:root {
  --ink: #f7f7fb;
  --ink-soft: #c3c5cf;
  --muted: #858996;
  --line: rgba(255, 255, 255, 0.10);
  --line-strong: rgba(255, 255, 255, 0.16);
  --paper: #111318;
  --paper-soft: #0d0f13;
  --canvas: #08090b;
  --violet: #8b5cf6;
  --violet-deep: #6d4aff;
  --cyan: #22d3ee;
  --coral: #fb7185;
  --success: #4adea3;
  --warning: #f5b955;
  --shadow-sm: 0 16px 44px rgba(0, 0, 0, 0.24);
  --shadow-lg: 0 36px 100px rgba(0, 0, 0, 0.42);
  --radius-sm: 14px;
  --radius-md: 24px;
  --radius-lg: 34px;
  --max: 1180px;
}

* { box-sizing: border-box; }

html {
  color-scheme: dark;
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--canvas);
  font-family: "Segoe UI Variable", "Segoe UI", "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  content: "";
  background:
    radial-gradient(circle at 50% -12%, rgba(126, 86, 255, 0.18), transparent 34rem),
    radial-gradient(circle at 12% 14%, rgba(34, 211, 238, 0.07), transparent 24rem),
    radial-gradient(circle at 88% 20%, rgba(251, 113, 133, 0.06), transparent 24rem),
    #08090b;
}

body::after {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: 0.19;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.026) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, #000, transparent 54rem);
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
h1, h2, h3, p { margin-top: 0; }

.skip-link {
  position: fixed;
  top: -80px;
  left: 20px;
  z-index: 300;
  padding: 10px 16px;
  color: #08090b;
  background: #fff;
  border-radius: 10px;
}

.skip-link:focus { top: 16px; }

.container {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 9, 11, 0.72);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(22px) saturate(135%);
  transition: background 220ms ease, border-color 220ms ease;
}

.site-header.is-scrolled {
  background: rgba(8, 9, 11, 0.9);
  border-bottom-color: var(--line);
}

.nav-wrap {
  min-height: 78px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
}

.brand-logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 13px;
  filter: drop-shadow(0 0 20px rgba(99, 102, 241, 0.28));
}

.brand-copy { display: grid; line-height: 1.12; }
.brand-copy strong { color: #fff; font-size: 15px; letter-spacing: 0.03em; }
.brand-copy span { margin-top: 5px; color: #777b87; font-family: Georgia, serif; font-size: 9px; letter-spacing: 0.09em; text-transform: uppercase; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  color: #b4b6c0;
  font-size: 14px;
}

.main-nav > a:not(.button) { position: relative; padding: 8px 0; transition: color 180ms ease; }
.main-nav > a:not(.button)::after { position: absolute; right: 0; bottom: 0; left: 0; height: 1px; content: ""; background: linear-gradient(90deg, var(--cyan), var(--violet)); transform: scaleX(0); transform-origin: center; transition: transform 180ms ease; }
.main-nav > a:not(.button):hover { color: #fff; }
.main-nav > a:not(.button):hover::after { transform: scaleX(1); }

.nav-toggle {
  position: relative;
  width: 42px;
  height: 42px;
  display: none;
  padding: 0;
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.nav-toggle::before,
.nav-toggle::after {
  position: absolute;
  left: 12px;
  width: 16px;
  height: 1px;
  content: "";
  background: currentColor;
  transition: transform 180ms ease, top 180ms ease;
}

.nav-toggle::before { top: 16px; box-shadow: 0 5px 0 currentColor; }
.nav-toggle::after { top: 26px; }
.nav-toggle[aria-expanded="true"]::before { top: 20px; box-shadow: none; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"]::after { top: 20px; transform: rotate(-45deg); }

.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 750;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button:hover { transform: translateY(-2px); }
.button-primary { color: #090a0c; background: #f7f7fa; box-shadow: 0 12px 36px rgba(255, 255, 255, 0.1); }
.button-primary:hover { background: #fff; box-shadow: 0 16px 46px rgba(255, 255, 255, 0.15); }
.button-secondary { color: #fff; background: rgba(255, 255, 255, 0.04); border-color: var(--line-strong); }
.button-secondary:hover { background: rgba(255, 255, 255, 0.08); border-color: rgba(255, 255, 255, 0.25); }
.arrow { transition: transform 180ms ease; }
.button:hover .arrow { transform: translateX(3px); }

.hero {
  position: relative;
  padding: 72px 0 50px;
  overflow: hidden;
}

.weave-motion {
  position: absolute;
  top: 12px;
  left: 50%;
  z-index: 0;
  width: min(1420px, 128vw);
  height: 560px;
  pointer-events: none;
  transform: translateX(-50%);
  opacity: 0.38;
  mask-image: linear-gradient(to bottom, transparent 1%, #000 18%, #000 72%, transparent 100%);
}

