:root {
  --ink: #f3f7f5;
  --ink-muted: #aebbb6;
  --ink-soft: #788982;
  --bg: #0c1714;
  --bg-deep: #08110f;
  --surface: #13231e;
  --surface-raised: #183029;
  --surface-soft: #101d19;
  --line: rgba(220, 240, 233, 0.12);
  --line-strong: rgba(220, 240, 233, 0.22);
  --mint: #4af0c2;
  --mint-deep: #1a9e7b;
  --coral: #ff8769;
  --gold: #f3c969;
  --blue: #76b7ff;
  --violet: #b69bff;
  --white: #ffffff;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.38);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shell: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 7% 8%, rgba(74, 240, 194, 0.09), transparent 28rem),
    radial-gradient(circle at 96% 18%, rgba(255, 135, 105, 0.08), transparent 26rem),
    var(--bg);
  font-family:
    "Microsoft YaHei UI", "PingFang SC", "Noto Sans CJK SC", "Source Han Sans SC",
    "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: 0.26;
  background-image: linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(to bottom, black, transparent 76%);
}

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

button,
input,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

img,
svg {
  display: block;
}

.shell {
  width: min(calc(100% - 40px), var(--shell));
  margin: 0 auto;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 10px 14px;
  color: var(--bg);
  background: var(--mint);
  border-radius: var(--radius-sm);
  transform: translateY(-150%);
  transition: transform 180ms ease;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid transparent;
  background: rgba(12, 23, 20, 0.82);
  backdrop-filter: blur(18px);
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(9, 18, 16, 0.94);
}

.header-inner {
  display: flex;
  align-items: center;
  min-height: 72px;
  gap: 28px;
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
}

.brand img {
  border-radius: 11px;
}

.brand span,
.footer-brand span {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand strong {
  font-size: 17px;
  letter-spacing: 0.04em;
}

.brand small {
  margin-top: 4px;
  color: var(--ink-soft);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}

.main-nav a {
  color: var(--ink-muted);
  font-size: 14px;
  transition: color 160ms ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--ink);
}

.header-download {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 17px;
  gap: 8px;
  color: #07130f;
  background: var(--mint);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 800;
  transition: transform 160ms ease, background 160ms ease;
}

.header-download:hover {
  background: #70f5d1;
  transform: translateY(-1px);
}

.header-download svg {
  width: 17px;
  height: 17px;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 86px 0 96px;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(520px, 1.12fr);
  align-items: center;
  gap: 68px;
}

.hero-glow {
  position: absolute;
  width: 460px;
  height: 460px;
  pointer-events: none;
  border-radius: 50%;
  filter: blur(120px);
}

.hero-glow-left {
  top: -180px;
  left: -240px;
  background: rgba(74, 240, 194, 0.12);
}

.hero-glow-right {
  right: -240px;
  bottom: -220px;
  background: rgba(255, 135, 105, 0.1);
}

.release-pill {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 11px;
  gap: 9px;
  color: #c9d8d2;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(19, 35, 30, 0.72);
  font-size: 12px;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 5px rgba(74, 240, 194, 0.1);
}

.release-date {
  padding-left: 9px;
  color: var(--ink-soft);
  border-left: 1px solid var(--line);
}

.hero h1 {
  margin: 24px 0 12px;
  font-size: clamp(64px, 8vw, 108px);
  line-height: 0.96;
  letter-spacing: -0.055em;
}

.hero-lead {
  max-width: 560px;
  margin: 0;
  color: #d8e5e0;
  font-size: clamp(20px, 2.4vw, 29px);
  font-weight: 700;
  line-height: 1.48;
}

.hero-body {
  max-width: 585px;
  margin: 18px 0 0;
  color: var(--ink-muted);
  font-size: 15px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  margin-top: 30px;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 19px;
  gap: 9px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 14px;
  font-weight: 800;
  line-height: 1;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background 160ms ease,
    color 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button svg {
  width: 17px;
  height: 17px;
}

.button-primary {
  color: #06120e;
  background: var(--mint);
  box-shadow: 0 12px 30px rgba(74, 240, 194, 0.16);
}

