/* ============================================================
   ITSIMPLE Home V3 — "Warped Grid" / Figment-inspired
   Bold Syne + Inter · brand red on white
   ============================================================ */

:root {
  --brand: #EF3922;
  --ink: #0E0E0E;
  --green: #1B7F4E;
  --orange: #F46927;
  --light: #F2F2F2;
  --grid: #E8E8E8;
  --bg: #FFFFFF;

  --display: "Syne", "Plus Jakarta Sans", "Noto Sans SC", system-ui, sans-serif;
  --accent: "Inter", "Noto Sans SC", system-ui, sans-serif;
  --zh: "Noto Sans SC", "PingFang SC", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { background: var(--bg); }
body {
  font-family: var(--display);
  color: var(--brand);
  background: transparent;
  overflow-x: hidden;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
/* shared faint square grid — unified with the rest of the site (.cs-bg) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: linear-gradient(rgb(from var(--ink) r g b / 0.03) 1px, transparent 1px), linear-gradient(90deg, rgb(from var(--ink) r g b / 0.03) 1px, transparent 1px);
  background-size: 96px 96px;
  animation: v3-grid-in 1.4s ease-out both; /* 开场编排第一拍:网格漫入 */
}
@keyframes v3-grid-in { from { opacity: 0; } to { opacity: 1; } }
#root { position: relative; z-index: 1; }
body::selection, ::selection { background: var(--brand); color: #fff; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font-family: inherit; }

#root { position: relative; z-index: 10; }

/* ---------- falling-pattern background (page-wide, fixed) ---------- */
.v3-bg-root {
  display: none;
}

/* All titles/content sit on a positioned stacking context so they never
   visually mix with the falling pattern even on transparent sections. */
.v3-hero-center,
.v3-hero-h1,
.v3-reel-head,
.v3-reel-item,
.v3-manifesto-sticky,
.v3-manifesto-block,
.v3-scen-head,
.v3-scen-card,
.v3-products-head,
.v3-products-inner,
.v3-clients-head,
.v3-clients-title,
.v3-clients-marquee,
.v3-work-head,
.v3-work-meta,
.v3-work-card,
.v3-field-overlay,
.v3-ai-head,
.v3-ai-headline,
.v3-ai-statement,
.v3-ai-cta-wrap,
.v3-ai-marquee,
.v3-footer-inner {
  position: relative;
  z-index: 5;
}
.v3-bg-falling {
  --c: rgba(14, 14, 14, 0.32);
  position: absolute;
  inset: 0;
  background-color: transparent;
  background-image:
    radial-gradient(4px 100px at 0px 235px, var(--c), transparent),
    radial-gradient(4px 100px at 300px 235px, var(--c), transparent),
    radial-gradient(1.5px 1.5px at 150px 117.5px, var(--c) 100%, transparent 150%),
    radial-gradient(4px 100px at 0px 252px, var(--c), transparent),
    radial-gradient(4px 100px at 300px 252px, var(--c), transparent),
    radial-gradient(1.5px 1.5px at 150px 126px, var(--c) 100%, transparent 150%),
    radial-gradient(4px 100px at 0px 150px, var(--c), transparent),
    radial-gradient(4px 100px at 300px 150px, var(--c), transparent),
    radial-gradient(1.5px 1.5px at 150px 75px, var(--c) 100%, transparent 150%),
    radial-gradient(4px 100px at 0px 253px, var(--c), transparent),
    radial-gradient(4px 100px at 300px 253px, var(--c), transparent),
    radial-gradient(1.5px 1.5px at 150px 126.5px, var(--c) 100%, transparent 150%),
    radial-gradient(4px 100px at 0px 204px, var(--c), transparent),
    radial-gradient(4px 100px at 300px 204px, var(--c), transparent),
    radial-gradient(1.5px 1.5px at 150px 102px, var(--c) 100%, transparent 150%),
    radial-gradient(4px 100px at 0px 134px, var(--c), transparent),
    radial-gradient(4px 100px at 300px 134px, var(--c), transparent),
    radial-gradient(1.5px 1.5px at 150px 67px, var(--c) 100%, transparent 150%),
    radial-gradient(4px 100px at 0px 179px, var(--c), transparent),
    radial-gradient(4px 100px at 300px 179px, var(--c), transparent),
    radial-gradient(1.5px 1.5px at 150px 89.5px, var(--c) 100%, transparent 150%),
    radial-gradient(4px 100px at 0px 299px, var(--c), transparent),
    radial-gradient(4px 100px at 300px 299px, var(--c), transparent),
    radial-gradient(1.5px 1.5px at 150px 149.5px, var(--c) 100%, transparent 150%),
    radial-gradient(4px 100px at 0px 215px, var(--c), transparent),
    radial-gradient(4px 100px at 300px 215px, var(--c), transparent),
    radial-gradient(1.5px 1.5px at 150px 107.5px, var(--c) 100%, transparent 150%),
    radial-gradient(4px 100px at 0px 281px, var(--c), transparent),
    radial-gradient(4px 100px at 300px 281px, var(--c), transparent),
    radial-gradient(1.5px 1.5px at 150px 140.5px, var(--c) 100%, transparent 150%),
    radial-gradient(4px 100px at 0px 158px, var(--c), transparent),
    radial-gradient(4px 100px at 300px 158px, var(--c), transparent),
    radial-gradient(1.5px 1.5px at 150px 79px, var(--c) 100%, transparent 150%),
    radial-gradient(4px 100px at 0px 210px, var(--c), transparent),
    radial-gradient(4px 100px at 300px 210px, var(--c), transparent),
    radial-gradient(1.5px 1.5px at 150px 105px, var(--c) 100%, transparent 150%);
  background-size:
    300px 235px, 300px 235px, 300px 235px,
    300px 252px, 300px 252px, 300px 252px,
    300px 150px, 300px 150px, 300px 150px,
    300px 253px, 300px 253px, 300px 253px,
    300px 204px, 300px 204px, 300px 204px,
    300px 134px, 300px 134px, 300px 134px,
    300px 179px, 300px 179px, 300px 179px,
    300px 299px, 300px 299px, 300px 299px,
    300px 215px, 300px 215px, 300px 215px,
    300px 281px, 300px 281px, 300px 281px,
    300px 158px, 300px 158px, 300px 158px,
    300px 210px, 300px 210px;
  animation: v3-fall 150s linear infinite;
}
@keyframes v3-fall {
  from {
    background-position:
      0px 220px, 3px 220px, 151.5px 337.5px,
      25px 24px, 28px 24px, 176.5px 150px,
      50px 16px, 53px 16px, 201.5px 91px,
      75px 224px, 78px 224px, 226.5px 230.5px,
      100px 19px, 103px 19px, 251.5px 121px,
      125px 120px, 128px 120px, 276.5px 187px,
      150px 31px, 153px 31px, 301.5px 120.5px,
      175px 235px, 178px 235px, 326.5px 384.5px,
      200px 121px, 203px 121px, 351.5px 228.5px,
      225px 224px, 228px 224px, 376.5px 364.5px,
      250px 26px, 253px 26px, 401.5px 105px,
      275px 75px, 278px 75px;
  }
  to {
    background-position:
      0px 6800px, 3px 6800px, 151.5px 6917.5px,
      25px 13632px, 28px 13632px, 176.5px 13758px,
      50px 5416px, 53px 5416px, 201.5px 5491px,
      75px 17175px, 78px 17175px, 226.5px 17301.5px,
      100px 5119px, 103px 5119px, 251.5px 5221px,
      125px 8428px, 128px 8428px, 276.5px 8495px,
      150px 9876px, 153px 9876px, 301.5px 9965.5px,
      175px 13391px, 178px 13391px, 326.5px 13540.5px,
      200px 14741px, 203px 14741px, 351.5px 14848.5px,
      225px 18770px, 228px 18770px, 376.5px 18910.5px,
      250px 5082px, 253px 5082px, 401.5px 5161px,
      275px 6375px, 278px 6375px;
  }
}
.v3-bg-falling-veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  backdrop-filter: blur(1em);
  -webkit-backdrop-filter: blur(1em);
  background-image: radial-gradient(circle at 50% 50%, transparent 0, transparent 2px, #fff 2px);
  background-size: 8px 8px;
}
@media (prefers-reduced-motion: reduce) {
  .v3-bg-falling { animation: none; }
}