.weave-motion svg { width: 100%; height: 100%; overflow: visible; }
.weave-motion path { fill: none; stroke-linecap: round; stroke-linejoin: round; }
.weave-base { stroke-width: 3; opacity: 0.26; }
.weave-trace { stroke-width: 4; stroke-dasharray: 150 900; filter: url(#weave-glow); animation: weave-flow 12s linear infinite; }
.weave-violet { stroke: #8b5cf6; }
.weave-cyan { stroke: #22d3ee; }
.weave-coral { stroke: #fb4f73; }
.weave-trace.weave-cyan { animation-duration: 10s; animation-delay: -3s; }
.weave-trace.weave-coral { animation-duration: 14s; animation-delay: -7s; }

@keyframes weave-flow { to { stroke-dashoffset: -1050; } }

.hero::before {
  position: absolute;
  top: 34px;
  left: 50%;
  width: min(1480px, 124vw);
  height: 400px;
  content: "";
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 50%;
  box-shadow:
    0 -1px 0 rgba(139, 92, 246, 0.26),
    inset 0 16px 80px rgba(139, 92, 246, 0.04);
  transform: translateX(-50%) rotate(-4deg);
  filter: blur(0.2px);
  pointer-events: none;
}

.hero::after {
  position: absolute;
  top: 136px;
  left: 50%;
  width: min(1260px, 112vw);
  height: 270px;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.08) 48%, transparent);
  border-radius: 50%;
  filter: blur(34px);
  transform: translateX(-50%);
  pointer-events: none;
}

.hero-grid { position: relative; z-index: 1; display: grid; gap: 38px; }

.hero-copy {
  max-width: 1040px;
  margin: 0 auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  padding: 7px 13px 7px 10px;
  color: #c9cbd3;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.eyebrow-dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(74, 222, 163, 0.1), 0 0 18px rgba(74, 222, 163, 0.36);
}

h1 {
  max-width: 1050px;
  margin: 0 auto 26px;
  color: #fafafa;
  font-size: clamp(48px, 5.7vw, 76px);
  font-weight: 680;
  line-height: 1.06;
  letter-spacing: -0.065em;
  text-wrap: balance;
}

.gradient-text {
  color: transparent;
  background: linear-gradient(100deg, #f8f8fb 5%, #bfc7ff 40%, #a88aff 67%, #ff8a9e 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

.hero-lead {
  max-width: 760px;
  margin: 0 auto 22px;
  color: #9da0ab;
  font-size: clamp(16px, 1.7vw, 19px);
  line-height: 1.8;
  text-wrap: balance;
}

.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }

.trust-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 24px;
  margin-top: 20px;
  color: #757985;
  font-size: 12px;
}

.trust-row span::before { margin-right: 8px; color: var(--success); content: "✓"; }

.hero-visual {
  position: relative;
  width: min(100%, 1080px);
  min-height: 570px;
  margin: 0 auto;
}

.hero-visual::before {
  position: absolute;
  inset: -8% 7% 5%;
  content: "";
  background: radial-gradient(circle at 50% 40%, rgba(113, 78, 255, 0.24), rgba(34, 211, 238, 0.08) 38%, transparent 70%);
  border-radius: 50%;
  filter: blur(48px);
}

.workspace-shell {
  position: absolute;
  inset: 14px 0 24px;
  overflow: hidden;
  background: rgba(17, 19, 24, 0.94);
  border: 1px solid var(--line-strong);
  border-radius: 28px;
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.workspace-top {
  height: 62px;
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 0 20px;
  color: #d9dbe2;
  background: rgba(255, 255, 255, 0.018);
  border-bottom: 1px solid var(--line);
}

.window-dots { display: flex; gap: 7px; }
.window-dots i { width: 8px; height: 8px; background: #363944; border-radius: 50%; }
.workspace-brand { display: flex; align-items: center; gap: 9px; margin-right: auto; font-size: 12px; font-weight: 760; }
.workspace-brand img { width: 27px; height: 27px; border-radius: 8px; }
.status-chip { padding: 5px 10px; color: var(--success); background: rgba(74, 222, 163, 0.08); border: 1px solid rgba(74, 222, 163, 0.13); border-radius: 999px; font-size: 10px; font-weight: 800; }

