@font-face {
  font-family: "Plex Mono";
  src: url("/assets/IBMPlexMono-Regular-d3034935.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Plex Mono";
  src: url("/assets/IBMPlexMono-Medium-897c8c30.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

:root {
  --ink: #1d1d1f;
  --muted: #66666b;
  --paper: #f4f4f5;
  --line: rgba(29, 29, 31, 0.18);
  --accent: #343437;
  --accent-soft: #e8e8ea;
  --mono: "Plex Mono", "Microsoft YaHei UI", "PingFang SC", sans-serif;
}

* {
  box-sizing: border-box;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
  font: inherit;
}

.promo-shell {
  color: var(--ink);
  font-family: var(--mono);
  inset: 0;
  letter-spacing: 0;
  pointer-events: none;
  position: fixed;
  z-index: 40;
}

.promo-shell::before {
  background: var(--ink);
  content: "";
  height: 2px;
  left: 0;
  position: absolute;
  top: 0;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 800ms ease;
  width: 100%;
}

.promo-shell[data-ready="true"]::before {
  background: var(--accent);
  transform: scaleX(1);
}

.promo-interactive,
.drawer-panel,
.promo-drawer[aria-hidden="false"] {
  pointer-events: auto;
}

.promo-header {
  align-items: center;
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(220px, 1fr) auto minmax(220px, 1fr);
  left: 0;
  padding: 28px 42px 0;
  position: absolute;
  top: 0;
  width: 100%;
}

.brand-lockup {
  align-items: center;
  appearance: none;
  background: transparent;
  border: 0;
  cursor: pointer;
  display: flex;
  justify-self: start;
  margin: 0;
  padding: 0;
  text-align: left;
}

.brand-icon {
  align-items: center;
  -webkit-backdrop-filter: blur(14px) saturate(130%);
  backdrop-filter: blur(14px) saturate(130%);
  background: rgba(244, 247, 244, 0.48);
  border: 1px solid rgba(16, 21, 21, 0.22);
  border-radius: 50%;
  display: inline-flex;
  height: 46px;
  justify-content: center;
  overflow: hidden;
  width: 46px;
}

.brand-icon img {
  display: block;
  height: 58px;
  width: 58px;
}

.brand-meta {
  display: grid;
  gap: 3px;
  margin-left: 12px;
}

.brand-meta strong {
  font-size: 12px;
  font-weight: 600;
  line-height: 1.1;
}

.brand-meta small {
  color: var(--muted);
  font-size: 9px;
  line-height: 1.1;
}

.scene-nav {
  align-items: center;
  -webkit-backdrop-filter: blur(14px) saturate(125%);
  backdrop-filter: blur(14px) saturate(125%);
  background: rgba(244, 247, 244, 0.34);
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 8px;
  display: flex;
  gap: 22px;
  justify-content: center;
  padding: 3px 13px;
  box-shadow: 0 10px 30px rgba(52, 65, 68, 0.07);
}

.scene-nav button {
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  font-size: 11px;
  padding: 7px 0;
  transition: border-color 180ms ease, color 180ms ease;
}

.scene-nav button:hover,
.scene-nav button:focus-visible,
.scene-nav button.is-current {
  border-bottom-color: var(--ink);
}

.header-shop,
.primary-action {
  align-items: center;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid var(--accent);
  border-radius: 8px;
  color: var(--ink);
  display: inline-flex;
  font-size: 11px;
  font-weight: 600;
  gap: 16px;
  justify-content: space-between;
  min-height: 44px;
  padding: 0 16px;
  text-decoration: none;
  transition: background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.header-shop {
  justify-self: end;
}

.header-shop:hover,
.header-shop:focus-visible,
.primary-action:hover,
.primary-action:focus-visible {
  background: var(--accent);
  color: #ffffff;
  transform: translateY(-2px);
}

.scene-copy-wrap {
  height: 100%;
  position: relative;
  width: 100%;
}

.scene-copy {
  left: 42px;
  max-width: 610px;
  opacity: 0;
  position: absolute;
  top: 50%;
  transform: translate3d(0, calc(-50% + 20px), 0);
  transition: opacity 1200ms cubic-bezier(0.22, 1, 0.36, 1), transform 1400ms cubic-bezier(0.2, 0.72, 0.22, 1), visibility 0s linear 1200ms;
  visibility: hidden;
}

.scene-copy.is-active {
  opacity: 1;
  transform: translate3d(0, -50%, 0);
  transition: opacity 1200ms cubic-bezier(0.22, 1, 0.36, 1), transform 1400ms cubic-bezier(0.2, 0.72, 0.22, 1), visibility 0s;
  visibility: visible;
}

