:root {
  --background: #ffffff;
  --surface: #f7f8fa;
  --surface-strong: #eef0f4;
  --text: #1b1d24;
  --muted: #68707d;
  --muted-strong: #4e5663;
  --border: #e1e5eb;
  --border-strong: #cfd5de;
  --accent: #5e6ad2;
  --accent-strong: #4652c5;
  --accent-soft: #eef0ff;
  --warning: #b45309;
  --warning-soft: #fff7ed;
  --danger: #b42318;
  --max-width: 1160px;
  --content-width: 880px;
  --radius: 10px;
  --shadow: 0 18px 45px rgba(25, 31, 45, 0.08);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

.js[data-language="zh"] [data-lang="en"],
.js[data-language="en"] [data-lang="zh"] {
  display: none !important;
}

body {
  margin: 0;
  min-width: 0;
  background: var(--background);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body,
button,
a,
summary {
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  display: block;
  max-width: 100%;
}

figure {
  margin: 0;
}

a {
  color: var(--accent-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--text);
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

button,
summary {
  font: inherit;
}

button {
  color: inherit;
}

.skip-link {
  position: absolute;
  z-index: 20;
  top: 0.75rem;
  left: 1rem;
  padding: 0.55rem 0.8rem;
  border-radius: 6px;
  background: var(--text);
  color: #ffffff;
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.96);
}

.site-header-inner,
.site-footer-inner,
.container {
  width: min(calc(100% - 2.5rem), var(--max-width));
  margin-inline: auto;
}

.site-header-inner {
  position: relative;
  display: flex;
  min-height: 74px;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.header-actions {
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: end;
  gap: 1.35rem;
}

.language-switch {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  padding: 0.2rem;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface);
}

.language-switch button {
  min-height: 34px;
  border: 0;
  border-radius: 5px;
  padding: 0.3rem 0.65rem;
  background: transparent;
  color: var(--muted-strong);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
}

.language-switch button[aria-pressed="true"] {
  background: var(--background);
  color: var(--text);
  box-shadow: 0 1px 4px rgba(25, 31, 45, 0.1);
}

.no-js .language-switch {
  display: none;
}

.brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 0.8rem;
  color: var(--text);
  font-size: 1rem;
  font-weight: 650;
  letter-spacing: -0.025em;
  text-decoration: none;
}

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

.brand-mark {
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  overflow: hidden;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(94, 106, 210, 0.18);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-copy {
  display: grid;
  gap: 0.1rem;
}

.brand-copy small {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0;
}

.site-nav {
  display: flex;
  align-items: center;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  color: var(--muted-strong);
  font-size: 0.88rem;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--text);
}

.nav-toggle {
  display: none;
  min-height: 42px;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--background);
  color: var(--muted-strong);
  cursor: pointer;
  padding: 0.45rem 0.7rem;
}

.nav-toggle svg {
  width: 17px;
  height: 17px;
}

.hero {
  padding: 5.5rem 0 5.8rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.92fr);
  align-items: center;
  gap: clamp(2.5rem, 7vw, 7rem);
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  color: var(--text);
  letter-spacing: -0.045em;
  line-height: 1.12;
}

h1 {
  margin-bottom: 1.25rem;
  font-size: clamp(2.65rem, 6vw, 4.75rem);
  font-weight: 650;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 640;
}

h3 {
  margin-bottom: 0.55rem;
  font-size: 1.1rem;
  font-weight: 650;
}

.hero-title-accent {
  display: block;
  color: var(--accent-strong);
  font-size: 0.56em;
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.2;
}

.hero-lede {
  max-width: 39rem;
  margin-bottom: 2rem;
  color: var(--muted-strong);
  font-size: clamp(1.08rem, 1.8vw, 1.35rem);
  line-height: 1.55;
}