.button-primary:hover {
  background: #71f6d3;
}

.button-secondary {
  color: var(--ink);
  border-color: var(--line-strong);
  background: rgba(19, 35, 30, 0.64);
}

.button-secondary:hover {
  border-color: rgba(220, 240, 233, 0.35);
  background: rgba(24, 48, 41, 0.84);
}

.button-quiet {
  color: #d3e0db;
  border-color: var(--line);
  background: transparent;
}

.button-quiet:hover {
  color: var(--ink);
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.025);
}

.platform-row {
  display: flex;
  flex-wrap: wrap;
  margin-top: 28px;
  gap: 17px 22px;
}

.platform-row span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--ink-soft);
  font-size: 12px;
}

.platform-row svg {
  width: 15px;
  height: 15px;
  color: var(--mint);
}

.product-visual {
  position: relative;
  min-width: 0;
  perspective: 1400px;
}

.visual-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 460px;
  height: 460px;
  border: 1px solid rgba(74, 240, 194, 0.15);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow:
    0 0 0 62px rgba(74, 240, 194, 0.023),
    0 0 0 124px rgba(74, 240, 194, 0.012);
}

.app-window {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(218, 240, 233, 0.16);
  border-radius: 20px;
  background: #0d1a16;
  box-shadow: var(--shadow);
  transform: rotateY(-4deg) rotateX(1.5deg);
}

.window-bar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 46px;
  padding: 0 15px;
  border-bottom: 1px solid var(--line);
  background: #101e1a;
}

.traffic-lights {
  display: flex;
  gap: 7px;
}

.traffic-lights span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #34433e;
}

.traffic-lights span:first-child {
  background: #ff765e;
}

.traffic-lights span:nth-child(2) {
  background: #e8bc55;
}

.traffic-lights span:nth-child(3) {
  background: #4bc788;
}

.window-title {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #b8c6c1;
  font-size: 11px;
  font-weight: 700;
}

.window-title img {
  border-radius: 5px;
}

.window-actions {
  display: flex;
  justify-content: flex-end;
  gap: 13px;
  color: #64736e;
}

.window-actions svg {
  width: 12px;
  height: 12px;
}

.app-layout {
  display: grid;
  grid-template-columns: 154px minmax(0, 1fr);
  min-height: 548px;
}

.app-sidebar {
  padding: 18px 12px;
  border-right: 1px solid var(--line);
  background: #0b1713;
}

.mini-brand {
  display: flex;
  align-items: center;
  margin: 0 6px 20px;
  gap: 8px;
}

.mini-brand img {
  border-radius: 8px;
}

.mini-brand span {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.mini-brand strong {
  font-size: 12px;
}

.mini-brand small {
  margin-top: 4px;
  color: #61726b;
  font-size: 6px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.mini-label {
  margin: 16px 10px 7px;
  color: #627169;
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.mini-nav {
  display: flex;
  align-items: center;
  min-height: 35px;
  padding: 0 10px;
  gap: 9px;
  color: #93a49e;
  border-radius: 6px;
  font-size: 10px;
}

.mini-nav svg {
  width: 13px;
  height: 13px;
}

.mini-nav span {
  margin-left: auto;
  color: #60716a;
  font-size: 8px;
}

.mini-nav.active {
  color: #06130f;
  background: var(--mint);
  font-weight: 800;
}

.mini-nav.active span {
  color: #06130f;
}

.app-content {
  display: flex;
  min-width: 0;
  padding: 16px 17px 14px;
  flex-direction: column;
  background:
    radial-gradient(circle at 100% 0, rgba(255, 135, 105, 0.07), transparent 16rem),
    #0d1a16;
}

.app-search {
  display: flex;
  align-items: center;
  min-height: 34px;
  padding: 0 11px;
  gap: 8px;
  color: #60716a;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.025);
  font-size: 9px;
}

.app-search svg {
  width: 12px;
  height: 12px;
}

.app-search kbd {
  margin-left: auto;
  padding: 2px 5px;
  color: #6e7f78;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-family: inherit;
  font-size: 7px;
}

