:root { --paper: #efeee8; --ink: #202124; --muted: #777b7a; --orange: #f2a585; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
button { font: inherit; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { margin: 0; }
a:focus-visible, button:focus-visible, .record-deck:focus-visible { outline: 3px solid var(--orange); outline-offset: 5px; }
.skip-link { position: absolute; top: -100px; left: 1rem; z-index: 100; padding: .75rem 1rem; color: #111; background: #fff; }
.skip-link:focus { top: 1rem; }

.dark-shell { color: #f6f5f1; background: #111216; overflow: hidden; }
.site-header { width: min(100%, 1500px); height: 84px; margin: auto; padding: 0 5.3%; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,.12); position: relative; z-index: 5; }
.wordmark { font-family: Arial, Helvetica, sans-serif; font-weight: 800; font-size: 1.72rem; letter-spacing: -.09em; text-decoration: none; }
.wordmark span, .site-footer strong span { color: var(--orange); }
.site-header nav { display: flex; gap: 2.7rem; margin-left: auto; }
.site-header nav a, .header-link { text-decoration: none; font-size: .78rem; font-weight: 650; }
.site-header nav a { color: #adafb3; transition: color .2s ease; }
.site-header nav a:hover, .header-link:hover { color: #fff; }
.platform-switch { position: relative; display: grid; grid-template-columns: 1fr 1fr; width: 172px; height: 43px; margin-left: 2rem; padding: 4px; border: 1px solid rgba(255,255,255,.24); border-radius: 999px; background: #202127; isolation: isolate; }
.platform-switch::before { content: ""; position: absolute; z-index: 0; top: 4px; bottom: 4px; left: 4px; width: calc(50% - 4px); border-radius: 999px; background: #f1c0ac; box-shadow: 0 2px 8px rgba(0,0,0,.23); transition: transform .35s cubic-bezier(.2,.8,.2,1); }
.platform-switch[data-selected="android"]::before { transform: translateX(100%); }
.platform-switch button { position: relative; z-index: 1; min-width: 0; padding: 0 .35rem; border: 0; border-radius: 999px; color: #b9babf; background: transparent; font-size: .72rem; font-weight: 750; cursor: pointer; transition: color .25s ease; }
.platform-switch button:hover { color: #fff; }
.platform-switch button.is-selected, .platform-switch button.is-selected:hover { color: #1c1b1c; }
.header-link { display: flex; gap: 1.4rem; align-items: center; margin-left: 1rem; padding: .76rem 1rem; border: 1px solid rgba(255,255,255,.28); white-space: nowrap; }
.header-link span { font-size: 1.1rem; }
.header-link:hover { background: rgba(255,255,255,.08); }
.language-picker { position: relative; flex: none; margin-left: 1rem; }
.language-toggle { display: flex; align-items: center; justify-content: center; gap: .45rem; min-width: 110px; height: 43px; padding: 0 .65rem; border: 1px solid rgba(255,255,255,.28); border-radius: 999px; color: #f6f5f1; background: #202127; cursor: pointer; font-size: .74rem; font-weight: 700; white-space: nowrap; }
.language-toggle:hover, .language-toggle[aria-expanded="true"] { background: #303139; border-color: rgba(255,255,255,.55); }
.language-toggle > span:first-child { font-size: 1.1rem; line-height: 1; color: #f1c0ac; }
.language-chevron { font-size: 1.05rem; line-height: 1; margin-top: -.3rem; color: #aeb0b4; }
