:root {
  --paper: #f7f6f2;
  --surface: #fff;
  --ink: #292830;
  --muted: #777481;
  --line: #e6e3de;
  --purple: #7954cd;
  --soft: #eee8f9;
  --body: 14px;
  --action: 13px;
  --small: 12px;
  --heading: 16px;
  --radius: 16px;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 28px;
}
body {
  margin: 0;
  font-size: var(--body);
  line-height: 1.65;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  cursor: pointer;
}
button,
a,
summary {
  touch-action: manipulation;
}
button:focus-visible,
a:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid #9e7edf;
  outline-offset: 4px;
}
.wrap {
  width: min(1160px, calc(100% - 64px));
  margin-inline: auto;
}
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 100px;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: var(--heading);
  font-weight: 750;
  letter-spacing: 0.03em;
}
.brand img {
  border-radius: 9px;
}
.brand small {
  font-size: var(--small);
  letter-spacing: 0.16em;
  color: #80778f;
  margin-left: 5px;
}
.site-header nav {
  display: flex;
  gap: 32px;
  align-items: center;
  font-size: var(--action);
}
.nav-download {
  border-bottom: 1px solid var(--ink);
  padding-bottom: 3px;
}
.nav-download span {
  padding-left: 12px;
}
.hero {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 72px;
  align-items: center;
  padding-top: 82px;
  padding-bottom: 90px;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: var(--small);
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--purple);
  margin: 0 0 25px;
}
.eyebrow > span {
  height: 7px;
  width: 7px;
  background: var(--purple);
  border-radius: 50%;
}
h1,
h2,
h3 {
  font-size: var(--heading);
  line-height: 1.65;
  letter-spacing: 0.015em;
  margin: 0;
  font-weight: 700;
}
h1 {
  color: var(--purple);
  margin-bottom: 15px;
}
.hero-lead {
  font-size: var(--heading);
  font-weight: 650;
  line-height: 1.9;
  margin: 0 0 22px;
}
.muted {
  color: var(--muted);
  margin: 0;
}
.hero-copy > .muted {
  max-width: 410px;
  line-height: 1.9;
}
.hero-actions {
  display: flex;
  gap: 25px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 32px;
}
.button {
  display: inline-flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  padding: 14px 21px;
  border-radius: 8px;
  font-size: var(--action);
  font-weight: 600;
  border: 1px solid transparent;
  transition:
    background 0.2s,
    transform 0.2s;
}
.primary {
  background: var(--ink);
  color: white;
}
.primary:hover:not([aria-disabled="true"]) {
  background: #4a3768;
  transform: translateY(-1px);
}
.text-link {
  font-size: var(--action);
}
.text-link span {
  margin-left: 12px;
}
.micro {
  font-size: var(--small);
  color: var(--muted);
  margin-top: 16px;
}
.idea-board {
  position: relative;
  aspect-ratio: 1.08;
  min-width: 0;
  background: #eeece4;
  border: 1px solid #e1ded2;
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 12px 30px #30241d08;
}
.board-grid {
  position: absolute;
  inset: 0;
  opacity: 0.45;
  background-image:
    linear-gradient(#d9d4c770 1px, transparent 1px),
    linear-gradient(90deg, #d9d4c770 1px, transparent 1px);
  background-size: 30px 30px;
}
.board-top,
.board-bottom {
  position: absolute;
  left: 26px;
  right: 26px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.board-top {
  top: 24px;
}
.tiny-label {
  font-size: var(--small);
  letter-spacing: 0.06em;
  color: #8a8378;
}
.board-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #d49650;
}
.board-bottom {
  bottom: 22px;
  gap: 15px;
  font-size: var(--small);
  color: #877e73;
}
.note {
  position: absolute;
  padding: 21px 24px;
  box-shadow: 0 12px 30px #31281312;
  border: 1px solid #e2dfd6;
  border-radius: 11px;
}
.note-one {
  left: 7%;
  top: 17%;
  width: 64%;
  background: #fffdf5;
  transform: rotate(-5deg);
}
.note-number {
  font-size: var(--small);
  letter-spacing: 0.08em;
  color: #97907d;
}
.note-one > p {
  font-size: var(--heading);
  font-weight: 650;
  line-height: 1.9;
  margin: 15px 0 18px;
}
.note-footer {
  display: flex;
  justify-content: space-between;
  font-size: var(--small);
  color: #9a9180;
}
.note-two {
  right: 6%;
  bottom: 15%;
  width: 67%;
  background: #f6f1ff;
  transform: rotate(4deg);
  z-index: 2;
  border-color: #e0d6ef;
}
.note-two .note-number {
  color: #9480b7;
}
.note-two p {
  font-weight: 600;
  margin: 12px 0;
}
.note-two .note-footer {
  color: #9c8aaf;
  white-space: normal;
}
.timeline {
  display: flex;
  gap: 3px;
  align-items: center;
  height: 30px;
