:root {
  --ink: #111827;
  --muted: #667085;
  --soft: #f5f6fb;
  --paper: #ffffff;
  --line: #e5e7f0;
  --line-strong: #d7dbea;
  --primary: #5b3df5;
  --primary-2: #7c3aed;
  --hero-purple: #2b1269;
  --cyan: #0ea5e9;
  --teal: #10b981;
  --dark: #151326;
  --shadow: 0 24px 70px rgba(17, 24, 39, .12);
  --soft-shadow: 0 18px 46px rgba(17, 24, 39, .08);
}

* {
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
}

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

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

button,
input,
textarea {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(229, 231, 240, .9);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(18px);
}

.nav-shell,
.section-inner,
.footer-inner,
.copyright {
  width: min(1180px, calc(100% - 44px));
  margin: 0 auto;
}

.nav-shell {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  width: 226px;
  height: 44px;
  align-items: center;
  flex: 0 0 auto;
}

.brand-logo {
  width: 226px;
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px;
  border: 1px solid #eef0f6;
  border-radius: 999px;
  background: #f8f9fd;
}

.nav-links a {
  padding: 9px 14px;
  border-radius: 999px;
  color: #475467;
  font-size: 14px;
  font-weight: 800;
  line-height: 1;
}

.nav-links a:hover,
.nav-links a.active {
  color: #fff;
  background: var(--primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.lang-toggle,
.menu-toggle,
.button {
  min-height: 42px;
  border: 1px solid #dfe3ee;
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  font-size: 14px;
  font-weight: 850;
}

.lang-toggle,
.menu-toggle {
  min-width: 48px;
  padding: 0 13px;
}

.menu-toggle {
  display: none;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  box-shadow: 0 1px 0 rgba(17, 24, 39, .04);
}

.button.primary {
  border-color: transparent;
  color: #fff;
  background: var(--primary);
  box-shadow: 0 18px 36px rgba(91, 61, 245, .26);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 92px 0 84px;
  border-bottom: 0;
  background: var(--hero-purple);
  color: #fff;
}

.page-hero {
  position: relative;
  overflow: hidden;
  padding: 86px 0 72px;
  border-bottom: 0;
  background: var(--hero-purple);
  color: #fff;
}

.hero-grid,
.page-hero-grid,
.split {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(480px, 1.08fr);
  gap: 68px;
  align-items: center;
}

.hero-copy,
.page-copy {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--primary);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: 0;
}

h1 {
  max-width: 720px;
  font-size: clamp(44px, 5vw, 68px);
  font-weight: 950;
}

.page-hero h1 {
  font-size: clamp(42px, 4.6vw, 60px);
}

h2 {
  font-size: clamp(30px, 3.6vw, 46px);
  font-weight: 920;
}

h3 {
  font-size: 21px;
  font-weight: 900;
}

.lead {
  max-width: 650px;
  margin: 22px 0 0;
  color: #475467;
  font-size: 19px;
  font-weight: 650;
  line-height: 1.72;
}

.hero .eyebrow,
.page-hero .eyebrow {
  color: #d8d0ff;
}

.hero .lead,
.page-hero .lead,
.hero .hero-points li {
  color: #f1efff;
}

.hero .hero-points li::before {
  color: var(--primary);
  background: #fff;
}

.hero .button.primary {
  border-color: #fff;
  color: #32167a;
  background: #fff;
  box-shadow: none;
}

.hero .button:not(.primary) {
  border-color: rgba(255, 255, 255, .48);
  color: #fff;
  background: transparent;
  box-shadow: none;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.hero-points,
.check-list {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.hero-points li,
.check-list li {
  position: relative;
  padding-left: 30px;
  color: #263244;
  font-weight: 760;
}

.hero-points li::before,
.check-list li::before {
  position: absolute;
  top: .25em;
  left: 0;
  display: grid;
  width: 20px;
  height: 20px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--primary);
  content: "\2713";
  font-size: 12px;
  font-weight: 950;
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 28px;
}

