:root {
  color-scheme: light;
  --paper: #ffffff;
  --ink: #342b35;
  --muted: #685b65;
  --line: #e3cbd8;
  --accent: #dc8cae;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 14px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif; -webkit-font-smoothing: antialiased; }
body::before { display: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
a,button { touch-action: manipulation; -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
header,main,footer { max-width: 1280px; margin: auto; position: relative; }
header { padding: 28px 44px; display: flex; justify-content: space-between; align-items: center; gap: 22px; border-bottom: 1px solid #ffffff08; }
.brand { display: flex; align-items: center; gap: 12px; font-size: 17px; font-weight: 500; }
.brand img { border-radius: 12px; width: 38px; height: 38px; }
.brand span { display: grid; line-height: 1.4; }
.brand small { font-size: 8px; letter-spacing: 3px; color: #aeb0c0; font-weight: 400; margin-top: 3px; }
nav { display: flex; gap: 32px; align-items: center; font-size: 12px; color: #b8b9c9; }
nav a { transition: color .2s, border-color .2s; }
nav a:hover { color: white; }
.nav-cta { padding: 7px 17px; border: 1px solid #ffffff26; border-radius: 7px; color: #e9dfcb; background: #ffffff05; }
.skip-link { position: absolute; left: 10px; top: -60px; background: white; color: black; padding: 8px; z-index: 30; }
.skip-link:focus { top: 10px; }
.hero { min-height: 680px; display: grid; grid-template-columns: 1fr 1.15fr; align-items: center; gap: 0; padding: 68px 44px 84px; position: relative; }
.hero-copy { position: relative; z-index: 2; }
.eyebrow { display: flex; align-items: center; gap: 9px; color: #a8a1ba; font-size: 9px; letter-spacing: 2.6px; margin: 0; }
.eyebrow>span { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px #e7d8ba60; }
h1 { font-size: clamp(44px,4.5vw,62px); line-height: 1.3; letter-spacing: -.03em; font-weight: 500; margin: 26px 0 23px; }
h1>span { background: linear-gradient(105deg,#f4e8d5,#c9bfdc); color: transparent; background-clip: text; -webkit-background-clip: text; }
.intro { color: var(--muted); line-height: 1.95; font-size: 13px; margin: 0 0 28px; }
.download-panel { max-width: 390px; border: 1px solid #ffffff16; background: linear-gradient(120deg,#ffffff06,#ffffff02); border-radius: 13px; padding: 16px 18px; backdrop-filter: blur(18px); }
.platform-tabs { display: flex; gap: 22px; border-bottom: 1px solid var(--line); margin-bottom: 17px; }
.platform-tabs button { padding: 0 0 10px; border: 0; border-bottom: 2px solid transparent; border-radius: 0; background: none; color: #9599ad; font-size: 11px; font-weight: 400; margin-bottom: -1px; transition: color .2s,border-color .2s; }
.platform-tabs button[aria-selected=true] { color: #e8ddc8; border-bottom-color: #c9b998; }
.download-actions { display: flex; gap: 10px; }
.download-main,.download-mirror { height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 0 20px; border-radius: 7px; font-size: 13px; font-weight: 500; transition: background .2s,transform .2s,box-shadow .2s; }
.download-main { color: #242334; background: linear-gradient(120deg,#f0e4cd,#d5c3a3); box-shadow: 0 4px 18px #e3c8940b; min-width: 151px; }
.download-main:hover { background: #f3e7d2; transform: translateY(-1px); box-shadow: 0 5px 20px #e3c89420; }
.download-main svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.download-main small,.download-mirror small { display: none; }
.download-mirror { border: 1px solid #ffffff29; background: #ffffff03; color: #c6c5d2; min-width: 115px; }
.download-mirror:hover { background: #ffffff0b; border-color: #ffffff44; }
.device-note { font-size: 10px; color: #a0a5b8; margin: 12px 0; }
.release { display: flex; align-items: center; gap: 10px; color: #9198ac; font-size: 10px; border-top: 1px solid #ffffff0a; padding-top: 10px; }
.release-dot { width: 4px; height: 4px; background: #a0bdb1; border-radius: 50%; }
.release-refresh { border: 0; background: none; font-size: 10px; color: #a0a5b8; margin-left: auto; padding: 0; }
.release-status { font-size: 10px; color: #d2be9d; margin: 0; }