.workspace-body { height: calc(100% - 62px); display: grid; grid-template-columns: 108px 1fr; }
.workspace-sidebar { padding: 20px 14px; background: #0d0f13; border-right: 1px solid var(--line); }
.side-pill { height: 50px; display: grid; place-items: center; margin-bottom: 10px; color: #6d707b; background: rgba(255, 255, 255, 0.025); border: 1px solid rgba(255, 255, 255, 0.045); border-radius: 13px; font-size: 10px; }
.side-pill.active { color: #d9d1ff; background: rgba(139, 92, 246, 0.13); border-color: rgba(139, 92, 246, 0.22); box-shadow: inset 3px 0 0 var(--violet); }
.workspace-main { padding: 26px; overflow: hidden; }
.workspace-title { display: flex; align-items: start; justify-content: space-between; gap: 18px; }
.workspace-title strong { display: block; color: #f4f4f7; font-size: 17px; }
.workspace-title span { color: #747783; font-size: 11px; }
.workspace-title .mini-button { padding: 7px 12px; color: #0a0b0d; background: #fff; border-radius: 9px; font-size: 9px; }
.progress-track { height: 58px; display: grid; grid-template-columns: repeat(5, 1fr); align-items: center; gap: 10px; margin: 23px 0; }
.progress-track i { position: relative; height: 4px; background: #24262e; border-radius: 999px; }
.progress-track i.done { background: linear-gradient(90deg, var(--cyan), var(--violet)); box-shadow: 0 0 14px rgba(34, 211, 238, 0.14); }
.progress-track i::after { position: absolute; top: 11px; left: 0; color: #686b76; font-size: 8px; font-style: normal; content: attr(data-label); }
.editor-grid { display: grid; grid-template-columns: 1.42fr 0.72fr; gap: 16px; }
.editor-panel, .preview-panel { min-height: 258px; padding: 18px; background: rgba(255, 255, 255, 0.018); border: 1px solid var(--line); border-radius: 18px; }
.line { height: 7px; margin-bottom: 11px; background: #272a32; border-radius: 99px; }
.line.accent { background: linear-gradient(90deg, rgba(34, 211, 238, 0.9), rgba(139, 92, 246, 0.9)); }
.line.w-80 { width: 80%; }
.line.w-64 { width: 64%; }
.line.w-42 { width: 42%; }
.timeline { height: 102px; display: grid; grid-template-columns: repeat(5, 1fr); align-items: end; gap: 8px; margin-top: 32px; padding: 12px; background: #0d0f13; border: 1px solid rgba(255, 255, 255, 0.04); border-radius: 14px; }
.timeline i { height: var(--h); background: linear-gradient(180deg, rgba(139, 92, 246, 0.86), rgba(34, 211, 238, 0.58)); border-radius: 7px 7px 3px 3px; }
.preview-panel { display: grid; place-items: center; background: linear-gradient(150deg, #11131a, #171528 62%, #20153d); }
.preview-video { width: 92px; aspect-ratio: 9/16; display: grid; place-items: center; color: #fff; background: linear-gradient(170deg, rgba(34, 211, 238, 0.82), rgba(109, 74, 255, 0.82) 50%, rgba(251, 113, 133, 0.82)); border: 4px solid rgba(255, 255, 255, 0.12); border-radius: 14px; box-shadow: 0 18px 50px rgba(109, 74, 255, 0.22); font-size: 10px; font-weight: 800; }

.floating-note {
  position: absolute;
  right: -16px;
  bottom: 2px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 17px;
  background: rgba(17, 19, 24, 0.94);
  border: 1px solid var(--line-strong);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(14px);
  font-size: 12px;
  animation: float-note 5s ease-in-out infinite;
}

.floating-note i { width: 31px; height: 31px; display: grid; place-items: center; color: var(--success); background: rgba(74, 222, 163, 0.1); border-radius: 10px; font-style: normal; font-weight: 900; }
.floating-note strong { display: block; color: #fff; }
.floating-note span { color: #737783; font-size: 10px; }

@keyframes float-note { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

.section { position: relative; padding: 124px 0; }
.section-tight { padding: 42px 0 96px; }
.section-white { background: rgba(255, 255, 255, 0.012); border-block: 1px solid rgba(255, 255, 255, 0.055); }
.section-heading { max-width: 760px; margin-bottom: 54px; }
.section-heading.center { margin-inline: auto; text-align: center; }
.kicker { margin-bottom: 13px; color: #a995ff; font-size: 12px; font-weight: 850; letter-spacing: 0.16em; text-transform: uppercase; }
h2 { margin-bottom: 20px; color: #f5f5f7; font-size: clamp(34px, 4.35vw, 58px); font-weight: 630; line-height: 1.14; letter-spacing: -0.05em; text-wrap: balance; }
h3 { margin-bottom: 11px; color: #f0f0f3; font-size: 20px; line-height: 1.35; letter-spacing: -0.022em; }
.section-heading p, .muted { color: #9296a2; }

.signal-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255, 255, 255, 0.025);
}

.signal-item { padding: 25px; border-right: 1px solid var(--line); }
.signal-item:last-child { border-right: 0; }
.signal-item strong { display: block; margin-bottom: 5px; color: #e9e9ed; font-size: 15px; }
.signal-item span { color: #747884; font-size: 12px; line-height: 1.55; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card {
  position: relative;
  min-height: 290px;
  padding: 30px;
  overflow: hidden;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.048), rgba(255, 255, 255, 0.018));
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.025);
  transition: transform 220ms ease, border-color 220ms ease, background 220ms ease;
}

