:root {
  --bg: #020814;
  --deep: #06172f;
  --panel: rgba(7, 24, 55, .58);
  --panel-strong: rgba(8, 31, 72, .82);
  --line: rgba(94, 222, 255, .34);
  --line-strong: rgba(94, 242, 255, .94);
  --text: #f2fbff;
  --muted: #b7d8ff;
  --cyan: #61f7ff;
  --blue: #328dff;
  --violet: #7b79ff;
  --gold: #ffd16c;
  --danger: #ff6f93;
  --radius: 28px;
  --shadow: 0 0 36px rgba(45, 146, 255, .28), inset 0 0 28px rgba(97, 247, 255, .06);
  --font: "Microsoft YaHei", "PingFang SC", "HarmonyOS Sans SC", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--font);
  background:
    radial-gradient(circle at 18% 8%, rgba(42, 161, 255, .20), transparent 35rem),
    radial-gradient(circle at 86% 18%, rgba(113, 95, 255, .16), transparent 32rem),
    radial-gradient(circle at 52% 92%, rgba(25, 239, 255, .13), transparent 38rem),
    linear-gradient(135deg, #020814 0%, #05132b 46%, #020814 100%);
  overflow-x: hidden;
  cursor: url("assets/cursor.svg") 5 3, auto;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -3;
  background-image:
    linear-gradient(rgba(97, 247, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(97, 247, 255, .035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, black 0%, transparent 82%);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
  background:
    linear-gradient(120deg, transparent 0 45%, rgba(97, 247, 255, .045) 48%, transparent 52% 100%),
    linear-gradient(60deg, transparent 0 60%, rgba(50, 141, 255, .04) 63%, transparent 67% 100%);
}

a { color: inherit; text-decoration: none; cursor: url("assets/cursor-pointer.svg") 6 4, pointer; }
img { max-width: 100%; display: block; }
button, [data-tilt], [data-scene-tilt] { cursor: url("assets/cursor-pointer.svg") 6 4, pointer; }

#particleCanvas,
#matrixCanvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
#particleCanvas { z-index: -2; }
#matrixCanvas { z-index: -1; opacity: .52; }
.transition-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 20;
  overflow: hidden;
}
.bg-aurora {
  position: fixed;
  inset: -20%;
  z-index: -4;
  pointer-events: none;
  background:
    conic-gradient(from 120deg at 45% 45%, transparent, rgba(39, 154, 255, .16), transparent, rgba(97, 247, 255, .10), transparent),
    radial-gradient(circle at 80% 20%, rgba(97, 247, 255, .10), transparent 26rem);
  filter: blur(36px);
  animation: aurora 18s ease-in-out infinite alternate;
}
@keyframes aurora {
  from { transform: rotate(-3deg) scale(1); opacity: .85; }
  to { transform: rotate(5deg) scale(1.08); opacity: 1; }
}
.scanline {
  position: fixed;
  inset: 0;
  z-index: 30;
  pointer-events: none;
  background: repeating-linear-gradient(0deg, rgba(255,255,255,.035) 0 1px, transparent 1px 4px);
  mix-blend-mode: screen;
  opacity: .13;
}
.noise {
  position: fixed;
  inset: 0;
  z-index: 31;
  pointer-events: none;
  opacity: .045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E");
}
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  z-index: 80;
  background: linear-gradient(90deg, var(--cyan), var(--blue), var(--violet));
  box-shadow: 0 0 18px var(--cyan);
}

.topbar {
  position: fixed;
  left: 50%;
  top: 14px;
  transform: translateX(-50%);
  width: min(1180px, calc(100% - 34px));
  min-height: 72px;
  padding: 12px 18px;
  z-index: 70;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border: 1px solid rgba(97, 247, 255, .24);
  border-radius: 999px;
  background: rgba(2, 12, 29, .68);
  box-shadow: 0 0 30px rgba(39, 166, 255, .20), inset 0 0 28px rgba(97, 247, 255, .06);
  backdrop-filter: blur(18px);
}
.topbar.is-scrolled { background: rgba(2, 12, 29, .88); box-shadow: 0 10px 42px rgba(0,0,0,.34), 0 0 24px rgba(97,247,255,.16); }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 950; white-space: nowrap; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  color: #041427;
  font-size: 13px;
  letter-spacing: .08em;
  background: linear-gradient(135deg, var(--cyan), #5ca9ff);
  box-shadow: 0 0 24px rgba(97,247,255,.56), inset 0 0 12px rgba(255,255,255,.34);
}
.nav { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.nav a {
  padding: 10px 16px;
  border-radius: 999px;
  color: #d8eaff;
  font-size: 14px;
  font-weight: 900;
  opacity: .86;
  transition: color .2s ease, background .2s ease, box-shadow .2s ease;
}
.nav a:hover,
.nav a.active {
  color: #041427;
  background: linear-gradient(135deg, var(--cyan), #59a7ff);
  box-shadow: 0 0 20px rgba(97,247,255,.38);
}