.eyebrow {
  align-items: center;
  color: var(--muted);
  display: flex;
  font-size: 10px;
  line-height: 1.4;
  margin: 0 0 20px;
}

.eyebrow > span {
  background: var(--accent);
  display: inline-block;
  height: 6px;
  margin-right: 9px;
  width: 6px;
}

.hero-copy h1 {
  align-items: flex-end;
  display: flex;
  font-family: var(--mono);
  font-size: 88px;
  font-weight: 600;
  line-height: 0.9;
  margin: 0;
  text-shadow: 0 1px 18px rgba(244, 247, 244, 0.42);
}

.hero-copy h1 small {
  border-left: 1px solid var(--ink);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.35;
  margin: 0 0 7px 18px;
  padding-left: 14px;
}

.lead {
  font-family: "Microsoft YaHei UI", "PingFang SC", sans-serif;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.35;
  margin: 24px 0 0;
}

.summary {
  color: #2b3535;
  font-family: "Microsoft YaHei UI", "PingFang SC", sans-serif;
  font-size: 14px;
  line-height: 1.8;
  margin: 12px 0 0;
  max-width: 480px;
}

.hero-actions {
  align-items: center;
  display: flex;
  gap: 22px;
  margin-top: 28px;
}

.hero-actions .primary-action {
  min-width: 138px;
}

.text-action {
  align-items: center;
  appearance: none;
  -webkit-backdrop-filter: blur(12px) saturate(125%);
  backdrop-filter: blur(12px) saturate(125%);
  background: rgba(244, 247, 244, 0.38);
  border: 1px solid rgba(16, 21, 21, 0.32);
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  font-size: 11px;
  gap: 18px;
  min-height: 44px;
  padding: 0 13px;
}

.text-action:hover,
.text-action:focus-visible {
  background: rgba(255, 255, 255, 0.58);
  border-color: var(--accent);
  color: var(--ink);
}

.tools-copy {
  max-width: 430px;
  top: 53%;
}

.scene-copy h2 {
  font-family: "Microsoft YaHei UI", "PingFang SC", sans-serif;
  font-size: 38px;
  font-weight: 700;
  line-height: 1.3;
  margin: 0;
}

.extension-line {
  display: flex;
  gap: 8px;
  margin: 22px 0 18px;
}

.extension-line span {
  -webkit-backdrop-filter: blur(12px) saturate(125%);
  backdrop-filter: blur(12px) saturate(125%);
  background: rgba(244, 247, 244, 0.58);
  border: 1px solid rgba(16, 21, 21, 0.28);
  border-radius: 6px;
  color: var(--ink);
  font-size: 9px;
  line-height: 28px;
  padding: 0 10px;
}

.extension-line span:last-child {
  background: rgba(29, 29, 31, 0.09);
  border-color: rgba(29, 29, 31, 0.3);
  color: var(--ink);
}

.capability-grid {
  display: grid;
  gap: 5px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  list-style: none;
  margin: 0;
  padding: 0;
}

.capability-grid li {
  -webkit-backdrop-filter: blur(12px) saturate(120%);
  backdrop-filter: blur(12px) saturate(120%);
  background: rgba(244, 247, 244, 0.32);
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 8px;
  display: grid;
  gap: 3px;
  grid-template-columns: 25px 1fr;
  min-height: 59px;
  padding: 10px 10px 8px;
}

.capability-grid li:nth-child(odd) {
  margin-right: 0;
}

.capability-grid small {
  color: var(--accent);
  font-size: 8px;
  grid-row: span 2;
  padding-top: 2px;
}

.capability-grid strong {
  font-family: "Microsoft YaHei UI", "PingFang SC", sans-serif;
  font-size: 14px;
  line-height: 1.2;
}

.capability-grid li > span {
  color: var(--muted);
  font-family: "Microsoft YaHei UI", "PingFang SC", sans-serif;
  font-size: 10px;
  line-height: 1.3;
}

.access-copy {
  max-width: 500px;
}

.price-highlights {
  display: grid;
  gap: 5px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 24px 0 0;
  width: 470px;
}

.price-highlights p {
  -webkit-backdrop-filter: blur(12px) saturate(125%);
  backdrop-filter: blur(12px) saturate(125%);
  background: rgba(244, 247, 244, 0.34);
  border: 1px solid rgba(16, 21, 21, 0.3);
  border-radius: 8px;
  display: grid;
  margin: 0;
  padding: 13px 12px 12px 0;
}

