ink); color: #fff; }
  .property-list { grid-template-columns: 1fr; }
  .detail-gallery { height: 520px; }
  .room-card { grid-template-columns: 220px 1fr; }
  .room-action { align-items: center; grid-column: 1 / 3; flex-direction: row; justify-content: space-between; border-top: 1px solid var(--color-line); border-left: 0; }
  .room-action > div { margin: 0; }
  .booking-layout { grid-template-columns: .75fr 1.25fr; }
  .booking-form-panel,.booking-success { padding: 38px 32px; }
}

@media (max-width: 760px) {
  .city-panel {
    position: fixed;
    z-index: 3;
    inset: auto 0 0;
    width: auto;
    padding: 22px 20px calc(24px + env(safe-area-inset-bottom));
    border: 0;
    border-radius: 22px 22px 0 0;
    box-shadow: 0 -18px 55px rgba(8,18,31,.2);
  }
  .city-options { gap: 15px; }
  .city-group { grid-template-columns: 1fr; gap: 7px; }
  .city-group__initial { padding: 0 2px; }
  .city-group__grid { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px; }
  .city-options button { min-width: 0; padding: 14px 10px; text-align: center; }
  .city-options button[aria-pressed="true"]::after { top: 6px; right: 8px; transform: none; }

  .container { width: min(calc(100% - 32px), var(--container)); }
  .section { padding: 76px 0; }
  .city-trigger { min-height: 38px; margin-left: auto; padding: 6px 10px; white-space: nowrap; border-radius: 999px; }
  .header-actions { margin-left: 0; }
  .brand-copy small { display: none; }
  .hero { height: auto; min-height: 760px; }
  .hero-inner { display: block; padding-top: 142px; padding-bottom: 40px; }
  .hero-copy { width: 100%; padding: 0; }
  .hero-copy h1 { font-size: clamp(2.65rem, 12vw, 4rem); }
  .hero-lead { max-width: 93%; font-size: .94rem; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 20px; }
  .hero-carousel-controls { top: 88px; right: 16px; bottom: auto; }
  .hero-carousel-arrow { width: 44px; height: 44px; }
  .hero-carousel-dot { width: 32px; height: 44px; }
  .hero-carousel-dot.is-active { width: 42px; }
  .home-search { position: relative; right: auto; bottom: auto; left: auto; margin-top: 34px; padding: 22px 20px; }
  .search-heading { align-items: flex-start; flex-direction: column; }
  .search-heading p { margin-top: 6px; }
  .search-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .search-field, .search-field:first-child, .search-field:nth-child(3) { padding: 10px 12px; border: 1px solid var(--color-line); }
  .search-submit { min-height: 54px; grid-column: 1 / 3; grid-row: auto; }
  .hero-scroll { display: none; }
  .heading-row { align-items: flex-start; flex-direction: column; }
  .heading-row > .text-link { margin-top: 20px; }
  .section-heading { margin-bottom: 38px; }
  .project-grid { display: grid; grid-template-columns: 1fr; grid-template-rows: none; }
  .project-card, .project-card:first-child { min-height: 360px; grid-column: auto; grid-row: auto; }
  .project-card:nth-child(n+4) { display: none; }
  .map-layout { display: flex; flex-direction: column; }
  .map-copy { padding: 0 0 42px; }
  .map-visual { width: 100%; height: 420px; }
  .map-card { right: 14px; bottom: 14px; left: 14px; width: auto; }
  .scenario-grid { grid-template-columns: 1fr; }
  .scenario-card { min-height: auto; padding: 28px 22px; }
  .scenario-icon { margin: 24px 0 18px; }
  .heading-row--light > p { margin-top: 16px; }
  .service-flow { grid-template-columns: repeat(2, 1fr); }
  .service-step { padding-inline: 8px; }
  .service-actions { flex-direction: column; }
  .brand-section { display: flex; flex-direction: column; }
  .brand-photo { min-height: 440px; }
  .brand-content { padding: 70px 24px; }
  .brand-stats { gap: 24px; }
  .community-grid { display: flex; margin-right: -16px; overflow-x: auto; scroll-snap-type: x mandatory; }
  .community-card, .community-card:first-child, .community-card:last-child { min-width: 82vw; min-height: 410px; scroll-snap-align: start; }
  .news-grid { grid-template-columns: 1fr; }
  .news-card, .news-card + .news-card { padding: 26px 0; border-right: 0; border-bottom: 1px solid var(--color-line); }
  .news-card h3 { min-height: auto; margin-top: 17px; }
  .footer-cta-inner { align-items: flex-start; flex-direction: column; }
  .footer-cta-actions { align-items: flex-start; flex-direction: column; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 40px 24px; }
  .footer-brand { grid-column: 1 / 3; }
  .footer-main > :last-child { grid-column: 1 / 3; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 12px; }
  .listing-hero { padding: 48px 0; }
  .listing-hero h1 { font-size: 2.55rem; }