.section {
  position: relative;
  min-height: 100vh;
  padding: 126px 0 84px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.section::before {
  content: "";
  position: absolute;
  inset: 9% 6%;
  border: 1px solid rgba(97,247,255,.08);
  border-radius: 42px;
  background: linear-gradient(135deg, rgba(97,247,255,.035), transparent 36%, rgba(50,141,255,.026));
  opacity: .66;
  pointer-events: none;
}
.section.is-active::before {
  border-color: rgba(97,247,255,.16);
  box-shadow: inset 0 0 46px rgba(97,247,255,.035);
}
.section-inner {
  position: relative;
  z-index: 2;
  width: min(1200px, calc(100% - 44px));
  margin: 0 auto;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, .68fr);
  align-items: center;
  gap: 42px;
}

h1, h2, h3, p { margin: 0; }
h1, h2, h3 { letter-spacing: -.055em; font-weight: 1000; color: var(--text); }
h1 {
  font-size: clamp(52px, 5.8vw, 86px);
  line-height: .88;
  white-space: nowrap;
  text-shadow: 0 0 18px rgba(255,255,255,.42), 0 0 34px rgba(97,247,255,.36);
}
h2 {
  font-size: clamp(32px, 3.5vw, 52px);
  line-height: 1.02;
  text-shadow: 0 0 22px rgba(97,247,255,.22);
}
h3 { font-size: 26px; line-height: 1.18; }
p { color: #d7eaff; line-height: 1.85; }
.tagline,
.eyebrow {
  color: var(--cyan);
  font-weight: 1000;
  letter-spacing: .14em;
  margin-bottom: 18px;
  text-shadow: 0 0 18px rgba(97,247,255,.55);
}
.subtitle-byte { position: relative; display: inline-block; }
.subtitle-byte::after {
  content: "01 10 01";
  position: absolute;
  left: 0;
  bottom: -13px;
  color: rgba(97,247,255,.48);
  font: 800 10px Consolas, monospace;
  letter-spacing: .18em;
  opacity: .58;
  animation: byteSlide 2.4s steps(4) infinite;
}
@keyframes byteSlide { 0%, 100% { transform: translateX(0); } 50% { transform: translateX(16px); } }
.hero-slogan {
  margin-top: 18px;
  max-width: none;
  white-space: nowrap;
  font-size: clamp(30px, 3.3vw, 48px);
  line-height: 1.04;
  letter-spacing: -.045em;
  font-weight: 1000;
  color: #f5fbff;
}
.hero-desc {
  max-width: 660px;
  margin-top: 18px;
  font-size: 16px;
}
.lead { max-width: 820px; margin-top: 16px; font-size: 18px; color: #d9ecff; }
.section-head { text-align: center; max-width: 900px; margin: 0 auto 46px; }
.section-head.compact { text-align: left; margin: 0; }

.motion-item {
  opacity: 0;
  transform: translateY(34px) scale(.985);
  filter: blur(10px);
  transition: opacity .82s ease, transform .82s cubic-bezier(.2, .9, .2, 1), filter .82s ease;
}
.section.is-active .motion-item.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}
.section.is-leaving .motion-item {
  opacity: .08;
  transform: translateY(-24px) scale(.985);
  filter: blur(14px);
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 30px 0 24px; }
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 25px;
  border-radius: 999px;
  font-weight: 950;
  letter-spacing: .03em;
  overflow: hidden;
  isolation: isolate;
  transition: transform .25s ease, box-shadow .25s ease;
}
.btn::before {
  content: "";
  position: absolute;
  inset: -2px;
  z-index: -1;
  background: linear-gradient(110deg, transparent, rgba(255,255,255,.85), transparent);
  transform: translateX(-120%);
  transition: transform .65s ease;
}
.btn:hover::before { transform: translateX(120%); }
.btn:hover { transform: translateY(-2px); }
.btn.primary { color: #021427; background: linear-gradient(135deg, var(--cyan), #45a8ff 56%, #8b7dff); box-shadow: 0 0 30px rgba(97,247,255,.42); }
.btn.ghost { color: var(--text); border: 1px solid rgba(97,247,255,.38); background: rgba(5, 22, 52, .52); }
.keyword-strip { display: flex; flex-wrap: wrap; gap: 10px; max-width: 630px; }
.keyword-strip span {
  padding: 8px 14px;
  border: 1px solid rgba(97,247,255,.25);
  border-radius: 999px;
  color: #cfe9ff;
  background: rgba(5, 20, 48, .36);
  font-size: 14px;
  font-weight: 850;
}