.hero-actions,
.inline-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border: 1px solid var(--accent);
  border-radius: 7px;
  padding: 0.6rem 1rem;
  background: var(--accent);
  color: #ffffff;
  font-size: 0.92rem;
  font-weight: 620;
  text-decoration: none;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.button:hover {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
  color: #ffffff;
  transform: translateY(-1px);
}

.button.secondary {
  border-color: var(--border-strong);
  background: var(--background);
  color: var(--muted-strong);
}

.button.secondary:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.button svg {
  width: 17px;
  height: 17px;
}

.microcopy {
  margin: 0.9rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.media-placeholder {
  display: grid;
  min-height: 365px;
  place-items: center;
  padding: 2rem;
  border: 1px dashed var(--border-strong);
  border-radius: 14px;
  background: repeating-linear-gradient(
    -45deg,
    var(--surface),
    var(--surface) 12px,
    #f3f4f7 12px,
    #f3f4f7 24px
  );
  color: var(--muted-strong);
  text-align: center;
}

.media-screenshot {
  min-height: 0;
  width: min(115%, 42rem);
  justify-self: end;
  padding: 0;
  overflow: hidden;
  border-style: solid;
  background: var(--background);
  text-align: left;
}

.media-screenshot img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: contain;
}

.media-placeholder-inner {
  max-width: 22rem;
}

.media-placeholder-mark {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  margin: 0 auto 1rem;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: var(--background);
  color: var(--accent-strong);
}

.media-placeholder-mark svg {
  width: 25px;
  height: 25px;
}

.media-placeholder-title {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--text);
  font-weight: 650;
}

.media-placeholder-copy,
.media-placeholder-spec {
  display: block;
  color: var(--muted);
  font-size: 0.84rem;
}

.media-placeholder-spec {
  margin-top: 0.5rem;
  color: var(--accent-strong);
  font-variant-numeric: tabular-nums;
}

.product-visual {
  position: relative;
  min-height: 365px;
  padding: 1rem;
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.product-visual::after {
  position: absolute;
  right: -1.2rem;
  bottom: 2.3rem;
  width: 42%;
  height: 58%;
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  background: var(--background);
  box-shadow: var(--shadow);
  content: "";
}

.app-window {
  position: relative;
  z-index: 1;
  overflow: hidden;
  min-height: 333px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--background);
}

.app-window-bar {
  display: flex;
  height: 40px;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  padding: 0 0.85rem;
  color: var(--muted);
  font-size: 0.72rem;
}

.window-dots {
  display: flex;
  gap: 0.35rem;
}

.window-dots span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--border-strong);
}

.app-window-body {
  display: grid;
  grid-template-columns: 32% 68%;
  min-height: 292px;
}

.app-sidebar {
  border-right: 1px solid var(--border);
  padding: 1rem 0.75rem;
  background: var(--surface);
}

.app-sidebar-label {
  margin: 0 0 0.8rem 0.3rem;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.app-sidebar-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.22rem;
  padding: 0.52rem 0.55rem;
  border-radius: 6px;
  color: var(--muted-strong);
  font-size: 0.75rem;
}

.app-sidebar-item.active {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.app-sidebar-item svg {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
}

.app-content {
  min-width: 0;
  padding: 1rem;
}

.app-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  overflow: hidden;
  margin-bottom: 1rem;
  color: var(--muted);
  font-size: 0.73rem;
  white-space: nowrap;
}

.app-breadcrumb span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-file-list {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 7px;
}

.app-file-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 4.4rem;
  gap: 0.6rem;
  align-items: center;
  padding: 0.67rem 0.72rem;
  border-top: 1px solid var(--border);
  color: var(--muted-strong);
  font-size: 0.74rem;
}

.app-file-row:first-child {
  border-top: 0;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.66rem;
  text-transform: uppercase;
}

.app-file-name {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 0.45rem;
}

.app-file-name svg {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
  color: var(--accent);
}

.app-file-name span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.app-file-size {
  color: var(--muted);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.section {
  padding: 5.4rem 0;
  border-top: 1px solid var(--border);
}

