:root {
  --paper: #fbfaf7;
  --ink: #1d1d1d;
  --black: #000;
  --muted: #666666;
  --muted-warm: #6f655e;
  --link: #3d6fa8;
  --link-hover: #2c6aa8;
  --line: rgba(0, 0, 0, 0.08);
  --card: #fff;
  --shadow: 0 24px 60px rgba(29, 29, 29, 0.08);
  --sans: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "WenQuanYi Micro Hei", "Microsoft YaHei", "Segoe UI", sans-serif;
  --wrap: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  position: relative;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
}

body::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 760px;
  pointer-events: none;
  background:
    radial-gradient(880px 420px at 82% -40px, rgba(158, 203, 255, 0.55), transparent 68%),
    radial-gradient(640px 360px at 12% 40px, rgba(255, 223, 167, 0.42), transparent 70%),
    radial-gradient(520px 280px at 48% 0, rgba(255, 194, 221, 0.22), transparent 72%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.35), rgba(251, 250, 247, 0) 78%);
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--link);
}

a:hover {
  color: var(--link-hover);
}

:focus-visible {
  outline: 2px solid var(--link);
  outline-offset: 3px;
}

::selection {
  background: #d7e7f8;
}

.skip {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 50;
  background: #fff;
  color: var(--black);
  padding: 8px 12px;
  border-radius: 999px;
}

.skip:focus {
  top: 12px;
}

.wrap {
  width: min(var(--wrap), calc(100% - 48px));
  margin-inline: auto;
}

.site-header,
main,
.site-footer {
  position: relative;
  z-index: 1;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(251, 250, 247, 0.72);
  backdrop-filter: blur(20px);
}

.bar {
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--black);
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.02em;
}

.brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: block;
}

.top-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.top-nav a {
  color: #4a4a4a;
  text-decoration: none;
  font-size: 14px;
  padding: 4px 0;
}

.top-nav a:hover,
.top-nav a[aria-current="page"] {
  color: #000;
}

.top-nav a[aria-current="page"] {
  font-weight: 700;
}

.nav-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 22px;
}

.lang-switch {
  display: inline-flex;
  align-items: baseline;
  gap: 0;
  border: 0;
  background: transparent;
  padding: 4px 0;
  font: inherit;
  font-size: 14px;
  line-height: 1;
  color: #6f655e;
  cursor: pointer;
}

.lang-switch .lang-mark {
  font-weight: 400;
  color: #6f655e;
}

.lang-switch .lang-slash {
  padding: 0 1px;
  font-weight: 400;
  color: #6f655e;
}

html[data-lang="zh"] .lang-switch [data-for-lang="zh"],
html[data-lang="en"] .lang-switch [data-for-lang="en"] {
  color: #000;
  font-weight: 700;
}

.button {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  padding: 0 16px;
  border-radius: 999px;
  background: #000;
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 13px;
  line-height: 1;
  border: 0;
  white-space: nowrap;
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.button:hover {
  background: #1a1a1a;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 10px 15px -3px rgba(75, 85, 99, 0.3);
}

.button.large {
  height: 56px;
  padding: 0 36px;
  font-size: 16px;
}

.button.secondary {
  background: #fff;
  color: #000;
  box-shadow: 0 8px 24px rgba(29, 29, 29, 0.06);
}

.button.secondary:hover {
  background: #fff;
  color: #000;
  box-shadow: 0 10px 15px -3px rgba(75, 85, 99, 0.2);
}

.btn-glow {
  position: relative;
  display: inline-flex;
}

.btn-glow::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: 999px;
  background: linear-gradient(94deg, #9acbff 4%, #ffbbdf 54%, #ffdfa7 95%);
  filter: blur(6px);
  opacity: 0.62;
  z-index: 0;
  pointer-events: none;
  transition: inset 0.2s ease, filter 0.2s ease, opacity 0.2s ease;
}

.btn-glow:hover::before {
  inset: -3px;
  filter: blur(8px);
  opacity: 0.92;
}

.download-slot {
  position: relative;
  display: inline-flex;
  align-items: center;
  max-width: 100%;
}

