:root {
  --ink: #171922;
  --muted: #667085;
  --soft: #8a94a6;
  --line: rgba(35, 47, 60, 0.13);
  --paper: #fbfaf6;
  --panel: rgba(255, 255, 255, 0.82);
  --mint: #24cdb6;
  --mint-soft: #e9fbf6;
  --violet: #7469ef;
  --blue: #5a90ff;
  --gold: #f5c96d;
  --shadow: 0 24px 70px rgba(34, 46, 70, 0.12);
  --radius: 22px;
  font-family: "MiSans", "HarmonyOS Sans SC", "Alibaba PuHuiTi", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 0%, rgba(42, 210, 185, 0.18), transparent 34%),
    radial-gradient(circle at 88% 8%, rgba(110, 104, 238, 0.16), transparent 32%),
    linear-gradient(180deg, #f6fbf9 0%, #fffaf1 48%, #f8fbff 100%);
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

button {
  font: inherit;
}

#signalCanvas {
  position: fixed;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  opacity: 0.58;
}

.launch-intro {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 50% 48%, rgba(36, 205, 182, 0.2), transparent 30%),
    linear-gradient(135deg, #f9fffc, #eef7ff);
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.launch-mark {
  width: 150px;
  height: 112px;
  padding: 0;
  background: transparent;
  filter: drop-shadow(0 18px 26px rgba(28, 54, 72, 0.16));
}

.launch-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.launch-line {
  position: absolute;
  width: min(46vw, 420px);
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--mint), var(--violet), transparent);
  transform: translateY(72px);
  animation: scan 1.8s ease-in-out infinite;
}

body.intro-done .launch-intro {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

@keyframes scan {
  0%, 100% { opacity: 0.25; transform: translateY(72px) scaleX(0.55); }
  50% { opacity: 0.95; transform: translateY(72px) scaleX(1); }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1200px, calc(100% - 48px));
  margin: 16px auto 0;
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.74);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.68);
  backdrop-filter: blur(18px);
  box-shadow: 0 10px 40px rgba(35, 49, 62, 0.08);
}

.brand img {
  width: 70px;
  height: 52px;
  object-fit: contain;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand span {
  display: grid;
  gap: 1px;
  line-height: 1;
}

.brand b {
  font-size: 22px;
  letter-spacing: 0;
}

.brand em {
  color: var(--muted);
  font-size: 13px;
  font-style: normal;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(30, 54, 70, 0.08);
}

.nav-links a {
  padding: 9px 14px;
  border-radius: 999px;
  color: #3d4758;
  font-size: 14px;
  font-weight: 700;
}

.nav-links a:hover {
  background: var(--mint-soft);
  color: #078c7b;
}

.sound-toggle {
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 16px;
  background:
    radial-gradient(circle at 42% 50%, #1b2030 0 5px, transparent 6px),
    linear-gradient(135deg, #eef2ff, #fff);
  box-shadow: inset 0 0 0 1px rgba(35, 47, 60, 0.12);
  cursor: pointer;
}

.sound-toggle.active {
  background:
    radial-gradient(circle at 42% 50%, #24cdb6 0 5px, transparent 6px),
    linear-gradient(135deg, #dcfff7, #eef2ff);
}

.section-shell {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
}

.hero {
  min-height: 640px;
  display: grid;
  grid-template-columns: minmax(420px, 0.88fr) minmax(480px, 1.12fr);
  align-items: center;
  gap: 34px;
  padding: 58px 0 18px;
}

.eyebrow {
  margin: 0 0 12px;
  color: #009d8a;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 20px;
  font-size: clamp(42px, 4vw, 66px);
  line-height: 1.1;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 620px;
  margin-bottom: 26px;
  color: #405064;
  font-size: 19px;
  line-height: 1.65;
}

.hero-actions,
.download-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 900;
  box-shadow: 0 12px 28px rgba(35, 47, 60, 0.08);
}

.btn-primary {
  color: white;
  background: linear-gradient(135deg, var(--mint), var(--violet));
}

.btn-ghost {
  color: #263040;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(35, 47, 60, 0.13);
}

.brand-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.brand-notes span {
  padding: 9px 13px;
  border-radius: 999px;
  color: #087d70;
  background: rgba(225, 251, 244, 0.78);
  border: 1px solid rgba(36, 205, 182, 0.18);
  font-size: 14px;
  font-weight: 800;
}

