:root {
  color-scheme: dark;
  --pf-bg: #05090e;
  --pf-surface: rgba(7, 13, 19, 0.74);
  --pf-surface-strong: rgba(5, 10, 15, 0.91);
  --pf-text: #edf5f7;
  --pf-muted: #9aabb2;
  --pf-line: rgba(189, 220, 226, 0.19);
  --pf-accent: #7de7eb;
  --pf-header-height: 76px;
  --pf-radius: 16px;
  --pf-ease: cubic-bezier(.16, 1, .3, 1);
  --pf-type-display: clamp(44px, 4.8vw, 72px);
  --pf-type-heading: clamp(32px, 3.5vw, 52px);
  --pf-type-subheading: clamp(28px, 2.9vw, 44px);
  --pf-type-body: clamp(16px, 1.12vw, 18px);
  --pf-type-small: 14px;
  --pf-type-label: 12px;
  --pf-leading-display: 1.12;
  --pf-leading-heading: 1.2;
  --pf-leading-body: 1.7;
  --pf-tracking-display: -.015em;
  --pf-tracking-heading: -.01em;
  font-family: "Segoe UI Variable", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  background: var(--pf-bg);
  color: var(--pf-text);
  scroll-behavior: smooth;
  scrollbar-color: rgba(125, 231, 235, .42) #071016;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: clip;
  background: var(--pf-bg);
  color: var(--pf-text);
  font-size: 16px;
  line-height: var(--pf-leading-body);
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 80;
  pointer-events: none;
  opacity: .13;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.86' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.32'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}

a { color: inherit; }
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img, video { display: block; max-width: 100%; }

:focus-visible {
  outline: 2px solid var(--pf-accent);
  outline-offset: 4px;
}

/* Native chapter links clear the fixed header without adding layout space. */
.pf-enterprise-site main :is(.pf-scene, .pf-scroll-world, .pf-horizontal-world, .pf-character-world)[id] {
  scroll-margin-top: var(--pf-header-height);
}

/* VR chapters: natural document flow first; one sticky film stage is an enhancement. */
.pf-spatial-journey { position: relative; isolation: isolate; background: var(--pf-bg); }
.pf-enterprise-site:has(.pf-spatial-journey) .pf-header { background: #05090e; }
.pf-spatial-scene { position: relative; min-height: 100svh; padding: clamp(120px, 16vh, 172px) 6vw 100px; isolation: isolate; scroll-margin-top: var(--pf-header-height); }
.pf-spatial-media { position: absolute; inset: 0; overflow: hidden; pointer-events: none; background: #070d14; }
.pf-spatial-camera { position: absolute; inset: 0; }
.pf-spatial-shot { position: absolute; inset: 0; transition: transform 1.1s var(--pf-ease); }
.pf-spatial-shot > :is(img, video) { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 70% 50%; }
.pf-spatial-video { opacity: 0; transition: opacity .45s ease; }
.pf-spatial-video.is-video-ready { opacity: 1; }
.pf-spatial-scene::before { content: ''; position: absolute; inset: 0; z-index: 1; pointer-events: none; background: linear-gradient(90deg, rgba(5,9,14,.7), rgba(5,9,14,.38) 38%, transparent 66%), linear-gradient(0deg, rgba(5,9,14,.3), transparent 22%); }
.pf-spatial-content { position: relative; z-index: 2; width: min(44%, 640px); }
.pf-spatial-content header h1 { font-size: clamp(38px, 4vw, 60px); line-height: 1.16; letter-spacing: -.03em; margin: 18px 0 22px; text-wrap: balance; }
.pf-spatial-content header h2 { font-size: clamp(32px, 3.1vw, 48px); line-height: 1.22; letter-spacing: -.025em; margin: 0 0 20px; }
.pf-spatial-content header > p { color: #bbcbd1; font-size: clamp(16px, 1.12vw, 18px); line-height: 1.8; margin: 0; max-width: 36em; }
.pf-spatial-content .pf-actions { margin-top: 32px; }
.pf-spatial-details { margin-top: 30px; }
.pf-spatial-details details { border-top: 1px solid var(--pf-line); padding: 15px 0; }
.pf-spatial-details summary { font-size: 18px; font-weight: 600; cursor: pointer; }
.pf-spatial-details details > div { padding: 8px 0 0; color: #b6c7ce; }
.pf-spatial-details p { margin: 0; font-size: 16px; line-height: 1.75; }
.pf-spatial-details .pf-switch-facts { width: 100%; margin-top: 12px; }
.pf-spatial-scene.is-inquiry { min-height: max(100svh, 1020px); }
.pf-spatial-scene.is-inquiry .pf-spatial-content { width: min(47%, 680px); }
.pf-spatial-content .pf-lead-form { margin-top: 30px; padding: 0; background: none; border: 0; }
.pf-spatial-content :is(input, select, textarea) { background: rgba(6, 15, 22, .88); }
.pf-spatial-interaction { position: absolute; z-index: 3; right: 6vw; bottom: 9vh; display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.pf-spatial-interaction button { cursor: pointer; color: #e2f0f3; border: 1px solid rgba(187,221,227,.48); background: rgba(6,15,22,.83); padding: 13px 20px; display: flex; gap: 28px; align-items: center; transition: background .25s, border-color .25s; }
.pf-spatial-interaction button:hover, .pf-spatial-interaction button[aria-pressed="true"] { background: #162c37; border-color: #a2d9df; }
.pf-spatial-status { color: #a9bcc6; font-size: 12px; }
.pf-spatial-stage { position: sticky; top: var(--pf-header-height); height: calc(100svh - var(--pf-header-height)); margin-bottom: calc(var(--pf-header-height) - 100svh); overflow: hidden; pointer-events: none; }
.pf-spatial-stage::after { content: ''; position: absolute; inset: 0; z-index: 6; pointer-events: none; background: linear-gradient(90deg, rgba(5,9,14,.7), rgba(5,9,14,.38) 38%, transparent 66%), linear-gradient(0deg, rgba(5,9,14,.3), transparent 22%); }
.pf-spatial-passage { position: absolute; inset: 0; z-index: 5; width: 100%; height: 100%; object-fit: cover; object-position: 70% 50%; opacity: 0; pointer-events: none; }
.is-spatial-enhanced > .pf-spatial-scene::before { display: none; }
@media (min-width: 901px) and (min-height: 601px) {
  .pf-spatial-scene > .pf-spatial-media { top: var(--pf-header-height); }
}
.is-spatial-enhanced > .pf-spatial-stage > .pf-spatial-media { opacity: 0; }
.is-spatial-enhanced > .pf-spatial-stage > .pf-spatial-media:first-child { opacity: 1; }
/* A restrained lens edge travels with the camera, never across readable content. */
.pf-spatial-optic { position: absolute; inset: 0; z-index: 4; opacity: 0; pointer-events: none; transform-origin: 72% 58%; background: radial-gradient(ellipse at 72% 58%, transparent 0 24%, rgba(161,190,200,.22) 24.6%, rgba(13,25,35,.58) 25.4%, rgba(4,9,16,.8) 50%, rgba(4,9,16,.1) 76%); }
.pf-spatial-optic.is-gateway { transform-origin: 71% 52%; background: radial-gradient(ellipse at 71% 52%, transparent 0 19%, rgba(160,211,219,.28) 19.5%, rgba(18,37,49,.58) 20.8%, transparent 33%); }
.pf-spatial-response { position: absolute; inset: 0; opacity: 0; transition: opacity .6s; pointer-events: none; }
[data-spatial-media="game-world"].is-engaged .pf-spatial-response { opacity: .8; background: repeating-linear-gradient(0deg, transparent 0 58px, rgba(125,231,235,.23) 59px 60px), repeating-linear-gradient(90deg, transparent 0 100px, rgba(125,231,235,.16) 101px 102px); mask-image: radial-gradient(ellipse at 70% 50%, #000, transparent 70%); }
[data-spatial-media="silicon-life"].is-engaged .pf-spatial-response { opacity: 1; background: radial-gradient(ellipse at 54% 78%, rgba(137,238,242,.28), transparent 24%); }
.pf-spatial-orbit { z-index: 1; opacity: 0; transition: opacity 1.1s cubic-bezier(.22,.61,.36,1); }
.is-orbit-close .pf-spatial-orbit { opacity: 1; }
.is-orbit-close:not([data-orbit-preparing]) [data-orbit-view="wide"] { visibility: hidden; }
.pf-spatial-interaction button[aria-busy="true"] { cursor: progress; border-color: #a2d9df; }
.is-motion-paused .pf-spatial-orbit { transition: none; }
.is-motion-paused [data-orbit-view] .pf-spatial-video { opacity: 0; }
@media (prefers-reduced-motion: reduce) { .pf-spatial-orbit { transition: none; } }
@media (min-width: 901px) and (min-height: 601px) {
  /* Keep the authored head/headset in frame; anchor the film itself to the
     screen edge, not 70% of the letterboxed space on ultrawide displays. */
  [data-spatial-media="silicon-life"] .pf-spatial-shot > :is(img,video),
  [data-spatial-media="vr-entry"] .pf-spatial-shot > :is(img,video),
  .pf-spatial-stage > .pf-spatial-passage {
    object-fit: contain;
    object-position: right center;
    mask-image: linear-gradient(90deg, transparent 16%, #000 52%);
  }
  @supports (container-type: size) and (mask-composite: intersect) {
    .pf-spatial-shot, .pf-spatial-stage { container-type: size; }
    [data-spatial-media="silicon-life"] .pf-spatial-shot > :is(img,video),
    [data-spatial-media="vr-entry"] .pf-spatial-shot > :is(img,video),
    .pf-spatial-stage > .pf-spatial-passage {
      --pf-frame-ratio: 1.7777777778;
      mask-image: linear-gradient(180deg, transparent, #000 12px, #000 calc(100% - 28px), transparent), linear-gradient(90deg, transparent, #000 40%);
      mask-composite: intersect;
      mask-size: min(100cqw, calc(100cqh * var(--pf-frame-ratio))) min(100cqh, calc(100cqw / var(--pf-frame-ratio)));
      mask-position: right center;
      mask-repeat: no-repeat;
    }
  }
}
@media (max-width: 900px), (max-height: 600px) {
  .pf-spatial-scene { display: flex; flex-direction: column; min-height: 0; padding: 38px 0 52px; }
  .pf-spatial-scene.is-hero { padding-top: calc(var(--pf-header-height) + 30px); }
  .pf-spatial-content, .pf-spatial-scene.is-inquiry .pf-spatial-content { display: contents; }
  .pf-spatial-content .pf-breadcrumb { order: 0; margin: 0 6vw 8px; }
  .pf-spatial-content header { order: 1; padding: 0 6vw 26px; }
  .pf-spatial-content header h1 { font-size: clamp(32px, 6.8vw, 46px); margin-top: 8px; }
  .pf-spatial-content header h2 { font-size: clamp(28px, 5.6vw, 38px); }
  .pf-spatial-content header > p { font-size: 16px; }
  .pf-spatial-media { order: 2; position: relative; inset: auto; width: 100%; aspect-ratio: 1672/941; flex: none; }
  .pf-spatial-shot > :is(img,video) { object-fit: contain; }
  .pf-spatial-details { order: 4; margin: 24px 6vw 0; }
  .pf-spatial-content .pf-lead-form { order: 5; margin: 28px 6vw 0; }
  .pf-spatial-content .pf-actions { order: 6; margin: 28px 6vw 0; }
  .pf-spatial-interaction { order: 3; position: relative; right: auto; bottom: auto; align-items: flex-start; margin: 16px 6vw 0; }
  .pf-spatial-scene::before { display: none; }
  .pf-spatial-scene.is-inquiry { min-height: 0; }
}
@media (max-height: 600px) {
  .pf-spatial-media { aspect-ratio: auto; height: max(150px, calc(100svh - var(--pf-header-height) - 140px)); }
  .pf-spatial-interaction { margin-top: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .pf-spatial-shot, .pf-spatial-response { transition: none; }
}
.is-motion-paused .pf-spatial-shot, .is-motion-paused .pf-spatial-response { transition: none; }

.pf-sr-only,
.pf-honeypot {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.pf-skip {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 120;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--pf-text);
  color: var(--pf-bg);
  transform: translateY(-160%);
  transition: transform .2s ease;
}

.pf-skip:focus { transform: translateY(0); }

.pf-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: 100%;
  min-height: var(--pf-header-height);
  padding: 14px clamp(20px, 4vw, 68px);
  transition: background .45s var(--pf-ease), border-color .45s var(--pf-ease), backdrop-filter .45s var(--pf-ease);
}

.pf-header.is-scrolled,
.pf-auth-page .pf-header,
.pf-account-page .pf-header {
  border-bottom: 1px solid rgba(196, 225, 230, .1);
  background: rgba(3, 7, 11, .9);
}

.pf-brand-controls { display: flex; align-items: center; justify-self: start; gap: 14px; }

.pf-brand {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  font-size: clamp(14px, 1.35vw, 19px);
  font-weight: 800;
  letter-spacing: .11em;
  white-space: nowrap;
}

.pf-brand > .brand-mark {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  object-fit: contain;
}

.pf-footer-wordmark { display: flex; align-items: center; gap: 16px; }
.pf-footer-wordmark > .brand-mark { width: clamp(32px, 3.1vw, 52px); height: auto; flex-shrink: 0; }

.pf-nav {
  justify-self: center;
  border: 1px solid rgba(190, 222, 228, .18);
  border-radius: 999px;
  background: rgba(5, 9, 14, .62);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .06), 0 18px 45px rgba(0, 0, 0, .17);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.pf-nav ul {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0;
  padding: 5px;
  list-style: none;
}

.pf-nav a,
.pf-account > a,
.pf-nav-admin {
  display: block;
  padding: 9px 14px;
  border-radius: 999px;
  color: #dce7ea;
  text-decoration: none;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
  transition: color .25s ease, background .25s ease, transform .25s ease;
}

.pf-nav a:hover,
.pf-nav a[aria-current="page"] {
  color: #071014;
  background: #dff5f6;
}

.pf-account {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 5px;
}

.pf-account > a:last-child {
  border: 1px solid rgba(208, 235, 239, .28);
  background: rgba(7, 12, 18, .52);
}

.pf-account > a:hover { transform: translateY(-1px); }

.pf-nav-admin { color: var(--pf-accent); }

.pf-menu-toggle { display: none; }

.pf-motion-toggle {
  position: fixed;
  left: clamp(16px, 2.2vw, 34px);
  bottom: clamp(16px, 2.2vw, 32px);
  z-index: 47;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 42px;
  padding: 8px 13px 8px 9px;
  border: 1px solid rgba(207, 236, 240, .2);
  border-radius: 999px;
  background: rgba(4, 10, 15, .66);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .05), 0 12px 34px rgba(0, 0, 0, .24);
  color: #dce9eb;
  cursor: pointer;
  backdrop-filter: blur(16px) saturate(120%);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  transition: border-color .25s ease, background .25s ease, transform .25s var(--pf-ease);
}

.pf-motion-toggle[hidden] { display: none; }
.pf-motion-toggle:hover { border-color: rgba(125, 231, 235, .5); background: rgba(5, 13, 19, .84); transform: translateY(-2px); }
.pf-motion-toggle:disabled { cursor: default; opacity: .72; transform: none; }
.pf-motion-toggle > span { position: relative; display: block; width: 24px; height: 24px; border: 1px solid rgba(125, 231, 235, .36); border-radius: 50%; background: rgba(125, 231, 235, .06); }
.pf-motion-toggle > span::before,
.pf-motion-toggle > span::after { content: ""; position: absolute; top: 7px; width: 2px; height: 8px; border-radius: 2px; background: var(--pf-accent); }
.pf-motion-toggle > span::before { left: 8px; }
.pf-motion-toggle > span::after { right: 8px; }
.pf-motion-toggle strong { font-size: 11px; letter-spacing: .08em; }
.is-motion-paused .pf-motion-toggle > span::before { top: 6px; left: 8px; width: 0; height: 0; border-top: 5px solid transparent; border-bottom: 5px solid transparent; border-left: 8px solid var(--pf-accent); border-radius: 0; background: transparent; }
.is-motion-paused .pf-motion-toggle > span::after { display: none; }

.pf-page-curtain {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  background: var(--pf-bg);
  transform: scaleY(0);
  transform-origin: bottom;
}

body.is-leaving .pf-page-curtain {
  pointer-events: auto;
  animation: pf-curtain-in .24s var(--pf-ease) forwards;
}

body.is-entering .pf-page-curtain {
  transform-origin: top;
  animation: pf-curtain-out .38s var(--pf-ease) both;
}

@keyframes pf-curtain-in { to { transform: scaleY(1); } }
@keyframes pf-curtain-out { from { transform: scaleY(1); } to { transform: scaleY(0); } }

.pf-scene,
.pf-scroll-sticky,
.pf-process-panel,
.pf-auth-scene,
.pf-account-scene {
  position: relative;
  isolation: isolate;
  min-height: 100dvh;
  overflow: hidden;
  background: var(--pf-bg);
  perspective: 1200px;
}

.pf-scene-media {
  position: absolute;
  inset: 0;
  z-index: -3;
  overflow: hidden;
  background:
    radial-gradient(circle at 72% 42%, rgba(79, 137, 157, .2), transparent 27%),
    radial-gradient(circle at 30% 70%, rgba(54, 82, 111, .14), transparent 32%),
    linear-gradient(120deg, #050a0f, #081118 56%, #05090e);
}

.pf-scene-layer {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transform: scale(1.035);
  transition: opacity .75s var(--pf-ease), visibility .75s, transform 1.8s var(--pf-ease);
}

.pf-scene-layer.is-active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}


.pf-scene-motion {
  position: absolute;
  inset: 0;
  transform-origin: center;
}

.pf-scene-image,
.pf-scene-video {
  display: block;
  width: 106%;
  height: 106%;
  max-width: none;
  margin: -3% 0 0 -3%;
  object-fit: cover;
  object-position: center;
}

.pf-hero .pf-scene-layer[data-ip-layer="suoguang"] .pf-scene-image,
.pf-hero .pf-scene-layer[data-ip-layer="suoguang"] .pf-scene-video {
  width: 100%;
  height: 100%;
  margin: 0;
  object-fit: cover;
  object-position: right center;
  transform-origin: right center;
}

/* Keep the poster visible until a decoded video frame is actually available. */
.pf-scene-video[data-managed-video] { opacity: 0; transition: opacity .24s ease; }
.pf-scene-video[data-managed-video].is-video-ready { opacity: 1; }

@media (prefers-reduced-motion: no-preference) {
  .pf-scene-layer.is-active.is-still > .pf-scene-motion {
    animation: pf-cinematic-drift 14s cubic-bezier(.45, 0, .2, 1) infinite alternate;
    will-change: transform;
  }