/* ---------- scallop button ---------- */
.scallop {
  position: relative;
  display: inline-block;
  padding: 16px 40px;
  background: transparent;
  color: var(--brand);
  font-family: var(--display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.01em;
  cursor: pointer;
  border: none;
  outline: none;
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.scallop.sm { padding: 12px 32px; font-size: 14px; }
.scallop.lg { padding: 18px 44px; font-size: 18px; }
.scallop-wrap {
  position: absolute;
  inset: -4px;
  z-index: 0;
  pointer-events: none;
}
.scallop-wrap path {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linejoin: round;
  transition: fill 0.3s ease;
}
.scallop > span:not(.scallop-wrap) { position: relative; z-index: 2; }
.scallop:hover { transform: scale(1.05); }
.scallop:hover .scallop-wrap path { fill: var(--brand); }
.scallop:hover > span:not(.scallop-wrap) { color: #fff; }
.scallop.on-red { color: #fff; }
.scallop.on-red .scallop-wrap path { stroke: #fff; }
.scallop.on-red:hover .scallop-wrap path { fill: #fff; }
.scallop.on-red:hover > span:not(.scallop-wrap) { color: var(--brand); }

/* ---------- shared section label (bold tracked uppercase) ---------- */
.v3-label {
  font-family: var(--display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand);
  border-bottom: 2px solid var(--brand);
  padding-bottom: 12px;
  display: inline-block;
}
.v3-label.dark { color: var(--ink); border-color: var(--ink); transition: color 0.9s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.9s cubic-bezier(0.4, 0, 0.2, 1); }
.v3-label.white { color: #fff; border-color: #fff; }
.v3-products.is-active .v3-label.dark { color: #fff; border-color: #fff; }

.v3-link-italic {
  font-family: var(--accent);
  font-size: 22px;
  color: var(--brand);
  border-bottom: 1px solid transparent;
  transition: color 0.3s, border-color 0.3s;
}
.v3-link-italic:hover { color: var(--ink); border-bottom-color: var(--ink); }

/* ============================================================
   SECTION 1 · HERO + NAV
   ============================================================ */
.v3-hero {
  position: relative;
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* nav — 4 corners */
.v3-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: 18px 32px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  pointer-events: none;
  z-index: 1000;
  background: transparent;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  border-bottom: 1px solid transparent;
  transition: background 0.35s ease, backdrop-filter 0.35s ease, -webkit-backdrop-filter 0.35s ease, border-color 0.35s ease;
}
.v3-nav.is-scrolled {
  background: rgba(255, 255, 255, 0.78);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
  backdrop-filter: saturate(160%) blur(18px);
  border-bottom-color: rgba(14, 14, 14, 0.06);
}
.v3-nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  pointer-events: auto;
}
.v3-nav-links {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 44px);
}
.v3-nav-item {
  font-family: "Plus Jakarta Sans", "Noto Sans SC", system-ui, sans-serif;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brand);
  transition: opacity 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.v3-nav-item:hover { opacity: 0.5; }
.v3-nav-caret {
  font-size: 10px;
  margin-top: 2px;
  transition: transform 0.25s ease;
}
.v3-nav-drop {
  position: relative;
  padding-bottom: 12px;
  margin-bottom: -12px;
}
/* mega-menu (two-column with preview art) */
.v3-nav-mega {
  position: absolute;
  top: calc(100% + 14px);
  right: -20px;
  width: 600px;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 8px;
  padding: 12px;
  background: #fff;
  border: 1px solid rgba(14, 14, 14, 0.08);
  border-radius: 22px;
  box-shadow: 0 22px 50px rgba(14, 14, 14, 0.12), 0 4px 10px rgba(14, 14, 14, 0.05);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px) scale(0.97);
  transform-origin: top right;
  transition: opacity 0.22s ease, transform 0.28s cubic-bezier(0.34, 1.56, 0.64, 1), visibility 0.22s linear;
}
.v3-nav-drop:hover .v3-nav-mega,
.v3-nav-drop:focus-within .v3-nav-mega {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}
.v3-nav-drop:hover .v3-nav-caret,
.v3-nav-drop:focus-within .v3-nav-caret {
  transform: rotate(180deg);
}
.v3-nav-mega-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.v3-nav-mega-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 14px;
  align-items: center;
  padding: 14px;
  border-radius: 16px;
  transition: background 0.2s ease;
  color: var(--ink);
}
.v3-nav-mega-item.is-active,
.v3-nav-mega-item:hover {
  background: rgba(239, 57, 34, 0.08);
}
.v3-nav-mega-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid rgba(14, 14, 14, 0.08);
  display: grid;
  place-items: center;
  color: var(--brand);
  flex: 0 0 48px;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.v3-nav-mega-item:hover .v3-nav-mega-icon,
.v3-nav-mega-item.is-active .v3-nav-mega-icon {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}
.v3-nav-mega-icon svg {
  width: 22px;
  height: 22px;
}
.v3-nav-mega-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.v3-nav-mega-text .title {
  font-family: "Plus Jakarta Sans", "Noto Sans SC", system-ui, sans-serif;
  font-weight: 800;
  font-size: 15px;
  letter-spacing: -0.005em;
  color: var(--ink);
  line-height: 1.1;
}
.v3-nav-mega-text .sub {
  font-family: var(--zh);
  font-weight: 500;
  font-size: 12px;
  color: rgba(14, 14, 14, 0.55);
  line-height: 1.4;
  letter-spacing: 0;
}
.v3-nav-mega-preview {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  background: var(--brand);
  min-height: 240px;
}
.v3-nav-mega-art {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.35s ease;
}
.v3-nav-mega-art.is-active { opacity: 1; }
.v3-nav-mega-art svg {
  width: 100%;
  height: 100%;
  display: block;
}
.v3-nav-brand {
  display: inline-flex;
  align-items: center;
  color: var(--brand);
}
.v3-nav-brand img {
  width: 40px;
  height: 40px;
}
@keyframes v3-spin { to { transform: rotate(360deg); } }

/* hero center */
.v3-hero-center {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 36px;
  text-align: center;
  padding: 0 24px;
  max-width: 1100px;
}
.v3-hero-h1 {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(3rem, 7.5vw, 7rem);
  line-height: 1.18;
  letter-spacing: -0.035em;
  color: var(--brand);
  mix-blend-mode: multiply;
  margin: 0;
}
.v3-hero-h1 .ital {
  font-family: var(--accent);
  font-weight: 500;
  letter-spacing: -0.01em;
}
.v3-hero-h1 .strike {
  position: relative;
  text-decoration: none;
  opacity: 0.55;
}
.v3-hero-h1 .strike::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 55%;
  height: 0.06em;
  background: currentColor;
  pointer-events: none;
}
.v3-hero-h1 .ink { color: var(--ink); }
.v3-hero-h1 .zh { font-family: var(--display); }
/* Vertical cut-reveal: clip + chars slide up from below */
.v3-hero-h1 .cr-clip {
  display: inline-flex;
  overflow: hidden;
  vertical-align: bottom;
  line-height: inherit;
}
.v3-hero-h1 .cr-ch {
  display: inline-block;
  transform: translateY(110%);
  /* 大开大合:1.15s 重缓动,行级节拍由 home.js 重排 --d */
  transition: transform 1.15s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--d, 0ms);
  will-change: transform;
}
.v3-hero-h1.is-in .cr-ch { transform: translateY(0); }

/* Rotating word slot — chars slide up in/out, clipped by overflow:hidden */
.v3-hero-h1 .hr-slot {
  display: inline-flex;
  overflow: hidden;
  vertical-align: bottom;
  line-height: inherit;
  padding-bottom: 0.08em;
  margin-bottom: -0.08em;
}
.v3-hero-h1 .hr-word { display: inline-flex; color: var(--ink); }
.v3-hero-h1 .hr-word.ital { font-family: var(--accent); font-style: normal; }
.v3-hero-h1 .hr-word.ink { color: var(--ink); }
.v3-hero-h1 .hr-clip {
  display: inline-flex;
  overflow: hidden;
  line-height: inherit;
}
.v3-hero-h1 .hr-ch {
  display: inline-block;
  animation: v3-hr-in 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: var(--d, 0ms);
}
.v3-hero-h1 .hr-slot.is-out .hr-ch {
  animation: v3-hr-out 0.45s cubic-bezier(0.65, 0, 0.35, 1) both;
  animation-delay: var(--d, 0ms);
}
@keyframes v3-hr-in {
  from { transform: translateY(110%); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}
@keyframes v3-hr-out {
  from { transform: translateY(0);     opacity: 1; }
  to   { transform: translateY(-110%); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .v3-hero-h1 .hr-ch { animation: none; transform: translateY(0); opacity: 1; }
}

