@import url("https://fonts.googleapis.com/css2?family=Newsreader:opsz,wght@6..72,500;6..72,600;6..72,700&family=Outfit:wght@300;400;500;600;700;800&family=Noto+Sans+SC:wght@400;500;700;800&display=swap");

:root {
  color-scheme: light;
  --ink: #151716;
  --ink-soft: #3d4542;
  --muted: #6d7975;
  --quiet: #8b9692;
  --snow: #fbfbf8;
  --paper: #f2f4ef;
  --mist: #e5ebe6;
  --glass: rgba(255, 255, 255, 0.54);
  --glass-strong: rgba(255, 255, 255, 0.82);
  --line: rgba(21, 23, 22, 0.1);
  --line-strong: rgba(21, 23, 22, 0.18);
  --fjord: #5d7880;
  --fjord-dark: #33494e;
  --spruce: #536d62;
  --amber: #b98549;
  --shadow: 0 24px 70px rgba(29, 42, 39, 0.12);
  --shadow-soft: 0 12px 36px rgba(29, 42, 39, 0.08);
  --max: 1168px;
  --radius: 8px;
  --radius-lg: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--ink);
  font-family: Outfit, Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    linear-gradient(105deg, rgba(93, 120, 128, 0.12), transparent 34%),
    linear-gradient(245deg, rgba(83, 109, 98, 0.1), transparent 36%),
    linear-gradient(180deg, #fbfbf8 0%, #eef3ef 52%, #f7f6f0 100%);
  line-height: 1.5;
}

body.zh,
body.support-page.zh {
  font-family: "Noto Sans SC", Outfit, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(21, 23, 22, 0.034) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 23, 22, 0.028) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.72), transparent 76%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;
  background:
    radial-gradient(circle at 16% 12%, rgba(255, 255, 255, 0.95), transparent 24%),
    radial-gradient(circle at 84% 8%, rgba(197, 211, 207, 0.56), transparent 28%),
    radial-gradient(circle at 80% 86%, rgba(198, 209, 197, 0.5), transparent 30%);
}

a {
  color: inherit;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

code,
pre {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  overflow-wrap: anywhere;
}

.site-shell,
.launch-shell {
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
}

.site-header,
.launch-header,
.support-page .topbar {
  position: sticky;
  top: 14px;
  z-index: 50;
  margin-top: 14px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  background: rgba(251, 251, 248, 0.68);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(24px) saturate(1.18);
  -webkit-backdrop-filter: blur(24px) saturate(1.18);
}

.site-header,
.launch-header {
  min-height: 64px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 12px;
  border-radius: 999px;
}

.brand,
.launch-brand,
.support-page .brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
  min-width: max-content;
}

.brand-mark,
.launch-mark,
.support-page .brand-mark {
  position: relative;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 10px;
  background: #171918;
  color: var(--snow);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08), 0 12px 28px rgba(21, 23, 22, 0.18);
}

.brand-mark::after,
.launch-mark::after,
.support-page .brand-star {
  content: "";
  position: absolute;
  right: 6px;
  top: 6px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--amber);
  transform: rotate(45deg);
  box-shadow: 0 0 18px rgba(185, 133, 73, 0.45);
}

.launch-mark::before,
.support-page .brand-mark::before {
  content: "TS";
  position: relative;
  z-index: 1;
}

.brand-text,
.launch-brand span:not(.launch-mark),
.support-page .brand-text strong {
  font-size: 0.96rem;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.support-page .brand-text {
  display: grid;
  gap: 2px;
}

.support-page .brand-text span {
  color: var(--muted);
  font-size: 0.74rem;
  line-height: 1;
}

.site-nav,
.launch-nav,
.header-actions,
.launch-header-action,
.lang-toggle,
.support-page .top-links,
.support-page .header-meta {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
}

.site-nav a,
.site-nav summary,
.launch-nav a,
.header-actions a,
.launch-cta,
.lang-toggle a,
.support-page .top-links > a,
.support-page .chip {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0 13px;
  color: rgba(21, 23, 22, 0.72);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
  line-height: 1;
}