.feature-card::after { position: absolute; right: -68px; bottom: -80px; width: 180px; height: 180px; content: ""; background: radial-gradient(circle, rgba(139, 92, 246, 0.11), transparent 68%); }
.feature-card:nth-child(3n + 1)::after { background: radial-gradient(circle, rgba(34, 211, 238, 0.1), transparent 68%); }
.feature-card:nth-child(3n + 3)::after { background: radial-gradient(circle, rgba(251, 113, 133, 0.09), transparent 68%); }
.feature-card:hover { transform: translateY(-5px); background: linear-gradient(145deg, rgba(255, 255, 255, 0.068), rgba(255, 255, 255, 0.024)); border-color: rgba(255, 255, 255, 0.18); }
.feature-mark { width: 50px; height: 50px; display: grid; place-items: center; margin-bottom: 48px; color: #cec3ff; background: rgba(139, 92, 246, 0.1); border: 1px solid rgba(139, 92, 246, 0.19); border-radius: 15px; font-size: 12px; font-weight: 900; }
.feature-card p { margin-bottom: 0; color: #858995; font-size: 14px; }

.workflow-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.workflow-card { position: relative; min-height: 300px; padding: 28px; overflow: hidden; background: #101216; border: 1px solid var(--line); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
.workflow-card::after { position: absolute; right: -25px; bottom: -36px; width: 118px; height: 118px; content: ""; background: var(--card-glow); border-radius: 50%; filter: blur(8px); opacity: 0.5; }
.step-no { display: inline-grid; width: 43px; height: 43px; place-items: center; margin-bottom: 60px; color: #d8d0ff; background: rgba(139, 92, 246, 0.1); border: 1px solid rgba(139, 92, 246, 0.18); border-radius: 13px; font-weight: 850; }
.workflow-card p { margin-bottom: 0; color: #80848f; font-size: 14px; }
.workflow-card:nth-child(1) { --card-glow: rgba(34, 211, 238, 0.18); }
.workflow-card:nth-child(2) { --card-glow: rgba(139, 92, 246, 0.18); }
.workflow-card:nth-child(3) { --card-glow: rgba(251, 113, 133, 0.15); }
.workflow-card:nth-child(4) { --card-glow: rgba(99, 102, 241, 0.16); }

.security-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; align-items: center; gap: 74px; }
.security-copy > p { color: #9497a2; }
.check-list { display: grid; gap: 14px; margin: 30px 0 0; padding: 0; list-style: none; }
.check-list li { display: grid; grid-template-columns: 28px 1fr; gap: 12px; color: #a0a3ad; }
.check-list li::before { width: 25px; height: 25px; display: grid; place-items: center; color: var(--success); background: rgba(74, 222, 163, 0.08); border: 1px solid rgba(74, 222, 163, 0.12); border-radius: 8px; content: "✓"; font-size: 12px; font-weight: 900; }

.boundary-card { position: relative; padding: 28px; overflow: hidden; background: linear-gradient(155deg, #12141a, #151522 56%, #1a1530); border: 1px solid var(--line-strong); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.04); }
.boundary-card::before { position: absolute; top: -150px; right: -120px; width: 360px; height: 360px; content: ""; background: radial-gradient(circle, rgba(139, 92, 246, 0.22), transparent 66%); }
.boundary-label { position: relative; margin-bottom: 14px; color: #777b88; font-size: 11px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; }
.boundary-zone { position: relative; padding: 22px; color: #fff; background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.09); border-radius: 18px; }
.boundary-zone.accent { background: linear-gradient(135deg, rgba(34, 211, 238, 0.1), rgba(139, 92, 246, 0.14)); }
.boundary-zone strong { display: block; margin-bottom: 6px; }
.boundary-zone span { color: #8f93a0; font-size: 13px; }
.boundary-arrow { position: relative; padding: 9px 0; color: #5d616d; text-align: center; font-size: 11px; }

.download-card { position: relative; display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 34px; padding: 52px; overflow: hidden; background: linear-gradient(135deg, #121419, #0e1014); border: 1px solid var(--line-strong); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.035); }
.download-card::after { position: absolute; right: -120px; top: -150px; width: 440px; height: 440px; content: ""; background: radial-gradient(circle, rgba(139, 92, 246, 0.2), transparent 68%); }
.download-copy { position: relative; z-index: 1; }
.download-copy p { max-width: 660px; color: #9397a2; }
.download-copy .hero-actions { justify-content: flex-start; }
.release-box { position: relative; z-index: 1; align-self: stretch; padding: 24px; background: rgba(255, 255, 255, 0.035); border: 1px solid var(--line); border-radius: 19px; }
.release-row { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; color: #747884; border-bottom: 1px solid var(--line); font-size: 13px; }
.release-row:last-child { border-bottom: 0; }
.release-row strong { color: #dedfe4; font-weight: 750; text-align: right; }
.status-pending { color: var(--warning) !important; }