.price-highlights p + p {
  padding-left: 12px;
}

.price-highlights span {
  color: var(--muted);
  font-family: "Microsoft YaHei UI", "PingFang SC", sans-serif;
  font-size: 10px;
}

.price-highlights strong {
  font-size: 25px;
  font-weight: 600;
  line-height: 1.3;
  margin-top: 4px;
}

.price-highlights strong small {
  font-size: 8px;
  font-weight: 400;
}

.price-highlights .special strong {
  color: var(--ink);
}

.access-note {
  font-family: "Microsoft YaHei UI", "PingFang SC", sans-serif;
  font-size: 14px;
  font-weight: 700;
  margin: 20px 0 0;
}

.price-shop-action {
  display: flex;
  font-size: 16px;
  justify-content: center;
  margin-top: 18px;
  max-width: 600px;
  min-height: 62px;
  width: 100%;
}

.price-shop-action span {
  font-size: 20px;
  margin-left: 10px;
}

.scene-meter {
  -webkit-backdrop-filter: blur(12px) saturate(125%);
  backdrop-filter: blur(12px) saturate(125%);
  background: rgba(244, 247, 244, 0.24);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  bottom: 31px;
  display: flex;
  gap: 8px;
  left: 50%;
  position: absolute;
  padding: 1px 7px;
  transform: translateX(-50%);
}

.scene-meter button {
  appearance: none;
  background: transparent;
  border: 0;
  cursor: pointer;
  height: 20px;
  padding: 8px 0;
  width: 32px;
}

.scene-meter button span {
  background: rgba(16, 21, 21, 0.28);
  display: block;
  height: 2px;
  transition: background-color 180ms ease, transform 180ms ease;
  width: 100%;
}

.scene-meter button:hover span,
.scene-meter button:focus-visible span,
.scene-meter button.is-current span {
  background: var(--ink);
  transform: scaleY(2);
}

.promo-footer {
  align-items: flex-end;
  bottom: 27px;
  display: flex;
  justify-content: space-between;
  left: 42px;
  position: absolute;
  right: 42px;
}

.promo-footer p {
  color: var(--muted);
  font-size: 9px;
  margin: 0;
}

.live-dot {
  background: var(--accent);
  display: inline-block;
  height: 6px;
  margin-right: 8px;
  width: 6px;
}

.promo-shell[data-ready="false"] .live-dot {
  animation: status-pulse 1.2s steps(2, end) infinite;
  background: var(--accent);
}

.promo-drawer {
  inset: 0;
  opacity: 0;
  position: absolute;
  transition: opacity 420ms cubic-bezier(0.22, 1, 0.36, 1), visibility 0s linear 420ms;
  visibility: hidden;
}

.promo-drawer[aria-hidden="false"] {
  opacity: 1;
  transition: opacity 420ms cubic-bezier(0.22, 1, 0.36, 1), visibility 0s linear 0s;
  visibility: visible;
}

.drawer-backdrop {
  appearance: none;
  -webkit-backdrop-filter: blur(0) saturate(100%);
  backdrop-filter: blur(0) saturate(100%);
  background: rgba(255, 255, 255, 0);
  border: 0;
  cursor: pointer;
  inset: 0;
  margin: 0;
  padding: 0;
  position: absolute;
  transition: background-color 420ms cubic-bezier(0.22, 1, 0.36, 1), -webkit-backdrop-filter 420ms cubic-bezier(0.22, 1, 0.36, 1), backdrop-filter 420ms cubic-bezier(0.22, 1, 0.36, 1);
  width: 100%;
}

.drawer-panel {
  -webkit-backdrop-filter: blur(22px) saturate(130%);
  backdrop-filter: blur(22px) saturate(130%);
  background: rgba(244, 247, 244, 0.82);
  border-left: 1px solid var(--ink);
  border-radius: 8px 0 0 8px;
  bottom: 0;
  max-width: 520px;
  overflow-y: auto;
  padding: 32px 34px max(26px, env(safe-area-inset-bottom));
  position: absolute;
  right: 0;
  top: 0;
  touch-action: pan-y;
  transform: translateX(100%);
  transition: transform 420ms cubic-bezier(0.2, 0.72, 0.22, 1);
  width: 100%;
}

.promo-drawer[aria-hidden="false"] .drawer-panel {
  transform: translateX(0);
}

.drawer-header {
  align-items: flex-start;
  display: flex;
  justify-content: space-between;
}

.drawer-header .eyebrow {
  margin-bottom: 9px;
}

.drawer-header h2 {
  font-family: "Microsoft YaHei UI", "PingFang SC", sans-serif;
  font-size: 32px;
  line-height: 1.25;
  margin: 0;
}