.site-nav summary {
  list-style: none;
  cursor: pointer;
}

.site-nav summary::-webkit-details-marker {
  display: none;
}

.site-nav a:hover,
.site-nav summary:hover,
.launch-nav a:hover,
.header-actions a:hover,
.lang-toggle a:hover,
.support-page .top-links > a:hover {
  border-color: rgba(21, 23, 22, 0.1);
  background: rgba(255, 255, 255, 0.7);
}

.launch-nav svg,
.launch-cta svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.launch-nav .active,
.lang-toggle a.active {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.78);
  border-color: rgba(21, 23, 22, 0.1);
}

.product-menu {
  position: relative;
}

.product-menu-panel {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 240px;
  display: grid;
  gap: 6px;
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, 0.76);
  border-radius: 16px;
  background: rgba(251, 251, 248, 0.86);
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
}

.product-menu[open] .product-menu-panel,
.product-menu:hover .product-menu-panel,
.product-menu:focus-within .product-menu-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.product-menu-panel a {
  min-height: auto;
  display: grid;
  justify-content: start;
  gap: 4px;
  border-radius: 12px;
  padding: 12px;
  text-transform: none;
  letter-spacing: 0;
}

.product-menu-panel span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 500;
}

.cta-link,
.launch-cta,
.button-primary,
.launch-button.primary,
.support-page .btn-primary,
.support-page .copy-row button {
  background: #171918;
  color: #fff !important;
  border-color: #171918 !important;
  box-shadow: 0 15px 34px rgba(21, 23, 22, 0.16);
}

main {
  padding-bottom: 70px;
}

.hero,
.launch-hero {
  min-height: calc(100vh - 94px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.86fr);
  align-items: center;
  gap: clamp(34px, 7vw, 96px);
  padding: clamp(58px, 8vw, 96px) 0 42px;
}

.launch-hero {
  grid-template-columns: minmax(0, 0.98fr) minmax(310px, 0.86fr);
}

.hero-copy,
.launch-copy {
  max-width: 690px;
  min-width: 0;
}

.home-kicker,
.launch-kicker,
.support-page .eyebrow {
  display: none;
}

h1 {
  max-width: 11.5ch;
  margin-bottom: 24px;
  font-family: Newsreader, Georgia, serif;
  font-size: clamp(3.5rem, 8vw, 7.4rem);
  font-weight: 600;
  letter-spacing: 0;
  line-height: 0.92;
}

.launch-copy h1 {
  max-width: 11ch;
}

.zh h1 {
  max-width: 8.5em;
  font-family: "Noto Sans SC", Outfit, sans-serif;
  font-size: clamp(2.7rem, 5.8vw, 5.6rem);
  font-weight: 800;
  line-height: 1.08;
}

.orange {
  color: var(--fjord-dark);
  font-style: italic;
}

.lead,
.launch-lead {
  max-width: 62ch;
  margin-bottom: 28px;
  color: var(--ink-soft);
  font-size: clamp(1.04rem, 1.55vw, 1.26rem);
  font-weight: 300;
  line-height: 1.72;
}

.hero-actions,
.launch-actions,
.action-row,
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.button,
.launch-button,
.support-page .btn,
.support-page .copy-row button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid rgba(21, 23, 22, 0.12);
  border-radius: 999px;
  padding: 0 22px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.52);
  font-size: 0.86rem;
  font-weight: 700;
  text-decoration: none;
  backdrop-filter: blur(14px);
}

.button-secondary,
.launch-button.secondary,
.support-page .btn-secondary {
  background: rgba(255, 255, 255, 0.5);
  color: var(--ink);
}

.button.button-primary,
.support-page .btn.btn-primary {
  background: #171918;
  color: #fff !important;
  border-color: #171918 !important;
  box-shadow: 0 15px 34px rgba(21, 23, 22, 0.16);
}

.trust-strip,
.launch-proof-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 36px;
}

.launch-proof-row {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.trust-item,
.launch-proof,
.product-panel,
.feature-card,
.metric,
.route-step,
.launch-feature,
.launch-trust,
.support-page .section,
.support-page .sidebar,
.support-page .soft-card,
.support-page .meta-card,
.support-page .notice,
.support-page .bug-box {
  border: 1px solid rgba(255, 255, 255, 0.76);
  background: var(--glass);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px) saturate(1.15);
  -webkit-backdrop-filter: blur(18px) saturate(1.15);
}

