:root {
  color-scheme: light;
  --bg: #fcfdff;
  --surface: #fff;
  --soft: #f2f6fa;
  --fg: #17283c;
  --body: #4d6073;
  --muted: #687b8e;
  --line: #dfe7ef;
  --accent: #28739d;
  --green: #087f5b;
  --code: #36516b;
  --header: rgb(250 253 255 / 0.86);
  --shadow: 0 28px 90px -38px #143c6259;
  --hero-bottom: #fcfdff;
  --hero-blue: #3278a7;
  --hero-deep: #273f70;
  --hero-cyan: #4799a9;
  --on-ink: #fff;
  --ink: #19344d;
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    "PingFang SC",
    "Microsoft YaHei",
    sans-serif;
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0d1621;
  --surface: #162331;
  --soft: #111e2b;
  --fg: #edf4fa;
  --body: #b5c5d3;
  --muted: #94a9bb;
  --line: #293c4e;
  --accent: #8bc9e2;
  --green: #72dfb2;
  --code: #c3d8e8;
  --header: rgb(17 30 43 / 0.9);
  --shadow: 0 28px 90px -38px #000c;
  --hero-bottom: #0d1621;
  --hero-blue: #1b4668;
  --hero-deep: #182b4d;
  --hero-cyan: #276477;
  --on-ink: #102437;
  --ink: #edf4fa;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0d1621;
    --surface: #162331;
    --soft: #111e2b;
    --fg: #edf4fa;
    --body: #b5c5d3;
    --muted: #94a9bb;
    --line: #293c4e;
    --accent: #8bc9e2;
    --green: #72dfb2;
    --code: #c3d8e8;
    --header: rgb(17 30 43 / 0.9);
    --shadow: 0 28px 90px -38px #000c;
    --hero-bottom: #0d1621;
    --hero-blue: #1b4668;
    --hero-deep: #182b4d;
    --hero-cyan: #276477;
    --on-ink: #102437;
    --ink: #edf4fa;
  }
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--body);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}
button,
a,
summary {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
button {
  border: 0;
  background: none;
}
button[hidden],
[hidden] {
  display: none !important;
}
button:disabled {
  cursor: wait;
}
svg {
  width: 20px;
  height: 20px;
  display: block;
}
h1,
h2,
h3,
p {
  margin: 0;
}
h1,
h2,
h3 {
  color: var(--fg);
  line-height: 1.23;
}
code,
pre {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}
pre {
  margin: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
::selection {
  background: #b4dce9;
  color: #18344d;
}
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 5px;
}
.wrap {
  max-width: 1120px;
  width: calc(100% - 80px);
  margin-inline: auto;
}
.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 100;
  background: var(--surface);
  padding: 12px 20px;
  border-radius: 12px;
}
.skip-link:focus {
  top: 12px;
}
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  padding: 20px 24px;
  pointer-events: none;
}
.header-inner {
  max-width: 1248px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 56px;
  padding: 0 20px;
  color: #fff;
  border-radius: 50px;
  pointer-events: auto;
  transition:
    max-width 0.35s,
    background 0.35s,
    box-shadow 0.35s,
    color 0.35s;
}
.scrolled .header-inner,
.site-header[data-open] .header-inner {
  max-width: 1060px;
  background: var(--header);
  backdrop-filter: blur(24px) saturate(170%);
  color: var(--fg);
  box-shadow:
    inset 0 0 0 1px #a8b4c332,
    0 6px 24px #1723410d;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 750;
  font-size: 22px;
  letter-spacing: -0.8px;
  white-space: nowrap;
}
.brand img {
  border-radius: 9px;
  width: 32px;
  height: 32px;
}
.site-header nav {
  display: flex;
  gap: 32px;
  font-size: 14px;
}
.site-header nav a:hover {
  opacity: 0.7;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 13px;
  flex-shrink: 0;
}
.languages {
  display: flex;
  border-radius: 24px;
  background: #ffffff18;
  padding: 3px;
}
.languages a {
  padding: 3px 10px;
  font-size: 12px;
  line-height: 24px;