.drawer-close {
  align-items: center;
  appearance: none;
  -webkit-backdrop-filter: blur(12px) saturate(125%);
  backdrop-filter: blur(12px) saturate(125%);
  background: rgba(255, 255, 255, 0.3);
  border: 1px solid var(--ink);
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  font-size: 24px;
  height: 40px;
  justify-content: center;
  line-height: 1;
  padding: 0 0 3px;
  width: 40px;
}

.drawer-close:hover,
.drawer-close:focus-visible {
  background: var(--ink);
  color: var(--paper);
}

.drawer-section {
  border-top: 1px solid var(--ink);
  margin-top: 34px;
  padding-top: 17px;
}

.section-heading {
  align-items: baseline;
  display: flex;
  justify-content: space-between;
}

.section-heading h3 {
  font-family: "Microsoft YaHei UI", "PingFang SC", sans-serif;
  font-size: 18px;
  margin: 0;
}

.section-heading > span {
  color: var(--muted);
  font-size: 8px;
}

.price-grid {
  display: grid;
  gap: 5px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 16px;
}

.price-grid article {
  -webkit-backdrop-filter: blur(12px) saturate(125%);
  backdrop-filter: blur(12px) saturate(125%);
  background: rgba(230, 234, 230, 0.66);
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: 8px;
  display: grid;
  min-height: 82px;
  padding: 12px;
}

.price-grid article.featured {
  background: rgba(29, 29, 31, 0.09);
  border-color: rgba(29, 29, 31, 0.3);
}

.price-grid article span {
  font-family: "Microsoft YaHei UI", "PingFang SC", sans-serif;
  font-size: 11px;
}

.price-grid article strong {
  align-self: end;
  font-size: 25px;
  font-weight: 600;
}

.price-grid article strong::after {
  content: " CNY";
  font-size: 7px;
  font-weight: 400;
}

.material-row {
  align-items: center;
  -webkit-backdrop-filter: blur(12px) saturate(125%);
  backdrop-filter: blur(12px) saturate(125%);
  background: rgba(29, 29, 31, 0.09);
  border: 1px solid rgba(29, 29, 31, 0.3);
  border-radius: 8px;
  display: flex;
  justify-content: space-between;
  margin-top: 1px;
  min-height: 62px;
  padding: 11px 13px;
}

.material-row > div {
  display: grid;
  gap: 4px;
}

.material-row span {
  font-family: "Microsoft YaHei UI", "PingFang SC", sans-serif;
  font-size: 12px;
  font-weight: 700;
}

.material-row small {
  font-size: 8px;
  font-weight: 400;
}

.material-row > strong {
  font-size: 25px;
}

.agency-section dl {
  margin: 15px 0 0;
}

.agency-section dl > div {
  align-items: baseline;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  padding: 11px 0;
}

.agency-section dt {
  font-family: "Microsoft YaHei UI", "PingFang SC", sans-serif;
  font-size: 11px;
}

.agency-section dd {
  font-size: 12px;
  font-weight: 600;
  margin: 0;
}

.agency-section > p,
.drawer-legal {
  color: var(--muted);
  font-family: "Microsoft YaHei UI", "PingFang SC", sans-serif;
  font-size: 10px;
  line-height: 1.65;
}

.drawer-cta {
  -webkit-backdrop-filter: blur(14px) saturate(125%);
  backdrop-filter: blur(14px) saturate(125%);
  background: rgba(255, 255, 255, 0.36);
  border: 1px solid rgba(16, 21, 21, 0.3);
  border-radius: 8px;
  color: var(--ink);
  margin-top: 30px;
  padding: 20px;
}

.drawer-cta p {
  font-family: "Microsoft YaHei UI", "PingFang SC", sans-serif;
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 16px;
}

.drawer-cta .primary-action {
  width: 100%;
}

.drawer-legal {
  margin: 18px 0 0;
}

noscript {
  background: #f4f7f4;
  color: #101515;
  display: block;
  font: 14px/1.6 sans-serif;
  inset: 0;
  padding: 40px;
  position: fixed;
  z-index: 100;
}

@keyframes status-pulse {
  50% {
    opacity: 0.25;
  }
}

@media (max-width: 1050px) {
  .promo-header {
    grid-template-columns: 1fr auto;
  }

  .scene-nav {
    display: none;
  }

  .scene-copy {
    max-width: 480px;
  }

  .hero-copy h1 {
    font-size: 76px;
  }
}

@media (max-width: 700px) {
  .promo-header {
    gap: 10px;
    padding: max(16px, env(safe-area-inset-top)) 16px 0;
  }

