@font-face {
  font-family: "Alibaba PuHuiTi";
  src: url("/static/static/plug/font/Alibaba-PuHuiTi-Regular.otf") format("opentype");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

:root {
  color-scheme: light;
  --ink: #101828;
  --ink-soft: #344054;
  --muted: #667085;
  --muted-light: #98a2b3;
  --paper: #f7f9fc;
  --surface: #ffffff;
  --line: #e4e7ec;
  --line-strong: #cfd6e1;
  --blue: #246bfe;
  --blue-dark: #1554d1;
  --cyan: #20b8d5;
  --green: #12b76a;
  --amber: #f79009;
  --night: #101828;
  --night-soft: #1d2939;
  --radius: 10px;
  --shadow-soft: 0 18px 48px rgba(16, 24, 40, .08);
  --shadow-stage: 0 26px 64px rgba(16, 24, 40, .18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Alibaba PuHuiTi", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

.site-shell {
  width: min(1240px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(228, 231, 236, .9);
  background: rgba(247, 249, 252, .94);
  backdrop-filter: blur(18px);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: 0 0 auto;
}

.brand-lockup img {
  width: 34px;
  height: 34px;
  display: block;
  border-radius: 9px;
}

.brand-name {
  color: var(--ink);
  font-size: 18px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0;
}

.brand-subtitle {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1;
  font-weight: 600;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav a,
.header-link {
  min-height: 38px;
  padding: 8px 12px;
  display: inline-flex;
  align-items: center;
  border-radius: 7px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.main-nav a:hover,
.header-link:hover {
  color: var(--blue);
  background: #edf3ff;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
}

.header-link.primary-link {
  padding-inline: 15px;
  color: #fff;
  background: var(--blue);
}

.header-link.primary-link:hover {
  color: #fff;
  background: var(--blue-dark);
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: var(--surface);
  cursor: pointer;
}

.menu-toggle span,
.menu-toggle::before,
.menu-toggle::after {
  width: 17px;
  height: 2px;
  display: block;
  margin: 4px auto;
  background: currentColor;
  content: "";
}

.hero {
  padding: 94px 0 92px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, .86fr) minmax(520px, 1.14fr);
  gap: 76px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--blue);
  font-size: 12px;
  line-height: 18px;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 620px;
  margin: 0 0 24px;
  color: var(--ink);
  font-size: 68px;
  line-height: 1.08;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 570px;
  margin: 0 0 30px;
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.8;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button {
  min-height: 46px;
  padding: 11px 17px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  color: var(--ink);
  background: var(--surface);
  font-size: 14px;
  line-height: 22px;
  font-weight: 800;
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease, transform 180ms ease;
}

.button:hover {
  border-color: #aeb9c8;
  transform: translateY(-1px);
}

.button.primary {
  border-color: var(--blue);
  color: #fff;
  background: var(--blue);
}

.button.primary:hover {
  border-color: var(--blue-dark);
  background: var(--blue-dark);
}

.button.dark {
  border-color: rgba(255, 255, 255, .24);
  color: #fff;
  background: rgba(255, 255, 255, .08);
}

.button.dark:hover {
  border-color: rgba(255, 255, 255, .45);
  background: rgba(255, 255, 255, .14);
}

.hero-links {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.text-link {
  color: var(--ink-soft);
  text-decoration: underline;
  text-decoration-color: #c5ceda;
  text-underline-offset: 4px;
}

.text-link:hover {
  color: var(--blue);
  text-decoration-color: var(--blue);
}

.hero-proof {
  margin: 44px 0 0;
  padding: 18px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
}

.hero-proof span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-proof span::before {
  width: 7px;
  height: 7px;
  display: inline-block;
  border-radius: 50%;
  background: var(--green);
  content: "";
}

.hero-stage {
  position: relative;
  min-height: 560px;
  padding: 24px;
  overflow: hidden;
  border-radius: 14px;
  background: var(--night);
  box-shadow: var(--shadow-stage);
}