.trust-strip span,
.mini-tags span,
.status-pill,
.preview-tag,
.module-pill,
.step-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 0 11px;
  border: 1px solid #e3e6f0;
  border-radius: 999px;
  color: #475467;
  background: rgba(255, 255, 255, .78);
  font-size: 12px;
  font-weight: 850;
}

.app-preview {
  position: relative;
  overflow: hidden;
  border: 1px solid #dde2ed;
  border-radius: 24px;
  background: #fff;
  color: var(--ink);
  box-shadow: 0 28px 72px rgba(14, 10, 42, .28);
}

.app-preview::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: transparent;
  content: "";
}

.preview-bar {
  position: relative;
  display: flex;
  min-height: 54px;
  align-items: center;
  gap: 9px;
  padding: 0 18px;
  border-bottom: 1px solid #eceef5;
  background: #fbfcff;
}

.preview-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #ff5f57;
}

.preview-dot:nth-child(2) {
  background: #ffbd2e;
}

.preview-dot:nth-child(3) {
  background: #28c840;
}

.preview-title {
  margin-left: 8px;
  color: #344054;
  font-size: 13px;
  font-weight: 900;
}

.preview-layout {
  position: relative;
  display: grid;
  grid-template-columns: 148px minmax(0, 1fr);
  min-height: 470px;
}

.preview-sidebar {
  padding: 20px 14px;
  border-right: 1px solid #eceef5;
  background: #151326;
  color: #d9d7ef;
}

.preview-logo {
  margin-bottom: 20px;
  color: #fff;
  font-size: 15px;
  font-weight: 950;
}

.preview-nav {
  display: grid;
  gap: 8px;
}

.preview-nav span {
  padding: 10px 11px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 820;
}

.preview-nav span.active {
  color: #fff;
  background: var(--primary);
}

.preview-main {
  padding: 22px;
  background: #f6f7fb;
}

.preview-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 16px;
}

.preview-head strong {
  display: block;
  font-size: 24px;
  line-height: 1.1;
}

.preview-head small {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 760;
}

.draft-card,
.preview-card,
.feature-visual,
.info-panel,
.policy-block,
.contact-panel,
.card {
  border: 1px solid #e1e5ef;
  border-radius: 18px;
  background: #fff;
  color: var(--ink);
  box-shadow: var(--soft-shadow);
}

.draft-card {
  padding: 18px;
}

.draft-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.draft-top strong {
  font-size: 18px;
}

.status-pill {
  border-color: #d9d6ff;
  color: #4f3bc6;
  background: #f3f1ff;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.preview-card {
  min-height: 106px;
  padding: 16px;
  box-shadow: none;
}

.preview-card small,
.review-card span,
.contact-row strong {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}

.preview-card strong,
.review-card strong {
  display: block;
  margin-top: 6px;
  font-size: 17px;
  line-height: 1.25;
}

.preview-line {
  display: block;
  height: 8px;
  margin-top: 10px;
  border-radius: 999px;
  background: #d9deea;
}

.preview-line.short {
  width: 58%;
}

.image-slots {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
  margin-top: 12px;
}

.image-slots i {
  display: block;
  aspect-ratio: 1;
  border-radius: 8px;
  background: #eef2ff;
}

.preview-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.preview-tag.dark {
  border-color: transparent;
  color: #fff;
  background: #151326;
}

.section {
  padding: 90px 0;
  background: #fff;
}

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

.section.compact {
  padding: 42px 0;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 430px);
  gap: 46px;
  align-items: end;
  margin-bottom: 36px;
}

.section-head p,
.card p,
.module-card p,
.feature-row p,
.policy-block p,
.flow-item p,
.contact-grid p {
  margin: 12px 0 0;
  color: var(--muted);
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.module-card,
.card {
  position: relative;
  overflow: hidden;
  min-height: 240px;
  padding: 28px;
}

.module-card::before {
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: var(--primary);
  content: "";
}

.module-card h3,
.card h3 {
  margin-top: 20px;
}

.ui-icon {
  position: relative;
  display: inline-grid;
  width: 46px;
  height: 46px;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 14px;
  color: #fff;
  background: var(--primary);
}