.download-slot[data-invite="inline"].is-invited > .btn-glow,
.download-slot[data-invite="inline"].is-invited > a.button {
  display: none;
}

.invite-follow {
  width: min(40rem, 100%);
  margin: 14px auto 0;
  text-align: center;
}

.release-actions + .invite-follow {
  width: min(36rem, 100%);
  margin: 12px 0 0;
  text-align: left;
}

.release-actions + .invite-follow .invite-note .lang-zh,
.release-actions + .invite-follow .invite-note .lang-en {
  justify-content: flex-start;
}

.invite-again {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.4;
}

.invite-again a {
  color: var(--link);
  font-weight: 600;
  text-decoration: none;
}

.invite-again a:hover {
  color: var(--link-hover);
}

.invite-popover {
  position: absolute;
  z-index: 40;
  top: calc(100% + 10px);
  right: 0;
  box-sizing: border-box;
  width: min(320px, calc(100vw - 24px));
  padding: 12px 12px 12px;
  border-radius: 16px;
  background: #fff;
  color: var(--ink);
  text-align: left;
  box-shadow: 0 16px 40px rgba(29, 29, 29, 0.16);
}

.invite-popover[hidden] {
  display: none !important;
}

.invite-popover-close {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: #3f3f3f;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}

.invite-popover-close:hover {
  background: rgba(0, 0, 0, 0.06);
}

.invite-popover-code {
  display: flex;
  align-items: center;
  gap: 2px;
  min-height: 44px;
  margin: 0 28px 6px 0;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
}

.invite-popover .invite-note {
  text-align: left;
}

.invite-popover .invite-note .lang-zh,
.invite-popover .invite-note .lang-en {
  justify-content: flex-start;
}

.invite-popover .invite-feedback {
  text-align: left;
}

.invite-code.button {
  gap: 4px;
  border: 0;
  cursor: default;
  height: auto;
  min-height: 56px;
  max-width: 100%;
  padding: 6px 6px 6px 20px;
}

.invite-copy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 44px;
  height: 44px;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.invite-copy:hover {
  background: rgba(0, 0, 0, 0.06);
}

.invite-copy .icon-check {
  display: none;
}

.invite-copy.is-copied .icon-copy {
  display: none;
}

.invite-copy.is-copied .icon-check {
  display: block;
}

.invite-note {
  position: static;
  width: 100%;
  max-width: 100%;
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.5;
  text-align: center;
}

.invite-note .lang-zh,
.invite-note .lang-en {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: center;
  gap: 0.35em 1.25em;
  max-width: 100%;
}

.invite-feedback {
  width: 100%;
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.45;
  text-align: center;
  color: #146c36;
}

.invite-feedback:empty {
  display: block;
  height: 0;
  overflow: hidden;
}

.invite-feedback.is-error {
  color: #9d1c1c;
}

.hero {
  padding: 72px 0 28px;
  text-align: center;
}

.kicker {
  margin: 0 0 18px;
  color: var(--link);
  font-size: 15px;
  font-weight: 600;
}

.hero h1,
.page-intro h1 {
  margin: 0 auto;
  max-width: 16em;
  font-weight: 600;
  font-size: clamp(40px, 4.4vw, 66px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: #000;
}

.lede,
.page-intro p {
  margin: 22px auto 0;
  max-width: 40rem;
  color: var(--muted);
  font-size: clamp(16px, 1.35vw, 22px);
  line-height: 1.5;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 16px 20px;
  margin-top: 32px;
}

.fine {
  margin: 22px auto 0;
  max-width: 40rem;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.media-stage {
  margin: 36px auto 28px;
}

.intro-video {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 28px;
  background: #16181e;
  box-shadow: 0 30px 70px rgba(29, 29, 29, 0.14);
}

.media-stage figcaption,
.plain-shot figcaption {
  margin: 14px auto 0;
  max-width: 40rem;
  text-align: center;
  color: var(--muted-warm);
  font-size: 14px;
  line-height: 1.55;
}