.section.surface {
  background: var(--surface);
}

.section-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.62fr);
  max-width: none;
  align-items: end;
  gap: clamp(2.5rem, 5vw, 5rem);
  margin-bottom: 2.5rem;
}

.section-header > div,
.section-header > p {
  min-width: 0;
}

.section-header > p {
  max-width: 25rem;
  justify-self: end;
}

.section-header h2,
.split-section h2,
.page-heading h1,
.not-found h1 {
  text-wrap: balance;
}

.heading-phrase {
  white-space: nowrap;
}

.section-header--compact {
  display: block;
}

.section-header--compact h2 {
  max-width: none;
}

.section-header p,
.section-intro {
  margin-bottom: 0;
  color: var(--muted-strong);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.feature-item {
  min-height: 210px;
  padding: 1.75rem 1.25rem;
  border-left: 1px solid var(--border);
}

.feature-item:first-child {
  border-left: 0;
}

.feature-icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  margin-bottom: 1.35rem;
  border: 1px solid rgba(94, 106, 210, 0.26);
  border-radius: 9px;
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.feature-icon svg {
  width: 21px;
  height: 21px;
}

.feature-item p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: start;
}

.split-section > div:first-child h2 {
  max-width: none;
}

.quiet-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--border);
}

.quiet-list li {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.9rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--border);
}

.quiet-list strong {
  display: block;
  margin-bottom: 0.22rem;
  font-size: 0.98rem;
}

.quiet-list p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.91rem;
}

.list-index {
  display: grid;
  width: 1.7rem;
  height: 1.7rem;
  place-items: center;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  color: var(--accent-strong);
  font-size: 0.76rem;
  font-variant-numeric: tabular-nums;
}

.privacy-band {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  padding: 1.3rem 1.4rem;
  border: 1px solid rgba(94, 106, 210, 0.25);
  border-radius: var(--radius);
  background: var(--accent-soft);
}

.privacy-band svg {
  width: 28px;
  height: 28px;
  color: var(--accent-strong);
}

.privacy-band strong,
.privacy-band p {
  display: block;
  margin: 0;
}

.privacy-band p {
  margin-top: 0.2rem;
  color: var(--muted-strong);
  font-size: 0.9rem;
}

.risk-note {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  align-self: stretch;
  gap: 0.65rem;
  width: min(100%, 27rem);
  min-width: 0;
  max-width: 27rem;
  padding: 0.15rem 0 0.15rem 1.2rem;
  border-left: 1px solid rgba(180, 83, 9, 0.28);
  color: var(--warning);
  font-size: 0.82rem;
}

.risk-note-copy {
  min-width: 0;
}

.risk-note svg {
  width: 19px;
  height: 19px;
  margin-top: 0.1rem;
  color: var(--warning);
}

.risk-note strong {
  display: block;
  margin: 0 0 0.25rem;
  line-height: 1.45;
  color: var(--warning);
}

.risk-note span {
  display: block;
  line-height: 1.55;
  color: var(--warning);
}

.home-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--border);
}

.home-link {
  display: block;
  min-height: 138px;
  padding: 1.25rem;
  background: var(--background);
  text-decoration: none;
}

.home-link:hover {
  background: var(--surface);
}

.home-link strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--text);
}

.home-link p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.site-footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: center;
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.footer-brand {
  display: flex;
  gap: 0.7rem;
  align-items: center;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 620;
  text-decoration: none;
}

.footer-brand .brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 7px;
}

.footer-meta {
  margin: 0.5rem 0 0;
  color: var(--muted);
  font-size: 0.79rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: end;
  gap: 0.85rem 1.2rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.82rem;
}

.footer-links a {
  color: var(--muted-strong);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--text);
}

.page-main {
  padding: 3.2rem 0 5.5rem;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0 0 2.5rem;
  color: var(--muted);
  font-size: 0.83rem;
}

