:root {
  color-scheme: dark;
  --bg: #181818;
  --paper: #222222;
  --text: #e8e8e4;
  --muted: #a4a49e;
  --line: #2f2f2d;
  --accent: #34b96b;
  --accent-deep: #4ecb82;
  --soft: #34b96b1a;
  --serif: Georgia,'Songti SC','STSong',serif;
  --ease: cubic-bezier(.22,1,.36,1);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.75 -apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

button {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  cursor: pointer;
}

button:focus-visible,a:focus-visible,summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 5px;
}

::selection {
  background: #335c4c;
}

.wrap {
  width: min(1240px,calc(100% - 96px));
  margin-inline: auto;
}

.mono,.item-number,.tour-count,.section-kicker,.promise-strip p>span {
  font-family: ui-monospace,'SFMono-Regular',Consolas,monospace;
}

.skip {
  position: fixed;
  top: 12px;
  left: 12px;
  transform: translateY(-160%);
  background: var(--paper);
  padding: 8px 16px;
  z-index: 100;
}

.skip:focus {
  transform: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

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

h2 {
  font-size: clamp(32px,3.7vw,48px);
  letter-spacing: -.045em;
  line-height: 1.35;
  font-weight: 600;
}

.section {
  padding-block: 108px;
}

.section-kicker {
  color: var(--accent);
  font-size: 12px;
  letter-spacing: .12em;
  margin-bottom: 20px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-size: 14px;
  font-weight: 500;
  border-bottom: 1px solid #93a18c;
  padding-block: 6px;
}

.text-link:hover {
  color: var(--accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 26px;
  line-height: 1.3;
  padding: 15px 24px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 500;
  transition: background .2s,transform .2s;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: none;
}

.btn-primary:hover {
  background: var(--accent-deep);
}

.btn-dark {
  background: var(--text);
  color: white;
}

.btn-sm {
  padding: 10px 16px;
  font-size: 12px;
  gap: 18px;
}

.btn-lg {
  font-size: 14px;
}

.actions {
  display: flex;
  align-items: center;
  gap: 26px;
  flex-wrap: wrap;
}

.promise-strip {
  display: grid;
  grid-template-columns: repeat(3,1fr) auto;
  align-items: center;
  border-block: 1px solid var(--line);
  padding-block: 23px;
  gap: 18px;
}

.promise-strip p {
  margin: 0;
  font-size: 12px;
  white-space: nowrap;
}

.promise-strip p>span {
  color: #83837d;
  font-size: 10px;
  margin-right: 12px;
}

.promise-strip>a {
  font-size: 11px;
  color: var(--muted);
  border-left: 1px solid var(--line);
  padding-left: 24px;
}

/* A large, readable product tour with original screenshots. */

.tour-section {
  overflow: hidden;
}

.tour-head {
  width: min(1240px,calc(100% - 96px));
  margin: 0 auto 56px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.tour-head>.section-kicker {
  width: 100%;
  margin-bottom: -14px;
}

.tour-head h2 {
  margin: 0;
}

.tour-head>p:last-child {
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 5px;
  line-height: 1.9;
}

.tour {
  width: min(1336px,calc(100% - 96px));
  margin-inline: auto;
  display: grid;
  grid-template-columns: 290px minmax(0,1fr);
  gap: 66px;
  align-items: center;
}

.tour-text {
  display: grid;
  min-width: 0;
}

.tour-count {
  grid-area: 1/1;
  font-size: 10px;
  letter-spacing: .13em;
  color: #83837d;
  margin-bottom: 24px;
}

.tour-sep {
  padding: 0 8px;
  opacity: .5;
}

.tour-panel {
  grid-area: 2/1;
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity .4s,transform .6s var(--ease),visibility .4s;
}

.tour-panel.is-active {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.tour-panel h3 {
  font-size: 28px;
  line-height: 1.5;
  letter-spacing: -.03em;
  font-weight: 550;
  margin: 0 0 18px;
}

.tour-panel>p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.9;
  margin-bottom: 23px;
}

.ticks {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 12px;
  color: var(--muted);
}