.language-menu { position: absolute; top: calc(100% + .55rem); right: 0; z-index: 20; display: grid; width: 185px; padding: .35rem; border: 1px solid rgba(255,255,255,.2); border-radius: 15px; background: #24252b; box-shadow: 0 18px 50px rgba(0,0,0,.5); }
.language-menu[hidden] { display: none; }
.language-menu button { width: 100%; padding: .67rem .75rem; border: 0; border-radius: 10px; color: #d3d4d7; background: transparent; cursor: pointer; text-align: left; font-size: .76rem; }
.language-menu button:hover, .language-menu button.is-selected { color: #171719; background: #f1c0ac; }

.hero { width: min(100%, 1500px); margin: auto; padding: 3.8rem 5.3% 5rem; }
.hero-heading { text-align: center; }
.eyebrow { display: inline-flex; align-items: center; gap: .65rem; color: #a3a5a9; font-size: .67rem; font-weight: 800; letter-spacing: .23em; }
.pulse-dot { width: 6px; height: 6px; border-radius: 50%; background: #ff986e; box-shadow: 0 0 0 5px rgba(255,152,110,.12), 0 0 16px #ff986e; }
.hero-heading h1 { margin-top: 1rem; font-size: clamp(3rem, 5.7vw, 6.3rem); line-height: 1.23; font-weight: 760; letter-spacing: -.075em; }
.hero-heading h1 span { color: #e8ad99; }
.hero-heading h1 .hero-title-first { color: inherit; }
.hero-heading > p:last-child { max-width: 43rem; margin: 1rem auto 0; color: #afb0b2; font-size: .97rem; line-height: 1.8; }

.record-scene { --glow: #5973ff; position: relative; width: 100%; height: 430px; margin: 1rem auto 0; isolation: isolate; }
.scene-glow { position: absolute; inset: 4% 20%; z-index: -1; background: radial-gradient(ellipse at center, var(--glow), transparent 65%); opacity: .27; filter: blur(45px); transition: background .5s ease; pointer-events: none; }
.scene-orbit { position: absolute; left: 50%; top: 51%; width: 82%; height: 34%; border: 1px solid rgba(255,255,255,.1); border-radius: 50%; transform: translate(-50%,-50%) rotate(-12deg); pointer-events: none; }
.scene-orbit-two { width: 68%; height: 27%; transform: translate(-50%,-50%) rotate(12deg); opacity: .65; }
.record-deck { position: absolute; inset: 0; overflow: hidden; cursor: grab; touch-action: pan-y; user-select: none; perspective: 900px; }
.record-deck.is-dragging { cursor: grabbing; }
.record-item { position: absolute; left: 50%; top: 50%; z-index: 1; width: 308px; height: 308px; padding: 0; border: 0; border-radius: 50%; background: transparent; color: inherit; cursor: pointer; opacity: 0; transform-origin: center; transition: transform .7s cubic-bezier(.18,.8,.2,1.12), opacity .55s ease, filter .55s ease; will-change: transform; -webkit-tap-highlight-color: transparent; }
.record-deck:not(.is-ready) .record-item:nth-child(1) { opacity: 1; transform: translate3d(-50%, -50%, 0) scale(1); z-index: 100; }
.record-deck:not(.is-ready) .record-item:nth-child(2) { opacity: .68; transform: translate3d(calc(-50% + 220px), calc(-50% + 13px), 0) rotateY(-19deg) rotateZ(3deg) scale(.76); z-index: 80; }
.record-deck:not(.is-ready) .record-item:nth-child(4) { opacity: .68; transform: translate3d(calc(-50% - 220px), calc(-50% + 13px), 0) rotateY(19deg) rotateZ(-3deg) scale(.76); z-index: 80; }
.record-deck:not(.is-ready) .record-item:nth-child(3) { opacity: 0; pointer-events: none; }
.record-deck.is-dragging .record-item { transition: opacity .18s ease; }
.record-deck.is-building .record-item { transition: none; }
.record-item:focus-visible { outline: 0; }
.record-item:focus-visible .record-disc { outline: 3px solid #fff; outline-offset: 8px; }