.trust-item,
.launch-proof {
  min-height: 122px;
  border-radius: var(--radius-lg);
  padding: 20px;
}

.trust-item strong,
.launch-proof strong,
.metric strong,
.route-step strong {
  display: block;
  margin-bottom: 6px;
  color: var(--ink);
  font-size: 1rem;
  font-weight: 700;
}

.trust-item span,
.launch-proof span span,
.metric span,
.route-step p {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.launch-proof {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.launch-proof-icon,
.launch-feature-icon,
.launch-trust-icon {
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.62);
  color: var(--fjord-dark);
  border: 1px solid rgba(21, 23, 22, 0.08);
}

.launch-proof-icon svg,
.launch-feature-icon svg,
.launch-trust-icon svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.studio-visual,
.product-visual,
.launch-device-wrap {
  position: relative;
  min-height: 520px;
  display: grid;
  place-items: center;
}

.studio-visual::before,
.product-visual::before,
.launch-device-wrap::before {
  content: "";
  position: absolute;
  width: min(76vw, 500px);
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.88), rgba(93, 120, 128, 0.18)),
    radial-gradient(circle at 35% 35%, rgba(185, 133, 73, 0.18), transparent 28%);
  filter: blur(4px);
  opacity: 0.9;
}

.canvas-stack {
  position: relative;
  width: min(100%, 430px);
  min-height: 410px;
}

.mini-window {
  position: absolute;
  width: min(280px, 72vw);
  border: 1px solid rgba(255, 255, 255, 0.84);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
  padding: 20px;
  backdrop-filter: blur(24px);
}

.window-one {
  right: 8px;
  top: 12px;
}

.window-two {
  left: 0;
  top: 140px;
}

.window-three {
  right: 0;
  bottom: 0;
}

.window-bar {
  display: flex;
  gap: 6px;
  margin-bottom: 18px;
}

.window-bar span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(21, 23, 22, 0.16);
}

.mini-window strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.02rem;
}

.mini-window p {
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 0.9rem;
}

.line,
.tokens span,
.meter,
.meter span {
  display: block;
  border-radius: 999px;
  background: rgba(21, 23, 22, 0.12);
}

.line {
  width: 45%;
  height: 7px;
  margin-top: 8px;
}

.line.wide {
  width: 72%;
}

.tokens {
  display: flex;
  gap: 8px;
}

.tokens span {
  width: 38px;
  height: 18px;
}

.meter {
  height: 10px;
  overflow: hidden;
}

.meter span {
  width: 66%;
  height: 100%;
  background: var(--fjord);
}

.band,
.launch-feature-panel {
  padding: 56px 0;
}

.section-head {
  max-width: 720px;
  margin-bottom: 28px;
}

h2 {
  margin-bottom: 14px;
  font-family: Newsreader, Georgia, serif;
  font-size: clamp(2.2rem, 4vw, 4rem);
  font-weight: 600;
  line-height: 1.02;
}

.zh h2 {
  font-family: "Noto Sans SC", Outfit, sans-serif;
  font-weight: 800;
}

.section-head p {
  max-width: 68ch;
  color: var(--ink-soft);
  font-size: 1.08rem;
  font-weight: 300;
  line-height: 1.7;
}

.product-grid,
.feature-grid,
.metrics-grid,
.route-line,
.launch-feature-grid,
.launch-trust-strip {
  display: grid;
  gap: 16px;
}

.product-grid {
  grid-template-columns: minmax(0, 1.5fr) minmax(260px, 0.7fr);
}

.feature-grid,
.metrics-grid,
.route-line,
.launch-feature-grid,
.launch-trust-strip {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.product-panel,
.feature-card,
.metric,
.route-step,
.launch-feature,
.launch-trust {
  min-width: 0;
  border-radius: var(--radius-lg);
  padding: clamp(22px, 3vw, 34px);
}

