:root {
  color-scheme: dark;
  --page: #100d19;
  --surface: #171322;
  --surface-raised: #1d1830;
  --surface-pixel: #211b34;
  --text: #f7f3ff;
  --muted: #b8b0cb;
  --subtle: #9189a5;
  --line: #695a91;
  --accent: #825bff;
  --accent-strong: #a68cff;
  --accent-soft: #d2c3ff;
  --content: 1120px;
  font-family: "Segoe UI", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
  font-synthesis: none;
}
:root[data-theme="light"] {
  color-scheme: light;
  --page: #f5f1ff;
  --surface: #fbf9ff;
  --surface-raised: #eee9f9;
  --surface-pixel: #e6def8;
  --text: #211a35;
  --muted: #625a77;
  --subtle: #827a98;
  --line: #aa9bd4;
  --accent: #704de0;
  --accent-strong: #805bea;
  --accent-soft: #5540b2;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
#home,#features,#nodes,#guide { scroll-margin-top: 92px; }
body { min-width: 320px; margin: 0; overflow-x: clip; background: var(--page); color: var(--text); font-size: 15px; line-height: 1.7; }
body::before { position: fixed; z-index: -1; inset: 0; background: radial-gradient(ellipse at 75% 11%,#6244a51e,transparent 37%),radial-gradient(ellipse at 14% 42%,#442b7614,transparent 42%); content: ""; }
:root[data-theme="light"] body::before { background: radial-gradient(ellipse at 75% 11%,#825bff0c,transparent 37%),radial-gradient(ellipse at 14% 42%,#704de008,transparent 42%); }
::selection { background: var(--accent); color: #fff; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
img { max-width: 100%; }
.site-header { position: sticky; z-index: 10; top: 0; display: grid; width: 100%; min-height: 76px; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 26px; margin: 0; padding-inline: max(32px,calc((100% - var(--content))/2)); border-bottom: 1px solid color-mix(in srgb,var(--line) 60%,transparent); background: color-mix(in srgb,var(--page) 93%,transparent); backdrop-filter: blur(16px); }
.brand { display: inline-flex; width: fit-content; align-items: center; gap: 11px; }
.brand-mark { display: grid; width: 36px; height: 36px; place-items: center; border: 1px solid var(--accent-strong); border-radius: 10px; background: var(--accent); color: #fff; font-size: 20px; font-weight: 900; }
.brand-type { display: grid; line-height: 1.35; }
.brand-type strong { font-size: 12px; letter-spacing: 2px; }
.brand-type small { margin-top: 3px; color: var(--subtle); font-size: 8px; letter-spacing: 1.45px; }
.main-nav { display: flex; align-items: center; gap: 5px; }
.nav-link { padding: 9px 13px; border-radius: 6px; color: var(--muted); font-size: 12px; font-weight: 600; transition: color .16s,background .16s; }
.nav-link:hover,.nav-link.active { background: var(--surface-raised); color: var(--text); }
.nav-link.active { box-shadow: inset 0 -2px var(--accent-strong); }
.nav-link:focus-visible { outline: 2px solid var(--accent-strong); outline-offset: 2px; }
.header-actions { display: flex; align-items: center; justify-self: end; gap: 10px; }
.header-secondary,.header-download { display: inline-flex; min-height: 38px; align-items: center; justify-content: center; gap: 9px; padding: 0 13px; border: 1px solid var(--line); border-radius: 6px; font-size: 11px; font-weight: 700; white-space: nowrap; }
.header-secondary { color: var(--muted); }
.header-download { border-color: var(--accent); background: var(--accent); color: #fff; }
.header-secondary:hover { background: var(--surface-raised); color: var(--text); }
.platform-menu { position: relative; }
.platform-menu summary { cursor: pointer; list-style: none; }
.platform-menu summary::-webkit-details-marker { display: none; }
.platform-menu[open] summary { background: var(--surface-raised); color: var(--text); }
.platform-menu-panel { position: absolute; top: calc(100% + 10px); right: 0; display: grid; width: 260px; gap: 6px; padding: 8px; border: 1px solid var(--line); border-radius: 9px; background: var(--surface); box-shadow: 0 12px 32px #08051155; }
.platform-menu-panel a { display: block; padding: 10px 12px; border-radius: 5px; font-size: 12px; font-weight: 650; }
.platform-menu-panel a:hover { background: var(--surface-raised); }