.breadcrumb a {
  text-decoration: none;
}

.page-heading {
  max-width: 52rem;
  margin-bottom: 2.8rem;
}

.page-heading h1 {
  margin-bottom: 0.65rem;
  font-size: clamp(2.4rem, 5vw, 4.2rem);
}

.page-heading h1 span {
  display: block;
  margin-top: 0.2rem;
  color: var(--accent-strong);
  font-size: 0.5em;
  letter-spacing: -0.035em;
}

.page-heading p {
  margin-bottom: 0;
  color: var(--muted);
}

.support-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: center;
  margin-top: -0.75rem;
  margin-bottom: 2.6rem;
  padding: 1.4rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.support-intro p {
  margin: 0;
  color: var(--muted-strong);
}

.support-intro strong {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--text);
}

.support-email {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  border-radius: 6px;
  padding: 0.45rem 0.7rem;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.9rem;
  font-weight: 630;
  text-decoration: none;
}

.support-email:hover {
  background: #e2e5ff;
}

.support-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.support-sidebar {
  position: sticky;
  top: 1.5rem;
}

.support-sidebar h2,
.toc h2 {
  margin-bottom: 0.8rem;
  font-size: 0.9rem;
  letter-spacing: -0.01em;
}

.topic-nav {
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--border-strong);
}

.topic-nav li a {
  display: block;
  padding: 0.35rem 0 0.35rem 0.9rem;
  color: var(--muted);
  font-size: 0.83rem;
  text-decoration: none;
}

.topic-nav li a:hover {
  color: var(--accent-strong);
}

.support-note {
  margin-top: 2rem;
  padding: 1rem;
  border: 1px solid rgba(94, 106, 210, 0.25);
  border-radius: var(--radius);
  background: var(--accent-soft);
  color: var(--muted-strong);
  font-size: 0.82rem;
}

.support-note strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--text);
  font-size: 0.86rem;
}

.faq-group + .faq-group {
  margin-top: 2.5rem;
}

.faq-group h2 {
  margin-bottom: 0.8rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--border);
  font-size: 1.3rem;
}

.faq-group h2 span {
  display: block;
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.8em;
  font-weight: 550;
  letter-spacing: -0.015em;
}

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

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

.faq-item summary {
  display: flex;
  min-height: 56px;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  list-style: none;
  padding: 0.9rem 0;
  color: var(--text);
  font-size: 1rem;
  font-weight: 630;
}

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

.faq-item summary::after {
  flex: 0 0 auto;
  color: var(--accent-strong);
  content: "+";
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1;
}

.faq-item[open] summary::after {
  content: "–";
}

.faq-question-en {
  display: block;
  margin-top: 0.15rem;
  color: var(--muted);
  font-size: 0.86em;
  font-weight: 520;
}

.faq-answer {
  max-width: 48rem;
  padding: 0 2.2rem 1.1rem 0;
  color: var(--muted-strong);
  font-size: 0.93rem;
}

.faq-answer p {
  margin-bottom: 0.7rem;
}

.faq-answer p:last-child,
.faq-answer ul:last-child,
.faq-answer ol:last-child {
  margin-bottom: 0;
}

.faq-answer ul,
.faq-answer ol {
  margin: 0 0 0.8rem;
  padding-left: 1.3rem;
}

.faq-answer-en {
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px dashed var(--border-strong);
}

.js .faq-answer-en {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.faq-answer-label {
  margin-bottom: 0.3rem;
  color: var(--text);
  font-size: 0.77rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.faq-warning {
  margin-top: 2.3rem;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(180, 83, 9, 0.25);
  border-radius: var(--radius);
  background: var(--warning-soft);
  color: var(--warning);
}