/* Pointer highlight — rectangle draws + arrow rides bottom-right; loops every 2s */
.v3-hero-h1 .phl {
  position: relative;
  display: inline-block;
  padding: 0 0.18em;
  vertical-align: baseline;
}
.v3-hero-h1 .phl-box {
  position: absolute;
  left: 0;
  top: 0;
  width: 0;
  height: 0;
  border: 2px solid var(--ink);
  border-radius: 4px;
  pointer-events: none;
  opacity: 0;
}
.v3-hero-h1 .phl-arrow {
  position: absolute;
  right: -18px;
  bottom: -18px;
  width: 22px;
  height: 22px;
  color: var(--ink);
  pointer-events: none;
  opacity: 0;
  transform: rotate(-90deg);
  transform-origin: 50% 50%;
  filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.18));
}
.v3-hero-h1.is-in .phl-box {
  animation: v3-phl-box 4s cubic-bezier(0.65, 0, 0.35, 1) 1.75s infinite;
}
.v3-hero-h1.is-in .phl-arrow {
  animation: v3-phl-arrow 4s cubic-bezier(0.65, 0, 0.35, 1) 1.75s infinite;
}
@keyframes v3-phl-box {
  0%   { width: 0;    height: 0;    opacity: 0; }
  5%   { opacity: 1; }
  25%  { width: 100%; height: 100%; opacity: 1; }
  75%  { width: 100%; height: 100%; opacity: 1; }
  88%  { width: 100%; height: 100%; opacity: 0; }
  100% { width: 0;    height: 0;    opacity: 0; }
}
@keyframes v3-phl-arrow {
  0%      { opacity: 0; }
  5%      { opacity: 1; }
  75%     { opacity: 1; }
  88%     { opacity: 0; }
  100%    { opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .v3-hero-h1.is-in .phl-box,
  .v3-hero-h1.is-in .phl-arrow { animation: none; opacity: 1; }
  .v3-hero-h1 .phl-box { width: 100%; height: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .v3-hero-h1 .cr-ch { transform: translateY(0); transition: none; }
}
.v3-hero-sub {
  font-family: var(--accent);
  font-size: clamp(18px, 2vw, 26px);
  color: var(--ink);
  max-width: 580px;
  margin: 0;
}

/* orbital floating cards */
.v3-orbit {
  position: absolute;
  top: 50%; left: 50%;
  width: 0; height: 0;
  z-index: 2;
  pointer-events: none;
}
.v3-tool-pos {
  position: absolute;
  width: 170px;
  height: 110px;
  top: 50%;
  left: 50%;
  margin-top: -55px;
  margin-left: -85px;
  pointer-events: none;
  --tx: 0px;
  --ty: 0px;
  transform: translate(var(--tx), var(--ty));
  animation: v3-orbit-in 1.4s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.v3-tool-float {
  position: absolute;
  inset: 0;
  animation: v3-tool-float 5.5s ease-in-out infinite alternate;
  animation-delay: var(--float-d, 0s);
}
.v3-tool-card {
  position: absolute;
  inset: 0;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 14px 40px rgba(0,0,0,0.10);
  cursor: pointer;
  pointer-events: auto;
  display: flex;
  align-items: flex-end;
  padding: 12px;
  --rot: 0deg;
  transform: rotate(var(--rot)) scale(1);
  transition: transform 0.45s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.35s ease;
}
.v3-tool-card:hover {
  transform: rotate(0deg) scale(1.18);
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.18);
  z-index: 20;
}
@keyframes v3-orbit-in {
  0%   { transform: translate(0, 0); opacity: 0; }
  60%  { opacity: 1; }
  100% { transform: translate(var(--tx), var(--ty)); opacity: 1; }
}
@keyframes v3-tool-float {
  0%   { transform: translateY(0); }
  100% { transform: translateY(-10px); }
}
.v3-tool-card .lbl {
  font-family: var(--display);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: #fff;
  text-transform: uppercase;
  position: relative;
  z-index: 2;
}
.v3-tool-card .art {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.v3-tool-card.tone-dark { background: var(--ink); }
.v3-tool-card.tone-green { background: var(--green); }
.v3-tool-card.tone-orange { background: var(--orange); }
.v3-tool-card.tone-light { background: var(--light); }
.v3-tool-card.tone-light .lbl { color: var(--ink); }
.v3-tool-card.tone-brand { background: var(--brand); }

.v3-tool-pos.c-1 { --tx: 0; --ty: -360px; animation-delay: 0.05s; }
.v3-tool-pos.c-2 { --tx: 310px; --ty: -226px; animation-delay: 0.15s; }
.v3-tool-pos.c-3 { --tx: 410px; --ty: 40px; animation-delay: 0.25s; }
.v3-tool-pos.c-4 { --tx: 290px; --ty: 310px; animation-delay: 0.35s; }
.v3-tool-pos.c-5 { --tx: 0; --ty: 410px; animation-delay: 0.45s; }
.v3-tool-pos.c-6 { --tx: -290px; --ty: 310px; animation-delay: 0.55s; }
.v3-tool-pos.c-7 { --tx: -410px; --ty: 40px; animation-delay: 0.65s; }
.v3-tool-pos.c-8 { --tx: -310px; --ty: -226px; animation-delay: 0.75s; }
.v3-tool-pos.c-1 .v3-tool-card { --rot: -10deg; }
.v3-tool-pos.c-1 .v3-tool-float { --float-d: 0s; }
.v3-tool-pos.c-2 .v3-tool-card { --rot: 15deg; }
.v3-tool-pos.c-2 .v3-tool-float { --float-d: 1.2s; animation-direction: alternate-reverse; }
.v3-tool-pos.c-3 .v3-tool-card { --rot: -5deg; }
.v3-tool-pos.c-3 .v3-tool-float { --float-d: 0.6s; }
.v3-tool-pos.c-4 .v3-tool-card { --rot: 20deg; }
.v3-tool-pos.c-4 .v3-tool-float { --float-d: 1.8s; animation-direction: alternate-reverse; }
.v3-tool-pos.c-5 .v3-tool-card { --rot: -15deg; }
.v3-tool-pos.c-5 .v3-tool-float { --float-d: 0.4s; }
.v3-tool-pos.c-6 .v3-tool-card { --rot: 10deg; }
.v3-tool-pos.c-6 .v3-tool-float { --float-d: 1.4s; animation-direction: alternate-reverse; }
.v3-tool-pos.c-7 .v3-tool-card { --rot: -20deg; }
.v3-tool-pos.c-7 .v3-tool-float { --float-d: 0.9s; }
.v3-tool-pos.c-8 .v3-tool-card { --rot: 5deg; }
.v3-tool-pos.c-8 .v3-tool-float { --float-d: 2s; animation-direction: alternate-reverse; }

@media (max-width: 1280px) { .v3-orbit { transform: scale(0.78); } }
@media (max-width: 1024px) { .v3-orbit { transform: scale(0.6); } }
@media (max-width: 768px) {
  .v3-orbit { display: none; }
  .v3-nav { padding: 20px; }
  .v3-nav-item { font-size: 12px; letter-spacing: 0.14em; }
  .v3-nav-links { gap: 16px; }
  .v3-nav-brand img { width: 36px; height: 36px; }
}