  margin-top: 10px;
}
.timeline b {
  height: 12px;
  background: #c4a6e2;
  flex: 1;
  border-radius: 2px;
}
.timeline b:nth-child(2n) {
  background: #e1c7e2;
}
.timeline b:nth-child(3n) {
  height: 24px;
  background: #a8bfc3;
}
.fold-art {
  position: absolute;
  width: 140px;
  height: 140px;
  right: 3%;
  top: 12%;
  z-index: 3;
  transform: rotate(12deg);
}
.fold-art i {
  position: absolute;
  inset: 0;
  filter: drop-shadow(1px 3px 2px #71585d12);
}
.fold-art i:nth-child(1) {
  background: #ff913b;
  clip-path: polygon(5% 10%, 72% 28%, 48% 66%);
}
.fold-art i:nth-child(2) {
  background: #8851d1;
  clip-path: polygon(72% 28%, 48% 66%, 94% 84%);
}
.fold-art i:nth-child(3) {
  background: #d546a0;
  clip-path: polygon(48% 66%, 20% 96%, 53% 84%);
}
.fold-art i:nth-child(4) {
  background: #1796be;
  clip-path: polygon(65% 72%, 94% 84%, 98% 57%);
}
.fold-art i:nth-child(5) {
  background: #f15c5d;
  clip-path: polygon(0 29%, 48% 66%, 39% 77%);
}
.workspace-section {
  background: #fff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 66px 0;
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  margin-bottom: 30px;
}
.section-heading .eyebrow {
  margin-bottom: 12px;
}
.section-heading > .muted {
  font-size: var(--action);
}
.workspace-preview {
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--paper);
  box-shadow: 0 14px 44px #1c163c08;
}
.preview-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 17px;
  background: #f4f2ee;
  border-bottom: 1px solid var(--line);
  font-size: var(--small);
  color: #96909c;
}
.preview-toolbar > span:first-child {
  display: flex;
  align-items: center;
  gap: 5px;
}
.preview-toolbar i {
  height: 6px;
  width: 6px;
  border: 1px solid #bfb9c2;
  border-radius: 50%;
}
.workspace-preview > img {
  display: block;
  width: 100%;
  height: auto;
}
.feature-lines {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 34px;
}
.feature-lines article {
  display: flex;
  gap: 15px;
}
.feature-lines article > span {
  font-size: var(--small);
  color: #a490c2;
  padding-top: 4px;
}
.feature-lines h3 {
  font-size: var(--body);
}
.feature-lines p {
  font-size: var(--action);
  color: var(--muted);
  margin: 8px 0 0;
}
.how-section {
  padding-block: 76px;
}
.how-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 70px;
}
.how-layout h2 {
  line-height: 1.9;
}
.how-layout ol {
  list-style: none;
  padding: 0;
  margin: 0;
}
.how-layout li {
  display: flex;
  gap: 25px;
  padding: 0 0 23px;
  margin-bottom: 23px;
  border-bottom: 1px solid var(--line);
}
.how-layout li:last-child {
  margin: 0;
  padding: 0;
  border: none;
}
.how-layout li > span {
  font-size: var(--small);
  color: var(--purple);
  padding-top: 5px;
}
.how-layout h3 {
  font-size: var(--body);
}
.how-layout p {
  font-size: var(--action);
  color: var(--muted);
  margin: 8px 0 0;
}
.download-section {
  background: #eee9f5;
  border-block: 1px solid #e0d9e9;
  padding: 68px 0;
}
.download-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
  align-items: center;
}
.download-intro > .eyebrow {
  margin-bottom: 23px;
}
.download-intro > img {
  border-radius: 16px;
  margin-bottom: 12px;
}
.download-intro h2 {
  line-height: 1.9;
  margin: 0 0 15px;
}
.download-intro .muted {
  line-height: 1.9;
}
.release-status {
  font-size: var(--small);
  color: #998cab;
  margin-top: 24px;
}
.download-panel {
  min-width: 0;
  background: white;
  border: 1px solid #e1d9eb;
  border-radius: 16px;
  box-shadow: 0 13px 35px #4d2c7010;
  padding: 25px;
}
.platform-tabs {
  display: flex;
  gap: 5px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  font-size: var(--action);
}
.platform-tabs button {
  flex: 1;
  white-space: nowrap;
  border: 0;
  padding: 9px 7px;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-size: var(--action);
}
.platform-tabs [aria-selected="true"] {
  background: var(--soft);
  color: #6848a0;
}
.release-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin: 24px 0 13px;
}
.release-tag {
  font-size: var(--small);
  color: #867590;
  background: #f4f0f7;
  padding: 3px 8px;
  border-radius: 5px;
}
.download-panel .muted {
  font-size: var(--action);
  line-height: 1.9;
  min-height: 50px;
}
.download-main {
  display: flex;
  width: 100%;
  margin-top: 22px;
}
.download-main[aria-disabled="true"] {
  background: #e9e5ec;
  color: #97909c;
  cursor: default;
}
.offline-link {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: var(--action);
  color: #7a5b9a;
