/* ==========================================================================
   Shaanxi Yixuanyuxin Trade Co., Ltd.
   Computer integrated systems design and industrial services
   Air compressor house theme - floor putty, flange ink, manifold violet
   ========================================================================== */

:root {
  --floor-putty: #ECE9DF;
  --flange-ink: #292A26;
  --manifold-violet: #5A5480;
  --tank-deep: #23252B;
  --gauge-bone: #E2DFD2;
  --drain-steel: #757C80;
  --saddle-sand: #D8CFB8;
  --relief-rose: #B25B6A;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-size: 16px;
  margin: 0;
  padding: 0;
  background-color: #ECE9DF;
  color: #292A26;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  color: #292A26;
  line-height: 1.2;
  margin-top: 0;
}

p {
  margin-top: 0;
}

a {
  color: #5A5480;
  text-decoration: underline;
}

a:hover {
  color: #23252B;
}

img {
  max-width: 100%;
}

.wrap {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   MANIFOLD PIPE NAV
   ========================================================================== */

.manifoldnav {
  background-color: #23252B;
  position: relative;
  padding: 0 0 0 0;
}

.manifoldnav-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 22px 24px 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}

.manifoldnav-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  background-color: #5A5480;
  color: #ECE9DF;
  padding: 12px 20px;
  border-radius: 4px;
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: 17px;
}

.manifoldnav-brand:hover {
  color: #ECE9DF;
}

.manifoldnav-collar {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 3px solid #D8CFB8;
  border-radius: 50%;
}

.manifoldnav-toggle {
  display: none;
  background-color: #5A5480;
  color: #ECE9DF;
  border: 2px solid #D8CFB8;
  border-radius: 4px;
  font-size: 20px;
  padding: 8px 14px;
  cursor: pointer;
  font-family: inherit;
}

.manifoldnav-pipe {
  max-width: 1160px;
  margin: 18px auto 0 auto;
  padding: 0 24px;
  position: relative;
}

.manifoldnav-rail {
  position: relative;
  height: 8px;
  background-color: #757C80;
  border-radius: 4px;
  box-shadow: inset 0 2px 0 #a4aaad, inset 0 -2px 0 #565c60;
}

.manifoldnav-wheels {
  list-style: none;
  margin: 0;
  padding: 0 0 26px 0;
  display: flex;
  justify-content: space-around;
  align-items: flex-end;
  gap: 10px;
}

.manifoldnav-wheel {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: -4px;
}

.manifoldnav-wheel a {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: #5A5480;
  color: #ECE9DF;
  text-decoration: none;
  font-weight: 600;
  font-size: 13px;
  text-align: center;
  border: 4px solid #D8CFB8;
  line-height: 1.15;
  padding: 6px;
}

.manifoldnav-wheel a:hover {
  color: #ECE9DF;
  background-color: #23252B;
  border-color: #B25B6A;
}

.manifoldnav-wheel-a a { width: 72px; height: 72px; }
.manifoldnav-wheel-b a { width: 88px; height: 88px; }
.manifoldnav-wheel-c a { width: 66px; height: 66px; }
.manifoldnav-wheel-d a { width: 82px; height: 82px; }
.manifoldnav-wheel-e a { width: 74px; height: 74px; }

.manifoldnav-spoke {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 60%;
  height: 2px;
  background-color: #D8CFB8;
  transform: translate(-50%, -50%) rotate(45deg);
  pointer-events: none;
}

.manifoldnav-spoke-two {
  transform: translate(-50%, -50%) rotate(-45deg);
}

/* ==========================================================================
   HERO - COMPRESSOR HALL SCENE
   ========================================================================== */

.airhall {
  background-color: #ECE9DF;
  padding: 54px 0 0 0;
}

.airhall-copy {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px 34px 24px;
  position: relative;
}

.airhall-headline {
  font-size: 46px;
  line-height: 1.08;
  margin: 0 0 18px 0;
  max-width: 620px;
  letter-spacing: -0.01em;
}

.airhall-headline span {
  color: #5A5480;
}

.airhall-display {
  font-size: 88px;
  font-weight: 800;
  color: #5A5480;
  letter-spacing: 0.02em;
  display: block;
  line-height: 0.95;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.airhall-lede {
  max-width: 660px;
  font-size: 17px;
  color: #292A26;
}