.product-panel {
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}

.product-panel:first-child {
  position: relative;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.74), rgba(222, 232, 226, 0.42)),
    var(--glass);
}

.product-panel:first-child::after {
  content: "";
  position: absolute;
  right: -72px;
  bottom: -92px;
  width: 270px;
  height: 270px;
  border: 1px solid rgba(21, 23, 22, 0.08);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.42);
}

h3 {
  margin-bottom: 12px;
  color: var(--ink);
  font-size: 1.24rem;
  font-weight: 700;
  line-height: 1.2;
}

.product-panel h3 {
  font-family: Newsreader, Georgia, serif;
  font-size: clamp(2rem, 3vw, 3.2rem);
  font-weight: 600;
}

.product-panel p,
.feature-card p,
.launch-feature p,
.launch-trust span {
  color: var(--muted);
  line-height: 1.66;
}

.product-panel.secondary {
  min-height: 320px;
}

.launch-phone,
.device {
  position: relative;
  width: min(340px, 88vw);
  min-height: 660px;
  padding: 14px;
  border: 1px solid rgba(21, 23, 22, 0.16);
  border-radius: 42px;
  background: #171918;
  box-shadow: 0 36px 80px rgba(21, 23, 22, 0.24);
}

.launch-screen,
.device-screen {
  min-height: 630px;
  overflow: hidden;
  border-radius: 31px;
  background:
    linear-gradient(180deg, #f9faf5, #edf3ee),
    var(--paper);
  padding: 18px;
}

.phone-status,
.status-line,
.phone-title,
.screen-title,
.phone-echo-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.phone-status,
.status-line {
  margin-bottom: 20px;
  color: rgba(21, 23, 22, 0.72);
  font-size: 0.78rem;
  font-weight: 700;
}

.phone-title,
.screen-title {
  margin-bottom: 18px;
}

.phone-title strong,
.screen-title strong {
  font-family: Newsreader, Georgia, serif;
  font-size: 1.8rem;
  font-weight: 600;
}

.phone-tabs,
.mode-tabs,
.filter-row {
  display: flex;
  gap: 7px;
  overflow: auto;
  margin-bottom: 12px;
  padding-bottom: 4px;
}

.phone-tabs span,
.mode-tabs span,
.filter-row span {
  flex: 0 0 auto;
  border: 1px solid rgba(21, 23, 22, 0.08);
  border-radius: 999px;
  padding: 8px 11px;
  background: rgba(255, 255, 255, 0.55);
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
}

.phone-tabs .active,
.mode-tabs .active {
  background: #171918;
  color: white;
}

.phone-word-list,
.knot-list {
  display: grid;
  gap: 10px;
  margin: 18px 0;
}

.phone-word,
.knot-card,
.phone-echo-card,
.float-card {
  border: 1px solid rgba(21, 23, 22, 0.08);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.62);
  padding: 14px;
  box-shadow: 0 10px 24px rgba(29, 42, 39, 0.06);
}

.phone-word strong,
.knot-card strong {
  display: block;
  margin-bottom: 6px;
}

.phone-word small,
.knot-card p {
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.46;
}

.level,
.knot-card em {
  float: right;
  border-radius: 999px;
  padding: 3px 7px;
  background: rgba(93, 120, 128, 0.14);
  color: var(--fjord-dark);
  font-size: 0.68rem;
  font-style: normal;
}

.level.green {
  background: rgba(83, 109, 98, 0.15);
  color: var(--spruce);
}

.phone-echo-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 74px;
  gap: 12px;
  align-items: center;
}

.phone-echo-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.45;
}

.echo-thumb {
  height: 74px;
  border-radius: 16px;
  background:
    linear-gradient(135deg, rgba(185, 133, 73, 0.55), rgba(93, 120, 128, 0.36)),
    #dde7e1;
}

.phone-bottom-nav,
.glass-nav {
  position: absolute;
  left: 26px;
  right: 26px;
  bottom: 28px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.72);
  padding: 8px;
  backdrop-filter: blur(18px);
}

.phone-bottom-nav span,
.glass-nav span {
  display: grid;
  gap: 3px;
  place-items: center;
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 700;
}