.ticks li {
  padding-left: 17px;
  margin-top: 8px;
  position: relative;
}

.ticks li:before {
  content: '';
  position: absolute;
  left: 1px;
  top: .7em;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--muted);
}

.tour-stage {
  position: relative;
  padding: 28px 16px 36px;
  min-width: 0;
  touch-action: pan-y;
}

.stack {
  position: relative;
  aspect-ratio: 2940 / 1666;
}

.stack-card {
  position: absolute;
  inset: 0;
  margin: 0;
  border: 1px solid #ffffff24;
  border-radius: 9px;
  overflow: hidden;
  background: white;
  box-shadow: 0 22px 55px -28px #20352070;
  transition: transform .8s var(--ease),opacity .65s var(--ease);
  pointer-events: none;
}

.stack-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #f4f4f2;
  user-select: none;
  -webkit-user-drag: none;
}

.stack-card[data-pos='0'] {
  transform: rotate(-1.5deg);
  opacity: 1;
  z-index: 4;
}

.stack-card[data-pos='1'] {
  transform: translate(2.5%,2.3%) rotate(2deg) scale(.97);
  opacity: .6;
  z-index: 3;
}

.stack-card[data-pos='2'] {
  transform: translate(4%,4%) rotate(4deg) scale(.94);
  opacity: .25;
  z-index: 2;
}

.stack-card[data-pos='-1'] {
  transform: translate(-7%,3%) rotate(-6deg) scale(.96);
  opacity: 0;
  z-index: 5;
}

.stack-card[data-pos='x'] {
  transform: translateY(6%) scale(.9);
  opacity: 0;
  z-index: 1;
}

.zoom-image {
  position: absolute;
  inset: 18px 0;
  z-index: 10;
  background: transparent;
  border: 0;
  border-radius: 12px;
}

.tour-controls {
  width: min(1240px,calc(100% - 96px));
  margin: 36px auto 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--line);
  padding-top: 20px;
  gap: 12px;
}

.tour-navigation,.tour-dots {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tour-dots {
  gap: 2px;
}

.arrow {
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  line-height: 1;
}

.arrow:hover {
  background: var(--soft);
}

.tour-dots .dot {
  width: 23px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 0;
  background: none;
  padding: 0;
}

.tour-dots .dot span {
  position: relative;
  display: block;
  width: 5px;
  height: 5px;
  background: #485952;
  overflow: hidden;
  border-radius: 999px;
  transition: width .35s,height .35s;
}

.tour-dots .dot.is-active {
  width: 36px;
}

.tour-dots .dot.is-active span {
  width: 28px;
  height: 5px;
}

.tour-dots i {
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
}

.tour-dots .is-active i {
  animation: dotFill var(--auto-ms,4200ms) linear forwards;
}

.tour-dots.is-paused i {
  animation-play-state: paused;
}

@keyframes dotFill {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

.freedom-section {
  background: #1d1d1c;
  border-block: 1px solid var(--line);
}

.freedom-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 100px;
}

.freedom-intro>p:not(.section-kicker) {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
  margin: 24px 0;
}

.freedom-intro .text-link {
  font-size: 12px;
}

.freedom-items {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 42px 36px;
}

.freedom-items article {
  border-top: 1px solid #ffffff1c;
  padding-top: 17px;
}

.item-number {
  font-size: 9px;
  letter-spacing: .08em;
  color: #83837d;
}

.freedom-items h3 {
  font-weight: 550;
  font-size: 18px;
  margin: 13px 0 12px;
}

.freedom-items p {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.95;
  margin: 0;
}

.install-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 100px;
}

.install-intro>p:not(.section-kicker) {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.9;
  margin: 22px 0;
}

.install-intro p.install-cost {
  font-size: 11px;
  margin-top: 14px;
}

.version-label {
  font-family: ui-monospace,monospace;
  font-size: 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 3px 7px;
  color: var(--muted);
}

.download-list {
  border-top: 1px solid var(--line);
}

.download-list>a {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 22px 12px;
  border-bottom: 1px solid var(--line);
  transition: background .2s;
}

.download-list>a:hover {
  background: var(--soft);
}

.os-symbol {
  width: 28px;
  font-size: 28px;
  line-height: 1;
  text-align: center;
  font-weight: 400;
}