.hero-stage::before {
  position: absolute;
  inset: 0;
  background: rgba(36, 107, 254, .08);
  content: "";
  pointer-events: none;
}

.stage-topline {
  position: relative;
  z-index: 1;
  min-height: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #cdd5df;
  font-size: 12px;
  font-weight: 750;
}

.stage-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.live-dot {
  width: 8px;
  height: 8px;
  display: inline-block;
  border-radius: 50%;
  background: #32d583;
  box-shadow: 0 0 0 4px rgba(50, 213, 131, .13);
}

.stage-dots {
  display: inline-flex;
  gap: 5px;
}

.stage-dots i {
  width: 6px;
  height: 6px;
  display: block;
  border-radius: 50%;
  background: #667085;
}

.stage-dots i:first-child {
  background: #fdb022;
}

.stage-window {
  position: relative;
  z-index: 1;
  margin-top: 20px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 10px;
  background: #f2f4f7;
  box-shadow: 0 20px 48px rgba(0, 0, 0, .22);
}

.stage-window img {
  width: 100%;
  aspect-ratio: 16 / 10;
  display: block;
  object-fit: contain;
  object-position: top center;
  background: #f2f4f7;
}

.stage-phone {
  position: absolute;
  z-index: 2;
  right: 20px;
  bottom: 22px;
  width: 144px;
  padding: 7px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .3);
  border-radius: 16px;
  background: #0b1220;
  box-shadow: 0 18px 36px rgba(0, 0, 0, .28);
}

.stage-phone img {
  width: 100%;
  aspect-ratio: 390 / 844;
  display: block;
  object-fit: cover;
  object-position: top center;
  border-radius: 10px;
}

.stage-note {
  position: absolute;
  z-index: 3;
  left: 24px;
  bottom: 26px;
  max-width: 240px;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 8px;
  color: #d0d5dd;
  background: rgba(29, 41, 57, .94);
  font-size: 12px;
  line-height: 1.55;
}

.stage-note strong {
  display: block;
  margin-bottom: 3px;
  color: #fff;
  font-size: 13px;
}

.section {
  padding: 108px 0;
  border-bottom: 1px solid var(--line);
}

.section-heading {
  max-width: 700px;
  margin-bottom: 48px;
}

.section-heading h2 {
  margin: 0 0 14px;
  color: var(--ink);
  font-size: 42px;
  line-height: 1.16;
  letter-spacing: 0;
}

.section-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

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

.workflow-list {
  position: relative;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px;
  list-style: none;
}

.workflow-list::before {
  position: absolute;
  top: 20px;
  left: 48px;
  right: 48px;
  height: 2px;
  background: #dbe4f0;
  content: "";
}

.workflow-item {
  position: relative;
  padding: 64px 24px 0 0;
}

.step-number {
  position: absolute;
  top: 0;
  left: 0;
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #b9ccff;
  border-radius: 50%;
  background: #fff;
  color: var(--blue);
  font-size: 13px;
  line-height: 1;
  font-weight: 850;
  letter-spacing: 0;
  box-shadow: 0 0 0 6px #f4f7ff;
}

.workflow-item h3 {
  margin: 0 0 10px;
  font-size: 21px;
  line-height: 1.35;
}

.workflow-item p {
  max-width: 310px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.workflow-tags {
  max-width: 340px;
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.workflow-tags span {
  min-height: 28px;
  padding: 4px 9px;
  display: inline-flex;
  align-items: center;
  border: 1px solid #dbe4f0;
  border-radius: 7px;
  color: #475467;
  background: #f8fafc;
  font-size: 12px;
  line-height: 18px;
  font-weight: 700;
}

.products {
  background: var(--paper);
}

.product-tabs {
  margin-bottom: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.product-tab {
  min-height: 40px;
  padding: 8px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  color: var(--ink-soft);
  background: transparent;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
}

.product-tab[aria-selected="true"] {
  border-color: var(--ink);
  color: #fff;
  background: var(--ink);
}

