:root {
  --bg: #f5f0e8;
  --bg-alt: #ede5d8;
  --bg-card: #fffdf8;
  --ink: #3d3027;
  --ink-2: #5c4d3e;
  --ink-3: #8b7d6b;
  --ink-4: #a89888;
  --line: #d9cfc0;
  --line-2: #e8e0d4;
  --accent: #8b6f47;
  --accent-light: #e8ddd0;
  --accent-dark: #74593a;
  --green: #5b7553;
  --green-light: #dce8d5;
  --amber: #b8860b;
  --amber-light: #f0e4c8;
  --radius: 20px;
  --radius-sm: 14px;
  --radius-lg: 28px;
  --shadow-sm: 0 1px 3px rgba(61,48,39,0.04);
  --shadow: 0 4px 16px rgba(61,48,39,0.06);
  --shadow-lg: 0 12px 40px rgba(61,48,39,0.08);
  --max: 1200px;
  --gutter: 24px;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", Georgia, "Times New Roman", serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; background: none; border: none; }
ul, ol { list-style: none; }
h1, h2 { font-family: var(--serif); line-height: 1.3; text-wrap: balance; }
h3, h4 { line-height: 1.2; text-wrap: balance; }
p { text-wrap: pretty; }
[data-lang="en"] body {
  line-height: 1.6;
}
[data-lang="en"] h1,
[data-lang="en"] h2 {
  font-family: var(--sans);
  line-height: 1.18;
}
[data-lang="en"] h3,
[data-lang="en"] h4 {
  line-height: 1.25;
}
[data-lang="en"] p {
  text-wrap: auto;
}


[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-reveal].revealed { opacity: 1; transform: none; }



.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--gutter);
  background: rgba(245,240,232,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line-2);
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}
.nav-brand img { width: 28px; height: 28px; mix-blend-mode: multiply; }
.nav-brand-text {
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.nav-brand-name { font-size: 18px; font-weight: 600; }
.nav-brand-sub { font-size: 11px; color: var(--ink-4); font-weight: 400; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 14px;
  color: var(--ink-3);
}
.nav-links a { transition: color 0.2s; }
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--ink); font-weight: 600; }
.nav-cta {
  padding: 8px 20px;
  background: var(--ink);
  color: #fff !important;
  border-radius: 100px;
  font-weight: 500;
  font-size: 14px;
  transition: background 0.2s;
}
.nav-cta:hover { background: var(--ink-2); }


.nav-dropdown {
  position: relative;
}
.nav-dropdown-toggle {
  background: none;
  border: none;
  font: inherit;
  font-size: 14px;
  color: var(--ink-3);
  cursor: pointer;
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color 0.2s;
}
.nav-dropdown-toggle:hover { color: var(--ink); }
.nav-dropdown-toggle::after {
  content: "▾";
  font-size: 10px;
}
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  min-width: 160px;
  padding: 8px 0;
  z-index: 200;
}
.nav-dropdown-menu.open { display: block; }
.nav-dropdown-menu a {
  display: block;
  padding: 10px 20px;
  font-size: 14px;
  color: var(--ink-2);
  transition: background 0.15s;
}
.nav-dropdown-menu a:hover {
  background: var(--bg-alt);
  color: var(--ink);
}

.lang-toggle {
  font: inherit;
  font-size: 14px;
  color: var(--ink-3);
  background: none;
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 5px 14px;
  cursor: pointer;
  transition: all 0.2s;
}
.lang-toggle:hover { color: var(--ink); border-color: var(--ink-3); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--ink);
}



.site-footer {
  border-top: 1px solid var(--line);
  padding: 12px calc(var(--gutter) / 4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 600;
}
.footer-brand img { width: 28px; height: 28px; }
.footer-brand span { color: var(--ink-3); font-weight: 400; font-size: 13px; }
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 13px;
  color: var(--ink-4);
}
.footer-links a:hover { color: var(--ink); }



.hero {
  padding: 100px var(--gutter) 80px;
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  min-height: calc(100vh - 64px);
}
.hero-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 28px;
  align-items: center;
}
.hero-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
  left: 40px;
}
.hero-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-light);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}
.hero h1 {
  font-size: clamp(28px, 3.2vw, 40px);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 16px;
}
.hero h1 .accent { color: var(--accent); }
.hero-desc {
  font-size: 17px;
  color: var(--ink-3);
  line-height: 1.7;
  margin-bottom: 28px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 24px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 500;
  transition: all 0.2s;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-1px); }
.btn-outline {
  border: 1px solid var(--line);
  color: var(--ink);
  background: transparent;
}
.btn-outline:hover { border-color: var(--ink-3); background: var(--bg-alt); }