.ui-icon::before,
.ui-icon::after {
  position: absolute;
  content: "";
}

.icon-store::before {
  left: 12px;
  top: 19px;
  width: 22px;
  height: 15px;
  border: 3px solid #fff;
  border-radius: 4px;
}

.icon-store::after {
  left: 9px;
  top: 11px;
  width: 28px;
  height: 11px;
  border-radius: 5px 5px 3px 3px;
  background: #fff;
  clip-path: polygon(10% 100%, 24% 0, 76% 0, 90% 100%);
}

.icon-product::before,
.icon-image::before {
  left: 11px;
  top: 10px;
  width: 24px;
  height: 26px;
  border: 3px solid #fff;
  border-radius: 6px;
}

.icon-product::after {
  left: 17px;
  top: 18px;
  width: 12px;
  height: 3px;
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 7px 0 #fff;
}

.icon-rule::before {
  left: 12px;
  top: 14px;
  width: 22px;
  height: 3px;
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 9px 0 #fff, 0 18px 0 #fff;
}

.icon-rule::after {
  left: 18px;
  top: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 10px 9px 0 #fff, 4px 18px 0 #fff;
}

.icon-listing::before {
  left: 13px;
  top: 12px;
  width: 20px;
  height: 22px;
  border: 3px solid #fff;
  border-radius: 6px;
}

.icon-listing::after {
  left: 20px;
  top: 17px;
  width: 10px;
  height: 10px;
  border-top: 4px solid #fff;
  border-right: 4px solid #fff;
  transform: rotate(45deg);
}

.icon-image::after {
  left: 15px;
  top: 25px;
  width: 18px;
  height: 9px;
  background: #fff;
  clip-path: polygon(0 100%, 35% 25%, 52% 55%, 70% 15%, 100% 100%);
}

.icon-copy::before {
  left: 12px;
  top: 12px;
  width: 22px;
  height: 3px;
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 8px 0 #fff, 0 16px 0 #fff;
}

.icon-copy::after {
  left: 12px;
  top: 36px;
  width: 14px;
  height: 3px;
  border-radius: 999px;
  background: #fff;
}

.icon-price::before,
.icon-ai::before {
  inset: 0;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 16px;
  font-weight: 950;
}

.icon-price::before {
  content: "%";
}

.icon-ai::before {
  content: "AI";
  font-size: 15px;
}

.icon-approve::before {
  left: 15px;
  top: 13px;
  width: 17px;
  height: 10px;
  border-left: 4px solid #fff;
  border-bottom: 4px solid #fff;
  transform: rotate(-45deg);
}

.mini-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 18px;
}

.loop-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin-top: 34px;
  overflow: hidden;
  border: 1px solid #e0e4ef;
  border-radius: 24px;
  background: #fff;
  box-shadow: var(--soft-shadow);
}

.loop-item {
  position: relative;
  min-height: 230px;
  padding: 28px;
  border-right: 1px solid #e8ebf3;
}

.loop-item:last-child {
  border-right: 0;
}

.loop-item strong {
  display: block;
  margin-top: 18px;
  font-size: 22px;
  line-height: 1.2;
}

.loop-item p {
  margin: 10px 0 0;
  color: var(--muted);
}

.loop-no {
  color: var(--primary);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: .08em;
}

.ai-panel {
  display: grid;
  grid-template-columns: minmax(0, .86fr) minmax(420px, 1.14fr);
  gap: 42px;
  align-items: center;
}

.ai-board {
  display: grid;
  gap: 14px;
}

.ai-row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: 18px;
  border: 1px solid #e0e4ef;
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--soft-shadow);
}

.ai-row strong,
.ai-row span {
  display: block;
}

.ai-row span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 720;
}

.module-pill {
  background: #f4f2ff;
  color: #4f3bc6;
  border-color: #dcd7ff;
}

.feature-stack {
  display: grid;
  gap: 18px;
}

.feature-row {
  display: grid;
  grid-template-columns: minmax(0, .88fr) minmax(420px, 1.12fr);
  gap: 28px;
  align-items: center;
  padding: 30px;
  border: 1px solid #e1e5ef;
  border-radius: 24px;
  background: #fff;
  color: var(--ink);
  box-shadow: var(--soft-shadow);
}