  border-radius: 20px;
  white-space: nowrap;
}
.languages [aria-current] {
  background: #fff;
  color: #19344d;
}
.scrolled .languages,
.site-header[data-open] .languages {
  background: var(--soft);
}
.scrolled .languages [aria-current],
.site-header[data-open] .languages [aria-current] {
  background: var(--fg);
  color: var(--bg);
}
.theme-toggle,
.github-link,
.menu-toggle {
  display: grid;
  place-items: center;
  min-width: 32px;
  height: 36px;
}
.menu-toggle {
  display: none;
}
.hero {
  position: relative;
  padding: 155px 0 0;
  isolation: isolate;
}
.hero-backdrop {
  position: absolute;
  z-index: -1;
  inset: 0 0 110px;
  background:
    radial-gradient(ellipse at 78% 10%, var(--hero-cyan), transparent 50%),
    radial-gradient(ellipse at 12% 35%, var(--hero-deep), transparent 64%),
    linear-gradient(155deg, var(--hero-blue), var(--hero-deep));
  overflow: hidden;
}
.hero-backdrop:after {
  content: "";
  position: absolute;
  inset: 28% 0 0;
  background: linear-gradient(0deg, var(--hero-bottom), transparent);
}
.hero-copy {
  text-align: center;
  position: relative;
  padding: 0 24px;
}
.eyebrow {
  font-size: 11px;
  font-weight: 650;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 22px;
}
.hero-eyebrow {
  color: #fff;
  font-size: 11px;
  letter-spacing: 2.6px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 9px;
}
.hero-eyebrow span {
  width: 6px;
  height: 6px;
  background: #c3f2e4;
  border-radius: 50%;
  box-shadow: 0 0 12px #b7ffdc;
}
.hero h1 {
  font-size: clamp(52px, 6.4vw, 86px);
  letter-spacing: -3.6px;
  font-weight: 650;
  line-height: 1.15;
  color: #fff;
}
.hero h1 span {
  display: block;
}
.hero-lead {
  font-size: 17px;
  line-height: 1.85;
  color: #edf6fb;
  margin-top: 27px;
}
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 27px;
  margin-top: 30px;
}
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  border-radius: 40px;
  padding: 13px 25px;
  background: var(--ink);
  color: var(--on-ink);
  font-size: 14px;
  font-weight: 600;
  transition:
    transform 0.2s,
    opacity 0.2s;
}
.button:hover {
  transform: translateY(-2px);
  opacity: 0.88;
}
.hero-button {
  background: #16364e;
  color: #fff;
  box-shadow: 0 4px 12px #253c5322;
}
.hero-source {
  font-size: 13px;
  color: #fff;
}
.hero-source span {
  margin-left: 5px;
}
.platform-hint {
  font-size: 11px;
  color: #e1eff7;
  margin-top: 15px;
  letter-spacing: 1px;
}
.preview-wrap {
  margin-bottom: 0;
  width: calc(100% - 120px);
  max-width: 1090px;
  margin: 55px auto 0;
}
.mini-status i {
  width: 6px;
  height: 6px;
  display: inline-block;
  border-radius: 50%;
  background: #2db485;
}
.screenshot-link {
  display: block;
  width: 100%;
  min-width: 0;
  border-radius: 16px;
}
.workbench-screenshot {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 16px;
  box-shadow: var(--shadow);
}
.preview-caption {
  color: var(--muted);
  text-align: center;
  font-size: 10px;
  margin-top: 20px;
  letter-spacing: 0.3px;
}
.trust-strip {
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 35px 0 47px;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
}
.trust-strip span {
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}
.trust-strip i {
  font-size: 21px;
  font-style: normal;
  color: var(--body);
}
.section {
  padding-block: 100px;
}
.section-heading {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 45px;
}
.section-heading h2,
h2 {
  font-size: clamp(32px, 3.4vw, 44px);
  font-weight: 600;
  letter-spacing: -1.5px;
  line-height: 1.25;
}
.section-heading > p:last-child:not(.eyebrow) {
  margin-top: 22px;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.85;