.hero-image-wrap {
  display: flex;
  flex-direction: column;
  position: relative;
  left: -56px;
  width: calc(100% + 92px);
}


.hero-logo-badge {
  position: absolute;
  top: -18px;
  left: -18px;
  z-index: 2;
  width: 52px;
  height: 52px;
  background: var(--bg-card);
  border-radius: 14px;
  box-shadow: 0 4px 16px rgba(61,48,39,0.1);
  border: 1px solid var(--line-2);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
}
.hero-logo-badge img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}


.browser-mockup {
  background: var(--bg-card);
  border-radius: 16px;
  box-shadow:
    0 2px 8px rgba(61,48,39,0.04),
    0 8px 32px rgba(61,48,39,0.08),
    0 24px 64px rgba(61,48,39,0.06);
  border: 1px solid var(--line);
  overflow: hidden;
  position: relative;
}
.browser-mockup::before {
  content: "";
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 80px;
  background: linear-gradient(135deg, var(--accent-light) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(24px);
  z-index: -1;
}
.browser-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 3px 14px;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--line-2);
}
.browser-dots {
  display: flex;
  gap: 6px;
}
.browser-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.browser-dots span:nth-child(1) { background: #e8a87c; }
.browser-dots span:nth-child(2) { background: #d4b896; }
.browser-dots span:nth-child(3) { background: #95b8a1; }
.browser-url {
  flex: 0 1 62%;
  max-width: 640px;
  font-size: 12px;
  color: var(--ink-4);
  background: var(--bg-card);
  padding: 5px 12px;
  border-radius: 8px;
  border: 1px solid var(--line-2);
  font-family: var(--sans);
}
.browser-body {
  overflow: hidden;
}
.browser-body img {
  width: 100%;
  aspect-ratio: 2559 / 1457;
  object-fit: cover;
  object-position: top;
  display: block;
}



.section {
  padding: 100px var(--gutter);
}
.section--alt { background: var(--bg-alt); }
.section--dark {
  background: #2a2118;
  color: #f0e8dc;
}
.section--dark .text-muted { color: rgba(240,232,220,0.55); }

.container {
  max-width: var(--max);
  margin: 0 auto;
  width: 100%;
}
.container--sm { max-width: 720px; }
.container--md { max-width: 960px; }

.section-header {
  margin-bottom: 56px;
}
.section-header.centered {
  text-align: center;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}
.eyebrow {
  display: inline-block;
  font-size: 26px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}
.section--dark .eyebrow { color: #c4a882; }
.section-title {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  margin-bottom: 16px;
}
.section-subtitle {
  font-size: 17px;
  color: var(--ink-3);
  line-height: 1.7;
  max-width: 560px;
}
.subtitle-nowrap {
  text-wrap: auto;
}
.section--dark .section-subtitle { color: rgba(240,232,220,0.55); }
.section-header.centered .section-subtitle { margin-left: auto; margin-right: auto; }
[data-lang="en"] .section-header.centered {
  max-width: 780px;
}
[data-lang="en"] .section-subtitle {
  max-width: 720px;
  line-height: 1.55;
}
[data-lang="en"] .section-subtitle br {
  display: none;
}
[data-lang="en"] .section-subtitle span + span::before {
  content: " ";
}


.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.grid-3 .card,
.grid-3 .card p {
  text-align: left;
}
.grid-5 {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.grid-5 .card {
  text-align: center;
}
.grid-5 .card-icon {
  margin-left: auto;
  margin-right: auto;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  transition: box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}
.card:hover { box-shadow: var(--shadow); }
.card-footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.card-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
}
.card-icon.blue { background: var(--accent-light); color: var(--accent); }
.card-icon.green { background: var(--green-light); color: var(--green); }
.card-icon.amber { background: var(--amber-light); color: var(--amber); }
.card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}
.card p {
  font-size: 15px;
  color: var(--ink-3);
  line-height: 1.7;
}
[data-lang="en"] .grid-5 {
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}
[data-lang="en"] .grid-5 .card {
  text-align: left;
}
[data-lang="en"] .grid-5 .card-icon {
  margin-left: 0;
  margin-right: 0;
}
[data-lang="en"] .card {
  padding: 28px;
}
[data-lang="en"] .card p,
[data-lang="en"] .feature-cell p,
[data-lang="en"] .pricing-card > p,
[data-lang="en"] .platform-desc-text,
[data-lang="en"] .compare-v2-card {
  line-height: 1.55;
}
[data-lang="en"] .card p,
[data-lang="en"] .feature-cell p,
[data-lang="en"] .pricing-card > p,
[data-lang="en"] .legal-card p {
  text-align: center;
}
[data-lang="en"] .grid-5 .card p {
  text-align: left;
}
[data-lang="en"] .grid-3 .card p {
  text-align: left;
}