.hero-stage {
  position: relative;
  min-height: 548px;
  perspective: 1200px;
  transform-style: preserve-3d;
  isolation: isolate;
  overflow: visible;
}
.hero-stage::before {
  content: "";
  position: absolute;
  left: 12%;
  right: 6%;
  top: 10%;
  bottom: 4%;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(97,247,255,.14), transparent 58%),
    radial-gradient(circle at 64% 62%, rgba(50,141,255,.18), transparent 46%);
  filter: blur(10px);
  opacity: .86;
}
.holo-beam {
  position: absolute;
  left: 61%;
  top: 11%;
  width: 190px;
  height: 510px;
  transform: translateX(-50%) rotate(8deg);
  background: linear-gradient(90deg, transparent, rgba(97,247,255,.10), transparent);
  filter: blur(8px);
  opacity: .58;
}
.holo-ring {
  position: absolute;
  left: 57%;
  top: 52%;
  border: 1px dashed rgba(97,247,255,.32);
  border-radius: 50%;
  transform-style: preserve-3d;
  filter: drop-shadow(0 0 12px rgba(97,247,255,.38));
}
.ring-a { width: 500px; height: 500px; margin: -250px 0 0 -250px; animation: spin 18s linear infinite; }
.ring-b { width: 330px; height: 330px; margin: -165px 0 0 -165px; transform: rotateX(68deg); animation: spin 13s linear infinite reverse; }
@keyframes spin { to { rotate: 360deg; } }
.holo-figure,
.side-mascot {
  position: absolute;
  z-index: 5;
  transform-style: preserve-3d;
  will-change: transform, filter;
  user-select: none;
  pointer-events: auto;
  transition: transform .28s cubic-bezier(.2,.9,.2,1), filter .25s ease, opacity .28s ease;
}
.holo-figure img,
.side-mascot img { width: 100%; height: auto; filter: inherit; }
.holo-figure:hover,
.side-mascot:hover { filter: drop-shadow(0 0 36px rgba(97,247,255,.95)) drop-shadow(0 28px 36px rgba(0,0,0,.48)); }
.side-mascot.is-depth-hover,
.holo-figure.is-depth-hover {
  z-index: 18 !important;
  opacity: 1 !important;
  filter: drop-shadow(0 0 34px rgba(97,247,255,.95)) drop-shadow(0 34px 44px rgba(0,0,0,.54));
}

.hero-cat {
  right: 6%;
  bottom: 18px;
  width: min(310px, 34vw);
  z-index: 3;
  filter: drop-shadow(0 0 22px rgba(97,247,255,.70)) drop-shadow(0 30px 34px rgba(0,0,0,.42));
}
.hero-fox { display: none; }
.holo-floor {
  position: absolute;
  bottom: 20px;
  height: 82px;
  transform: translateX(-50%) rotateX(68deg);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(97,247,255,.30), rgba(97,247,255,.08) 42%, transparent 70%);
  border: 1px solid rgba(97,247,255,.22);
  box-shadow: 0 0 36px rgba(97,247,255,.32);
}
.floor-cat { left: 70%; width: 260px; }

.split { display: grid; grid-template-columns: .92fr 1.08fr; gap: 46px; align-items: center; }
.split.reverse { grid-template-columns: 1fr 1fr; }
.module-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.business-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.partners-layout { position: relative; }
.role-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.partners .role-grid { padding-right: 0; position: relative; z-index: 2; }

