:root {
  color-scheme: light;
  --ink: #123c5d;
  --ink-strong: #082f4f;
  --muted: #657b8c;
  --line: #d8e5ed;
  --line-strong: #bfd3df;
  --paper: #ffffff;
  --mist: #f4f9fc;
  --ice: #e9f5fa;
  --blue: #0d5f91;
  --blue-dark: #094b75;
  --cyan: #21b8d1;
  --cyan-soft: #dff7fa;
  --green: #18876c;
  --amber: #b96a16;
  --coral: #c44838;
  --shadow: 0 22px 58px rgba(24, 78, 108, 0.14);
  font-family: Inter, "Segoe UI", "Microsoft YaHei UI", sans-serif;
  font-size: 16px;
  letter-spacing: 0;
}

* { box-sizing: border-box; }
html { min-width: 320px; scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; background: var(--paper); color: var(--ink-strong); }
a { color: inherit; text-decoration: none; }
button { font: inherit; letter-spacing: 0; }
code { font-family: "Cascadia Code", Consolas, monospace; }

.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  padding: 0 max(24px, calc((100vw - 1180px) / 2));
  border-bottom: 1px solid rgba(187, 211, 224, 0.72);
  background: rgba(255, 255, 255, 0.9);
  color: var(--ink-strong);
  transition: box-shadow 180ms ease, background 180ms ease;
}

.site-header.scrolled { background: rgba(255, 255, 255, 0.97); box-shadow: 0 8px 24px rgba(25, 73, 100, 0.09); }
.brand { display: inline-flex; align-items: center; gap: 11px; min-width: 0; }
.brand-logo-frame { position: relative; flex: 0 0 38px; width: 38px; height: 38px; overflow: hidden; border: 1px solid #c7e0eb; border-radius: 6px; background: #fff; }
.brand-logo-frame img { position: absolute; top: -2px; left: -23px; width: 84px; max-width: none; }
.brand-copy { display: grid; gap: 2px; min-width: 0; }
.brand-copy strong { font-size: 14px; line-height: 1.1; }
.brand-copy small { color: #5e8298; font-size: 10px; font-weight: 650; }
.site-header nav { display: flex; align-items: center; gap: 28px; font-size: 13px; font-weight: 650; }
.site-header nav a { color: #466b82; transition: color 140ms ease; }
.site-header nav a:hover, .site-header nav a:focus-visible { color: var(--blue); }

.hero {
  position: relative;
  min-height: min(820px, 82vh);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: #f7fbfd;
  color: var(--ink-strong);
}

.hero-brand-art {
  position: absolute;
  top: 80px;
  right: max(-54px, calc((100vw - 1320px) / 2));
  width: min(560px, 48vw);
  height: auto;
  opacity: 0;
  filter: saturate(0.92);
  transform: translateY(18px) scale(0.98);
  transition: opacity 700ms ease, transform 900ms ease;
}

.console-scene {
  --scene-x: 0px;
  --scene-y: 0px;
  --scene-tilt: -3deg;
  position: absolute;
  z-index: 1;
  top: 142px;
  right: max(-72px, calc((100vw - 1460px) / 2));
  width: min(820px, 63vw);
  height: min(535px, calc(82vh - 176px));
  min-height: 445px;
  display: grid;
  grid-template: 62px 1fr / 182px 1fr;
  overflow: hidden;
  border: 1px solid #c8dce7;
  border-radius: 7px;
  background: #f8fbfc;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: perspective(1400px) translate3d(calc(var(--scene-x) + 24px), calc(var(--scene-y) + 16px), 0) rotateY(var(--scene-tilt));
  transform-origin: right center;
  transition: opacity 650ms ease 120ms, transform 650ms ease 120ms;
}

.site-ready .hero-brand-art { opacity: 0.14; transform: translateY(0) scale(1); }
.site-ready .console-scene { opacity: 1; transform: perspective(1400px) translate3d(var(--scene-x), var(--scene-y), 0) rotateY(var(--scene-tilt)); }