.phone-bottom-nav .active,
.glass-nav .active {
  color: var(--ink);
}

.float-card {
  position: absolute;
  right: 0;
  bottom: 80px;
  max-width: 240px;
}

.float-card strong,
.float-card span {
  display: block;
}

.float-card span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

.launch-feature-panel {
  display: grid;
  gap: 18px;
}

.launch-feature,
.launch-trust {
  display: flex;
  gap: 16px;
}

.site-footer,
.launch-footer,
.support-page footer {
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto 28px;
  border-top: 1px solid var(--line);
  padding: 26px 0;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-footer a,
.launch-footer a,
.support-page footer a {
  text-decoration: none;
}

.skip-link {
  position: absolute;
  top: -48px;
  left: 12px;
  z-index: 999;
  border-radius: 999px;
  background: #fff;
  padding: 8px 12px;
}

.skip-link:focus {
  top: 12px;
}

.support-page .topbar {
  border-radius: 0;
  top: 0;
  margin-top: 0;
}

.support-page .topbar-inner {
  width: min(var(--max), calc(100% - 36px));
  margin: 0 auto;
  padding: 12px 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.support-page .chip,
.support-page .top-links > a {
  min-height: 32px;
  background: rgba(255, 255, 255, 0.54);
  color: rgba(21, 23, 22, 0.72);
}

.support-page .page {
  width: min(var(--max), calc(100% - 36px));
  display: grid;
  grid-template-columns: 270px minmax(0, 1fr);
  gap: 18px;
  margin: 28px auto 48px;
}

.support-page .sidebar {
  position: sticky;
  top: 92px;
  height: fit-content;
  border-radius: var(--radius-lg);
  padding: 18px;
}

.support-page .side-title {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.support-page .side-nav,
.support-page .mobile-nav {
  display: grid;
  gap: 4px;
}

.support-page .side-nav a,
.support-page .mobile-nav a {
  border-radius: 10px;
  padding: 9px 10px;
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
}

.support-page .side-nav a:hover,
.support-page .side-nav a.is-active,
.support-page .mobile-nav a:hover {
  background: rgba(255, 255, 255, 0.76);
  color: var(--ink);
}

.support-page .side-box {
  margin-top: 18px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.support-page .side-box h3 {
  font-size: 1rem;
}

.support-page .content {
  min-width: 0;
  max-width: 100%;
  display: grid;
  gap: 16px;
}

.support-page .mobile-nav {
  display: none;
}

.support-page .section {
  min-width: 0;
  max-width: 100%;
  border-radius: var(--radius-lg);
  padding: clamp(24px, 3.5vw, 42px);
}

.support-page .hero {
  min-height: auto;
  display: block;
  padding: clamp(28px, 4vw, 50px);
}

.support-page h1 {
  max-width: 14ch;
  font-size: clamp(2.8rem, 5.4vw, 5.9rem);
  overflow-wrap: break-word;
}

.support-page .lead {
  max-width: 72ch;
}

.support-page h2 {
  font-size: clamp(1.8rem, 3vw, 3rem);
}

.support-page h3 {
  margin-top: 22px;
}

.support-page .hero-grid,
.support-page .grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.support-page .meta-card,
.support-page .soft-card {
  border-radius: 14px;
  padding: 18px;
}

.support-page .meta-card span,
.support-page .meta,
.support-page .soft-card p,
.support-page li {
  color: var(--muted);
}

.support-page .inline-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  list-style: none;
}

.support-page .inline-list li,
.support-page .pill {
  border: 1px solid rgba(21, 23, 22, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.58);
  padding: 7px 10px;
  color: var(--ink-soft);
  font-size: 0.86rem;
  font-weight: 700;
}

.support-page .steps,
.support-page .list {
  padding-left: 1.25rem;
}

.support-page .steps li,
.support-page .list li {
  margin: 8px 0;
}

.support-page .table-wrap {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.46);
}

.support-page table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

.support-page th,
.support-page td {
  border-bottom: 1px solid var(--line);
  padding: 13px 14px;
  text-align: left;
  vertical-align: top;
}