  padding: 15px 0 0;
}
.download-panel details {
  font-size: var(--small);
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 14px;
  margin-top: 18px;
}
.download-panel summary {
  cursor: pointer;
}
.download-panel dl {
  margin-bottom: 0;
}
.download-panel dt {
  font-weight: 600;
  margin: 12px 0 3px;
}
.download-panel dd {
  margin: 0;
  overflow-wrap: anywhere;
  font-family: ui-monospace, monospace;
}
.download-footnote {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: var(--small);
  color: #94869c;
  border-top: 1px solid var(--line);
  margin-top: 20px;
  padding-top: 16px;
}
.download-footnote p {
  margin: 0;
}
.download-footnote > span {
  color: #a991bb;
}
.error {
  font-size: var(--small);
  color: #9a4d43;
}
.error button {
  padding: 6px 10px;
  background: #fff;
  border: 1px solid #d6c6c4;
  border-radius: 5px;
  font-size: var(--small);
}
.faq-section {
  padding-block: 76px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
}
.faq-section .eyebrow {
  margin-bottom: 14px;
}
.faq-list details {
  padding: 19px 0;
  border-bottom: 1px solid var(--line);
}
.faq-list details:first-child {
  padding-top: 0;
}
.faq-list summary {
  cursor: pointer;
  font-weight: 600;
  font-size: var(--body);
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 20px;
}
.faq-list summary::after {
  content: "+";
  color: #a594b4;
  font-weight: 400;
}
.faq-list [open] summary::after {
  content: "−";
}
.faq-list p {
  font-size: var(--action);
  color: var(--muted);
  margin: 12px 0 0;
  line-height: 1.9;
}
.site-footer {
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-block: 28px;
  font-size: var(--small);
  color: #9b969d;
}
.site-footer p {
  margin: 0;
}
.site-footer .brand {
  color: var(--ink);
  font-size: var(--body);
}
[hidden] {
  display: none !important;
}
@media (max-width: 900px) {
  .hero {
    gap: 36px;
    padding-block: 55px;
  }
  .download-layout,
  .faq-section {
    gap: 40px;
  }
  .board-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
  }
  .note {
    padding: 15px;
  }
  .fold-art {
    width: 100px;
    height: 100px;
  }
  .note-one {
    top: 18%;
  }
  .note-two {
    bottom: 17%;
  }
  .note-one > p {
    margin: 9px 0;
  }
  .feature-lines {
    gap: 15px;
  }
  .how-layout {
    gap: 35px;
  }
}
@media (max-width: 650px) {
  .wrap {
    width: calc(100% - 40px);
  }
  .site-header {
    min-height: 82px;
  }
  .site-header nav {
    gap: 15px;
  }
  .site-header nav > a:first-child {
    display: none;
  }
  .brand {
    gap: 6px;
  }
  .brand small {
    font-size: 10px;
    margin-left: 1px;
  }
  .hero {
    grid-template-columns: 1fr;
    gap: 38px;
    padding-block: 40px;
  }
  .hero-copy > .muted {
    max-width: none;
  }
  .hero-actions {
    margin-top: 25px;
  }
  .idea-board {
    max-width: 480px;
    width: 100%;
    justify-self: center;
    aspect-ratio: 1.08;
  }
  .fold-art {
    width: 120px;
    height: 120px;
  }
  .note-one {
    width: 64%;
    padding: 20px;
  }
  .note-one > p {
    margin: 12px 0;
  }
  .note-two {
    padding: 17px;
    width: 67%;
  }
  .board-bottom {
    font-size: 11px;
    flex-direction: row;
    gap: 15px;
  }
  .workspace-section {
    padding-block: 40px;
  }
  .section-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 15px;
  }
  .preview-toolbar {
    gap: 10px;
    padding: 9px;
    font-size: 10px;
  }
  .preview-toolbar > span:last-child {
    display: none;
  }
  .feature-lines {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .feature-lines article {
    gap: 16px;
  }
  .feature-lines p {
    margin-top: 4px;
  }
  .how-section {
    padding-block: 45px;
  }
  .how-layout {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .how-layout h2 br {
    display: none;
  }
  .download-section {
    padding-block: 42px;
  }
  .download-layout,
  .faq-section {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .download-panel {
    padding: 20px;
  }
  .download-intro .release-status {
    margin-bottom: 0;
  }
  .platform-tabs {
    gap: 2px;
  }
  .faq-section {
    padding-block: 45px;
  }
  .site-footer {
    flex-wrap: wrap;
    padding-block: 24px;
    gap: 15px;
  }
  .site-footer p {
    display: none;
  }
  .site-footer > span {
    margin-left: auto;
  }
  .eyebrow {
    font-size: 11px;
  }
  .note-footer {
    font-size: 11px;
  }
  .release-heading {
    margin-top: 20px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    transition: none !important;
  }
}