.featured {
  position: relative;
  display: flex;
  overflow: hidden;
  align-items: center;
  min-height: 142px;
  margin-top: 14px;
  padding: 22px 130px 22px 22px;
  border-radius: 13px;
  background:
    linear-gradient(120deg, rgba(74, 240, 194, 0.93), rgba(47, 156, 126, 0.92)),
    var(--mint);
}

.featured::after {
  position: absolute;
  right: -30px;
  bottom: -80px;
  width: 210px;
  height: 210px;
  content: "";
  border: 1px solid rgba(5, 31, 24, 0.16);
  border-radius: 50%;
}

.featured-copy {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
}

.mini-kicker {
  color: rgba(4, 35, 26, 0.65);
  font-size: 7px;
  font-weight: 900;
  letter-spacing: 0.15em;
}

.featured-copy strong {
  margin-top: 5px;
  color: #061812;
  font-size: 19px;
  line-height: 1.25;
}

.featured-copy p {
  margin: 3px 0 10px;
  color: rgba(5, 35, 27, 0.68);
  font-size: 9px;
}

.featured-copy button {
  display: inline-flex;
  align-items: center;
  width: max-content;
  min-height: 27px;
  padding: 0 10px;
  gap: 5px;
  color: #f1fff9;
  border: 0;
  border-radius: 6px;
  background: #0c2a21;
  font-size: 8px;
  font-weight: 800;
}

.featured-copy button svg {
  width: 10px;
  height: 10px;
}

.vinyl {
  position: absolute;
  top: 50%;
  right: 24px;
  width: 106px;
  height: 106px;
  border: 10px solid #102d24;
  border-radius: 50%;
  background: #173d31;
  box-shadow: 0 18px 35px rgba(4, 33, 25, 0.23);
  transform: translateY(-50%);
}

.vinyl-groove {
  position: absolute;
  inset: 13px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  box-shadow: inset 0 0 0 10px rgba(255, 255, 255, 0.025);
}

.vinyl img {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 48px;
  height: 48px;
  border: 5px solid #d7f7ec;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.section-line {
  display: flex;
  align-items: center;
  margin: 16px 0 10px;
}

.section-line strong {
  font-size: 11px;
}

.section-line span {
  margin-left: auto;
  color: #71827b;
  font-size: 8px;
}

.album-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.album-card {
  min-width: 0;
}

.album-cover {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
  margin-bottom: 7px;
  border-radius: 8px;
}

.album-cover svg {
  width: 25px;
  height: 25px;
  color: rgba(6, 24, 18, 0.75);
}

.cover-mint {
  background: linear-gradient(145deg, #78f7d4, #28a681);
}

.cover-coral {
  background: linear-gradient(145deg, #ffa48f, #df6549);
}

.cover-sand {
  background: linear-gradient(145deg, #f6d894, #c29a47);
}

.album-card strong,
.album-card small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.album-card strong {
  color: #dce8e4;
  font-size: 8px;
}

.album-card small {
  color: #65766f;
  font-size: 7px;
}

.player-bar {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto auto;
  align-items: center;
  min-height: 54px;
  margin-top: auto;
  padding: 0 11px;
  gap: 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(20, 38, 32, 0.94);
}

.track-cover {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  color: #092119;
  border-radius: 6px;
  background: var(--mint);
}

.track-cover svg {
  width: 15px;
  height: 15px;
}

.track-info {
  display: flex;
  min-width: 0;
  flex-direction: column;
  line-height: 1.2;
}

.track-info strong,
.track-info small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.track-info strong {
  color: #cddad5;
  font-size: 8px;
}

.track-info small {
  margin-top: 3px;
  color: #64756e;
  font-size: 7px;
}

.player-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.player-controls svg {
  width: 13px;
  height: 13px;
  color: #84948e;
}

.player-controls button {
  display: grid;
  width: 28px;
  height: 28px;
  padding: 0;
  color: #071610;
  border: 0;
  border-radius: 50%;
  background: var(--mint);
  place-items: center;
}