.hero-stage {
  position: relative;
  min-height: 470px;
  border-radius: 34px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.86)),
    #f3fbf7;
  box-shadow: var(--shadow);
}

.hero-visual {
  width: 100%;
  height: 470px;
  object-fit: cover;
  object-position: center;
  filter: saturate(1.05) contrast(1.02);
}

.hero-signal {
  display: block;
  object-fit: cover;
  object-position: center;
}

.signal-ribbon {
  position: absolute;
  inset: 18px;
  border-radius: 28px;
  pointer-events: none;
  background:
    linear-gradient(115deg, transparent 16%, rgba(36, 205, 182, 0.18) 34%, transparent 48%),
    linear-gradient(295deg, transparent 20%, rgba(116, 105, 239, 0.14) 44%, transparent 60%);
  mix-blend-mode: multiply;
}

.hero-brand-orb {
  position: absolute;
  left: 50%;
  top: 39%;
  display: grid;
  place-items: center;
  width: min(22vw, 230px);
  height: min(15vw, 150px);
  padding: 0;
  background: transparent;
  transform: translate(-50%, -50%);
  opacity: 0.92;
}

.hero-brand-orb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 18px 26px rgba(28, 54, 72, 0.16));
}

.hero-proof-row {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 22px;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(250px, 0.72fr);
  gap: 12px;
  align-items: stretch;
}

.pulse-card,
.mini-profile {
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 52px rgba(35, 47, 60, 0.12);
}

.pulse-card {
  position: relative;
  min-width: 0;
  padding: 12px 14px;
  border-radius: 20px;
}

.pulse-card strong {
  position: relative;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  color: white;
  background: conic-gradient(from 120deg, var(--mint), var(--violet), var(--gold), var(--mint));
  font-size: 17px;
  line-height: 1.05;
  letter-spacing: -0.35px;
  white-space: nowrap;
}

.pulse-card span {
  position: absolute;
  left: 16px;
  bottom: 8px;
  color: white;
  font-size: 10px;
  line-height: 1;
  font-weight: 900;
}

.pulse-card p {
  margin: 0;
  color: #263040;
  font-size: 14px;
  font-weight: 900;
  line-height: 1.45;
}

.mini-profile {
  min-width: 0;
  padding: 12px 14px;
  border-radius: 20px;
}

.profile-mark {
  display: grid;
  place-items: center;
  width: 70px;
  height: 54px;
  border-radius: 18px;
  background: transparent;
  border: 0;
  overflow: hidden;
}

.profile-mark img {
  width: 66px;
  height: 50px;
  object-fit: contain;
}

.mini-profile strong {
  display: block;
  margin-bottom: 3px;
  font-size: 18px;
}

.mini-profile p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.mini-profile > em {
  margin-left: auto;
  white-space: nowrap;
  padding: 7px 10px;
  border-radius: 999px;
  color: #6c5ff0;
  background: #f0edff;
  font-style: normal;
  font-weight: 900;
}

.feature-rail {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  margin-top: 4px;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow);
}

.rail-item {
  min-height: 92px;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 6px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(247, 251, 248, 0.7));
  border: 1px solid rgba(35, 47, 60, 0.06);
}

.rail-item img,
.matrix-card img,
.daily-card img,
.flow-head img,
.room-head img,
.game-grid img,
.safety-list img {
  width: 56px;
  height: 56px;
  object-fit: contain;
}

.rail-item span {
  font-weight: 900;
}

.rail-item small {
  color: var(--muted);
  font-weight: 700;
}

.section-title {
  max-width: 760px;
}

.section-title h2,
.download h2,
.safety-copy h2 {
  margin-bottom: 16px;
  font-size: clamp(30px, 2.55vw, 42px);
  line-height: 1.2;
  letter-spacing: 0;
}

.story-grid,
.product-matrix,
.split-section,
.voice-section,
.daily-section,
.notice-section,
.safety-section,
.download {
  padding: 68px 0 0;
}

.story-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.85fr) repeat(3, minmax(0, 1fr));
  align-items: stretch;
  gap: 16px;
}

.story-card,
.matrix-card,
.daily-card,
.flow-panel,
.flow-points article,
.room-card,
.game-panel,
.safety-section,
.download {
  border: 1px solid rgba(35, 47, 60, 0.1);
  background: var(--panel);
  box-shadow: 0 16px 44px rgba(35, 47, 60, 0.08);
}