.module-card,
.business-card,
.role-card,
.responsibility-panel,
.intern-system,
.contact-panel {
  position: relative;
  border: 1px solid rgba(97, 247, 255, .26);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(97,247,255,.08), transparent 34%),
    rgba(4, 16, 39, .52);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  overflow: hidden;
  transform-style: preserve-3d;
}
.module-card::before,
.business-card::before,
.role-card::before,
.responsibility-panel::before,
.intern-system::before,
.contact-panel::before {
  content: "";
  position: absolute;
  inset: -1px;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(97,247,255,.28), transparent 34%);
  opacity: 0;
  transition: opacity .25s ease;
  pointer-events: none;
}
.module-card:hover::before,
.business-card:hover::before,
.role-card:hover::before,
.responsibility-panel:hover::before,
.intern-system:hover::before,
.contact-panel:hover::before { opacity: 1; }
.module-card { padding: 28px 26px; min-height: 410px; }
.module-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}
.module-no {
  display: inline-grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 18px;
  color: #051427;
  background: linear-gradient(135deg, var(--cyan), #5ba8ff);
  font-weight: 1000;
  box-shadow: 0 0 22px rgba(97,247,255,.45);
}
.module-icon {
  margin: 0;
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 18px;
  color: var(--cyan);
  font-size: 28px;
  border: 1px solid rgba(97,247,255,.34);
  background: rgba(10, 36, 82, .55);
  box-shadow: inset 0 0 22px rgba(97,247,255,.12), 0 0 22px rgba(50,141,255,.16);
}
.module-card h3 { font-size: 26px; }
ul { margin: 18px 0 0; padding-left: 18px; color: #d5e9ff; line-height: 1.9; }
li::marker { color: var(--cyan); }

.business-card { min-height: 200px; padding: 28px; }
.business-card span,
.role-top span {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  color: #061427;
  font-weight: 1000;
  background: linear-gradient(135deg, var(--cyan), #5aa9ff);
  box-shadow: 0 0 18px rgba(97,247,255,.45);
}
.business-card h3 { margin-top: 14px; font-size: 24px; }
.role-card { padding: 26px; min-height: 280px; }
.role-top { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.role-top b { color: var(--cyan); font-size: 15px; }
.role-card h3 { font-size: 23px; }
.role-card small { display: block; margin-top: 18px; color: #96c8ff; line-height: 1.8; }
.side-cat {
  right: -20px;
  top: 96px;
  width: 210px;
  opacity: .50;
  z-index: 1;
  filter: drop-shadow(0 0 22px rgba(97,247,255,.42));
}
.section-head.compact { position: relative; }
.side-fox {
  position: absolute;
  right: -18px;
  bottom: -300px;
  width: 210px;
  opacity: .62;
  z-index: -1;
  filter: drop-shadow(0 0 22px rgba(255,209,108,.44));
}

.intern-system { padding: 28px; display: grid; gap: 16px; }
.intern-system article {
  padding: 18px;
  border: 1px solid rgba(97,247,255,.18);
  border-radius: 18px;
  background: rgba(4, 18, 42, .46);
}
.intern-system b { display: block; color: var(--cyan); margin-bottom: 8px; }
.intern-system span { color: #d7eaff; line-height: 1.75; }
.intern-system .warn { border-color: rgba(255, 211, 108, .45); background: rgba(255, 211, 108, .08); }
.intern-system .warn b { color: var(--gold); }

.roadmap {
  position: relative;
  width: min(940px, 100%);
  margin: 26px auto 0;
  padding: 78px 0 90px;
}
.road-line {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 4px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: linear-gradient(180deg, transparent 0%, rgba(97,247,255,.78) 18%, rgba(50,141,255,.88) 50%, rgba(97,247,255,.70) 82%, transparent 100%);
  box-shadow: 0 0 24px rgba(97,247,255,.55);
  pointer-events: none;
}
.road-line::before,
.road-line::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 26px rgba(97,247,255,.9);
}
.road-line::before { top: 28px; width: 14px; height: 14px; }
.road-line::after { bottom: 28px; width: 10px; height: 10px; opacity: .75; }
.road-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 110px 1fr;
  align-items: center;
  gap: 22px;
  min-height: 190px;
}
.road-item time {
  justify-self: end;
  color: #06172a;
  font-weight: 1000;
  padding: 10px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--cyan), #5faaff);
  box-shadow: 0 0 24px rgba(97,247,255,.55);
}
.road-node {
  position: relative;
  justify-self: center;
  display: grid;
  place-items: center;
  width: 74px;
  height: 74px;
  border-radius: 50%;
  background: rgba(6, 23, 55, .92);
  border: 1px solid rgba(97,247,255,.42);
  box-shadow: 0 0 28px rgba(97,247,255,.35), inset 0 0 28px rgba(97,247,255,.16);
}
.road-node span {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 28px rgba(97,247,255,.9);
}
.road-content { padding: 12px 0; }
.road-content h3 { font-size: 28px; margin-bottom: 10px; }
.road-content p { max-width: 430px; margin-bottom: 0; }