.section {
  padding: 72px 0 12px;
}

.section-head {
  text-align: center;
  margin-bottom: 18px;
}

.section h2,
.install h2 {
  margin: 10px auto 0;
  max-width: 16em;
  font-size: clamp(32px, 3vw, 48px);
  font-weight: 600;
  line-height: 1.28;
  letter-spacing: -0.02em;
  color: #1d1d1d;
}

.section-intro {
  margin: 16px auto 0;
  max-width: 42rem;
  text-align: center;
  color: var(--muted-warm);
  font-size: 18px;
  line-height: 1.6;
}

.feature {
  display: grid;
  grid-template-columns: minmax(240px, 0.82fr) minmax(0, 1.18fr);
  gap: 28px 56px;
  align-items: center;
  padding: 42px 0;
}

.feature-flip {
  grid-template-columns: minmax(0, 1.18fr) minmax(240px, 0.82fr);
}

.feature-flip .feature-text {
  order: 2;
}

.feature-text {
  text-align: left;
}

.tag {
  display: flex;
  justify-content: flex-start;
  margin: 0;
}

.tag span {
  align-items: center;
  height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  background: #92bfee;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
}

html[data-lang="zh"] .tag .lang-zh,
html[data-lang="en"] .tag .lang-en {
  display: inline-flex;
}

html[data-lang="zh"] .lang-en,
html[data-lang="en"] .lang-zh {
  display: none !important;
}

.feature h2 {
  margin: 16px 0 0;
  max-width: 9em;
  text-align: left;
  font-size: clamp(34px, 3.1vw, 46px);
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: -0.03em;
  color: #1d1d1d;
}

.feature-text p:not(.tag) {
  margin: 14px 0 0;
  max-width: 24rem;
  text-align: left;
  color: var(--muted-warm);
  font-size: 18px;
  line-height: 1.6;
}

.feature-stage {
  position: relative;
  height: 500px;
  margin: 0;
  border-radius: 32px;
  overflow: hidden;
  background: #d5e7f8;
  box-shadow: 0 28px 60px rgba(80, 114, 156, 0.14);
}

.feature-stage::before,
.feature-stage::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(42px);
}

.feature-stage::before {
  width: 68%;
  height: 78%;
  left: -12%;
  top: -24%;
  background: #c5e2ff;
}

.feature-stage::after {
  width: 58%;
  height: 64%;
  right: -14%;
  bottom: -22%;
  background: #ffe0c8;
  opacity: 0.9;
}

.stage-sky {
  background:
    radial-gradient(420px 260px at 78% 12%, rgba(186, 220, 255, 0.95), transparent 70%),
    linear-gradient(165deg, #cfe6fa 0%, #e7f3fc 48%, #f6efe6 100%);
}

.stage-mist {
  background:
    radial-gradient(380px 240px at 12% 18%, rgba(255, 255, 255, 0.8), transparent 68%),
    linear-gradient(150deg, #d9ebf8 0%, #eef6fb 52%, #e7f0f8 100%);
}

.stage-mist::after {
  background: #d5e6f6;
}

.stage-dawn {
  background:
    radial-gradient(420px 260px at 18% 80%, rgba(255, 214, 196, 0.7), transparent 72%),
    linear-gradient(160deg, #d7e9f8 0%, #f4f7fb 46%, #f8eee6 100%);
}

.stage-frost {
  background:
    radial-gradient(400px 240px at 70% 20%, rgba(255, 255, 255, 0.85), transparent 70%),
    linear-gradient(165deg, #e5f1fb 0%, #f4f8fc 55%, #e7eef6 100%);
}

.stage-frost::before {
  background: #d7ebff;
}

.stage-frost::after {
  background: #f3e4dc;
  opacity: 0.7;
}

.feature-stage .hud {
  position: absolute;
  z-index: 1;
  width: 84%;
  height: auto;
  left: 8%;
  top: 50%;
  transform: translateY(-50%);
  filter: drop-shadow(0 28px 32px rgba(24, 42, 72, 0.28)) drop-shadow(0 8px 12px rgba(24, 42, 72, 0.16));
}