.record-disc { position: relative; display: grid; place-items: center; width: 100%; height: 100%; border: 1px solid #55565c; border-radius: 50%; background: repeating-radial-gradient(circle at center, #1b1c20 0px, #1b1c20 4px, #33343a 5px, #1b1c20 7px, #111216 11px); box-shadow: inset 0 0 2px rgba(255,255,255,.5), inset 0 0 42px rgba(0,0,0,.9), 0 25px 45px rgba(0,0,0,.55); overflow: hidden; }
.record-disc::before { content: ""; position: absolute; inset: 7%; border-radius: 50%; border: 1px solid rgba(255,255,255,.13); box-shadow: 0 0 0 27px rgba(255,255,255,.012), 0 0 0 57px rgba(255,255,255,.012); }
.record-shine { position: absolute; inset: 0; border-radius: 50%; background: conic-gradient(from 15deg, transparent 0deg, rgba(255,255,255,.16) 26deg, transparent 54deg, transparent 180deg, rgba(255,255,255,.09) 206deg, transparent 232deg, transparent); animation: groove-turn 14s linear infinite; }
.record-core { position: relative; z-index: 1; display: grid; place-items: center; width: 46%; height: 46%; border: 8px solid #17181c; border-radius: 50%; background: #f9f7f4; box-shadow: 0 0 0 2px rgba(255,255,255,.32), 0 0 35px rgba(0,0,0,.5); overflow: hidden; }
.record-core img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; pointer-events: none; }
.icon-fallback { position: absolute; inset: 0; display: grid; place-items: center; padding: .5rem; color: #343540; background: #e9e7e4; font-size: 1.4rem; font-weight: 850; line-height: 1.1; text-align: center; }
.record-core img { position: relative; z-index: 1; }
.record-deck.is-ready .record-core img:not(.is-loaded) { opacity: 0; }
.record-item.is-active .record-disc { border-color: rgba(255,255,255,.7); box-shadow: inset 0 0 2px rgba(255,255,255,.55), inset 0 0 42px rgba(0,0,0,.9), 0 35px 65px rgba(0,0,0,.65), 0 0 40px rgba(255,255,255,.11); }
.scene-index { position: absolute; left: 3%; bottom: 1.2rem; display: flex; align-items: center; gap: .75rem; color: #a1a4aa; font-size: .75rem; font-weight: 800; font-variant-numeric: tabular-nums; letter-spacing: .12em; }
.scene-index-line { display: inline-block; width: 2rem; height: 1px; background: #696c75; }
@keyframes groove-turn { to { transform: rotate(360deg); } }

.record-detail { display: grid; grid-template-columns: 50px minmax(0,1fr) 50px; align-items: center; gap: 2.3rem; max-width: 850px; min-height: 215px; margin: -1rem auto 0; }
.record-arrow { width: 50px; height: 50px; border: 1px solid rgba(255,255,255,.3); border-radius: 50%; background: transparent; color: #eee; font-size: 1.3rem; cursor: pointer; transition: background .25s ease, color .25s ease, transform .25s ease; }
.record-arrow:hover { background: #f3f0eb; color: #111216; transform: scale(1.08); }
.detail-copy { text-align: center; }
.detail-copy.is-changing > * { animation: detail-in .42s cubic-bezier(.2,.8,.2,1) both; }
.detail-copy > p:first-child { color: #e3a892; font-size: .7rem; letter-spacing: .14em; font-weight: 800; }
.detail-copy h2 { margin-top: .6rem; font-family: Arial, "PingFang SC", sans-serif; font-size: clamp(1.7rem, 3.1vw, 2.9rem); line-height: 1.25; letter-spacing: -.05em; }
.detail-copy > p:nth-of-type(2) { max-width: 35rem; margin: .75rem auto 0; color: #b5b6ba; font-size: .89rem; line-height: 1.85; }
.detail-links { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 1.8rem; margin-top: 1.35rem; }