.contact-section { padding-top: 18px; }
.contact-cta {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 54px;
  padding: 58px;
  overflow: hidden;
  background: linear-gradient(135deg, #111319, #0c0e12 62%, #171126);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}
.contact-cta::before { position: absolute; top: -170px; left: -120px; width: 420px; height: 420px; content: ""; background: radial-gradient(circle, rgba(34, 211, 238, 0.13), transparent 67%); }
.contact-cta::after { position: absolute; right: -130px; bottom: -210px; width: 470px; height: 470px; content: ""; background: radial-gradient(circle, rgba(139, 92, 246, 0.18), transparent 68%); }
.contact-cta-copy, .contact-route-list { position: relative; z-index: 1; }
.contact-cta-copy h2 { max-width: 620px; }
.contact-cta-copy > p:not(.kicker) { max-width: 620px; margin-bottom: 26px; color: #9296a2; }
.contact-route-list { display: grid; gap: 13px; }
.contact-route { display: flex; align-items: center; gap: 16px; padding: 19px 20px; background: rgba(255, 255, 255, 0.035); border: 1px solid var(--line); border-radius: 17px; }
.contact-route > span { width: 38px; height: 38px; display: grid; place-items: center; flex: 0 0 auto; color: #cfc6ff; background: rgba(139, 92, 246, 0.1); border-radius: 12px; font-size: 11px; font-weight: 850; }
.contact-route strong { display: block; color: #ececf0; font-size: 15px; }
.contact-route small { display: block; margin-top: 3px; color: #747884; font-size: 11px; }

.contact-page-hero::before { left: 54%; background: radial-gradient(circle, rgba(34, 211, 238, 0.09), rgba(139, 92, 246, 0.1) 38%, transparent 70%); }
.contact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; padding-bottom: 110px; }
.contact-card { position: relative; min-height: 390px; padding: 34px; overflow: hidden; background: linear-gradient(145deg, rgba(255, 255, 255, 0.047), rgba(255, 255, 255, 0.018)); border: 1px solid var(--line); border-radius: var(--radius-md); box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255, 255, 255, 0.03); }
.contact-card::after { position: absolute; right: -100px; bottom: -130px; width: 310px; height: 310px; content: ""; background: radial-gradient(circle, rgba(139, 92, 246, 0.14), transparent 68%); pointer-events: none; }
.contact-card:nth-child(2)::after { background: radial-gradient(circle, rgba(34, 211, 238, 0.11), transparent 68%); }
.contact-card h2 { margin-bottom: 14px; font-size: clamp(30px, 3vw, 42px); }
.contact-card > p { position: relative; z-index: 1; max-width: 520px; margin-bottom: 28px; color: #8c909c; }
.contact-card .button { position: relative; z-index: 1; }
.contact-status { position: absolute; top: 35px; right: 34px; display: inline-flex; align-items: center; gap: 8px; padding: 6px 10px; color: #8c909c; background: rgba(255, 255, 255, 0.035); border: 1px solid var(--line); border-radius: 999px; font-size: 11px; }
.contact-status i { width: 7px; height: 7px; background: var(--warning); border-radius: 50%; box-shadow: 0 0 12px rgba(245, 185, 85, 0.3); }
.contact-status.is-open { color: #bcefdc; border-color: rgba(74, 222, 163, 0.17); }
.contact-status.is-open i { background: var(--success); box-shadow: 0 0 12px rgba(74, 222, 163, 0.36); }
.contact-action[aria-disabled="true"] { cursor: default; opacity: 0.68; pointer-events: none; }
.contact-card-wide { min-height: auto; display: grid; grid-template-columns: 0.85fr 1.15fr; align-items: center; gap: 54px; grid-column: 1 / -1; }
.contact-card-wide::after { right: auto; bottom: -180px; left: 18%; background: radial-gradient(circle, rgba(251, 113, 133, 0.08), transparent 68%); }
.contact-guidance { position: relative; z-index: 1; }
.contact-guidance p { margin: 0 0 12px; color: #8c909c; }
.contact-guidance p:last-child { margin-bottom: 0; }
.contact-guidance strong { color: #d9dbe2; }
.contact-card-wechat { min-height: 610px; grid-template-columns: minmax(0, 1.05fr) minmax(310px, 0.95fr); padding: clamp(34px, 5vw, 64px); background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(34, 211, 238, 0.055) 50%, rgba(251, 113, 133, 0.065)); }
.contact-card-wechat::before { position: absolute; top: -150px; left: -130px; width: 360px; height: 360px; content: ""; background: radial-gradient(circle, rgba(139, 92, 246, 0.2), transparent 68%); pointer-events: none; }
.contact-card-wechat::after { right: -90px; bottom: -110px; left: auto; background: radial-gradient(circle, rgba(34, 211, 238, 0.15), transparent 68%); }
.wechat-contact-copy { position: relative; z-index: 1; align-self: center; }
.wechat-contact-copy .feature-mark { margin-bottom: 48px; }
.wechat-contact-copy .contact-status { top: 0; right: 0; }
.wechat-contact-copy h2 { max-width: 570px; font-size: clamp(38px, 5vw, 64px); line-height: 1.04; }
.wechat-contact-copy > p:not(.kicker) { max-width: 580px; margin: 0 0 28px; color: #a1a5b1; }
.wechat-contact-note { display: inline-flex; align-items: center; gap: 9px; padding: 10px 13px; color: #c9ccd4; background: rgba(8, 9, 11, 0.38); border: 1px solid rgba(255, 255, 255, 0.08); border-radius: 12px; font-size: 12px; }
.wechat-contact-note span { display: grid; width: 20px; height: 20px; place-items: center; color: #0b1716; background: linear-gradient(135deg, #7ae3d1, #42c6e8); border-radius: 50%; font-weight: 900; }
.wechat-contact-visual { position: relative; z-index: 1; width: min(100%, 390px); margin: 0 auto; }
.wechat-contact-frame { position: relative; padding: 10px; overflow: hidden; background: linear-gradient(135deg, #8b5cf6, #22d3ee 52%, #fb7185); border-radius: 30px; box-shadow: 0 30px 80px rgba(0, 0, 0, 0.38), 0 0 70px rgba(34, 211, 238, 0.08); }
.wechat-contact-frame::before { position: absolute; inset: 10px; z-index: 1; content: ""; border: 1px solid rgba(255, 255, 255, 0.22); border-radius: 21px; pointer-events: none; }
.wechat-contact-frame img { display: block; width: 100%; height: auto; background: #fff; border-radius: 21px; }
.wechat-contact-visual figcaption { margin-top: 14px; color: #777c88; font-size: 11px; letter-spacing: 0.12em; text-align: center; text-transform: uppercase; }