/* ============================================================
   SECTION 2 · PRODUCT REEL (scroll-driven horizontal scroll)
   ============================================================ */
.v3-reel {
  position: relative;
  width: 100%;
  background: transparent;
}
.v3-reel-sticky {
  position: relative;
  height: auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  padding: clamp(80px,10vw,128px) 0;
  background: transparent;
}
.v3-reel-head {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 clamp(24px, 5vw, 56px);
  margin-bottom: 36px;
  font-family: ui-monospace, "JetBrains Mono", "IBM Plex Mono", Menlo, monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(14, 14, 14, 0.55);
}
.v3-reel-line {
  flex: 1;
  height: 1px;
  background: rgba(14, 14, 14, 0.12);
}
.v3-reel-viewport {
  flex: 1;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.v3-reel-track {
  display: flex;
  padding: 0;
  width: max-content;
  will-change: transform;
  animation: v3-reel-marquee 46s linear infinite;
}

@keyframes v3-reel-marquee {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(-50%, 0, 0); }
}
@media (prefers-reduced-motion: reduce) {
  .v3-reel-track { animation: none; }
}
.v3-reel-item {
  flex: 0 0 auto;
  height: 64vh;
  min-height: 460px;
  margin-right: 28px;
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  background: #f4f1ec;
  box-shadow: 0 24px 48px -16px rgba(14, 14, 14, 0.25);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.v3-reel-item img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  user-select: none;
  -webkit-user-drag: none;
}
.v3-reel-caption {
  position: absolute;
  left: 16px;
  bottom: 16px;
  font-family: ui-monospace, "JetBrains Mono", "IBM Plex Mono", Menlo, monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #fff;
  background: rgba(0, 0, 0, 0.55);
  padding: 6px 10px;
  border-radius: 999px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.v3-reel-item.is-landscape { aspect-ratio: 16 / 10; }
.v3-reel-item.is-portrait { aspect-ratio: 3 / 4; }
.v3-reel-item.is-tall {
  aspect-ratio: 9 / 14;
  height: 76vh;
  min-height: 540px;
  margin-top: -6vh;
}
@media (max-width: 760px) {
  .v3-reel-item { height: 56vh; min-height: 360px; }
  .v3-reel-item.is-tall { height: 64vh; min-height: 440px; }
}
.v3-marquee {
  position: relative;
  z-index: 5;
  padding: 22px 0;
  background: var(--brand);
  color: #fff;
  border-top: 2px solid var(--brand);
  border-bottom: 2px solid var(--brand);
  overflow: hidden;
}
.v3-marquee.invert {
  background: #fff;
  color: var(--brand);
  border-color: var(--brand);
}
.v3-marquee-track {
  display: flex;
  gap: 38px;
  width: max-content;
  animation: v3-marq 28s linear infinite;
  align-items: center;
  white-space: nowrap;
}
@keyframes v3-marq {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.v3-marquee-text {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(26px, 3.4vw, 48px);
  letter-spacing: -0.02em;
  line-height: 1;
}
.v3-marquee-text.zh {
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: 0;
}
.v3-marquee-star {
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  opacity: 0.95;
}

/* ============================================================
   SECTION 3 · MANIFESTO
   ============================================================ */
.v3-manifesto {
  position: relative;
  width: 100%;
  background: transparent;
}
.v3-manifesto-sticky {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: clamp(72px, 14vh, 160px) 6vw;
  text-align: left;
  background: transparent;
}
.v3-manifesto-mark {
  align-self: flex-start;
  margin-bottom: clamp(36px, 5vh, 64px);
  max-width: 1100px;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
}
.v3-manifesto-mark img {
  display: block;
  width: clamp(64px, 7vh, 92px);
  height: clamp(64px, 7vh, 92px);
  animation: v3-manifesto-spin 9s linear infinite;
  transform-origin: 50% 50%;
}
@keyframes v3-manifesto-spin {
  to { transform: rotate(360deg); }
}
@media (prefers-reduced-motion: reduce) {
  .v3-manifesto-mark img { animation: none; }
}
.v3-manifesto-reveal {
  font-family: var(--zh);
  font-weight: 500;
  font-size: clamp(1.75rem, 4.2vw, 3.5rem);
  line-height: 1.34;
  letter-spacing: -0.01em;
  color: #eaeaea;
  margin: 0;
  max-width: 1100px;
}
.v3-manifesto-block {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}
.v3-manifesto-logo {
  align-self: flex-end;
  margin-top: clamp(28px, 4vh, 56px);
  width: clamp(72px, 9vh, 110px);
  height: clamp(72px, 9vh, 110px);
  opacity: 0;
  transform: scale(2) rotate(-8deg);
  pointer-events: none;
}
.v3-manifesto-logo.is-in {
  animation: v3-manifesto-stamp 0.55s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
.v3-manifesto-logo img {
  width: 100%;
  height: 100%;
  display: block;
  transform-origin: 50% 50%;
}
@keyframes v3-manifesto-stamp {
  0%   { opacity: 0; transform: scale(2.4) rotate(-12deg); }
  35%  { opacity: 1; transform: scale(0.88) rotate(2deg); }
  55%  { transform: scale(1.06) rotate(-1deg); }
  75%  { transform: scale(0.98) rotate(0.4deg); }
  100% { opacity: 1; transform: scale(1) rotate(0deg); }
}
@media (prefers-reduced-motion: reduce) {
  .v3-manifesto-logo.is-in {
    animation: none;
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
}
.v3-rev-ch {
  display: inline;
  color: #eaeaea;
  transition: color 0.18s linear;
  will-change: color;
}
.v3-rev-ch.is-strike {
  text-decoration: line-through;
  text-decoration-thickness: 2px;
}

/* ============================================================
   SECTION 4 · SCENARIOS (Capabilities-style border cards)
   ============================================================ */
.v3-scenarios {
  padding: clamp(64px, 8vw, 96px) var(--pad-page);
  max-width: var(--w-page);
  margin: 0 auto;
}
.v3-scen-head {
  position: relative;
  z-index: 5;
  text-align: center;
  margin-bottom: 56px;
}
.v3-scen-head h2 {
  font-family: var(--accent);
  font-weight: 500;
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  line-height: 0.95;
  color: var(--brand);
  margin: 16px auto 0;
  max-width: 760px;
}
.v3-scen-head .num { font-family: var(--display); font-style: normal; font-weight: 800; color: var(--ink); }
.v3-scen-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px 28px;
  padding: 32px 0 56px;
}
.v3-scen-card {
  --tilt-y: 0px;
  --tilt-r: 0deg;
  --pop-y: 0px;
  --pop-s: 1;
  border: none;
  background: transparent;
  padding: 32px 28px;
  aspect-ratio: 3 / 4;
  height: auto;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transform: translateY(calc(var(--tilt-y) + var(--pop-y))) rotate(var(--tilt-r)) scale(var(--pop-s));
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), background 0.35s ease, color 0.35s ease, box-shadow 0.35s ease;
  position: relative;
  overflow: hidden;
}
/* staggered pop-in on scroll-into-view */
.v3-scen-grid.is-anim:not(.is-revealed) .v3-scen-card {
  opacity: 0;
  --pop-y: 64px;
  --pop-s: 0.9;
}
.v3-scen-grid.is-revealed:not(.is-settled) .v3-scen-card:nth-child(1) { transition-delay: 0s; }
.v3-scen-grid.is-revealed:not(.is-settled) .v3-scen-card:nth-child(2) { transition-delay: 0.08s; }
.v3-scen-grid.is-revealed:not(.is-settled) .v3-scen-card:nth-child(3) { transition-delay: 0.16s; }
.v3-scen-grid.is-revealed:not(.is-settled) .v3-scen-card:nth-child(4) { transition-delay: 0.24s; }
.v3-scen-grid.is-revealed:not(.is-settled) .v3-scen-card:nth-child(5) { transition-delay: 0.32s; }
.v3-scen-grid.is-revealed:not(.is-settled) .v3-scen-card:nth-child(6) { transition-delay: 0.40s; }
@media (prefers-reduced-motion: reduce) {
  .v3-scen-grid.is-anim:not(.is-revealed) .v3-scen-card {
    opacity: 1;
    --pop-y: 0px;
    --pop-s: 1;
  }
  .v3-scen-grid .v3-scen-card { transition-delay: 0s; }
}