.console-topbar { grid-column: 1 / -1; display: flex; align-items: center; gap: 10px; padding: 0 18px; border-bottom: 1px solid #dce8ee; background: #fff; color: var(--ink-strong); }
.console-mark { position: relative; width: 32px; height: 32px; overflow: hidden; border: 1px solid #c8e0e9; border-radius: 5px; background: #fff; }
.console-mark img { position: absolute; top: -1px; left: -19px; width: 70px; max-width: none; }
.console-title { font-size: 13px; font-weight: 750; }
.console-health { display: flex; align-items: center; gap: 7px; margin-left: auto; color: #4c778c; font-size: 11px; }
.console-health i { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgba(24, 135, 108, 0.11); animation: status-pulse 2.8s ease-in-out infinite; }
.console-sidebar { display: flex; flex-direction: column; gap: 5px; padding: 28px 13px; border-right: 1px solid #dbe7ed; background: #eef7fa; color: #5c7685; }
.console-sidebar span { padding: 12px 14px; border-left: 3px solid transparent; border-radius: 0 5px 5px 0; font-size: 12px; font-weight: 650; }
.console-sidebar .active { border-left-color: var(--cyan); background: #fff; color: var(--blue-dark); box-shadow: 0 5px 14px rgba(32, 96, 126, 0.07); }
.console-content { min-width: 0; padding: 50px 54px; color: var(--ink-strong); }
.console-content > small { display: block; margin-bottom: 7px; color: var(--cyan); font-size: 10px; font-weight: 850; }
.console-content > strong { display: block; margin-bottom: 26px; font-size: 24px; }
.console-segment { display: grid; grid-template-columns: 1fr 1fr; width: 365px; max-width: 100%; padding: 3px; border: 1px solid #d2e2e9; border-radius: 6px; background: #edf4f7; }
.console-segment span { display: grid; place-items: center; min-height: 34px; color: #6a808c; font-size: 12px; }
.console-segment .selected { border-radius: 4px; background: #fff; color: var(--blue); box-shadow: 0 2px 7px rgba(29, 81, 106, 0.11); }
.console-fields { display: grid; grid-template-columns: 1fr 1.55fr; gap: 17px; margin-top: 25px; }
.console-fields label { display: grid; min-width: 0; gap: 7px; }
.console-fields span { color: #4c6675; font-size: 11px; font-weight: 650; }
.console-fields b { height: 40px; padding: 12px; overflow: hidden; border: 1px solid #bfd3df; border-radius: 5px; background: #fff; color: #466171; font-size: 11px; font-weight: 500; white-space: nowrap; }
.console-rule { margin: 36px 0 26px; border-top: 1px solid #d9e7ed; }
.console-image-row { display: flex; align-items: center; justify-content: space-between; }
.console-image-row > strong { font-size: 14px; }
.console-image-row > span { display: flex; align-items: center; gap: 8px; color: #4c6877; font-size: 11px; }
.console-image-row i { position: relative; width: 36px; height: 21px; border-radius: 11px; background: var(--cyan); }
.console-image-row i::after { position: absolute; top: 3px; right: 3px; width: 15px; height: 15px; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(26, 74, 96, 0.2); content: ""; }

.hero-overlay { position: relative; z-index: 2; min-height: inherit; background: rgba(247, 251, 253, 0.26); }
.hero-copy { width: min(1180px, calc(100% - 48px)); margin: 0 auto; padding-top: min(210px, 22vh); opacity: 0; transform: translateY(16px); transition: opacity 600ms ease 80ms, transform 700ms ease 80ms; }
.site-ready .hero-copy { opacity: 1; transform: translateY(0); }
.eyebrow { display: flex; align-items: center; gap: 9px; margin: 0 0 18px; color: #437690; font-size: 12px; font-weight: 800; }
.eyebrow span { width: 9px; height: 9px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 5px rgba(33, 184, 209, 0.12); }
.hero h1 { max-width: 690px; margin: 0; color: var(--ink-strong); font-size: 78px; line-height: 1.03; letter-spacing: 0; }
.hero-summary { max-width: 590px; margin: 23px 0 0; color: #4f7185; font-size: 19px; line-height: 1.72; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-meta { min-height: 22px; margin: 15px 0 0; color: #718999; font-size: 12px; }