  .brand-icon {
    height: 40px;
    width: 40px;
  }

  .brand-icon img {
    height: 51px;
    width: 51px;
  }

  .brand-meta {
    margin-left: 9px;
  }

  .brand-meta strong {
    font-size: 10px;
  }

  .brand-meta small {
    font-size: 7px;
  }

  .header-shop {
    font-size: 9px;
    gap: 10px;
    min-height: 40px;
    padding: 0 12px;
  }

  .scene-copy {
    left: 16px;
    max-width: none;
    right: 16px;
    top: 49%;
  }

  .hero-copy {
    top: 35%;
  }

  .hero-copy h1 {
    font-size: 58px;
  }

  .hero-copy h1 small {
    font-size: 8px;
    margin-bottom: 4px;
    margin-left: 12px;
    padding-left: 10px;
  }

  .lead {
    font-size: 19px;
    margin-top: 19px;
  }

  .summary {
    font-size: 12px;
    line-height: 1.65;
    max-width: 340px;
  }

  .eyebrow {
    font-size: 8px;
    margin-bottom: 13px;
  }

  .hero-actions {
    gap: 16px;
    margin-top: 20px;
  }

  .scene-copy h2 {
    font-size: 29px;
  }

  .tools-copy {
    top: 29%;
  }

  .extension-line {
    margin: 14px 0 12px;
  }

  .capability-grid li {
    min-height: 50px;
    padding-bottom: 7px;
    padding-top: 8px;
  }

  .capability-grid strong {
    font-size: 13px;
  }

  .capability-grid li > span {
    font-size: 8px;
  }

  .access-copy {
    top: 40%;
  }

  .price-highlights {
    margin-top: 17px;
    width: 100%;
  }

  .price-highlights p {
    padding-bottom: 9px;
    padding-top: 9px;
  }

  .price-highlights strong {
    font-size: 20px;
  }

  .access-note {
    font-size: 12px;
    margin-top: 15px;
  }

  .price-shop-action {
    margin-top: 14px;
    min-height: 54px;
  }

  .scene-meter {
    bottom: max(49px, calc(env(safe-area-inset-bottom) + 40px));
  }

  .promo-footer {
    bottom: max(14px, env(safe-area-inset-bottom));
    left: 16px;
    right: 16px;
  }

  .promo-footer p:last-child {
    font-size: 8px;
  }

  .drawer-panel {
    border-left: 0;
    border-radius: 0;
    padding: max(22px, env(safe-area-inset-top)) 18px max(22px, env(safe-area-inset-bottom));
  }

  .drawer-header h2 {
    font-size: 27px;
  }

  .price-grid article {
    min-height: 72px;
    padding: 10px;
  }

  .price-grid article strong {
    font-size: 21px;
  }
}

@media (max-height: 680px) and (min-width: 701px) {
  .promo-header {
    padding-top: 18px;
  }

  .hero-copy h1 {
    font-size: 70px;
  }

  .lead {
    margin-top: 16px;
  }

  .summary {
    line-height: 1.55;
  }

  .hero-actions {
    margin-top: 18px;
  }

  .promo-footer,
  .scene-meter {
    bottom: 16px;
  }
}

@media (max-height: 620px) and (orientation: landscape) {
  .promo-header {
    padding: 14px 18px 0;
  }

  .brand-icon {
    height: 38px;
    width: 38px;
  }

  .brand-icon img {
    height: 49px;
    width: 49px;
  }

  .header-shop {
    min-height: 38px;
  }

  .scene-copy {
    left: 18px;
    max-width: 570px;
    top: 54%;
  }

  .hero-copy h1 {
    font-size: 54px;
  }

  .lead {
    font-size: 18px;
    margin-top: 12px;
  }

  .summary {
    font-size: 11px;
    line-height: 1.5;
    max-width: 430px;
  }

  .hero-actions {
    margin-top: 13px;
  }

  .tools-copy {
    max-width: 620px;
  }

  .scene-copy h2 {
    font-size: 26px;
    line-height: 1.2;
  }

  .extension-line {
    margin: 10px 0 8px;
  }

  .capability-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .capability-grid li,
  .capability-grid li:nth-child(odd) {
    margin-right: 14px;
    min-height: 44px;
    padding-bottom: 5px;
    padding-top: 6px;
  }

  .price-highlights {
    margin-top: 12px;
  }

  .access-note {
    margin-top: 11px;
  }

  .promo-footer {
    display: none;
  }

  .scene-meter {
    bottom: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .promo-shell::before,
  .scene-copy,
  .promo-drawer,
  .drawer-panel,
  .header-shop,
  .primary-action {
    transition-duration: 1ms;
  }