.detail-links a { font-size: .82rem; font-weight: 700; text-decoration: none; }
.store-button { display: inline-flex; align-items: center; gap: 1.4rem; padding: .85rem 1.1rem; color: #151516; background: #f0ece5; transition: background .2s ease, transform .2s ease; }
.store-button:hover { background: #efb5a0; transform: translateY(-2px); }
.support-link { color: #d1d2d1; border-bottom: 1px solid #777a7b; padding-bottom: .3rem; }
.support-link:hover { color: white; }
.gesture-hint { margin-top: 1.45rem; color: #777b83; text-align: center; font-size: .69rem; letter-spacing: .08em; }
.gesture-hint span { padding-left: .5rem; }
@keyframes detail-in { from { opacity: 0; transform: translateY(13px); } to { opacity: 1; transform: translateY(0); } }

.benefits-section { max-width: 1500px; margin: 0 auto; padding: 1rem 5.3% 7rem; scroll-margin-top: 1rem; }
.benefits-card { display: grid; grid-template-columns: minmax(260px, .8fr) minmax(0, 1.2fr); min-height: 350px; overflow: hidden; border: 1px solid rgba(255,255,255,.13); background: linear-gradient(120deg, #292027, #1d1b21 58%, #17181d); }
.benefits-visual { position: relative; display: grid; place-items: center; min-height: 350px; overflow: hidden; background: radial-gradient(circle at center, rgba(238,154,136,.2), transparent 67%); }
.benefits-visual::before, .benefits-visual::after { content: ""; position: absolute; width: 270px; height: 270px; border: 1px solid rgba(255,197,173,.2); border-radius: 50%; }
.benefits-visual::after { width: 315px; height: 315px; border-color: rgba(255,197,173,.08); }
.benefits-stamp { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; width: 220px; height: 220px; border-radius: 50%; color: #ffd1bd; background: radial-gradient(circle at 35% 25%, #5d3d47, #332832 70%); box-shadow: inset 0 0 0 1px rgba(255,220,207,.38), inset 0 0 0 10px rgba(255,220,207,.035), 0 24px 60px rgba(0,0,0,.27); transform: rotate(-10deg); }
.benefits-stamp strong { font-family: Arial, Helvetica, sans-serif; font-size: 6.4rem; line-height: .9; letter-spacing: -.1em; padding-right: .1em; }
.benefits-stamp span { margin-top: .8rem; font-size: .7rem; font-weight: 800; letter-spacing: .32em; }
.benefits-copy { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding: 3rem 4rem 3rem 1rem; }
.benefits-eyebrow { color: #e7a88e; font-size: .67rem; font-weight: 800; letter-spacing: .22em; }
.benefits-copy h2 { margin-top: 1rem; font-size: clamp(2.1rem, 3.5vw, 3.75rem); line-height: 1.25; letter-spacing: -.07em; }
.benefits-copy h2 span { color: #eeb5a0; }
.benefits-copy h2 span:first-child { color: inherit; }
.benefits-steps { display: grid; gap: .8rem; margin-top: 1.4rem; }
.benefits-steps p { color: #c2bdc0; font-size: .9rem; line-height: 1.7; }
.benefits-steps p > span { margin-right: .9rem; color: #e7a88e; font-size: .69rem; font-weight: 800; letter-spacing: .12em; }
.benefits-steps strong { color: #f4e4dc; font-weight: 750; }
.benefits-link { display: inline-flex; align-items: center; gap: 1.8rem; margin-top: 1.75rem; padding: .9rem 1.15rem; color: #19181c; background: #f3c1ae; font-size: .79rem; font-weight: 750; text-decoration: none; transition: background .2s ease, transform .2s ease; }
.benefits-link:hover { color: #19181c; background: #ffdfcf; transform: translateY(-2px); }