.stage-poster .poster-frame {
  position: absolute;
  z-index: 1;
  left: 4%;
  top: 5%;
  height: 90%;
  aspect-ratio: 3 / 4;
  border-radius: 16px;
  overflow: hidden;
}

.poster-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  border-radius: 16px;
  box-shadow: 0 18px 36px rgba(29, 42, 68, 0.16);
  transform: scale(1.22);
  transform-origin: 70% 14%;
}

.capture-marquee {
  position: absolute;
  left: 30%;
  right: auto;
  top: 8.4%;
  bottom: auto;
  width: 69%;
  max-width: none;
  height: 22.8%;
  padding: 0;
  background: rgba(0, 122, 255, 0.2);
  box-shadow: inset 0 0 0 2px #007aff;
  border-radius: 2px;
}

.capture-cursor {
  position: absolute;
  right: -2px;
  bottom: -14px;
  width: 20px;
  height: 20px;
  filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.35));
}

.stage-poster .hud-panel {
  top: auto;
  bottom: 4%;
  width: min(400px, 64%);
}

.stage-speech,
.stage-terms {
  display: flex;
  align-items: center;
  justify-content: center;
}

.stage-terms {
  height: auto;
  min-height: 560px;
  padding: 28px 22px;
}

.stage-speech .hud-panel,
.stage-terms .hud-panel {
  position: relative;
  inset: auto;
  width: min(460px, 92%);
}

.speech-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  flex: none;
  color: rgba(246, 243, 236, 0.62);
}

.speech-btn .hud-glyph {
  width: 16px;
  height: 16px;
}

.speech-live {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 2px;
  padding: 8px 10px 8px 8px;
  border-radius: 12px;
  background: rgba(10, 132, 255, 0.1);
}

.speech-btn-live {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  color: #0a84ff;
  background: rgba(10, 132, 255, 0.16);
  box-shadow: 0 0 0 1px rgba(10, 132, 255, 0.5);
}

.speech-btn-live .hud-glyph {
  width: 24px;
  height: 24px;
  color: #0a84ff;
}

.waveform {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 32px;
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.waveform span {
  display: block;
  flex: 0 1 3px;
  width: 3px;
  min-width: 2px;
  border-radius: 99px;
  background: #8eb8f2;
  transform-origin: center;
  animation-name: speech-wave-a;
  animation-duration: 2.1s;
  animation-timing-function: cubic-bezier(0.45, 0.02, 0.35, 1);
  animation-iteration-count: infinite;
  animation-delay: calc(var(--i) * -0.23s);
}