.player-controls button svg {
  width: 12px;
  height: 12px;
  color: #071610;
}

.equalizer {
  display: flex;
  align-items: flex-end;
  height: 18px;
  gap: 2px;
}

.equalizer span {
  display: block;
  width: 3px;
  height: 30%;
  border-radius: 2px;
  background: var(--coral);
  animation: equalize 900ms ease-in-out infinite alternate;
}

.equalizer span:nth-child(2) {
  height: 70%;
  animation-delay: -420ms;
}

.equalizer span:nth-child(3) {
  height: 45%;
  animation-delay: -190ms;
}

.equalizer span:nth-child(4) {
  height: 90%;
  animation-delay: -620ms;
}

@keyframes equalize {
  to {
    height: 95%;
  }
}

.version-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(11, 24, 20, 0.66);
}

.version-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.version-item {
  display: flex;
  align-items: center;
  min-height: 100px;
  padding: 0 28px;
  gap: 13px;
  border-right: 1px solid var(--line);
}

.version-item:first-child {
  border-left: 1px solid var(--line);
}

.version-item svg {
  width: 21px;
  height: 21px;
  color: var(--mint);
}

.version-item span {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.version-item small {
  color: var(--ink-soft);
  font-size: 10px;
}

.version-item strong {
  margin-top: 4px;
  font-size: 14px;
}

.section {
  padding: 104px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 460px);
  align-items: end;
  margin-bottom: 42px;
  gap: 40px;
}

.section-kicker {
  color: var(--mint);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.2em;
}

.section-heading h2,
.release-copy h2 {
  margin: 9px 0 0;
  font-size: clamp(30px, 4vw, 47px);
  line-height: 1.2;
  letter-spacing: -0.035em;
}

.section-heading > p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 14px;
  line-height: 1.85;
}

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

.feature-card {
  min-height: 230px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.025), transparent 52%),
    var(--surface-soft);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.feature-card:hover {
  border-color: rgba(220, 240, 233, 0.24);
  background:
    linear-gradient(145deg, rgba(74, 240, 194, 0.045), transparent 58%),
    var(--surface);
  transform: translateY(-3px);
}

.feature-icon {
  display: grid;
  width: 44px;
  height: 44px;
  margin-bottom: 24px;
  border-radius: 11px;
  place-items: center;
}

.feature-icon svg {
  width: 21px;
  height: 21px;
}

.feature-icon.mint {
  color: #071710;
  background: var(--mint);
}

.feature-icon.coral {
  color: #2d110b;
  background: var(--coral);
}

.feature-icon.gold {
  color: #2a1d04;
  background: var(--gold);
}

.feature-icon.blue {
  color: #07172a;
  background: var(--blue);
}

.feature-icon.violet {
  color: #160d2c;
  background: var(--violet);
}

.feature-icon.green {
  color: #071b11;
  background: #96dc7e;
}

.feature-card h3 {
  margin: 0;
  font-size: 18px;
}

.feature-card p {
  margin: 10px 0 0;
  color: var(--ink-muted);
  font-size: 13px;
  line-height: 1.85;
}

.download-section {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 100% 0, rgba(255, 135, 105, 0.08), transparent 28rem),
    radial-gradient(circle at 0 100%, rgba(74, 240, 194, 0.07), transparent 28rem),
    #0a1512;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.download-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-soft);
}

.download-card-top {
  display: flex;
  align-items: center;
  min-height: 72px;
  padding: 0 26px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.018);
}

.platform-icon {
  display: grid;
  width: 38px;
  height: 38px;
  color: #07160f;
  border-radius: 10px;
  background: var(--mint);
  place-items: center;
}

.android-card .platform-icon {
  color: #2b120c;
  background: var(--coral);
}

.platform-icon svg {
  width: 19px;
  height: 19px;
}

.version-badge {
  margin-left: auto;
  padding: 5px 9px;
  color: #b9c9c3;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 10px;
  font-weight: 800;
}

.download-card-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 150px;
  align-items: center;
  padding: 28px 26px 24px;
  gap: 22px;
}