.responsibility-panel { padding: 32px; border-radius: 32px; }
.responsibility-panel h3 { font-size: 26px; }
.value-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 24px; }
.value-row span {
  display: grid;
  place-items: center;
  min-height: 48px;
  border: 1px solid rgba(97,247,255,.26);
  border-radius: 16px;
  color: var(--cyan);
  font-weight: 950;
  background: rgba(4, 18, 42, .45);
}
.contact-panel { text-align: center; padding: 54px 34px; border-radius: 36px; }
.qq-tech {
  display: inline-grid;
  gap: 6px;
  margin-top: 28px;
  padding: 14px 4px 8px;
  color: var(--cyan);
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 1000;
  letter-spacing: .04em;
  text-shadow: 0 0 18px rgba(97,247,255,.72), 0 0 38px rgba(50,141,255,.34);
  border-bottom: 1px solid rgba(97,247,255,.56);
  user-select: all;
  cursor: url("assets/cursor.svg") 5 3, auto;
}
.qq-tech span { display: inline-block; }
.qq-tech em { font-style: normal; font-size: 13px; color: rgba(215,234,255,.72); letter-spacing: .1em; font-weight: 800; user-select: none; }
.qq-tech.copied em { color: var(--gold); }

.bit-particle,
.pixel-dot {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 21;
  pointer-events: none;
  will-change: transform, opacity, filter;
}
.bit-particle {
  color: var(--cyan);
  font: 800 12px Consolas, "Microsoft YaHei", monospace;
  text-shadow: 0 0 12px var(--cyan);
  opacity: .72;
}
.bit-particle.gather { animation: particleGather .92s cubic-bezier(.15, .9, .2, 1) forwards; }
.bit-particle.scatter { animation: particleScatter .82s ease-out forwards; }
@keyframes particleGather {
  0% { opacity: 0; transform: translate(var(--x0), var(--y0)) scale(.6) rotate(var(--r0)); filter: blur(7px); }
  28% { opacity: .95; }
  100% { opacity: 0; transform: translate(var(--x1), var(--y1)) scale(1) rotate(0deg); filter: blur(0); }
}
@keyframes particleScatter {
  0% { opacity: .82; transform: translate(var(--x0), var(--y0)) scale(1) rotate(0deg); filter: blur(0); }
  100% { opacity: 0; transform: translate(var(--x1), var(--y1)) scale(.68) rotate(var(--r1)); filter: blur(7px); }
}
.pixel-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(97,247,255,.95);
  animation: pixelGather .86s cubic-bezier(.15, .9, .2, 1) forwards;
}
.pixel-dot.gold { background: var(--gold); box-shadow: 0 0 10px rgba(255,209,108,.86); }
@keyframes pixelGather {
  0% { opacity: 0; transform: translate(var(--x0), var(--y0)) scale(.4); filter: blur(5px); }
  25% { opacity: .92; }
  100% { opacity: 0; transform: translate(var(--x1), var(--y1)) scale(1.08); filter: blur(0); }
}

@media (max-width: 1120px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-stage { min-height: 500px; }
  .module-grid { grid-template-columns: 1fr; }
  .role-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .partners .role-grid { padding-right: 0; }
  .side-cat { right: 10px; bottom: -120px; width: 150px; opacity: .42; }
  .split, .split.reverse { grid-template-columns: 1fr; }
  .nav { display: none; }
}
@media (max-width: 720px) {
  .section { padding: 104px 0 64px; min-height: auto; }
  .topbar { width: calc(100% - 20px); min-height: 62px; padding: 9px 12px; }
  .brand-mark { width: 44px; height: 44px; }
  h1 { font-size: clamp(42px, 15vw, 78px); }
  h2 { font-size: clamp(34px, 11vw, 54px); }
  .hero-slogan { font-size: clamp(32px, 10vw, 54px); }
  .hero-stage { min-height: 430px; }
  .hero-cat { width: 230px; right: 8%; bottom: 20px; }
  .hero-fox { display: none; }
  .ring-a { width: 340px; height: 340px; margin: -170px 0 0 -170px; }
  .ring-b { width: 230px; height: 230px; margin: -115px 0 0 -115px; }
  .business-grid, .role-grid, .value-row { grid-template-columns: 1fr; }
  .road-item { grid-template-columns: 1fr; gap: 14px; text-align: center; }
  .road-line { left: 22px; }
  .road-item time { justify-self: center; }
  .road-node { display: none; }
  .road-content p { margin: 0 auto; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .motion-item { opacity: 1 !important; transform: none !important; filter: none !important; }
  #particleCanvas, #matrixCanvas, .transition-layer { display: none; }
}