.waveform span:nth-child(3n) {
  background: #b7d4fb;
}

.waveform span:nth-child(3n + 1) {
  background: #6aa4ea;
}

.waveform span:nth-child(even) {
  animation-name: speech-wave-b;
}

.waveform span:nth-child(1) { --i: 0; height: 7px; animation-duration: 1.85s; }
.waveform span:nth-child(2) { --i: 3; height: 13px; animation-duration: 2.35s; }
.waveform span:nth-child(3) { --i: 1; height: 18px; animation-duration: 1.7s; }
.waveform span:nth-child(4) { --i: 6; height: 10px; animation-duration: 2.6s; }
.waveform span:nth-child(5) { --i: 2; height: 24px; animation-duration: 2.05s; }
.waveform span:nth-child(6) { --i: 8; height: 15px; animation-duration: 1.62s; }
.waveform span:nth-child(7) { --i: 4; height: 9px; animation-duration: 2.48s; }
.waveform span:nth-child(8) { --i: 11; height: 21px; animation-duration: 1.92s; }
.waveform span:nth-child(9) { --i: 5; height: 28px; animation-duration: 2.72s; }
.waveform span:nth-child(10) { --i: 9; height: 14px; animation-duration: 1.78s; }
.waveform span:nth-child(11) { --i: 7; height: 19px; animation-duration: 2.22s; }
.waveform span:nth-child(12) { --i: 13; height: 11px; animation-duration: 1.58s; }
.waveform span:nth-child(13) { --i: 10; height: 26px; animation-duration: 2.4s; }
.waveform span:nth-child(14) { --i: 2; height: 16px; animation-duration: 1.96s; }
.waveform span:nth-child(15) { --i: 14; height: 8px; animation-duration: 2.15s; }
.waveform span:nth-child(16) { --i: 6; height: 22px; animation-duration: 1.68s; }
.waveform span:nth-child(17) { --i: 12; height: 30px; animation-duration: 2.55s; }
.waveform span:nth-child(18) { --i: 4; height: 12px; animation-duration: 1.88s; }
.waveform span:nth-child(19) { --i: 15; height: 18px; animation-duration: 2.28s; }
.waveform span:nth-child(20) { --i: 8; height: 7px; animation-duration: 1.74s; }
.waveform span:nth-child(21) { --i: 11; height: 25px; animation-duration: 2.62s; }
.waveform span:nth-child(22) { --i: 1; height: 14px; animation-duration: 2.08s; }
.waveform span:nth-child(23) { --i: 9; height: 20px; animation-duration: 1.66s; }
.waveform span:nth-child(24) { --i: 5; height: 11px; animation-duration: 2.32s; }

@keyframes speech-wave-a {
  0% { transform: scaleY(0.34); animation-timing-function: cubic-bezier(0.37, 0, 0.2, 1); }
  17% { transform: scaleY(0.76); animation-timing-function: cubic-bezier(0.4, 0.02, 0.3, 1); }
  36% { transform: scaleY(0.42); animation-timing-function: cubic-bezier(0.22, 0.08, 0.28, 1); }
  54% { transform: scaleY(1); animation-timing-function: cubic-bezier(0.42, 0, 0.22, 1); }
  73% { transform: scaleY(0.48); animation-timing-function: cubic-bezier(0.33, 0.04, 0.4, 1); }
  88% { transform: scaleY(0.68); animation-timing-function: cubic-bezier(0.4, 0, 0.6, 1); }
  100% { transform: scaleY(0.34); }
}

@keyframes speech-wave-b {
  0% { transform: scaleY(0.66); animation-timing-function: cubic-bezier(0.33, 0, 0.18, 1); }
  23% { transform: scaleY(0.3); animation-timing-function: cubic-bezier(0.25, 0.06, 0.32, 1); }
  44% { transform: scaleY(0.9); animation-timing-function: cubic-bezier(0.4, 0, 0.24, 1); }
  66% { transform: scaleY(0.4); animation-timing-function: cubic-bezier(0.3, 0.04, 0.38, 1); }
  84% { transform: scaleY(0.72); animation-timing-function: cubic-bezier(0.42, 0, 0.55, 1); }
  100% { transform: scaleY(0.66); }
}

.hud-glyph.is-on {
  color: #fff;
}

.hud-terms {
  padding: 10px 12px 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.hud-terms-head {
  display: flex;
  align-items: center;
  gap: 6px;
  color: rgba(246, 243, 236, 0.92);
  font-size: 13px;
  font-weight: 500;
}

.hud-terms-head .hud-glyph,
.hud-terms-head .hud-chev {
  color: rgba(246, 243, 236, 0.84);
}

.term-name,
.term-note {
  margin: 0;
}

.term-name {
  margin-top: 8px;
  font-size: 13px;
  font-weight: 600;
}

.term-note {
  margin-top: 2px;
  color: rgba(246, 243, 236, 0.62);
  font-size: 13px;
  line-height: 1.4;
}

.page-sheet {
  position: absolute;
  z-index: 1;
  left: 6%;
  top: 7%;
  width: 76%;
  height: 80%;
  overflow: hidden;
  padding: 26px 26px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 16px 36px rgba(29, 42, 68, 0.1);
}

.page-source,
.page-title,
.page-sheet p {
  margin: 0;
}

.page-source {
  color: #645c55;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.page-title {
  margin-top: 8px;
  color: #1d1d1d;
  font-size: 26px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.page-sheet p + p {
  margin-top: 12px;
}