.product-panel {
  display: grid;
  grid-template-columns: minmax(280px, .7fr) minmax(0, 1.3fr);
  gap: 46px;
  align-items: center;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.product-copy .eyebrow {
  margin-bottom: 12px;
}

.product-copy h3 {
  margin: 0 0 12px;
  font-size: 30px;
  line-height: 1.25;
  letter-spacing: 0;
}

.product-copy p {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.product-points {
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 10px;
  list-style: none;
}

.product-points li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.55;
}

.product-points li::before {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--blue);
  content: "";
}

.product-shot {
  min-width: 0;
  padding: 10px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #eef2f6;
}

.product-shot img {
  width: 100%;
  aspect-ratio: 16 / 10;
  display: block;
  object-fit: contain;
  object-position: top center;
  border-radius: 6px;
  background: #f2f4f7;
}

.widget-section {
  color: #fff;
  background: var(--night);
}

.widget-section .section-heading h2,
.widget-section .section-heading p {
  color: #fff;
}

.widget-section .section-heading p {
  color: #b7c2d0;
}

.widget-layout {
  display: grid;
  grid-template-columns: minmax(270px, .75fr) minmax(0, 1.25fr);
  gap: 54px;
  align-items: center;
}

.widget-copy h3 {
  margin: 0 0 14px;
  color: #fff;
  font-size: 30px;
  line-height: 1.25;
}

.widget-copy p {
  margin: 0 0 26px;
  color: #b7c2d0;
  font-size: 15px;
  line-height: 1.8;
}

.widget-meta {
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 10px;
  list-style: none;
}

.widget-meta li {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
  color: #b7c2d0;
  font-size: 13px;
}

.widget-meta strong {
  color: #fff;
  font-weight: 750;
}

.widget-demo-frame {
  min-width: 0;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 12px;
  background: #1d2939;
}

.demo-browser-bar {
  min-height: 30px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 4px 10px;
  color: #98a2b3;
  font-size: 11px;
}

.demo-browser-bar i {
  width: 7px;
  height: 7px;
  display: block;
  border-radius: 50%;
  background: #667085;
}

.demo-browser-bar i:first-child {
  background: #f04438;
}

.demo-browser-bar i:nth-child(2) {
  background: #fdb022;
}

.demo-browser-bar i:nth-child(3) {
  background: #32d583;
}

.demo-browser-url {
  margin-left: 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.demo-app {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(180px, .6fr);
  min-height: 390px;
  overflow: hidden;
  border-radius: 8px;
  background: #f5f7fa;
}

.demo-chat {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.demo-chat-head {
  min-height: 54px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  background: #fff;
  border-bottom: 1px solid #e7edf5;
  font-size: 14px;
  font-weight: 800;
}

.demo-avatar {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 9px;
  color: #fff;
  background: var(--blue);
  font-size: 13px;
  font-weight: 850;
}

.demo-chat-state {
  margin-left: auto;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
}

.demo-messages {
  flex: 1;
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.demo-message {
  max-width: 76%;
  padding: 10px 12px;
  border-radius: 9px;
  color: #344054;
  background: #fff;
  box-shadow: 0 5px 15px rgba(16, 24, 40, .06);
  font-size: 13px;
  line-height: 1.5;
}

.demo-message.mine {
  align-self: flex-end;
  color: #fff;
  background: var(--blue);
}

.demo-quick-replies {
  padding: 10px 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  border-top: 1px solid #e4e7ec;
  background: #fff;
}

.demo-quick-replies span {
  padding: 5px 8px;
  border: 1px solid #d0d5dd;
  border-radius: 8px;
  color: #334155;
  font-size: 11px;
  white-space: nowrap;
}

.demo-compose {
  min-height: 54px;
  padding: 9px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-top: 1px solid #e4e7ec;
  background: #fff;
}

.demo-compose-icon {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #d0d5dd;
  border-radius: 8px;
  color: #667085;
  font-weight: 800;
}