.future h2, .partners h2, .responsibility h2 { white-space: nowrap; }

.hero h1 { font-size: clamp(52px, 5.8vw, 86px); }
.hero .hero-slogan { font-size: clamp(30px, 3.3vw, 48px); }

/* V8 修正：人物不遮挡、右侧人物向右移动、统一鼠标控制立体逻辑 */
.hero-stage {
  min-height: 585px;
}
.hero-cat {
  right: 14%;
  bottom: -34px;
  width: clamp(168px, 13.5vw, 205px);
  z-index: 4;
}
.floor-cat {
  left: 67%;
  width: 220px;
  bottom: -18px;
}
.hero-stage .holo-beam {
  left: 58%;
  top: 15%;
  height: 480px;
}
.hero-stage .ring-a {
  width: 430px;
  height: 430px;
  margin: -215px 0 0 -215px;
}
.hero-stage .ring-b {
  width: 286px;
  height: 286px;
  margin: -143px 0 0 -143px;
}

.partners-layout {
  overflow: visible;
}
.side-cat {
  right: -145px;
  top: 132px;
  width: 178px;
  opacity: .64;
  z-index: 1;
  filter: drop-shadow(0 0 22px rgba(97,247,255,.50)) drop-shadow(0 20px 28px rgba(0,0,0,.36));
}
.side-cat.is-depth-hover {
  z-index: 26 !important;
}

.side-fox {
  right: -172px;
  bottom: -302px;
  width: 190px;
  opacity: .72;
  z-index: 1;
  filter: drop-shadow(0 0 24px rgba(255,209,108,.48)) drop-shadow(0 20px 28px rgba(0,0,0,.32));
}
.side-fox.is-depth-hover {
  z-index: 26 !important;
}

.holo-figure.is-depth-hover,
.side-mascot.is-depth-hover {
  transform-origin: center center;
}

@media (max-width: 1120px) {
  .hero-cat {
    width: 190px;
    right: 12%;
    bottom: -24px;
  }
  .side-cat {
    right: -58px;
    top: 96px;
    width: 138px;
    opacity: .38;
  }
  .side-fox {
    right: -70px;
    bottom: -250px;
    width: 150px;
    opacity: .45;
  }
}
@media (max-width: 720px) {
  .hero-stage {
    min-height: 390px;
  }
  .hero-cat {
    width: 155px;
    right: 10%;
    bottom: -14px;
  }
  .side-cat,
  .side-fox {
    display: none;
  }
}

/* V9 手机端体验优化：保证内容完整可见、导航可用、不卡顿 */
.section { scroll-margin-top: 110px; }

@media (hover: none), (pointer: coarse) {
  body, a, button, [data-tilt], [data-scene-tilt], .qq-tech {
    cursor: auto !important;
  }
  .module-card:hover::before,
  .business-card:hover::before,
  .role-card:hover::before,
  .responsibility-panel:hover::before,
  .intern-system:hover::before,
  .contact-panel:hover::before {
    opacity: 0;
  }
}

@media (max-width: 860px) {
  html, body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }

  #matrixCanvas { opacity: .34; }
  #particleCanvas { opacity: .72; }
  .scanline { opacity: .08; }
  .noise { opacity: .028; }
  .bg-aurora { filter: blur(30px); opacity: .85; }

  .topbar {
    top: 8px;
    width: calc(100% - 18px);
    min-height: auto;
    padding: 8px 10px 10px;
    border-radius: 24px;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .brand {
    width: 100%;
    justify-content: center;
    gap: 10px;
    font-size: 14px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    font-size: 11px;
  }