.release-status:not(:empty) { margin-top: 8px; }
.web-link { display: inline-flex; align-items: center; gap: 13px; color: #929aae; font-size: 11px; margin-top: 19px; }
.web-link>span { color: #c6bfd4; }
.web-link>span>span { margin-left: 5px; }
.hero-art { position: relative; min-width: 0; height: 550px; margin-left: -85px; margin-right: -44px; }
.town-art { width: 100%; height: 100%; object-fit: cover; object-position: 62% center; display: block; mask-image: linear-gradient(to right,transparent 0%,#000 18%,#000 87%,transparent),linear-gradient(to bottom,transparent,#000 10%,#000 87%,transparent); mask-composite: intersect; -webkit-mask-image: linear-gradient(to right,transparent 0%,#000 18%,#000 87%,transparent),linear-gradient(to bottom,transparent,#000 10%,#000 87%,transparent); -webkit-mask-composite: source-in; }
.art-caption { position: absolute; bottom: 22px; right: 60px; border-left: 1px solid #b8aec255; padding-left: 13px; }
.art-caption>span { font-size: 8px; letter-spacing: 2.8px; color: #9c9bba; }
.art-caption p { font-size: 12px; font-weight: 400; letter-spacing: 3px; color: #d6ccd9; margin: 3px 0 0; }
.art-coordinate { position: absolute; top: 25px; right: 65px; color: #b1aec255; font-size: 7px; letter-spacing: 2px; line-height: 1.9; }
.experience { padding: 46px 44px 60px; border-top: 1px solid var(--line); }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 28px; margin-bottom: 30px; }
.section-heading h2 { margin: 12px 0 0; font-size: 26px; font-weight: 400; letter-spacing: -.02em; }
.section-heading>p { margin: 0; color: #939bae; font-size: 11px; line-height: 1.9; }
.features { display: grid; grid-template-columns: repeat(3,1fr); gap: 17px; }
.features article { position: relative; overflow: hidden; min-height: 252px; border: 1px solid #ffffff12; background: linear-gradient(145deg,#ffffff04,#ffffff01); padding: 24px; border-radius: 11px; transition: border-color .3s,transform .3s; }
.features article:hover { border-color: #ffffff30; transform: translateY(-3px); }
.feature-top { display: flex; justify-content: space-between; align-items: center; position: relative; z-index: 1; }
.feature-top>span { font-size: 8px; letter-spacing: 2px; color: #858ea6; }
.feature-top svg { width: 20px; height: 20px; fill: none; stroke: #b7a6c5; stroke-width: 1.1; stroke-linejoin: round; stroke-linecap: round; }
.features h3 { font-size: 18px; font-weight: 400; margin: 32px 0 11px; position: relative; z-index: 1; }
.features p { font-size: 11px; color: #9da4b7; line-height: 1.95; margin: 0; position: relative; z-index: 1; }
.features small { display: block; color: #788399; font-size: 9px; margin-top: 26px; position: relative; z-index: 1; }
.feature-decoration { position: absolute; inset: 0; pointer-events: none; }
.feature-decoration span { position: absolute; width: 130px; height: 175px; border: 1px solid #b796d016; right: -25px; bottom: -35px; border-radius: 45%; transform: rotate(30deg); }
.feature-decoration span:nth-child(2) { right: -45px; bottom: -18px; }
.feature-decoration span:nth-child(3) { right: -65px; bottom: 0; }
.feature-connect .feature-decoration span { border-radius: 50%; width: 150px; height: 150px; border-color: #87a2b71c; }
.feature-identity .feature-decoration span { border-radius: 17px; border-color: #c3af8118; }
.help { padding: 34px 44px 46px; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1.25fr 1fr 1fr; gap: 38px; align-items: start; }
.help h2 { font-size: 13px; font-weight: 500; margin: 0; color: #c1c3d0; }
.help p { font-size: 11px; color: #929bae; margin: 9px 0 0; line-height: 1.9; }
.help details { border-bottom: 1px solid var(--line); padding-bottom: 14px; }
.help summary { font-size: 11px; cursor: pointer; color: #b2b7c9; }
footer { display: flex; align-items: center; gap: 28px; padding: 26px 44px 32px; border-top: 1px solid var(--line); color: #8690a5; }
.footer-brand { color: #aaaebf; font-size: 12px; }
.footer-brand img { width: 28px; height: 28px; border-radius: 9px; }
.footer-brand small { font-size: 8px; letter-spacing: 1px; color: #778297; }
footer>p { font-size: 9px; letter-spacing: 1px; margin: 0 0 0 auto; }