  .promo-shell[data-ready="false"] .live-dot {
    animation: none;
  }
}

/* Rhys visual refinement */
:root {
  --ink: #1d1d1f;
  --muted: #66666b;
  --paper: #f4f4f5;
  --line: rgba(29, 29, 31, 0.18);
  --accent: #343437;
  --accent-soft: #e8e8ea;
  --sans: "SF Pro Display", "SF Pro Text", "San Francisco", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --mono: var(--sans);
}

.promo-shell,
.promo-shell * {
  font-family: var(--sans) !important;
}

.promo-shell {
  color: var(--ink);
}

.promo-shell[data-ready="true"]::before,
.eyebrow > span,
.live-dot {
  background: var(--accent);
}

.brand-icon img {
  filter: grayscale(1) contrast(1.08);
}

.brand-lockup {
  text-align: left;
}

.brand-meta strong {
  font-size: 14px;
  letter-spacing: 0.02em;
}

.scene-nav,
.header-shop,
.primary-action,
.text-action,
.scene-meter,
.capability-grid li,
.price-highlights p,
.drawer-panel,
.price-grid article,
.material-row,
.drawer-cta {
  text-align: center;
}

.scene-nav button,
.header-shop,
.primary-action,
.text-action,
.drawer-close {
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.promo-interactive:hover,
.promo-interactive:focus-visible {
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  border-color: rgba(29, 29, 31, 0.52) !important;
  box-shadow: none;
  filter: none;
  transform: scale(1.025);
}

.header-shop,
.primary-action {
  background: rgba(255, 255, 255, 0.68);
  border-color: rgba(29, 29, 31, 0.36);
  color: var(--ink);
}

.header-shop:hover,
.header-shop:focus-visible,
.primary-action:hover,
.primary-action:focus-visible {
  background: rgba(255, 255, 255, 0.68) !important;
  border-color: var(--ink) !important;
  color: var(--ink) !important;
}

.text-action {
  background: rgba(255, 255, 255, 0.46);
  border-color: rgba(29, 29, 31, 0.28);
}

.text-action:hover,
.text-action:focus-visible {
  background: rgba(255, 255, 255, 0.46) !important;
  border-color: var(--ink) !important;
  color: var(--ink) !important;
}

.drawer-close:hover,
.drawer-close:focus-visible {
  background: rgba(255, 255, 255, 0.3) !important;
  border-color: var(--ink) !important;
  color: var(--ink) !important;
}

/* Keep the scene visible; legibility comes from type contrast, not a large overlay. */
.scene-copy {
  text-shadow: 0 1px 1px rgba(255, 255, 255, 0.74), 0 5px 18px rgba(255, 255, 255, 0.4);
}

.hero-copy h1,
.scene-copy h2,
.lead {
  text-shadow: 0 1px 1px rgba(255, 255, 255, 0.82), 0 4px 16px rgba(255, 255, 255, 0.46);
}

.summary,
.access-note {
  color: #343437;
  font-weight: 500;
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.86);
}

/* Corner hierarchy: primary actions, secondary actions, navigation and data cards. */
.primary-action {
  border-radius: 8px;
}

.header-shop,
.drawer-close,
.capability-grid li,
.price-grid article {
  border-radius: 6px;
}

.text-action,
.extension-line span,
.price-highlights p {
  border-radius: 4px;
}

.scene-nav,
.price-grid article.featured,
.material-row {
  border-radius: 8px;
}

.scene-nav button:hover,
.scene-nav button:focus-visible {
  background: transparent !important;
  box-shadow: none;
  transform: scale(1.12);
  transform-origin: center;
  transition-timing-function: cubic-bezier(0.22, 1.36, 0.38, 1);
  z-index: 1;
}

.scene-nav button {
  transform-origin: center;
  transition: border-color 180ms ease, color 180ms ease, transform 260ms cubic-bezier(0.22, 1, 0.36, 1);
}

.scene-copy {
  left: 50%;
  max-width: 720px;
  text-align: center;
  transform: translate3d(-50%, calc(-50% + 20px), 0);
  width: min(720px, calc(100vw - 48px));
}

.scene-copy.is-active {
  transform: translate3d(-50%, -50%, 0);
}

/* Let the opening 3D igloo establish itself before the homepage copy appears. */
.promo-shell[data-home-ready="false"] .hero-copy {
  opacity: 0;
  transform: translate3d(-50%, calc(-50% + 24px), 0);
  visibility: hidden;
}