/* spec · block rise + fade entrance (per-child stagger) */
.v3-rise > * {
  opacity: 0;
  transform: translateY(44px);
}
.v3-rise.is-in > * {
  opacity: 1;
  transform: none;
  transition: opacity 0.9s ease-out, transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}
.v3-rise.is-in > *:nth-child(2) { transition-delay: 0.18s; }
.v3-rise.is-in > *:nth-child(3) { transition-delay: 0.34s; }
@media (prefers-reduced-motion: reduce) {
  .v3-rise > * { opacity: 1; transform: none; }
}
.v3-scen-card:nth-child(1) { --tilt-y: 0px;  --tilt-r: -2deg; }
.v3-scen-card:nth-child(2) { --tilt-y: 30px; --tilt-r: 1.6deg; }
.v3-scen-card:nth-child(3) { --tilt-y: 10px; --tilt-r: -1deg; }
.v3-scen-card:nth-child(4) { --tilt-y: 42px; --tilt-r: 2deg; }
.v3-scen-card:nth-child(5) { --tilt-y: 6px;  --tilt-r: -1.6deg; }
.v3-scen-card:nth-child(6) { --tilt-y: 34px; --tilt-r: 1.2deg; }
.v3-scen-card:hover {
  background: var(--brand);
  --tilt-y: -10px;
  --tilt-r: 0deg;
  z-index: 2;
  box-shadow: 0 18px 40px rgba(239, 57, 34, 0.28);
}
.v3-scen-card .scen-num {
  font-family: var(--display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--brand);
  margin-bottom: auto;
  transition: color 0.35s;
}
.v3-scen-card:hover .scen-num,
.v3-scen-card:hover .scen-arrow { color: #fff; }
.v3-scen-card .scen-icon {
  width: 100%;
  max-width: 320px;
  aspect-ratio: 1 / 1;
  height: auto;
  margin: auto auto 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.v3-scen-card .scen-icon svg,
.v3-scen-card .scen-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: filter 0.35s ease;
  transform-origin: 50% 70%;
}
.v3-scen-card:hover .scen-icon img,
.v3-scen-card:hover .scen-icon svg {
  filter: brightness(0) invert(1);
  animation: v3-scen-jiggle 0.55s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}
@keyframes v3-scen-jiggle {
  0%   { transform: rotate(0deg)   translateX(0); }
  15%  { transform: rotate(-3deg)  translateX(-2px); }
  30%  { transform: rotate(3deg)   translateX(2px); }
  45%  { transform: rotate(-2.5deg) translateX(-1.5px); }
  60%  { transform: rotate(2deg)   translateX(1px); }
  75%  { transform: rotate(-1deg)  translateX(-1px); }
  100% { transform: rotate(0deg)   translateX(0); }
}
@media (prefers-reduced-motion: reduce) {
  .v3-scen-card:hover .scen-icon img,
  .v3-scen-card:hover .scen-icon svg { animation: none; }
}
.v3-scen-card .scen-icon .ic-line { stroke: var(--brand); transition: stroke 0.35s; }
.v3-scen-card .scen-icon .ic-fill { fill: var(--brand); transition: fill 0.35s; }
.v3-scen-card .scen-icon .ic-accent { fill: var(--orange); transition: fill 0.35s; }
.v3-scen-card:hover .scen-icon .ic-line { stroke: #fff; }
.v3-scen-card:hover .scen-icon .ic-fill { fill: #fff; }
.v3-scen-card:hover .scen-icon .ic-accent { fill: #fff; }

.v3-scen-card .scen-title {
  font-family: var(--display);
  font-weight: 800;
  font-size: 30px;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 12px;
  transition: color 0.35s;
}
.v3-scen-card .scen-desc {
  font-family: var(--zh);
  font-weight: 400;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  opacity: 0.85;
  margin: 0;
  transition: color 0.35s, opacity 0.35s;
}
.v3-scen-card:hover .scen-title { color: #fff; }
.v3-scen-card:hover .scen-desc { color: #fff; opacity: 0.9; }
.v3-scen-card .scen-arrow {
  position: absolute;
  top: 32px;
  right: 32px;
  font-family: var(--display);
  font-size: 24px;
  color: var(--brand);
  transition: color 0.35s, transform 0.35s;
}
.v3-scen-card:hover .scen-arrow { transform: translate(4px, -4px); }

/* ============================================================
   SECTION 5 · PRODUCTS
   ============================================================ */
.v3-products {
  position: relative;
  padding: clamp(80px, 10vw, 128px) 0;
  background-color: transparent;
  transition: background-color 0.9s cubic-bezier(0.4, 0, 0.2, 1);
  border-top: none;
}
.v3-products.is-active { background-color: var(--brand); }
.v3-products-inner {
  max-width: var(--w-page);
  margin: 0 auto;
  padding: 0 var(--pad-page);
}
.v3-products-head { text-align: center; margin-bottom: 72px; }
.v3-products-head .v3-label { margin-bottom: clamp(24px, 3.2vh, 40px); }
.v3-products-head h2 {
  font-family: var(--accent);
  font-weight: 500;
  font-size: clamp(2.6rem, 5vw, 4.4rem);
  line-height: 1.12;
  color: var(--brand);
  margin: 0 0 clamp(20px, 2.6vh, 30px);
  transition: color 0.9s cubic-bezier(0.4, 0, 0.2, 1);
}
.v3-products.is-active .v3-products-head h2 { color: #ffffff; }
.v3-products-head p {
  font-family: var(--zh);
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink);
  opacity: 0.78;
  max-width: 640px;
  margin: 0 auto;
  transition: color 0.9s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.9s cubic-bezier(0.4, 0, 0.2, 1);
}
.v3-products.is-active .v3-products-head p {
  color: rgba(255, 255, 255, 0.88);
  opacity: 1;
}
.v3-products-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.v3-product {
  position: relative;
  background: #fff;
  border: 1px solid var(--grid);
  padding: clamp(36px, 4vw, 56px);
  overflow: hidden;
  box-shadow: 0 24px 60px -16px rgba(0,0,0,0.06);
  transition: transform 0.4s;
}
.v3-product:hover { transform: translateY(-6px); }
.v3-product { cursor: pointer; }
.v3-product .pd-illo {
  position: absolute;
  width: clamp(252px, 38%, 392px);
  height: auto;
  right: -56px;
  top: auto;
  bottom: -56px;
  z-index: 1;
  pointer-events: none;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.v3-product.two .pd-illo { top: auto; bottom: -56px; right: -48px; }
.v3-product:hover .pd-illo { transform: scale(1.07) rotate(3deg); }
.v3-product.two:hover .pd-illo { transform: scale(1.07) rotate(3deg); }
.v3-product-body { position: relative; z-index: 2; }
.v3-product-head {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 32px;
}
.v3-product-icon {
  width: 56px; height: 56px;
  background: var(--ink);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
}
.v3-product-icon svg { width: 28px; height: 28px; stroke: #fff; fill: none; stroke-width: 2; }
.v3-product .v3-product-name {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(26px, 2.8vw, 40px);
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0;
}
.v3-product-name .dot { color: var(--brand); }

/* random letter-swap (ping-pong) — rolls on .v3-product hover */
.rls { display: inline-flex; }
.rls-ch {
  position: relative;
  display: inline-block;
  overflow: hidden;
  line-height: 1.18;
  vertical-align: bottom;
}
.rls-a, .rls-b {
  display: inline-block;
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}
.rls-b { position: absolute; left: 0; top: 0; transform: translateY(100%); }
.rls-dot .rls-a, .rls-dot .rls-b { color: var(--brand); }
.v3-product:hover .rls-a { transform: translateY(-100%); }
.v3-product:hover .rls-b { transform: translateY(0); }
.v3-product-tag {
  font-family: var(--display);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 8px;
}
.v3-product-desc {
  font-family: var(--zh);
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink);
  opacity: 0.78;
  margin: 0 0 32px;
  max-width: 460px;
}
.v3-product-feats {
  list-style: none;
  margin: 0 0 40px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.v3-product-feats li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--zh);
  font-weight: 500;
  font-size: 16px;
  color: var(--ink);
}
.v3-product-feats .dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex: 0 0 10px;
}
.v3-product-feats .d1 { background: var(--brand); }
.v3-product-feats .d2 { background: var(--green); }
.v3-product-feats .d3 { background: var(--orange); }