.about-section { max-width: 1500px; margin: auto; padding: 7.5rem 5.3%; display: grid; grid-template-columns: 27% 1fr; gap: 3rem; }
.section-label { color: #898b85; font-size: .69rem; font-weight: 800; letter-spacing: .15em; }
.section-label span { color: #df8b70; margin-left: .65rem; }
.about-section .section-label { padding-top: 1rem; }
.about-section h2 { max-width: 56rem; font-size: clamp(2.3rem, 4.3vw, 4.6rem); line-height: 1.35; letter-spacing: -.075em; }
.about-section div > p { max-width: 30rem; margin: 2rem 0 0 auto; color: #6e736e; line-height: 1.95; font-size: .97rem; }
.collection-section { max-width: 1500px; margin: auto; padding: 0 5.3% 8rem; }
.collection-heading { display: flex; justify-content: space-between; gap: 2rem; align-items: end; margin-bottom: 2rem; }
.collection-heading h2 { font-size: clamp(2.3rem, 4vw, 4.5rem); letter-spacing: -.075em; }
.app-rows { border-top: 1px solid #c9cbc5; }
.app-row { min-height: 145px; display: grid; grid-template-columns: 45px 72px minmax(0,1fr) auto; gap: 1.5rem; align-items: center; border-bottom: 1px solid #c9cbc5; }
.row-number { color: #929691; font-size: .75rem; font-weight: 750; }
.app-row img { width: 72px; height: 72px; border-radius: 19%; box-shadow: 0 6px 13px rgba(34,35,38,.13); }
.app-row h3 { font-family: Arial, "PingFang SC", sans-serif; font-size: clamp(1.2rem, 2vw, 1.85rem); letter-spacing: -.045em; }
.app-row p { margin-top: .4rem; color: #777b76; font-size: .83rem; }
.app-row a { text-decoration: none; font-size: .76rem; font-weight: 750; border-bottom: 1px solid #595d58; padding-bottom: .35rem; }
.app-row a:hover { color: #c66f54; border-color: #c66f54; }
.site-footer { min-height: 215px; padding: 3.6rem max(5.3%, calc((100vw - 1340px)/2)); display: grid; grid-template-columns: 1fr auto; gap: 3rem; color: #eee; background: #151619; }
.site-footer strong { font-family: Arial, Helvetica, sans-serif; font-size: 2rem; letter-spacing: -.09em; }
.site-footer p { margin-top: .45rem; color: #9a9da1; font-size: .79rem; }
.site-footer nav { display: flex; align-items: start; gap: 1.7rem; padding-top: .5rem; }
.site-footer nav a { color: #bebfc2; text-decoration: none; font-size: .78rem; }
.site-footer nav a:hover { color: white; }
.site-footer small { grid-column: 1 / -1; align-self: end; color: #777a80; font-size: .7rem; }

@media (max-width: 1120px) {
  .site-header nav { display: none; }
  .platform-switch { margin-left: auto; }
}

@media (max-width: 760px) {
  .site-header { height: 69px; padding: 0 6%; gap: .6rem; }
  .site-header nav { display: none; }
  .wordmark { font-size: 1.5rem; }
  .platform-switch { margin-left: auto; }
  .language-picker { margin-left: 0; }
  .language-toggle { height: 39px; min-width: 95px; }
  .header-link { margin-left: 0; font-size: .72rem; padding: .65rem .8rem; }
  .hero { padding: 3.3rem 4% 4.7rem; }
  .hero-heading { padding-inline: 3%; }
  .hero-heading h1 { font-size: clamp(2.6rem, 8vw, 4rem); }
  .hero-heading > p:last-child { font-size: .85rem; }
  .record-scene { height: 350px; margin-top: 1.35rem; }
  .record-item { width: 260px; height: 260px; }
  .record-deck:not(.is-ready) .record-item:nth-child(2) { transform: translate3d(calc(-50% + 160px), calc(-50% + 13px), 0) rotateY(-19deg) rotateZ(3deg) scale(.76); }
