:root {
  color-scheme: light;
  --ink: #14182c;
  --muted: #505b75;
  --lime: #d4ff51;
  --accent: #c0ec28;
  --surface: #f5f8ff;
  --border: #e4ebf6;
  --button: #10181b;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: var(--ink);
  background: #fff;
  font-synthesis: weight;
}
* { box-sizing: border-box; }
body { margin: 0; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
button, a { touch-action: manipulation; }
button:focus-visible, a:focus-visible { outline: 3px solid #4b6620; outline-offset: 5px; }
img { display: block; max-width: 100%; }
h1, h2, h3, p, dl, dd { margin: 0; }
.skip-link { position: absolute; top: 8px; left: 8px; z-index: 10; background: white; padding: 12px; transform: translateY(-160%); }
.skip-link:focus { transform: none; }
.icon { display: inline-block; flex: 0 0 auto; width: 24px; height: 24px; background: currentColor; mask: var(--icon) center / contain no-repeat; }
.icon-download { --icon: url("assets/icons/download.svg"); }
.icon-shield-check { --icon: url("assets/icons/shield-check.svg"); }
.icon-shield-alert { --icon: url("assets/icons/shield-alert.svg"); }
.icon-flash { --icon: url("assets/icons/flash.svg"); }
.icon-refresh { --icon: url("assets/icons/refresh.svg"); }
.icon-users { --icon: url("assets/icons/users.svg"); }
.icon-heart { --icon: url("assets/icons/heart.svg"); }
.icon-planet { --icon: url("assets/icons/planet.svg"); }
.icon-gift { --icon: url("assets/icons/gift.svg"); }
.icon-close { --icon: url("assets/icons/close.svg"); }
.hero { position: relative; max-width: 1920px; min-height: 548px; height: min(54.8vw, 1052px); margin: auto; isolation: isolate; }
.hero-art { position: absolute; inset: 0; z-index: -2; overflow: hidden; }
.hero-art img { width: 100%; height: 100%; object-fit: cover; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; background: linear-gradient(90deg, #fff 0%, #ffffffef 24%, #ffffff70 43%, #ffffff00 57%); }
.site-header { display: flex; align-items: center; justify-content: space-between; position: relative; padding: 2.5% 5.5% 0; }
.brand { display: flex; align-items: center; gap: clamp(12px, 1.2vw, 20px); }
.brand > img { width: clamp(54px, 5.3vw, 90px); height: auto; }
.brand-wordmark { display: flex; flex-direction: column; gap: 3px; }
.brand-wordmark strong { font-size: clamp(25px, 2.7vw, 46px); font-weight: 900; line-height: 1.1; letter-spacing: -1px; }
.brand-wordmark > span { color: var(--muted); font-size: clamp(11px, 1.05vw, 17px); letter-spacing: .56em; padding-left: 2px; }
.site-header nav { display: flex; align-items: center; gap: clamp(20px, 2.3vw, 36px); }
.help-link { border: 0; background: none; color: var(--ink); padding: 12px 0; min-height: 44px; font-weight: 700; text-decoration: underline; text-underline-offset: 7px; }
.header-download { display: flex; align-items: center; gap: 8px; padding: 14px 22px; min-height: 44px; border-radius: 50px; background: var(--lime); font-size: clamp(13px, 1.2vw, 18px); font-weight: 700; }
.header-download .icon { width: 21px; height: 21px; }
.hero-copy { position: absolute; top: 26.5%; left: 5.3%; }
.hero h1 { font-size: clamp(54px, 6.4vw, 114px); font-weight: 900; letter-spacing: -.045em; line-height: 1.13; }
.hero h1 span { position: relative; }
.hero h1 span::after { content: ""; position: absolute; left: 43%; right: -4%; bottom: 3px; height: 7px; background: var(--lime); z-index: -1; transform: rotate(-8deg); border-radius: 50%; }
.hero-subtitle { font-size: clamp(19px, 2.1vw, 36px); color: var(--muted); margin-top: 1.4vw; line-height: 1.6; }