.download-label {
  color: var(--mint);
  font-size: 11px;
  font-weight: 900;
}

.android-card .download-label {
  color: var(--coral);
}

.download-copy h3 {
  margin: 7px 0 0;
  font-size: 25px;
  letter-spacing: -0.025em;
}

.download-copy > p {
  margin: 5px 0 0;
  color: var(--ink-muted);
  font-size: 12px;
}

.file-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 22px 0 0;
  gap: 12px;
}

.file-meta div {
  min-width: 0;
}

.file-meta dt {
  color: var(--ink-soft);
  font-size: 9px;
}

.file-meta dd {
  margin: 3px 0 0;
  color: #cbd8d3;
  font-size: 11px;
  overflow-wrap: anywhere;
}

.download-actions {
  display: flex;
  flex-wrap: wrap;
  margin-top: 24px;
  gap: 9px;
}

.download-actions .button {
  min-height: 45px;
  padding: 0 15px;
  font-size: 12px;
}

.qr-panel {
  display: flex;
  align-items: center;
  flex-direction: column;
  text-align: center;
}

.qr-frame {
  display: grid;
  width: 132px;
  height: 132px;
  padding: 9px;
  border: 1px solid rgba(220, 240, 233, 0.15);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.22);
  place-items: center;
}

.qrcode {
  width: 112px;
  height: 112px;
}

.qrcode img,
.qrcode canvas,
.qrcode table {
  width: 112px !important;
  height: 112px !important;
}

.qrcode table {
  border-collapse: collapse;
}

.qr-panel strong {
  margin-top: 12px;
  font-size: 12px;
}

.qr-panel > span {
  margin-top: 2px;
  color: var(--ink-soft);
  font-size: 9px;
}

.hash-details {
  border-top: 1px solid var(--line);
}

.hash-details summary {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 0 26px;
  gap: 8px;
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 11px;
  list-style: none;
}

.hash-details summary::-webkit-details-marker {
  display: none;
}

.hash-details summary svg {
  width: 14px;
  height: 14px;
  color: var(--mint);
}

.android-card .hash-details summary svg {
  color: var(--coral);
}

.hash-row {
  display: flex;
  align-items: center;
  margin: 0 26px 20px;
  padding: 10px 11px;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #0a1411;
}

.hash-row code {
  min-width: 0;
  color: #91a49d;
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 9px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.hash-row button {
  display: grid;
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  padding: 0;
  color: var(--ink-muted);
  border: 1px solid var(--line);
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
  place-items: center;
}

.hash-row button:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.04);
}

.hash-row button svg {
  width: 13px;
  height: 13px;
}

.guide-tabs {
  display: inline-flex;
  padding: 4px;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-soft);
}

.guide-tab {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 16px;
  gap: 8px;
  color: var(--ink-muted);
  border: 0;
  border-radius: 7px;
  background: transparent;
  cursor: pointer;
  font-size: 12px;
  font-weight: 800;
}

.guide-tab svg {
  width: 16px;
  height: 16px;
}

.guide-tab.active {
  color: #06130f;
  background: var(--mint);
}

.guide-panel {
  margin-top: 18px;
  border-top: 1px solid var(--line);
}

.step-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}

.step-list li {
  min-height: 180px;
  padding: 25px 25px 0 0;
}

.step-list li + li {
  padding-left: 25px;
  border-left: 1px solid var(--line);
}

.step-list li > span {
  color: var(--mint);
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 11px;
  font-weight: 800;
}

.step-list strong {
  display: block;
  margin-top: 17px;
  font-size: 15px;
}

.step-list p {
  margin: 8px 0 0;
  color: var(--ink-muted);
  font-size: 12px;
  line-height: 1.75;
}

.release-section {
  padding-top: 0;
}

.release-card {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  align-items: center;
  overflow: hidden;
  padding: 42px;
  gap: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(115deg, rgba(74, 240, 194, 0.1), transparent 42%),
    linear-gradient(295deg, rgba(255, 135, 105, 0.08), transparent 46%),
    var(--surface-soft);
}