.faq-list { max-width: 880px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { padding: 24px 2px; cursor: pointer; color: #e6e7eb; font-weight: 720; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { float: right; color: #9d8bff; content: "+"; font-size: 22px; font-weight: 400; }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { padding: 0 32px 24px 0; color: #898d98; }

.site-footer { padding: 72px 0 30px; color: #bbbcc5; background: #060709; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1.2fr repeat(3, 0.6fr); gap: 46px; }
.footer-brand { max-width: 410px; }
.footer-brand p { margin: 21px 0 0; color: #737681; font-size: 13px; }
.footer-col strong { display: block; margin-bottom: 16px; color: #ededf0; font-size: 13px; }
.footer-col a { display: block; margin: 9px 0; color: #777a85; font-size: 13px; transition: color 160ms ease; }
.footer-col a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 50px; padding-top: 25px; color: #555963; border-top: 1px solid var(--line); font-size: 12px; }

.page-hero { position: relative; padding: 100px 0 56px; overflow: hidden; }
.page-hero::before { position: absolute; top: -210px; left: 25%; width: 700px; height: 440px; content: ""; background: radial-gradient(circle, rgba(139, 92, 246, 0.13), transparent 70%); }
.page-hero-inner { position: relative; max-width: 840px; }
.page-hero h1 { margin: 0 0 20px; font-size: clamp(44px, 5vw, 66px); text-align: left; }
.page-hero p { color: #9397a2; font-size: 18px; }
.breadcrumbs { display: flex; gap: 8px; margin-bottom: 25px; color: #70747f; font-size: 13px; }
.breadcrumbs a:hover { color: #fff; }

.content-layout { display: grid; grid-template-columns: 230px minmax(0, 1fr); align-items: start; gap: 50px; padding-bottom: 110px; }
.notice-layout { max-width: 900px; padding-bottom: 110px; }
.content-nav { position: sticky; top: 110px; padding: 18px; background: rgba(255, 255, 255, 0.025); border: 1px solid var(--line); border-radius: 18px; }
.content-nav strong { display: block; margin-bottom: 12px; color: #e4e5e9; font-size: 13px; }
.content-nav a { display: block; padding: 8px 10px; color: #747884; border-radius: 9px; font-size: 13px; }
.content-nav a:hover { color: #fff; background: rgba(255, 255, 255, 0.05); }
.article-card { padding: clamp(28px, 5vw, 58px); background: #101216; border: 1px solid var(--line); border-radius: 26px; box-shadow: var(--shadow-sm); }
.article-card h2 { margin-top: 46px; margin-bottom: 15px; font-size: 29px; }
.article-card h2:first-child { margin-top: 0; }
.article-card h3 { margin-top: 28px; font-size: 18px; }
.article-card p, .article-card li { color: #999ca7; }
.article-card ul, .article-card ol { padding-left: 22px; }
.article-card a { color: #b5a6ff; text-decoration: underline; text-underline-offset: 3px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-bottom: 30px; padding-bottom: 22px; color: #747884; border-bottom: 1px solid var(--line); font-size: 13px; }
.prelaunch-note { margin: 0 0 30px; padding: 16px 18px; color: #e6bf7e; background: rgba(245, 185, 85, 0.07); border: 1px solid rgba(245, 185, 85, 0.17); border-radius: 14px; font-size: 13px; }
.info-table { width: 100%; margin: 22px 0; border-collapse: collapse; font-size: 14px; }
.info-table th, .info-table td { padding: 13px 15px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.info-table th { color: #e7e8eb; background: rgba(255, 255, 255, 0.025); }