.download-group { width: clamp(300px, 28.4vw, 500px); margin-top: 2.7vw; text-align: center; }
.download-button { display: flex; align-items: center; justify-content: center; gap: 16px; width: 100%; min-height: 64px; padding: 16px 18px; border: 1px solid #66813470; border-radius: 80px; background: var(--button); color: var(--lime); font-size: clamp(24px, 2.2vw, 38px); font-weight: 800; white-space: nowrap; transition: background-color .18s, box-shadow .18s; }
.download-button .icon { width: clamp(30px, 3.1vw, 48px); height: clamp(30px, 3.1vw, 48px); }
.download-button:hover { background: #202c28; box-shadow: 0 6px 24px #14182c18; }
.download-button:active, .header-download:active { opacity: .8; }
[data-download][aria-busy="true"] { cursor: progress; opacity: .72; }
.assurances { display: grid; grid-template-columns: repeat(4, 1fr); list-style: none; width: 94%; padding: 9px 2px; margin: 8px auto 0; }
.assurances li { display: flex; align-items: center; justify-content: center; gap: 3px; white-space: nowrap; font-size: clamp(10px, 1.05vw, 14px); font-weight: 600; }
.assurances li + li { border-left: 1px solid #cbd4e6; }
.assurances .icon { width: 17px; height: 17px; color: #166534; }
.download-note { margin-top: 12px; font-size: clamp(13px, 1.45vw, 22px); white-space: nowrap; color: var(--muted); }
.download-status { margin-top: 10px; color: var(--muted); font-size: 14px; line-height: 1.5; }
.download-status:empty { display: none; }
.page-content { width: calc(100% - 5%); max-width: 1824px; margin: 20px auto 0; }
.categories { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.category { position: relative; height: clamp(165px, 15.4vw, 290px); border-radius: 14px; overflow: hidden; isolation: isolate; background: var(--surface); }
.category > img { width: 100%; height: 100%; object-fit: cover; object-position: 65% 50%; }
.category-game > img { object-position: center 45%; padding-left: 24%; }
.category::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, #f7faff 3%, #f7faffec 24%, #f7faff00 72%); z-index: 0; }
.category-copy { position: absolute; left: 6%; top: 21%; z-index: 1; }
.category h2 { font-size: clamp(23px, 2.3vw, 40px); line-height: 1.3; font-weight: 900; }
.category h2::after { content: ""; display: block; width: 27px; height: 4px; border-radius: 3px; background: var(--lime); margin-top: 9px; }
.category p { margin-top: 12px; color: var(--muted); font-size: clamp(13px, 1.32vw, 22px); line-height: 1.6; }
.community-numbers { margin-top: 24px; }
.numbers { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 18px 0; }
.numbers > div { display: flex; flex-direction: column; align-items: center; position: relative; }
.numbers > div + div::before { content: ""; position: absolute; top: 6%; bottom: 0; left: 0; width: 1px; background: #c9d4e9; }
.numbers .icon { order: 0; width: clamp(36px, 4.1vw, 65px); height: clamp(36px, 4.1vw, 65px); color: var(--accent); }
.numbers dt { order: 2; font-size: clamp(17px, 1.9vw, 30px); color: var(--muted); margin-top: 5px; }
.numbers dd { order: 1; font-family: Arial, "Microsoft YaHei", sans-serif; font-weight: 800; font-size: clamp(32px, 3.5vw, 54px); line-height: 1.35; }
.sample-note { display: flex; align-items: center; justify-content: center; gap: 14px; color: #68758e; font-size: 14px; letter-spacing: .2em; margin-top: 12px; }
.sample-note::before, .sample-note::after { content: ""; width: 22px; height: 1px; background: #c5cfdf; }
.benefits { margin-top: 24px; }