.compare {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.compare-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--line);
}
.compare-row:last-child { border-bottom: none; }
.compare-row.head {
  background: var(--bg-alt);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-3);
}
.compare-row > div {
  padding: 16px 24px;
  font-size: 15px;
}
.compare-row > div:first-child {
  border-right: 1px solid var(--line);
  color: var(--ink-3);
}
.compare-row > div:last-child {
  font-weight: 500;
}
.compare-row.head > div:last-child { color: var(--accent); }


.compare-new {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-card);
}
.compare-new-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--bg-alt);
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
}
.compare-new-head > div {
  padding: 16px 24px;
  text-align: center;
}
.compare-new-head > div:first-child {
  border-right: 1px solid var(--line);
  color: var(--ink-3);
}
.compare-new-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--line-2);
}
.compare-new-row:last-child { border-bottom: none; }
.compare-new-row > div {
  padding: 18px 24px;
  font-size: 15px;
  text-align: center;
}
.compare-new-row > div:first-child {
  border-right: 1px solid var(--line-2);
  color: var(--ink-3);
}
.compare-new-row > div:last-child {
  font-weight: 600;
  color: var(--accent);
  background: rgba(139,111,71,0.04);
}


.compare-v2 {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: start;
  margin-bottom: 48px;
}
.compare-v2-item { display: flex; flex-direction: column; gap: 12px; }
.compare-v2-label {
  font-size: 15px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 8px;
}
.compare-v2-cards { display: flex; flex-direction: column; gap: 10px; }
.compare-v2-card {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  line-height: 1.5;
}
.compare-v2-card.old {
  background: var(--bg-card);
  border: 1px solid var(--line);
  color: var(--ink-3);
}
.compare-v2-card.new {
  background: var(--accent);
  color: #fff;
  font-weight: 500;
}
.compare-v2-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 48px;
}
.compare-v2-divider span {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--ink);
  color: #f0e8dc;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}


.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  padding: 48px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stat-num {
  font-size: 36px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
}
.stat-label {
  font-size: 14px;
  color: var(--ink-3);
}


.cta-banner {
  background: var(--bg-alt);
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  text-align: center;
  border: 1px solid var(--line);
}
.cta-banner h2 {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  margin-bottom: 12px;
}
.cta-banner p {
  color: var(--ink-3);
  font-size: 17px;
  margin-bottom: 28px;
}
.cta-banner .hero-actions { justify-content: center; }



.action-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.product-hero-quote {
  font-size: clamp(28px,3.5vw,44px);
  margin-bottom: 0;
}
.action-title {
  white-space: nowrap;
}
[data-lang="en"] .product-hero-quote {
  font-size: clamp(30px, 3.1vw, 42px);
  max-width: 980px;
  margin-left: auto;
  margin-right: auto;
}
[data-lang="en"] .product-hero .container--sm {
  max-width: 980px;
}
[data-lang="en"] .action-title {
  white-space: normal;
}
.action-item {
  padding: 40px 32px;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
}
.action-item:nth-child(even) { border-right: none; }
.action-item:nth-child(n+3) { border-top: none; }
.action-num {
  font-size: 48px;
  font-weight: 700;
  color: var(--accent-light);
  line-height: 1;
  margin-bottom: 16px;
  font-family: var(--serif);
}
.action-item h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}
.action-item p {
  font-size: 15px;
  color: var(--ink-3);
  line-height: 1.7;
}

.workspace-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--line);
}
.workspace-img img {
  width: 100%;
  aspect-ratio: 2559 / 1457;
  object-fit: cover;
  object-position: top;
}