  .pf-scene-layer.is-active.is-still::after {
    content: "";
    position: absolute;
    inset: -24% -18%;
    pointer-events: none;
    background: linear-gradient(112deg, transparent 37%, rgba(185, 242, 245, .1) 48%, transparent 59%);
    mix-blend-mode: screen;
    animation: pf-portrait-sheen 8.5s ease-in-out infinite;
  }
}

.pf-scene-layer[data-ip-layer="zhixu"],
.pf-scene-layer[data-ip-layer="lixing"],
.pf-scene-layer[data-ip-layer="shouheng"],
.pf-scene-layer[data-ip-layer="cangling"] {
  --pf-drift-from-x: .45%;
  --pf-drift-to-x: -.6%;
}

@keyframes pf-cinematic-drift {
  0% { transform: translate3d(var(--pf-drift-from-x, -.4%), .28%, 0) scale(1.008); }
  48% { transform: translate3d(0, -.38%, 0) scale(1.032); }
  100% { transform: translate3d(var(--pf-drift-to-x, .55%), -.08%, 0) scale(1.018); }
}

.pf-scene-image.is-fallback { position: absolute; inset: 0; z-index: -1; }

.pf-scene-scrim {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(2, 6, 10, .92) 0%, rgba(3, 8, 13, .72) 32%, rgba(4, 9, 14, .24) 63%, rgba(2, 6, 10, .42) 100%),
    linear-gradient(0deg, rgba(2, 6, 10, .84) 0%, transparent 38%, rgba(2, 5, 9, .22) 74%, rgba(2, 5, 9, .48) 100%);
}

.pf-scene-depth {
  position: absolute;
  inset: 0;
  opacity: .64;
  pointer-events: none;
  background:
    radial-gradient(circle at 67% 48%, transparent 0 17%, rgba(3, 8, 13, .1) 34%, rgba(2, 6, 10, .48) 82%),
    linear-gradient(180deg, rgba(5, 11, 16, .18), transparent 34%, rgba(3, 8, 13, .28));
}

.pf-pointer-ready .is-pointer-active .pf-scene-layer.is-active .pf-scene-image,
.pf-pointer-ready .is-pointer-active .pf-scene-layer.is-active .pf-scene-video,
.pf-pointer-ready .is-pointer-active .pf-scene-depth { will-change: transform; }

.pf-pointer-ready .is-pointer-active .pf-ip-prompt {
  border-color: rgba(125, 231, 235, .5);
  background: rgba(6, 14, 20, .72);
}

.pf-scene-content {
  position: relative;
  z-index: 4;
  display: grid;
  min-height: 100dvh;
  padding: calc(var(--pf-header-height) + 5vh) clamp(22px, 6vw, 104px) clamp(32px, 6vh, 74px);
  pointer-events: none;
}

.pf-scene-content :where(a, button, input, textarea, select, label) { pointer-events: auto; }

.pf-hero-copy {
  align-self: center;
  width: min(760px, 55vw);
  margin-top: -2vh;
}

.pf-breadcrumb {
  margin: 0 0 18px;
  color: rgba(211, 228, 232, .72);
  font-size: var(--pf-type-label);
  font-weight: 700;
  letter-spacing: .025em;
}

.pf-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  min-width: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pf-breadcrumb li {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.pf-breadcrumb li + li::before {
  content: "/";
  margin: 0 .7em;
  color: rgba(125, 231, 235, .48);
  font-weight: 500;
}

.pf-breadcrumb a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease;
}

.pf-breadcrumb a:hover { color: var(--pf-accent); }

.pf-breadcrumb [aria-current="page"] {
  display: block;
  max-width: min(44vw, 360px);
  overflow: hidden;
  color: #edf5f7;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pf-eyebrow {
  margin: 0 0 20px;
  color: var(--pf-accent);
  font-size: var(--pf-type-label);
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.pf-hero h1,
.pf-auth-intro h1,
.pf-message-copy h1 {
  max-width: 12ch;
  margin: 0;
  color: #f1f7f8;
  font-size: var(--pf-type-display);
  font-weight: 750;
  line-height: var(--pf-leading-display);
  letter-spacing: var(--pf-tracking-display);
  text-wrap: balance;
  text-shadow: 0 14px 45px rgba(0, 0, 0, .32);
}

.pf-lead,
.pf-scene-heading > p,
.pf-explorer-head > p,
.pf-form-intro > p,
.pf-gallery-copy > p,
.pf-auth-intro > p,
.pf-message-copy > p,
.pf-account-copy > p {
  max-width: 58ch;
  margin: 26px 0 0;
  color: #b5c3c8;
  font-size: var(--pf-type-body);
  line-height: var(--pf-leading-body);
}

.pf-actions,
.pf-account-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 34px;
}

.pf-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border: 1px solid #dceff1;
  border-radius: 999px;
  background: #e7f5f6;
  color: #071014;
  text-decoration: none;
  font-weight: 800;
  white-space: nowrap;
  cursor: pointer;
  transition: transform .25s var(--pf-ease), background .25s ease, border-color .25s ease;
}

.pf-button:hover { translate: 0 -2px; background: #f7fbfc; }
.pf-hero .pf-button:hover { translate: none; }
.pf-button:active { translate: 0; scale: .98; }

.pf-button.is-ghost {
  border-color: rgba(216, 239, 242, .27);
  background: rgba(7, 13, 19, .42);
  color: #e7f1f3;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.pf-button.is-ghost:hover { border-color: rgba(229, 248, 250, .62); background: rgba(11, 19, 27, .72); }

.pf-text-link {
  display: inline-flex;
  margin-top: 20px;
  color: var(--pf-accent);
  font-weight: 750;
  text-decoration: none;
}

.pf-text-link::after { content: "↗"; margin-left: 8px; }

.pf-ip-hit {
  position: absolute;
  inset: 12% 0 8% 48%;
  z-index: 3;
  display: block;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.pf-ip-hit:focus-visible { outline: none; }
.pf-ip-hit:focus-visible .pf-ip-prompt { box-shadow: 0 0 0 2px rgba(125, 231, 235, .72); }

.pf-nav-mobile-account { display: none; }

.pf-ip-prompt {
  position: absolute;
  right: clamp(20px, 5vw, 80px);
  bottom: clamp(22px, 5vh, 58px);
  display: grid;
  gap: 2px;
  padding: 12px 16px;
  border: 1px solid rgba(218, 243, 245, .19);
  border-radius: 12px;
  background: rgba(5, 11, 16, .54);
  text-align: left;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: border-color .3s ease, background .3s ease, transform .3s var(--pf-ease);
}

.pf-ip-prompt strong { font-size: 12px; letter-spacing: .07em; }
.pf-ip-prompt span { color: var(--pf-muted); font-size: 11px; }
.pf-ip-hit:hover .pf-ip-prompt { border-color: rgba(125, 231, 235, .52); background: rgba(7, 15, 21, .76); transform: translateY(-2px); }

/* Feedback is local and compositor-only; the underlying film keeps playing. */
.pf-reaction {
  position: absolute;
  top: 45%;
  left: 55%;
  width: 180px;
  height: 180px;
  opacity: 0;
  transform: translate(-50%, -50%);
  pointer-events: none;
  contain: layout style;
}
.pf-ip-hit.is-reacting .pf-reaction { opacity: 1; }
.pf-reaction-ring, .pf-reaction-core, .pf-reaction-line, .pf-reaction-node {
  position: absolute;
  display: block;
  opacity: 0;
}
.pf-reaction-ring {
  inset: 15px;
  border: 1px solid var(--pf-ip-accent, var(--pf-accent));
  border-radius: 50%;
}
.pf-reaction-ring.is-secondary { inset: 42px; border-style: dashed; }
.pf-reaction-core { inset: 77px; border-radius: 50%; background: var(--pf-ip-accent, var(--pf-accent)); box-shadow: 0 0 24px var(--pf-ip-accent, var(--pf-accent)); }
.pf-reaction-line { top: 50%; left: -20px; width: 220px; height: 1px; background: linear-gradient(90deg, transparent, var(--pf-ip-accent, var(--pf-accent)), transparent); }
.pf-reaction-node { top: calc(50% - 4px); left: calc(50% - 4px); width: 8px; height: 8px; border-radius: 50%; background: #dffbfc; box-shadow: 0 0 12px var(--pf-ip-accent, var(--pf-accent)); }
.pf-reaction-caption {
  position: absolute;
  top: calc(100% + 4px);
  left: 50%;
  translate: -50% 0;
  width: max-content;
  max-width: 210px;
  padding: 7px 12px;
  border: 1px solid rgba(170, 225, 230, .25);
  border-radius: 20px;
  background: #08151ded;
  color: #e4f5f5;
  font-size: 12px;
  line-height: 1.5;
  font-weight: 500;
  letter-spacing: .025em;
  text-align: center;
}
[data-gesture="focus"] .pf-reaction-ring { border-radius: 9px; border-width: 2px; border-color: var(--pf-ip-accent) transparent; }
[data-gesture="focus"] .pf-reaction-ring.is-secondary { border-style: solid; border-width: 1px; border-color: transparent var(--pf-ip-accent); }
[data-gesture="weave"] .pf-reaction-ring.is-secondary { inset: 47px; border-radius: 14px; border-style: solid; }
[data-gesture="scan"] .pf-reaction-ring { inset: 16px 35px; border-radius: 8px; }
[data-gesture="portal"] .pf-reaction-ring { inset: 2px 24px; border-radius: 50% 50% 16px 16px; }
[data-gesture="portal"] .pf-reaction-ring.is-secondary { inset: 20px 41px; border-style: solid; }
[data-gesture="seal"] .pf-reaction-ring { inset: 27px; border-radius: 24%; border-width: 2px; }
[data-gesture="seal"] .pf-reaction-ring.is-secondary { inset: 48px; border-radius: 50%; border-width: 1px; }
[data-gesture="seal"] .pf-reaction-core { border-radius: 4px; }
[data-gesture="bubble"] .pf-reaction-ring { inset: 28px; background: radial-gradient(circle at 30% 25%, #e3fbff22, transparent 65%); }
[data-gesture="bubble"] .pf-reaction-node { width: 13px; height: 13px; background: transparent; border: 1px solid var(--pf-ip-accent); box-shadow: none; }
[data-gesture="shield"] .pf-reaction-ring { inset: 8px 27px; border-radius: 12px 12px 50% 50%; }
[data-gesture="shield"] .pf-reaction-ring.is-secondary { inset: 22px 40px; border-style: solid; }
[data-gesture="radar"] .pf-reaction-line { left: 50%; transform-origin: left center; }
[data-gesture="trace"] .pf-reaction-line { height: 2px; }
[data-gesture="orbit"] .pf-reaction-ring { inset: 35px 0; }
[data-gesture="orbit"] .pf-reaction-ring.is-secondary { inset: 0 35px; border-style: solid; }

.pf-scroll-world,
.pf-horizontal-world {
  position: relative;
  min-height: 100dvh;
  background: var(--pf-bg);
}

.pf-scroll-sticky {
  position: relative;
  display: grid;
  min-height: 100dvh;
  padding: calc(var(--pf-header-height) + 4vh) clamp(22px, 6vw, 104px) 5vh;
}

.pf-explorer-head {
  position: relative;
  z-index: 4;
  align-self: start;
  width: min(720px, 66vw);
}

.pf-explorer-head h2,
.pf-scene-heading h2,
.pf-form-intro h2,
.pf-character-intro h2,
.pf-account-panel h2,
.pf-horizontal-heading h2 {
  max-width: 14ch;
  margin: 0;
  font-size: var(--pf-type-heading);
  font-weight: 700;
  line-height: var(--pf-leading-heading);
  letter-spacing: var(--pf-tracking-heading);
  text-wrap: balance;
}

.pf-explorer-copies {
  position: absolute;
  z-index: 4;
  left: clamp(22px, 6vw, 104px);
  top: 43%;
  width: min(590px, 44vw);
}

.pf-explorer-copy,
.pf-family-copy {
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  opacity: 0;
  visibility: hidden;
  translate: 0 24px;
  transition: opacity .55s var(--pf-ease), translate .55s var(--pf-ease), visibility .55s;
}

.pf-explorer-copy.is-active,
.pf-family-copy.is-active {
  opacity: 1;
  visibility: visible;
  translate: 0 0;
}

.pf-explorer-copy h3,
.pf-family-copy h3,
.pf-gallery-copy h2 {
  margin: 0;
  font-size: var(--pf-type-subheading);
  font-weight: 700;
  line-height: var(--pf-leading-heading);
  letter-spacing: var(--pf-tracking-heading);
}

.pf-explorer-copy > p:last-of-type,
.pf-family-copy > p:last-of-type {
  max-width: 50ch;
  color: #b0c0c5;
  font-size: var(--pf-type-body);
}

.pf-service-facts {
  display: grid;
  gap: 8px;
  max-width: 560px;
  margin: 20px 0 0;
}

.pf-service-facts > div {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 14px;
  align-items: baseline;
}

.pf-service-facts dt {
  color: var(--pf-accent);
  font-size: var(--pf-type-label);
  font-weight: 700;
  letter-spacing: .04em;
}

.pf-service-facts dd {
  margin: 0;
  color: #c2d0d4;
  font-size: var(--pf-type-small);
}

.pf-explorer-options,
.pf-family-choices {
  position: absolute;
  right: clamp(22px, 5vw, 82px);
  bottom: clamp(22px, 5vh, 58px);
  z-index: 5;
  display: grid;
  width: min(420px, 34vw);
  border-top: 1px solid var(--pf-line);
}

.pf-explorer-options button,
.pf-family-choices button {
  display: grid;
  grid-template-columns: minmax(90px, .7fr) 1.3fr;
  align-items: center;
  gap: 18px;
  min-height: 52px;
  padding: 9px 4px;
  border: 0;
  border-bottom: 1px solid var(--pf-line);
  background: transparent;
  color: #819098;
  text-align: left;
  cursor: pointer;
  transition: color .3s ease, padding .3s var(--pf-ease), background .3s ease;
}

.pf-explorer-options button span,
.pf-family-choices button span {
  display: block;
  overflow: hidden;
  font-size: var(--pf-type-label);
  font-weight: 700;
  letter-spacing: .04em;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.pf-explorer-options button strong,
.pf-family-choices button strong { font-size: var(--pf-type-small); }

.pf-explorer-options button:hover,
.pf-explorer-options button[aria-pressed="true"],
.pf-family-choices button:hover,
.pf-family-choices button[aria-pressed="true"] {
  padding-left: 12px;
  background: linear-gradient(90deg, rgba(125, 231, 235, .1), transparent);
  color: #edf6f7;
}

.pf-explorer-options button[aria-pressed="true"] span,
.pf-family-choices button[aria-pressed="true"] span { color: var(--pf-accent); }

.pf-scroll-world .pf-ip-prompt {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
  border: 0 !important;
  pointer-events: none;
  transform: none !important;
}

.pf-feature-scene .pf-scene-content,
.pf-detail-scene .pf-scene-content {
  grid-template-rows: auto 1fr;
}

.pf-scene-heading {
  align-self: start;
  width: min(820px, 70vw);
}

.pf-feature-grid {
  align-self: end;
  justify-self: end;
  display: grid;
  grid-template-columns: repeat(2, minmax(230px, 1fr));
  width: min(760px, 62vw);
  border-top: 1px solid var(--pf-line);
}

.pf-feature-item {
  min-height: 150px;
  padding: 20px 26px 22px 0;
  border-bottom: 1px solid var(--pf-line);
}

.pf-feature-item:nth-child(even) { padding-left: 26px; border-left: 1px solid var(--pf-line); }
.pf-feature-item h3 { margin: 0 0 9px; font-size: clamp(18px, 1.5vw, 22px); line-height: 1.4; }
.pf-feature-item p { margin: 0; color: var(--pf-muted); }
.pf-feature-cta { position: absolute; left: clamp(22px, 6vw, 104px); bottom: clamp(28px, 6vh, 70px); }

.pf-horizontal-world {
  min-height: 100dvh;
  overflow: hidden;
}

.pf-horizontal-heading {
  position: absolute;
  top: calc(var(--pf-header-height) + 4vh);
  left: clamp(22px, 6vw, 104px);
  z-index: 7;
  pointer-events: none;
}

.pf-horizontal-heading p { max-width: 50ch; color: var(--pf-muted); }

.pf-horizontal-track {
  display: flex;
  width: max-content;
  min-height: 100dvh;
  will-change: transform;
}

.pf-process-panel {
  flex: 0 0 100vw;
  width: 100vw;
}

:is(.pf-no-gsap, .is-motion-paused) .pf-horizontal-world { overflow: visible; }
:is(.pf-no-gsap, .is-motion-paused) .pf-horizontal-track { display: grid; width: 100%; will-change: auto; }
:is(.pf-no-gsap, .is-motion-paused) .pf-process-panel { width: 100%; min-height: 100dvh; }

.pf-process-media {
  position: absolute;
  inset: 0;
}

.pf-process-media .pf-scene-layer { opacity: 1; visibility: visible; transform: none; }
.pf-process-media :is(.pf-scene-image, .pf-scene-video) {
  width: 100%;
  height: 100%;
  margin: 0;
  object-fit: contain;
}
.pf-process-panel::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(0deg, rgba(2, 6, 10, .9), rgba(3, 8, 13, .16) 65%, rgba(2, 6, 10, .62)); }

.pf-process-copy {
  position: absolute;
  z-index: 4;
  left: clamp(22px, 6vw, 104px);
  bottom: clamp(34px, 7vh, 82px);
  width: min(600px, 55vw);
}

.pf-process-copy h3 { margin: 0; font-size: var(--pf-type-heading); line-height: var(--pf-leading-heading); letter-spacing: var(--pf-tracking-heading); }
.pf-process-copy > p:last-child { max-width: 48ch; color: #b2c0c5; font-size: var(--pf-type-body); }
.pf-process-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 22px;
  margin: 24px 0 0;
}

.pf-process-meta div { border-top: 1px solid var(--pf-line); padding-top: 10px; }
.pf-process-meta dt { color: var(--pf-accent); font-size: var(--pf-type-label); font-weight: 700; letter-spacing: .04em; }
.pf-process-meta dd { margin: 5px 0 0; color: #c5d2d5; font-size: var(--pf-type-small); line-height: 1.65; }
.pf-family-scene .pf-scene-content { grid-template-rows: auto 1fr; }
.pf-family-copies { position: absolute; left: clamp(22px, 6vw, 104px); bottom: 15vh; width: min(600px, 46vw); }
.pf-family-choices { width: min(360px, 30vw); }

.pf-character-intro {
  align-self: start;
  min-height: 0;
  max-width: 640px;
  padding: 0;
}