.faq-warning strong {
  display: block;
  margin-bottom: 0.25rem;
}

.legal-layout {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
}

.toc {
  position: sticky;
  top: 1.5rem;
}

.toc nav {
  border-left: 1px solid var(--border-strong);
}

.toc ol {
  display: grid;
  gap: 0.2rem;
  margin: 0;
  padding: 0 0 0 1rem;
  list-style: none;
}

.toc a {
  display: block;
  padding: 0.22rem 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.35;
  text-decoration: none;
}

.toc a:hover {
  color: var(--accent-strong);
}

.legal-note,
.legal-contact {
  margin-top: 1.8rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--muted-strong);
  font-size: 0.82rem;
}

.legal-note strong,
.legal-contact strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--text);
}

.legal-contact address {
  margin: 0;
  font-style: normal;
}

.legal-contact a {
  display: inline-block;
  margin-top: 0.3rem;
}

.legal-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--background);
}

.js .legal-columns {
  grid-template-columns: minmax(0, 1fr);
}

.js .legal-language + .legal-language {
  border-left: 0;
}

.no-js .legal-layout {
  grid-template-columns: minmax(0, 1fr);
}

.no-js .toc {
  position: static;
}

.legal-language {
  min-width: 0;
  padding: clamp(1.5rem, 3.3vw, 2.3rem);
}

.legal-language + .legal-language {
  border-left: 1px solid var(--border-strong);
}

.language-label {
  margin-bottom: 1.5rem;
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.legal-language h2 {
  margin: 2rem 0 0.6rem;
  font-size: 1.18rem;
  letter-spacing: -0.025em;
}

.legal-language h2:first-of-type {
  margin-top: 0;
}

.legal-language p,
.legal-language li {
  color: var(--muted-strong);
  font-size: 0.91rem;
}

.legal-language ul {
  margin: 0 0 1rem;
  padding-left: 1.2rem;
}

.legal-language li + li {
  margin-top: 0.4rem;
}

.legal-language strong {
  color: var(--text);
}

.legal-language .contact-block {
  margin-top: 0.6rem;
  padding: 0.75rem 0.85rem;
  border-left: 2px solid var(--accent);
  background: var(--surface);
}

.page-switcher {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.1rem;
}

.page-switcher a {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  gap: 0.55rem;
  color: var(--accent-strong);
  font-size: 0.9rem;
  text-decoration: none;
}

.page-switcher a:hover {
  color: var(--text);
}

.page-switcher svg {
  width: 17px;
  height: 17px;
}

.not-found {
  display: grid;
  min-height: 65vh;
  place-items: center;
  padding: 4rem 0;
  text-align: center;
}

.not-found-inner {
  max-width: 32rem;
}

.not-found-code {
  margin-bottom: 1rem;
  color: var(--accent-strong);
  font-size: clamp(4rem, 12vw, 7rem);
  font-weight: 700;
  letter-spacing: -0.08em;
  line-height: 0.9;
}

.not-found h1 {
  margin-bottom: 0.8rem;
  font-size: clamp(2rem, 5vw, 3.5rem);
}

.not-found p {
  margin-bottom: 1.6rem;
  color: var(--muted-strong);
}

.print-only {
  display: none;
}

@media (max-width: 900px) {
  .hero-grid,
  .split-section,
  .legal-layout,
  .support-layout {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 3rem;
  }

  .media-screenshot {
    width: 100%;
    justify-self: stretch;
  }

  .product-visual {
    max-width: 680px;
  }

  .legal-layout,
  .support-layout {
    gap: 2rem;
  }

  .toc,
  .support-sidebar {
    position: static;
  }

  .toc {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(190px, 0.65fr);
    gap: 1.3rem;
    align-items: start;
  }

  .toc .legal-note,
  .toc .legal-contact {
    margin-top: 0;
  }

  .topic-nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .support-note {
    max-width: 30rem;
  }

  .support-sidebar h2 {
    margin-bottom: 0.65rem;
  }
}

@media (min-width: 721px) and (max-width: 1100px) {
  .site-header-inner,
  .header-actions {
    gap: 0.85rem;
  }