  .record-deck:not(.is-ready) .record-item:nth-child(4) { transform: translate3d(calc(-50% - 160px), calc(-50% + 13px), 0) rotateY(19deg) rotateZ(-3deg) scale(.76); }
  .scene-orbit { width: 130%; }
  .scene-orbit-two { width: 110%; }
  .scene-index { left: 6%; bottom: 0; }
  .record-detail { grid-template-columns: 38px minmax(0,1fr) 38px; gap: .7rem; margin-top: 0; min-height: 215px; }
  .record-arrow { width: 38px; height: 38px; }
  .detail-copy h2 { font-size: clamp(1.48rem, 5vw, 2rem); }
  .detail-copy > p:nth-of-type(2) { font-size: .78rem; }
  .detail-links { gap: .9rem; }
  .detail-links a { font-size: .72rem; }
  .store-button { padding: .73rem .85rem; gap: .5rem; }
  .benefits-section { padding: 0 4% 4.5rem; }
  .benefits-card { grid-template-columns: 1fr; }
  .benefits-visual { min-height: 210px; }
  .benefits-visual::before { width: 180px; height: 180px; }
  .benefits-visual::after { width: 220px; height: 220px; }
  .benefits-stamp { width: 160px; height: 160px; }
  .benefits-stamp strong { font-size: 4.7rem; }
  .benefits-copy { padding: .4rem 1.6rem 2.3rem; }
  .benefits-copy h2 { font-size: clamp(2rem, 6.5vw, 3rem); }
  .benefits-steps p { font-size: .81rem; }
  .about-section { display: block; padding: 5.2rem 6%; }
  .about-section .section-label { padding: 0; margin-bottom: 2rem; }
  .about-section h2 { font-size: clamp(2rem, 6.4vw, 3.2rem); }
  .about-section div > p { margin: 1.4rem 0 0; font-size: .88rem; }
  .collection-section { padding: 0 6% 5.3rem; }
  .collection-heading { display: block; }
  .collection-heading h2 { margin-top: .9rem; font-size: 2.25rem; }
  .app-row { min-height: 116px; grid-template-columns: 54px minmax(0,1fr) auto; gap: .8rem; }
  .row-number { display: none; }
  .app-row img { width: 54px; height: 54px; }
  .app-row h3 { font-size: 1.05rem; }
  .app-row p { font-size: .73rem; }
  .app-row a { font-size: .68rem; white-space: nowrap; }
  .site-footer { padding: 3.4rem 6% 2rem; display: block; }
  .site-footer nav { flex-wrap: wrap; margin-top: 2rem; }
  .site-footer small { display: block; margin-top: 3rem; }
}

@media (max-width: 430px) {
  .site-header { height: auto; min-height: 69px; flex-wrap: wrap; padding-top: .75rem; padding-bottom: .75rem; }
  .wordmark { order: 1; }
  .header-link { order: 2; margin-left: auto; }
  .platform-switch { order: 3; margin-left: auto; }
  .language-picker { order: 4; margin-left: 0; }
  .platform-switch { width: 160px; height: 39px; }
  .platform-switch button { font-size: .68rem; }
  .hero-heading h1 { font-size: 2.52rem; }
  .hero-heading h1 span { display: block; }
  .record-scene { height: 305px; }
  .record-item { width: 224px; height: 224px; }
  .record-deck:not(.is-ready) .record-item:nth-child(2) { transform: translate3d(calc(-50% + 120px), calc(-50% + 13px), 0) rotateY(-19deg) rotateZ(3deg) scale(.76); }
  .record-deck:not(.is-ready) .record-item:nth-child(4) { transform: translate3d(calc(-50% - 120px), calc(-50% + 13px), 0) rotateY(19deg) rotateZ(-3deg) scale(.76); }
  .record-core { border-width: 6px; }
  .record-detail { gap: .3rem; }
  .detail-copy h2 { font-size: 1.42rem; }
  .detail-links { flex-direction: column; gap: .85rem; }
  .app-row { grid-template-columns: 49px minmax(0,1fr); padding-block: 1rem; }
  .app-row img { width: 49px; height: 49px; }
  .app-row a { grid-column: 2; justify-self: start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}