}
.protocol-tabs {
  display: flex;
  gap: 5px;
  padding: 5px;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 40px;
  width: max-content;
  margin: 0 auto 32px;
  max-width: 100%;
}
.protocol-tabs button {
  padding: 10px 25px;
  border-radius: 30px;
  font-size: 12px;
  transition: background 0.2s;
}
.protocol-tabs [aria-selected="true"] {
  background: var(--ink);
  color: var(--on-ink);
}
.protocol-panel {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  border-radius: 24px;
  overflow: hidden;
  background: var(--soft);
  min-height: 350px;
}
.protocol-copy {
  padding: 48px;
}
.protocol-index {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 2px;
}
.protocol-copy h3 {
  font-size: 26px;
  letter-spacing: -0.8px;
  margin: 28px 0 16px;
}
.protocol-copy p {
  font-size: 14px;
  line-height: 1.9;
}
.text-link {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  color: var(--fg);
  font-size: 12px;
  margin-top: 24px;
}
.protocol-media {
  padding: 42px 40px;
  display: flex;
  align-items: center;
  background: radial-gradient(ellipse at 90% 0%, #acd6e23d, transparent 80%);
}
.mini-window {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 15px 35px #29365d0d;
  overflow: hidden;
}
.mini-url {
  padding: 13px 16px;
  display: flex;
  gap: 10px;
  font-size: 10px;
  border-bottom: 1px solid var(--line);
}
.mini-url b {
  color: var(--green);
}
.mini-url code {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.mini-url > span {
  margin-left: auto;
}
.mini-window pre {
  padding: 24px;
  color: var(--code);
  font-size: 12px;
  line-height: 1.85;
  min-height: 215px;
}
.mini-status {
  font-size: 9px;
  padding: 8px 16px;
  border-top: 1px solid var(--line);
  color: var(--green);
}
.mini-status i {
  margin-right: 7px;
}
.mini-status > span {
  float: right;
  color: var(--muted);
}
.local-section {
  padding-block: 95px;
  background: var(--soft);
}
.local-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
  align-items: center;
}
.local-copy h2 {
  font-size: 37px;
  letter-spacing: -1.4px;
}
.section-lead {
  font-size: 14px;
  line-height: 1.9;
  margin-top: 22px;
}
.local-points {
  display: flex;
  flex-direction: column;
  gap: 25px;
  margin-top: 35px;
}
.local-points > div {
  display: flex;
  gap: 15px;
}
.local-points > div > span {
  color: var(--accent);
  font-size: 15px;
}
.local-points h3 {
  font-size: 14px;
  font-weight: 600;
  margin: 2px 0 7px;
}
.local-points p {
  font-size: 12px;
  color: var(--muted);
}
.file-visual {
  position: relative;
  min-width: 0;
  padding-top: 20px;
}
.file-tree {
  font-family: monospace;
  display: flex;
  flex-direction: column;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  width: 82%;
  font-size: 12px;
  padding: 22px 25px 40px;
  color: var(--body);
}
.file-tree > span:first-child {
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--fg);
}
.file-tree .selected {
  color: var(--accent);
}
.muted {
  color: var(--muted);
}
.yaml-window {
  position: relative;
  margin: -20px 0 0 40px;
  background: var(--surface);
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  transform: rotate(-2deg);
}
.yaml-heading {
  font-size: 11px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 15px 20px;
  border-bottom: 1px solid var(--line);
}
.yaml-heading > span:last-child {
  margin-left: auto;
  color: var(--muted);
  font-size: 9px;
}
.file-dot {
  height: 7px;
  width: 7px;
  background: #e6b84e;
  border-radius: 2px;
}
.yaml-window pre {
  padding: 20px 25px;
  font-size: 12px;
  color: var(--code);
  line-height: 1.85;
}
.git-status {