.platform-menu-panel a>span { float: right; color: var(--accent-soft); }
.platform-menu-panel small { display: block; margin-top: 3px; color: var(--muted); font-size: 10px; font-weight: 400; }
.header-download:hover,.network-button:hover { filter: brightness(1.1); }
.mobile-menu { display: none; }
.theme-toggle { min-height: 36px; padding: 5px 9px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); color: var(--muted); font-size: 10px; white-space: nowrap; cursor: pointer; }
.theme-toggle:hover { background: var(--surface-raised); color: var(--text); }
.hero { position: relative; width: min(var(--content),calc(100% - 64px)); margin: 0 auto; padding: 76px 0 31px; }
.hero-inner { position: relative; display: grid; min-height: 440px; grid-template-columns: minmax(0,.92fr) minmax(0,1.08fr); align-items: center; gap: 48px; }
.hero-copy { position: relative; z-index: 2; max-width: 490px; padding: 12px 0 28px; }
.eyebrow { display: flex; align-items: center; gap: 9px; margin: 0 0 15px; color: var(--accent-soft); font-size: 10px; font-weight: 750; letter-spacing: 1.15px; }
.status-dot,.caption-dot { width: 8px; height: 8px; flex: 0 0 auto; border-radius: 50%; background: var(--accent-strong); box-shadow: 0 0 13px #9277ffb0; }
h1,h2,h3,p,figure { margin-top: 0; }
h1 { margin-bottom: 18px; font-size: clamp(37px,4.2vw,53px); font-weight: 800; letter-spacing: -.8px; line-height: 1.24; }
h1 span,h2 span { color: var(--accent-soft); }
.hero-lead { max-width: 420px; margin-bottom: 24px; color: var(--muted); font-size: 14px; line-height: 1.9; }
.hero-actions { display: flex; align-items: center; gap: 19px; flex-wrap: wrap; }
.download-button { display: inline-flex; min-width: 232px; min-height: 64px; flex-direction: column; align-items: center; justify-content: center; padding: 8px 17px; border: 2px solid var(--accent-strong); border-radius: 5px; background: var(--accent); box-shadow: inset 0 0 0 2px #ffffff24,0 6px 18px #110a2940; color: #fff; line-height: 1.35; text-align: center; transition: filter .16s,transform .16s; }
.download-button:hover { filter: brightness(1.12); transform: translateY(-2px); }
.download-button span { font-size: 14px; font-weight: 800; }
.download-button span b { margin-left: 8px; font-size: 16px; }
.download-button small { margin-top: 2px; color: #f0eaffd9; font-size: 9px; }
.text-link { color: var(--accent-soft); font-size: 11px; font-weight: 650; }
.text-link span { margin-left: 4px; }
.text-link:hover { color: var(--text); }
.hero-facts { display: flex; gap: 17px; flex-wrap: wrap; margin-top: 23px; color: var(--muted); font-size: 10px; }
.hero-facts i { margin-right: 4px; color: var(--accent-strong); font-style: normal; }
.launcher-preview { position: relative; z-index: 1; min-width: 0; margin: 0; padding: 8px; border: 1px solid var(--line); border-radius: 12px; background: linear-gradient(145deg,var(--surface-raised),var(--surface)); box-shadow: 0 24px 75px #0805118c,0 0 45px #825bff13; transform: rotate(1deg); }
.preview-window { overflow: hidden; border: 1px solid color-mix(in srgb,var(--line) 62%,transparent); border-radius: 5px; background: #090711; }
.preview-window img { display: block; width: 100%; height: auto; }
.preview-window picture { display: block; }
.launcher-preview figcaption { display: flex; justify-content: space-between; gap: 10px; padding: 10px 5px 2px; color: var(--subtle); font-size: 9px; letter-spacing: 1px; }
.launcher-preview figcaption>span:first-child { display: flex; align-items: center; gap: 7px; }
.caption-dot { width: 6px; height: 6px; }
.hero-spark { position: absolute; color: var(--accent-strong); opacity: .55; pointer-events: none; }
.spark-one { top: 9%; right: 4%; font-size: 35px; }
.spark-two { right: 47%; bottom: 1%; font-size: 26px; }
.scroll-hint { display: flex; width: fit-content; align-items: center; gap: 12px; margin: 27px auto 0; color: var(--subtle); font-size: 10px; }
.scroll-line { width: 55px; height: 1px; background: var(--line); }
.scroll-hint:hover { color: var(--accent-soft); }
.section-wrap { width: min(var(--content),calc(100% - 64px)); margin-right: auto; margin-left: auto; }