.feature-copy h2 {
  font-size: clamp(28px, 3vw, 38px);
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.feature-visual {
  padding: 20px;
  box-shadow: none;
}

.visual-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.visual-head strong {
  font-size: 16px;
}

.fact-grid,
.rule-grid,
.output-grid,
.security-grid,
.contact-grid,
.feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.fact-cell,
.rule-cell {
  min-height: 86px;
  padding: 16px;
  border: 1px solid #e4e8f1;
  border-radius: 14px;
  background: #f8f9fd;
}

.fact-cell {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  min-height: 118px;
  align-items: center;
  gap: 18px;
  padding: 18px 20px;
}

.fact-cell > div {
  min-width: 0;
}

.fact-cell span,
.rule-cell span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}

.fact-cell strong,
.rule-cell strong {
  display: block;
  margin-top: 6px;
}

.tile-svg {
  width: 58px;
  height: 58px;
  flex: 0 0 auto;
}

.asset-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.asset-card,
.demo-copy-card,
.demo-copy-meta {
  border: 1px solid #e4e8f1;
  border-radius: 18px;
  background: #f8f9fd;
}

.asset-card {
  position: relative;
  display: grid;
  min-height: 178px;
  margin: 0;
  padding: 38px 10px 10px;
  place-items: center;
}

.asset-card.detail {
  min-height: 178px;
}

.asset-card span {
  position: absolute;
  top: 16px;
  left: 16px;
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 0 10px;
  border-radius: 999px;
  color: #4f3bc6;
  background: #f2f0ff;
  font-size: 12px;
  font-weight: 850;
}

.asset-card img {
  width: 100%;
  max-height: 128px;
  object-fit: contain;
}

.asset-card.detail img {
  max-height: 128px;
}

.demo-copy {
  display: grid;
  gap: 12px;
}

.demo-copy-card {
  padding: 18px;
}

.demo-copy-card span,
.demo-copy-meta span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}

.demo-copy-card strong {
  display: block;
  margin-top: 8px;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.48;
}

.demo-copy-card ul {
  display: grid;
  gap: 6px;
  margin: 10px 0 0;
  padding-left: 18px;
  color: #475467;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.52;
}

.demo-copy-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 16px;
  background: #f2f0ff;
}

.demo-copy-meta strong {
  color: #4f3bc6;
  font-size: 13px;
}

.formula {
  display: grid;
  gap: 10px;
}

.formula div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 15px;
  border: 1px solid #e4e8f1;
  border-radius: 14px;
  background: #f8f9fd;
}

.formula div.total {
  color: #fff;
  border-color: transparent;
  background: #151326;
}

.formula span {
  color: inherit;
  opacity: .82;
  font-weight: 780;
}

.formula strong {
  font-size: 18px;
}

.workflow-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.workflow-summary div,
.review-card {
  padding: 18px;
  border: 1px solid #e1e5ef;
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--soft-shadow);
}

.workflow-summary strong,
.workflow-summary span {
  display: block;
}

.workflow-summary span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 760;
}

.workflow-layout {
  display: grid;
  grid-template-columns: minmax(0, .96fr) minmax(380px, .84fr);
  gap: 34px;
  align-items: start;
}

.flow-column {
  display: grid;
  gap: 14px;
}

.flow-item {
  position: relative;
  min-height: 128px;
  padding: 24px 24px 24px 92px;
  border: 1px solid #e1e5ef;
  border-radius: 20px;
  background: #fff;
  box-shadow: var(--soft-shadow);
}

.flow-item .ui-icon {
  position: absolute;
  top: 24px;
  left: 24px;
}

.flow-item:not(:last-child)::after {
  position: absolute;
  top: 72px;
  bottom: -18px;
  left: 47px;
  width: 2px;
  background: #dfe3ee;
  content: "";
}

.flow-panel {
  position: sticky;
  top: 96px;
  padding: 28px;
  border: 1px solid #e1e5ef;
  border-radius: 24px;
  background: #fff;
  box-shadow: var(--shadow);
}