.airhall-inline-cta {
  display: inline-block;
  margin-top: 8px;
  color: #5A5480;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid #5A5480;
}

.airhall-inline-cta:hover {
  color: #23252B;
  border-bottom-color: #23252B;
}

.airhall-band {
  position: relative;
  background-color: #E2DFD2;
  border-top: 6px solid #23252B;
  border-bottom: 6px solid #23252B;
  padding: 30px 0 0 0;
  overflow: hidden;
}

.airhall-scene {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.15fr 0.95fr 1fr;
  gap: 20px;
  align-items: end;
  min-height: 250px;
}

/* Receiver tank with saddle legs and gauge */
.hall-tank {
  position: relative;
  padding-bottom: 74px;
}

.hall-tank-body {
  position: relative;
  height: 96px;
  background-color: #757C80;
  border-radius: 48px;
  box-shadow: inset 0 12px 0 #a4aaad, inset 0 -12px 0 #565c60;
}

.hall-tank-end {
  position: absolute;
  right: -6px;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background-color: #565c60;
  border: 5px solid #D8CFB8;
}

.hall-tank-gauge {
  position: absolute;
  left: 24px;
  top: -30px;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background-color: #E2DFD2;
  border: 6px solid #292A26;
  z-index: 3;
}

.hall-tank-needle {
  position: absolute;
  left: 50%;
  bottom: 50%;
  width: 24px;
  height: 4px;
  background-color: #B25B6A;
  transform-origin: left center;
  transform: rotate(-38deg);
  border-radius: 2px;
}

.hall-tank-hub {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #292A26;
}

.hall-tank-stem {
  position: absolute;
  left: 48px;
  top: 22px;
  width: 4px;
  height: 22px;
  background-color: #292A26;
}

.hall-tank-relief {
  position: absolute;
  right: 46px;
  top: -26px;
  width: 18px;
  height: 26px;
  background-color: #757C80;
  border-radius: 3px;
}

.hall-tank-relief-cap {
  position: absolute;
  right: 40px;
  top: -42px;
  width: 30px;
  height: 20px;
  background-color: #B25B6A;
  border-radius: 50% 50% 4px 4px;
  z-index: 3;
}

.hall-tank-saddle {
  position: absolute;
  bottom: 0;
  width: 22px;
  height: 74px;
  background-color: #D8CFB8;
  border-left: 4px solid #b8ad92;
  border-right: 4px solid #b8ad92;
}

.hall-tank-saddle-one { left: 34px; }
.hall-tank-saddle-two { right: 46px; }

/* Compressor unit with belt guard and motor */
.hall-compressor {
  position: relative;
  padding-bottom: 74px;
}

.hall-compressor-body {
  position: relative;
  height: 82px;
  background-color: #5A5480;
  border-radius: 6px;
  box-shadow: inset 0 8px 0 #6f6a92, inset 0 -8px 0 #46415f;
}

.hall-compressor-guard {
  position: absolute;
  left: 12px;
  top: 14px;
  width: 88px;
  height: 54px;
  border-radius: 27px;
  background-color: #D8CFB8;
  border: 4px solid #292A26;
}

.hall-compressor-pulley {
  position: absolute;
  left: 22px;
  top: 24px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background-color: #757C80;
  border: 4px solid #23252B;
}

.hall-compressor-motor {
  position: absolute;
  right: 16px;
  top: 22px;
  width: 74px;
  height: 40px;
  background-color: #23252B;
  border-radius: 4px;
  box-shadow: inset 0 6px 0 #3a3d44;
}

.hall-compressor-foot {
  position: absolute;
  bottom: 0;
  width: 26px;
  height: 74px;
  background-color: #D8CFB8;
  border-left: 4px solid #b8ad92;
  border-right: 4px solid #b8ad92;
}

.hall-compressor-foot-one { left: 26px; }
.hall-compressor-foot-two { right: 30px; }

/* Twin dryer towers with drop leg */
.hall-dryer {
  position: relative;
  padding-bottom: 74px;
  height: 100%;
}

.hall-dryer-tower {
  position: absolute;
  bottom: 74px;
  width: 46px;
  border-radius: 20px 20px 0 0;
  background-color: #757C80;
  box-shadow: inset 6px 0 0 #a4aaad, inset -6px 0 0 #565c60;
}

.hall-dryer-tower-one { left: 8px; height: 118px; }
.hall-dryer-tower-two { left: 70px; height: 138px; }