.pf-character-world .pf-character-intro h2 { max-width: 20ch; font-size: var(--pf-type-subheading); line-height: var(--pf-leading-heading); }
.pf-character-intro p { max-width: 56ch; margin: 12px 0 0; color: var(--pf-muted); font-size: var(--pf-type-body); }
.pf-character-world.is-empty { padding: 42px clamp(22px, 6vw, 104px); }
.pf-character-scene .pf-scene-content { align-items: end; }
.pf-character-scene.has-gallery-intro .pf-scene-content { grid-template-rows: auto 1fr; gap: 32px; }
.pf-gallery-copy { width: min(700px, 58vw); }
.pf-gallery-copy h2 span { display: block; color: rgba(224, 241, 244, .45); font-size: clamp(12px, .42em, 18px); letter-spacing: .06em; }

/* Character films keep their authored frame inside the full-screen stage. */
.pf-character-scene .pf-scene-image,
.pf-character-scene .pf-scene-video {
  width: 100%;
  height: 100%;
  margin: 0;
  object-fit: contain;
}

.pf-character-scene .pf-scene-layer:is(
  [data-ip-layer="suoguang"],
  [data-ip-layer="zhanyu"],
  [data-ip-layer="zhilan"],
  [data-ip-layer="xuke"],
  [data-ip-layer="jierao"],
  [data-ip-layer="heyin"],
  [data-ip-layer="guanche"],
  [data-ip-layer="huguang"],
  [data-ip-layer="nuomi"]
) :is(.pf-scene-image, .pf-scene-video) { object-position: right center; }

.pf-character-scene .pf-scene-layer:is(
  [data-ip-layer="zhixu"],
  [data-ip-layer="lixing"],
  [data-ip-layer="shouheng"],
  [data-ip-layer="cangling"]
) :is(.pf-scene-image, .pf-scene-video) { object-position: left center; }

.pf-hero .pf-scene-layer[data-ip-layer="suoguang"] > .pf-scene-motion,
.pf-character-scene .pf-scene-layer[data-ip-layer="suoguang"] > .pf-scene-motion {
  inset-inline: clamp(18px, 1.8vw, 28px);
}

/* These 16:9 plates reserve the left 45% for copy and keep the character inside
   the right 55%-92%. Remove overscan; fit wide screens without cropping heads. */
.pf-scene-layer:is(
  [data-ip-layer="lanyou"], [data-ip-layer="jingjing"],
  [data-ip-layer="qiling"], [data-ip-layer="suixin"],
  [data-ip-layer="jinghe"], [data-ip-layer="tangyuan"],
  [data-ip-layer="momo"], [data-ip-layer="lingxi"]
) :is(.pf-scene-image, .pf-scene-video) {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  object-fit: contain;
  object-position: right center;
}

@media (max-width: 900px) {
  /* A portrait viewport cannot cover-fill a landscape plate and retain its
     full character. This bounded film area keeps that silhouette intact. */
  .pf-scene-layer:is(
    [data-ip-layer="lanyou"], [data-ip-layer="jingjing"],
    [data-ip-layer="qiling"], [data-ip-layer="suixin"],
    [data-ip-layer="jinghe"], [data-ip-layer="tangyuan"],
    [data-ip-layer="momo"], [data-ip-layer="lingxi"]
  ) :is(.pf-scene-image, .pf-scene-video) {
    top: calc(var(--pf-header-height) + 18px);
    height: min(58dvh, 108vw);
    object-fit: cover;
    object-position: 92% center;
  }
}

.pf-detail-list {
  align-self: end;
  justify-self: end;
  width: min(680px, 58vw);
  border-top: 1px solid var(--pf-line);
}

.pf-detail-item {
  padding: 22px 0;
  border-bottom: 1px solid var(--pf-line);
  color: #e4eef0;
  font-size: clamp(18px, 1.5vw, 22px);
}

.pf-detail-item span {
  display: block;
  max-width: 42ch;
  margin-top: 7px;
  color: var(--pf-muted);
  font-size: var(--pf-type-small);
  font-weight: 500;
  line-height: 1.65;
}

/* Homepage: cinematic FDE narrative, with every business claim kept in CMS blocks. */
.pf-page-home #hero .pf-hero-copy { width: min(820px, 59vw); }
.pf-page-home #hero h1 { max-width: 12ch; font-size: var(--pf-type-display); }
.pf-page-home #hero .pf-lead { max-width: 52ch; font-size: var(--pf-type-body); }

.pf-page-home #client-problems .pf-feature-grid {
  grid-template-columns: 1.25fr .85fr 1fr 1fr;
  width: min(1180px, 84vw);
}

.pf-page-home #client-problems .pf-feature-item,
.pf-page-home #client-problems .pf-feature-item:nth-child(even) {
  min-height: 168px;
  padding: 22px 24px;
  border-left: 1px solid var(--pf-line);
}

.pf-page-home #client-problems .pf-feature-item:first-child { border-left: 0; }
.pf-page-home #client-problems .pf-feature-item h3 { font-size: clamp(18px, 1.5vw, 22px); }

.pf-page-home #ai-core-services .pf-explorer-head { width: min(660px, 54vw); }
.pf-page-home #ai-core-services .pf-explorer-head h2 { font-size: var(--pf-type-heading); }
.pf-page-home #ai-core-services .pf-explorer-copies { top: 40%; width: min(610px, 43vw); }
.pf-page-home #ai-core-services .pf-explorer-copy h3 { max-width: 11ch; font-size: var(--pf-type-subheading); }
.pf-page-home #ai-core-services .pf-explorer-copy > p:last-of-type { max-width: 46ch; margin-bottom: 0; }
.pf-page-home #ai-core-services .pf-text-link { margin-top: 16px; }
.pf-page-home #ai-core-services .pf-explorer-options { width: min(440px, 33vw); }
.pf-page-home #ai-core-services .pf-explorer-options button { min-height: 48px; }

.pf-page-home #specialist-capabilities .pf-family-copies { top: 52%; bottom: auto; width: min(660px, 48vw); }
.pf-page-home #specialist-capabilities .pf-family-choices { width: min(430px, 34vw); }
.pf-page-home #specialist-capabilities .pf-family-choices button {
  grid-template-columns: minmax(126px, .7fr) 1.3fr;
  min-height: 82px;
}
.pf-page-home #specialist-capabilities .pf-family-copy h3 { max-width: 11ch; }

.pf-page-home :is(#client-problems, #specialist-capabilities, #typical-scenarios, #engineering-trust, #delivery-os) .pf-ip-prompt {
  bottom: 44vh;
}

.pf-page-home #fde-delivery .pf-process-copy {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
  grid-template-rows: auto auto auto;
  column-gap: clamp(48px, 7vw, 118px);
  align-items: end;
  width: min(1180px, 84vw);
}

.pf-page-home #fde-delivery .pf-process-copy > .pf-eyebrow,
.pf-page-home #fde-delivery .pf-process-copy > h3,
.pf-page-home #fde-delivery .pf-process-copy > p { grid-column: 1; }
.pf-page-home #fde-delivery .pf-process-copy h3 { font-size: var(--pf-type-heading); }
.pf-page-home #fde-delivery .pf-process-copy > p:last-of-type { margin-bottom: 0; }
.pf-page-home #fde-delivery .pf-process-meta { grid-column: 2; grid-row: 1 / 4; margin: 0; }

.pf-page-home #typical-scenarios .pf-feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(980px, 73vw);
}
.pf-page-home #typical-scenarios .pf-feature-item,
.pf-page-home #typical-scenarios .pf-feature-item:nth-child(even) {
  min-height: 128px;
  padding: 18px 20px;
  border-left: 1px solid var(--pf-line);
}
.pf-page-home #typical-scenarios .pf-feature-item:nth-child(3n + 1) { border-left: 0; }

.pf-page-home #engineering-trust .pf-detail-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: min(800px, 62vw);
  border: 1px solid var(--pf-line);
}
.pf-page-home #engineering-trust .pf-detail-item {
  min-height: 128px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--pf-line);
}
.pf-page-home #engineering-trust .pf-detail-item:nth-child(even) { border-left: 1px solid var(--pf-line); }
.pf-page-home #engineering-trust .pf-detail-item:nth-last-child(-n + 2) { border-bottom: 0; }
.pf-page-home #engineering-trust .pf-detail-item strong { font-size: clamp(18px, 1.5vw, 22px); }

.pf-page-home #delivery-os .pf-feature-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: min(760px, 61vw);
}
.pf-page-home #delivery-os .pf-feature-item:nth-child(odd) { padding-right: 30px; }
.pf-page-home #delivery-os .pf-feature-item:nth-child(even) { padding-left: 30px; }
.pf-page-home #delivery-os .pf-feature-cta { gap: 10px; margin-top: 0; }

/* Home v14: eight natural full-screen chapters, one animated IP per chapter. */
.pf-page-home main {
  overflow: clip;
  background: #04090e;
}

.pf-page-home main > .pf-scene {
  min-height: max(100dvh, 760px);
  border-bottom: 1px solid rgba(175, 214, 219, .08);
}

.pf-page-home main > .pf-scene::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  z-index: 6;
  height: clamp(48px, 6vh, 74px);
  pointer-events: none;
  background: linear-gradient(180deg, transparent 0%, rgba(4, 9, 14, .28) 70%, rgba(125, 231, 235, .055) 100%);
}

.pf-page-home main > .pf-scene:not(:first-child)::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  z-index: 6;
  height: clamp(44px, 5.5vh, 68px);
  pointer-events: none;
  background: linear-gradient(180deg, rgba(125, 231, 235, .05), rgba(4, 9, 14, .2) 24%, transparent 100%);
}

.pf-scene-atmosphere {
  position: absolute;
  inset: -12%;
  opacity: .46;
  pointer-events: none;
  background:
    radial-gradient(circle at 72% 44%, rgba(125, 231, 235, .14), transparent 17%),
    radial-gradient(circle at 26% 64%, rgba(106, 138, 169, .12), transparent 24%),
    linear-gradient(115deg, transparent 35%, rgba(169, 224, 229, .045) 48%, transparent 61%);
  mix-blend-mode: screen;
}

.pf-page-home .pf-scene-layer:not([data-ip-layer="suoguang"]) :is(.pf-scene-image, .pf-scene-video) {
  filter: saturate(.88) contrast(1.04) brightness(.94);
}

@keyframes pf-portrait-sheen {
  0%, 24% { opacity: 0; translate: -18% 0; }
  42%, 58% { opacity: .7; }
  78%, 100% { opacity: 0; translate: 18% 0; }
}

.pf-page-home .pf-scene-layer[data-ip-layer="guanche"] :is(.pf-scene-image, .pf-scene-video),
.pf-page-home .pf-scene-layer[data-ip-layer="huguang"] :is(.pf-scene-image, .pf-scene-video),
.pf-page-home .pf-scene-layer[data-ip-layer="nuomi"] :is(.pf-scene-image, .pf-scene-video) { object-position: 58% center; }

.pf-page-home .pf-scene-layer[data-ip-layer="zhixu"] :is(.pf-scene-image, .pf-scene-video),
.pf-page-home .pf-scene-layer[data-ip-layer="lixing"] :is(.pf-scene-image, .pf-scene-video),
.pf-page-home .pf-scene-layer[data-ip-layer="shouheng"] :is(.pf-scene-image, .pf-scene-video),
.pf-page-home .pf-scene-layer[data-ip-layer="cangling"] :is(.pf-scene-image, .pf-scene-video) { object-position: 42% center; }

.pf-ip-hit:is([data-ip="zhixu"], [data-ip="lixing"], [data-ip="shouheng"], [data-ip="cangling"]) {
  inset: 12% 48% 8% 0;
}

.pf-ip-hit:is([data-ip="zhixu"], [data-ip="lixing"], [data-ip="shouheng"], [data-ip="cangling"]) .pf-ip-prompt {
  right: auto;
  left: clamp(20px, 5vw, 80px);
}


.pf-page-home .pf-ip-prompt {
  bottom: clamp(94px, 14vh, 154px) !important;
  border-color: rgba(199, 231, 234, .2);
  background: rgba(7, 14, 20, .62);
}

.pf-switch-scene .pf-scene-content {
  display: block;
  padding-top: calc(var(--pf-header-height) + 5vh);
}

.pf-switch-heading {
  position: absolute;
  top: calc(var(--pf-header-height) + 5vh);
  left: clamp(22px, 6vw, 104px);
  z-index: 4;
  width: min(650px, 46vw);
}

.pf-switch-heading h2 {
  max-width: 13ch;
  margin: 0;
  font-size: var(--pf-type-heading);
  font-weight: 700;
  line-height: var(--pf-leading-heading);
  letter-spacing: var(--pf-tracking-heading);
  text-wrap: balance;
}

.pf-switch-heading > p:last-child {
  max-width: 50ch;
  margin: 20px 0 0;
  color: #adbdc2;
  font-size: var(--pf-type-body);
  line-height: var(--pf-leading-body);
}

.pf-switch-panels {
  position: absolute;
  z-index: 4;
  top: 47%;
  left: clamp(22px, 6vw, 104px);
  bottom: auto;
  width: min(610px, 43vw);
  min-height: 290px;
}

.pf-switch-copy {
  width: 100%;
}

.pf-switch-copy[hidden] { display: none; }
.pf-switch-copy h3 {
  max-width: 13ch;
  margin: 0;
  color: #f0f6f7;
  font-size: var(--pf-type-subheading);
  font-weight: 700;
  line-height: var(--pf-leading-heading);
  letter-spacing: var(--pf-tracking-heading);
  text-wrap: balance;
}

.pf-switch-copy > p:not(.pf-eyebrow) {
  max-width: 49ch;
  margin: 16px 0 0;
  color: #b5c3c8;
  font-size: var(--pf-type-body);
  line-height: var(--pf-leading-body);
}

.pf-switch-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 20px;
  margin: 20px 0 0;
}

.pf-switch-facts div {
  padding-top: 9px;
  border-top: 1px solid rgba(188, 222, 226, .19);
}

.pf-switch-facts dt {
  color: var(--pf-accent);
  font-size: var(--pf-type-label);
  font-weight: 700;
  letter-spacing: .04em;
}

.pf-switch-facts dd {
  margin: 5px 0 0;
  color: #c3d0d3;
  font-size: var(--pf-type-small);
  line-height: 1.65;
}

.pf-switch-options {
  position: absolute;
  right: clamp(22px, 6vw, 104px);
  bottom: clamp(34px, 5vh, 58px);
  left: clamp(22px, 6vw, 104px);
  z-index: 7;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  border-top: 1px solid rgba(188, 222, 226, .22);
}

.pf-switch-options button {
  display: grid;
  align-content: start;
  gap: 7px;
  min-height: 82px;
  padding: 13px 14px 11px;
  border: 0;
  border-right: 1px solid rgba(188, 222, 226, .15);
  background: rgba(5, 11, 16, .28);
  color: #8b999f;
  text-align: left;
  cursor: pointer;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: color .3s ease, background .3s ease, translate .3s var(--pf-ease);
}

.pf-switch-options button:last-child { border-right: 0; }
.pf-switch-options button:hover { color: #e5eff1; translate: 0 -3px; }
.pf-switch-options button[aria-selected="true"] {
  background: linear-gradient(180deg, rgba(125, 231, 235, .14), rgba(7, 14, 20, .7));
  color: #eef6f7;
  box-shadow: inset 0 2px 0 rgba(125, 231, 235, .68);
}

.pf-switch-options span {
  color: var(--pf-accent);
  font-size: var(--pf-type-label);
  font-weight: 700;
  letter-spacing: .04em;
}

.pf-switch-options strong {
  overflow: hidden;
  font-size: var(--pf-type-small);
  line-height: 1.5;
  text-overflow: ellipsis;
}

.pf-switch-specialists .pf-switch-options { grid-template-columns: repeat(2, minmax(0, 1fr)); width: min(620px, 44vw); }
.pf-switch-specialists .pf-switch-heading { width: min(720px, 52vw); }
.pf-switch-specialists .pf-switch-heading h2 { font-size: var(--pf-type-heading); }
.pf-switch-specialists .pf-switch-heading > p:last-child { margin-top: 14px; }
.pf-switch-process .pf-switch-options { grid-template-columns: repeat(5, minmax(0, 1fr)); }

.pf-page-home :is(#ai-core-services, #fde-delivery) .pf-switch-heading,
.pf-page-home :is(#ai-core-services, #fde-delivery) .pf-switch-panels {
  right: clamp(22px, 6vw, 104px);
  left: auto;
  width: min(600px, 43vw);
}

.pf-page-home :is(#ai-core-services, #fde-delivery) .pf-scene-scrim,
.pf-page-home :is(#engineering-trust, #delivery-os) .pf-scene-scrim {
  background:
    linear-gradient(270deg, rgba(2, 6, 10, .94) 0%, rgba(3, 8, 13, .72) 33%, rgba(4, 9, 14, .2) 66%, rgba(2, 6, 10, .46) 100%),
    linear-gradient(0deg, rgba(2, 6, 10, .86) 0%, transparent 39%, rgba(2, 5, 9, .42) 100%);
}

.pf-page-home #client-problems .pf-scene-heading,
.pf-page-home #typical-scenarios .pf-scene-heading { width: min(700px, 52vw); }

.pf-page-home :is(#client-problems, #typical-scenarios, #engineering-trust, #delivery-os) .pf-scene-heading h2 {
  font-size: var(--pf-type-heading);
}

.pf-page-home #client-problems .pf-feature-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  justify-self: start;
  width: min(710px, 54vw);
  background: linear-gradient(180deg, rgba(5, 12, 17, .2), rgba(5, 12, 17, .58));
  backdrop-filter: blur(8px);
}

.pf-page-home #client-problems .pf-feature-item,
.pf-page-home #client-problems .pf-feature-item:nth-child(even) {
  min-height: 138px;
  padding: 18px 22px;
}

.pf-page-home #client-problems .pf-feature-item:nth-child(odd) { border-left: 0; }

.pf-page-home #typical-scenarios .pf-feature-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  justify-self: start;
  width: min(760px, 57vw);
  background: rgba(5, 12, 17, .42);
  backdrop-filter: blur(8px);
}

.pf-page-home #typical-scenarios .pf-feature-item,
.pf-page-home #typical-scenarios .pf-feature-item:nth-child(even) {
  min-height: 104px;
  padding: 14px 20px;
}

.pf-page-home #typical-scenarios .pf-feature-item:nth-child(odd) { border-left: 0; }

.pf-page-home :is(#engineering-trust, #delivery-os) .pf-scene-heading {
  justify-self: end;
  width: min(690px, 48vw);
}

.pf-page-home #engineering-trust .pf-detail-list,
.pf-page-home #delivery-os .pf-feature-grid {
  justify-self: end;
  width: min(720px, 50vw);
  background: rgba(5, 12, 17, .45);
  backdrop-filter: blur(8px);
}