.flow-panel h2 {
  font-size: clamp(28px, 3vw, 38px);
}

.review-card {
  margin-top: 14px;
  box-shadow: none;
  background: #f8f9fd;
}

.review-card.approved {
  color: #fff;
  border-color: transparent;
  background: var(--primary);
}

.review-card.approved span {
  color: rgba(255, 255, 255, .78);
}

.review-card.approved strong {
  color: #fff;
}

.boundary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.boundary-card {
  min-height: 190px;
  padding: 24px;
  border: 1px solid #e1e5ef;
  border-radius: 20px;
  background: #fff;
  box-shadow: var(--soft-shadow);
}

.boundary-card strong {
  display: block;
  margin-top: 16px;
  font-size: 20px;
}

.boundary-card p {
  margin: 10px 0 0;
  color: var(--muted);
}

.policy-block {
  max-width: 920px;
  padding: 36px;
}

.policy-block h2 {
  margin-top: 34px;
  font-size: 26px;
}

.policy-block h2:first-child {
  margin-top: 0;
}

.policy-block ul {
  margin: 12px 0 0;
  padding-left: 20px;
  color: var(--muted);
}

.contact-grid {
  grid-template-columns: minmax(0, .85fr) minmax(420px, 1.15fr);
  align-items: start;
}

.contact-panel {
  padding: 28px;
}

.contact-row {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid #e7eaf2;
}

.contact-row:last-child {
  border-bottom: 0;
}

.contact-row span {
  color: #344054;
  font-weight: 720;
}

.site-footer {
  padding: 38px 0 24px;
  color: #c8d0de;
  border-top: 1px solid rgba(255, 255, 255, .06);
  background: #101828;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  justify-content: space-between;
  gap: 44px;
}

.footer-brand {
  max-width: 760px;
}

.footer-brand strong {
  display: block;
  color: #fff;
  font-size: 26px;
  font-weight: 900;
  line-height: 1.1;
}

.footer-brand p {
  max-width: 720px;
  margin: 14px 0 0;
  color: #b9c2d2;
  font-size: 15px;
  font-weight: 650;
  line-height: 1.72;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.footer-links a {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 999px;
  padding: 0 14px;
  color: #dbe3f0;
  background: rgba(255, 255, 255, .045);
  font-size: 14px;
  font-weight: 780;
  line-height: 1;
}

.footer-links a:hover {
  border-color: rgba(255, 255, 255, .26);
  background: rgba(255, 255, 255, .09);
}

.copyright {
  margin-top: 30px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  color: #96a1b3;
  font-size: 13px;
  line-height: 1.55;
}

[data-lang-block] {
  display: none !important;
}

html[lang="zh-CN"] [data-lang-block="zh"],
html[lang="en"] [data-lang-block="en"] {
  display: revert !important;
}

html[lang="zh-CN"] .button[data-lang-block="zh"],
html[lang="en"] .button[data-lang-block="en"] {
  display: inline-flex !important;
}

html[lang="zh-CN"] .asset-card span[data-lang-block="zh"],
html[lang="en"] .asset-card span[data-lang-block="en"] {
  display: inline-flex !important;
}

html[lang="zh-CN"] .fact-cell span[data-lang-block="zh"],
html[lang="en"] .fact-cell span[data-lang-block="en"],
html[lang="zh-CN"] .fact-cell strong[data-lang-block="zh"],
html[lang="en"] .fact-cell strong[data-lang-block="en"],
html[lang="zh-CN"] .rule-cell span[data-lang-block="zh"],
html[lang="en"] .rule-cell span[data-lang-block="en"],
html[lang="zh-CN"] .rule-cell strong[data-lang-block="zh"],
html[lang="en"] .rule-cell strong[data-lang-block="en"] {
  display: block !important;
}

html[lang="zh-CN"] .module-card[data-lang-block="zh"],
html[lang="en"] .module-card[data-lang-block="en"],
html[lang="zh-CN"] .loop-item[data-lang-block="zh"],
html[lang="en"] .loop-item[data-lang-block="en"],
html[lang="zh-CN"] .ai-row[data-lang-block="zh"],
html[lang="en"] .ai-row[data-lang-block="en"],
html[lang="zh-CN"] .flow-item[data-lang-block="zh"],
html[lang="en"] .flow-item[data-lang-block="en"],
html[lang="zh-CN"] .boundary-card[data-lang-block="zh"],
html[lang="en"] .boundary-card[data-lang-block="en"],
html[lang="zh-CN"] .card[data-lang-block="zh"],
html[lang="en"] .card[data-lang-block="en"] {
  display: block !important;
}

