:root {
  --bg: #120812;
  --bg-deep: #1a0a18;
  --surface: rgba(30, 12, 30, 0.64);
  --surface-strong: rgba(37, 15, 37, 0.88);
  --text: #fff7fb;
  --muted: #d8bccf;
  --line: rgba(255, 220, 241, 0.16);
  --accent: #ff71b7;
  --accent-soft: #ffd3ea;
  --accent-deep: #ff479e;
  --gold: #f4cc90;
  --shadow: 0 28px 90px rgba(20, 4, 18, 0.48);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 14% 16%, rgba(255, 122, 186, 0.28), transparent 24rem),
    radial-gradient(circle at 85% 8%, rgba(255, 225, 178, 0.16), transparent 16rem),
    radial-gradient(circle at 50% 84%, rgba(255, 107, 175, 0.14), transparent 28rem),
    linear-gradient(150deg, #120812 0%, #1b0a18 40%, #09060d 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at center, black 52%, transparent 100%);
  opacity: 0.5;
}

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

.ambient {
  position: fixed;
  width: 34rem;
  height: 34rem;
  border-radius: 50%;
  filter: blur(24px);
  pointer-events: none;
  opacity: 0.44;
}

.ambient-left {
  top: -12rem;
  left: -10rem;
  background: radial-gradient(circle, rgba(255, 100, 170, 0.55), transparent 68%);
}

.ambient-right {
  right: -9rem;
  top: 6rem;
  background: radial-gradient(circle, rgba(255, 214, 160, 0.34), transparent 68%);
}

.page-shell {
  position: relative;
  z-index: 1;
  width: min(1240px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 72px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(34, 12, 30, 0.58);
  backdrop-filter: blur(22px);
  box-shadow: var(--shadow);
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-lockup h1,
.brand-caption,
.hero h2,
.section-heading h3,
.feature-grid h4,
.download-card strong {
  margin: 0;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 68px;
  height: 68px;
  border-radius: 24px;
  background:
    radial-gradient(circle at 30% 25%, rgba(255, 255, 255, 0.34), transparent 26%),
    linear-gradient(145deg, #ffb4d7 0%, #ff5fa8 52%, #bc2b72 100%);
  color: white;
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.35),
    0 18px 36px rgba(255, 87, 161, 0.35);
}

.brand-caption,
.eyebrow,
.chip-tag,
.story-card span,
.scene-card span,
.download-card span {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

.site-nav a {
  position: relative;
  color: var(--muted);
  transition: color 180ms ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: linear-gradient(90deg, transparent, var(--accent-soft), transparent);
  transition: transform 180ms ease;
}

.site-nav a:hover {
  color: #fff4fa;
}

.site-nav a:hover::after {
  transform: scaleX(1);
}

.hero,
.section {
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 32px;
  margin-top: 26px;
  padding: 54px 52px;
  border-radius: 40px;
  background:
    radial-gradient(circle at 72% 18%, rgba(255, 183, 215, 0.18), transparent 18rem),
    radial-gradient(circle at 18% 90%, rgba(248, 200, 144, 0.12), transparent 18rem),
    linear-gradient(140deg, rgba(42, 12, 34, 0.96), rgba(16, 8, 18, 0.94));
}

.hero::before {
  content: "";
  position: absolute;
  inset: -30% auto auto -10%;
  width: 24rem;
  height: 24rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 127, 189, 0.18), transparent 68%);
  animation: drift 7s ease-in-out infinite alternate;
}

.hero-copy,
.hero-visual,
.section,
.site-header {
  position: relative;
  z-index: 1;
}

.hero h2,
.section-heading h3 {
  font-family: "Cormorant Garamond", "STSong", serif;
}

.hero h2 {
  margin-top: 16px;
  max-width: 8.4em;
  font-size: clamp(2.6rem, 4.15vw, 4.9rem);
  line-height: 1.02;
  letter-spacing: -0.025em;
}

.hero-text,
.scene-copy p,
.scene-list,
.feature-grid p,
.commerce-panel p,
.download-copy p,
.download-card p {
  color: var(--muted);
  line-height: 1.82;
}

.hero-text {
  max-width: 39rem;
  margin: 24px 0 0;
  font-size: 1rem;
}

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

.hero-actions {
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 148px;
  padding: 14px 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.button:hover,
.download-chip:hover,
.feature-grid article:hover,
.scene-card:hover,
.commerce-panel:hover,
.download-card:hover {
  transform: translateY(-2px);
}

.button.primary {
  color: #2c0e25;
  background: linear-gradient(135deg, #ffe4f1, #ff87bd 50%, #ffc37d 100%);
  box-shadow: 0 20px 36px rgba(255, 112, 180, 0.28);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 220, 241, 0.18);
}