.page-sheet p:not(.page-source):not(.page-title) {
  color: #5e564f;
  font-size: 15px;
  line-height: 1.7;
}

.page-sheet mark {
  background: rgba(96, 149, 211, 0.2);
  color: inherit;
  border-radius: 4px;
  padding: 1px 4px;
  box-shadow: inset 0 0 0 1.5px rgba(96, 149, 211, 0.72);
}

.stage-select .page-sheet {
  width: 90%;
  height: 88%;
  left: 5%;
  top: 6%;
}

.stage-select .page-sheet mark {
  background: #b4d7ff;
  border-radius: 2px;
  padding: 0 1px;
  box-shadow: none;
}

.stage-select .sel-line {
  max-width: 52%;
}

.stage-select .hud-panel {
  width: min(440px, 72%);
  right: 3%;
  bottom: 4%;
}

html[data-lang="zh"] .pair-src-zh,
html[data-lang="en"] .pair-src-en {
  display: none !important;
}

.hud-panel {
  --hud-pad: 14px;
  container-type: inline-size;
  position: absolute;
  z-index: 2;
  right: 4%;
  bottom: 5%;
  width: min(400px, 72%);
  display: flex;
  flex-direction: column;
  padding: 0 var(--hud-pad);
  border-radius: 12px;
  background: #161616;
  color: #f0f0f0;
  box-shadow:
    0 26px 44px rgba(16, 22, 36, 0.38),
    inset 0 0 0 1px #2e2e2e;
  pointer-events: none;
}

.hud-head,
.hud-source-row,
.hud-status,
.hud-actions,
.hud-foot,
.hud-lang,
.hud-tools,
.hud-provider {
  display: flex;
  align-items: center;
}

.hud-head,
.hud-foot {
  gap: 8px;
  margin-left: calc(var(--hud-pad) * -1);
  margin-right: calc(var(--hud-pad) * -1);
  padding-left: var(--hud-pad);
  padding-right: var(--hud-pad);
}

.hud-head {
  min-height: 44px;
  flex: none;
  border-bottom: 1px solid #2e2e2e;
}

.hud-logo {
  width: 18px;
  height: 18px;
  flex: none;
  color: #a1a1a1;
}

.hud-title {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #f0f0f0;
  white-space: nowrap;
}

.hud-lang {
  margin-left: auto;
  gap: 4px;
  color: #a1a1a1;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
}

.hud-tools {
  gap: 8px;
  flex: none;
}

.hud-glyph {
  width: 18px;
  height: 18px;
  flex: none;
  color: #a1a1a1;
}

.hud-glyph,
.hud-chev,
.hud-logo {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.hud-chev {
  width: 10px;
  height: 10px;
  flex: none;
}

.hud-source-row {
  align-items: center;
  gap: 8px;
  margin: 16px 0 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid #2e2e2e;
}

.hud-source,
.hud-out,
.hud-status {
  margin: 0;
}

.hud-source {
  flex: 1;
  min-width: 0;
  color: #a1a1a1;
  font-size: 13px;
  line-height: 1.45;
}

.hud-status {
  gap: 6px;
  padding: 6px 8px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  color: #a1a1a1;
  font-size: 12px;
  font-weight: 500;
}

.hud-status .hud-glyph {
  width: 16px;
  height: 16px;
}

.hud-glyph.is-speaking {
  color: #0a84ff;
}

.hud-out {
  margin: 14px 0 20px;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.45;
}

.hud-actions {
  gap: 10px;
}

.hud-end {
  margin-left: auto;
}

.hud-foot {
  min-height: 46px;
  flex: none;
  gap: 10px;
  border-top: 1px solid #2e2e2e;
}

.hud-foot-tools {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hud-foot .hud-provider {
  margin-left: auto;
}

.hud-provider {
  flex: none;
  gap: 6px;
  height: 30px;
  padding: 0 10px;
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.04);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.14);
  color: rgba(246, 243, 236, 0.84);
  font-size: 13px;
  white-space: nowrap;
}