html[lang="zh-CN"] .preview-card strong[data-lang-block="zh"],
html[lang="en"] .preview-card strong[data-lang-block="en"],
html[lang="zh-CN"] .preview-card small[data-lang-block="zh"],
html[lang="en"] .preview-card small[data-lang-block="en"],
html[lang="zh-CN"] .preview-head strong[data-lang-block="zh"],
html[lang="en"] .preview-head strong[data-lang-block="en"],
html[lang="zh-CN"] .preview-head small[data-lang-block="zh"],
html[lang="en"] .preview-head small[data-lang-block="en"],
html[lang="zh-CN"] .review-card span[data-lang-block="zh"],
html[lang="en"] .review-card span[data-lang-block="en"],
html[lang="zh-CN"] .review-card strong[data-lang-block="zh"],
html[lang="en"] .review-card strong[data-lang-block="en"] {
  display: block !important;
}

h1,
h2,
h3,
.lead,
p,
li,
span,
strong {
  overflow-wrap: anywhere;
}

@media (max-width: 1040px) {
  .hero-grid,
  .page-hero-grid,
  .split,
  .ai-panel,
  .feature-row,
  .section-head,
  .workflow-layout,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .module-grid,
  .loop-grid,
  .boundary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .loop-item:nth-child(2n) {
    border-right: 0;
  }

  .loop-item {
    border-bottom: 1px solid #e8ebf3;
  }

  .loop-item:nth-last-child(-n+2) {
    border-bottom: 0;
  }

  .flow-panel {
    position: static;
  }

  .nav-links {
    position: absolute;
    top: 76px;
    right: 16px;
    left: 16px;
    display: none;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    padding: 12px;
    border-radius: 16px;
    background: #fff;
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: grid;
  }

  .menu-toggle {
    display: inline-grid;
    place-items: center;
  }
}

@media (max-width: 720px) {
  .nav-shell,
  .section-inner,
  .footer-inner,
  .copyright {
    width: calc(100vw - 28px);
  }

  .brand,
  .brand-logo {
    width: 182px;
  }

  .nav-shell {
    gap: 10px;
  }

  .hero,
  .page-hero,
  .section {
    padding: 56px 0;
  }

  h1,
  .page-hero h1 {
    max-width: 100%;
    font-size: clamp(34px, 9.6vw, 44px);
  }

  h2 {
    font-size: 30px;
  }

  .lead {
    max-width: 100%;
    font-size: 17px;
    line-height: 1.62;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .hero-actions .button {
    width: 100%;
  }

  .preview-layout {
    grid-template-columns: 1fr;
  }

  .preview-sidebar {
    display: none;
  }

  .preview-main {
    padding: 16px;
  }

  .preview-grid,
  .module-grid,
  .loop-grid,
  .fact-grid,
  .rule-grid,
  .output-grid,
  .security-grid,
  .feature-list,
  .workflow-summary,
  .boundary-grid {
    grid-template-columns: 1fr;
  }

  .loop-item,
  .loop-item:nth-child(2n) {
    border-right: 0;
  }

  .loop-item:nth-last-child(-n+2) {
    border-bottom: 1px solid #e8ebf3;
  }

  .loop-item:last-child {
    border-bottom: 0;
  }

  .feature-row,
  .policy-block {
    padding: 22px;
    border-radius: 18px;
  }

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

  .ai-row {
    grid-template-columns: 46px minmax(0, 1fr);
  }

  .ai-row .module-pill {
    grid-column: 2;
    justify-content: flex-start;
  }

  .flow-item {
    padding-left: 78px;
  }

  .flow-item .ui-icon {
    width: 42px;
    height: 42px;
  }

  .contact-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .footer-inner {
    display: grid;
  }

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