.linux-symbol {
  font: 16px ui-monospace,monospace;
}

.download-list strong {
  font-size: 17px;
  font-weight: 550;
  display: block;
}

.download-list small {
  display: block;
  font-size: 11px;
  color: var(--muted);
  margin-top: 2px;
}

.download-fallback {
  font-size: 10px;
  color: var(--muted);
  margin: 12px 0 24px;
}

.download-fallback a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.install-help {
  background: #222222;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 18px;
  font-size: 12px;
}

.install-help summary {
  padding: 14px 0;
  cursor: pointer;
}

.install-help p {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.9;
}

.cmd {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #172322;
  border-radius: 5px;
  color: #d9eee6;
  padding: 12px;
  margin-bottom: 12px;
}

.cmd code {
  font: 10px/1.7 ui-monospace,monospace;
  overflow-x: auto;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}

.copy {
  flex-shrink: 0;
  border: 0;
  background: #ffffff20;
  border-radius: 4px;
  color: white;
  font-size: 10px;
  padding: 6px 9px;
}

.setup-note {
  font-size: 11px;
  line-height: 1.9;
  color: var(--muted);
  margin: 20px 0 0;
}

.setup-note strong {
  color: var(--text);
  font-weight: 500;
}

.setup-note code {
  font: 11px ui-monospace,monospace;
}

.faq-section {
  border-top: 1px solid var(--line);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 40px;
}

.section-head h2 {
  margin: 0;
}

.section-head>p {
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 5px;
}

.faq {
  max-width: 880px;
  margin-left: auto;
}

.faq details {
  border-bottom: 1px solid var(--line);
}

.faq details:first-child {
  border-top: 1px solid var(--line);
}

.faq summary {
  padding: 22px 38px 22px 0;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  position: relative;
}

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

.faq summary:after {
  content: '+';
  position: absolute;
  right: 4px;
  top: 20px;
  font-size: 18px;
  font-weight: 300;
  color: var(--muted);
}

.faq details[open] summary:after {
  content: '−';
}

.faq p {
  max-width: 730px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.9;
  margin: 0 30px 24px 0;
}

.faq p a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.closing {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 46px 42px;
  background: #1d1d1c;
  border: 1px solid var(--line);
  border-radius: 10px;
  margin-bottom: 80px;
}

.closing>img {
  border-radius: 12px;
}

.closing p {
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 5px;
}

.closing h2 {
  font-size: 26px;
  margin: 0;
  font-weight: 550;
}

.closing .btn {
  margin-left: auto;
}

.foot {
  border-top: 1px solid var(--line);
}

.foot-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 30px;
}

.footer-license {
  font-size: 10px;
  font-weight: 400;
  color: var(--muted);
  letter-spacing: 0;
}

.foot-links {
  display: flex;
  gap: 24px;
  font-size: 11px;
  color: var(--muted);
}

.foot-links a:hover {
  color: var(--accent);
}

.image-dialog {
  width: min(1540px,96vw);
  max-width: 96vw;
  max-height: 96dvh;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 48px 12px 12px;
  color: var(--text);
}

.image-dialog::backdrop {
  background: #12201be8;
  backdrop-filter: blur(6px);
}

.image-dialog img {
  max-height: calc(96dvh - 105px);
  width: 100%;
  object-fit: contain;
}

.image-dialog p {
  font-size: 12px;
  margin: 14px 10px 0;
  color: var(--muted);
}

.dialog-close {
  position: absolute;
  right: 14px;
  top: 10px;
  border: 1px solid var(--line);
  background: none;
  border-radius: 4px;
  padding: 4px 10px;
  font-size: 12px;
  color: var(--text);
}

@media (min-width:1600px) {
  .tour {
    grid-template-columns: 320px minmax(0,1fr);
    gap: 90px;
  }
}

@media (max-width:1100px) {
  .wrap,.tour-head,.tour-controls {
    width: calc(100% - 64px);
  }
  .promise-strip {
    grid-template-columns: repeat(3,1fr);
  }
  .promise-strip>a {
    display: none;
  }
  .tour {
    width: calc(100% - 64px);
    grid-template-columns: 250px minmax(0,1fr);
    gap: 32px;
  }
  .tour-panel h3 {
    font-size: 25px;
  }
  .freedom-grid,.install-layout {
    gap: 60px;
  }
  .closing {
    padding: 34px 28px;
  }
}