.pf-page-home #delivery-os .pf-scene-content {
  grid-template-rows: auto 1fr auto;
  row-gap: 24px;
}
.pf-page-home #delivery-os .pf-feature-cta {
  position: static;
  justify-self: end;
  align-self: end;
}

.pf-form-scene .pf-scene-content,
.pf-auth-scene .pf-scene-content,
.pf-account-scene .pf-scene-content {
  grid-template-columns: minmax(0, .92fr) minmax(420px, .78fr);
  align-items: center;
  gap: clamp(40px, 7vw, 120px);
}

.pf-form-intro,
.pf-auth-intro,
.pf-account-copy { align-self: center; max-width: 720px; }

.pf-form-panel,
.pf-auth-panel,
.pf-account-panel {
  position: relative;
  z-index: 6;
  pointer-events: auto;
  width: 100%;
  max-height: calc(100dvh - var(--pf-header-height) - 60px);
  overflow: auto;
  padding: clamp(24px, 3.5vw, 46px);
  border: 1px solid rgba(207, 236, 240, .18);
  border-radius: var(--pf-radius);
  background: rgba(5, 11, 17, .72);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .06), 0 30px 80px rgba(0, 0, 0, .28);
  backdrop-filter: blur(26px) saturate(120%);
  -webkit-backdrop-filter: blur(26px) saturate(120%);
}

.pf-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 17px;
}

.pf-form-grid label,
.pf-auth-form > label:not(.pf-check) {
  display: grid;
  gap: 7px;
}

.pf-form-grid label.is-wide { grid-column: 1 / -1; }
.pf-form-grid label > span,
.pf-auth-form label > span { color: #d8e4e7; font-size: var(--pf-type-small); font-weight: 600; }

input,
textarea,
select {
  width: 100%;
  border: 1px solid rgba(199, 229, 234, .2);
  border-radius: 10px;
  background: rgba(3, 8, 13, .72);
  color: #edf5f7;
  transition: border-color .22s ease, background .22s ease, box-shadow .22s ease;
}

input,
select { min-height: 45px; padding: 0 13px; }
textarea { resize: vertical; min-height: 116px; padding: 12px 13px; }
input::placeholder, textarea::placeholder { color: #73828a; }
input:focus, textarea:focus, select:focus { outline: 0; border-color: var(--pf-accent); box-shadow: 0 0 0 3px rgba(125, 231, 235, .11); background: rgba(4, 10, 15, .92); }

.pf-consent,
.pf-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 17px;
  color: var(--pf-muted);
  font-size: 13px;
}

.pf-consent input,
.pf-check input { flex: 0 0 auto; width: 16px; height: 16px; min-height: auto; margin-top: 2px; accent-color: var(--pf-accent); }
.pf-consent a { color: #c9eef0; text-underline-offset: 3px; }
.pf-form-actions { display: flex; align-items: center; gap: 16px; margin-top: 20px; }
.pf-form-status { margin: 0; color: var(--pf-muted); font-size: var(--pf-type-small); }
.pf-form-status.is-error { color: #ffb7bd; }
.pf-form-status.is-success { color: var(--pf-accent); }
.pf-lead-form.is-loading { opacity: .72; pointer-events: none; }

.pf-auth-form { display: grid; gap: 16px; }
.pf-auth-form small { color: var(--pf-muted); }
.pf-auth-links { display: flex; justify-content: space-between; gap: 16px; }
.pf-auth-links a { color: #c7d5d8; text-decoration: none; font-size: var(--pf-type-small); }
.pf-auth-message { margin: 0 0 18px; padding: 12px 14px; border-radius: 10px; background: rgba(214, 89, 101, .14); color: #ffccd1; }
.pf-auth-message.is-success { background: rgba(125, 231, 235, .1); color: #c7fbfd; }
.pf-dev-reset { display: grid; gap: 8px; margin-top: 18px; padding: 14px; border: 1px dashed rgba(125, 231, 235, .35); border-radius: 10px; color: var(--pf-muted); font-size: 12px; overflow-wrap: anywhere; }
.pf-dev-reset a { color: var(--pf-accent); }

.pf-account-actions form { margin: 0; }
.pf-account-security { margin-bottom: 28px; padding-bottom: 24px; border-bottom: 1px solid var(--pf-line); }
.pf-account-security summary { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; cursor: pointer; list-style: none; }
.pf-account-security summary::-webkit-details-marker { display: none; }
.pf-account-security summary::after { content: "+"; margin-left: auto; color: var(--pf-accent); font-size: 22px; font-weight: 300; line-height: 1; }
.pf-account-security[open] summary::after { content: "−"; }
.pf-account-security summary > span { font-size: 18px; font-weight: 750; }
.pf-account-security summary > small { color: var(--pf-muted); font-size: 13px; }
.pf-account-security .pf-auth-message { margin-top: 18px; margin-bottom: 0; }
.pf-account-password { display: grid; gap: 13px; margin-top: 20px; }
.pf-account-password label { display: grid; gap: 6px; }
.pf-account-password label > span { color: #d8e4e7; font-size: var(--pf-type-small); font-weight: 600; }
.pf-account-password small,
.pf-account-password > p { margin: 0; color: var(--pf-muted); font-size: 13px; }
.pf-account-password .pf-button { justify-self: start; margin-top: 3px; }
.pf-account-panel ul { margin: 18px 0 0; padding: 0; list-style: none; }
.pf-account-panel li { display: grid; grid-template-columns: 1fr auto; gap: 4px 20px; padding: 15px 0; border-bottom: 1px solid var(--pf-line); }
.pf-account-panel li time { grid-column: 1 / -1; color: var(--pf-muted); font-size: 12px; }
.pf-account-panel li.is-empty { color: var(--pf-muted); }

.pf-message-scene .pf-scene-content { align-items: center; }
.pf-message-copy { max-width: 720px; }

.pf-footer {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.2fr 1fr auto;
  gap: 40px;
  align-items: end;
  min-height: 42dvh;
  padding: 12vh clamp(22px, 6vw, 104px) 6vh;
  border-top: 1px solid rgba(196, 225, 230, .1);
  background: #05090e;
}

.pf-footer strong { font-size: clamp(26px, 3vw, 44px); letter-spacing: .04em; }
.pf-footer p { max-width: 44ch; color: var(--pf-muted); }
.pf-footer nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 24px; }
.pf-footer a { color: #becdd1; text-decoration: none; }
.pf-footer > a { color: var(--pf-accent); }

@media (max-width: 1100px) {
  .pf-header { grid-template-columns: auto 1fr auto; }
  .pf-nav a { padding-inline: 10px; font-size: 11px; }
  .pf-nav-admin { display: none; }
  .pf-form-scene .pf-scene-content,
  .pf-auth-scene .pf-scene-content,
  .pf-account-scene .pf-scene-content { grid-template-columns: minmax(0, .8fr) minmax(390px, 1fr); gap: 38px; }
  .pf-page-home #client-problems .pf-feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); width: min(780px, 68vw); }
  .pf-page-home #client-problems .pf-feature-item:nth-child(odd) { border-left: 0; }
  .pf-page-home #client-problems .pf-feature-item:nth-child(even) { border-left: 1px solid var(--pf-line); }
  .pf-page-home #ai-core-services .pf-service-facts { display: none; }
  .pf-page-home #ai-core-services .pf-explorer-copies { top: 40%; }
  .pf-page-home #fde-delivery .pf-process-copy { grid-template-columns: minmax(0, 1fr) minmax(330px, .85fr); column-gap: 36px; }
  .pf-page-home #typical-scenarios .pf-feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); width: min(760px, 66vw); }
  .pf-page-home #typical-scenarios .pf-feature-item:nth-child(3n + 1) { border-left: 1px solid var(--pf-line); }
  .pf-page-home #typical-scenarios .pf-feature-item:nth-child(odd) { border-left: 0; }
}

@media (max-width: 900px) {
  :root { --pf-header-height: 68px; --pf-type-display: clamp(36px, 6.2vw, 56px); --pf-type-heading: clamp(28px, 4.8vw, 40px); --pf-type-subheading: clamp(26px, 4vw, 36px); --pf-type-body: 16px; }
  body.is-menu-open { overflow: hidden; }
  .pf-header { grid-template-columns: 1fr auto; padding: 11px 18px; }
  .pf-brand, .pf-menu-toggle { position: relative; z-index: 53; }
  .pf-account { display: none; }
  .pf-menu-toggle { display: grid; justify-items: center; gap: 5px; width: 44px; height: 44px; padding: 13px; border: 1px solid rgba(214, 239, 242, .23); border-radius: 50%; background: rgba(5, 10, 15, .64); }
  .pf-menu-toggle span { display: block; width: 17px; height: 1px; background: #e8f1f3; transition: transform .3s var(--pf-ease); }
  .pf-motion-toggle { top: 12px; right: 70px; bottom: auto; left: auto; z-index: 54; width: 44px; height: 44px; min-height: 44px; padding: 9px; }
  .is-menu-open .pf-motion-toggle { opacity: 0; pointer-events: none; }
  .pf-motion-toggle strong { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }
  .is-menu-open .pf-menu-toggle span:first-child { transform: translateY(3px) rotate(45deg); }
  .is-menu-open .pf-menu-toggle span:last-child { transform: translateY(-3px) rotate(-45deg); }
  .pf-nav { position: fixed; inset: 0; z-index: 51; display: grid; place-items: center; justify-self: stretch; width: auto; overflow-y: auto; overscroll-behavior: contain; padding: calc(var(--pf-header-height) + 20px) 20px 32px; border: 0; border-radius: 0; background: rgba(3, 8, 12, .98); opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(-12px); transition: opacity .35s ease, visibility .35s, transform .35s var(--pf-ease); }
  .is-menu-open .pf-nav { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0); }
  .pf-nav ul { display: grid; gap: 8px; width: min(88vw, 420px); }
  .pf-nav-mobile-account { display: list-item; }
  .pf-nav-mobile-account a { color: var(--pf-accent); }
  .pf-nav a { padding: 12px; border-radius: 0; border-bottom: 1px solid var(--pf-line); font-size: clamp(26px, 7vw, 42px); }
  .pf-nav a:hover, .pf-nav a[aria-current="page"] { background: transparent; color: var(--pf-accent); }
  .pf-scene-scrim { background: linear-gradient(0deg, rgba(2, 6, 10, .94) 0%, rgba(3, 8, 13, .66) 45%, rgba(2, 6, 10, .34) 100%); }
  .pf-scene-image, .pf-scene-video { object-position: 66% center; }
  .pf-scene-content { padding-inline: 22px; }
  .pf-hero-copy { align-self: end; width: 100%; margin: 0 0 8vh; }
  .pf-hero h1, .pf-auth-intro h1, .pf-message-copy h1 { max-width: 11ch; font-size: var(--pf-type-display); }
  .pf-lead { max-width: 34ch; margin-top: 18px; }
  .pf-ip-hit { inset: 10% 0 33% 20%; }
  .pf-ip-prompt { right: 18px; bottom: 18px; }
  .pf-scroll-sticky { padding-inline: 22px; }
  .pf-explorer-head { width: 100%; }
  .pf-explorer-head h2, .pf-scene-heading h2, .pf-form-intro h2, .pf-character-intro h2, .pf-horizontal-heading h2 { font-size: var(--pf-type-heading); }
  .pf-explorer-copies { left: 22px; top: 42%; width: calc(100% - 44px); }
  .pf-explorer-options { right: 22px; bottom: 20px; left: 22px; width: auto; grid-template-columns: repeat(5, minmax(86px, 1fr)); overflow-x: auto; border: 0; scroll-snap-type: x mandatory; }
  .pf-explorer-options button { grid-template-columns: 1fr; min-width: 118px; border: 1px solid var(--pf-line); padding: 10px; scroll-snap-align: start; }
  .pf-explorer-options button[aria-pressed="true"] { padding-left: 10px; border-color: rgba(125, 231, 235, .55); }
  .pf-feature-scene .pf-scene-content { grid-template-rows: auto 1fr auto; }
  .pf-detail-scene .pf-scene-content { grid-template-rows: auto 1fr; }
  .pf-scene-heading { width: 100%; }
  .pf-feature-grid, .pf-detail-list { align-self: end; justify-self: stretch; width: 100%; }
  .pf-feature-grid { grid-template-columns: 1fr 1fr; }
  .pf-feature-item { min-height: 130px; }
  .pf-feature-cta { position: relative; left: auto; bottom: auto; display: inline-flex; align-self: end; justify-self: start; margin-top: 12px; }
  .pf-horizontal-heading { top: calc(var(--pf-header-height) + 3vh); left: 22px; right: 22px; }
  .pf-process-copy { left: 22px; bottom: 8vh; width: calc(100% - 44px); }
  .pf-process-copy h3 { font-size: var(--pf-type-heading); }
  .pf-family-copies { left: 22px; bottom: 27vh; width: calc(100% - 44px); }
  .pf-family-choices { right: 22px; bottom: 20px; left: 22px; display: grid; grid-template-columns: repeat(5, minmax(80px, 1fr)); width: auto; overflow-x: auto; border: 0; }
  .pf-family-choices button { grid-template-columns: 1fr; min-width: 96px; border: 1px solid var(--pf-line); }
  .pf-character-intro { padding-inline: 0; }
  .pf-gallery-copy { width: 100%; margin-bottom: 6vh; }
  .pf-form-scene .pf-scene-content,
  .pf-auth-scene .pf-scene-content,
  .pf-account-scene .pf-scene-content { grid-template-columns: 1fr; align-content: end; gap: 24px; padding-top: calc(var(--pf-header-height) + 34px); padding-bottom: 28px; }
  .pf-form-intro, .pf-auth-intro, .pf-account-copy { align-self: end; }
  .pf-form-intro > p, .pf-auth-intro > p { margin-top: 12px; }
  .pf-form-panel, .pf-auth-panel, .pf-account-panel { max-height: 58dvh; padding: 22px; }
  .pf-footer { grid-template-columns: 1fr 1fr; min-height: 50dvh; padding-inline: 22px; }
  .pf-footer > a { grid-column: 1 / -1; }
  .pf-page-home #hero .pf-hero-copy { width: 100%; }
  .pf-page-home #hero h1 { max-width: 10ch; font-size: var(--pf-type-display); }
  .pf-page-home #client-problems .pf-feature-grid,
  .pf-page-home #typical-scenarios .pf-feature-grid,
  .pf-page-home #engineering-trust .pf-detail-list,
  .pf-page-home #delivery-os .pf-feature-grid { width: 100%; }
  .pf-page-home #ai-core-services .pf-explorer-head { width: 100%; }
  .pf-page-home #ai-core-services .pf-explorer-copies { top: 39%; width: calc(100% - 44px); }
  .pf-page-home #ai-core-services .pf-explorer-copy h3 { font-size: var(--pf-type-subheading); }
  .pf-page-home #specialist-capabilities .pf-family-copies { top: auto; bottom: 28vh; width: calc(100% - 44px); }
  .pf-page-home #specialist-capabilities .pf-family-choices { width: auto; }
  .pf-page-home #specialist-capabilities .pf-family-choices button { grid-template-columns: 1fr; min-height: 72px; }
  .pf-page-home #fde-delivery .pf-process-copy { display: block; width: calc(100% - 44px); }
  .pf-page-home #fde-delivery .pf-process-copy h3 { font-size: var(--pf-type-heading); }
  .pf-page-home #fde-delivery .pf-process-copy > p:last-of-type { max-width: 42ch; }
  .pf-page-home #fde-delivery .pf-process-meta { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 18px; }
  .pf-page-home #engineering-trust .pf-detail-item { min-height: 114px; }
  .pf-page-home main > .pf-scene { min-height: max(100dvh, 860px); }
  .pf-page-home .pf-scene-image,
  .pf-page-home .pf-scene-video { object-position: center top; }
  .pf-page-home .pf-ip-hit,
  .pf-page-home .pf-ip-hit:is([data-ip="zhixu"], [data-ip="lixing"], [data-ip="shouheng"], [data-ip="cangling"]) { inset: 8% 0 44%; }
  .pf-page-home .pf-ip-prompt,
  .pf-page-home .pf-ip-hit:is([data-ip="zhixu"], [data-ip="lixing"], [data-ip="shouheng"], [data-ip="cangling"]) .pf-ip-prompt {
    top: calc(var(--pf-header-height) + 14px);
    right: 18px;
    bottom: auto !important;
    left: auto;
  }
  .pf-page-home .pf-ip-hit:is([data-ip="zhixu"], [data-ip="lixing"], [data-ip="shouheng"], [data-ip="cangling"]) .pf-ip-prompt {
    right: auto;
    left: 18px;
  }
  .pf-page-home .pf-switch-scene .pf-ip-hit .pf-ip-prompt { top: 53%; }
  .pf-switch-heading,
  .pf-page-home :is(#ai-core-services, #fde-delivery) .pf-switch-heading {
    top: calc(var(--pf-header-height) + 3vh);
    right: 22px;
    left: 22px;
    width: auto;
  }
  .pf-switch-heading h2 { max-width: 12ch; font-size: var(--pf-type-heading); }
  .pf-switch-heading > p:last-child { max-width: 48ch; margin-top: 13px; font-size: var(--pf-type-body); }
  .pf-switch-panels,
  .pf-page-home :is(#ai-core-services, #fde-delivery) .pf-switch-panels {
    top: 42%;
    right: 22px;
    bottom: auto;
    left: 22px;
    width: auto;
    min-height: 260px;
  }
  .pf-switch-copy { width: min(600px, 82vw); }
  .pf-switch-copy h3 { font-size: var(--pf-type-subheading); }
  .pf-switch-copy > p:not(.pf-eyebrow) { max-width: 48ch; margin-top: 12px; font-size: var(--pf-type-body); }
  .pf-switch-facts { max-width: 620px; margin-top: 14px; }
  .pf-switch-options,
  .pf-switch-specialists .pf-switch-options {
    right: 22px;
    bottom: 24px;
    left: 22px;
    display: grid;
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: minmax(128px, 1fr);
    width: auto;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    overscroll-behavior-inline: contain;
    scrollbar-width: thin;
  }
  .pf-switch-options button { min-height: 76px; scroll-snap-align: start; }
  .pf-switch-process .pf-switch-options { grid-template-columns: none; }
  .pf-page-home :is(#engineering-trust, #delivery-os) .pf-scene-heading { width: min(650px, 82vw); }
}

@media (max-width: 700px) {
  .pf-horizontal-world { overflow: visible; }
  .pf-horizontal-track { display: grid; width: 100%; will-change: auto; }
  .pf-process-panel { width: 100%; min-height: 100dvh; }
}