.hero-copy h1 {
  align-items: center;
  display: flex;
  font-size: clamp(72px, 9vw, 132px);
  justify-content: center;
  letter-spacing: 0;
  line-height: 0.92;
}

.hero-copy h1 small {
  margin-bottom: 0;
  text-align: left;
}

.hero-actions,
.extension-line {
  justify-content: center;
}

.extension-line span,
.capability-grid li,
.price-highlights p,
.price-grid article,
.material-row,
.drawer-cta {
  background: rgba(255, 255, 255, 0.46);
  border-color: rgba(29, 29, 31, 0.18);
}

.extension-line span:last-child,
.price-grid article.featured,
.material-row {
  background: rgba(29, 29, 31, 0.09);
  border-color: rgba(29, 29, 31, 0.3);
  color: var(--ink);
}

.capability-grid li {
  grid-template-columns: 1fr;
  min-height: 78px;
}

.capability-grid small {
  color: var(--muted);
  grid-row: auto;
  padding-top: 0;
}

.price-highlights {
  gap: 7px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-left: auto;
  margin-right: auto;
  max-width: 560px;
  width: 100%;
}

.price-highlights p,
.price-highlights p + p {
  padding: 13px 10px 12px;
}

.price-highlights .special strong {
  color: var(--ink);
}

.promo-drawer[aria-hidden="false"] .drawer-backdrop {
  -webkit-backdrop-filter: blur(20px) saturate(102%);
  backdrop-filter: blur(20px) saturate(102%);
  background: rgba(255, 255, 255, 0.2);
}

.drawer-backdrop:hover,
.drawer-backdrop:focus-visible {
  border-color: transparent !important;
  box-shadow: none;
  transform: none;
}

.drawer-panel {
  background: rgba(246, 246, 247, 0.82);
  border-left-color: rgba(29, 29, 31, 0.36);
}

.drawer-header > div,
.section-heading,
.drawer-section > p,
.drawer-legal {
  text-align: center;
}

.section-heading {
  display: grid;
  gap: 5px;
  justify-items: center;
}

.agency-section dl > div {
  text-align: left;
}

.extensions-copy {
  max-width: 680px;
}

.extension-detail-grid {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 24px auto 0;
}

.extension-detail-grid article,
.community-groups article {
  -webkit-backdrop-filter: blur(10px) saturate(100%);
  backdrop-filter: blur(10px) saturate(100%);
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid rgba(29, 29, 31, 0.2);
  border-radius: 6px;
}

.extension-detail-grid article {
  display: grid;
  gap: 8px;
  min-height: 142px;
  padding: 18px;
}

.extension-detail-grid span,
.api-status span,
.community-groups span,
.channel-status span {
  color: var(--muted);
  font-size: 9px;
}

.extension-detail-grid strong {
  font-size: 16px;
  line-height: 1.25;
}

.extension-detail-grid p {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.55;
  margin: 0;
}

.api-status {
  align-items: center;
  display: flex;
  font-size: 11px;
  gap: 10px;
  justify-content: center;
  margin: 13px 0 0;
}

.api-status span {
  border-right: 1px solid rgba(29, 29, 31, 0.35);
  padding-right: 10px;
}

.community-groups {
  display: grid;
  gap: 6px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 13px auto 0;
  max-width: 410px;
}

.community-groups article {
  display: grid;
  gap: 5px;
  min-height: 62px;
  padding: 10px 12px;
}

.community-groups strong {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.channel-status {
  align-items: center;
  display: flex;
  font-size: 10px;
  gap: 9px;
  justify-content: center;
  margin-top: 10px;
}

.channel-status span + span {
  border-left: 1px solid rgba(29, 29, 31, 0.28);
  padding-left: 9px;
}

.channel-status strong {
  font-size: 10px;
  font-weight: 500;
}

@media (max-width: 620px) {
  .scene-copy {
    width: min(100% - 28px, 520px);
  }

  .hero-copy h1 {
    font-size: 62px;
  }

  .hero-copy h1 small {
    font-size: 9px;
    margin-left: 11px;
    padding-left: 9px;
  }

  .price-highlights {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .capability-grid li {
    min-height: 64px;
  }

  .extensions-copy {
    max-width: 520px;
  }

  .extension-detail-grid {
    gap: 6px;
    margin-top: 16px;
  }

  .extension-detail-grid article {
    min-height: 124px;
    padding: 13px 10px;
  }