.download-page-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 28px; padding-bottom: 110px; }
.panel { padding: 34px; background: #101216; border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--shadow-sm); }
.panel h2 { font-size: 29px; }
.requirement-list { display: grid; gap: 12px; padding: 0; list-style: none; }
.requirement-list li { display: flex; justify-content: space-between; gap: 20px; padding: 13px 0; color: #7e828d; border-bottom: 1px solid var(--line); font-size: 14px; }
.requirement-list strong { color: #dedfe4; text-align: right; }
.support-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; padding-bottom: 110px; }
.support-card { padding: 30px; background: #101216; border: 1px solid var(--line); border-radius: 22px; }
.support-card p { color: #858995; font-size: 14px; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity 680ms cubic-bezier(0.22, 1, 0.36, 1), transform 680ms cubic-bezier(0.22, 1, 0.36, 1); }
.reveal.is-visible { opacity: 1; transform: none; }
.feature-card:nth-child(2), .workflow-card:nth-child(2) { transition-delay: 70ms; }
.feature-card:nth-child(3), .workflow-card:nth-child(3) { transition-delay: 140ms; }
.feature-card:nth-child(4), .workflow-card:nth-child(4) { transition-delay: 70ms; }
.feature-card:nth-child(5) { transition-delay: 140ms; }
.feature-card:nth-child(6) { transition-delay: 210ms; }

@media (max-width: 980px) {
  .main-nav { position: fixed; top: 72px; right: 20px; left: 20px; display: none; padding: 15px; background: rgba(13, 15, 19, 0.97); border: 1px solid var(--line-strong); border-radius: 18px; box-shadow: var(--shadow-lg); backdrop-filter: blur(22px); }
  .main-nav.is-open { display: grid; }
  .main-nav .button { margin-top: 6px; }
  .nav-toggle { display: block; }
  .hero { padding-top: 66px; }
  .hero-visual { min-height: 530px; }
  .security-grid, .download-card, .download-page-grid, .contact-cta { grid-template-columns: 1fr; }
  .workflow-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .signal-strip { grid-template-columns: repeat(2, 1fr); }
  .signal-item:nth-child(2) { border-right: 0; }
  .signal-item:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .content-layout { grid-template-columns: 1fr; }
  .content-nav { position: static; display: none; }
  .support-grid { grid-template-columns: 1fr 1fr; }
  .contact-card-wide { grid-template-columns: 1fr; gap: 18px; }
  .contact-card-wechat { gap: 42px; }
  .wechat-contact-copy { text-align: center; }
  .wechat-contact-copy .feature-mark { margin-right: auto; margin-left: auto; }
  .wechat-contact-copy .contact-status { position: static; width: fit-content; margin: 0 auto 28px; }
  .wechat-contact-copy > p:not(.kicker) { margin-right: auto; margin-left: auto; }
}