@media (max-width: 620px) {
  :root { --pf-type-display: clamp(32px, 8.6vw, 44px); --pf-type-heading: clamp(28px, 7.2vw, 36px); --pf-type-subheading: clamp(26px, 6.6vw, 32px); }
  .pf-breadcrumb { margin-bottom: 12px; font-size: var(--pf-type-label); }
  .pf-breadcrumb [aria-current="page"] { max-width: 48vw; }
  .pf-hero h1, .pf-auth-intro h1, .pf-message-copy h1 { font-size: var(--pf-type-display); }
  :is(.pf-page-spatial, .pf-page-web3, .pf-page-ip) .pf-hero h1 {
    max-width: none;
    font-size: var(--pf-type-display);
    line-height: var(--pf-leading-display);
  }
  .pf-lead { font-size: var(--pf-type-body); line-height: var(--pf-leading-body); }
  .pf-actions { margin-top: 24px; }
  .pf-button { min-height: 46px; padding-inline: 19px; font-size: var(--pf-type-small); }
  .pf-ip-prompt { padding: 9px 11px; }
  .pf-ip-prompt span { display: block; font-size: 9px; }
  .pf-hero .pf-ip-prompt { top: 20px; right: 10px; bottom: auto; }
  .pf-hero .pf-scene-layer[data-ip-layer="suoguang"] .pf-scene-image,
  .pf-hero .pf-scene-layer[data-ip-layer="suoguang"] .pf-scene-video {
    position: absolute;
    inset: 28px 8px auto auto;
    width: auto;
    height: clamp(390px, 50dvh, 440px);
    margin: 0;
    object-fit: contain;
    object-position: center;
  }
  /* Portrait screens retain each character's complete face without turning the
     authored landscape plates into full-body contained images. */
  :is(.pf-scene, .pf-process-panel, .pf-scroll-sticky) .pf-scene-layer[data-ip-layer="guanche"] :is(.pf-scene-image, .pf-scene-video) { object-position: 76% center; }
  :is(.pf-scene, .pf-process-panel, .pf-scroll-sticky) .pf-scene-layer[data-ip-layer="zhixu"] :is(.pf-scene-image, .pf-scene-video) { object-position: 20% center; }
  :is(.pf-scene, .pf-process-panel, .pf-scroll-sticky) .pf-scene-layer[data-ip-layer="huguang"] :is(.pf-scene-image, .pf-scene-video) { object-position: 74% center; }
  :is(.pf-scene, .pf-process-panel, .pf-scroll-sticky) .pf-scene-layer[data-ip-layer="lixing"] :is(.pf-scene-image, .pf-scene-video) { object-position: 22% center; }
  :is(.pf-scene, .pf-process-panel, .pf-scroll-sticky) .pf-scene-layer[data-ip-layer="nuomi"] :is(.pf-scene-image, .pf-scene-video) { object-position: 67% center; }
  :is(.pf-scene, .pf-process-panel, .pf-scroll-sticky) .pf-scene-layer[data-ip-layer="shouheng"] :is(.pf-scene-image, .pf-scene-video) { object-position: 22% center; }
  :is(.pf-scene, .pf-process-panel, .pf-scroll-sticky) .pf-scene-layer[data-ip-layer="cangling"] :is(.pf-scene-image, .pf-scene-video) { object-position: 22% center; }
  .pf-hero .pf-ip-hit[data-ip="suoguang"] .pf-ip-prompt {
    top: calc(var(--pf-header-height) + 22px);
    right: auto;
    left: 18px;
  }
  .pf-reaction { left: 62%; width: 130px; height: 130px; }
  .pf-reaction-core { inset: 55px; }
  .pf-explorer-head > p, .pf-scene-heading > p { margin-top: 12px; font-size: var(--pf-type-body); }
  .pf-explorer-copies { top: 44%; }
  .pf-explorer-options,
  .pf-family-choices {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: 138px;
    gap: 8px;
    overscroll-behavior-inline: contain;
    scrollbar-color: rgba(125, 231, 235, .5) rgba(4, 10, 15, .48);
    scrollbar-width: thin;
  }
  .pf-page-home #ai-core-services .pf-explorer-options {
    right: 22px;
    left: 22px;
    width: auto;
  }
  .pf-explorer-options button,
  .pf-family-choices button {
    width: 138px;
    min-width: 138px;
    min-height: 72px;
    overflow: hidden;
  }
  .pf-explorer-options button strong,
  .pf-family-choices button strong {
    display: -webkit-box;
    overflow: hidden;
    font-size: var(--pf-type-small);
    line-height: 1.5;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }
  .pf-explorer-copy h3, .pf-family-copy h3, .pf-gallery-copy h2 { font-size: var(--pf-type-subheading); }
  .pf-explorer-copy > p:last-of-type, .pf-family-copy > p:last-of-type { font-size: var(--pf-type-body); }
  .pf-family-copies { bottom: 116px; height: 32dvh; }
  .pf-feature-grid { grid-template-columns: 1fr; max-height: none; overflow: visible; border: 1px solid var(--pf-line); background: rgba(4, 10, 15, .48); backdrop-filter: blur(12px); }
  .pf-feature-item, .pf-feature-item:nth-child(even) { min-height: auto; padding: 15px; border-left: 0; }
  .pf-feature-item h3 { font-size: 18px; }
  .pf-feature-item p { font-size: var(--pf-type-small); }
  .pf-detail-list { max-height: none; overflow: visible; }
  .pf-detail-item { padding: 16px 0; font-size: 18px; }
  .pf-form-grid { grid-template-columns: 1fr; }
  .pf-form-grid label.is-wide { grid-column: auto; }
  .pf-form-scene .pf-scene-content,
  .pf-auth-scene .pf-scene-content,
  .pf-account-scene .pf-scene-content { align-content: start; padding-top: calc(var(--pf-header-height) + 9vh); padding-bottom: 54px; }
  .pf-form-panel, .pf-auth-panel, .pf-account-panel { max-height: none; overflow: visible; padding: 18px; }
  .pf-detail-scene .pf-ip-prompt,
  .pf-family-scene .pf-ip-prompt,
  .pf-form-scene .pf-ip-prompt,
  .pf-auth-scene .pf-ip-prompt,
  .pf-account-scene .pf-ip-prompt {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    clip-path: inset(50%) !important;
    white-space: nowrap !important;
    border: 0 !important;
    pointer-events: none;
    transform: none !important;
  }
  .pf-form-actions { align-items: flex-start; flex-direction: column; }
  .pf-footer { grid-template-columns: 1fr; min-height: auto; padding-block: 80px 40px; }
  .pf-footer > a { grid-column: auto; }
  .pf-page-home #client-problems,
  .pf-page-home #typical-scenarios,
  .pf-page-home #engineering-trust,
  .pf-page-home #delivery-os { min-height: 980px; overflow: hidden; }
  .pf-page-home #client-problems .pf-scene-content,
  .pf-page-home #typical-scenarios .pf-scene-content,
  .pf-page-home #engineering-trust .pf-scene-content,
  .pf-page-home #delivery-os .pf-scene-content { min-height: inherit; }
  .pf-page-home #client-problems .pf-feature-grid,
  .pf-page-home #typical-scenarios .pf-feature-grid,
  .pf-page-home #engineering-trust .pf-detail-list,
  .pf-page-home #delivery-os .pf-feature-grid { grid-template-columns: 1fr; }
  .pf-page-home #client-problems .pf-feature-item,
  .pf-page-home #client-problems .pf-feature-item:nth-child(even),
  .pf-page-home #typical-scenarios .pf-feature-item,
  .pf-page-home #typical-scenarios .pf-feature-item:nth-child(even),
  .pf-page-home #delivery-os .pf-feature-item,
  .pf-page-home #delivery-os .pf-feature-item:nth-child(even) { min-height: auto; padding: 14px; border-left: 0; }
  .pf-page-home #engineering-trust .pf-detail-item,
  .pf-page-home #engineering-trust .pf-detail-item:nth-child(even),
  .pf-page-home #engineering-trust .pf-detail-item:nth-last-child(-n + 2) { min-height: auto; padding: 14px; border-right: 0; border-bottom: 1px solid var(--pf-line); border-left: 0; }
  .pf-page-home #engineering-trust .pf-detail-item:last-child { border-bottom: 0; }
  .pf-page-home :is(#client-problems, #typical-scenarios, #delivery-os) .pf-ip-prompt {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    clip-path: inset(50%) !important;
    white-space: nowrap !important;
    border: 0 !important;
    pointer-events: none;
    transform: none !important;
  }
  .pf-page-home #specialist-capabilities { min-height: 820px; }
  .pf-page-home #specialist-capabilities .pf-scene-content { min-height: inherit; }
  .pf-page-home #specialist-capabilities .pf-family-copies { top: auto; bottom: 136px; height: 32dvh; }
  .pf-page-home #fde-delivery .pf-process-panel { min-height: 900px; }
  .pf-page-home #fde-delivery .pf-process-copy { bottom: 42px; }
  .pf-page-home #fde-delivery .pf-process-meta { gap: 10px 14px; }
  .pf-page-home #fde-delivery .pf-process-meta dd { font-size: var(--pf-type-small); }
  .pf-page-home #delivery-os .pf-feature-cta { display: flex; flex-wrap: wrap; }
  .pf-page-home main > .pf-scene { min-height: 980px; }
  .pf-page-home #hero { min-height: 100dvh; }
  .pf-page-home .pf-switch-scene { min-height: 940px; }
  .pf-switch-heading,
  .pf-page-home :is(#ai-core-services, #fde-delivery) .pf-switch-heading {
    top: calc(var(--pf-header-height) + 4vh);
  }
  .pf-switch-heading .pf-eyebrow { margin-bottom: 11px; }
  .pf-switch-heading h2 { max-width: 13ch; font-size: var(--pf-type-heading); }
  .pf-switch-heading > p:last-child { max-width: 38ch; font-size: var(--pf-type-body); line-height: var(--pf-leading-body); }
  .pf-switch-panels,
  .pf-page-home :is(#ai-core-services, #fde-delivery) .pf-switch-panels {
    top: 42%;
    min-height: 360px;
  }
  .pf-switch-copy { width: 100%; }
  .pf-switch-copy .pf-eyebrow { margin-bottom: 10px; }
  .pf-switch-copy h3 { max-width: 14ch; font-size: var(--pf-type-subheading); }
  .pf-switch-copy > p:not(.pf-eyebrow) { font-size: var(--pf-type-body); line-height: var(--pf-leading-body); }
  .pf-switch-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 12px; }
  .pf-switch-facts dd { font-size: var(--pf-type-small); }
  .pf-switch-copy .pf-text-link { margin-top: 11px; font-size: var(--pf-type-small); }
  .pf-switch-options,
  .pf-switch-specialists .pf-switch-options {
    right: 18px;
    bottom: 24px;
    left: 18px;
    grid-auto-columns: 132px;
  }
  .pf-switch-options button { min-height: 72px; padding: 11px 12px 9px; }
  .pf-page-home .pf-switch-scene .pf-ip-prompt {
    top: 30%;
  }
  .pf-page-home main > .pf-scene:not(#hero) .pf-ip-prompt {
    position: absolute !important;
    top: 16%;
    right: 14px !important;
    bottom: auto !important;
    left: auto !important;
    width: auto !important;
    height: auto !important;
    padding: 9px 11px !important;
    margin: 0 !important;
    overflow: visible !important;
    clip: auto !important;
    clip-path: none !important;
    white-space: normal !important;
    border: 1px solid rgba(218, 243, 245, .25) !important;
    pointer-events: auto;
    transform: none !important;
  }
  .pf-page-home main > .pf-scene:not(#hero) .pf-ip-hit {
    z-index: 5;
    pointer-events: none;
  }
  .pf-page-home main > .pf-scene:not(#hero) .pf-ip-hit .pf-ip-prompt { pointer-events: auto; }
  .pf-page-home main > .pf-switch-scene:not(#hero) .pf-ip-prompt { top: 44%; }
  .pf-page-home #specialist-capabilities.pf-switch-scene { min-height: 980px; }
  .pf-page-home main > #specialist-capabilities.pf-switch-scene:not(#hero) .pf-ip-prompt { top: 58%; }
  .pf-page-home main > .pf-scene:not(#hero) .pf-ip-hit:is([data-ip="zhixu"], [data-ip="lixing"], [data-ip="shouheng"], [data-ip="cangling"]) .pf-ip-prompt {
    right: auto !important;
    left: 14px !important;
  }
  /* The closing chapter keeps its IP action between the introduction and
     the project modules, so longer mobile copy cannot collide with it. */
  .pf-page-home main > #delivery-os.pf-scene {
    display: grid;
    grid-template-rows: auto minmax(96px, 1fr) auto auto;
    gap: 24px;
    padding: calc(var(--pf-header-height) + 32px) 22px 54px;
  }
  .pf-page-home #delivery-os .pf-scene-content { display: contents; }
  .pf-page-home #delivery-os :is(.pf-scene-heading, .pf-feature-grid, .pf-feature-cta) { position: relative; z-index: 4; }
  .pf-page-home #delivery-os .pf-scene-heading { grid-row: 1; width: 100%; }
  .pf-page-home #delivery-os .pf-feature-grid { grid-row: 3; }
  .pf-page-home #delivery-os .pf-feature-cta { grid-row: 4; }
  .pf-page-home main > #delivery-os.pf-scene .pf-ip-hit {
    position: relative;
    inset: auto;
    grid-row: 2;
    justify-self: start;
    align-self: start;
    width: auto;
    min-height: 48px;
    pointer-events: auto;
  }
  .pf-page-home main > #delivery-os.pf-scene .pf-ip-hit[data-ip] .pf-ip-prompt { position: static !important; }
}

@media (max-width: 620px) and (max-height: 650px) {
  .pf-hero-copy { margin-bottom: 4vh; }
  .pf-hero h1 { font-size: var(--pf-type-display); }
}

@media (max-width: 900px) and (max-height: 700px) {
  .pf-nav { place-items: start center; }
}

/* Desktop columns keep the cinematic composition without a fixed-height
   detail box: readable type and longer CMS copy can extend the chapter. */
@media (min-width: 901px) {
  .pf-brand-controls .pf-motion-toggle {
    position: static;
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    min-width: 44px;
    padding: 9px;
    border-radius: 50%;
  }
  .pf-brand-controls .pf-motion-toggle strong { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }
  .pf-page-home main > .pf-switch-scene .pf-scene-content {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: auto 1fr auto;
    gap: clamp(28px, 4vh, 52px) clamp(36px, 5vw, 80px);
  }
  .pf-page-home main > .pf-switch-scene :is(.pf-switch-heading, .pf-switch-panels, .pf-switch-options) {
    position: relative;
    inset: auto;
    width: 100%;
    min-width: 0;
    min-height: 0;
  }
  .pf-page-home main > .pf-switch-scene .pf-switch-heading { grid-column: 1; grid-row: 1; }
  .pf-page-home main > .pf-switch-scene .pf-switch-panels { grid-column: 1; grid-row: 2; align-self: center; }
  .pf-page-home main > .pf-switch-scene .pf-switch-options { grid-column: 1 / -1; grid-row: 3; }
  .pf-page-home main > :is(#ai-core-services, #fde-delivery).pf-switch-scene :is(.pf-switch-heading, .pf-switch-panels) { grid-column: 2; inset: auto; width: 100%; }
  .pf-character-scene[data-character-side] .pf-scene-content { padding-bottom: 110px; }
}

/* Let service chapters grow with their copy on tablets and phones. Fixed
   percentage anchors cannot accommodate readable text or longer CMS content. */
@media (max-width: 900px) {
  .pf-page-home main > .pf-switch-scene:not(#hero) {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto minmax(200px, 24vh) auto auto;
    gap: 28px;
    min-height: 100dvh;
    padding: calc(var(--pf-header-height) + 32px) 22px 44px;
  }
  .pf-page-home main > .pf-switch-scene:not(#hero) .pf-scene-content {
    display: contents;
    min-height: 0;
    padding: 0;
  }
  .pf-page-home main > .pf-switch-scene:not(#hero) :is(.pf-switch-heading, .pf-switch-panels, .pf-switch-options) {
    position: relative;
    inset: auto;
    width: 100%;
    min-width: 0;
    min-height: 0;
  }
  .pf-page-home main > .pf-switch-scene:not(#hero) .pf-switch-heading { grid-row: 1; }
  .pf-page-home main > .pf-switch-scene:not(#hero) .pf-switch-panels { grid-row: 3; }
  .pf-page-home main > .pf-switch-scene:not(#hero) .pf-switch-options { grid-row: 4; }
  .pf-page-home main > .pf-switch-scene:not(#hero) .pf-switch-copy { width: 100%; }
  .pf-page-home main > .pf-switch-scene:not(#hero) [data-ip-stage].pf-ip-hit {
    position: relative;
    inset: auto;
    grid-row: 2;
    display: flex;
    align-items: end;
    justify-content: end;
    width: 100%;
    min-height: 200px;
    pointer-events: auto;
  }
  .pf-page-home main > .pf-switch-scene:not(#hero) [data-ip-stage].pf-ip-hit .pf-ip-prompt {
    position: static !important;
    inset: auto !important;
    width: max-content !important;
    max-width: 100%;
    margin: 0 !important;
  }
  .pf-page-home main > #delivery-os.pf-scene {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto minmax(96px, 1fr) auto auto;
    gap: 24px;
    padding: calc(var(--pf-header-height) + 32px) 22px 54px;
  }
  .pf-page-home main > #delivery-os.pf-scene .pf-scene-content { display: contents; min-height: 0; padding: 0; }
  .pf-page-home main > #delivery-os.pf-scene .pf-scene-heading { grid-row: 1; width: 100%; }
  .pf-page-home main > #delivery-os.pf-scene .pf-feature-grid { grid-row: 3; width: 100%; }
  .pf-page-home main > #delivery-os.pf-scene .pf-feature-cta { grid-row: 4; margin: 0; }
  .pf-page-home #delivery-os .pf-scene-layer[data-ip-layer="cangling"] :is(.pf-scene-image, .pf-scene-video) { object-position: 22% center; }
  .pf-page-home main > #delivery-os.pf-scene [data-ip-stage].pf-ip-hit {
    position: relative;
    inset: auto;
    grid-row: 2;
    display: flex;
    align-items: center;
    width: 100%;
    min-height: 96px;
    pointer-events: auto;
  }
  .pf-page-home main > #delivery-os.pf-scene [data-ip-stage].pf-ip-hit .pf-ip-prompt { position: static !important; inset: auto !important; width: max-content !important; }
}