.release-mark {
  display: grid;
  aspect-ratio: 1;
  border: 1px solid rgba(74, 240, 194, 0.16);
  border-radius: 50%;
  background: rgba(74, 240, 194, 0.035);
  box-shadow: 0 0 0 28px rgba(74, 240, 194, 0.018);
  place-items: center;
}

.release-mark img {
  width: 120px;
  height: 120px;
  border-radius: 28px;
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.28);
}

.release-copy h2 {
  margin-top: 6px;
}

.release-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 26px;
  gap: 28px;
}

.release-columns div + div {
  padding-left: 28px;
  border-left: 1px solid var(--line);
}

.release-columns strong {
  font-size: 14px;
}

.release-columns p {
  margin: 8px 0 0;
  color: var(--ink-muted);
  font-size: 12px;
  line-height: 1.8;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-deep);
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(260px, 1.4fr) auto;
  align-items: center;
  min-height: 108px;
  gap: 28px;
}

.footer-brand img {
  border-radius: 10px;
}

.footer-brand span {
  gap: 3px;
}

.footer-brand strong {
  font-size: 14px;
}

.footer-brand small {
  color: var(--ink-soft);
  font-size: 9px;
}

.footer-inner p,
.footer-inner > span {
  margin: 0;
  color: var(--ink-soft);
  font-size: 11px;
}

.footer-inner p {
  text-align: center;
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 60;
  max-width: min(360px, calc(100vw - 44px));
  padding: 12px 16px;
  color: #06130f;
  border-radius: var(--radius-sm);
  background: var(--mint);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.28);
  opacity: 0;
  pointer-events: none;
  transform: translateY(14px);
  transition: opacity 180ms ease, transform 180ms ease;
  font-size: 12px;
  font-weight: 800;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.toast.error {
  color: #240b06;
  background: var(--coral);
}

.download-dock {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 70;
  width: min(390px, calc(100vw - 44px));
  padding: 15px;
  border: 1px solid rgba(220, 240, 233, 0.18);
  border-radius: var(--radius-md);
  background: rgba(16, 30, 26, 0.97);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.42);
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 200ms ease, transform 200ms ease;
  backdrop-filter: blur(18px);
}

.download-dock.show {
  opacity: 1;
  transform: translateY(0);
}

.download-dock-copy {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 32px;
  align-items: center;
  gap: 11px;
}

.download-dock-copy img {
  border-radius: 10px;
}

.download-dock-copy > span {
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.download-dock-copy strong,
.download-dock-copy small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.download-dock-copy strong {
  font-size: 13px;
}

.download-dock-copy small {
  margin-top: 3px;
  color: var(--ink-muted);
  font-size: 10px;
}

.download-dock-copy button {
  display: grid;
  width: 32px;
  height: 32px;
  padding: 0;
  color: var(--ink-muted);
  border: 1px solid var(--line);
  border-radius: 7px;
  background: transparent;
  cursor: pointer;
  place-items: center;
}

.download-dock-copy button:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.04);
}

.download-dock-copy button svg {
  width: 14px;
  height: 14px;
}

.download-dock-track {
  overflow: hidden;
  height: 5px;
  margin-top: 13px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.download-dock-track span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--mint), #a5f46d);
  transition: width 180ms ease;
}

.download-link[aria-busy="true"] {
  pointer-events: none;
  opacity: 0.72;
}

.download-link[aria-busy="true"] svg {
  animation: spin 900ms linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
}

@media (max-width: 1050px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .hero-copy {
    max-width: 740px;
  }

  .product-visual {
    max-width: 760px;
  }

  .app-window {
    transform: none;
  }

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

  .version-item:nth-child(2) {
    border-right: 1px solid var(--line);
  }

  .version-item:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .download-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 840px) {
  .main-nav {
    display: none;
  }

  .section {
    padding: 82px 0;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .step-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .step-list li:nth-child(3) {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .step-list li:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .release-card {
    grid-template-columns: 120px minmax(0, 1fr);
    padding: 32px;
    gap: 30px;
  }

  .release-mark img {
    width: 84px;
    height: 84px;
    border-radius: 20px;
  }