@media (max-width: 680px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .nav-wrap { min-height: 72px; }
  .brand-logo { width: 40px; height: 40px; }
  .brand-copy strong { font-size: 14px; }
  .brand-copy span { font-size: 8px; }
  .hero { padding: 60px 0 34px; }
  .hero::before { top: 54px; height: 260px; }
  .weave-motion { top: 20px; width: 150vw; height: 370px; opacity: 0.27; }
  .hero-grid { gap: 44px; }
  h1 { font-size: 42px; line-height: 1.08; letter-spacing: -0.055em; }
  .hero-lead { font-size: 15px; }
  .hero-actions .button { width: 100%; }
  .trust-row { gap: 7px 13px; font-size: 11px; }
  .hero-visual { min-height: 400px; }
  .workspace-shell { inset: 8px 0 18px; border-radius: 20px; }
  .workspace-top { height: 52px; padding: 0 12px; }
  .window-dots { display: none; }
  .workspace-body { height: calc(100% - 52px); grid-template-columns: 62px 1fr; }
  .workspace-sidebar { padding: 12px 8px; }
  .side-pill { height: 40px; font-size: 8px; }
  .workspace-main { padding: 12px; }
  .workspace-title span, .progress-track i::after { display: none; }
  .workspace-title strong { font-size: 12px; }
  .editor-grid { grid-template-columns: 1fr 0.58fr; gap: 8px; }
  .editor-panel, .preview-panel { min-height: 175px; padding: 10px; }
  .preview-video { width: 67px; }
  .timeline { height: 67px; margin-top: 19px; padding: 7px; gap: 4px; }
  .floating-note { right: 7px; bottom: -1px; padding: 11px 13px; }
  .floating-note i { width: 26px; height: 26px; }
  .section { padding: 82px 0; }
  .section-tight { padding: 32px 0 70px; }
  .section-heading { margin-bottom: 38px; }
  .workflow-grid, .feature-grid, .signal-strip, .support-grid, .contact-grid { grid-template-columns: 1fr; }
  .signal-item { border-right: 0; border-bottom: 1px solid var(--line); }
  .signal-item:last-child { border-bottom: 0; }
  .feature-card, .workflow-card { min-height: 250px; }
  .feature-mark { margin-bottom: 38px; }
  .step-no { margin-bottom: 42px; }
  .download-card { padding: 29px; }
  .contact-section { padding-top: 0; }
  .contact-cta { gap: 34px; padding: 30px; }
  .contact-route { padding: 16px; }
  .contact-card { min-height: 350px; padding: 26px; }
  .contact-card-wide { min-height: auto; grid-column: auto; }
  .contact-status { position: static; width: fit-content; margin: -8px 0 28px; }
  .contact-card-wechat { padding: 28px 20px; }
  .wechat-contact-copy .feature-mark { margin-bottom: 30px; }
  .wechat-contact-copy h2 { font-size: 40px; }
  .wechat-contact-note { justify-content: flex-start; text-align: left; }
  .wechat-contact-visual { width: min(100%, 330px); }
  .download-copy .hero-actions { justify-content: center; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; }
  .page-hero { padding-top: 64px; }
  .page-hero h1 { font-size: 42px; }
  .article-card, .panel { padding: 24px; border-radius: 20px; }
  .info-table { display: block; overflow-x: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .weave-trace { animation: none; }
}

/* Release center */
.release-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  padding-bottom: 110px;
}

.release-layout .panel {
  min-width: 0;
}

.release-primary {
  grid-column: 1 / -1;
  overflow: hidden;
  background:
    radial-gradient(circle at 88% 10%, rgba(139, 92, 246, 0.18), transparent 34%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.052), rgba(255, 255, 255, 0.018));
}

.release-heading-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 22px;
}

.release-heading-row h2 {
  margin-bottom: 0;
}

.release-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  flex: 0 0 auto;
  padding: 8px 12px;
  color: #d5b97d;
  background: rgba(245, 185, 85, 0.06);
  border: 1px solid rgba(245, 185, 85, 0.16);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 760;
}

.release-badge i {
  width: 7px;
  height: 7px;
  background: var(--warning);
  border-radius: 50%;
  box-shadow: 0 0 14px rgba(245, 185, 85, 0.38);
}

#download-action {
  margin-top: 8px;
}

#download-action.is-disabled {
  cursor: not-allowed;
  opacity: 0.62;
  pointer-events: none;
}

.release-safety-note {
  max-width: 720px;
  margin: 18px 0 0;
  color: #747884;
  font-size: 12px;
  line-height: 1.7;
}

.release-details h2 {
  margin-bottom: 22px;
  font-size: clamp(26px, 3vw, 38px);
}

.release-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}

.release-facts > div {
  min-width: 0;
  padding: 16px;
  background: rgba(255, 255, 255, 0.026);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.release-facts dt {
  margin-bottom: 8px;
  color: #6f7380;
  font-size: 11px;
  font-weight: 760;
  letter-spacing: 0.06em;
}

.release-facts dd {
  margin: 0;
  color: #dcdee5;
  overflow-wrap: anywhere;
  font-size: 13px;
  line-height: 1.55;
}

.release-facts .release-fact-wide {
  grid-column: 1 / -1;
}

.hash-value {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  letter-spacing: 0.025em;
}

.release-notes {
  display: grid;
  gap: 10px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.release-notes li {
  position: relative;
  padding-left: 20px;
  color: #969aa6;
}

.release-notes li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 7px;
  height: 7px;
  content: "";
  background: linear-gradient(135deg, var(--violet), var(--cyan));
  border-radius: 50%;
}

@media (max-width: 820px) {
  .release-layout {
    grid-template-columns: 1fr;
  }

  .release-primary {
    grid-column: auto;
  }
}

@media (max-width: 560px) {
  .release-heading-row {
    display: grid;
    gap: 18px;
  }

  .release-badge {
    width: fit-content;
  }

  .release-facts {
    grid-template-columns: 1fr;
  }

  .release-facts .release-fact-wide {
    grid-column: auto;
  }
}