@media (max-width: 900px) and (max-height: 520px) and (orientation: landscape) {
  :root { --pf-header-height: 54px; --pf-type-display: clamp(28px, 4.5vw, 36px); --pf-type-heading: clamp(26px, 3.8vw, 32px); --pf-type-subheading: clamp(24px, 3.2vw, 28px); --pf-type-body: 14px; --pf-type-small: 13px; --pf-type-label: 11px; }
  .pf-header { padding-block: 5px; }
  .pf-brand { font-size: 13px; }
  .pf-menu-toggle { width: 40px; height: 40px; }
  .pf-scene-content { padding: calc(var(--pf-header-height) + 4px) 18px 12px; }
  .pf-hero-copy { align-self: center; width: min(68vw, 470px); margin: 0; }
  .pf-breadcrumb { margin-bottom: 5px; font-size: var(--pf-type-label); }
  .pf-eyebrow { margin-bottom: 7px; font-size: var(--pf-type-label); }
  .pf-hero h1 { max-width: 13ch; font-size: var(--pf-type-display); line-height: var(--pf-leading-display); }
  .pf-lead { max-width: 42ch; margin-top: 8px; font-size: var(--pf-type-body); line-height: 1.55; }
  .pf-actions { gap: 8px; margin-top: 11px; }
  .pf-button { min-height: 36px; padding-inline: 15px; font-size: var(--pf-type-small); }
  .pf-hero .pf-ip-prompt { top: calc(var(--pf-header-height) + 4px); }
  .pf-motion-toggle { top: 5px; right: 70px; bottom: auto; left: auto; }

  /* Homepage selectors above are deliberately specific; match that specificity
     here so compact landscape screens do not inherit the tablet-sized hero. */
  .pf-page-home #hero .pf-hero-copy { width: min(55vw, 440px); }
  .pf-page-home #hero h1 { max-width: 11ch; font-size: var(--pf-type-display); line-height: var(--pf-leading-display); }
  .pf-page-home #hero .pf-lead { max-width: 48ch; margin-top: 8px; font-size: var(--pf-type-body); line-height: 1.55; }
  .pf-page-home #hero .pf-ip-prompt {
    top: auto;
    right: 18px;
    bottom: 58px;
    padding: 8px 10px;
  }
  .pf-page-home #hero .pf-ip-prompt span { display: none; }
}

body.is-motion-paused *,
body.is-motion-paused *::before,
body.is-motion-paused *::after {
  animation-duration: .001ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: .001ms !important;
  scroll-behavior: auto !important;
}

@media (prefers-reduced-transparency: reduce) {
  .pf-header.is-scrolled,
  .pf-nav,
  .pf-ip-prompt,
  .pf-form-panel,
  .pf-auth-panel,
  .pf-account-panel { backdrop-filter: none; -webkit-backdrop-filter: none; background: #071016; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .pf-reveal { opacity: 1 !important; visibility: visible !important; transform: none !important; }
  .pf-page-curtain { display: none; }
  .pf-horizontal-world { overflow: visible; }
  .pf-horizontal-track { display: grid; width: 100%; will-change: auto; }
  .pf-process-panel { width: 100%; min-height: 100dvh; }
}

body.is-motion-paused *,
body.is-motion-paused *::before,
body.is-motion-paused *::after { animation-play-state: paused !important; }
/* Theme pages keep their capability copy beside the character, not over its face. */
@media (min-width: 901px) {
  .pf-page-ip .pf-hero h1 { max-width: none; font-size: var(--pf-type-display); }
}
:is(.pf-page-spatial, .pf-page-web3, .pf-page-ip) .pf-feature-scene .pf-scene-content {
  grid-template-rows: auto auto auto;
  align-content: center;
  gap: 24px;
}
:is(.pf-page-spatial, .pf-page-web3, .pf-page-ip) .pf-feature-scene :is(.pf-scene-heading, .pf-feature-grid) {
  justify-self: start;
  width: min(620px, 48vw);
}
:is(.pf-page-spatial, .pf-page-web3, .pf-page-ip) .pf-feature-scene .pf-feature-cta {
  position: static;
  justify-self: start;
  margin-top: 0;
}
@media (max-width: 900px) {
  :is(.pf-page-spatial, .pf-page-web3, .pf-page-ip) .pf-feature-scene { min-height: max(100dvh, 1040px); }
  :is(.pf-page-spatial, .pf-page-web3, .pf-page-ip) .pf-feature-scene .pf-scene-content { min-height: inherit; align-content: space-between; }
  :is(.pf-page-spatial, .pf-page-web3, .pf-page-ip) .pf-feature-scene :is(.pf-scene-heading, .pf-feature-grid) { width: 100%; }
  :is(.pf-page-spatial, .pf-page-web3, .pf-page-ip) .pf-feature-scene .pf-scene-heading h2 { font-size: var(--pf-type-heading); }
  :is(.pf-page-spatial, .pf-page-web3, .pf-page-ip) .pf-feature-scene .pf-feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: clamp(290px, 78vw, 340px);
    background: rgba(4, 10, 15, .38);
  }
  :is(.pf-page-spatial, .pf-page-web3, .pf-page-ip) .pf-feature-scene .pf-feature-item { padding: 15px; }
  :is(.pf-page-spatial, .pf-page-web3, .pf-page-ip) .pf-feature-scene .pf-feature-item:nth-child(even) { border-left: 1px solid var(--pf-line); }
  :is(.pf-page-spatial, .pf-page-web3, .pf-page-ip) .pf-feature-scene :is(.pf-scene-image, .pf-scene-video) {
    position: absolute;
    top: calc(var(--pf-header-height) + 158px);
    width: 100%;
    height: min(58dvh, 108vw);
    margin: 0;
    object-fit: cover;
    object-position: 92% center;
  }
  :is(.pf-page-spatial, .pf-page-web3, .pf-page-ip) .pf-feature-scene .pf-ip-hit {
    inset: calc(var(--pf-header-height) + 158px) 0 auto 0;
    height: min(58dvh, 108vw);
  }
  :is(.pf-page-spatial, .pf-page-web3, .pf-page-ip) .pf-feature-scene .pf-ip-prompt { top: 8px; right: 18px; bottom: auto; }
}

@media (max-width: 900px) {
  /* Keep existing films legible when reassigned from a full scene to a process panel. */
  .pf-process-media :is(.pf-scene-image, .pf-scene-video) {
    position: absolute;
    top: calc(var(--pf-header-height) + 18px);
    width: 100%;
    height: min(62dvh, 118vw);
    margin: 0;
    object-fit: cover;
    object-position: 95% center;
    mask-image: linear-gradient(#000 0%, #000 82%, transparent 100%);
  }
  .pf-process-panel .pf-scene-layer:is([data-ip-layer="lixing"], [data-ip-layer="cangling"], [data-ip-layer="shouheng"]) :is(.pf-scene-image, .pf-scene-video) {
    object-position: 22% center;
  }
  .pf-process-panel:first-child .pf-scene-layer :is(.pf-scene-image, .pf-scene-video) {
    top: calc(var(--pf-header-height) + 158px);
    height: min(58dvh, 108vw);
  }
  .pf-process-panel .pf-ip-prompt { top: 16px; bottom: auto; }
}

/* Gallery copy follows the empty side of the authored plate. On portrait
   screens, native grid gives the introduction, film and copy separate rows. */
.pf-character-scene[data-character-side] { --pf-gallery-focus: 92%; }
.pf-character-scene[data-character-side="left"] { --pf-gallery-focus: 22%; }
.pf-character-scene:has([data-ip-layer="nuomi"]) { --pf-gallery-focus: 84%; }
.pf-character-scene:has([data-ip-layer="guanche"]) { --pf-gallery-focus: 76%; }
.pf-character-scene:has([data-ip-layer="huguang"]) { --pf-gallery-focus: 74%; }
.pf-character-scene:has([data-ip-layer="zhixu"]) { --pf-gallery-focus: 20%; }
@media (min-width: 901px) {
  .pf-character-scene[data-character-side] .pf-scene-motion { inset: calc(var(--pf-header-height) + 32px) 0 24px; }
  .pf-character-scene[data-character-side] :is(.pf-gallery-copy, .pf-character-intro) { width: min(600px, 42vw); }
  .pf-character-scene[data-character-side="left"] .pf-scene-content { justify-items: end; }
  .pf-character-scene[data-character-side="left"] .pf-scene-scrim {
    background: linear-gradient(270deg, rgba(2, 6, 10, .9), rgba(3, 8, 13, .62) 35%, rgba(2, 6, 10, .12) 72%),
      linear-gradient(0deg, rgba(2, 6, 10, .75), transparent 48%);
  }
  .pf-process-panel[data-character-side="left"] .pf-process-copy {
    left: auto;
    right: clamp(22px, 6vw, 104px);
    width: min(600px, 44vw);
  }
}
@media (max-width: 900px) {
  .pf-character-scene[data-character-side] {
    --pf-gallery-film-height: min(58dvh, 108vw);
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto var(--pf-gallery-film-height) auto;
    align-content: center;
    padding: calc(var(--pf-header-height) + 12px) 0 42px;
  }
  .pf-character-scene[data-character-side] .pf-scene-content { display: contents; }
  .pf-character-scene[data-character-side] .pf-character-intro {
    grid-row: 1;
    grid-column: 1;
    margin: 0 22px 18px;
  }
  .pf-character-scene[data-character-side] .pf-scene-media {
    position: relative;
    inset: auto;
    z-index: 0;
    grid-area: 2 / 1;
    min-width: 0;
    background: transparent;
  }
  .pf-character-scene[data-character-side] .pf-scene-motion { inset: 0; }
  .pf-character-scene[data-character-side] .pf-scene-layer :is(.pf-scene-image, .pf-scene-video) {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    object-fit: cover;
    object-position: var(--pf-gallery-focus) center;
    mask-image: linear-gradient(#000 0%, #000 84%, transparent 100%);
  }
  .pf-character-scene[data-character-side] .pf-gallery-copy {
    position: relative;
    z-index: 4;
    grid-area: 3 / 1;
    width: auto;
    min-width: 0;
    margin: 12px 22px 0;
  }
  .pf-character-scene[data-character-side] .pf-ip-hit {
    position: relative;
    grid-area: 2 / 1;
    inset: auto;
    width: 100%;
    height: 100%;
    min-width: 0;
  }
  .pf-character-scene[data-character-side] .pf-ip-hit .pf-ip-prompt {
    top: auto;
    right: 22px;
    bottom: 8px;
    left: auto;
    max-width: calc(100% - 44px);
  }
}
@media (max-width: 900px) and (orientation: landscape) {
  .pf-character-scene[data-character-side] { --pf-gallery-film-height: max(280px, 70dvh); }
  .pf-character-scene[data-character-side] .pf-scene-layer :is(.pf-scene-image, .pf-scene-video) { object-fit: contain; }
}

/* Readable service briefs share the cinematic site's palette, not its viewport height. */
.pf-editorial-section { position: relative; isolation: isolate; padding: clamp(56px, 7vw, 112px) max(24px, calc((100vw - 1140px) / 2)); background: #080e14; scroll-margin-top: 90px; }
.pf-editorial-section:nth-of-type(even) { background: #0b131b; }
.pf-editorial-section > header { max-width: 780px; margin-bottom: 38px; }
.pf-editorial-section h2 { font-size: var(--pf-type-subheading); line-height: var(--pf-leading-heading); letter-spacing: var(--pf-tracking-heading); margin: 0 0 18px; text-wrap: balance; }
.pf-editorial-section p { color: #b9cbd0; line-height: 1.8; white-space: pre-line; overflow-wrap: anywhere; }
.pf-editorial-section > header p { font-size: var(--pf-type-body); }
.pf-editorial-items { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 34px 52px; }
.pf-editorial-item { min-width: 0; padding-top: 22px; border-top: 1px solid #23353e; }
.pf-editorial-item h3 { color: #eaf5f6; font-size: clamp(18px, 1.5vw, 22px); line-height: 1.4; margin: 0 0 12px; }
.pf-editorial-item p { margin: 0 0 16px; }
.is-link_grid .pf-editorial-item { padding: 28px; border: 1px solid #263b43; border-radius: 16px; background: linear-gradient(140deg, #12252c, #0b141c); }
.is-faq .pf-editorial-items { display: block; max-width: 900px; }
.pf-faq-item { border-bottom: 1px solid #263b43; }
.pf-faq-item summary { cursor: pointer; padding: 22px 30px 22px 0; font-weight: 700; font-size: 18px; line-height: 1.5; }
.pf-faq-item[open] summary { color: var(--accent, #7de7eb); }
.pf-faq-item p { margin: 0 0 28px; }
.pf-editorial-section > .pf-actions { margin-top: 40px; }
.pf-editorial-page .pf-hero { min-height: 780px; min-height: min(900px, 100svh); }
.pf-editorial-page .pf-hero h1 { font-size: var(--pf-type-display); max-width: 12em; }
.pf-editorial-page .pf-hero-copy { max-width: 650px; }
.pf-editorial-page .pf-hero .pf-lead { max-width: 38em; }
.pf-editorial-page .pf-form-scene { min-height: 850px; }
.pf-footer nav { flex-wrap: wrap; }
@media (max-width: 680px) {
  .pf-editorial-items { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .pf-editorial-section { padding: 48px 22px; }
  .pf-editorial-section h2 { font-size: var(--pf-type-subheading); }
  .pf-editorial-section > header p { font-size: var(--pf-type-body); }
  .pf-editorial-page .pf-hero { min-height: 100svh; }
  .pf-editorial-page .pf-hero h1 { font-size: var(--pf-type-display); }
  .pf-editorial-page .pf-form-scene { min-height: 1050px; }
}

@media (max-width: 900px) {
  /* Reserve the existing film between the inquiry introduction and its form.
     The gap grows with the film so no field can cover the character or its hit area. */
  :is(.pf-page-spatial, .pf-page-web3) .pf-form-scene {
    --pf-inquiry-film-height: min(58dvh, 108vw);
  }
  :is(.pf-page-spatial, .pf-page-web3) .pf-form-scene .pf-scene-content {
    grid-template-columns: minmax(0, 1fr);
    align-content: start;
    gap: 0;
    padding-top: calc(var(--pf-header-height) + 32px);
  }
  :is(.pf-page-spatial, .pf-page-web3) .pf-form-scene .pf-form-intro {
    align-self: start;
    min-height: 140px;
  }
  :is(.pf-page-spatial, .pf-page-web3) .pf-form-scene .pf-form-intro h2 {
    max-width: none;
    font-size: var(--pf-type-heading);
    line-height: var(--pf-leading-heading);
  }
  :is(.pf-page-spatial, .pf-page-web3) .pf-form-scene .pf-form-panel {
    margin-top: max(280px, var(--pf-inquiry-film-height));
    max-height: none;
    overflow: visible;
  }
  :is(.pf-page-spatial, .pf-page-web3) .pf-form-scene :is(.pf-scene-image, .pf-scene-video) {
    position: absolute;
    top: calc(var(--pf-header-height) + 172px);
    width: 100%;
    height: var(--pf-inquiry-film-height);
    margin: 0;
    object-fit: cover;
    object-position: 92% center;
  }
  :is(.pf-page-spatial, .pf-page-web3) .pf-form-scene .pf-ip-hit {
    inset: calc(var(--pf-header-height) + 172px) 18px auto;
    height: var(--pf-inquiry-film-height);
  }
  :is(.pf-page-spatial, .pf-page-web3) .pf-form-scene .pf-ip-prompt {
    position: absolute !important;
    top: 12px;
    right: 0;
    bottom: auto;
    left: auto;
    width: auto !important;
    height: auto !important;
    padding: 9px 11px !important;
    margin: 0 !important;
    overflow: visible !important;
    clip: auto !important;
    clip-path: none !important;
    white-space: normal !important;
    border: 1px solid rgba(218, 243, 245, .25) !important;
    pointer-events: auto;
    transform: none !important;
  }
}

