:root {
  color-scheme: dark;
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #08090b;
  color: #eef0f6;
  --muted: #b8bdc9;
  --accent: #cbd7ec;
  --opal-violet: #cbb8e6;
  --opal-rose: #e9c9b3;
  --border: #ffffff20;
}
* { box-sizing: border-box; }
body { margin: 0; }
a { color: inherit; text-decoration: none; text-underline-offset: .25em; }
button { font: inherit; cursor: pointer; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
a:hover { text-decoration: underline; }
button, a { -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; }
[hidden] { display: none !important; }
.wrap { width: min(1280px, 100%); margin-inline: auto; padding-inline: clamp(24px, 5vw, 72px); }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 26px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 2rem; font-weight: 750; line-height: 1; letter-spacing: -.075em; }
.brand img { width: 48px; height: 48px; border-radius: 12px; box-shadow: 0 0 0 1px #ffffff20; }
.brand-name { font-size: .8em; letter-spacing: -.04em; }
nav, .header-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 28px; }
nav a, .language-link { display: inline-flex; align-items: center; min-height: 44px; color: var(--muted); font-size: .85rem; }
.header-actions { gap: 20px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 32px; min-height: 54px; padding: 14px 24px; border-radius: 8px; background: #eef0f6; color: #26354f; font-size: .95rem; font-weight: 650; }
.button:hover { background: var(--accent); text-decoration: none; }
.button-small { min-height: 44px; padding: 10px 18px; font-size: .8rem; gap: 20px; }
.hero { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 40px; padding-block: 64px 80px; }
.eyebrow { font-size: .66rem; font-weight: 650; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.hero .eyebrow { display: flex; align-items: center; gap: 10px; }
.little-star { color: var(--opal-violet); font-size: 1.4rem; }
h1 { font-size: clamp(2.8rem, 5.3vw, 4.8rem); font-weight: 560; line-height: 1.1; letter-spacing: -.065em; margin: 24px 0; }
h1 em { font-family: Georgia, "Times New Roman", serif; font-weight: 400; }
html[lang="zh-Hans"] h1 em { font-family: inherit; font-style: normal; font-weight: 500; }
.intro { color: var(--muted); font-size: 1.03rem; max-width: 28em; margin-bottom: 30px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 24px; }
.quiet-link { min-height: 44px; display: inline-flex; align-items: center; gap: 16px; font-size: .88rem; }
.requirements { color: var(--muted); font-size: .74rem; margin-top: 20px; }
.platform-note { color: var(--muted); font-size: .63rem; letter-spacing: .09em; margin-top: 32px; }
.platform-note span { color: var(--accent); margin-right: 8px; }
.hero-gallery { min-width: 0; }
.art-wall { overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 18%, #000 80%, transparent); }
.art-row { position: relative; display: flex; align-items: center; gap: 20px; height: 152px; }
.art-cover { flex: 0 0 auto; width: 116px; height: 116px; max-width: none; object-fit: cover; border-radius: 10px; box-shadow: 0 12px 24px #0006; }
.is-animated .art-cover { position: absolute; left: 0; top: 18px; will-change: transform; }
.gallery-caption { display: flex; align-items: center; justify-content: space-between; gap: 16px; color: var(--muted); font-size: .65rem; margin-top: 12px; }
.manifesto { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-block: 24px; border-block: 1px solid var(--border); font-size: clamp(.85rem, 1.6vw, 1.15rem); letter-spacing: -.025em; }
.manifesto-second { color: var(--muted); }
.manifesto > :last-child { color: var(--accent); font-size: 1.8rem; line-height: 1; }
.section { padding-block: 96px; scroll-margin-top: 24px; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 48px; margin-bottom: 36px; }
h2 { font-size: clamp(1.9rem, 3.1vw, 2.8rem); font-weight: 500; line-height: 1.25; letter-spacing: -.045em; margin: 20px 0; text-wrap: balance; white-space: pre-line; }
.section-heading h2 { max-width: 16em; margin-bottom: 0; }
.section-description { color: var(--muted); max-width: 30em; font-size: .95rem; }
.product-wordmark { display: flex; flex-wrap: wrap; align-items: baseline; gap: .16em; font-size: clamp(2rem, 3.4vw, 3rem); line-height: 1.2; margin: 0 0 36px; letter-spacing: -.045em; }
.product-wordmark > span { font-weight: 700; }