.download-ribbon {
  margin-top: 26px;
}

.download-chip {
  min-width: 166px;
  padding: 16px 18px;
  border-radius: 24px;
  border: 1px solid rgba(255, 219, 241, 0.18);
  background: rgba(255, 255, 255, 0.045);
  backdrop-filter: blur(16px);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.download-chip strong {
  display: block;
  margin-top: 8px;
  font-size: 1.02rem;
}

.download-chip:hover,
.feature-grid article:hover,
.scene-card:hover,
.commerce-panel:hover,
.download-card:hover {
  border-color: rgba(255, 208, 233, 0.34);
  box-shadow: 0 16px 34px rgba(20, 4, 18, 0.3);
}

.hero-visual {
  display: grid;
  gap: 20px;
  align-content: start;
}

.hero-orbit {
  position: relative;
  min-height: 420px;
  border-radius: 36px;
  background:
    radial-gradient(circle at center, rgba(255, 111, 182, 0.12), transparent 45%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 222, 240, 0.14);
  overflow: hidden;
}

.orbit-ring {
  position: absolute;
  inset: 50%;
  border: 1px solid rgba(255, 221, 241, 0.16);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit-one {
  width: 18rem;
  height: 18rem;
  animation: rotateSlow 22s linear infinite;
}

.orbit-two {
  width: 26rem;
  height: 26rem;
  opacity: 0.55;
  animation: rotateSlow 32s linear infinite reverse;
}

.pulse-core {
  position: absolute;
  inset: 50% auto auto 50%;
  width: min(74%, 19rem);
  transform: translate(-50%, -50%);
  padding: 30px;
  border-radius: 30px;
  text-align: center;
  background:
    radial-gradient(circle at top, rgba(255, 235, 244, 0.16), transparent 55%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(40, 12, 33, 0.86));
  border: 1px solid rgba(255, 228, 242, 0.18);
  box-shadow: 0 18px 60px rgba(16, 3, 14, 0.42);
  animation: pulseCard 3.8s ease-in-out infinite;
}

.pulse-core span {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--gold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.pulse-core strong {
  display: block;
  font-size: 2rem;
  font-family: "Cormorant Garamond", serif;
}

.pulse-core p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.floating-note {
  position: absolute;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 225, 242, 0.18);
  color: #fff0f7;
  font-size: 0.88rem;
  backdrop-filter: blur(12px);
  box-shadow: 0 12px 26px rgba(18, 4, 16, 0.22);
}

.note-a {
  top: 18%;
  left: 10%;
  animation: bob 5s ease-in-out infinite;
}

.note-b {
  top: 20%;
  right: 9%;
  animation: bob 6s ease-in-out infinite 0.5s;
}

.note-c {
  bottom: 14%;
  left: 50%;
  transform: translateX(-50%);
  animation: bob 5.5s ease-in-out infinite 0.8s;
}

.story-rail {
  overflow: hidden;
  border-radius: 30px;
  border: 1px solid rgba(255, 226, 241, 0.14);
  background: rgba(255, 255, 255, 0.03);
}

.story-track {
  display: flex;
  width: max-content;
  gap: 16px;
  padding: 18px;
  animation: storyMove 26s linear infinite;
}

.story-rail:hover .story-track {
  animation-play-state: paused;
}

.story-card {
  width: 220px;
  min-height: 180px;
  padding: 22px;
  border-radius: 26px;
  background:
    radial-gradient(circle at top right, rgba(255, 200, 227, 0.14), transparent 42%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.025));
  border: 1px solid rgba(255, 221, 240, 0.15);
}

.story-card strong,
.scene-card strong,
.commerce-panel strong,
.download-card strong {
  display: block;
  margin-top: 10px;
  font-size: 1.2rem;
}

.story-card p,
.scene-card p,
.commerce-panel p,
.download-card p {
  margin: 12px 0 0;
}

.section {
  margin-top: 28px;
  padding: 36px;
  border-radius: 34px;
  background: var(--surface);
  backdrop-filter: blur(22px);
}

.section-heading h3 {
  margin-top: 10px;
  max-width: 18ch;
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1.04;
}

.feature-grid,
.download-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 24px;
}

.feature-grid article,
.download-card {
  padding: 24px;
  border-radius: 28px;
  border: 1px solid rgba(255, 223, 240, 0.14);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.025));
}

.feature-grid span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  color: #281220;
  background: linear-gradient(140deg, #ffe6f3, #ff92c5);
  font-weight: 700;
}

.feature-grid h4 {
  margin-top: 18px;
  font-size: 1.2rem;
}

.scene-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 22px;
}

.scene-copy {
  padding-right: 4%;
}

.scene-list {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.scene-list li {
  position: relative;
  padding-left: 22px;
}

.scene-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.76em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(140deg, #ffd2e8, #ff6fb4);
  box-shadow: 0 0 18px rgba(255, 118, 186, 0.4);
}