.story-card {
  min-height: 214px;
  padding: 20px;
  border-radius: 22px;
}

.story-card img {
  width: 62px;
  height: 62px;
  object-fit: contain;
  margin-bottom: 20px;
}

.story-card h3,
.matrix-card h3,
.game-panel h3,
.room-head h3 {
  margin-bottom: 9px;
  font-size: 22px;
  line-height: 1.18;
}

.story-card p,
.matrix-card p,
.flow-points span,
.room-head p,
.download p,
.safety-copy p,
.daily-card span {
  color: var(--muted);
  line-height: 1.65;
}

.matrix-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.matrix-card {
  min-height: 148px;
  padding: 18px;
  border-radius: 22px;
}

.matrix-card img {
  width: 58px;
  height: 58px;
  margin-bottom: 12px;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 18px;
}

.flow-panel {
  min-height: 372px;
  padding: 26px;
  border-radius: 28px;
  background:
    linear-gradient(145deg, rgba(18, 35, 42, 0.92), rgba(38, 80, 82, 0.82)),
    var(--panel);
  color: white;
}

.flow-panel .eyebrow,
.flow-panel .section-title h2 {
  color: white;
}

.flow-card {
  margin-top: 22px;
  padding: 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.flow-head,
.room-head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.flow-head span {
  color: rgba(255, 255, 255, 0.68);
}

.flow-media {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 18px;
}

.flow-media span {
  display: grid;
  place-items: center;
  min-height: 58px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.13);
  color: rgba(255, 255, 255, 0.88);
  font-weight: 900;
}

.flow-points {
  display: grid;
  gap: 12px;
}

.flow-points article {
  padding: 20px;
  border-radius: 22px;
}

.flow-points strong {
  display: block;
  margin-bottom: 8px;
  font-size: 22px;
}

.voice-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 26px;
}

.room-card,
.game-panel {
  min-height: 276px;
  padding: 24px;
  border-radius: 28px;
}

.seat-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-top: 26px;
}

.seat-row span {
  display: grid;
  place-items: center;
  min-height: 64px;
  border-radius: 18px;
  color: #0f766e;
  background: linear-gradient(145deg, #e9fbf6, #eef1ff);
  font-weight: 900;
}

.room-tags,
.game-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.room-tags span {
  padding: 8px 12px;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.9);
  background: #22323c;
  font-weight: 900;
}

.game-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.game-grid span {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 66px;
  padding: 12px;
  border-radius: 18px;
  background: linear-gradient(145deg, #f4fffb, #f7f2ff);
  font-weight: 900;
}

.relation-section {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(420px, 1.12fr);
  gap: 18px;
  align-items: stretch;
  padding-top: 68px;
}

.relation-section > .section-title {
  padding: 30px;
  border-radius: 34px;
  color: white;
  background:
    radial-gradient(circle at 88% 22%, rgba(36, 205, 182, 0.22), transparent 34%),
    linear-gradient(145deg, #172631, #28336f 54%, #7469ef);
  box-shadow: var(--shadow);
}

.relation-section > .section-title .eyebrow,
.relation-section > .section-title h2 {
  color: white;
}

.relation-section > .section-title p:not(.eyebrow) {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 17px;
  line-height: 1.75;
}

.relation-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.relation-grid article {
  min-height: 184px;
  padding: 20px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(35, 47, 60, 0.1);
  box-shadow: 0 16px 44px rgba(35, 47, 60, 0.08);
}

.relation-grid img {
  width: 66px;
  height: 66px;
  object-fit: contain;
  margin-bottom: 12px;
}

.relation-grid strong {
  display: block;
  margin-bottom: 8px;
  font-size: 22px;
}

.relation-grid span {
  color: var(--muted);
  line-height: 1.65;
}

.daily-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.daily-card {
  min-height: 132px;
  padding: 18px;
  border-radius: 24px;
}

.notice-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.notice-grid article {
  min-height: 146px;
  padding: 20px;
  border-radius: 24px;
  background:
    radial-gradient(circle at 86% 14%, rgba(36, 205, 182, 0.14), transparent 34%),
    rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(35, 47, 60, 0.1);
  box-shadow: 0 16px 44px rgba(35, 47, 60, 0.08);
}

.notice-grid img {
  width: 62px;
  height: 62px;
  object-fit: contain;
  margin-bottom: 16px;
}

.notice-grid strong {
  display: block;
  margin-bottom: 8px;
  font-size: 22px;
}