.product-wordmark > small { font-size: 58%; font-weight: 500; letter-spacing: .01em; color: var(--accent); }
.music-layout { display: grid; grid-template-columns: 1.1fr 1fr; gap: 80px; align-items: center; }
.music-copy h2 { font-size: clamp(1.9rem, 3vw, 2.6rem); }
.discovery-principles { list-style: none; padding: 0; margin: 36px 0 0; display: grid; gap: 24px; }
.discovery-principles li { display: flex; align-items: baseline; gap: 20px; }
.discovery-principles li > span { color: var(--opal-violet); font-size: .7rem; font-variant-numeric: tabular-nums; }
.discovery-principles h3 { font-weight: 550; font-size: .95rem; margin: 0 0 6px; }
.discovery-principles p { color: var(--muted); font-size: .8rem; margin: 0; max-width: 32em; }
.discovery-map { min-width: 0; padding: 32px 20px; border: 1px solid var(--border); border-radius: 20px; background: radial-gradient(ellipse at 50% 30%, #6865a316, transparent 70%); }
.discovery-map > .eyebrow { text-align: center; }
.discovery-seed { width: min(190px, 70%); margin: 24px auto 0; }
.discovery-connection { text-align: center; color: var(--opal-violet); margin: 12px 0 24px; }
.discovery-connection > span { font-size: 2rem; line-height: 1; }
.discovery-connection > p { font-size: .7rem; }
.discovery-branches { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.discovery-map > .fine-print { margin-top: 24px; text-align: center; }
.song-card { min-width: 0; }
.cover-button { position: relative; display: block; width: 100%; padding: 0; border: 0; border-radius: 8px; background: #1c1e24; color: #08090b; }
.cover-button > img { width: 100%; aspect-ratio: 1; height: auto; object-fit: cover; border-radius: inherit; }
.play-icon { display: grid; place-items: center; position: absolute; bottom: 10px; right: 10px; width: 44px; height: 44px; border-radius: 50%; background: #eef0f6; box-shadow: 0 4px 16px #0005; font-size: .8rem; padding-left: 2px; }
.cover-button:hover .play-icon { background: var(--accent); }
.preview-status { color: var(--muted); font-size: .7rem; margin: 8px 0 0; }
.preview-status:empty { display: none; }
.discovery-branches .play-icon { width: 32px; height: 32px; font-size: .65rem; right: 5px; bottom: 5px; }
.song-meta h3 { margin: 12px 0 3px; font-size: .8rem; line-height: 1.4; font-weight: 600; overflow-wrap: anywhere; }
.song-meta p { color: var(--muted); font-size: .7rem; line-height: 1.4; margin: 0; }
.music-credit { margin: 24px 0 0; text-align: center; color: var(--muted); font-size: .72rem; }
.music-credit a { display: inline-flex; align-items: center; min-height: 44px; }
.preview-notice { color: var(--muted); font-size: .7rem; max-width: 65em; margin: 8px auto 0; text-align: center; }
.text-link { display: inline-flex; align-items: center; gap: 20px; padding-block: 16px; margin-top: 20px; color: var(--accent); font-size: .9rem; }
.radio { border-block: 1px solid var(--border); background: #101115; }
.radio-experience { border: 1px solid var(--border); border-radius: 16px; padding: 28px; background: #08090b; }
.radio-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 20px; }
.radio-toolbar > p { font-size: .85rem; }
.day-shortcuts { display: flex; flex-wrap: wrap; gap: 8px; }
.day-shortcuts button { min-height: 44px; border: 1px solid var(--border); border-radius: 24px; color: var(--accent); background: #191b21; padding: 8px 14px; font-size: .7rem; }
.day-shortcuts button:hover { border-color: var(--accent); }
.hour-strip { display: flex; gap: 8px; overflow-x: auto; padding: 6px 3px 18px; border-bottom: 1px solid var(--border); position: relative; scrollbar-width: thin; scrollbar-color: #6865a3 #191b21; }
.hour-button { flex: 0 0 76px; min-height: 88px; border: 1px solid transparent; border-radius: 8px; background: #17191f; color: var(--muted); padding: 12px 5px; }
.hour-button > span { display: block; font-size: 1.3rem; font-variant-numeric: tabular-nums; }
.hour-button > small { display: block; font-size: .55rem; margin-top: 6px; }
.hour-button[aria-pressed="true"] { color: #26354f; background: var(--accent); }
.hour-button:hover { border-color: var(--accent); }
.hour-context { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; padding-top: 28px; }
.hour-range { font-size: clamp(1.7rem, 4vw, 3rem); letter-spacing: -.05em; font-variant-numeric: tabular-nums; line-height: 1.2; margin: 0; }