.scene-stack,
.commerce-strip {
  display: grid;
  gap: 16px;
}

.scene-card,
.commerce-panel {
  padding: 24px;
  border-radius: 28px;
  border: 1px solid rgba(255, 220, 240, 0.14);
  background: rgba(255, 255, 255, 0.04);
}

.commerce-strip {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 24px;
}

.download-section {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 24px;
  align-items: start;
}

.download-grid {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 0;
}

.download-card {
  min-height: 220px;
}

.site-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 26px;
  padding: 18px 24px 22px;
  border-radius: 24px;
  border: 1px solid rgba(255, 223, 240, 0.12);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  text-align: center;
}

.site-footer p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
}

.site-footer a {
  color: #fff4fa;
  border-bottom: 1px solid rgba(255, 223, 240, 0.32);
  font-size: 0.98rem;
}

.site-footer .record-link {
  margin-left: 0.4rem;
}

.policy-body {
  background:
    radial-gradient(circle at 18% 10%, rgba(255, 118, 188, 0.18), transparent 20rem),
    linear-gradient(160deg, #140913 0%, #0d0910 100%);
}

.policy-shell {
  width: min(900px, calc(100% - 56px));
  margin: 0 auto;
  padding: 40px 0 72px;
}

.policy-hero,
.policy-article {
  border: 1px solid rgba(255, 223, 240, 0.12);
  background: rgba(32, 12, 30, 0.66);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
}

.policy-hero {
  padding: 30px;
  border-radius: 30px;
}

.policy-hero h1 {
  margin: 0;
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(2.6rem, 4vw, 4.4rem);
  line-height: 0.95;
}

.policy-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.policy-meta span {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 223, 240, 0.12);
  color: var(--muted);
  font-size: 0.94rem;
}

.policy-article {
  margin-top: 20px;
  padding: 18px 0;
  border-radius: 30px;
}

.policy-article section {
  padding: 34px 38px;
  border-top: 1px solid rgba(255, 223, 240, 0.08);
}

.policy-article section:first-child {
  border-top: 0;
}

.policy-article h2,
.policy-article h3,
.policy-article h4,
.policy-article p,
.policy-article ul {
  margin: 0;
}

.policy-article h2 {
  font-family: "Cormorant Garamond", serif;
  font-size: 2rem;
  margin-bottom: 14px;
}

.policy-article h3 {
  margin-top: 22px;
  margin-bottom: 10px;
  font-size: 1.16rem;
  color: #fff3f9;
}

.policy-article h4 {
  margin-top: 18px;
  margin-bottom: 10px;
  font-size: 1.02rem;
  color: #ffe2f0;
}

.policy-article p,
.policy-article li {
  color: var(--muted);
  line-height: 1.9;
}

.policy-article p + p,
.policy-article p + ul,
.policy-article ul + p,
.policy-article ul + ul,
.policy-article .policy-table + h3 {
  margin-top: 12px;
}

.policy-article ul {
  padding-left: 1.25rem;
}

.policy-table {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 14px;
}

.policy-table div {
  padding: 18px;
  border-radius: 20px;
  border: 1px solid rgba(255, 223, 240, 0.1);
  background: rgba(255, 255, 255, 0.035);
}

.policy-table strong {
  display: block;
  margin-bottom: 8px;
  color: #fff4fa;
}

.policy-signoff {
  margin-top: 18px !important;
  color: #fff4fa !important;
}

@media (max-width: 1080px) {
  .hero,
  .scene-layout,
  .download-section,
  .feature-grid,
  .download-grid,
  .commerce-strip {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 38px 28px;
  }

  .scene-copy {
    padding-right: 0;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100% - 20px, 1240px);
    padding-top: 14px;
  }

  .site-header,
  .section {
    padding: 22px 18px;
  }

  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    gap: 14px;
    font-size: 0.94rem;
  }

  .hero h2 {
    font-size: 2.3rem;
  }

  .hero-orbit {
    min-height: 360px;
  }

  .story-card {
    width: 200px;
  }

  .download-chip {
    width: 100%;
  }

  .site-footer {
    align-items: center;
  }

  .policy-hero,
  .policy-article section {
    padding: 22px 18px;
  }

  .policy-table {
    grid-template-columns: 1fr;
  }

  .policy-shell {
    width: min(100% - 24px, 900px);
    padding-top: 20px;
  }
}

@keyframes storyMove {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(calc(-50% - 8px));
  }
}

@keyframes pulseCard {
  0%,
  100% {
    transform: translate(-50%, -50%) scale(1);
    box-shadow: 0 18px 60px rgba(16, 3, 14, 0.42);
  }
  50% {
    transform: translate(-50%, -50%) scale(1.03);
    box-shadow: 0 26px 80px rgba(255, 115, 184, 0.22);
  }
}

@keyframes bob {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@keyframes rotateSlow {
  from {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(18px, 18px, 0);
  }
}