.hall-dryer-ring {
  position: absolute;
  left: 0;
  right: 0;
  height: 8px;
  background-color: #D8CFB8;
}

.hall-dryer-ring-a { top: 70px; }
.hall-dryer-ring-b { top: 100px; }

.hall-dryer-main {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 8px;
  background-color: #5A5480;
  border-radius: 4px;
  box-shadow: inset 0 2px 0 #6f6a92, inset 0 -2px 0 #46415f;
}

.hall-dryer-drop {
  position: absolute;
  top: 6px;
  left: 130px;
  width: 8px;
  height: 96px;
  background-color: #5A5480;
  border-radius: 4px;
}

.hall-dryer-handwheel {
  position: absolute;
  top: 96px;
  left: 116px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: #5A5480;
  border: 5px solid #D8CFB8;
}

.airhall-cta-bar {
  display: block;
  background-color: #5A5480;
  color: #ECE9DF;
  text-decoration: none;
  text-align: center;
  font-weight: 700;
  font-size: 19px;
  padding: 20px 24px;
  letter-spacing: 0.02em;
  margin-top: 26px;
  border-top: 6px solid #23252B;
}

.airhall-cta-bar:hover {
  color: #ECE9DF;
  background-color: #23252B;
}

.airhall-cta-bar span {
  margin-left: 10px;
}

/* ==========================================================================
   INTRO / VALUE PROSE
   ========================================================================== */

.hall-intro {
  background-color: #ECE9DF;
  padding: 60px 0 20px 0;
}

.hall-intro-grid {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
}

.hall-intro h2 {
  font-size: 32px;
  margin-bottom: 18px;
}

.hall-intro p {
  font-size: 17px;
  margin-bottom: 16px;
}

.hall-intro-aside {
  background-color: #E2DFD2;
  border: 3px solid #292A26;
  border-radius: 4px;
  padding: 24px;
}

.hall-intro-aside h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.hall-intro-aside ul {
  margin: 0;
  padding-left: 20px;
}

.hall-intro-aside li {
  margin-bottom: 10px;
}

/* ==========================================================================
   SERVICE PLATE WALL
   ========================================================================== */

.platewall {
  background-color: #D8CFB8;
  padding: 64px 0;
  border-top: 6px solid #23252B;
  border-bottom: 6px solid #23252B;
}

.platewall-head {
  max-width: 1160px;
  margin: 0 auto 36px auto;
  padding: 0 24px;
}

.platewall-head h2 {
  font-size: 34px;
  margin-bottom: 10px;
}

.platewall-head p {
  font-size: 17px;
  max-width: 780px;
}

.platewall-board {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.plate {
  background-color: #E2DFD2;
  border: 3px solid #292A26;
  border-radius: 3px;
  padding: 22px 26px;
  position: relative;
  box-shadow: 0 3px 0 #b8ad92;
}

.plate h3 {
  font-size: 21px;
  margin-bottom: 8px;
  padding-right: 60px;
}

.plate p {
  font-size: 16px;
  margin-bottom: 8px;
}

.plate-link {
  font-weight: 700;
  color: #5A5480;
}

.plate-screw {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: #757C80;
  border: 2px solid #292A26;
}

.plate-screw-one { top: 12px; right: 14px; }
.plate-screw-two { bottom: 12px; right: 14px; }

.plate-mark {
  position: absolute;
  top: 14px;
  right: 40px;
  font-family: "Courier New", monospace;
  font-weight: 700;
  font-size: 18px;
  color: #23252B;
}

.plate-glyph {
  position: absolute;
  bottom: 10px;
  left: 12px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: #5A5480;
  border: 3px solid #D8CFB8;
}

.plate-glyph-rose {
  background-color: #B25B6A;
  border-radius: 50% 50% 3px 3px;
}

.plate-w-1 { width: 72%; align-self: flex-start; }
.plate-w-2 { width: 88%; align-self: flex-end; }
.plate-w-3 { width: 64%; align-self: flex-start; }
.plate-w-4 { width: 84%; align-self: center; }
.plate-w-5 { width: 78%; align-self: flex-start; }
.plate-w-6 { width: 90%; align-self: flex-end; }

/* ==========================================================================
   BLOW-DOWN NOTICE BAND
   ========================================================================== */