.demo-compose-placeholder {
  flex: 1;
  color: #98a2b3;
  font-size: 12px;
}

.demo-send {
  padding: 7px 10px;
  border-radius: 8px;
  color: #fff;
  background: var(--blue);
  font-size: 11px;
  font-weight: 800;
}

.demo-context {
  padding: 16px;
  border-left: 1px solid #e4e7ec;
  background: #fff;
}

.demo-context h4 {
  margin: 0 0 16px;
  color: #101828;
  font-size: 13px;
}

.context-row {
  margin-bottom: 14px;
}

.context-row span {
  display: block;
  margin-bottom: 4px;
  color: #98a2b3;
  font-size: 10px;
}

.context-row strong {
  display: block;
  overflow: hidden;
  color: #344054;
  font-size: 12px;
  line-height: 1.4;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 72px;
  border-top: 1px solid var(--line);
}

.capability-item {
  min-height: 128px;
  padding: 24px 0;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 18px;
  border-bottom: 1px solid var(--line);
}

.capability-index {
  color: var(--blue);
  font-size: 13px;
  font-weight: 850;
}

.capability-item h3 {
  margin: 0 0 6px;
  font-size: 18px;
  line-height: 1.35;
}

.capability-item p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.developer-band {
  color: #fff;
  background: #162033;
}

.developer-grid {
  display: grid;
  grid-template-columns: minmax(260px, .72fr) minmax(0, 1.28fr);
  gap: 58px;
  align-items: center;
}

.developer-band h2 {
  margin: 0 0 14px;
  color: #fff;
  font-size: 40px;
  line-height: 1.2;
  letter-spacing: 0;
}

.developer-band p {
  margin: 0 0 24px;
  color: #b7c2d0;
  font-size: 15px;
  line-height: 1.8;
}

.developer-steps {
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 11px;
  list-style: none;
}

.developer-steps li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #d0d5dd;
  font-size: 14px;
}

.developer-steps b {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: 50%;
  color: #fff;
  font-size: 11px;
}

.code-window {
  position: relative;
  padding: 18px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .15);
  border-radius: 10px;
  background: #0b1220;
}

.code-window-top {
  min-height: 24px;
  display: flex;
  align-items: center;
  gap: 6px;
  color: #98a2b3;
  font-size: 11px;
}

.code-window-top i {
  width: 7px;
  height: 7px;
  display: block;
  border-radius: 50%;
  background: #667085;
}

.code-window-top i:first-child {
  background: #f04438;
}

.code-window-top i:nth-child(2) {
  background: #fdb022;
}

.code-window-top i:nth-child(3) {
  background: #32d583;
}

.code-window pre {
  margin: 18px 0 0;
  overflow-x: auto;
  color: #d0d5dd;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 13px;
  line-height: 1.75;
  white-space: pre-wrap;
}

.code-key {
  color: #7cc4ff;
}

.code-string {
  color: #9fe870;
}

.copy-code {
  position: absolute;
  top: 14px;
  right: 14px;
  min-height: 32px;
  padding: 5px 10px;
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 6px;
  color: #e4e7ec;
  background: rgba(255, 255, 255, .06);
  font-size: 12px;
  font-weight: 750;
  cursor: pointer;
}

.copy-code:hover {
  background: rgba(255, 255, 255, .14);
}

.downloads {
  background: var(--paper);
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.download-item {
  min-height: 238px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}

.download-label {
  margin-bottom: 24px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

.download-item h3 {
  margin: 0 0 8px;
  font-size: 20px;
  line-height: 1.35;
}

.download-item p {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.download-item .button-row {
  margin-top: auto;
}

.trust-row {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px 28px;
  color: var(--muted);
  font-size: 12px;
}

.final-cta {
  padding: 92px 0;
  color: #fff;
  background: var(--blue);
}

.final-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.final-cta h2 {
  max-width: 650px;
  margin: 0 0 10px;
  color: #fff;
  font-size: 42px;
  line-height: 1.2;
  letter-spacing: 0;
}