/* ============================================================
   SECTION 6 · CLIENTS (grid · random fade-in)
   ============================================================ */
.v3-clients {
  padding: clamp(96px, 12vw, 160px) clamp(24px, 5vw, 64px);
  background: transparent;
  border-top: 1px solid var(--grid);
  border-bottom: 1px solid var(--grid);
}
.v3-clients-head {
  text-align: center;
  margin-bottom: clamp(56px, 7vw, 96px);
}
.v3-clients-head .v3-label {
  margin-bottom: 24px;
}
.v3-clients-title {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.8rem, 6vw, 5.6rem);
  line-height: 0.98;
  letter-spacing: -0.025em;
  color: var(--brand);
  margin: 0;
}
.v3-clients-sub {
  font-family: var(--zh);
  font-weight: 500;
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.55;
  color: var(--ink);
  opacity: 0.72;
  margin: 22px auto 0;
  max-width: 720px;
}
.v3-clients-marquee {
  width: 100%;
  max-width: var(--w-wide);
  margin: 0 auto;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 8%, #000 92%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, #000 8%, #000 92%, transparent 100%);
  display: flex;
  flex-direction: column;
  gap: clamp(32px, 4vw, 56px);
}
.v3-clients-row {
  position: relative;
  overflow: hidden;
  padding: 6px 0;
}
.v3-clients-track {
  display: flex;
  align-items: center;
  gap: 56px;
  width: max-content;
  padding: 0 28px;
  animation: v3-clients-roll 60s linear infinite;
}
.v3-clients-row.is-rev .v3-clients-track {
  animation-duration: 72s;
  animation-direction: reverse;
}
@keyframes v3-clients-roll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.v3-clients-cell {
  flex: 0 0 auto;
  width: 134px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.7;
  transition: opacity 0.3s ease, filter 0.3s ease;
}
.v3-clients-cell:hover {
  opacity: 1;
}
.v3-clients-cell img {
  max-height: 45px;
  max-width: 100%;
  filter: grayscale(1) contrast(0.9);
  transition: filter 0.3s ease;
}
.v3-clients-cell:hover img {
  filter: none;
}
.v3-clients-cell.fallback {
  font-family: var(--display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--ink);
  opacity: 0.7;
}

/* ============================================================
   SECTION 7 · WORK grid (Recent Work — staggered)
   ============================================================ */
.v3-work {
  padding: clamp(96px, 11vw, 144px) var(--pad-page);
  max-width: var(--w-page);
  margin: 0 auto;
}
.v3-work-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 64px;
  gap: 24px;
  flex-wrap: wrap;
}
.v3-work-head .lead {
  font-family: var(--accent);
  font-weight: 500;
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  line-height: 0.95;
  color: var(--brand);
  max-width: 760px;
  margin: 16px 0 0;
}
.v3-work-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(36px, 5vw, 72px);
  align-items: start;
}
.v3-work-card { cursor: pointer; }
.v3-work-card.stagger-1 { margin-top: 0; }
.v3-work-card.stagger-2 { margin-top: clamp(80px, 12vw, 160px); }
.v3-work-cover {
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.v3-work-cover.bg-dark { background: var(--ink); }
.v3-work-cover.bg-light { background: var(--light); }
.v3-work-cover.bg-green { background: var(--green); }
.v3-work-cover.bg-orange { background: var(--orange); }
.v3-work-cover.bg-brand { background: var(--brand); }
.v3-work-cover .art { width: 80%; height: 80%; }
.v3-work-cover .reveal {
  position: absolute;
  inset: 0;
  background: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateY(100%);
  transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}
.v3-work-card:hover .reveal { transform: translateY(0); }
.v3-work-cover .reveal span {
  font-family: var(--accent);
  color: #fff;
  font-size: clamp(24px, 2.6vw, 36px);
}
.v3-work-meta {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}
.v3-work-meta h3 {
  font-family: "Plus Jakarta Sans", "Noto Sans SC", system-ui, sans-serif;
  font-weight: 700;
  font-size: 26px;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin: 0 0 4px;
}
.v3-work-meta p {
  font-family: var(--accent);
  font-size: 16px;
  color: var(--brand);
  margin: 0;
}
.v3-work-meta .yr {
  font-family: var(--display);
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
  opacity: 0.5;
  letter-spacing: 0.02em;
}

/* ============================================================
   SECTION 8 · FIELD (on the field)
   ============================================================ */
.v3-field {
  position: relative;
  width: 100%;
  padding: clamp(80px, 8vw, 120px) 0;
  margin: 0;
  background: transparent;
}
.v3-field-stage {
  position: relative;
  width: 92%;
  max-width: var(--w-wide);
  margin: 0 auto;
  height: 90vh;
  min-height: 640px;
  overflow: hidden;
  background: #0E0E0E;
  border-radius: 32px;
  box-shadow: 0 40px 80px -20px rgba(14, 14, 14, 0.25);
  transform: scale(0.86);
  transition: width 0.9s cubic-bezier(0.22, 1, 0.36, 1),
              max-width 0.9s cubic-bezier(0.22, 1, 0.36, 1),
              border-radius 0.9s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.9s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.9s ease;
}
.v3-field.is-in .v3-field-stage {
  width: 100%;
  max-width: none;
  border-radius: 0;
  transform: scale(1);
  box-shadow: 0 0 0 transparent;
}
.v3-field.is-in {
  padding: 0;
  transition: padding 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}
.v3-field-bg {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.7s ease;
  background: #0E0E0E;
}
.v3-field-bg.is-active { opacity: 1; }
.v3-field-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.v3-field-placeholder .ph-label {
  font-family: ui-monospace, "JetBrains Mono", "IBM Plex Mono", Menlo, monospace;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.45);
  text-transform: uppercase;
}
.v3-field-veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.42) 0%,
    rgba(0, 0, 0, 0.5) 100%
  );
  pointer-events: none;
  z-index: 2;
}
.v3-field-overlay {
  position: absolute;
  inset: 0;
  padding: clamp(36px, 5vw, 80px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  z-index: 10;
  color: #fff;
}
.v3-field-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}
.v3-field-tag {
  font-family: var(--display);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: #fff;
  padding: 10px 18px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 999px;
}
.v3-field-headline {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.6rem, 6.5vw, 6rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: #fff;
  margin: 0;
  max-width: 18ch;
}
.v3-field-headline span { color: rgba(255, 255, 255, 0.55); }
.v3-field-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  flex-wrap: wrap;
}
.v3-field-current {
  color: #fff;
  max-width: 60%;
}
.v3-field-current .nm {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(22px, 2vw, 32px);
  letter-spacing: -0.01em;
  line-height: 1.1;
}
.v3-field-current .yr {
  font-family: var(--accent);
  font-size: 13px;
  letter-spacing: 0.16em;
  opacity: 0.75;
  margin-top: 8px;
  text-transform: uppercase;
}
.v3-field-switch {
  display: flex;
  gap: 10px;
}
.v3-field-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  padding: 14px 22px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #fff;
  cursor: pointer;
  transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
  font-family: var(--display);
  min-width: 132px;
  border-radius: 0;
}
.v3-field-btn:hover,
.v3-field-btn.is-active {
  background: var(--brand);
  border-color: var(--brand);
}
.v3-field-btn .n {
  font-family: var(--accent);
  font-size: 12px;
  letter-spacing: 0.14em;
  opacity: 0.7;
}
.v3-field-btn .lbl {
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* ============================================================
   SECTION 9 · AI (dark stage · falling paper cards)
   ============================================================ */
.v3-ai {
  position: relative;
  padding: clamp(140px, 16vw, 220px) clamp(24px, 5vw, 56px) clamp(80px, 10vw, 128px);
  background: #0E0E0E;
  color: #fff;
  overflow: hidden;
}
.v3-ai-inner {
  position: relative;
  z-index: 3;
}
/* Entrance: rise & fade in when the lamp turns on */
.v3-ai-head .v3-label,
.v3-ai-headline,
.v3-ai-cta-wrap {
  opacity: 0;
  transform: translateY(48px);
  transition: opacity 0.9s ease-out, transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}
.v3-ai.lamp-on .v3-ai-head .v3-label { transition-delay: 0.15s; }
.v3-ai.lamp-on .v3-ai-headline       { transition-delay: 0.35s; }
.v3-ai.lamp-on .v3-ai-cta-wrap       { transition-delay: 0.60s; }
.v3-ai.lamp-on .v3-ai-head .v3-label,
.v3-ai.lamp-on .v3-ai-headline,
.v3-ai.lamp-on .v3-ai-cta-wrap {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .v3-ai-head .v3-label,
  .v3-ai-headline,
  .v3-ai-cta-wrap {
    opacity: 1;
    transform: translateY(0);
    transition: none;
  }
}