@media (max-width:760px) {
  .promise-strip p {
    font-size: 11px;
  }
  .promise-strip p>span {
    margin-right: 6px;
  }
  .section {
    padding-block: 76px;
  }
  .tour-head {
    margin-bottom: 28px;
    display: block;
  }
  .tour-head>.section-kicker {
    margin-bottom: 17px;
  }
  .tour-head>p:last-child {
    margin-top: 22px;
  }
  .tour {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .tour-text {
    max-width: 550px;
  }
  .tour-count {
    margin-bottom: 16px;
  }
  .tour-panel h3 br {
    display: none;
  }
  .tour-panel h3 {
    font-size: 26px;
    margin-bottom: 12px;
  }
  .tour-panel>p {
    margin-bottom: 12px;
  }
  .ticks {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 18px;
  }
  .tour-stage {
    padding: 25px 10px 30px;
  }
  .tour-controls {
    margin-top: 8px;
  }
  .freedom-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .freedom-intro>p br {
    display: none;
  }
  .install-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .install-intro>p br {
    display: none;
  }
  .install-intro p.install-cost {
    display: inline;
    margin-left: 12px;
  }
  .closing {
    gap: 16px;
    flex-wrap: wrap;
  }
  .closing h2 {
    font-size: 23px;
  }
  .closing .btn {
    margin: 8px 0 0 72px;
  }
  .foot-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }
  .foot-links {
    flex-wrap: wrap;
    gap: 13px 22px;
  }
}

@media (max-width:520px) {
  .wrap,.tour,.tour-head,.tour-controls {
    width: calc(100% - 40px);
  }
  .btn-sm {
    font-size: 11px;
    padding: 9px 13px;
    gap: 12px;
  }
  .actions {
    gap: 22px;
  }
  .btn-lg {
    padding: 13px 18px;
    font-size: 12px;
    gap: 20px;
  }
  .text-link {
    font-size: 12px;
  }
  .promise-strip {
    gap: 10px;
    padding-block: 16px;
    grid-template-columns: 1fr;
  }
  .promise-strip p {
    font-size: 11px;
  }
  .promise-strip p>span {
    margin-right: 14px;
  }
  .section {
    padding-block: 58px;
  }
  .section-kicker {
    font-size: 10px;
    margin-bottom: 15px;
  }
  h2 {
    font-size: 32px;
  }
  .tour-head {
    margin-bottom: 24px;
  }
  .tour-head>p:last-child {
    font-size: 12px;
    margin-top: 17px;
  }
  .desktop-break {
    display: none;
  }
  .tour-panel h3 {
    font-size: 22px;
  }
  .tour-panel>p {
    font-size: 12px;
  }
  .tour-count {
    font-size: 9px;
    margin-bottom: 13px;
  }
  .ticks {
    font-size: 10px;
    gap: 0 14px;
  }
  .tour-stage {
    padding: 20px 4px 26px;
  }
  .stack-card {
    border-radius: 5px;
  }
  .tour-controls {
    flex-direction: column;
    gap: 10px;
    padding-top: 14px;
  }
  .tour-navigation {
    gap: 7px;
  }
  .tour-dots .dot {
    width: 21px;
  }
  .tour-dots .dot.is-active {
    width: 30px;
  }
  .arrow {
    width: 29px;
    height: 29px;
  }
  .freedom-intro>p:not(.section-kicker) {
    font-size: 12px;
    margin-top: 20px;
  }
  .freedom-grid {
    gap: 32px;
  }
  .freedom-items {
    gap: 28px 22px;
  }
  .freedom-items h3 {
    font-size: 15px;
    line-height: 1.5;
    margin: 9px 0;
  }
  .freedom-items p {
    font-size: 11px;
  }
  .item-number {
    font-size: 8px;
  }
  .install-intro>p:not(.section-kicker) {
    font-size: 12px;
  }
  .install-intro p.install-cost {
    font-size: 10px;
  }
  .download-list>a {
    gap: 16px;
    padding: 18px 8px;
  }
  .download-list strong {
    font-size: 16px;
  }
  .download-list small {
    font-size: 10px;
  }
  .download-fallback {
    font-size: 9px;
  }
  .setup-note {
    font-size: 10px;
  }
  .section-head {
    display: block;
    margin-bottom: 26px;
  }
  .section-head>p {
    margin-top: 17px;
    font-size: 12px;
  }
  .section-head>p br {
    display: none;
  }
  .faq summary {
    font-size: 13px;
    padding-block: 19px;
  }
  .faq summary:after {
    top: 16px;
  }
  .faq p {
    font-size: 12px;
  }
  .closing {
    padding: 28px 22px;
    margin-bottom: 48px;
    gap: 15px;
  }
  .closing>img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
  }
  .closing p {
    font-size: 10px;
  }
  .closing h2 {
    font-size: 18px;
  }
  .closing .btn {
    margin-left: 51px;
  }
  .foot-links {
    font-size: 10px;
  }
  .image-dialog {
    padding: 46px 6px 10px;
  }
  .image-dialog p {
    font-size: 10px;
  }
  .image-dialog img {
    max-height: calc(96dvh - 120px);
  }
}