  display: flex;
  padding: 9px 20px;
  border-top: 1px solid var(--line);
  font-size: 10px;
  color: var(--green);
}
.git-status > span:last-child {
  margin-left: auto;
  color: var(--muted);
}
.file-visual > p {
  text-align: center;
  font-size: 10px;
  color: var(--muted);
  margin-top: 26px;
}
.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px;
}
.tool-art {
  height: 180px;
  display: flex;
  align-items: center;
  padding: 22px;
  border-radius: 16px;
  background: var(--soft);
  border: 1px solid var(--line);
  margin-bottom: 26px;
  overflow: hidden;
}
.tool-art pre {
  font-size: 11px;
  line-height: 2;
  color: var(--code);
}
.tool:nth-child(2) .tool-art {
  background: linear-gradient(
    135deg,
    var(--soft),
    color-mix(in srgb, var(--accent) 7%, var(--bg))
  );
}
.tool:nth-child(3) .tool-art {
  background: linear-gradient(
    145deg,
    var(--soft),
    color-mix(in srgb, var(--green) 6%, var(--bg))
  );
}
.tool-number {
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 2px;
}
.tool h3 {
  font-size: 20px;
  margin: 10px 0 13px;
  font-weight: 600;
}
.tool > p {
  font-size: 13px;
  line-height: 1.9;
  color: var(--muted);
}
.download-section {
  padding: 90px 0;
  background:
    radial-gradient(ellipse at 0 0, #72b4c718, transparent 60%), var(--soft);
}
.download-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  max-width: 980px;
  margin: auto;
}
.download-card {
  background: var(--surface);
  border: 1px solid var(--line);
  text-align: center;
  padding: 35px 20px 25px;
  border-radius: 20px;
}
.os-icon {
  height: 56px;
  display: grid;
  place-items: center;
  font-size: 36px;
  color: var(--fg);
  font-family: monospace;
}
.download-card h3 {
  font-size: 21px;
  margin-top: 15px;
}
.download-card > p {
  font-size: 12px;
  color: var(--muted);
  margin: 8px 0 23px;
}
.download-button {
  font-size: 12px;
  min-width: 170px;
  gap: 15px;
  padding: 11px 18px;
}
.release-status {
  display: block;
  font-size: 10px;
  color: var(--muted);
  margin-top: 12px;
}
.release-note {
  text-align: center;
  font-size: 11px;
  color: var(--muted);
  max-width: 650px;
  margin: 25px auto 0;
}
.download-links {
  display: flex;
  justify-content: center;
  gap: 25px;
  margin-top: 20px;
  font-size: 12px;
  color: var(--fg);
}
.faq-section {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 75px;
  padding-block: 100px;
}
.faq-section h2 {
  font-size: 31px;
}
.faq-section details {
  border-bottom: 1px solid var(--line);
  padding: 20px 0;
}
.faq-section details:first-child {
  padding-top: 0;
}
.faq-section summary {
  list-style: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 550;
  color: var(--fg);
  display: flex;
  justify-content: space-between;
  gap: 20px;
}
.faq-section summary::-webkit-details-marker {
  display: none;
}
.faq-section summary > span {
  font-size: 18px;
  font-weight: 400;
  color: var(--muted);
}
.faq-section details[open] summary > span {
  transform: rotate(45deg);
}
.faq-section details p {
  font-size: 13px;
  line-height: 1.9;
  padding: 16px 25px 3px 0;
  color: var(--muted);
}
footer {
  border-top: 1px solid var(--line);
  padding-top: 55px;
}
.footer-main {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding-bottom: 50px;
}
.footer-main .brand {
  color: var(--fg);
  font-size: 21px;
}
.footer-main p {
  font-size: 12px;
  color: var(--muted);
  margin-top: 12px;
}
.footer-links {
  display: flex;
  gap: 80px;
}
.footer-links > div {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 12px;
  color: var(--muted);
}
.footer-links h2 {
  font-size: 12px;
  margin-bottom: 8px;