@container (max-width: 340px) {
  .hud-head {
    gap: 6px;
  }

  .hud-logo {
    width: 16px;
    height: 16px;
  }

  .hud-title {
    font-size: 12px;
  }

  .hud-lang {
    gap: 3px;
    font-size: 11px;
  }

  .hud-chev {
    width: 8px;
    height: 8px;
  }

  .hud-tools {
    gap: 5px;
  }

  .hud-tools .hud-glyph {
    width: 14px;
    height: 14px;
  }

  .hud-foot-tools {
    gap: 9px;
  }

  .hud-foot .hud-glyph {
    width: 16px;
    height: 16px;
  }

  .hud-provider {
    padding: 0 8px;
  }
}

.plain-shot img,
.release figure img {
  display: block;
  width: 100%;
  border-radius: 16px;
}

.install li,
.release li {
  color: var(--muted-warm);
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 22px;
  align-items: stretch;
  margin-top: 28px;
}

.install {
  background: #fff;
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.install li {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
}

.plain-shot {
  margin: 0;
  background: #fff;
  border-radius: 24px;
  padding: 22px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.setup-stage img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
}

.install {
  margin: 72px 0 48px;
  padding: 48px 40px 40px;
  text-align: center;
}

.setup-steps {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 32px;
  margin: 28px 0 0;
  padding: 0;
  text-align: left;
}

.setup-steps > li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  align-items: start;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.setup-steps > li:first-child,
.setup-steps > li:last-child {
  grid-column: 1 / -1;
}

.setup-steps > li:last-child {
  border-bottom: 1px solid var(--line);
}

.setup-visual-step {
  grid-template-columns: 1fr;
}

.step-no {
  margin: 0;
  color: var(--link);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.setup-copy h3 {
  margin: 6px 0 0;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #1d1d1d;
}

.setup-copy p {
  margin: 8px 0 0;
}

.setup-stage {
  margin: 0;
  border-radius: 20px;
  padding: 16px 16px 12px;
  background:
    radial-gradient(220px 140px at 12% 0%, rgba(255, 255, 255, 0.85), transparent 70%),
    linear-gradient(155deg, #d5e7f8 0%, #eef5fb 52%, #f6efe6 100%);
}

.setup-stage figcaption {
  margin: 10px 2px 0;
  color: var(--muted-warm);
  font-size: 13px;
  line-height: 1.5;
  text-align: left;
}

.shot-slot {
  min-height: 168px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: inset 0 0 0 1px rgba(29, 42, 68, 0.1);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  padding: 22px 18px;
}

.shot-slot p {
  margin: 0;
}

.slot-kicker {
  color: var(--link);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.slot-path {
  color: #1d1d1d;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
}

.hash {
  display: block;
  margin-top: 8px;
  font-family: "SF Mono", "Noto Sans Mono", ui-monospace, monospace;
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.install a:not(.button) {
  font-weight: 600;
}

.site-footer {
  padding: 12px 0 40px;
}

.footer-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 18px 28px;
}

.footer-bar a:not(.button) {
  color: #4a4a4a;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}

.footer-bar a:not(.button):hover {
  color: #000;
}

.footer-note {
  color: var(--muted);
  font-size: 14px;
}

.page-intro {
  padding: 64px 0 8px;
  text-align: center;
}

.version-nav {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  max-width: 100%;
  justify-content: center;
  padding: 22px 0 8px;
}

.version-nav a {
  flex: 0 0 auto;
  text-decoration: none;
  color: #1d1d1d;
  background: #fff;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 6px 16px rgba(29, 29, 29, 0.05);
}

.release {
  background: #fff;
  border-radius: 24px;
  padding: 28px 32px 24px;
  margin: 16px 0;
  box-shadow: var(--shadow);
}

.release-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.release h2 {
  margin: 0;
  font-size: clamp(26px, 2.4vw, 34px);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: #1d1d1d;
}

.release-version {
  margin: 0 0 6px;
  color: var(--link);
  font-size: 13px;
  font-weight: 700;
}