@media (prefers-reduced-motion:reduce) {
  html {
    scroll-behavior: auto;
  }
  *,*:before,*:after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .tour-dots .is-active i {
    animation: none;
    transform: scaleX(1);
  }
}

/* Focus coordinates use the original 2940 × 1666 screenshots. The overlay
   belongs to the image's own aspect ratio, so zooming and resizing stay aligned. */
.focus-shot {
  --callout-gap: 24px;
  position: absolute;
  width: 100%;
  aspect-ratio: 2940 / 1666;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  overflow: hidden;
}
.focus-shot > img {
  display: block;
  width: 100%;
  height: auto;
}
.focus-region {
  position: absolute;
  left: var(--focus-x);
  top: var(--focus-y);
  width: var(--focus-w);
  height: var(--focus-h);
  border: 1px solid #7b9a6c;
  border-radius: 4px;
  box-shadow: 0 0 0 200vmax rgba(27, 43, 31, .28);
  pointer-events: none;
}
.focus-label {
  position: absolute;
  left: calc(var(--focus-x) + var(--focus-w) + var(--callout-gap));
  top: calc(var(--focus-y) + 3%);
  border: 1px solid #d6e0ca;
  border-radius: 4px;
  padding: .35em .8em;
  background: #f5f8ed;
  color: #385a34;
  font-size: clamp(8px, 1vw, 12px);
  line-height: 1.4;
  letter-spacing: .03em;
  pointer-events: none;
}
.focus-label::before {
  content: '';
  position: absolute;
  right: 100%;
  top: 50%;
  width: var(--callout-gap);
  border-top: 1px solid #6f8e61;
}
.focus-shot[data-focus='history'] .focus-region {
  border-radius: 5px 0 0 0;
}
.focus-shot[data-focus='notes'] .focus-region {
  border-radius: 6px;
}
.focus-shot[data-focus='notes'] .focus-label {
  left: auto;
  right: calc(100% - var(--focus-x) + var(--callout-gap));
  top: 10%;
}
.focus-shot[data-focus='notes'] .focus-label::before {
  left: 100%;
  right: auto;
}
.focus-shot[data-focus='history'] .focus-label {
  left: auto;
  right: calc(100% - var(--focus-x) + var(--callout-gap));
  top: 7%;
}
.focus-shot[data-focus='history'] .focus-label::before {
  left: 100%;
  right: auto;
}
.dialog-stage > .focus-shot {
  position: relative;
  top: auto;
  transform: none;
  width: min(100%, calc((96dvh - 120px) * 1.764706));
  margin-inline: auto;
}
.dialog-stage > .focus-shot > img {
  max-height: none;
  height: 100%;
}
@media (max-width: 520px) {
  .focus-shot {
    --callout-gap: 12px;
  }
}
.video-link {
  display: inline-flex;
  gap: 12px;
  margin-top: 24px;
  padding: 6px 0;
  border: 0;
  border-bottom: 1px solid #a2b392;
  background: none;
  color: var(--accent);
  font-size: 12px;
}
.video-dialog {
  width: min(1400px, 96vw);
  max-width: 96vw;
  max-height: 96dvh;
  padding: 48px 12px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
}
.video-dialog::backdrop {
  background: #12201be8;
  backdrop-filter: blur(6px);
}
.video-dialog video {
  display: block;
  width: 100%;
  max-height: calc(96dvh - 115px);
  object-fit: contain;
  background: #1b2820;
}
.video-dialog p {
  font-size: 11px;
  color: var(--muted);
  margin: 12px 8px 0;
}
@media (max-width: 520px) {
  .video-link {
    margin-top: 15px;
    font-size: 11px;
  }
}