.feature-section { padding-top: 77px; padding-bottom: 83px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 27px; }
.section-heading h2,.faq-heading h2 { margin: 0; font-size: clamp(26px,3vw,34px); font-weight: 780; letter-spacing: -.4px; line-height: 1.45; }
.section-intro { max-width: 300px; margin: 0 0 4px; color: var(--muted); font-size: 11px; line-height: 1.9; }
.feature-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
.feature-card { position: relative; display: flex; min-height: 0; flex-direction: column; align-items: flex-start; overflow: hidden; padding: 20px 23px; border: 1px solid var(--line); border-radius: 9px; background: linear-gradient(150deg,color-mix(in srgb,var(--surface-raised) 76%,transparent),var(--surface)); }
.feature-card:hover { border-color: var(--accent-strong); }
.card-topline { display: flex; width: 100%; align-items: center; justify-content: space-between; margin-bottom: 0; color: var(--subtle); font-size: 9px; font-weight: 700; letter-spacing: .6px; }
.card-glyph { display: grid; width: 30px; height: 30px; place-items: center; border: 1px solid var(--line); border-radius: 7px; background: var(--surface-pixel); color: var(--accent-soft); font-size: 16px; }
.feature-card h3 { margin: 12px 0 7px; font-size: 15px; font-weight: 720; }
.feature-card p { max-width: 460px; margin: 0; color: var(--muted); font-size: 11px; line-height: 1.85; }
.feature-card>a { margin-top: auto; padding-top: 14px; color: var(--accent-soft); font-size: 10px; font-weight: 650; }
.feature-card>a span { margin-left: 5px; }
.feature-card>a:hover { color: var(--text); }
.version-stack { position: absolute; right: 23px; bottom: 22px; display: grid; width: 130px; gap: 5px; transform: rotate(-4deg); }
.version-stack span { padding: 6px 9px; border: 1px solid #9a85e988; background: #151121eF; box-shadow: 0 3px 9px #09071188; color: #e8e0ff; font-size: 9px; font-weight: 650; }
.version-stack span:first-child { background: #4c3695; }
.feature-card-large>div:nth-child(2) { position: relative; z-index: 1; max-width: calc(100% - 150px); }
.feature-card-large>a { position: relative; z-index: 1; }
.network-section { padding: 65px 32px; border-top: 1px solid color-mix(in srgb,var(--line) 48%,transparent); border-bottom: 1px solid color-mix(in srgb,var(--line) 48%,transparent); background: linear-gradient(120deg,color-mix(in srgb,var(--surface-raised) 88%,transparent),color-mix(in srgb,var(--surface) 76%,transparent)); }
.network-inner { display: grid; width: min(var(--content) - 64px,100%); grid-template-columns: 1fr .9fr; align-items: center; gap: 60px; margin: 0 auto; }
.network-copy h2 { margin-bottom: 13px; font-size: clamp(27px,3vw,36px); line-height: 1.42; }
.network-copy>p:not(.eyebrow):not(.network-note) { max-width: 440px; margin-bottom: 20px; color: var(--muted); font-size: 12px; line-height: 1.9; }
.network-actions { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.network-button { display: inline-flex; min-height: 41px; align-items: center; gap: 13px; padding: 0 14px; border: 1px solid var(--accent-strong); border-radius: 6px; background: var(--accent); color: #fff; font-size: 11px; font-weight: 750; }
.network-note { margin: 16px 0 0; color: var(--subtle); font-size: 9px; }
.network-visual { position: relative; display: grid; min-height: 260px; place-items: center; overflow: hidden; border: 1px solid color-mix(in srgb,var(--line) 65%,transparent); border-radius: 12px; background: radial-gradient(ellipse at center,color-mix(in srgb,var(--accent) 18%,var(--surface)),var(--page) 72%); }
.network-orbit { position: absolute; border: 1px solid color-mix(in srgb,var(--accent-strong) 48%,transparent); border-radius: 50%; }
.orbit-outer { width: 205px; height: 205px; }
.orbit-inner { width: 128px; height: 128px; border-style: dashed; opacity: .7; }
.network-hub { position: relative; z-index: 2; display: grid; width: 82px; height: 82px; align-content: center; justify-items: center; border: 1px solid var(--accent-strong); border-radius: 17px; background: var(--surface-raised); box-shadow: 0 0 44px #825bff35; color: var(--accent-soft); transform: rotate(-7deg); }