  .nav {
    display: flex !important;
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    overflow-y: hidden;
    gap: 8px;
    padding: 4px 2px 2px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .nav::-webkit-scrollbar { display: none; }
  .nav a {
    flex: 0 0 auto;
    padding: 8px 11px;
    font-size: 12px;
    line-height: 1;
    opacity: .92;
    background: rgba(5, 22, 52, .38);
    border: 1px solid rgba(97,247,255,.15);
  }

  .section {
    min-height: auto;
    padding: 134px 0 68px;
    align-items: flex-start;
    overflow: hidden;
  }
  .section::before {
    inset: 96px 8px 18px;
    border-radius: 28px;
    opacity: .45;
  }
  .section-inner {
    width: min(100% - 22px, 680px);
  }

  .hero-grid,
  .split,
  .split.reverse {
    display: grid;
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .hero-copy {
    max-width: 100%;
    padding-top: 6px;
  }

  .tagline,
  .eyebrow {
    font-size: 12px;
    letter-spacing: .08em;
    margin-bottom: 14px;
  }
  .subtitle-byte::after {
    bottom: -10px;
    font-size: 9px;
    opacity: .45;
  }

  h1 {
    font-size: clamp(46px, 15.6vw, 66px) !important;
    line-height: .94;
    letter-spacing: -.07em;
    white-space: nowrap;
  }
  h2,
  .future h2,
  .partners h2,
  .responsibility h2 {
    white-space: normal !important;
    font-size: clamp(30px, 9.3vw, 42px);
    line-height: 1.06;
    letter-spacing: -.055em;
  }
  h3 { font-size: 22px; }
  p, li, small { font-size: 14px; line-height: 1.75; }
  .lead { font-size: 15px; line-height: 1.8; margin-top: 12px; }

  .hero-slogan {
    margin-top: 12px;
    white-space: normal;
    font-size: clamp(27px, 8.2vw, 36px) !important;
    line-height: 1.12;
    letter-spacing: -.055em;
  }
  .hero-desc {
    max-width: 100%;
    margin-top: 14px;
    font-size: 14.5px;
    line-height: 1.85;
  }
  .hero-actions {
    gap: 10px;
    margin: 22px 0 18px;
  }
  .btn {
    min-height: 46px;
    padding: 0 17px;
    font-size: 14px;
    flex: 1 1 138px;
  }
  .keyword-strip {
    gap: 8px;
  }
  .keyword-strip span {
    padding: 7px 10px;
    font-size: 12px;
  }

  .hero-stage {
    width: 100%;
    min-height: 360px !important;
    height: 360px;
    margin-top: 4px;
    pointer-events: none;
  }
  .hero-stage::before {
    left: 2%;
    right: 2%;
    top: 3%;
    bottom: 0;
  }
  .hero-stage .holo-beam {
    left: 54%;
    top: 10%;
    width: 150px;
    height: 320px;
    opacity: .45;
  }
  .hero-stage .ring-a,
  .ring-a {
    left: 50%;
    top: 55%;
    width: 330px;
    height: 330px;
    margin: -165px 0 0 -165px;
  }
  .hero-stage .ring-b,
  .ring-b {
    left: 50%;
    top: 55%;
    width: 220px;
    height: 220px;
    margin: -110px 0 0 -110px;
  }
  .hero-cat {
    width: clamp(168px, 53vw, 220px) !important;
    right: 50% !important;
    bottom: -4px !important;
    transform: translateX(50%);
    pointer-events: none;
  }
  .floor-cat {
    left: 50%;
    width: 210px;
    bottom: -12px;
  }

  .module-grid,
  .business-grid,
  .role-grid,
  .value-row {
    grid-template-columns: 1fr !important;
    gap: 16px;
  }
  .section-head,
  .section-head.compact {
    text-align: left;
    margin: 0 0 28px;
  }
  .module-card,
  .business-card,
  .role-card,
  .responsibility-panel,
  .intern-system,
  .contact-panel {
    border-radius: 22px;
    backdrop-filter: blur(10px);
  }
  .module-card {
    min-height: auto;
    padding: 22px 18px;
  }
  .module-top {
    justify-content: flex-start;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
  }
  .module-no,
  .module-icon {
    width: 46px;
    height: 46px;
    border-radius: 15px;
  }
  .module-icon { font-size: 23px; }
  .module-card h3,
  .business-card h3,
  .role-card h3 {
    font-size: 22px;
  }
  ul {
    margin-top: 14px;
    padding-left: 18px;
  }
  .business-card,
  .role-card {
    min-height: auto;
    padding: 22px 18px;
  }
  .role-top {
    margin-bottom: 14px;
  }