  .breadcrumbs { margin-bottom: 30px; }
  .property-filters { grid-template-columns: 1fr; }
  .filter-drawer-head,.filter-drawer-actions { grid-column: 1; }
  .results-section { padding: 35px 0 75px; }
  .results-toolbar { align-items: flex-start; flex-direction: column; gap: 18px; }
  .results-controls { width: 100%; justify-content: space-between; }
  .listing-card { display: block; }
  .listing-image { display: block; min-height: 270px; }
  .property-map-panel { display: flex; flex-direction: column; }
  .result-map { min-height: 440px; }
  .map-side-list { max-height: none; }
  .detail-title { align-items: flex-start; flex-direction: column; }
  .detail-price { width: 100%; min-width: 0; }
  .project-media__toolbar { align-items: flex-start; flex-direction: column; gap: 16px; }
  .project-media__tabs { width: 100%; overflow-x: auto; border-radius: 14px; }
  .project-media__tabs button { flex: 1 0 auto; }
  .project-media__stage,.project-media__panel { min-height: 0; height: 430px; }
  .detail-gallery { display: flex; height: 100%; gap: 8px; overflow-x: auto; scroll-snap-type: x mandatory; }
  .detail-gallery button,.detail-gallery button:first-child,.detail-gallery button:only-child,.detail-gallery button:nth-child(2):last-child { display: block; width: 88%; height: 100%; flex: 0 0 88%; scroll-snap-align: start; }
  .detail-gallery button img { width: 100%; height: 100%; }
  .detail-section { padding: 72px 0; }
  .detail-two-column { grid-template-columns: 1fr; gap: 35px; }
  .detail-summary-card { position: static; }
  .surrounding-grid { grid-template-columns: 1fr 1fr; }
  .surrounding-grid article { min-height: 130px; border-bottom: 1px solid var(--color-line); }
  .room-card { display: block; }
  .room-visual,.room-info,.room-action { padding: 25px; }
  .room-facts { grid-template-columns: 1fr 1fr; }
  .room-action { display: flex; align-items: stretch; flex-direction: column; }
  .room-action > div { margin-bottom: 14px; }
  .fee-layout { grid-template-columns: 1fr; gap: 30px; }
  .recommend-grid { grid-template-columns: 1fr; }
  .mobile-booking-bar { position: fixed; z-index: 80; right: 0; bottom: 0; left: 0; display: flex; padding: 10px 16px calc(10px + env(safe-area-inset-bottom)); align-items: center; justify-content: space-between; background: #fff; box-shadow: 0 -8px 30px rgba(23,36,61,.12); }
  body:has(.mobile-booking-bar:not([hidden])) .site-footer { padding-bottom: 82px; }
  .mobile-booking-bar > div { display: flex; flex-direction: column; }
  .mobile-booking-bar span { color: var(--color-ink-soft); font-size: .65rem; }
  .mobile-booking-bar strong { font-size: .9rem; }
  .booking-layout { display: flex; padding-top: 40px; flex-direction: column; }
  .booking-summary { position: static; padding: 0; }
  .booking-form-panel,.booking-success { width: 100%; padding: 30px 20px; }
  .field-grid { grid-template-columns: 1fr; }
  .form-field--wide { grid-column: auto; }
  .booking-steps { margin-bottom: 10px; }
  .selected-home { grid-template-columns: 115px 1fr; }
  .selected-home img { height: 145px; }
  .success-actions { align-items: stretch; flex-direction: column; }
  .gallery-dialog { padding: 70px 16px 30px; }
  .gallery-dialog figure { height: 68vh; }
  .gallery-thumbnails { width: 100%; }
  .gallery-arrow { top: auto; bottom: 24px; transform: none; }
  .gallery-arrow--prev { left: 25%; }
  .gallery-arrow--next { right: 25%; }
}

@media (max-width: 430px) {
  .city-group__grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .map-visual,.result-map { height: 480px; min-height: 480px; overscroll-behavior: contain; }
  .map-base { touch-action: pan-y pinch-zoom; }
  .map-card,.result-map-card { right: 0; bottom: 0; left: 0; width: auto; max-height: 160px; padding: 14px 16px; overflow-y: auto; overscroll-behavior: contain; }
  .amap-project-controls { top: 12px; right: 12px; max-width: calc(100% - 24px); flex-wrap: wrap; justify-content: flex-end; }
  .amap-project-count { flex-basis: 100%; width: max-content; margin-left: auto; text-align: center; }
  .project-media { width: 100%; margin-top: 24px; }
  .project-media__toolbar { width: min(calc(100% - 32px),var(--container)); margin-right: auto; margin-left: auto; }
  .project-media__stage,.project-media__panel { height: 390px; }
  .panorama-actions { top: 12px; right: 12px; left: 12px; flex-wrap: wrap; }
  .panorama-actions button { min-height: 40px; padding: 7px 11px; }
  .panorama-viewer__hint { bottom: 16px; white-space: nowrap; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}