.network-hub>span { font-size: 27px; line-height: 1.1; }
.network-hub small { font-size: 8px; transform: rotate(7deg); }
.network-player { position: absolute; z-index: 3; display: grid; width: 35px; height: 35px; place-items: center; border: 1px solid var(--accent-strong); border-radius: 9px; background: var(--surface-pixel); color: var(--text); font-size: 12px; font-weight: 800; }
.player-one { top: 31%; left: 24%; }
.player-two { right: 23%; bottom: 30%; }
.network-link { position: absolute; z-index: 1; width: 82px; height: 1px; background: var(--accent-strong); box-shadow: 0 0 9px var(--accent-strong); }
.link-one { top: 42%; left: 34%; transform: rotate(22deg); }
.link-two { right: 34%; bottom: 42%; transform: rotate(22deg); }
.network-caption { position: absolute; bottom: 14px; color: var(--subtle); font-size: 9px; letter-spacing: .8px; }
.guide-section { padding-top: 80px; padding-bottom: 67px; }
.guide-steps { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; }
.guide-steps article { display: flex; gap: 14px; padding: 17px 16px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.guide-steps article>div { display: flex; min-width: 0; flex-direction: column; align-items: flex-start; }
.step-number { color: var(--accent-strong); font-family: Consolas,monospace; font-size: 17px; font-weight: 800; }
.guide-steps h3 { margin: 0 0 7px; font-size: 12px; }
.guide-steps p { margin: 0 0 9px; color: var(--muted); font-size: 10px; line-height: 1.75; }
.guide-steps a { margin-top: auto; color: var(--accent-soft); font-size: 9px; font-weight: 650; }
.guide-steps a:hover { color: var(--text); }
.guide-download-link { margin-bottom: 4px; white-space: nowrap; }
.download-section { display: flex; min-height: 172px; align-items: center; justify-content: space-between; gap: 24px; margin-top: 8px; margin-bottom: 75px; padding: 27px 34px; border: 1px solid var(--accent-strong); border-radius: 10px; background: linear-gradient(105deg,color-mix(in srgb,var(--accent) 30%,var(--surface)),var(--surface-raised) 80%); }
.download-section .eyebrow { margin-bottom: 5px; }
.download-section h2 { margin: 0 0 5px; font-size: 22px; }
.download-section p:last-child { margin: 0; color: var(--muted); font-size: 11px; }
.faq-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 55px; padding-bottom: 79px; }
.faq-heading>a { display: inline-block; margin-top: 19px; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list details:first-child { border-top: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 14px 27px 14px 0; cursor: pointer; font-size: 12px; font-weight: 650; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { position: absolute; right: 3px; color: var(--accent-soft); content: "+"; font-size: 16px; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { margin: 0; padding: 0 22px 14px 0; color: var(--muted); font-size: 10px; line-height: 1.8; }
.site-footer { display: grid; width: min(var(--content),calc(100% - 64px)); grid-template-columns: 1fr auto; gap: 17px 25px; align-items: center; margin: 0 auto; padding: 21px 0 25px; border-top: 1px solid var(--line); }
.footer-brand { justify-self: start; }
.footer-brand .brand-mark { width: 30px; height: 30px; font-size: 16px; }
.footer-brand .brand-type strong { font-size: 10px; }
.footer-brand .brand-type small { font-size: 7px; }
.site-footer nav { display: flex; align-items: center; justify-content: flex-end; gap: 18px; flex-wrap: wrap; color: var(--muted); font-size: 10px; }
.site-footer nav a:hover { color: var(--accent-soft); }
.site-footer>p { grid-column: 1 / -1; margin: 0; color: var(--subtle); font-size: 9px; }
a:focus-visible,button:focus-visible,summary:focus-visible { outline: 3px solid var(--accent-soft); outline-offset: 3px; }

@media(max-width:900px) {
  :root { --content: 760px; }
  .site-header { grid-template-columns: 1fr auto; gap: 12px; padding-block: 11px; }
  .main-nav { grid-column: 1 / -1; grid-row: 2; justify-content: center; }