/* ---------- LAMP (subtler red glow) ---------- */
.v3-ai-lamp {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: clamp(260px, 22vw, 340px);
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
}
.v3-ai-lamp .cone {
  position: absolute;
  left: 50%;
  top: clamp(100px, 10vw, 130px);
  width: 15rem;
  max-width: 90vw;
  height: clamp(200px, 20vw, 280px);
  transform: translate(-50%, 0);
  opacity: 0;
  transition: opacity 1s ease, width 1s cubic-bezier(0.22, 1, 0.36, 1);
  background:
    radial-gradient(
      ellipse 55% 100% at 50% 0%,
      rgba(239, 57, 34, 0.65) 0%,
      rgba(239, 57, 34, 0.32) 22%,
      rgba(239, 57, 34, 0.12) 45%,
      transparent 78%
    );
  filter: blur(28px);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 18%, #000 82%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, #000 18%, #000 82%, transparent 100%);
  pointer-events: none;
  z-index: 0;
}
.v3-ai.lamp-on .cone {
  opacity: 0.7;
  width: clamp(720px, 60vw, 1000px);
}
.v3-ai.lamp-on .cone { opacity: 0.9; width: 30rem; }

/* Soft outer halo at the bulb — bridges the cones at center to kill the seam */
.v3-ai-lamp .bulb-glow {
  position: absolute;
  left: 50%;
  top: clamp(100px, 10vw, 130px);
  width: clamp(320px, 36vw, 480px);
  height: 7rem;
  transform: translate(-50%, -50%);
  background: var(--brand);
  border-radius: 999px;
  opacity: 0;
  filter: blur(60px);
  transition: opacity 1s ease;
  z-index: 1;
}
.v3-ai.lamp-on .bulb-glow { opacity: 0.4; }

/* Bright concentrated core glow */
.v3-ai-lamp .bulb-core {
  position: absolute;
  left: 50%;
  top: clamp(100px, 10vw, 130px);
  width: 6rem;
  height: 6rem;
  transform: translate(-50%, calc(-50% - 1rem));
  background: #ff7a5a;
  border-radius: 999px;
  opacity: 0;
  filter: blur(32px);
  transition: opacity 1s ease, width 1s ease;
  z-index: 2;
}
.v3-ai.lamp-on .bulb-core { opacity: 0.65; width: 11rem; }

/* The thin filament line */
.v3-ai-lamp .line {
  position: absolute;
  left: 50%;
  top: clamp(100px, 10vw, 130px);
  width: 0;
  height: 1.5px;
  background: #ff8a6a;
  box-shadow: 0 0 18px 1.5px rgba(239, 57, 34, 0.65);
  transform: translate(-50%, -1rem);
  transition: width 0.9s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 4;
}
.v3-ai.lamp-on .line { width: clamp(360px, 32vw, 520px); }

/* Mask hiding everything above the line so cones look like they emerge from a slit */
.v3-ai-lamp .top-mask {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: calc(clamp(100px, 10vw, 130px) - 1rem);
  background: #0E0E0E;
  z-index: 3;
}
.v3-ai-inner {
  max-width: var(--w-page);
  margin: 0 auto;
  position: relative;
  z-index: 3;
}
.v3-ai-head { text-align: center; margin-bottom: 32px; }
.v3-ai-headline {
  font-family: var(--display);
  font-weight: 700;
  font-size: 56px;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: #fff;
  text-align: center;
  margin: 0 auto;
  max-width: 1100px;
}
.v3-ai-headline .accent {
  font-family: var(--accent);
  font-weight: 600;
  color: var(--brand);
  padding: 0 4px;
}
.v3-ai-cta-wrap { text-align: center; margin-top: clamp(14px, 2vw, 24px); margin-bottom: clamp(32px, 5vw, 56px); }

/* Marquee — looping ribbon of outline chips */
.v3-ai-marquee {
  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  margin-top: clamp(40px, 6vw, 64px);
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 8%, #000 92%, transparent 100%);
  mask-image: linear-gradient(to right, transparent 0%, #000 8%, #000 92%, transparent 100%);
}
.v3-ai-marquee-track {
  display: flex;
  gap: 24px;
  width: max-content;
  animation: v3-ai-marquee 28s linear infinite;
}
@keyframes v3-ai-marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.v3-ai-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 14px 26px;
  background: transparent;
  color: var(--brand);
  border: none;
  border-radius: 999px;
  font-family: var(--zh);
  font-weight: 600;
  font-size: clamp(16px, 1.4vw, 20px);
  letter-spacing: -0.005em;
  white-space: nowrap;
  user-select: none;
}
.v3-ai-chip .hash {
  font-family: var(--display);
  font-weight: 800;
  color: var(--brand);
  margin-right: 4px;
}
@media (prefers-reduced-motion: reduce) {
  .v3-ai-marquee-track { animation: none; }
}

/* ============================================================
   SECTION 10 · FOOTER
   ============================================================ */
.v3-footer {
  background: transparent;
  padding: clamp(64px, 8vw, 112px) 0 28px;
  position: relative;
  border-top: 2px solid var(--brand);
  overflow: hidden;
}
.v3-footer-cursor {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}
.v3-footer-inner {
  max-width: var(--w-wide);
  margin: 0 auto;
  padding: 0 var(--pad-page);
  position: relative;
  z-index: 2;
}
.v3-footer-grid {
  display: grid;
  grid-template-columns: 1.1fr 1.1fr 1.6fr;
  gap: clamp(32px, 5vw, 80px);
  padding-bottom: clamp(64px, 8vw, 120px);
}
.v3-footer-col-r {
  display: flex;
  flex-direction: column;
  gap: clamp(20px, 3vw, 32px);
}
.v3-footer-label {
  font-family: var(--display);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 16px;
}
.v3-footer-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.v3-footer-links a {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(28px, 3.2vw, 48px);
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--ink);
  transition: color 0.25s, transform 0.25s;
  display: inline-block;
}
.v3-footer-links a:hover { color: var(--brand); transform: translateX(6px); }
.v3-footer-mail {
  font-family: var(--accent);
  font-size: clamp(22px, 2.4vw, 36px);
  color: var(--brand);
  text-decoration: none;
  display: inline-block;
  transition: font-family 0s, color 0.25s ease, letter-spacing 0.25s ease;
}
.v3-footer-mail:hover {
  font-family: var(--display);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.v3-footer-mark {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 0 36px;
  overflow: visible;
}
.v3-footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 22px;
  border-top: 1px solid var(--grid);
  font-family: var(--display);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink);
  opacity: 0.7;
  flex-wrap: wrap;
  gap: 16px;
}
.v3-footer-bottom a { transition: color 0.25s; }
.v3-footer-bottom a:hover { color: var(--brand); }
.v3-footer-bottom .legal { display: flex; gap: 10px; align-items: center; }

/* ============================================================
   FLOATING CTA
   ============================================================ */
.v3-fab {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 110px;
  height: 110px;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
}
.v3-fab .spin {
  position: absolute;
  inset: 0;
  animation: v3-spin 12s linear infinite;
  color: var(--ink);
}
.v3-fab .spin svg {
  display: block;
  width: 100%;
  height: 100%;
}
.v3-fab .core {
  position: relative;
  z-index: 2;
  width: 56px; height: 56px;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s;
}
.v3-fab .core .v3-fab-logo {
  width: 44px; height: 44px;
  background: var(--ink);
  -webkit-mask-image: var(--v3-fab-logo-url);
  mask-image: var(--v3-fab-logo-url);
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  transition: background 0.3s;
}
.v3-fab:hover .core { transform: scale(1.1); }
.v3-fab:hover .v3-fab-logo { background: var(--brand); }