.benefits > h2 { display: flex; align-items: center; justify-content: center; font-size: clamp(30px, 3.65vw, 58px); font-weight: 900; line-height: 1.4; margin-bottom: 16px; letter-spacing: -.035em; }
.benefits > h2::before, .benefits > h2::after { content: ""; height: 3px; width: 6%; background: var(--lime); margin: 0 20px; }
.benefits > h2 > span { color: var(--accent); -webkit-text-stroke: .6px #546c00; paint-order: stroke fill; margin: 0 .1em; }
.benefit-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.benefit { overflow: hidden; border: 1px solid var(--border); border-radius: 14px; background: #fdfefe; }
.benefit > img { width: 100%; height: auto; aspect-ratio: 1.57; object-fit: cover; }
.benefit-copy { padding: 14px 20px 18px; }
.benefit h3 { font-size: clamp(24px, 2.5vw, 40px); line-height: 1.25; font-weight: 900; }
.benefit p { color: var(--muted); font-size: clamp(16px, 1.7vw, 26px); margin-top: 8px; line-height: 1.5; }
.site-footer { display: flex; justify-content: space-between; align-items: center; margin: 32px 0 0; padding: 22px 10px 45px; gap: 20px; border-top: 1px solid var(--border); color: var(--muted); font-size: clamp(12px, 1.05vw, 16px); line-height: 1.7; }
.site-footer strong { color: var(--ink); font-weight: 700; margin-right: 12px; }
dialog { width: min(500px, calc(100% - 32px)); max-height: calc(100% - 48px); overflow: auto; border: 1px solid var(--border); border-radius: 24px; padding: 32px; color: var(--ink); box-shadow: 0 24px 90px #14182c26; }
dialog::backdrop { background: #14182c66; backdrop-filter: blur(4px); }
dialog h2 { font-size: 25px; margin: 12px 34px 16px 0; line-height: 1.4; }
dialog p { font-size: 15px; color: var(--muted); line-height: 1.8; }
.dialog-close { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; position: absolute; right: 12px; top: 12px; border: 0; border-radius: 50%; background: var(--surface); color: var(--ink); }
.dialog-action { margin-top: 24px; min-height: 46px; padding: 12px 24px; width: 100%; border: 0; border-radius: 30px; background: var(--button); color: var(--lime); font-weight: 700; }
.install-steps { margin: 24px 0 0; padding-left: 24px; }
.install-steps li { padding-left: 5px; margin: 18px 0; }
.install-steps li::marker { color: #536f13; font-weight: 700; }
.install-steps strong { display: block; margin-bottom: 5px; }
.release-details:empty { display: none; }
.noscript-note { text-align: center; padding: 16px; }
@media (min-width: 1600px) { .page-content { margin-top: 28px; } .numbers { padding: 32px 0; } }
@media (max-width: 767px) {
  .hero { min-height: 0; height: auto; }
  .hero-art { position: relative; display: block; height: auto; aspect-ratio: 1.4; z-index: -1; }
  .hero-art img { object-fit: cover; }
  .hero::after { display: none; }
  .site-header { position: absolute; top: 0; left: 0; width: 100%; padding: 15px 20px 0; align-items: flex-start; }
  .brand { gap: 9px; }
  .brand > img { width: 38px; height: 38px; }
  .brand-wordmark { gap: 3px; }
  .brand-wordmark strong { font-size: 20px; letter-spacing: -.6px; }
  .brand-wordmark > span { font-size: 9px; letter-spacing: .5em; }
  .help-link { font-size: 12px; min-height: 44px; padding-top: 4px; text-underline-offset: 5px; }
  .site-header nav { gap: 0; }
  .header-download { display: none; }
  .hero-copy { position: relative; inset: auto; padding: 0 16px; margin-top: -4px; text-align: center; }
  .hero h1 { font-size: clamp(30px, 8.8vw, 54px); line-height: 1.14; letter-spacing: -.045em; }