.feature-grid-6 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.feature-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}
.feature-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}
.feature-cell {
  padding: 32px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: left;
}
.feature-cell:nth-child(3n) { border-right: none; }
.feature-cell:nth-child(n+4) { border-bottom: none; }
.feature-grid--3 .feature-cell,
.feature-grid--4 .feature-cell {
  border-right: 1px solid var(--line);
  border-bottom: none;
}
.feature-grid--3 .feature-cell:nth-child(3n),
.feature-grid--4 .feature-cell:nth-child(4n) {
  border-right: none;
}
.feature-cell-tag {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 12px;
}
.feature-cell h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
}
.feature-cell p {
  font-size: 14px;
  color: var(--ink-3);
  line-height: 1.65;
  text-align: left;
}
[data-lang="en"] .feature-grid-6 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)) !important;
}
[data-lang="en"] .feature-grid--3 {
  grid-template-columns: repeat(3, 1fr) !important;
}
[data-lang="en"] .feature-grid--4 {
  grid-template-columns: repeat(4, 1fr) !important;
}
[data-lang="en"] .feature-cell p {
  text-align: left;
}

.quote-block {
  border-left: 3px solid var(--accent);
  padding: 24px 32px;
  margin: 48px 0;
  background: var(--bg-alt);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.quote-block p {
  font-size: 20px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.6;
  font-family: var(--serif);
}



.knowledge-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.knowledge-sticky {
  position: sticky;
  top: 96px;
}
.knowledge-sticky h2 {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 700;
  margin-bottom: 16px;
}
.knowledge-sticky p {
  font-size: 17px;
  color: var(--ink-3);
  line-height: 1.7;
}

.flow-steps {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 32px 0;
  margin-top: 48px;
  border-top: 1px solid var(--line);
}
.flow-step {
  padding: 10px 20px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 500;
  background: var(--bg-alt);
  border: 1px solid var(--line);
}
.flow-step.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.flow-arrow { color: var(--ink-4); font-size: 13px; }
.section--dark .flow-steps {
  border-top-color: rgba(240,232,220,0.55);
}
.section--dark .flow-step {
  background: rgba(255,253,248,0.92);
  color: #3d3027;
  border-color: rgba(255,253,248,0.7);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}
.section--dark .flow-step.active {
  background: var(--accent);
  color: #fffdf8;
  border-color: var(--accent);
}
.section--dark .flow-arrow {
  color: rgba(240,232,220,0.75);
}

.obsidian-card {
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px;
  margin-top: 32px;
}
.obsidian-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 16px;
}
.obsidian-list li {
  padding: 10px 0;
  font-size: 15px;
  color: var(--ink-2);
  border-bottom: 1px solid var(--line-2);
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.obsidian-list li::before {
  content: "✓";
  color: var(--green);
  font-weight: 700;
  font-size: 13px;
}
.obsidian-list li:last-child { border-bottom: none; }



.platform-table {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.platform-row {
  display: grid;
  grid-template-columns: 140px 1fr 100px 120px;
  gap: 16px;
  align-items: center;
  padding: 20px 28px;
  border-bottom: 1px solid var(--line);
}
.platform-row:last-child { border-bottom: none; }
.platform-row.head {
  background: var(--bg-alt);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-3);
}
.platform-device {
  font-weight: 600;
  font-size: 16px;
}
.platform-desc-text {
  font-size: 14px;
  color: var(--ink-3);
}
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
}
.badge-green { background: var(--green-light); color: var(--green); }
.badge-amber { background: var(--amber-light); color: var(--amber); }
.badge-gray { background: var(--line-2); color: var(--ink-4); }
.platform-link {
  font-size: 14px;
  color: var(--accent);
  font-weight: 500;
}
.platform-link:hover { text-decoration: underline; }
.platform-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 24px;
  align-items: stretch;
}
.platform-card {
  min-height: 330px;
  padding: 28px;
}
.platform-card .card-icon {
  width: 62px;
  min-width: 62px;
  margin-bottom: 28px;
}
.platform-card h3 {
  min-height: 29px;
  margin-bottom: 16px;
}
.platform-card p {
  min-height: 96px;
  margin-bottom: 24px;
}
.platform-card .card-footer {
  min-height: 90px;
  justify-content: flex-end;
}
.platform-card .badge {
  min-width: 128px;
  text-align: center;
}
.platform-card .btn {
  width: 100%;
  justify-content: center;
}
[data-lang="en"] .platform-card {
  text-align: left;
}
[data-lang="en"] .platform-card .card-icon {
  margin-left: 0;
  margin-right: 0;
}