/* Dark product showcase with the original neutral palette and full-width glass navigation. */
body {
  background: var(--bg);
}
main {
  padding-top: 64px;
}
::selection {
  background: #365b50;
  color: #f5fff9;
}
.nav {
  position: fixed;
  top: 0;
  left: 0;
  transform: none;
  width: 100%;
  z-index: 30;
  border: 0;
  border-radius: 0;
  background: rgba(24, 24, 24, .76);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: none;
}
.nav-inner.wrap {
  width: min(1240px, calc(100% - 64px));
  height: 64px;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 30px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -.035em;
}
.brand img {
  width: 30px;
  height: 30px;
  border-radius: 8px;
}
.brand-note {
  display: none;
}
.nav-links {
  display: flex;
  gap: 28px;
  margin-left: auto;
  font-size: 12px;
  color: var(--muted);
}
.nav-links a {
  transition: color .2s;
}
.nav-links a:hover {
  color: var(--text);
}
.nav .btn {
  border-radius: 10px;
}
.btn-primary {
  color: #fff;
  box-shadow: none;
}
.btn-dark,.btn-glass {
  color: #e7f1ec;
  border-color: #ffffff21;
  background: linear-gradient(130deg, #ffffff0c, #ffffff03);
  box-shadow: inset 0 1px 0 #ffffff0c;
}
.btn-dark:hover,.btn-glass:hover {
  background: #ffffff12;
  border-color: #ffffff3b;
}
.hero.wrap {
  width: min(1280px, calc(100% - 80px));
  display: block;
  padding: 36px 0 58px;
  text-align: center;
}
.hero-copy {
  max-width: 960px;
  margin: 0 auto;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 450;
  letter-spacing: .06em;
  margin: 0 0 18px;
}
.seed {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px #a6e9cf44;
}
.hero h1 {
  font-size: clamp(36px, 4.65vw, 66px);
  line-height: 1.24;
  font-weight: 600;
  letter-spacing: -.055em;
  /* 紧字距会连带压窄空格，中英混排时把空格宽度补回来 */
  word-spacing: .055em;
  margin: 0 0 18px;
  text-wrap: balance;
}
.ink-accent {
  display: inline-block;
  color: var(--text);
}
.hero-description {
  max-width: 640px;
  margin: 0 auto 22px;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.9;
}
.hero .actions {
  justify-content: center;
  gap: 12px;
}
.hero .btn {
  border-radius: 10px;
  gap: 22px;
  padding: 14px 23px;
}
.fineprint {
  font-size: 10px;
  color: #7c948a;
  margin: 17px 0 0;
}
.fineprint>span {
  padding-inline: 7px;
}
.hero-visual {
  position: relative;
  margin: 38px auto 0;
  max-width: 1200px;
  isolation: isolate;
}
.hero-result {
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 19px;
  background: transparent;
  box-shadow: none;
  overflow: hidden;
}
.hero-zoom {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  border-radius: 11px;
  cursor: zoom-in;
}
.hero-zoom img {
  width: 100%;
  height: auto;
  border-radius: 11px;
}
.hero-zoom:focus-visible {
  outline-offset: -4px;
}
.hero-result figcaption {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 13px 13px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.5;
  text-align: left;
}
.hero-result figcaption>span:first-child {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.hero-result figcaption>span:last-child {
  font-size: 10px;
  color: #83837d;
}
.result-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #91c9ae;
}
.promise-strip {
  color: var(--muted);
}
.promise-strip>a {
  color: #83837d;
}
.freedom-section {
  background: #1d1d1c;