.privacy { font-size: 9px; max-width: 340px; }
.privacy summary { cursor: pointer; }
.privacy p { line-height: 1.8; }
@media (min-width:1500px) { .hero { padding-top: 84px; padding-bottom: 105px; } }
@media (max-width:1000px) {
  header { padding: 25px 28px; }
  .hero { padding: 55px 28px 65px; grid-template-columns: 1.05fr 1fr; min-height: 600px; }
  h1 { font-size: 48px; }
  .hero-art { margin-left: -70px; margin-right: -28px; height: 500px; }
  .art-caption { right: 25px; }
  .art-coordinate { right: 28px; }
  .experience,.help { padding-left: 28px; padding-right: 28px; }
  .features { gap: 12px; }
  .features article { padding: 19px; }
  .features h3 { font-size: 16px; }
  footer { padding-left: 28px; padding-right: 28px; }
}
@media (max-width:700px) {
  header { padding: 20px 22px; }
  .brand { font-size: 15px; gap: 9px; }
  .brand img { width: 32px; height: 32px; border-radius: 10px; }
  .brand small { font-size: 7px; letter-spacing: 2px; }
  nav { gap: 19px; font-size: 11px; }
  nav>a:first-child { display: none; }
  .nav-cta { padding: 6px 13px; }
  .hero { display: flex; flex-direction: column; padding: 45px 22px 20px; min-height: auto; }
  .hero-copy { width: 100%; }
  .eyebrow { font-size: 8px; letter-spacing: 2px; }
  h1 { font-size: 43px; line-height: 1.3; margin: 22px 0 18px; }
  .intro { font-size: 12px; margin-bottom: 23px; }
  .download-panel { max-width: 390px; padding: 15px 16px; }
  .platform-tabs { gap: 21px; }
  .download-main { min-width: 143px; }
  .download-mirror { min-width: 110px; }
  .web-link { margin-top: 16px; }
  .hero-art { height: 310px; width: calc(100% + 44px); margin: -10px -22px 0; }
  .town-art { object-position: 65% center; mask-image: linear-gradient(to bottom,transparent,#000 12%,#000 82%,transparent); -webkit-mask-image: linear-gradient(to bottom,transparent,#000 12%,#000 82%,transparent); -webkit-mask-composite: source-over; }
  .art-caption { bottom: 23px; right: 28px; }
  .art-caption>span { font-size: 7px; }
  .art-caption p { font-size: 10px; }
  .art-coordinate { display: none; }
  .experience { padding: 30px 22px 35px; }
  .section-heading { display: block; margin-bottom: 22px; }
  .section-heading h2 { font-size: 22px; line-height: 1.5; margin: 9px 0 0; }
  .section-heading>p { margin-top: 12px; font-size: 10px; }
  .section-heading>p br { display: none; }
  .features { grid-template-columns: 1fr; gap: 12px; }
  .features article { padding: 22px; min-height: 215px; }
  .features h3 { font-size: 18px; margin-top: 23px; }
  .features small { margin-top: 18px; }
  .feature-decoration span { width: 160px; height: 190px; right: -10px; }
  .help { grid-template-columns: 1fr; gap: 24px; padding: 28px 22px 32px; }
  footer { flex-wrap: wrap; gap: 15px; padding: 23px 22px; }
  .privacy { width: 100%; max-width: none; }
  footer>p { font-size: 8px; }
}
@media (max-width:360px) {
  h1 { font-size: 39px; }
  .download-actions { gap: 8px; }
  .download-main,.download-mirror { min-width: 0; padding: 0 16px; flex: 1; }
  .platform-tabs { gap: 15px; }
}
@media (prefers-reduced-motion:reduce) { html { scroll-behavior: auto; } * { transition: none!important; } }

/* White and rose: one quiet visual language for artwork and platform entries. */
header { border-bottom-color: #f0e6eb; }
.brand small,nav { color: #91818f; }
nav a:hover { color: #bc638d; }
.nav-cta { color: #ad6286; border-color: #ecd1df; background: #fff7fb; border-radius: 20px; }
.eyebrow { color: #ab859a; }
.eyebrow>span { box-shadow: 0 0 12px #e9a3c044; }
h1>span { background-image: linear-gradient(105deg,#be7198,#e4a6bf); }
.download-panel { max-width: 440px; padding: 0; border: 0; background: none; backdrop-filter: none; }
.platform-downloads { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 10px; }
.platform-option { text-align: center; min-width: 0; }
.platform-button { height: 44px; display: flex; align-items: center; justify-content: center; gap: 7px; border: 1px solid #eac9da; border-radius: 24px; background: linear-gradient(140deg,#fff,#fbeaf2); color: #a85980; font-size: 13px; font-weight: 500; box-shadow: 0 4px 12px #b7749608; transition: background .2s,border-color .2s,transform .2s; }