  .extension-detail-grid strong {
    font-size: 13px;
  }

  .extension-detail-grid p {
    font-size: 9px;
  }

  .community-groups {
    margin-top: 9px;
  }

  .community-groups article {
    min-height: 54px;
    padding: 8px 10px;
  }

  .community-groups strong {
    font-size: 14px;
  }

  .channel-status {
    margin-top: 7px;
  }
}

/* Four-section layout: reserve the center for the 3D scene and keep information scan-friendly. */
.price-copy,
.contact-copy,
.dev-copy {
  left: clamp(34px, 9vw, 150px);
  max-width: 760px;
  text-align: left;
  transform: translate3d(0, calc(-50% + 20px), 0);
  width: min(760px, calc(100vw - 68px));
}

.price-copy.is-active,
.contact-copy.is-active,
.dev-copy.is-active {
  transform: translate3d(0, -50%, 0);
}

.price-copy .price-highlights {
  margin-left: 0;
  margin-right: 0;
  max-width: 600px;
}

.material-strip {
  align-items: center;
  -webkit-backdrop-filter: blur(10px) saturate(100%);
  backdrop-filter: blur(10px) saturate(100%);
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid rgba(29, 29, 31, 0.2);
  border-radius: 6px;
  display: flex;
  gap: 12px;
  margin-top: 8px;
  max-width: 600px;
  min-height: 48px;
  padding: 9px 13px;
}

.material-strip span,
.material-strip small {
  color: var(--muted);
  font-size: 10px;
}

.material-strip strong {
  font-size: 18px;
  margin-left: auto;
}

.material-strip small {
  border-left: 1px solid rgba(29, 29, 31, 0.25);
  padding-left: 12px;
}

.contact-copy,
.dev-copy {
  max-width: 690px;
}

.contact-intro,
.dev-intro {
  color: #343437;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.7;
  margin: 16px 0 0;
  max-width: 430px;
}

.contact-actions {
  display: grid;
  gap: 8px;
  grid-template-columns: minmax(220px, 1.35fr) repeat(2, minmax(126px, 1fr));
  margin-top: 24px;
  max-width: 690px;
}

.contact-action {
  appearance: none;
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid rgba(29, 29, 31, 0.25);
  border-radius: 6px;
  color: var(--ink);
  display: grid;
  gap: 7px;
  min-height: 104px;
  padding: 15px;
  text-align: left;
  text-decoration: none;
}

.contact-action span,
.contact-action small {
  color: var(--muted);
  font-size: 9px;
}

.contact-action strong {
  font-size: 17px;
}

.contact-action:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

.qq-action {
  background: rgba(255, 255, 255, 0.56);
}

.dev-intro {
  max-width: 455px;
}

.js-example {
  -webkit-backdrop-filter: blur(10px) saturate(100%);
  backdrop-filter: blur(10px) saturate(100%);
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid rgba(29, 29, 31, 0.2);
  border-radius: 6px;
  font-size: 13px;
  line-height: 1.75;
  margin: 22px 0 0;
  max-width: 520px;
  overflow-x: auto;
  padding: 17px 19px;
  text-align: left;
}

.js-example,
.js-example * {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace !important;
}

.api-doc-action {
  appearance: none;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(29, 29, 31, 0.34);
  border-radius: 8px;
  color: var(--ink);
  cursor: not-allowed;
  font-size: 12px;
  margin-top: 12px;
  min-height: 42px;
  padding: 0 14px;
}

.api-doc-action small {
  color: var(--muted);
  font-size: 9px;
  margin-left: 8px;
}

@media (max-width: 620px) {
  .price-copy,
  .contact-copy,
  .dev-copy {
    left: 14px;
    max-width: none;
    width: calc(100vw - 28px);
  }

  .price-copy h2,
  .contact-copy h2,
  .dev-copy h2 {
    font-size: 32px;
  }

  .price-copy .price-highlights,
  .material-strip {
    max-width: none;
  }

  .contact-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 17px;
  }

  .qq-action {
    grid-column: span 2;
    min-height: 72px;
  }

  .contact-action {
    min-height: 64px;
    padding: 10px;
  }

  .contact-action strong {
    font-size: 14px;
  }

  .contact-intro,
  .dev-intro {
    font-size: 12px;
    margin-top: 11px;
  }

  .js-example {
    font-size: 11px;
    margin-top: 15px;
    padding: 13px;
  }
}

.promo-interactive,
.contact-action,
.api-doc-action {
  transition: transform 220ms cubic-bezier(0.22, 1, 0.36, 1), border-color 180ms ease, background-color 180ms ease, color 180ms ease;
  will-change: transform;
}

.promo-interactive:hover,
.promo-interactive:focus-visible {
  transition-duration: 220ms, 180ms, 180ms, 180ms;
}