  .site-nav ul {
    gap: 0.75rem;
  }

  .brand-copy small {
    display: none;
  }
}

@media (max-width: 720px) {
  html {
    scroll-behavior: auto;
  }

  .site-header-inner,
  .site-footer-inner,
  .container {
    width: min(calc(100% - 1.5rem), var(--max-width));
  }

  .site-header-inner {
    min-height: 66px;
    flex-wrap: wrap;
    gap: 0;
    padding: 0.65rem 0;
  }

  .header-actions {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0.55rem;
    padding-top: 0.6rem;
  }

  .no-js .header-actions,
  .nav-open .header-actions {
    display: flex;
  }

  .language-switch {
    align-self: flex-start;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
    border-radius: 9px;
  }

  .brand-copy small {
    display: none;
  }

  .brand-copy > span {
    max-width: 15rem;
    overflow: hidden;
    font-size: 0.9rem;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    width: 100%;
  }

  .site-nav ul {
    display: grid;
    gap: 0.15rem;
    width: 100%;
    padding: 0.3rem 0 0.1rem;
    border-top: 1px solid var(--border);
  }

  .site-nav a {
    min-height: 42px;
    padding: 0.25rem 0;
  }

  .no-js .nav-toggle {
    display: none;
  }

  .hero {
    padding: 3.8rem 0 4.3rem;
  }

  h1 {
    font-size: clamp(2.55rem, 13vw, 4rem);
  }

  .hero-lede {
    font-size: 1.06rem;
  }

  .product-visual {
    min-height: 305px;
    padding: 0.65rem;
  }

  .product-visual::after {
    right: -0.7rem;
    bottom: 1.6rem;
  }

  .app-window {
    min-height: 277px;
  }

  .app-window-body {
    min-height: 236px;
  }

  .app-sidebar {
    padding: 0.75rem 0.45rem;
  }

  .app-sidebar-item {
    padding: 0.45rem 0.35rem;
    font-size: 0.66rem;
  }

  .app-content {
    padding: 0.75rem;
  }

  .app-file-row {
    grid-template-columns: minmax(0, 1fr) 3.5rem;
    padding: 0.56rem 0.55rem;
    font-size: 0.67rem;
  }

  .section {
    padding: 4rem 0;
  }

  .section-header {
    display: block;
    margin-bottom: 1.8rem;
  }

  .section-header p {
    margin-top: 0.7rem;
  }

  .feature-grid,
  .home-links {
    grid-template-columns: 1fr 1fr;
  }

  .feature-item:nth-child(3) {
    border-left: 0;
  }

  .feature-item:nth-child(n + 3) {
    border-top: 1px solid var(--border);
  }

  .feature-item {
    min-height: 190px;
  }

  .privacy-band {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .risk-note {
    grid-column: 1 / -1;
    align-self: auto;
    width: 100%;
    min-height: 0;
    max-width: none;
    padding: 0.9rem 0 0;
    border-top: 1px solid rgba(180, 83, 9, 0.28);
    border-left: 0;
  }

  .site-footer-inner {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 1.2rem;
  }

  .footer-links {
    justify-content: start;
  }

  .page-main {
    padding: 2.5rem 0 4rem;
  }

  .breadcrumb {
    margin-bottom: 1.8rem;
  }

  .page-heading {
    margin-bottom: 2rem;
  }

  .support-intro {
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
  }

  .toc {
    display: block;
  }

  .toc .legal-note,
  .toc .legal-contact {
    margin-top: 1.2rem;
  }

  .legal-columns {
    grid-template-columns: 1fr;
  }

  .legal-language + .legal-language {
    border-top: 1px solid var(--border-strong);
    border-left: 0;
  }