.final-cta p {
  margin: 0;
  color: rgba(255, 255, 255, .78);
  font-size: 15px;
}

.site-footer {
  padding: 28px 0 34px;
  color: var(--muted);
  background: var(--paper);
  font-size: 12px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

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

@media (max-width: 1080px) {
  .hero-grid {
    grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr);
    gap: 42px;
  }

  .hero h1 {
    font-size: 58px;
  }

  .site-shell {
    width: min(100% - 36px, 1240px);
  }
}

@media (max-width: 900px) {
  .header-inner {
    min-height: 68px;
  }

  .main-nav,
  .header-actions {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .site-header.is-open .main-nav {
    position: absolute;
    top: 68px;
    right: 18px;
    left: 18px;
    padding: 10px 10px 76px;
    display: grid;
    gap: 3px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    box-shadow: var(--shadow-soft);
  }

  .site-header.is-open .main-nav a {
    min-height: 42px;
  }

  .site-header.is-open .header-actions {
    position: absolute;
    top: 304px;
    right: 28px;
    left: 28px;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .site-header.is-open .header-link {
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .hero {
    padding: 64px 0 72px;
  }

  .hero-grid,
  .product-panel,
  .widget-layout,
  .developer-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    max-width: 720px;
    font-size: 52px;
  }

  .hero-stage {
    min-height: 500px;
  }

  .workflow-list {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .workflow-list::before {
    top: 0;
    bottom: 0;
    left: 20px;
    right: auto;
    width: 2px;
    height: auto;
  }

  .workflow-item {
    min-height: 0;
    padding: 0 0 30px 58px;
  }

  .workflow-item:last-child {
    padding-bottom: 0;
  }

  .step-number {
    left: 0;
    width: 40px;
    height: 40px;
    box-shadow: 0 0 0 5px #fff;
  }

  .workflow-tags {
    max-width: none;
  }

  .download-grid,
  .capability-grid {
    grid-template-columns: 1fr;
  }

  .final-cta-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 600px) {
  .site-shell {
    width: calc(100% - 28px);
  }

  .brand-subtitle {
    display: none;
  }

  .hero {
    padding: 50px 0 58px;
  }

  .hero h1 {
    font-size: 42px;
    line-height: 1.12;
  }

  .hero-lead {
    font-size: 16px;
    line-height: 1.75;
  }

  .button-row {
    display: grid;
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .hero-proof {
    display: grid;
    gap: 12px;
  }

  .hero-stage {
    min-height: 400px;
    padding: 14px;
  }

  .stage-window {
    margin-top: 14px;
  }

  .stage-phone {
    position: relative;
    right: auto;
    bottom: auto;
    margin: 14px 0 0 auto;
    width: min(148px, 42%);
  }

  .stage-note {
    position: relative;
    left: auto;
    bottom: auto;
    max-width: none;
    margin-top: 12px;
  }

  .site-header.is-open .header-actions {
    position: absolute;
    top: 304px;
    right: 28px;
    left: 28px;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  .site-header.is-open .header-actions .header-link {
    min-height: 40px;
    display: inline-flex;
    justify-content: center;
  }

  .site-header.is-open .header-actions .primary-link {
    color: #fff;
  }

  .site-header.is-open .header-actions .header-link:not(.primary-link) {
    color: var(--ink);
    border: 1px solid var(--line);
  }

  .section {
    padding: 72px 0;
  }

  .section-heading {
    margin-bottom: 32px;
  }

  .section-heading h2,
  .developer-band h2,
  .final-cta h2 {
    font-size: 32px;
  }

  .product-panel {
    padding: 16px;
    gap: 26px;
  }

  .product-copy h3,
  .widget-copy h3 {
    font-size: 26px;
  }

  .demo-app {
    grid-template-columns: 1fr;
  }

  .demo-context {
    display: none;
  }

  .widget-demo-frame {
    padding: 9px;
  }

  .developer-band .code-window pre {
    font-size: 11px;
  }

  .download-item {
    min-height: 0;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}