}
.freedom-items article {
  border-top-color: #c1f2d923;
}
.closing {
  background: #1d1d1c;
  box-shadow: inset 0 1px 0 #ffffff0a;
  border-radius: 16px;
}
.stack-card {
  box-shadow: 0 26px 65px -24px #0009;
}
.video-link {
  border-bottom-color: var(--text)47;
}
@media (min-width: 1600px) {
  .hero.wrap {
    padding-top: 54px;
  }
}
@media (max-width: 900px) {
  .nav-links {
    gap: 18px;
  }
  .nav-inner.wrap {
    gap: 22px;
    width: min(1240px, calc(100% - 64px));
    height: 64px;
    padding: 0;
  }
  .hero.wrap {
    width: calc(100% - 48px);
    padding-top: 44px;
  }
  .hero-visual {
    margin-top: 38px;
  }
}
@media (max-width: 680px) {
  main {
    padding-top: 60px;
  }
  .nav {
    top: 0;
    width: 100%;
    border-radius: 0;
    left: 0;
    transform: none;
    border: 0;
    background: rgba(24, 24, 24, .76);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: none;
  }
  .nav-inner.wrap {
    height: 60px;
    padding: 0;
    gap: 14px;
    width: calc(100% - 32px);
  }
  .nav-links {
    display: none;
  }
  .nav .btn {
    margin-left: auto;
  }
  .brand {
    font-size: 16px;
  }
  .brand img {
    width: 27px;
    height: 27px;
  }
  .hero.wrap {
    width: calc(100% - 32px);
    padding: 52px 0 34px;
  }
  .eyebrow {
    font-size: 10px;
    letter-spacing: .02em;
    margin-bottom: 20px;
  }
  .hero h1 {
    font-size: clamp(33px, 7.8vw, 46px);
    line-height: 1.3;
    margin-bottom: 20px;
  }
  .hero-description {
    font-size: 12px;
    max-width: 26em;
    margin-bottom: 24px;
  }
  .hero-description br {
    display: none;
  }
  .hero .btn {
    font-size: 12px;
    gap: 14px;
    padding: 12px 17px;
  }
  .fineprint {
    font-size: 9px;
    margin-top: 16px;
  }
  .hero-visual {
    margin-top: 32px;
  }
  .hero-result {
    padding: 0;
    border-radius: 11px;
    border: 0;
    background: transparent;
    box-shadow: none;
  }
  .hero-zoom,.hero-zoom img {
    border-radius: 6px;
  }
  .hero-result figcaption {
    padding: 9px 6px;
    font-size: 8px;
    gap: 8px;
  }
  .hero-result figcaption>span:last-child {
    font-size: 8px;
  }
  .result-dot {
    width: 4px;
    height: 4px;
  }
}

/* Full-width desktop glass bar, matching the original neutral dark palette. */
.nav .btn-dark {
  background: var(--accent);
  border: 0;
  color: #fff;
  box-shadow: none;
  border-radius: 7px;
}
.nav .btn-dark:hover {
  background: var(--accent-deep);
}
.btn-glass {
  color: var(--text);
  border-color: #3d3d3a;
  background: transparent;
  box-shadow: none;
}
.btn-glass:hover {
  background: #ffffff06;
  border-color: #696963;
}
.seed,.result-dot {
  background: var(--accent);
  box-shadow: none;
}

/* Playback is visible and explicit; hover never silently stops the tour. */
@media (max-width: 520px) {
  .tour-navigation {
    gap: 4px;
  }
  .tour-navigation > .arrow {
    display: none;
  }
  .tour-dots .dot {
    width: 24px;
  }
  .tour-dots .dot.is-active {
    width: 30px;
  }
}
.tour-controls { justify-content: flex-end; }

/* Reserve icons for directional controls and playback, not decoration. */
.arrow svg,.video-link svg {
  display: block;
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.video-link {
  align-items: center;
  gap: 8px;
}
.video-link svg {
  width: 15px;
  height: 15px;
}