.release-copy {
  margin: 14px 0 0;
  color: var(--muted-warm);
  font-size: 16px;
  line-height: 1.65;
}

.release-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}

.badge {
  display: inline-block;
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 700;
  background: #f6ead7;
  color: #8a5a16;
}

.badge-live {
  background: #e5f2e8;
  color: #1d6b3a;
}

.release ul {
  margin: 16px 0 8px;
  padding-left: 1.15rem;
}

.release li + li {
  margin-top: 8px;
}

.release-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 18px;
  align-items: center;
  margin-top: 16px;
}

.release figure {
  margin: 16px 0 0;
}

@media (max-width: 900px) {
  .feature,
  .feature-flip,
  .split,
  .setup-steps,
  .setup-visual-step {
    grid-template-columns: 1fr;
  }

  .setup-steps > li:first-child,
  .setup-steps > li:last-child {
    grid-column: auto;
  }

  .feature-flip .feature-text {
    order: 0;
  }

  .feature {
    gap: 18px;
    padding: 28px 0;
  }

  .feature-stage {
    height: 380px;
  }

  .stage-terms.feature-stage {
    height: auto;
    min-height: 0;
  }

  .hero {
    padding-top: 40px;
  }
}

@media (max-width: 720px) {
  .wrap {
    width: min(var(--wrap), calc(100% - 32px));
  }

  .bar {
    flex-wrap: wrap;
    gap: 10px 16px;
    padding: 12px 0;
  }

  .top-nav {
    order: 3;
    width: 100%;
    gap: 18px;
  }

  .nav-actions {
    margin-left: auto;
  }

  .hero h1,
  .page-intro h1 {
    font-size: 36px;
  }

  .hero .cta-row {
    flex-wrap: nowrap;
    gap: 8px;
  }

  .hero .cta-row:has(.is-invited) {
    flex-wrap: wrap;
  }

  .hero .button.large {
    height: 44px;
    padding: 0 12px;
    font-size: 13px;
  }

  .intro-video {
    border-radius: 20px;
  }

  .install {
    padding: 28px 18px 22px;
  }

  .release {
    padding: 22px 18px;
  }

  .release-head,
  .release-meta {
    align-items: flex-start;
  }

  .release-head {
    flex-direction: column;
  }

  .feature h2 {
    font-size: 32px;
  }

  .feature-stage {
    height: 300px;
    border-radius: 24px;
  }

  .stage-poster .poster-frame {
    position: relative;
    left: auto;
    top: auto;
    height: auto;
    width: min(240px, 70%);
    margin: 0 auto;
  }

  .stage-poster .hud-panel,
  .stage-speech .hud-panel,
  .stage-terms .hud-panel {
    position: relative;
    inset: auto;
    width: min(100%, 420px);
    margin: 14px auto 0;
  }

  .stage-poster.feature-stage,
  .stage-speech,
  .stage-terms {
    display: block;
    height: auto;
    min-height: 0;
    padding: 16px 12px 18px;
  }

  .page-sheet {
    padding: 14px 14px 10px;
  }

  .page-title {
    font-size: 18px;
  }

  .page-sheet p:not(.page-source):not(.page-title) {
    font-size: 12px;
    line-height: 1.55;
  }

  .hud-panel {
    --hud-pad: 10px;
    width: min(320px, 92%);
    right: 3%;
    bottom: 4%;
  }

  .hud-out {
    font-size: 13px;
  }

  .hud-source {
    font-size: 12px;
  }

  .stage-select.feature-stage {
    height: auto;
    min-height: 0;
    padding: 14px 12px 16px;
  }

  .stage-select .page-sheet,
  .stage-select .hud-panel {
    position: relative;
    inset: auto;
    width: 100%;
    height: auto;
  }

  .stage-select .sel-line {
    max-width: none;
  }

  .stage-select .hud-panel {
    width: min(100%, 320px);
    margin: -20px 0 0 auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .button,
  .btn-glow::before,
  .waveform span {
    transition: none;
    animation: none;
  }
}