  .footer-inner {
    grid-template-columns: 1fr auto;
    padding: 24px 0;
  }

  .footer-inner p {
    grid-column: 1 / -1;
    grid-row: 2;
    text-align: left;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(calc(100% - 28px), var(--shell));
  }

  .site-header .brand small,
  .header-download span {
    display: none;
  }

  .header-download {
    padding: 0 13px;
  }

  .hero {
    padding: 58px 0 68px;
  }

  .hero h1 {
    font-size: clamp(58px, 20vw, 82px);
  }

  .hero-lead {
    font-size: 21px;
  }

  .hero-body {
    font-size: 14px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .hero-actions .button {
    width: 100%;
  }

  .platform-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .product-visual {
    margin-right: -14px;
  }

  .app-layout {
    grid-template-columns: 1fr;
    min-height: 480px;
  }

  .app-sidebar {
    display: none;
  }

  .featured {
    padding-right: 105px;
  }

  .vinyl {
    right: 15px;
    width: 85px;
    height: 85px;
    border-width: 8px;
  }

  .vinyl img {
    width: 40px;
    height: 40px;
    border-width: 4px;
  }

  .album-row {
    gap: 7px;
  }

  .player-bar {
    grid-template-columns: 32px minmax(0, 1fr) auto;
  }

  .equalizer {
    display: none;
  }

  .version-grid {
    grid-template-columns: 1fr;
  }

  .version-item,
  .version-item:first-child,
  .version-item:nth-child(2) {
    min-height: 76px;
    border-right: 1px solid var(--line);
    border-left: 1px solid var(--line);
  }

  .version-item + .version-item {
    border-top: 1px solid var(--line);
  }

  .version-item:first-child {
    border-top: 0;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .feature-card {
    min-height: auto;
    padding: 23px;
  }

  .download-card-main {
    grid-template-columns: 1fr;
    padding: 24px 20px;
  }

  .download-card-top {
    padding: 0 20px;
  }

  .qr-panel {
    order: -1;
    align-items: center;
    flex-direction: row;
    justify-content: flex-start;
    padding-bottom: 4px;
    text-align: left;
  }

  .qr-frame {
    width: 104px;
    height: 104px;
    padding: 7px;
  }

  .qrcode,
  .qrcode img,
  .qrcode canvas,
  .qrcode table {
    width: 88px !important;
    height: 88px !important;
  }

  .qr-panel strong {
    margin: 0 0 0 13px;
  }

  .qr-panel > span {
    display: none;
  }

  .download-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .download-actions .button {
    width: 100%;
  }

  .hash-details summary {
    padding: 0 20px;
  }

  .hash-row {
    margin: 0 20px 20px;
  }

  .guide-tabs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    width: 100%;
  }

  .guide-tab {
    justify-content: center;
    padding: 0 10px;
  }

  .step-list {
    grid-template-columns: 1fr;
  }

  .step-list li,
  .step-list li + li,
  .step-list li:nth-child(3) {
    min-height: auto;
    padding: 22px 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .step-list li:first-child {
    border-top: 0;
  }

  .release-card {
    grid-template-columns: 1fr;
    padding: 26px 22px;
    gap: 24px;
  }

  .release-mark {
    width: 104px;
    height: 104px;
  }

  .release-mark img {
    width: 74px;
    height: 74px;
  }

  .release-columns {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .release-columns div + div {
    padding-top: 20px;
    padding-left: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 16px;
  }

  .footer-inner p {
    grid-row: auto;
  }

  .toast {
    right: 14px;
    bottom: 14px;
    max-width: calc(100vw - 28px);
  }

  .download-dock {
    right: 14px;
    bottom: 14px;
    width: calc(100vw - 28px);
  }
}

@media (max-width: 390px) {
  .release-pill {
    font-size: 10px;
  }

  .release-date {
    display: none;
  }

  .platform-row {
    grid-template-columns: 1fr;
  }

  .featured {
    min-height: 132px;
    padding-left: 18px;
  }

  .featured-copy strong {
    font-size: 16px;
  }

  .file-meta {
    grid-template-columns: 1fr 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}