.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 20px; border: 1px solid transparent; border-radius: 5px; font-weight: 750; transition: background 150ms ease, border-color 150ms ease, color 150ms ease, transform 150ms ease, box-shadow 150ms ease; }
.button.primary { background: var(--blue); color: #fff; box-shadow: 0 10px 24px rgba(13, 95, 145, 0.2); }
.button.primary:hover, .button.primary:focus-visible { background: var(--blue-dark); transform: translateY(-1px); box-shadow: 0 13px 28px rgba(13, 95, 145, 0.24); }
.button.secondary { border-color: #aecbd9; background: rgba(255, 255, 255, 0.76); color: var(--blue-dark); }
.button.secondary:hover, .button.secondary:focus-visible { border-color: var(--cyan); background: #fff; transform: translateY(-1px); }
.button.disabled { background: #9bacb5; color: #eef3f5; box-shadow: none; cursor: not-allowed; pointer-events: none; }

.section-inner { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.section-label { margin: 0 0 8px; color: var(--cyan); font-size: 11px; font-weight: 850; }
.section-heading h2, .release-band h2 { margin: 0; color: var(--ink-strong); font-size: 30px; line-height: 1.25; }
[data-reveal-section] > .section-inner { opacity: 0; transform: translateY(18px); transition: opacity 560ms ease, transform 620ms ease; }
[data-reveal-section].revealed > .section-inner { opacity: 1; transform: translateY(0); }

.release-band { scroll-margin-top: 68px; border-bottom: 1px solid var(--line); background: #eaf5f9; }
.release-layout { display: grid; grid-template-columns: 0.85fr 1.5fr auto; align-items: center; gap: 50px; min-height: 190px; padding-top: 30px; padding-bottom: 30px; }
.release-status { margin: 12px 0 0; color: var(--muted); font-size: 13px; }
.release-status.preview { color: var(--amber); }
.release-status.error { color: var(--coral); }
.release-facts { display: grid; grid-template-columns: repeat(3, minmax(90px, 1fr)); gap: 18px 28px; margin: 0; }
.release-facts div { min-width: 0; }
.release-facts dt { margin-bottom: 6px; color: var(--muted); font-size: 11px; }
.release-facts dd { margin: 0; font-size: 14px; font-weight: 750; }
.release-facts .checksum { grid-column: 1 / -1; }
.release-facts .checksum dd { overflow-wrap: anywhere; color: #456577; font-family: "Cascadia Code", Consolas, monospace; font-size: 11px; font-weight: 500; }
.release-action { display: grid; gap: 8px; min-width: 170px; }
.text-button { border: 0; background: transparent; color: var(--blue-dark); font-size: 12px; font-weight: 700; cursor: pointer; }

.workflow { padding: 96px 0 88px; background: #fff; }
.workflow .section-heading { margin-bottom: 48px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.steps li { display: grid; grid-template-columns: 42px 1fr; gap: 18px; min-width: 0; padding: 30px 28px 34px 0; border-bottom: 1px solid var(--line); }
.steps li + li { padding-left: 28px; border-left: 1px solid var(--line); }
.steps > li > span { color: var(--cyan); font-family: "Cascadia Code", Consolas, monospace; font-size: 13px; font-weight: 800; }
.steps h3 { margin: 0; color: var(--ink-strong); font-size: 17px; }
.steps p { margin: 11px 0 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.steps code { color: #315d74; font-size: 12px; overflow-wrap: anywhere; }
.setup-note { margin: 28px 0 0; padding: 13px 0 13px 18px; border-left: 3px solid var(--amber); color: #6f604c; font-size: 13px; line-height: 1.7; }

.capability-band { padding: 88px 0; border-top: 1px solid #cfe0e8; border-bottom: 1px solid #cfe0e8; background: #edf7fa; color: var(--ink-strong); }
.capability-layout { display: grid; grid-template-columns: 0.85fr 1.6fr; gap: 100px; }
.capability-list { border-top: 1px solid #c8dde7; }
.capability-list div { display: grid; grid-template-columns: 0.8fr 1.4fr; gap: 30px; padding: 24px 0; border-bottom: 1px solid #c8dde7; }
.capability-list strong { color: var(--blue-dark); font-size: 15px; }
.capability-list span { color: #5b7483; font-size: 14px; line-height: 1.65; }