.notice-grid span {
  color: var(--muted);
  line-height: 1.65;
}

.daily-card img {
  width: 60px;
  height: 60px;
  margin-bottom: 12px;
}

.daily-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 21px;
}

.safety-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.9fr);
  gap: 24px;
  align-items: center;
  padding: 30px;
  border-radius: 30px;
}

.safety-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.safety-list span {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 74px;
  padding: 12px;
  border-radius: 20px;
  background: #f5fffb;
  border: 1px solid rgba(36, 205, 182, 0.14);
  font-weight: 900;
}

.download {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin-top: 68px;
  margin-bottom: 56px;
  padding: 30px;
  border-radius: 30px;
  background:
    radial-gradient(circle at 80% 12%, rgba(116, 105, 239, 0.18), transparent 34%),
    rgba(255, 255, 255, 0.8);
}

.download h2 {
  margin-bottom: 10px;
}

.site-footer {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  padding: 28px 0 44px;
  border-top: 1px solid rgba(35, 47, 60, 0.12);
  color: #4d596b;
}

.footer-main {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 22px;
}

.site-footer strong {
  color: var(--ink);
  font-size: 18px;
}

.site-footer p {
  margin: 6px 0 0;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px;
  font-weight: 800;
}

.record-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 22px;
  color: #687489;
  font-size: 13px;
}

.record-link + .record-link {
  margin-left: 18px;
}

.record-link img {
  width: 18px;
  height: 20px;
  object-fit: contain;
}

.footer-record {
  width: 100%;
  text-align: center;
}

.download-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px;
}

.download-card {
  width: min(720px, 100%);
  padding: 38px;
  border-radius: 30px;
  background:
    radial-gradient(circle at 78% 16%, rgba(36, 205, 182, 0.16), transparent 34%),
    rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(35, 47, 60, 0.1);
  box-shadow: var(--shadow);
}

.download-card > img {
  width: 210px;
  margin-bottom: 26px;
}

.download-card > img.download-mascot {
  width: min(360px, 100%);
  margin-bottom: 18px;
}

.download-card h1 {
  margin-bottom: 16px;
  font-size: clamp(38px, 5vw, 66px);
  line-height: 1.05;
}

.download-card p {
  max-width: 560px;
  margin-bottom: 26px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .site-header {
    width: calc(100% - 24px);
  }

  .nav-links {
    display: none;
  }

  .section-shell {
    width: calc(100% - 28px);
  }

  .hero,
  .story-grid,
  .split-section,
  .voice-layout,
  .relation-section,
  .safety-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 42px;
  }

  .hero-stage,
  .hero-visual {
    min-height: 390px;
    height: 390px;
  }

  .hero-brand-orb {
    width: 190px;
    height: 130px;
  }

  .hero-proof-row {
    grid-template-columns: minmax(0, 1fr) minmax(210px, 0.78fr);
    gap: 10px;
    bottom: 18px;
  }

  .feature-rail,
  .matrix-grid,
  .daily-grid,
  .relation-grid,
  .notice-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section-title h2,
  .download h2,
  .safety-copy h2 {
    font-size: 32px;
  }

  .download,
  .footer-main {
    flex-direction: column;
  }

  .site-footer nav {
    justify-content: flex-start;
  }
}

@media (max-width: 620px) {
  .brand img {
    width: 50px;
    height: 40px;
  }

  h1 {
    font-size: 38px;
    line-height: 1.12;
  }

  .hero-lead {
    font-size: 17px;
  }

  .hero-stage,
  .hero-visual {
    min-height: 360px;
    height: 360px;
  }

  .hero-brand-orb {
    top: 40%;
    width: 150px;
    height: 110px;
  }

  .hero-proof-row {
    left: 12px;
    right: 12px;
    bottom: 12px;
    grid-template-columns: 1fr;
  }

  .pulse-card {
    display: none;
  }

  .mini-profile {
    padding: 12px;
  }

  .feature-rail,
  .matrix-grid,
  .daily-grid,
  .relation-grid,
  .notice-grid,
  .game-grid,
  .safety-list {
    grid-template-columns: 1fr;
  }

  .rail-item {
    min-height: 82px;
    grid-template-columns: 58px 1fr;
    justify-items: start;
    align-content: center;
    padding: 14px;
  }

  .rail-item small {
    grid-column: 2;
  }

  .seat-row {
    grid-template-columns: repeat(2, 1fr);
  }
}