.support-page th {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.54);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.support-page details {
  border-top: 1px solid var(--line);
  padding: 14px 0;
}

.support-page summary {
  cursor: pointer;
  color: var(--ink);
  font-weight: 700;
}

.support-page pre {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.58);
  padding: 16px;
  color: var(--ink-soft);
  white-space: pre-wrap;
}

.support-page .copy-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
}

.support-page .status {
  color: var(--muted);
  font-size: 0.9rem;
}

.support-page .footer-inner {
  width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.support-page .footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

@media (prefers-reduced-motion: no-preference) {
  .button,
  .launch-button,
  .site-nav a,
  .launch-nav a,
  .mini-window,
  .product-panel,
  .feature-card {
    transition: transform 180ms ease, background 180ms ease, border-color 180ms ease, opacity 180ms ease;
  }

  .button:hover,
  .launch-button:hover,
  .product-panel:hover,
  .feature-card:hover {
    transform: translateY(-2px);
  }
}

@media (max-width: 980px) {
  .site-header,
  .launch-header {
    border-radius: 24px;
  }

  .hero,
  .launch-hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 48px;
  }

  .studio-visual,
  .product-visual,
  .launch-device-wrap {
    min-height: 460px;
  }

  .trust-strip,
  .launch-proof-row,
  .product-grid,
  .feature-grid,
  .metrics-grid,
  .route-line,
  .launch-feature-grid,
  .launch-trust-strip,
  .support-page .hero-grid,
  .support-page .grid-2 {
    grid-template-columns: 1fr;
  }

  .support-page .page {
    grid-template-columns: 1fr;
  }

  .support-page .sidebar {
    display: none;
  }

  .support-page .mobile-nav {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
    margin-bottom: 4px;
  }

  .support-page .mobile-nav a {
    flex: 0 0 auto;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.6);
  }
}

@media (max-width: 700px) {
  .site-shell,
  .launch-shell,
  .support-page .page,
  .support-page .topbar-inner,
  .site-footer,
  .launch-footer,
  .support-page footer {
    width: min(100% - 24px, var(--max));
  }

  .site-header,
  .launch-header {
    align-items: flex-start;
    padding: 12px;
  }

  .site-nav,
  .launch-nav {
    order: 3;
    width: 100%;
    overflow: visible;
    flex-wrap: wrap;
    padding-bottom: 2px;
  }

  .site-nav a,
  .site-nav summary,
  .launch-nav a {
    flex: 1 1 auto;
  }

  .header-actions,
  .launch-header-action {
    margin-left: auto;
  }

  h1 {
    font-size: clamp(3rem, 16vw, 4.7rem);
  }

  .zh h1 {
    max-width: 7.6em;
    font-size: clamp(2.2rem, 10vw, 3.35rem);
  }

  .lead,
  .launch-lead {
    font-size: 1.02rem;
  }

  .hero-actions,
  .launch-actions,
  .action-row,
  .cta-row {
    align-items: stretch;
  }

  .button,
  .launch-button,
  .support-page .btn {
    width: 100%;
  }

  .trust-strip {
    margin-top: 24px;
  }

  .canvas-stack {
    min-height: 500px;
  }

  .window-one,
  .window-two,
  .window-three {
    left: 50%;
    right: auto;
    transform: translateX(-50%);
  }

  .window-two {
    top: 162px;
  }

  .window-three {
    top: 316px;
    bottom: auto;
  }

  .launch-phone,
  .device {
    min-height: 620px;
  }

  .launch-screen,
  .device-screen {
    min-height: 590px;
  }

  .float-card {
    position: relative;
    right: auto;
    bottom: auto;
    margin-top: -70px;
  }

  .site-footer,
  .launch-footer,
  .support-page .footer-inner {
    flex-direction: column;
  }

  .support-page .topbar-inner {
    align-items: flex-start;
  }

  .support-page .header-meta {
    display: none;
  }

  .support-page .mobile-nav {
    display: flex;
  }

  .support-page .section,
  .support-page .hero {
    padding: 22px;
  }

  .support-page h1 {
    max-width: 100%;
    font-size: clamp(2.1rem, 10vw, 3.15rem);
  }
}