  .partners-layout,
  .partners .role-grid {
    overflow: visible;
  }
  .side-cat,
  .side-fox {
    display: none !important;
  }

  .intern-system {
    padding: 18px;
    gap: 12px;
  }
  .intern-system article {
    padding: 15px;
    border-radius: 16px;
  }

  .roadmap {
    width: 100%;
    margin: 10px auto 0;
    padding: 36px 0 42px;
  }
  .road-line {
    left: 18px;
    transform: none;
    width: 3px;
  }
  .road-line::before { top: 18px; width: 12px; height: 12px; }
  .road-line::after { bottom: 18px; width: 9px; height: 9px; }
  .road-item {
    grid-template-columns: 1fr;
    gap: 12px;
    min-height: auto;
    padding-left: 42px;
    text-align: left;
  }
  .road-item time {
    justify-self: start;
    padding: 8px 14px;
    font-size: 13px;
  }
  .road-node { display: none; }
  .road-content h3 {
    font-size: 24px;
    margin-bottom: 8px;
  }
  .road-content p {
    max-width: 100%;
    margin: 0;
  }

  .responsibility-panel {
    padding: 24px 18px;
  }
  .responsibility-panel h3 { font-size: 22px; }
  .value-row span {
    min-height: 44px;
    font-size: 14px;
  }

  .contact-panel {
    padding: 34px 18px;
    text-align: left;
  }
  .qq-tech {
    margin-top: 20px;
    font-size: clamp(25px, 7.4vw, 34px);
    letter-spacing: .02em;
    max-width: 100%;
  }
  .qq-tech em {
    font-size: 12px;
    letter-spacing: .04em;
  }

  .bit-particle {
    font-size: 10px;
  }
  .pixel-dot {
    width: 2px;
    height: 2px;
  }
}

@media (max-width: 430px) {
  .topbar {
    width: calc(100% - 12px);
    border-radius: 20px;
  }
  .brand span:last-child {
    font-size: 13px;
  }
  .nav a {
    font-size: 11.5px;
    padding: 7px 10px;
  }
  .section {
    padding-top: 128px;
  }
  .section-inner {
    width: calc(100% - 18px);
  }
  h1 {
    font-size: clamp(42px, 15vw, 58px) !important;
  }
  .hero-slogan {
    font-size: clamp(25px, 8.6vw, 32px) !important;
  }
  .hero-stage {
    height: 330px;
    min-height: 330px !important;
  }
  .hero-cat {
    width: clamp(154px, 53vw, 198px) !important;
  }
}

/* V10 手机端底部遮挡修正：避开浏览器底部工具栏，角色完整可见 */
@media (max-width: 860px) {
  .hero {
    padding-bottom: calc(132px + env(safe-area-inset-bottom, 0px));
  }

  .hero-grid {
    gap: 14px;
  }

  .hero-copy {
    position: relative;
    z-index: 8;
  }

  .hero-stage {
    height: 460px !important;
    min-height: 460px !important;
    margin-top: 26px;
    overflow: visible;
  }

  .hero-cat {
    width: clamp(142px, 42vw, 176px) !important;
    right: 50% !important;
    bottom: 66px !important;
    transform: translateX(50%) !important;
    z-index: 4;
  }

  .floor-cat {
    left: 50% !important;
    width: 180px !important;
    bottom: 52px !important;
  }

  .hero-stage::before {
    top: 8%;
    bottom: 12%;
  }

  .hero-stage .holo-beam {
    height: 360px;
    top: 5%;
  }

  .hero-stage .ring-a,
  .ring-a {
    top: 48%;
    width: 300px;
    height: 300px;
    margin: -150px 0 0 -150px;
  }

  .hero-stage .ring-b,
  .ring-b {
    top: 48%;
    width: 210px;
    height: 210px;
    margin: -105px 0 0 -105px;
  }

  .section::before {
    inset: 96px 8px 56px;
  }
}

@media (max-width: 430px) {
  .hero {
    padding-bottom: calc(145px + env(safe-area-inset-bottom, 0px));
  }

  .hero-stage {
    height: 445px !important;
    min-height: 445px !important;
    margin-top: 30px;
  }

  .hero-cat {
    width: clamp(136px, 40vw, 162px) !important;
    bottom: 72px !important;
  }

  .floor-cat {
    width: 166px !important;
    bottom: 58px !important;
  }
}