/* ============================================================
   HOMEPAGE SECTION-TITLE SCALE
   首页区块标题统一映射到设计系统的 H1 级（--fs-h1 · Syne · ~56px），
   覆盖 type-v4 把它们分别压到 --fs-h2 / 写死 67px 的规则。
   中文走 Noto 回落，仅拉丁/数字呈现 Syne。
   ============================================================ */
.v3-scenarios .v3-scen-head h2,
.v3-products .v3-products-head h2,
.v3-work .v3-work-head .lead,
.v3-clients .v3-clients-title {
  font-family: var(--display);
  font-weight: 800;
  font-size: var(--fs-h1);
  line-height: var(--lh-h1);
  letter-spacing: -0.03em;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
/* 仅移动端生效的换行符,桌面隐藏 */
.br-m { display: none; }

@media (max-width: 1080px) {
  .v3-scen-grid { grid-template-columns: repeat(2, 1fr); }
  .v3-scen-card:nth-child(n) { --tilt-y: 0px; --tilt-r: 0deg; }
  .v3-scen-card:nth-child(odd) { --tilt-r: -1.2deg; }
  .v3-scen-card:nth-child(even) { --tilt-y: 24px; --tilt-r: 1.2deg; }
}
@media (max-width: 760px) {
  /* 显示移动端换行 */
  .br-m { display: inline; }

  /* 1 · Hero 旋转词行不再相互压字(此前 👀 emoji 行会溢出/重叠) */
  .v3-hero-h1 { font-size: clamp(30px, 8vw, 44px); line-height: 1.3; }

  /* 2 · 六个场景卡片:纵向逐个排列,每张改成横版(左标题 / 右图,去掉说明文字) */
  .v3-scen-grid { grid-template-columns: 1fr; gap: 0; padding: 16px 0 36px; }
  .v3-scen-card {
    flex-direction: row;
    align-items: center;
    gap: 16px;
    aspect-ratio: auto;
    padding: 18px 4px;
    border-bottom: 1px solid rgba(14, 14, 14, 0.1);
  }
  .v3-scen-card .scen-num { margin: 0; flex: 0 0 auto; font-size: 12px; }
  .v3-scen-card .scen-title { flex: 1; margin: 0; font-size: 20px; }
  .v3-scen-card .scen-desc { display: none; }
  .v3-scen-card .scen-icon { margin: 0; flex: 0 0 120px; width: 120px; max-width: 120px; }
  .v3-scen-card .scen-arrow { display: none; }

  /* 案例 / 产品 / 页脚保持单列 */
  .v3-work-grid { grid-template-columns: 1fr; }
  .v3-work-card.stagger-1, .v3-work-card.stagger-2 { margin-top: 0; }
  .v3-products-grid { grid-template-columns: 1fr; }
  .v3-footer-grid { grid-template-columns: 1fr; }
  .v3-work-head { flex-direction: column; align-items: flex-start; }
  .v3-nav { padding: 18px; }

  /* 3 · 板块标题在窄屏缩一档 */
  .v3-products-head { margin-bottom: 40px; }
  .v3-products-head h2 { font-size: clamp(28px, 7.4vw, 38px); }
  .v3-scen-head h2 { font-size: clamp(26px, 7vw, 36px); }
  .v3-work-head .lead { font-size: clamp(30px, 9vw, 44px); }

  /* 4 · 正文统一 15px */
  .v3-products-head p,
  .v3-product-desc,
  .v3-product-feats li { font-size: 15px; }

  /* 5 · “查看全部作品”幽灵按钮降一档 */
  .v3-link-italic { font-size: 18px; }

  /* 6 · 案例卡片标题与分类:字号统一并降一档 */
  .v3-work-meta h3,
  .v3-work-meta p { font-size: 15px; }

  /* 8 · AI 板块标题再降一档 */
  .v3-ai-headline { font-size: clamp(24px, 6.6vw, 32px); }

  /* 8 · 所有异形按钮随移动端等比缩小 */
  .scallop { padding: 12px 28px; font-size: 14px; }
  .scallop.sm { padding: 10px 22px; font-size: 13px; }
  .scallop.lg { padding: 13px 30px; font-size: 15px; }

  /* 7 · On The Field 重新排版:内容堆叠、字号收敛、切换钮等分铺满、遮罩加深 */
  .v3-field-stage { height: auto; min-height: 0; aspect-ratio: 3 / 4.4; }
  .v3-field-veil { background: linear-gradient(to bottom, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0.66) 100%); }
  .v3-field-overlay { padding: 22px; }
  .v3-field-top { flex-direction: column; align-items: flex-start; gap: 12px; }
  .v3-field-headline { font-size: clamp(28px, 8.5vw, 40px); max-width: 14ch; }
  .v3-field-bottom { flex-direction: column; align-items: stretch; gap: 16px; }
  .v3-field-current { max-width: 100%; }
  .v3-field-current .nm { font-size: 20px; }
  .v3-field-switch { width: 100%; gap: 6px; }
  .v3-field-btn { flex: 1; min-width: 0; padding: 10px 8px; }
  .v3-field-btn .lbl { font-size: 10px; letter-spacing: 0.06em; }
}

.v3-home {
  position: relative;
  z-index: 10;
}

.v3-tool-card .art img,
.v3-work-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
/* 案例封面:去掉彩色框,封面图直接铺满 4:3 框 */
.v3-work-cover { display: block; }
.v3-work-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.v3-tool-card .art img {
  opacity: 0.72;
  mix-blend-mode: screen;
}

.v3-work-cover > img {
  position: absolute;
  inset: 0;
}

.v3-field-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.v3-scen-card,
.v3-product,
.v3-work-card {
  text-decoration: none;
}

.v3-home .v3-hero-h1 .cr-ch {
  transform: translateY(110%);
  transition: transform 0.85s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--d, 0ms);
}

.v3-home .v3-hero-h1.is-in .cr-ch {
  transform: translateY(0);
}

.v3-home .v3-hero-h1 .hr-ch {
  animation: v3-hr-in 0.7s cubic-bezier(0.22, 1, 0.36, 1) both !important;
  animation-delay: var(--d, 0ms) !important;
}

.v3-home .v3-hero-h1 .hr-slot.is-out .hr-ch {
  animation: v3-hr-out 0.45s cubic-bezier(0.65, 0, 0.35, 1) both !important;
  animation-delay: var(--d, 0ms) !important;
}

.v3-home .v3-hero-h1.is-in .phl-box {
  animation: v3-phl-box 4s cubic-bezier(0.65, 0, 0.35, 1) 1.75s infinite !important;
}

.v3-home .v3-hero-h1.is-in .phl-arrow {
  animation: v3-phl-arrow 4s cubic-bezier(0.65, 0, 0.35, 1) 1.75s infinite !important;
}

.v3-home .v3-reel-track {
  animation: v3-reel-marquee 46s linear infinite !important;
}

.v3-home .v3-manifesto-mark img {
  animation: v3-manifesto-spin 9s linear infinite !important;
}


/* ============ 大开大合编排(2026-06 动效重做 Phase1) ============ */
/* 案例宇宙按钮:开场最后一拍落位(用 translate 属性,不与 hover 的 transform 冲突) */
.v3-hero-center .scallop {
  opacity: 0;
  translate: 0 34px;
  transition: opacity 0.9s ease-out 1.05s, translate 1.2s cubic-bezier(0.16, 1, 0.3, 1) 1.05s;
}
.v3-hero-center.is-set .scallop { opacity: 1; translate: 0 0; }

/* 板块整块一拍升起 */
.gx-unit {
  opacity: 0;
  translate: 0 64px;
  transition: opacity 1s ease-out, translate 1.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.gx-unit.gx-in { opacity: 1; translate: 0 0; }
.gx-d1 { transition-delay: 0.14s; }

/* 大图/卡片:1.05 → 1 缓慢收敛 */
.gx-scale { scale: 1.05; transition: opacity 1s ease-out, translate 1.3s cubic-bezier(0.16, 1, 0.3, 1), scale 1.8s cubic-bezier(0.16, 1, 0.3, 1); }
.gx-scale.gx-in { scale: 1; }

@media (prefers-reduced-motion: reduce) {
  body::before { animation: none; }
  .v3-hero-h1 .cr-ch { transform: none; transition: none; }
  .v3-hero-center .scallop { opacity: 1; translate: 0 0; transition: none; }
  .gx-unit, .gx-scale { opacity: 1; translate: 0 0; scale: 1; transition: none; }
}