.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
[data-lang="en"] .pricing-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.pricing-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
}
.pricing-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
  position: relative;
}
.pricing-card.featured::before {
  content: attr(data-label);
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 16px;
  border-radius: 100px;
}
.pricing-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}
.pricing-card h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
}
.pricing-card > p {
  font-size: 14px;
  color: var(--ink-3);
  line-height: 1.65;
  margin-bottom: 24px;
  min-height: 48px;
}
.pricing-features {
  flex: 1;
  margin-bottom: 24px;
}
.pricing-features li {
  padding: 8px 0;
  font-size: 14px;
  color: var(--ink-2);
  border-bottom: 1px solid var(--line-2);
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.pricing-features li::before {
  content: "✓";
  color: var(--green);
  font-weight: 700;
  font-size: 12px;
}
.pricing-features li:last-child { border-bottom: none; }
.pricing-btn {
  display: block;
  text-align: center;
  padding: 12px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--line);
  transition: all 0.2s;
  background: transparent;
}
.pricing-btn:hover { background: var(--bg-alt); }
.pricing-btn.primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.pricing-btn.primary:hover { background: var(--accent-dark); }
.btn.is-disabled,
.pricing-btn.is-disabled {
  opacity: 0.52;
  cursor: not-allowed;
  pointer-events: auto;
}

.faq-section { margin-top: 80px; }
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-item summary {
  padding: 20px 0;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::after {
  content: "+";
  font-size: 20px;
  color: var(--ink-4);
  transition: transform 0.2s;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item p {
  padding: 0 0 20px;
  font-size: 15px;
  color: var(--ink-3);
  line-height: 1.7;
}



.legal-header {
  padding: 100px var(--gutter) 40px;
  border-bottom: 1px solid var(--line);
  max-width: var(--max);
  margin: 0 auto;
}
.legal-header h1 {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  margin-bottom: 12px;
}
.legal-header p {
  font-size: 17px;
  color: var(--ink-3);
  max-width: 640px;
  line-height: 1.7;
}

.legal-content {
  max-width: var(--max);
  margin: 0 auto;
  padding: 48px var(--gutter) 80px;
}
.legal-block {
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}
.legal-block h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 16px;
}
.legal-block h3 {
  font-size: 17px;
  font-weight: 600;
  margin: 20px 0 8px;
}
.legal-block p, .legal-block li {
  font-size: 15px;
  color: var(--ink-2);
  line-height: 1.8;
}
.legal-block ul { padding-left: 20px; list-style: disc; }
.legal-block li { margin-bottom: 6px; }

.legal-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 16px;
}
.legal-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-alt);
}
.legal-card h3 { margin-top: 0; }
a.legal-card {
  display: block;
  color: inherit;
  text-decoration: none;
  transition: border-color .2s ease, transform .2s ease;
}
a.legal-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.note-box {
  background: var(--accent-light);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  font-size: 14px;
  color: var(--accent-dark);
  margin-top: 16px;
  line-height: 1.6;
}



.img-num {
  position: absolute;
  width: 32px; height: 32px;
  background: var(--accent); color: #fff;
  font-size: 14px;
  font-weight: 700;
  font-family: var(--serif);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  z-index: 2;
  box-shadow: 0 2px 8px rgba(139,111,71,0.3);
}



.mobile-showcase {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}
.mobile-showcase-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 180px;
}
.mobile-showcase-item img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--line);
  aspect-ratio: 9 / 19.5;
  object-fit: contain;
  object-position: top;
  background: #fff;
}
.mobile-showcase-item span {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-2);
}
.mobile-showcase-en {
  display: none;
}
[data-lang="en"] .mobile-showcase-zh {
  display: none;
}
[data-lang="en"] .mobile-showcase-en {
  display: block;
}
.mobile-showcase-wide {
  max-width: 1180px;
  margin: 0 auto;
  background: var(--paper);
}
.mobile-showcase-wide img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: auto;
  object-fit: contain;
  background: var(--paper);
}