/* Enterprise marketing composition. Public pages only: customer/staff workspaces
   keep their independent design. Existing film framing and motion remain intact.
   Shape scale: 4px actions, open content groups, circular media controls.
   Existing layers: media below content (4), controls (7), header (50). */
.pf-enterprise-site {
  --pf-type-display: clamp(48px, 5.4vw, 88px);
  --pf-type-heading: clamp(34px, 3.6vw, 58px);
  --pf-type-subheading: clamp(28px, 2.7vw, 42px);
  --pf-type-body: clamp(16px, 1.15vw, 18px);
  --pf-leading-display: 1.18;
  --pf-tracking-display: -.035em;
}
.pf-enterprise-site::before { opacity: .045; }
.pf-enterprise-site .pf-header {
  min-height: 76px;
  padding-block: 12px;
  border-bottom: 1px solid rgba(206, 225, 232, .13);
  background: rgba(5, 9, 14, .74);
}
.pf-enterprise-site .pf-header.is-scrolled { background: rgba(5, 9, 14, .97); }
.pf-enterprise-site .pf-brand { font-size: clamp(17px, 1.5vw, 23px); font-weight: 700; letter-spacing: .08em; }
.pf-enterprise-site .pf-brand-controls { gap: 20px; }
.pf-enterprise-site .pf-button {
  gap: 18px;
  min-height: 52px;
  padding: 13px 26px;
  border-radius: 4px;
  box-shadow: none;
  font-weight: 600;
  white-space: nowrap;
}
.pf-enterprise-site .pf-button.is-ghost { border-color: rgba(221, 238, 241, .42); background: rgba(5, 9, 14, .24); }
.pf-enterprise-site .pf-text-link { color: #e2f3f4; font-weight: 600; text-underline-offset: 7px; }
.pf-enterprise-site :is(.pf-hero h1, .pf-scene-heading h2, .pf-switch-heading h2, .pf-editorial-section h2) {
  font-weight: 600;
  text-shadow: none;
  letter-spacing: -.025em;
}
.pf-enterprise-site .pf-hero h1 { max-width: 11em; }
.pf-enterprise-site .pf-scene-heading h2 { max-width: 14em; }
.pf-enterprise-site .pf-hero .pf-lead { max-width: 34em; color: #c1cdd2; }
.pf-enterprise-site .pf-ip-prompt {
  border-radius: 4px;
  box-shadow: none;
  background: rgba(5, 10, 16, .76);
  border-color: rgba(187, 218, 225, .2);
}
.pf-enterprise-site .pf-ip-prompt strong { font-weight: 500; }
.pf-enterprise-site .pf-ip-prompt span { color: #b5c7cd; }
.pf-enterprise-site.pf-page-home #hero h1 {
  max-width: 10em;
  white-space: pre-line;
  font-size: clamp(48px, 5.5vw, 92px);
}
.pf-enterprise-site.pf-page-home #hero .pf-hero-copy { width: min(880px, 62vw); }
.pf-enterprise-site.pf-page-home #hero .pf-lead { max-width: 31em; line-height: 1.8; margin-top: 28px; }
.pf-enterprise-site.pf-page-home #hero .pf-eyebrow { color: #c4dce0; font-size: 14px; font-weight: 500; letter-spacing: .08em; margin-bottom: 26px; }
.pf-enterprise-site.pf-page-home #hero .pf-actions { gap: 16px; margin-top: 36px; }
.pf-enterprise-site.pf-page-home .pf-switch-heading > .pf-eyebrow { display: none; }
.pf-enterprise-site.pf-page-home .pf-switch-copy > .pf-eyebrow { font-size: 13px; letter-spacing: .04em; font-weight: 500; }
.pf-enterprise-site.pf-page-home .pf-switch-heading h2 { max-width: 14em; }
.pf-enterprise-site.pf-page-home .pf-switch-copy h3 { font-weight: 550; max-width: 16em; }
.pf-enterprise-site.pf-page-home .pf-switch-options button {
  background: rgba(5, 9, 14, .86);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  color: #b6c4c9;
  border-right: 0;
  padding-block: 19px;
}
.pf-enterprise-site.pf-page-home .pf-switch-options button[aria-selected="true"] {
  background: #14232b;
  color: #f0f7f8;
  box-shadow: inset 0 2px 0 var(--pf-accent);
}
.pf-enterprise-site.pf-page-home .pf-switch-options strong { font-size: 16px; font-weight: 550; }
.pf-enterprise-site.pf-page-home :is(.pf-feature-grid, .pf-detail-list) {
  border: 0;
  box-shadow: none;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.pf-enterprise-site.pf-page-home .pf-feature-item { border-color: rgba(190, 217, 223, .2); }
.pf-enterprise-site.pf-page-home .pf-feature-item h3 { font-weight: 550; }
.pf-enterprise-site.pf-page-home .pf-feature-item p { color: #b9c8ce; }
.pf-enterprise-site.pf-page-home :is(#client-problems, #typical-scenarios, #delivery-os) .pf-feature-grid,
.pf-enterprise-site.pf-page-home #engineering-trust .pf-detail-list {
  border: 0;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.pf-enterprise-site.pf-page-home #fde-delivery .pf-switch-copy > .pf-eyebrow,
.pf-enterprise-site.pf-page-home #fde-delivery .pf-switch-options span { display: none; }
.pf-enterprise-site .pf-editorial-section { padding-inline: clamp(24px, 6vw, 128px); }
.pf-enterprise-site .is-link_grid .pf-editorial-item {
  border: 0;
  border-top: 1px solid var(--pf-line);
  border-radius: 0;
  background: transparent;
  padding: 28px 0;
}
.pf-editorial-media { position: absolute; inset: 0; z-index: -1; overflow: hidden; }
.pf-editorial-media img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.pf-editorial-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; opacity: 0; transition: opacity .35s ease; }
.pf-editorial-video.is-video-ready { opacity: 1; }
.pf-editorial-section.has-media { isolation: isolate; background: #080f15; overflow: hidden; }
.pf-editorial-section.has-media::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, rgba(5, 9, 14, .94), rgba(5, 9, 14, .42) 60%, rgba(5, 9, 14, .06)), linear-gradient(0deg, #05090e, transparent 70%);
}
.pf-editorial-section.has-media .pf-editorial-media { z-index: -2; }
.pf-enterprise-site #enterprise-overview {
  display: grid;
  align-content: space-between;
  gap: 100px;
  min-height: 730px;
  min-height: max(680px, 85dvh);
  padding-block: clamp(80px, 9vw, 136px) 76px;
}
.pf-enterprise-site #enterprise-overview > header { max-width: 780px; margin: 0; }
.pf-enterprise-site #enterprise-overview h2 { font-size: var(--pf-type-heading); max-width: 12em; }
.pf-enterprise-site #enterprise-overview > header p { max-width: 33em; font-size: var(--pf-type-body); color: #becdd3; }
.pf-enterprise-site #enterprise-overview .pf-editorial-items { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(28px, 4vw, 70px); }
.pf-enterprise-site #enterprise-overview .pf-editorial-item { padding-top: 26px; border-color: rgba(220, 238, 243, .35); }
.pf-enterprise-site #enterprise-overview .pf-editorial-item h3 { font-size: 24px; font-weight: 550; }
.pf-enterprise-site #enterprise-overview .pf-editorial-item p { min-height: 3.6em; margin-bottom: 24px; font-size: 15px; line-height: 1.8; }
.pf-enterprise-site #enterprise-overview .pf-text-link { font-size: 14px; }
.pf-enterprise-site .pf-footer {
  min-height: 0;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  align-items: start;
  column-gap: 10vw;
  row-gap: 32px;
  padding-block: 64px 48px;
}
.pf-enterprise-site .pf-footer-brand { grid-column: 1 / -1; }
.pf-enterprise-site .pf-footer-brand strong { display: block; font-size: clamp(36px, 3.1vw, 56px); font-weight: 600; line-height: 1.1; letter-spacing: .035em; }
.pf-enterprise-site .pf-footer-brand p { font-size: var(--pf-type-body); max-width: 44em; margin: 20px 0 0; }
.pf-enterprise-site .pf-footer nav { grid-column: 2; grid-row: 2; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px 28px; }
.pf-enterprise-site .pf-footer > a { grid-column: 1; grid-row: 2; justify-self: start; font-size: 22px; color: #e8f4f5; border-bottom: 1px solid var(--pf-accent); padding: 0 0 10px; }
.pf-enterprise-site .pf-footer a:hover { color: var(--pf-accent); }

@media (min-width: 901px) {
  .pf-enterprise-site .pf-nav { border: 0; border-radius: 0; background: transparent; box-shadow: none; backdrop-filter: none; -webkit-backdrop-filter: none; }
  .pf-enterprise-site .pf-nav ul { gap: clamp(8px, 1.4vw, 24px); padding: 0; }
  .pf-enterprise-site .pf-nav a { padding: 12px 3px; border-radius: 0; font-size: 14px; font-weight: 500; border-bottom: 1px solid transparent; }
  .pf-enterprise-site .pf-nav a:hover, .pf-enterprise-site .pf-nav a[aria-current="page"] { color: #eef6f7; background: transparent; border-bottom-color: var(--pf-accent); }
  .pf-enterprise-site .pf-account { gap: 18px; }
  .pf-enterprise-site .pf-account > a { border: 0; border-radius: 0; font-size: 13px; padding: 10px 0; background: transparent; font-weight: 500; }
  .pf-enterprise-site .pf-account > .pf-header-cta { border: 1px solid #d4e8eb; border-radius: 4px; padding: 10px 18px; color: #081118; background: #e0eff1; }
  .pf-enterprise-site .pf-brand-controls .pf-motion-toggle { position: static; inset: auto; border-radius: 50%; }
  .pf-enterprise-site.pf-page-home #hero .pf-scene-content { padding-top: 96px; padding-bottom: 96px; }
  .pf-enterprise-site.pf-page-home #hero .pf-hero-copy { align-self: center; margin: -2vh 0 0; }
  .pf-enterprise-site.pf-page-home #hero .pf-scene-scrim { background: linear-gradient(90deg, rgba(5, 9, 14, .64), rgba(5, 9, 14, .17) 61%, transparent), linear-gradient(0deg, #05090e, transparent 17%); }
  .pf-enterprise-site.pf-page-home #hero .pf-scene-depth { opacity: .25; }
  .pf-enterprise-site.pf-page-home #client-problems .pf-feature-grid { grid-template-columns: minmax(0, 1fr); align-self: center; width: min(700px, 53vw); }
  .pf-enterprise-site.pf-page-home #client-problems .pf-feature-item:nth-child(n) { display: grid; grid-template-columns: minmax(120px, .62fr) 1fr; gap: 30px; min-height: 0; padding: 22px 0; border: 0; border-bottom: 1px solid var(--pf-line); }
  .pf-enterprise-site.pf-page-home #client-problems .pf-feature-item p { margin: 0; font-size: 16px; }
  .pf-enterprise-site.pf-page-home #client-problems .pf-feature-item h3 { margin: 0; font-size: 22px; line-height: 1.5; }
  .pf-enterprise-site.pf-page-home :is(#client-problems, #typical-scenarios) .pf-scene-content { grid-template-rows: auto 1fr auto; row-gap: 28px; }
  .pf-enterprise-site.pf-page-home :is(#client-problems, #typical-scenarios) .pf-feature-cta { position: relative; inset: auto; margin: 0; align-self: start; justify-self: start; }
  .pf-enterprise-site.pf-page-home #fde-delivery .pf-switch-options { grid-column: 1 / -1; grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .pf-enterprise-site.pf-page-home #fde-delivery .pf-switch-options button { min-height: 64px; padding-inline: 20px; }
  .pf-enterprise-site.pf-page-home #fde-delivery .pf-switch-options strong { font-size: 16px; }
}
@media (min-width: 901px) and (max-width: 1199px) {
  .pf-enterprise-site .pf-account > .pf-header-cta { display: none; }
  .pf-enterprise-site .pf-nav ul { gap: 14px; }
}
@media (max-width: 900px) {
  .pf-enterprise-site { --pf-type-display: clamp(38px, 6.8vw, 58px); --pf-type-heading: clamp(30px, 5.2vw, 44px); --pf-type-subheading: clamp(26px, 4.4vw, 36px); --pf-type-body: 16px; }
  .pf-enterprise-site .pf-header { min-height: 68px; padding-block: 11px; }
  .pf-enterprise-site.pf-page-home #hero h1 { font-size: clamp(37px, 7.6vw, 62px); max-width: 11em; }
  .pf-enterprise-site.pf-page-home #hero .pf-hero-copy { width: 100%; margin-bottom: 2vh; }
  .pf-enterprise-site.pf-page-home #hero .pf-eyebrow { font-size: 12px; margin-bottom: 18px; }
  .pf-enterprise-site.pf-page-home #hero .pf-lead { max-width: 35em; margin-top: 18px; font-size: 16px; }
  .pf-enterprise-site.pf-page-home #hero .pf-actions { gap: 12px; margin-top: 24px; }
  .pf-enterprise-site #enterprise-overview { gap: 180px; min-height: 820px; padding-block: 72px 56px; }
  .pf-enterprise-site #enterprise-overview .pf-editorial-items { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 38px 28px; }
  .pf-enterprise-site #enterprise-overview .pf-editorial-item p { min-height: 0; }
  .pf-enterprise-site .pf-footer { column-gap: 40px; padding-block: 70px 48px; }
  .pf-enterprise-site .pf-footer nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  /* Portrait chapters have a real media row, so long CMS copy never sits on a
     face or pushes a percentage-positioned action into adjacent content. */
  .pf-enterprise-site.pf-page-home main > :is(.pf-switch-scene, #client-problems, #typical-scenarios, #engineering-trust, #delivery-os):not(#hero) {
    --pf-enterprise-film-height: clamp(240px, 66vw, 440px);
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto var(--pf-enterprise-film-height) auto auto;
    gap: 30px;
    min-height: 100dvh;
    padding: 70px 24px 56px;
  }
  .pf-enterprise-site.pf-page-home main > :is(.pf-switch-scene, #client-problems, #typical-scenarios, #engineering-trust, #delivery-os):not(#hero) .pf-scene-content { display: contents; padding: 0; min-height: 0; }
  .pf-enterprise-site.pf-page-home :is(#client-problems, #typical-scenarios, #engineering-trust, #delivery-os) .pf-scene-heading { grid-area: 1 / 1; width: 100%; position: relative; }
  .pf-enterprise-site.pf-page-home main > .pf-switch-scene:not(#hero) .pf-switch-heading { grid-area: 1 / 1; }
  .pf-enterprise-site.pf-page-home main > :is(.pf-switch-scene, #client-problems, #typical-scenarios, #engineering-trust, #delivery-os):not(#hero) .pf-scene-media {
    position: relative;
    grid-area: 2 / 1;
    inset: auto;
    z-index: 0;
    margin-inline: -24px;
    height: var(--pf-enterprise-film-height);
    background: transparent;
  }
  .pf-enterprise-site.pf-page-home main > :is(.pf-switch-scene, #client-problems, #typical-scenarios, #engineering-trust, #delivery-os):not(#hero) :is(.pf-scene-image, .pf-scene-video) {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    object-fit: cover;
    mask-image: linear-gradient(transparent, #000 10%, #000 80%, transparent);
  }
  .pf-enterprise-site.pf-page-home main > :is(.pf-switch-scene, #client-problems, #typical-scenarios, #engineering-trust, #delivery-os):not(#hero) .pf-scene-scrim { background: linear-gradient(0deg, #05090e, transparent 32%); }
  .pf-enterprise-site.pf-page-home main > :is(.pf-switch-scene, #client-problems, #typical-scenarios, #engineering-trust, #delivery-os):not(#hero) .pf-scene-depth { opacity: .2; }
  .pf-enterprise-site.pf-page-home main > :is(.pf-switch-scene, #client-problems, #typical-scenarios, #engineering-trust, #delivery-os):not(#hero) [data-ip-stage].pf-ip-hit {
    position: relative;
    grid-area: 2 / 1;
    inset: auto;
    display: flex;
    align-items: end;
    justify-content: end;
    width: 100%;
    height: var(--pf-enterprise-film-height);
    min-height: 0;
    pointer-events: auto;
  }
  .pf-enterprise-site.pf-page-home main > :is(.pf-switch-scene, #client-problems, #typical-scenarios, #engineering-trust, #delivery-os):not(#hero) [data-ip-stage].pf-ip-hit .pf-ip-prompt {
    position: static !important;
    width: auto !important;
    height: auto !important;
    max-width: 100%;
    margin: 0 !important;
    padding: 10px 12px !important;
    clip: auto !important;
    clip-path: none !important;
    white-space: normal !important;
    border: 1px solid var(--pf-line) !important;
    pointer-events: auto;
  }
  .pf-enterprise-site.pf-page-home :is(#client-problems, #typical-scenarios, #delivery-os) .pf-feature-grid,
  .pf-enterprise-site.pf-page-home #engineering-trust .pf-detail-list { grid-area: 3 / 1; width: 100%; align-self: start; }
  .pf-enterprise-site.pf-page-home :is(#client-problems, #typical-scenarios, #delivery-os) .pf-feature-cta { grid-area: 4 / 1; margin: 0; }
  .pf-enterprise-site.pf-page-home :is(#client-problems, #typical-scenarios, #delivery-os) .pf-feature-item:nth-child(n),
  .pf-enterprise-site.pf-page-home #engineering-trust .pf-detail-item:nth-child(n) { padding: 22px 0; min-height: 0; border: 0; border-bottom: 1px solid var(--pf-line); }
  .pf-enterprise-site.pf-page-home :is(#client-problems, #typical-scenarios, #delivery-os) .pf-feature-grid { column-gap: 28px; }
}
@media (max-width: 620px) {
  .pf-enterprise-site { --pf-type-heading: 32px; --pf-type-subheading: 28px; }
  .pf-enterprise-site .pf-button { padding-inline: 20px; min-height: 48px; font-size: 14px; }
  .pf-enterprise-site.pf-page-home #hero h1 { font-size: clamp(32px, 8.4vw, 50px); line-height: 1.22; }
  .pf-enterprise-site.pf-page-home #hero .pf-hero-copy { margin-bottom: 12px; }
  .pf-enterprise-site.pf-page-home #hero .pf-scene-content { padding-bottom: 38px; }
  .pf-enterprise-site .pf-hero .pf-scene-layer[data-ip-layer="suoguang"] > .pf-scene-motion { inset-inline: 0; }
  .pf-enterprise-site .pf-hero .pf-scene-layer[data-ip-layer="suoguang"] :is(.pf-scene-image, .pf-scene-video) { right: 0; }
  .pf-enterprise-site .pf-hero .pf-scene-layer :is(.pf-scene-image, .pf-scene-video) { mask-image: linear-gradient(#000 0%, #000 70%, transparent 100%); }
  .pf-enterprise-site.pf-page-home #hero .pf-lead { font-size: 15px; line-height: 1.8; max-width: 27em; }
  .pf-enterprise-site #enterprise-overview { gap: 160px; padding-inline: 24px; }
  .pf-enterprise-site #enterprise-overview h2 { max-width: 9em; }
  .pf-enterprise-site #enterprise-overview .pf-editorial-media :is(img, .pf-editorial-video) { object-position: 62% center; }
  .pf-enterprise-site #enterprise-overview .pf-editorial-item h3 { font-size: 21px; }
  .pf-enterprise-site #enterprise-overview .pf-editorial-item p { font-size: 14px; }
  .pf-enterprise-site #enterprise-overview .pf-editorial-items { gap: 30px 22px; }
  .pf-enterprise-site .pf-footer { grid-template-columns: minmax(0, 1fr); gap: 34px; }
  .pf-enterprise-site .pf-footer-brand strong { font-size: clamp(28px, 7.7vw, 38px); }
  .pf-enterprise-site .pf-footer > a { grid-row: 2; grid-column: 1; font-size: 20px; }
  .pf-enterprise-site .pf-footer nav { grid-row: 3; grid-column: 1; }
}
@media (max-width: 900px) and (max-height: 520px) and (orientation: landscape) {
  .pf-enterprise-site .pf-header { min-height: 54px; padding-block: 5px; }
  .pf-enterprise-site .pf-brand { font-size: 14px; }
  .pf-enterprise-site.pf-page-home #hero .pf-hero-copy { width: min(58vw, 500px); margin: 0; }
  .pf-enterprise-site.pf-page-home #hero h1 { font-size: clamp(28px, 4.2vw, 36px); }
  .pf-enterprise-site.pf-page-home #hero .pf-eyebrow { margin-bottom: 10px; }
  .pf-enterprise-site.pf-page-home #hero .pf-lead { margin-top: 12px; font-size: 13px; }
  .pf-enterprise-site.pf-page-home #hero .pf-actions { margin-top: 16px; }
  .pf-enterprise-site .pf-button { min-height: 40px; padding: 9px 16px; }
}

