:root {
  color-scheme: dark;
  font-family: "Segoe UI", "Microsoft YaHei UI", sans-serif;
  background: #080b0a;
  color: #edf5f1;
}

* { box-sizing: border-box; }
html { background: #080b0a; }
body { margin: 0; min-width: 0; background: #080b0a; }
button, a { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: default; opacity: .42; }
.site-header {
  position: relative;
  z-index: 5;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 4vw, 58px);
  border-bottom: 1px solid #203029;
  background: #0a100d;
}
.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: #eff8f3;
  text-decoration: none;
}
.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid #268558;
  border-radius: 5px;
  background: #0a1e15;
  color: #54eba5;
  font: 700 11px Consolas, monospace;
}
.brand-lockup strong { display: block; font-size: 12px; }
.brand-lockup small { display: block; margin-top: 2px; color: #64776e; font: 9px Consolas, monospace; }
.channel-state { color: #718179; font: 10px Consolas, monospace; }
.channel-state span {
  width: 7px;
  height: 7px;
  display: inline-block;
  margin-right: 8px;
  border-radius: 50%;
  background: #4fe09b;
  box-shadow: 0 0 10px #2ecf82;
}
.hero {
  position: relative;
  height: min(650px, calc(100svh - 122px));
  min-height: 500px;
  overflow: hidden;
  border-bottom: 1px solid #203029;
  background: #09100d;
}
.hero-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: .64;
}
.hero-shade {
  position: absolute;
  inset: 0;
  background: rgba(3, 7, 5, .56);
}
.hero-content {
  position: relative;
  z-index: 2;
  width: min(1320px, calc(100% - 40px));
  height: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 0 0 clamp(58px, 9vh, 94px);
}
.eyebrow { margin: 0; color: #53e9a3; font: 700 10px Consolas, monospace; }
h1 {
  max-width: 100%;
  margin: 13px 0 0;
  font-size: clamp(48px, 8vw, 104px);
  line-height: .95;
  letter-spacing: 0;
  text-shadow: 0 3px 28px #000;
}
.hero-copy { margin: 20px 0 0; color: #c0cbc5; font-size: clamp(14px, 2vw, 18px); }
.release-line {
  min-height: 24px;
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 21px;
  color: #91a29a;
  font: 11px Consolas, monospace;
}
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: #4fe09b; box-shadow: 0 0 9px #2ecf82; }
.status-dot.loading { background: #7d8c85; box-shadow: none; }
.status-dot.error { background: #d86e72; box-shadow: none; }
.download-button {
  min-width: 230px;
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  margin-top: 18px;
  padding: 0 20px;
  border: 1px solid #4be09a;
  border-radius: 5px;
  background: #4be09a;
  color: #06110c;
  font-weight: 750;
  text-decoration: none;
  transition: background-color .16s ease, border-color .16s ease;
}
.download-button:hover { border-color: #6aebb0; background: #6aebb0; }
.download-button[aria-disabled="true"] { pointer-events: none; border-color: #405149; background: #26332d; color: #7c8c84; }
.download-icon { font-size: 20px; line-height: 1; }
.platform-note { margin: 12px 0 0; color: #6c7c74; font: 10px Consolas, monospace; }
.release-band { border-bottom: 1px solid #25312c; background: #101512; }
.section-inner { width: min(1320px, calc(100% - 40px)); margin: 0 auto; padding: 30px 0 66px; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; }
h2 { margin: 10px 0 0; font-size: clamp(28px, 4vw, 44px); letter-spacing: 0; }
.release-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 38px;
  border-top: 1px solid #2a3731;
  border-bottom: 1px solid #2a3731;
}
.release-metrics div { min-width: 0; padding: 22px 24px 22px 0; }
.release-metrics div + div { padding-left: 24px; border-left: 1px solid #2a3731; }
.release-metrics span, .checksum-row span { display: block; color: #62736a; font: 9px Consolas, monospace; }
.release-metrics strong { display: block; margin-top: 9px; font: 700 15px Consolas, monospace; overflow-wrap: anywhere; }
#release-uptime { color: #62dba0; }
.checksum-row {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0 0;
}
.checksum-row div { min-width: 0; }
.checksum-row code { display: block; margin-top: 9px; color: #afbeb6; font: 11px/1.65 Consolas, monospace; overflow-wrap: anywhere; }
.icon-button {
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  border: 1px solid #35423c;
  border-radius: 5px;
  background: #17201c;
  color: #c5d2cc;
}
.icon-button:not(:disabled):hover { border-color: #4ca87b; color: #5cebaa; }
.site-footer {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 clamp(20px, 4vw, 58px);
  color: #5c6b64;
  background: #080b0a;
  font: 10px Consolas, monospace;
}
noscript { display: block; padding: 12px 20px; color: #e5989d; background: #261618; text-align: center; }

@media (max-width: 700px) {
  .site-header { height: 58px; padding: 0 16px; }
  .channel-state { max-width: 118px; text-align: right; line-height: 1.4; }
  .hero { height: min(610px, calc(100svh - 118px)); min-height: 460px; }
  .hero-media { object-position: 39% center; opacity: .48; }
  .hero-shade { background: rgba(3, 7, 5, .66); }
  .hero-content { width: calc(100% - 32px); padding-bottom: 52px; }
  h1 { font-size: clamp(46px, 16vw, 68px); }
  .download-button { width: 100%; min-width: 0; }
  .section-inner { width: calc(100% - 32px); padding: 26px 0 52px; }
  .release-metrics { grid-template-columns: 1fr; }
  .release-metrics div { padding: 18px 0; }
  .release-metrics div + div { padding-left: 0; border-top: 1px solid #2a3731; border-left: 0; }
  .checksum-row { align-items: flex-end; }
  .site-footer { min-height: 84px; align-items: flex-start; flex-direction: column; justify-content: center; gap: 7px; padding: 18px 16px; }
}

@media (prefers-reduced-motion: reduce) {
  .download-button { transition: none; }
}