  letter-spacing: 0;
}
.footer-links a:hover {
  color: var(--fg);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 10px;
  color: var(--muted);
  padding: 23px 0;
  border-top: 1px solid var(--line);
}
@media (min-width: 1600px) {
  .hero {
    padding-top: 170px;
  }
  .hero h1 {
    font-size: 92px;
  }
}
@media (max-width: 900px) {
  .site-header nav {
    gap: 20px;
  }
  .header-inner {
    gap: 15px;
  }
  .wrap {
    width: calc(100% - 48px);
  }
  .preview-wrap {
    margin-bottom: 0;
    width: calc(100% - 60px);
  }
  .local-layout {
    gap: 40px;
  }
  .local-copy h2 {
    font-size: 30px;
  }
  .protocol-copy {
    padding: 35px;
  }
  .protocol-media {
    padding: 30px 25px;
  }
  .protocol-copy h3 {
    font-size: 23px;
  }
  .tool-grid {
    gap: 20px;
  }
  .tool-art {
    padding: 15px;
  }
  .tool-art pre {
    font-size: 10px;
  }
  .download-button {
    min-width: 0;
  }
  .footer-links {
    gap: 40px;
  }
  .faq-section {
    gap: 40px;
  }
  .trust-strip {
    gap: 10px;
    font-size: 10px;
  }
  .trust-strip span {
    gap: 6px;
  }
}
@media (max-width: 680px) {
  .site-header {
    padding: 12px;
  }
  .header-inner {
    height: 52px;
    padding: 0 14px;
    gap: 10px;
  }
  .brand {
    font-size: 20px;
  }
  .brand img {
    width: 27px;
    height: 27px;
  }
  .header-actions {
    gap: 6px;
  }
  .github-link {
    display: none;
  }
  .languages a {
    padding-inline: 8px;
  }
  .menu-toggle {
    display: grid;
  }
  .site-header nav {
    position: absolute;
    left: 12px;
    right: 12px;
    top: 76px;
    display: none;
    flex-direction: column;
    padding: 16px 20px;
    background: var(--header);
    backdrop-filter: blur(24px);
    border: 1px solid var(--line);
    border-radius: 20px;
    color: var(--fg);
    box-shadow: var(--shadow);
  }
  .site-header[data-open] nav {
    display: flex;
  }
  .site-header nav a {
    padding: 5px;
  }
  .hero {
    padding-top: 135px;
  }
  .hero h1 {
    font-size: 55px;
    letter-spacing: -2.8px;
  }
  .hero-eyebrow {
    font-size: 9px;
    letter-spacing: 1.3px;
  }
  .hero-lead {
    font-size: 14px;
    margin-top: 24px;
  }
  .hero-actions {
    gap: 18px;
    flex-direction: column;
    margin-top: 25px;
  }
  .hero-source {
    font-size: 12px;
  }
  .platform-hint {
    font-size: 10px;
    margin-top: 15px;
  }
  .preview-wrap {
    margin-bottom: 0;
    width: calc(100% - 30px);
    margin-top: 40px;
  }
  .hero-backdrop {
    bottom: 110px;
  }
  .preview-caption {
    font-size: 9px;
    max-width: 270px;
    margin: 16px auto 0;
  }
  .preview-caption span {
    display: none;
  }
  .wrap {
    width: calc(100% - 40px);
  }
  .trust-strip {
    display: grid;
    grid-template-columns: 1fr 1fr;
    justify-items: center;
    gap: 18px;
    padding-block: 28px;
    font-size: 10px;
  }
  .trust-strip i {
    font-size: 16px;
  }
  .section {
    padding-block: 65px;
  }
  .section-heading {
    margin-bottom: 30px;
  }
  .section-heading h2,
  h2 {
    font-size: 31px;
    letter-spacing: -1px;
  }
  .eyebrow {
    font-size: 9px;
    letter-spacing: 1.3px;
    margin-bottom: 18px;
  }
  .section-heading > p:last-child:not(.eyebrow) {
    font-size: 13px;
    margin-top: 18px;
  }
  .protocol-tabs {
    width: 100%;
    justify-content: space-between;
    gap: 1px;
    padding: 4px;
  }
  .protocol-tabs button {
    padding: 9px 12px;
    font-size: 11px;
  }
  .protocol-panel {
    grid-template-columns: 1fr;
    min-height: 0;
    border-radius: 18px;
  }
  .protocol-copy {
    padding: 28px;
  }
  .protocol-copy h3 {
    font-size: 23px;
    margin-top: 15px;