.blowdown {
  background-color: #23252B;
  padding: 22px 0;
}

.blowdown-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 18px;
}

.blowdown-wheel {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background-color: #5A5480;
  border: 4px solid #D8CFB8;
  position: relative;
}

.blowdown-text {
  color: #757C80;
  font-size: 16px;
  margin: 0;
}

/* ==========================================================================
   PROCESS / OPERATIONS
   ========================================================================== */

.hallops {
  background-color: #ECE9DF;
  padding: 64px 0;
}

.hallops-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.hallops h2 {
  font-size: 32px;
  margin-bottom: 14px;
}

.hallops-lede {
  font-size: 17px;
  max-width: 820px;
  margin-bottom: 30px;
}

.hallops-steps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.hallops-step {
  background-color: #E2DFD2;
  border-left: 8px solid #5A5480;
  padding: 22px 24px;
}

.hallops-step h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.hallops-step p {
  margin-bottom: 0;
  font-size: 16px;
}

/* ==========================================================================
   SECTOR / CTA PANEL
   ========================================================================== */

.hall-close {
  background-color: #D8CFB8;
  padding: 56px 0;
  border-top: 6px solid #23252B;
}

.hall-close-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 40px;
  align-items: center;
}

.hall-close h2 {
  font-size: 30px;
  margin-bottom: 14px;
}

.hall-close p {
  font-size: 17px;
  margin-bottom: 14px;
}

.hall-close-panel {
  background-color: #E2DFD2;
  border: 3px solid #23252B;
  padding: 26px;
}

.hall-close-panel h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.hall-close-panel ul {
  margin: 0 0 16px 0;
  padding-left: 20px;
}

.hall-close-panel li {
  margin-bottom: 8px;
}

.hall-close-btn {
  display: inline-block;
  background-color: #5A5480;
  color: #ECE9DF;
  text-decoration: none;
  font-weight: 700;
  padding: 14px 24px;
  border-radius: 4px;
}

.hall-close-btn:hover {
  color: #ECE9DF;
  background-color: #23252B;
}

/* ==========================================================================
   RING MAIN FOOTER
   ========================================================================== */

.ringfoot {
  background-color: #23252B;
  color: #ECE9DF;
  padding: 0 0 0 0;
}

.ringfoot-pipe {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  height: 40px;
}

.ringfoot-main {
  position: absolute;
  top: 18px;
  left: 24px;
  right: 24px;
  height: 8px;
  background-color: #757C80;
  border-radius: 4px;
}

.ringfoot-drop {
  position: absolute;
  top: 18px;
  width: 8px;
  height: 22px;
  background-color: #757C80;
  border-radius: 4px;
}

.ringfoot-drop-one { left: 22%; }
.ringfoot-drop-two { left: 74%; }

.ringfoot-handwheel {
  position: absolute;
  top: 30px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background-color: #5A5480;
  border: 4px solid #D8CFB8;
}

.ringfoot-handwheel-one { left: calc(22% - 9px); }
.ringfoot-handwheel-two { left: calc(74% - 9px); }

.ringfoot-body {
  max-width: 1160px;
  margin: 0 auto;
  padding: 20px 24px 34px 24px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
}

.ringfoot-brandplate {
  background-color: #E2DFD2;
  color: #292A26;
  padding: 20px 22px;
  border-radius: 3px;
}

.ringfoot-brandplate h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.ringfoot-brandplate p {
  font-size: 15px;
  margin-bottom: 0;
}

.ringfoot-colhead {
  color: #E2DFD2;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 12px;
  position: relative;
  padding-left: 18px;
}

.ringfoot-drip {
  position: absolute;
  left: 0;
  top: 2px;
  width: 6px;
  height: 14px;
  background-color: #5A5480;
  border-radius: 3px;
}

.ringfoot-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.ringfoot-col li {
  margin-bottom: 9px;
}

.ringfoot-col a {
  color: #ECE9DF;
  text-decoration: none;
}

.ringfoot-col a:hover {
  color: #D8CFB8;
  text-decoration: underline;
}

.ringfoot-strip {
  background-color: #1b1d21;
  color: #E2DFD2;
  padding: 14px 0;
}

.ringfoot-strip-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  align-items: center;
  font-size: 14px;
}

.ringfoot-yearwheel {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: #5A5480;
  border: 3px solid #D8CFB8;
  margin-right: 6px;
  vertical-align: middle;
}