.hour-range > span { color: var(--muted); font-size: .7em; }
.hour-context > :last-child { color: var(--muted); font-size: .7rem; }
.hour-panel-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; margin-block: 16px 24px; }
.hour-panel-heading h3 { font-size: 1.2rem; font-weight: 500; margin: 0; }
.hour-panel-heading p { color: var(--muted); font-size: .8rem; max-width: 25em; margin: 0; }
.radio-samples { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.fine-print { color: var(--muted); font-size: .7rem; max-width: 65em; }
.radio > .wrap > .fine-print { margin: 12px auto 0; text-align: center; }
.share { display: grid; grid-template-columns: 1.05fr 1fr; gap: 64px; align-items: center; }
.share-art { min-width: 0; padding: 24px; background: radial-gradient(ellipse, #6865a338, transparent 72%); }
.share-note { display: inline-flex; align-items: center; gap: 12px; padding: 10px 16px; margin-bottom: 24px; border: 1px solid var(--border); background: #1b1c23; border-radius: 24px; font-size: .75rem; }
.share-note > span { color: var(--accent); font-size: 1.1rem; }
.icon-definitions { position: absolute; overflow: hidden; }
.social-icon { display: block; width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.story-player { width: 100%; max-width: 420px; margin-inline: auto; padding: 24px; border: 1px solid #cbb8e638; border-radius: 24px; background: linear-gradient(155deg, #25232f, #131419 55%, #101115); box-shadow: 0 32px 80px #0009, inset 0 1px #ffffff0d; }
.story-player-heading { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 24px; }
.story-player-heading .product-wordmark { font-size: 1.5rem; margin: 0; }
.story-player-heading > span { color: var(--muted); font-size: .6rem; letter-spacing: .08em; }
.story-player .cover-button { border-radius: 14px; box-shadow: 0 12px 32px #0005; }
.story-player .play-icon { width: 54px; height: 54px; right: 14px; bottom: 14px; font-size: 1rem; }
.story-player .song-meta h3 { font-size: 1.1rem; margin-top: 20px; letter-spacing: -.025em; }
.story-player .song-meta p { font-size: .85rem; margin-top: 4px; }
.story-actions { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 24px; padding-block: 20px; border-block: 1px solid var(--border); }
.story-action { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 7px; color: var(--accent); min-height: 76px; }
.story-liked > .social-icon { fill: #ff4d6b; stroke: #ff4d6b; }
.story-count { font-size: 1.05rem; font-weight: 600; font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.story-action-label { color: var(--muted); font-size: .65rem; }
.story-share-label { font-size: .8rem; }
.story-demo-note { color: var(--muted); font-size: .63rem; line-height: 1.6; margin: 16px 0 0; text-align: center; }
.share-copy h2 { font-size: clamp(2.1rem, 3.7vw, 3.2rem); }
.share-copy .section-description { margin-block: 24px; }
.social-trio { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 32px; }
.social-trio .social-icon { color: var(--opal-violet); }
.social-trio article:first-child .social-icon { fill: #ff4d6b; stroke: #ff4d6b; }
.social-trio h3 { font-size: .85rem; font-weight: 550; margin: 14px 0 8px; }
.social-trio p { color: var(--muted); font-size: .7rem; margin: 0; }
.story-prompt { color: var(--opal-rose); font-size: .8rem; line-height: 1.8; margin-block: 28px; border-left: 1px solid #e9c9b350; padding-left: 18px; }
.button-outline { background: transparent; border: 1px solid #b8bdc9; color: #eef0f6; font-weight: 500; }
.button-outline:hover { background: #ffffff0d; }
.guide-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); gap: 24px; margin-block: 32px; }
.guide-card { padding: 24px; border: 1px solid var(--border); border-radius: 12px; background: #101115; }
.guide-card h3 { font-size: 1.15rem; line-height: 1.4; margin-top: 0; }
.guide-card p { color: var(--muted); font-size: .9rem; }
.guide-page { max-width: 1000px; padding-block: 32px 64px; }
.guide-page h1 { font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.2; letter-spacing: -.04em; }
.guide-page .guide-intro { font-size: 1.15rem; color: var(--muted); line-height: 1.8; }
.guide-breadcrumb { gap: 12px; }
.guide-article section { margin-block: 40px; }
.guide-article h2, .guide-download h2 { font-size: 1.6rem; line-height: 1.4; letter-spacing: -.02em; }