  .header-actions { grid-column: 2; grid-row: 1; }
  .feature-card-large>div:nth-child(2) { max-width: 100%; }
  .version-stack { display: none; }
  .hero { padding-top: 50px; }
  .hero-inner { grid-template-columns: 1fr; gap: 28px; }
  .hero-copy { max-width: 590px; padding-bottom: 0; }
  .launcher-preview { width: min(100%,650px); justify-self: center; }
  .spark-one { top: 4%; right: 5%; }
  .spark-two { display: none; }
  .network-inner { grid-template-columns: 1fr; gap: 29px; }
  .network-visual { min-height: 240px; }
}
@media(max-width:560px) {
  :root { --content: 100%; }
  html { scroll-padding-top: 112px; }
  .hero,.section-wrap,.site-footer { width: calc(100% - 36px); }
  .site-header { min-height: 0; gap: 10px; padding-inline:18px; }
  .brand { gap: 8px; }
  .brand-mark { width: 32px; height: 32px; font-size: 18px; }
  .brand-type strong { font-size: 10px; }
  .brand-type small { font-size: 7px; letter-spacing: 1px; }
  .header-actions { gap: 7px; }
  .header-secondary { min-height: 34px; gap: 4px; padding: 0 7px; font-size: 10px; }
  .platform-menu-panel { right: -110px; width: min(260px,calc(100vw - 36px)); }
  .header-download { min-height: 34px; gap: 6px; padding: 0 9px; font-size: 10px; }
  .main-nav { justify-content: space-between; gap: 0; }
  .nav-link { padding: 7px 10px; font-size: 10px; }
  .theme-toggle { min-height: 32px; padding: 4px 7px; font-size: 9px; }
  .hero { padding-top: 38px; }
  .hero-inner { min-height: 0; gap: 24px; }
  .hero-copy { padding-top: 0; }
  .eyebrow { margin-bottom: 11px; font-size: 9px; }
  h1 { margin-bottom: 14px; font-size: 35px; }
  .hero-lead { font-size: 12px; }
  .hero-actions { gap: 14px; }
  .download-button { min-width: 206px; min-height: 59px; }
  .download-button span { font-size: 12px; }
  .hero-facts { gap: 11px; font-size: 9px; }
  .launcher-preview { padding: 5px; }
  .launcher-preview figcaption { font-size: 7px; }
  .hero-spark { display: none; }
  .scroll-hint { margin-top: 21px; }
  .feature-section { padding-top: 53px; padding-bottom: 54px; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 9px; margin-bottom: 19px; }
  .section-heading h2,.faq-heading h2 { font-size: 25px; }
  .section-intro { max-width: 100%; }
  .feature-grid { grid-template-columns: 1fr; gap: 10px; }
  .feature-card { padding: 17px; }
  .feature-card-large>div:nth-child(2) { max-width: 100%; }
  .feature-card h3 { font-size: 14px; }
  .version-stack { position: static; display: flex; flex-wrap: wrap; width: auto; gap: 6px; margin-top: 12px; transform: none; order: 1; }
  .version-stack span { padding: 3px 7px; font-size: 8px; box-shadow: none; }
  .network-section { padding: 43px 18px; }
  .network-inner { width: 100%; gap: 22px; }
  .network-copy h2 { font-size: 27px; }
  .network-visual { min-height: 213px; }
  .orbit-outer { width: 170px; height: 170px; }
  .orbit-inner { width: 105px; height: 105px; }
  .player-one { left: 18%; }
  .player-two { right: 17%; }
  .link-one { left: 30%; width: 69px; }
  .link-two { right: 30%; width: 69px; }
  .guide-section { padding-top: 54px; padding-bottom: 47px; }
  .section-heading:has(.guide-download-link) { flex-direction: row; align-items: end; }
  .guide-steps { grid-template-columns: 1fr; gap: 8px; }
  .guide-steps article { min-height: 0; padding: 14px; }
  .download-section { min-height: 0; align-items: flex-start; flex-direction: column; margin-bottom: 53px; padding: 20px; }
  .download-section h2 { font-size: 20px; }
  .faq-section { grid-template-columns: 1fr; gap: 20px; padding-bottom: 52px; }
  .site-footer { grid-template-columns: 1fr; gap: 15px; }
  .site-footer nav { justify-content: flex-start; gap: 10px 16px; }
  .site-footer>p { grid-column: auto; }
}
@media(max-width:390px) {
  .brand-type small { display: none; }
  .header-actions { gap: 4px; }
  .header-download { padding: 0 7px; font-size: 9px; }
  .header-secondary { padding: 0 6px; font-size: 9px; }
}
@media(prefers-reduced-motion:reduce) {
  html { scroll-behavior: auto; }
  *,*::before,*::after { scroll-behavior: auto!important; transition-duration: .01ms!important; }
}