/* ==========================================================================
   GENERIC SECTION HELPERS
   ========================================================================== */

.page-head {
  background-color: #23252B;
  color: #ECE9DF;
  padding: 46px 0;
}

.page-head-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.page-head h1 {
  color: #ECE9DF;
  font-size: 38px;
  margin-bottom: 12px;
}

.page-head p {
  color: #E2DFD2;
  font-size: 17px;
  max-width: 820px;
  margin-bottom: 0;
}

.section-plain {
  background-color: #ECE9DF;
  padding: 56px 0;
}

.section-bone {
  background-color: #E2DFD2;
  padding: 56px 0;
  border-top: 6px solid #23252B;
}

.section-sand {
  background-color: #D8CFB8;
  padding: 56px 0;
  border-top: 6px solid #23252B;
}

.section-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.prose h2 {
  font-size: 28px;
  margin-top: 34px;
  margin-bottom: 12px;
}

.prose h3 {
  font-size: 21px;
  margin-top: 24px;
  margin-bottom: 8px;
}

.prose p {
  font-size: 17px;
  margin-bottom: 14px;
}

.prose ul {
  margin: 0 0 16px 0;
  padding-left: 22px;
}

.prose li {
  margin-bottom: 8px;
}

/* Services detailed layout */
.svc-block {
  background-color: #E2DFD2;
  padding: 30px 32px;
  margin-bottom: 26px;
  border-left: 10px solid #5A5480;
}

.svc-block h3 {
  font-size: 23px;
  margin-bottom: 10px;
}

.svc-block p {
  font-size: 17px;
  margin-bottom: 12px;
}

.svc-index {
  font-family: "Courier New", monospace;
  color: #757C80;
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 14px;
  display: inline-block;
  margin-bottom: 6px;
}

/* Contact layout */
.contact-grid {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 42px;
}

.contact-form label {
  display: block;
  font-weight: 700;
  margin-bottom: 6px;
  margin-top: 16px;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 12px 14px;
  font-size: 16px;
  font-family: inherit;
  color: #292A26;
  background-color: #ECE9DF;
  border: 2px solid #292A26;
  border-radius: 3px;
}

.contact-form textarea {
  min-height: 150px;
  resize: vertical;
}

.contact-form button {
  margin-top: 20px;
  background-color: #5A5480;
  color: #ECE9DF;
  border: none;
  padding: 14px 28px;
  font-size: 17px;
  font-weight: 700;
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
}

.contact-form button:hover {
  background-color: #23252B;
}

.contact-side {
  background-color: #E2DFD2;
  border: 3px solid #23252B;
  padding: 26px;
  align-self: start;
}

.contact-side h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.contact-side p {
  font-size: 16px;
  margin-bottom: 10px;
}

.contact-side a {
  color: #5A5480;
  font-weight: 700;
}

.faq-item {
  background-color: #ECE9DF;
  border: 3px solid #292A26;
  padding: 20px 22px;
  margin-bottom: 18px;
}

.faq-item h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.faq-item p {
  margin-bottom: 0;
  font-size: 16px;
}

/* Scroll reveal */
.reveal {
  transform: translateY(18px);
}

.reveal.is-in {
  transform: none;
  transition: transform 500ms ease;
}

/* Mobile */
@media (max-width: 900px) {
  .manifoldnav-toggle { display: block; }
  .manifoldnav-pipe { display: none; }
  .manifoldnav-pipe.is-open { display: block; }
  .manifoldnav-wheels {
    flex-direction: column;
    align-items: stretch;
  }
  .manifoldnav-wheel { margin-top: 0; }
  .manifoldnav-wheel a {
    width: 100% !important;
    height: auto !important;
    border-radius: 4px;
    padding: 14px;
  }
  .airhall-display { font-size: 58px; }
  .airhall-headline { font-size: 34px; }
  .airhall-scene {
    grid-template-columns: 1fr;
    gap: 34px;
  }
  .hall-intro-grid,
  .hall-close-inner,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .hallops-steps {
    grid-template-columns: 1fr;
  }
  .ringfoot-body {
    grid-template-columns: 1fr;
    gap: 26px;
  }
  .plate-w-1, .plate-w-2, .plate-w-3,
  .plate-w-4, .plate-w-5, .plate-w-6 {
    width: 100%;
    align-self: stretch;
  }
}