.guide-article p, .guide-article li { line-height: 1.9; }
.guide-article li { margin-block: 12px; padding-left: 8px; }
.guide-download { margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--border); }
.closing { padding-block: 72px 64px; text-align: center; border: 1px solid var(--border); border-radius: 16px; background: radial-gradient(ellipse at 50% 0, #6865a312, transparent 65%), #101115; width: min(1136px, calc(100% - 48px)); }
.closing-icon { width: 80px; height: 80px; border-radius: 20px; margin: 0 auto 24px; box-shadow: 0 0 0 1px #ffffff20, 0 16px 48px #0006; }
.closing h2 { font-size: clamp(3rem, 6vw, 5rem); margin-block: 20px; letter-spacing: -.065em; }
.closing > p { color: var(--muted); }
.download-badge { display: inline-block; margin-top: 16px; }
.download-badge img { width: 160px; height: auto; }
.closing .fine-print { margin-inline: auto; }
footer { padding-block: 64px 32px; }
.footer-top { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 40px; }
.footer-tagline, .team p:not(.eyebrow) { color: var(--muted); font-size: .73rem; max-width: 22em; }
.team > a { display: inline-flex; align-items: center; gap: 20px; min-height: 44px; font-size: 1rem; letter-spacing: .08em; }
.team .eyebrow { margin-top: 0; }
.footer-top nav { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 20px; align-content: start; }
.footer-top nav a { font-size: .72rem; }
.footer-bottom { display: flex; align-items: start; justify-content: space-between; gap: 40px; border-top: 1px solid var(--border); margin-top: 40px; padding-top: 24px; color: var(--muted); font-size: .62rem; }
.footer-bottom > p { max-width: 48em; margin: 0; }
.skip-link { position: absolute; top: 12px; left: 12px; padding: 12px; background: #eef0f6; color: #08090b; transform: translateY(-200%); z-index: 1; }
.skip-link:focus { transform: none; }
.notice { padding: 12px; color: #f3d9a1; border: 1px solid #f3d9a150; border-radius: 6px; font-size: .85rem; }
@media (max-width: 1000px) {
  .music-layout { gap: 40px; }
  .share { gap: 32px; }
  .radio-toolbar { flex-wrap: wrap; gap: 8px; }
  .hour-panel-heading { display: block; }
  .hour-panel-heading p { margin-top: 10px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-top nav { grid-column: span 2; display: flex; gap: 24px; }
}
@media (max-width: 700px) {
  .site-header { flex-wrap: wrap; padding-block: 20px; gap: 16px; }
  .site-header > nav { order: 3; width: 100%; gap: 24px; }
  .header-actions { gap: 14px; }
  .brand { font-size: 1.75rem; }
  .brand img { width: 40px; height: 40px; border-radius: 10px; }
  .button-small { gap: 10px; padding-inline: 12px; }
  .hero { grid-template-columns: 1fr; gap: 32px; padding-block: 36px 48px; }
  h1 { font-size: clamp(2.8rem, 9.5vw, 4.8rem); }
  .art-row { height: 112px; }
  .art-cover { width: 86px; height: 86px; border-radius: 7px; }
  .is-animated .art-cover { top: 13px; }
  .gallery-caption { flex-wrap: wrap; gap: 8px; }
  .manifesto { font-size: .82rem; gap: 8px; }
  .manifesto > :last-child { display: none; }
  .section { padding-block: 56px; }
  .section-heading { display: block; }
  .section-description { max-width: 100%; }
  .product-wordmark { margin-bottom: 28px; }
  .music-layout { grid-template-columns: 1fr; gap: 32px; }
  .discovery-map { padding: 24px 16px; }
  .discovery-branches { gap: 10px; }
  .discovery-branches .song-meta h3 { font-size: .68rem; }
  .radio-experience { padding: 18px; }
  .day-shortcuts { gap: 6px; }
  .day-shortcuts button { font-size: .63rem; padding-inline: 10px; }
  .hour-context { display: block; }
  .radio-samples { gap: 12px; }
  .radio-samples .play-icon { width: 32px; height: 32px; font-size: .6rem; bottom: 4px; right: 4px; }
  .radio-samples .song-meta h3 { font-size: .68rem; }
  .radio-samples .song-meta p { font-size: .63rem; }
  .share { grid-template-columns: 1fr; gap: 24px; }
  .share-art { padding-inline: 16px; }
  .story-player { padding: 20px; }
  .closing { padding: 40px 24px; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-top nav { grid-column: auto; display: flex; flex-wrap: wrap; gap: 10px 24px; }
  .footer-bottom { flex-direction: column; gap: 12px; }
}
@media (prefers-contrast: more) {
  :root { --muted: #d9deea; --border: #b8bdc9; }
}
@media (prefers-reduced-motion: reduce) {
  .is-animated .art-cover { will-change: auto; }
}