/* Interior IP assignments follow the business family. The layout follows the
   authored side of each film, not whichever character previously occupied it.
   Homepage and customer/staff application surfaces are deliberately excluded. */
.pf-enterprise-site:not(.pf-page-home) :is(.pf-scene, .pf-scroll-sticky) { --pf-interior-focus: 92%; }
.pf-enterprise-site:not(.pf-page-home) .pf-breadcrumb a { display: inline-flex; align-items: center; min-width: 24px; min-height: 24px; }
.pf-enterprise-site:not(.pf-page-home) .pf-scene-layer[data-ip-layer="guanche"] { --pf-interior-focus: 76%; }
.pf-enterprise-site:not(.pf-page-home) .pf-scene-layer[data-ip-layer="huguang"] { --pf-interior-focus: 74%; }
.pf-enterprise-site:not(.pf-page-home) .pf-scene-layer[data-ip-layer="nuomi"] { --pf-interior-focus: 84%; }
.pf-enterprise-site:not(.pf-page-home) .pf-scene-layer:is([data-ip-layer="zhixu"], [data-ip-layer="lixing"], [data-ip-layer="shouheng"], [data-ip-layer="cangling"]) { --pf-interior-focus: 22%; }
@media (min-width: 901px) {
  .pf-enterprise-site:not(.pf-page-home) .pf-scene[data-character-side="left"] .pf-scene-scrim {
    background: linear-gradient(270deg, rgba(5, 9, 14, .9), rgba(5, 9, 14, .6) 38%, rgba(5, 9, 14, .08) 72%), linear-gradient(0deg, #05090e, transparent 35%);
  }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero[data-character-side="left"] .pf-hero-copy { justify-self: end; width: min(680px, 48vw); }
  .pf-enterprise-site:not(.pf-page-home) :is(.pf-feature-scene, .pf-detail-scene) .pf-scene-content { grid-template-rows: auto 1fr auto; gap: 30px; }
  .pf-enterprise-site:not(.pf-page-home) :is(.pf-feature-scene, .pf-detail-scene) :is(.pf-scene-heading, .pf-feature-grid, .pf-detail-list) { width: min(680px, 48vw); align-self: center; }
  .pf-enterprise-site:not(.pf-page-home) :is(.pf-feature-scene, .pf-detail-scene)[data-character-side="right"] :is(.pf-scene-heading, .pf-feature-grid, .pf-detail-list, .pf-feature-cta) { justify-self: start; }
  .pf-enterprise-site:not(.pf-page-home) :is(.pf-feature-scene, .pf-detail-scene)[data-character-side="left"] :is(.pf-scene-heading, .pf-feature-grid, .pf-detail-list, .pf-feature-cta) { justify-self: end; }
  .pf-enterprise-site:not(.pf-page-home) .pf-feature-cta { position: static; margin: 0; }
  .pf-enterprise-site:not(.pf-page-home) .pf-form-scene .pf-scene-content { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-rows: auto 1fr; gap: 28px 6vw; align-items: start; }
  .pf-enterprise-site:not(.pf-page-home) .pf-form-scene :is(.pf-form-intro, .pf-form-panel) { grid-column: 1; align-self: start; }
  .pf-enterprise-site:not(.pf-page-home) .pf-form-scene[data-character-side="left"] :is(.pf-form-intro, .pf-form-panel) { grid-column: 2; }
  .pf-enterprise-site:not(.pf-page-home) .pf-form-scene .pf-form-panel { grid-row: 2; max-height: none; overflow: visible; }
  .pf-enterprise-site:not(.pf-page-home) .pf-form-scene :is(.pf-scene-image, .pf-scene-video) { width: 100%; height: 100%; margin: 0; object-fit: contain; }
  .pf-page-ai #ai-path .pf-scroll-sticky:has(.pf-scene-layer.is-active:is([data-ip-layer="zhixu"], [data-ip-layer="shouheng"])) .pf-explorer-head { margin-left: auto; width: min(680px, 48vw); }
  .pf-page-ai #ai-path .pf-scroll-sticky:has(.pf-scene-layer.is-active:is([data-ip-layer="zhixu"], [data-ip-layer="shouheng"])) .pf-explorer-copies { left: auto; right: clamp(22px, 6vw, 104px); }
  .pf-page-ai #ai-path .pf-scroll-sticky:has(.pf-scene-layer.is-active:is([data-ip-layer="zhixu"], [data-ip-layer="shouheng"])) .pf-explorer-options { right: auto; left: clamp(22px, 6vw, 104px); }
  .pf-page-ai #ai-path .pf-scroll-sticky:has(.pf-scene-layer.is-active:is([data-ip-layer="zhixu"], [data-ip-layer="shouheng"])) .pf-scene-scrim { background: linear-gradient(270deg, rgba(5, 9, 14, .88), rgba(5, 9, 14, .3) 55%, transparent); }
}
@media (max-width: 900px) {
  .pf-enterprise-site:not(.pf-page-home) .pf-hero[data-character-side="left"] [data-ip-stage].pf-ip-hit { inset: calc(var(--pf-header-height) + 18px) 0 auto; height: min(58dvh, 108vw); }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero[data-character-side="left"] .pf-ip-prompt { top: 20px; right: 22px; bottom: auto; left: auto; }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero .pf-scene-layer:not([data-ip-layer="suoguang"]) :is(.pf-scene-image, .pf-scene-video) {
    position: absolute; inset: calc(var(--pf-header-height) + 18px) 0 auto; width: 100%; height: min(58dvh, 108vw); margin: 0; object-fit: cover; object-position: var(--pf-interior-focus) center;
  }
  .pf-enterprise-site:not(.pf-page-home) :is(.pf-feature-scene, .pf-detail-scene, .pf-form-scene), .pf-page-ai #ai-path .pf-scroll-sticky {
    --pf-interior-film-height: clamp(260px, 72vw, 440px);
    display: grid; grid-template-columns: minmax(0, 1fr); grid-template-rows: auto var(--pf-interior-film-height) auto auto; gap: 30px; min-height: 100dvh; padding: calc(var(--pf-header-height) + 32px) 24px 56px;
  }
  .pf-enterprise-site:not(.pf-page-home) :is(.pf-feature-scene, .pf-detail-scene, .pf-form-scene) .pf-scene-content { display: contents; padding: 0; min-height: 0; }
  .pf-enterprise-site:not(.pf-page-home) :is(.pf-feature-scene, .pf-detail-scene, .pf-form-scene) :is(.pf-scene-heading, .pf-form-intro), .pf-page-ai #ai-path .pf-explorer-head { grid-area: 1 / 1; width: 100%; min-height: 0; }
  .pf-enterprise-site:not(.pf-page-home) :is(.pf-feature-scene, .pf-detail-scene, .pf-form-scene) .pf-scene-media, .pf-page-ai #ai-path .pf-scene-media { position: relative; grid-area: 2 / 1; inset: auto; z-index: 0; margin-inline: -24px; height: var(--pf-interior-film-height); background: transparent; }
  .pf-enterprise-site:not(.pf-page-home) :is(.pf-feature-scene, .pf-detail-scene, .pf-form-scene) .pf-scene-motion, .pf-page-ai #ai-path .pf-scene-motion { inset: 0; }
  .pf-enterprise-site:not(.pf-page-home) :is(.pf-feature-scene, .pf-detail-scene, .pf-form-scene) .pf-scene-layer :is(.pf-scene-image, .pf-scene-video), .pf-page-ai #ai-path .pf-scene-layer :is(.pf-scene-image, .pf-scene-video) {
    position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; object-fit: cover; object-position: var(--pf-interior-focus) center; mask-image: linear-gradient(transparent, #000 10%, #000 80%, transparent);
  }
  .pf-enterprise-site:not(.pf-page-home) :is(.pf-feature-scene, .pf-detail-scene, .pf-form-scene) .pf-scene-scrim, .pf-page-ai #ai-path .pf-scene-scrim { background: linear-gradient(0deg, #05090e, transparent 25%); }
  .pf-enterprise-site:not(.pf-page-home) :is(.pf-feature-scene, .pf-detail-scene, .pf-form-scene) [data-ip-stage].pf-ip-hit, .pf-page-ai #ai-path [data-ip-stage].pf-ip-hit {
    position: relative; grid-area: 2 / 1; inset: auto; display: flex; align-items: end; justify-content: end; width: 100%; height: var(--pf-interior-film-height); min-height: 0;
  }
  .pf-enterprise-site:not(.pf-page-home) :is(.pf-feature-scene, .pf-detail-scene, .pf-form-scene) .pf-ip-prompt, .pf-page-ai #ai-path .pf-ip-prompt {
    position: static !important; inset: auto !important; width: auto !important; height: auto !important; max-width: 100%; padding: 10px 12px !important; margin: 0 !important; clip: auto !important; clip-path: none !important; white-space: normal !important; border: 1px solid var(--pf-line) !important; pointer-events: auto;
  }
  .pf-enterprise-site:not(.pf-page-home) :is(.pf-feature-scene, .pf-detail-scene, .pf-form-scene) :is(.pf-feature-grid, .pf-detail-list, .pf-form-panel), .pf-page-ai #ai-path .pf-explorer-copies { grid-area: 3 / 1; position: relative; inset: auto; width: 100%; margin: 0; align-self: start; }
  .pf-enterprise-site:not(.pf-page-home) .pf-feature-cta, .pf-page-ai #ai-path .pf-explorer-options { grid-area: 4 / 1; position: relative; inset: auto; width: auto; margin: 0; }
  .pf-page-ai #ai-path .pf-explorer-copy.is-active { position: relative; inset: auto; }
}
@media (max-width: 900px) and (max-height: 520px) and (orientation: landscape) {
  .pf-enterprise-site:not(.pf-page-home) .pf-hero .pf-scene-content { padding: calc(var(--pf-header-height) + 14px) 22px 22px; }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero .pf-hero-copy { align-self: center; width: 48%; margin: 0; }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero[data-character-side="left"] .pf-hero-copy { justify-self: end; }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero h1 { max-width: none; font-size: clamp(24px, 3.8vw, 34px); line-height: 1.2; }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero .pf-breadcrumb { margin-bottom: 6px; font-size: 10px; }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero .pf-eyebrow { margin-bottom: 8px; font-size: 11px; }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero .pf-lead { margin-top: 10px; font-size: 13px; line-height: 1.6; }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero .pf-actions { gap: 10px; margin-top: 14px; }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero .pf-button { min-height: 40px; padding: 9px 15px; font-size: 13px; }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero .pf-scene-layer > .pf-scene-motion { inset: 0; }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero .pf-scene-layer[data-ip-layer] :is(.pf-scene-image, .pf-scene-video) { inset: var(--pf-header-height) 0 auto; width: 100%; height: calc(100% - var(--pf-header-height)); margin: 0; object-fit: contain; object-position: right center; }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero[data-character-side="left"] .pf-scene-layer[data-ip-layer] :is(.pf-scene-image, .pf-scene-video) { object-position: left center; }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero[data-character-side="left"] .pf-scene-scrim { background: linear-gradient(270deg, rgba(5, 9, 14, .9), rgba(5, 9, 14, .65) 40%, transparent 78%); }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero [data-ip-stage].pf-ip-hit { inset: var(--pf-header-height) 0 0 50%; height: auto; }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero[data-character-side="left"] [data-ip-stage].pf-ip-hit { inset: var(--pf-header-height) 50% 0 0; height: auto; }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero .pf-ip-prompt { top: auto; right: 22px; bottom: 14px; left: auto; padding: 8px 10px; }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero[data-character-side="left"] .pf-ip-prompt { top: auto; right: auto; bottom: 14px; left: 22px; }
}

/* Desktop portraits use their complete authored frame. The header and a small
   motion allowance are inside the composition, never cut out of the face.
   Keep this above the mobile rules: phones retain their own compact film row. */
@media (min-width: 901px) {
  .pf-enterprise-site :is(.pf-scene, .pf-process-panel, .pf-scroll-sticky) .pf-scene-layer > .pf-scene-motion {
    inset: calc(var(--pf-header-height) + 24px) 0 24px;
  }
  .pf-enterprise-site .pf-scene-layer[data-ip-layer] :is(.pf-scene-image, .pf-scene-video) {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    object-fit: contain;
    object-position: right center;
    mask-image: none;
  }
  .pf-enterprise-site .pf-scene-layer:is([data-ip-layer="zhixu"], [data-ip-layer="lixing"], [data-ip-layer="shouheng"], [data-ip-layer="cangling"]) :is(.pf-scene-image, .pf-scene-video) {
    object-position: left center;
  }
  @supports (container-type: size) and (mask-composite: intersect) {
    .pf-enterprise-site .pf-scene-layer > .pf-scene-motion { container-type: size; }
    .pf-enterprise-site .pf-scene-layer[data-ip-layer] :is(.pf-scene-image, .pf-scene-video) {
      --pf-frame-ratio: 1.8;
      mask-image: linear-gradient(180deg, transparent, #000 12px, #000 calc(100% - 28px), transparent), var(--pf-frame-side-fade, linear-gradient(90deg, transparent, #000 20%, #000 calc(100% - 20px), transparent));
      mask-composite: intersect;
      mask-size: min(100cqw, calc(100cqh * var(--pf-frame-ratio))) min(100cqh, calc(100cqw / var(--pf-frame-ratio)));
      mask-position: right center;
      mask-repeat: no-repeat;
    }
    .pf-enterprise-site .pf-scene-layer[data-ip-layer] .pf-scene-image { --pf-frame-ratio: 1.7768331562; }
    .pf-enterprise-site .pf-scene-layer:is([data-ip-layer="zhixu"], [data-ip-layer="lixing"], [data-ip-layer="shouheng"], [data-ip-layer="cangling"]) :is(.pf-scene-image, .pf-scene-video) {
      --pf-frame-side-fade: linear-gradient(270deg, transparent, #000 20%, #000 calc(100% - 20px), transparent);
      mask-position: left center;
    }
  }
}

/* Mobile reading rhythm: the film occupies a real row instead of reserving a
   viewport behind absolute content. Header clearance belongs to the hero only.
   Motion owns the outer media; copy and the inner character reaction stay still. */
@media (max-width: 900px) {
  .pf-enterprise-site .pf-header,
  .pf-enterprise-site .pf-header.is-scrolled { background: #05090e; }
  .pf-page-ai #ai-path { min-height: 0; }
  .pf-enterprise-site .pf-form-scene .pf-form-panel { max-height: none; overflow: visible; }
  .pf-enterprise-site:not(.pf-page-home) :is(.pf-feature-scene, .pf-detail-scene, .pf-form-scene),
  .pf-page-ai #ai-path .pf-scroll-sticky {
    grid-template-rows: auto var(--pf-interior-film-height) auto;
    align-content: start;
    min-height: 0;
    gap: 24px;
    padding-block: 36px;
  }
  .pf-enterprise-site.pf-page-home main > :is(.pf-switch-scene, #client-problems, #typical-scenarios, #engineering-trust, #delivery-os):not(#hero) {
    grid-template-rows: auto var(--pf-enterprise-film-height) auto;
    align-content: start;
    min-height: 0;
    gap: 24px;
    padding-block: 36px;
  }
  .pf-enterprise-site #enterprise-overview { min-height: 0; gap: 48px; padding-block: 36px; }
  .pf-enterprise-site .pf-character-scene[data-character-side] {
    min-height: 0;
    align-content: start;
    padding-block: 32px;
  }
  .pf-enterprise-site .pf-character-scene[data-character-side] .pf-character-intro { margin-bottom: 20px; }
  .pf-enterprise-site .pf-character-scene[data-character-side] .pf-gallery-copy { margin-top: 16px; }

  /* Web3's delivery sequence is a vertical film + copy flow on tablets too. */
  .pf-enterprise-site .pf-horizontal-world { min-height: 0; overflow: visible; padding-block: 36px; }
  .pf-enterprise-site .pf-horizontal-heading { position: relative; inset: auto; margin: 0 24px 24px; }
  .pf-enterprise-site .pf-horizontal-track { display: grid; width: 100%; min-height: 0; gap: 32px; will-change: auto; }
  .pf-enterprise-site .pf-process-panel {
    --pf-process-film-height: clamp(260px, 84vw, 440px);
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: var(--pf-process-film-height) auto;
    width: 100%;
    min-height: 0;
    gap: 20px;
  }
  .pf-enterprise-site .pf-process-panel::after { display: none; }
  .pf-enterprise-site .pf-process-media { position: relative; inset: auto; grid-area: 1 / 1; height: var(--pf-process-film-height); overflow: hidden; }
  .pf-enterprise-site .pf-process-panel .pf-scene-layer :is(.pf-scene-image, .pf-scene-video) { inset: 0; width: 100%; height: 100%; margin: 0; }
  .pf-enterprise-site .pf-process-panel .pf-process-copy { position: relative; inset: auto; grid-area: 2 / 1; width: auto; margin: 0 24px; }
  .pf-enterprise-site .pf-process-copy > p:last-child { margin-bottom: 0; }
  .pf-enterprise-site .pf-process-panel [data-ip-stage].pf-ip-hit { position: relative; inset: auto; grid-area: 1 / 1; width: 100%; height: 100%; }
  .pf-enterprise-site .pf-process-panel .pf-ip-prompt { top: auto; right: 24px; bottom: 12px; left: auto; }

  .pf-mobile-motion .is-mobile-scene-current > :is(.pf-scene-media, .pf-process-media, .pf-editorial-media),
  .pf-mobile-motion .is-mobile-scene-current .pf-spatial-camera { will-change: transform; }
  .is-spatial-mobile .pf-spatial-passage { object-fit: contain; object-position: center; }
}

@media (max-width: 900px) and (max-height: 520px) and (orientation: landscape) {
  .pf-enterprise-site.pf-page-home main > #hero { min-height: 100svh; }
  .pf-enterprise-site.pf-page-home #hero .pf-scene-content { min-height: 100svh; }
}

@media (max-width: 900px) and (min-height: 521px) {
  .pf-enterprise-site:not(.pf-page-home) .pf-hero {
    --pf-hero-film-height: clamp(300px, 88vw, 440px);
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: var(--pf-hero-film-height) auto;
    gap: 18px;
    min-height: 0;
    padding: calc(var(--pf-header-height) + 12px) 0 32px;
  }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero .pf-scene-media {
    position: relative;
    inset: auto;
    z-index: 0;
    grid-area: 1 / 1;
    height: var(--pf-hero-film-height);
    background: transparent;
  }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero .pf-scene-layer > .pf-scene-motion { inset: 0; }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero .pf-scene-layer[data-ip-layer] :is(.pf-scene-image, .pf-scene-video) {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    object-fit: cover;
    object-position: var(--pf-interior-focus, 92%) center;
    mask-image: linear-gradient(#000 0%, #000 86%, transparent 100%);
  }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero .pf-scene-layer[data-ip-layer="suoguang"] :is(.pf-scene-image, .pf-scene-video) { object-position: right center; }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero .pf-scene-scrim { background: linear-gradient(0deg, var(--pf-bg), transparent 24%); }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero .pf-scene-depth { opacity: .24; }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero .pf-scene-content { display: block; grid-area: 2 / 1; min-height: 0; padding: 0 24px; }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero .pf-hero-copy { width: 100%; max-width: none; margin: 0; }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero .pf-breadcrumb { margin-bottom: 12px; }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero .pf-eyebrow { margin-bottom: 12px; }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero [data-ip-stage].pf-ip-hit { position: relative; inset: auto; grid-area: 1 / 1; width: 100%; height: var(--pf-hero-film-height); }
  .pf-enterprise-site:not(.pf-page-home) .pf-hero .pf-ip-prompt { top: auto; right: 24px; bottom: 10px; left: auto; }
}