  .legal-language {
    padding: 1.25rem;
  }

  .legal-language p,
  .legal-language li {
    font-size: 0.9rem;
  }

  .topic-nav {
    grid-template-columns: 1fr;
  }

  .faq-answer {
    padding-right: 0;
  }

  .page-switcher {
    display: grid;
  }

  .page-switcher a:last-child {
    justify-content: flex-start;
  }
}

@media (max-width: 470px) {
  .feature-grid,
  .home-links {
    grid-template-columns: 1fr;
  }

  .feature-item,
  .feature-item:nth-child(3) {
    min-height: auto;
    border-left: 0;
    border-top: 1px solid var(--border);
  }

  .feature-item:first-child {
    border-top: 0;
  }

  .privacy-band {
    padding: 1.1rem;
  }

  .product-visual::after {
    display: none;
  }

  .app-window-body {
    grid-template-columns: 37% 63%;
  }

  .app-sidebar-item svg {
    width: 13px;
    height: 13px;
  }

  .app-sidebar-item span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

@media (max-width: 340px) {
  .site-header-inner,
  .site-footer-inner,
  .container {
    width: min(calc(100% - 2rem), var(--max-width));
  }
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.download-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  overflow-wrap: anywhere;
  break-inside: avoid;
}

.download-card h2 { margin: 0 0 1rem; }
.download-card > p:not(.eyebrow) { color: var(--muted-strong); margin: 0 0 2rem; }
.download-card .button,
.download-status { margin-top: auto; max-width: 100%; text-align: center; }
.download-status { padding: 0.65rem 1rem; border-radius: 7px; background: var(--surface-strong); color: var(--muted-strong); }
.download-meta { width: 100%; margin: -0.5rem 0 1.5rem; color: var(--muted-strong); font-size: 0.86rem; }
.download-meta div { display: grid; grid-template-columns: minmax(5.5rem, auto) minmax(0, 1fr); gap: 0.75rem; padding: 0.4rem 0; border-top: 1px solid var(--border); }
.download-meta dt { font-weight: 620; }
.download-meta dd { min-width: 0; margin: 0; }
.download-checksum { display: block !important; }
.download-checksum dd { margin-top: 0.35rem; }
.download-checksum code { display: block; overflow-wrap: anywhere; font-size: 0.76rem; line-height: 1.5; }
.download-help { margin-top: 2rem; }

@media (max-width: 720px) {
  .download-grid { grid-template-columns: minmax(0, 1fr); }
  .download-card .button,
  .download-status { width: 100%; }
}

@media print {
  .download-grid { display: block; }
  .download-card { margin-bottom: 1rem; background: transparent; }
  :root {
    --text: #000000;
    --muted-strong: #222222;
    --muted: #444444;
    --border: #bcbcbc;
    --border-strong: #999999;
  }

  body {
    background: #ffffff;
    font-size: 11pt;
  }

  .site-header,
  .site-footer,
  .skip-link,
  .nav-toggle,
  .language-switch,
  .page-switcher,
  .hero-actions,
  .support-intro .support-email,
  .support-sidebar,
  .toc,
  .privacy-band .risk-note {
    display: none !important;
  }

  .container,
  .site-header-inner,
  .site-footer-inner {
    width: 100%;
  }

  .page-main {
    padding: 0;
  }

  .page-heading,
  .support-intro {
    margin-bottom: 1.2rem;
  }

  .legal-layout,
  .support-layout,
  .legal-columns {
    display: block;
  }

  .legal-columns,
  .support-intro,
  .faq-item,
  .legal-note,
  .legal-contact,
  .faq-warning {
    border-color: #999999;
    box-shadow: none;
  }

  .legal-language + .legal-language {
    margin-top: 1rem;
    border-top: 1px solid #999999;
    border-left: 0;
  }

  .faq-item {
    break-inside: avoid;
  }

  .faq-item:not([open]) .faq-answer {
    display: block;
  }

  .faq-item summary::after {
    display: none;
  }

  a {
    color: #000000;
    text-decoration: underline;
  }

  .print-only {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}