  .hero h1 span::after { height: 4px; bottom: 1px; }
  .hero-subtitle { font-size: clamp(14px, 3.7vw, 23px); margin-top: 10px; line-height: 1.5; }
  .download-group { width: min(100%, 300px); margin: 12px auto 0; }
  .download-button { min-height: 48px; padding: 10px 16px; font-size: 18px; gap: 12px; }
  .download-button .icon { width: 25px; height: 25px; }
  .assurances { width: calc(100% - 12px); max-width: 330px; padding: 7px 1px; margin-top: 6px; }
  .assurances li { gap: 2px; font-size: 12px; font-weight: 500; }
  .assurances .icon { width: 14px; height: 14px; }
  .download-note { font-size: 12px; line-height: 1.5; margin-top: 8px; }
  .page-content { width: calc(100% - 32px); margin-top: 16px; }
  .categories { gap: 8px; }
  .category { height: auto; border-radius: 9px; border: 1px solid var(--border); background: #fff; }
  .category::after { display: none; }
  .category > img { width: 100%; height: auto; aspect-ratio: 1.48; object-fit: cover; object-position: 60% 45%; }
  .category-game > img { padding-left: 0; }
  .category-copy { position: static; padding: 6px 6px 4px; }
  .category h2 { position: relative; font-size: 16px; line-height: 1.3; }
  .category h2::after { position: absolute; top: -6px; left: 0; height: 3px; width: 19px; margin: 0; }
  .category p { font-size: 12px; margin-top: 3px; line-height: 1.5; overflow-wrap: anywhere; }
  .desktop-copy { display: none; }
  .community-numbers { margin-top: 12px; }
  .numbers { border-radius: 10px; padding: 8px 0; }
  .numbers .icon { width: 23px; height: 23px; }
  .numbers dd { font-size: clamp(19px, 5.6vw, 33px); line-height: 1.25; margin-top: 2px; }
  .numbers dt { font-size: 12px; margin-top: 4px; }
  .sample-note { font-size: 12px; margin-top: 7px; gap: 9px; }
  .sample-note::before, .sample-note::after { width: 15px; }
  .benefits { margin-top: 14px; }
  .benefits > h2 { font-size: clamp(19px, 5.1vw, 30px); letter-spacing: -.05em; margin-bottom: 12px; white-space: nowrap; }
  .benefits > h2::before, .benefits > h2::after { height: 2px; width: 18px; flex-shrink: 0; margin: 0 6px; }
  .benefit-grid { display: flex; flex-direction: column; gap: 7px; }
  .benefit { display: grid; grid-template-columns: 58% minmax(0, 1fr); border-radius: 9px; min-height: 64px; }
  .benefit > img { height: 100%; width: 100%; aspect-ratio: 3.6; object-fit: cover; }
  .benefit-copy { padding: 6px 8px 6px 14px; display: flex; justify-content: center; flex-direction: column; }
  .benefit h3 { font-size: 16px; line-height: 1.3; }
  .benefit h3::after { content: ""; display: block; background: var(--lime); width: 21px; height: 3px; margin-top: 4px; }
  .benefit p { font-size: 12px; line-height: 1.5; margin-top: 4px; overflow-wrap: anywhere; }
  .site-footer { margin-top: 12px; padding: 12px 0 max(22px, env(safe-area-inset-bottom)); gap: 6px; font-size: 12px; align-items: flex-start; flex-wrap: wrap; }
  .site-footer strong { margin-right: 6px; }
  .site-footer > div { max-width: 100%; }
  dialog { padding: 26px 22px; }
}
@media (max-width: 360px) {
  .site-header { padding-right: 16px; padding-left: 16px; }
  .brand > img { width: 32px; height: 32px; }
  .brand-wordmark strong { font-size: 18px; }
  .assurances li { gap: 2px; }
  .assurances .icon { width: 13px; height: 13px; }
  .benefits > h2::before, .benefits > h2::after { width: 10px; margin: 0 3px; }
  .benefit-copy { padding-left: 10px; }
  .site-footer { flex-wrap: wrap; }
  .site-footer > div { max-width: none; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; } }