@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-image-wrap {
    order: -1;
    left: 0;
    width: 100%;
  }
  .browser-mockup::before { display: none; }
  .grid-3, .grid-5 { grid-template-columns: repeat(2, 1fr); }
  .knowledge-grid { grid-template-columns: 1fr; gap: 40px; }
  .knowledge-sticky { position: static; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; }
  .platform-row { grid-template-columns: 1fr 1fr; }
  .platform-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid-6 { grid-template-columns: repeat(2, 1fr); }
  .feature-grid--3,
  .feature-grid--4,
  [data-lang="en"] .feature-grid--3,
  [data-lang="en"] .feature-grid--4 {
    grid-template-columns: 1fr !important;
  }
  .feature-grid--3 .feature-cell,
  .feature-grid--4 .feature-cell {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }
  .feature-grid--3 .feature-cell:last-child,
  .feature-grid--4 .feature-cell:last-child {
    border-bottom: none;
  }
  .feature-cell {
    padding: 28px 30px;
  }
  [data-lang="en"] .feature-cell h3 {
    font-size: 20px;
    margin-bottom: 10px;
  }
  [data-lang="en"] .feature-cell p {
    font-size: 15px;
    line-height: 1.55;
    max-width: none;
    text-align: left;
    text-wrap: auto;
  }
  .legal-grid { grid-template-columns: 1fr; }
  .mobile-showcase { gap: 20px; }
  .mobile-showcase-item { width: 140px; }
}

@media (max-width: 640px) {
  .lang-toggle {
    margin-right: 8px;
    padding: 4px 10px;
    font-size: 12px;
  }
  :root { --gutter: 16px; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px;
    right: var(--gutter);
    width: min(64vw, 260px);
    background: rgba(255,253,248,0.96);
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    box-shadow: var(--shadow-lg);
    gap: 6px;
    z-index: 120;
  }
  .nav-links.open a,
  .nav-links.open .nav-dropdown-toggle {
    justify-content: flex-end;
    width: 100%;
    padding: 10px 12px;
    border-radius: 10px;
    text-align: right;
  }
  .nav-links.open a.active,
  .nav-links.open a:hover,
  .nav-links.open .nav-dropdown-toggle:hover {
    background: var(--bg-alt);
  }
  .nav-links.open .nav-dropdown {
    width: 100%;
  }
  .nav-links.open .nav-dropdown-menu {
    position: static;
    min-width: 0;
    width: 100%;
    margin-top: 4px;
    padding: 6px;
    border: 1px solid var(--line-2);
    border-radius: 12px;
    box-shadow: none;
    background: rgba(245,240,232,0.72);
  }
  .nav-links.open .nav-dropdown-menu a {
    font-size: 13px;
    padding: 8px 10px;
    color: var(--ink-3);
  }
  .nav-toggle { display: flex; }
  .hero { padding-top: 90px; }
  .hero h1 { font-size: 26px; }
  .hero-tag { font-size: 12px; padding: 5px 12px; margin-bottom: 16px; }
  .section { padding: 64px var(--gutter); }
  main > .section:first-child {
    padding-top: 92px;
  }
  .product-hero {
    padding-top: 92px;
    padding-bottom: 72px;
  }
  .grid-3, .grid-2, .grid-5 { grid-template-columns: 1fr; }
  [data-lang="en"] .grid-5 {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  [data-lang="en"] .grid-5 .card {
    padding: 22px;
    min-height: 0;
    text-align: center;
    align-items: center;
  }
  [data-lang="en"] .grid-5 .card-icon {
    margin-left: auto;
    margin-right: auto;
  }
  [data-lang="en"] .grid-5 .card p {
    max-width: none;
    white-space: nowrap;
    font-size: 13px;
    line-height: 1.45;
    text-align: center;
  }
  .action-list { grid-template-columns: 1fr; }
  .action-item { border-right: none !important; }
  .action-item:nth-child(n+2) { border-top: none; }
  .feature-grid-6 { grid-template-columns: 1fr; }
  .feature-cell { border-right: none !important; border-bottom: 1px solid var(--line) !important; }
  .feature-cell:last-child { border-bottom: none !important; }
  .platform-row { grid-template-columns: 1fr; gap: 8px; padding: 16px 20px; }
  .platform-grid { grid-template-columns: 1fr; }
  .platform-card { min-height: 0; }
  .platform-card p,
  .platform-card .card-footer {
    min-height: 0;
  }
  .compare-new-row { grid-template-columns: 1fr; }
  .compare-new-row > div:first-child {
    border-right: none;
    border-bottom: 1px solid var(--line-2);
    padding-bottom: 8px;
  }
  .compare-new-row > div:last-child {
    padding-top: 8px;
  }
  .compare-new-head { grid-template-columns: 1fr 1fr; }
  .compare-v2 { grid-template-columns: 1fr; gap: 16px; }
  .compare-v2-divider { padding-top: 0; }
  .stat-row { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .flow-steps { flex-direction: column; align-items: flex-start; }
  .site-footer { flex-direction: column; align-items: flex-start; }
  .cta-banner { padding: 40px 24px; }
}