.release-notes { scroll-margin-top: 68px; padding: 96px 0; background: #fff; }
.notes-layout { display: grid; grid-template-columns: 0.85fr 1.6fr; gap: 100px; }
.notes-date { margin: 12px 0 0; color: var(--muted); font-size: 13px; }
.notes-copy { border-top: 1px solid var(--line); }
.notes-copy h3 { margin: 32px 0 14px; color: var(--ink-strong); font-size: 16px; }
.notes-copy ul { margin: 0; padding-left: 20px; color: #536f80; }
.notes-copy li { margin: 8px 0; line-height: 1.7; }
.notes-copy li::marker { color: var(--cyan); }

footer { padding: 38px 0; border-top: 1px solid var(--line); background: var(--mist); }
.footer-layout { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 20px 40px; }
.footer-layout > div:first-child { display: grid; gap: 4px; }
.footer-layout strong { color: var(--ink-strong); font-size: 14px; }
.footer-layout span, .footer-layout p { color: var(--muted); font-size: 11px; }
.footer-links { display: flex; gap: 24px; font-size: 12px; }
.footer-links a:hover { color: var(--blue); }
.footer-layout p { grid-column: 1 / -1; margin: 0; }

@keyframes status-pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(24, 135, 108, 0.1); }
  50% { box-shadow: 0 0 0 8px rgba(24, 135, 108, 0.02); }
}

@media (max-width: 900px) {
  .console-scene { right: -280px; width: 820px; opacity: 0; }
  .site-ready .console-scene { opacity: 0.72; --scene-tilt: 0deg; }
  .hero-brand-art { right: -80px; width: 510px; }
  .hero-overlay { background: rgba(247, 251, 253, 0.58); }
  .hero h1 { font-size: 62px; }
  .release-layout { grid-template-columns: 1fr 1.4fr; gap: 30px; }
  .release-action { grid-column: 1 / -1; }
  .release-action .button { width: 100%; }
  .capability-layout, .notes-layout { grid-template-columns: 1fr; gap: 42px; }
}

@media (max-width: 680px) {
  .site-header { min-height: 60px; padding: 0 16px; }
  .brand-logo-frame { flex-basis: 36px; width: 36px; height: 36px; }
  .brand-copy small { display: none; }
  .site-header nav { gap: 15px; font-size: 12px; }
  .site-header nav a { display: inline-flex; align-items: center; min-height: 44px; }
  .site-header nav a:last-child { display: none; }
  .hero { min-height: 710px; }
  .hero-brand-art { top: 88px; right: -84px; width: 390px; opacity: 0; }
  .site-ready .hero-brand-art { opacity: 0.11; }
  .console-scene { top: 110px; right: -550px; height: 545px; opacity: 0; }
  .site-ready .console-scene { opacity: 0.42; }
  .hero-overlay { background: rgba(247, 251, 253, 0.73); }
  .hero-copy { width: calc(100% - 32px); padding-top: 145px; }
  .eyebrow { max-width: 270px; line-height: 1.5; }
  .hero h1 { font-size: 47px; overflow-wrap: anywhere; }
  .hero-summary { font-size: 17px; }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .section-inner { width: calc(100% - 32px); }
  .release-layout { grid-template-columns: 1fr; gap: 28px; padding-top: 44px; padding-bottom: 44px; }
  .release-facts { grid-template-columns: 1fr 1fr; }
  .release-facts .checksum { grid-column: 1 / -1; }
  .release-action { grid-column: auto; }
  .text-button { min-height: 44px; }
  .workflow, .release-notes { padding: 72px 0; }
  .steps { grid-template-columns: 1fr; }
  .steps li, .steps li + li { padding: 24px 0; border-left: 0; }
  .capability-band { padding: 72px 0; }
  .capability-list div { grid-template-columns: 1fr; gap: 9px; }
  .footer-layout { grid-template-columns: 1fr; align-items: start; }
  .footer-links { display: grid; gap: 10px; }
  .footer-layout p { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  [data-reveal-section] > .section-inner { opacity: 1; transform: none; }
}