.platform-button:hover { background: #fae4ef; border-color: #d9a3bd; transform: translateY(-1px); }
.platform-button svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.platform-hint { display: inline-block; margin-top: 9px; font-size: 10px; color: #a3929e; }
.mirror-link:hover { color: #b9668d; text-decoration: underline; text-underline-offset: 3px; }
.device-note { color: #a18e9b; font-size: 10px; margin: 15px 0 12px; }
.release { border-color: #efdee7; color: #998793; }
.release-refresh { color: #aa7c94; }
.release-status { color: #b47492; }
.release-dot { background: #da9db9; }
.hero-art { margin-left: 0; margin-right: 0; height: 700px; }
.town-art { object-fit: contain; object-position: center; transform: scale(1.2); filter: none; opacity: 1; mask-image: none; -webkit-mask-image: none; }
.hero-art::after { display: none; }
.hero-art { transform: perspective(1200px) rotateX(var(--tilt-x,0deg)) rotateY(var(--tilt-y,0deg)); transition: transform .4s ease-out; }
.platform-button:active { transform: translateY(1px) scale(.98); }
.reveal { opacity: 0; translate: 0 16px; transition: opacity .65s ease var(--reveal-delay,0ms),translate .65s ease var(--reveal-delay,0ms),border-color .3s,transform .3s; }
.reveal.is-visible { opacity: 1; translate: 0 0; }
.features article:hover { box-shadow: 0 12px 30px #d99ab51a; }
.features article:hover .feature-top svg { transform: rotate(-8deg) scale(1.12); }
.feature-top svg { transition: transform .3s; }
.help details[open] p { animation: answer-in .25s ease-out; }
@keyframes answer-in { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }
@media(prefers-reduced-motion:reduce) { .hero-art { transform: none; } .reveal { opacity: 1; translate: none; } .help details[open] p { animation: none; } }
@media(min-width:701px) and (max-width:1000px) { .hero-art { overflow: hidden; height: 600px; } .town-art { transform: none; } .preview-caption { bottom: 0; } }
.preview-caption { position: absolute; bottom: -35px; left: 0; right: 0; margin: 0; text-align: center; color: #b6a2ae; font-size: 10px; letter-spacing: 1px; }
.art-caption { z-index: 1; border-color: #d5a5bd; }
.art-caption>span,.art-caption p { color: #ad6587; }
.art-coordinate { display: none; }
.section-heading>p,.features p,.help p { color: #8e7e89; }
.features article { border-color: #f0dee8; background: linear-gradient(145deg,#fff,#fdf4f8); box-shadow: 0 8px 30px #bd7b9b05; }
.features article:hover { border-color: #e4bfd2; }
.feature-top>span,.features small { color: #b08a9e; }
.feature-top svg { stroke: #cd93af; }
.feature-decoration span,.feature-connect .feature-decoration span,.feature-identity .feature-decoration span { border-color: #ddb7ce40; }
.help h2,.help summary,.footer-brand { color: #7d6575; }
footer,.footer-brand small { color: #a18c99; }
@media(max-width:700px) {
  .download-panel { max-width: 440px; padding: 0; }
  .platform-downloads { gap: 8px; }
  .platform-button { font-size: 12px; gap: 5px; }
  .hero-art { height: 470px; width: 100%; margin: 24px 0 10px; overflow: hidden; }
  .town-art { transform: scale(1.05); object-position: center; mask-image: none; -webkit-mask-image: none; }
  .preview-caption { bottom: 0; }
}
@media(max-width:360px) {
  .platform-downloads { gap: 6px; }
  .platform-button { font-size: 11px; gap: 4px; }
  .platform-button svg { width: 14px; height: 14px; }
}

/* Readable text hierarchy; pastel is decoration, not body text. */
h1>span { background-image: linear-gradient(105deg,#a64e7a,#b45b86); }
.brand small,nav,.eyebrow,.feature-top>span,.features small,
.platform-hint,.device-note,.release,.preview-caption,
footer,.footer-brand small { color: #77606f; }
.section-heading>p,.features p,.help p { color: #685b65; }
.platform-button,.nav-cta,.release-refresh { color: #98486e; }
.platform-button { border-color: #d9a2bd; }
.release-status { color: #98486e; }
.help h2,.help summary,.footer-brand { color: #574451; }
.features article { border-color: #e5cad8; }
.feature-top svg { stroke: #a76587; }
.mirror-link:hover { color: #8d3e65; }