  }
  .protocol-copy p {
    font-size: 13px;
  }
  .protocol-media {
    padding: 5px 20px 25px;
    background: none;
  }
  .mini-window pre {
    font-size: 11px;
    min-height: 195px;
  }
  .mini-url {
    font-size: 9px;
    padding-inline: 12px;
  }
  .local-section {
    padding-block: 65px;
  }
  .local-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .local-copy h2 {
    font-size: 31px;
  }
  .section-lead {
    font-size: 13px;
  }
  .local-points {
    gap: 20px;
    margin-top: 25px;
  }
  .file-visual {
    max-width: 440px;
    width: 100%;
    margin: auto;
    padding-top: 0;
  }
  .file-tree {
    font-size: 11px;
  }
  .yaml-window {
    margin-left: 25px;
  }
  .yaml-window pre {
    font-size: 11px;
  }
  .tool-grid {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .tool-art {
    height: 165px;
    padding: 25px;
    margin-bottom: 18px;
  }
  .tool-art pre {
    font-size: 12px;
  }
  .tool h3 {
    font-size: 21px;
  }
  .tool > p {
    font-size: 13px;
  }
  .download-section {
    padding-block: 65px;
  }
  .download-grid {
    grid-template-columns: 1fr;
    gap: 15px;
    max-width: 400px;
  }
  .download-card {
    position: relative;
    text-align: left;
    padding: 22px 20px 20px 78px;
    border-radius: 16px;
  }
  .os-icon {
    position: absolute;
    left: 22px;
    top: 23px;
    font-size: 28px;
    height: 36px;
  }
  .download-card h3 {
    font-size: 19px;
    margin: 0;
  }
  .download-card > p {
    font-size: 11px;
    margin: 5px 0 15px;
  }
  .download-button {
    padding: 9px 18px;
    font-size: 11px;
  }
  .release-status {
    font-size: 9px;
    margin-top: 8px;
  }
  .release-note {
    font-size: 10px;
    padding-inline: 10px;
  }
  .download-links {
    font-size: 11px;
    gap: 18px;
  }
  .faq-section {
    grid-template-columns: 1fr;
    gap: 35px;
    padding-block: 65px;
  }
  .faq-section h2 {
    font-size: 29px;
  }
  .faq-section summary {
    font-size: 13px;
  }
  .footer-main {
    flex-direction: column;
    padding-bottom: 30px;
    gap: 35px;
  }
  .footer-links {
    justify-content: space-between;
    gap: 20px;
  }
  .footer-bottom {
    flex-wrap: wrap;
    font-size: 9px;
    gap: 8px 20px;
  }
  .footer-bottom > span:last-child {
    flex-basis: 100%;
  }
  footer {
    padding-top: 35px;
  }
}
@media (max-width: 360px) {
  .brand {
    font-size: 18px;
    gap: 6px;
  }
  .brand img {
    width: 24px;
    height: 24px;
  }
  .header-inner {
    padding-inline: 10px;
  }
  .header-actions {
    gap: 2px;
  }
  .theme-toggle,
  .menu-toggle {
    min-width: 28px;
  }
  .languages a {
    padding-inline: 6px;
  }
  .hero h1 {
    font-size: 48px;
  }
  .protocol-tabs button {
    padding-inline: 9px;
  }
  .wrap {
    width: calc(100% - 32px);
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    transition: none !important;
    animation: none !important;
  }
}
@media (scripting: none) {
  .header-inner {
    background: var(--header);
    color: var(--fg);
    backdrop-filter: blur(24px);
  }
  .site-header {
    position: sticky;
    padding-top: 10px;
    background: var(--hero-blue);
  }
  .hero {
    padding-top: 65px;
  }
  .site-header nav {
    display: flex;
    position: static;
    flex-direction: row;
    padding: 0;
    border: 0;
    background: none;
    box-shadow: none;
    gap: 12px;
    font-size: 11px;
  }
  .header-inner {
    flex-wrap: wrap;
    height: auto;
    padding-block: 10px;
  }
  .header-actions {
    margin-left: auto;
  }
  .protocol-panel[hidden] {
    display: grid !important;
    margin-top: 20px;
  }
  .protocol-tabs {
    display: none;
  }
}