:root {
  --navy: #123b4a;
  --navy-deep: #0b2c38;
  --cyan: #74d3e7;
  --cyan-soft: #e9f8fb;
  --gold: #ffb703;
  --gold-soft: #fff7dc;
  --ink: #16262e;
  --muted: #566b75;
  --line: #d9e4e8;
  --line-strong: #bdced5;
  --paper: #ffffff;
  --surface: #f4f8f9;
  --surface-warm: #fbfaf6;
  --page: #f8faf9;
  --success: #13795b;
  --warning: #b66a00;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 12px 32px rgba(18, 59, 74, 0.08);
  --shadow-lg: 0 28px 80px rgba(18, 59, 74, 0.14);
  --container: min(1180px, calc(100vw - 48px));
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--page);
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 92% 4%, rgba(116, 211, 231, 0.12), transparent 24rem),
    var(--page);
  color: var(--ink);
  font-family: Inter, "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

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

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

button,
input {
  font: inherit;
}

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

h1,
h2,
h3 {
  color: var(--navy-deep);
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 100;
  left: 16px;
  top: 12px;
  transform: translateY(-160%);
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--navy);
  color: #fff;
  font-weight: 700;
}

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

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

.site-header {
  position: sticky;
  z-index: 30;
  top: 0;
  border-bottom: 1px solid rgba(18, 59, 74, 0.1);
  background: rgba(248, 250, 249, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.header-inner {
  min-height: 76px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  color: var(--navy-deep);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.brand img {
  border-radius: 9px;
}

.site-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 4px;
  min-width: 0;
}

.site-nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border-radius: 9px;
  color: #445a64;
  font-size: 0.91rem;
  font-weight: 650;
  white-space: nowrap;
}

.site-nav a:hover {
  background: rgba(18, 59, 74, 0.06);
  color: var(--navy);
}

.language-switch {
  display: inline-flex;
  align-items: center;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--paper);
}

.language-switch button {
  min-width: 44px;
  min-height: 36px;
  padding-inline: 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 750;
}

.language-switch button[aria-pressed="true"] {
  background: var(--navy);
  color: #fff;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(76px, 9vw, 124px) 0 clamp(72px, 9vw, 112px);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.91fr) minmax(480px, 1.09fr);
  align-items: center;
  gap: clamp(48px, 7vw, 94px);
}

.hero-copy,
.hero-product,
.mcp-grid > *,
.boundary-grid > * {
  min-width: 0;
}

.eyebrow,
.section-kicker {
  color: var(--navy);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow {
  width: fit-content;
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 22px;
  padding: 8px 12px;
  border: 1px solid #cce4ea;
  border-radius: 999px;
  background: rgba(233, 248, 251, 0.72);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 4px rgba(19, 121, 91, 0.12);
}

.hero h1 {
  max-width: 760px;
  margin-bottom: 26px;
  font-size: clamp(4.15rem, 7.4vw, 6.6rem);
  font-weight: 800;
  letter-spacing: -0.065em;
}

html[lang="zh"] .hero h1 {
  max-width: 8.5em;
  font-size: clamp(3.75rem, 6.8vw, 5.9rem);
  line-height: 1.03;
}

.hero-lead {
  max-width: 620px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  line-height: 1.65;
}

.hero-actions,
.mcp-actions,
.download-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 11px;
  font-size: 0.93rem;
  font-weight: 800;
  line-height: 1.2;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--navy);
  color: #fff;
  box-shadow: 0 12px 28px rgba(18, 59, 74, 0.2);
}

.button-primary:hover {
  background: #0e3341;
}

.button-secondary {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.8);
  color: var(--navy);
}

.button-secondary:hover {
  border-color: var(--navy);
}

.button-light {
  background: #fff;
  color: var(--navy-deep);
}

.button-ghost {
  border-color: rgba(255, 255, 255, 0.28);
  color: #fff;
}

.button-ghost:hover {
  border-color: rgba(255, 255, 255, 0.65);
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 28px 0 0;
  padding: 0;
  color: #4d626b;
  font-size: 0.84rem;
  list-style: none;
}

.hero-facts li {
  position: relative;
  padding-left: 16px;
}

.hero-facts li::before {
  position: absolute;
  left: 0;
  top: 0.73em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  content: "";
}

.hero-product {
  position: relative;
}

.app-window {
  position: relative;
  z-index: 2;
  overflow: hidden;
  border: 1px solid #c6d8df;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-lg);
}

.app-window-hero {
  transform: rotate(1.2deg);
}

.window-bar {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 17px;
  border-bottom: 1px solid var(--line);
}

.window-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--navy-deep);
}

.window-brand img {
  border-radius: 7px;
}

.window-runtime {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--success);
  font-size: 0.75rem;
  font-weight: 750;
  white-space: nowrap;
}

.window-runtime i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
}

.window-tabs {
  display: flex;
  gap: 4px;
  padding: 9px 12px 0;
  border-bottom: 1px solid var(--line);
  color: #61747c;
  font-size: 0.71rem;
  font-weight: 700;
}

.window-tabs span {
  padding: 8px 10px;
  border-radius: 8px 8px 0 0;
}

.window-tabs .is-active {
  background: var(--cyan-soft);
  color: var(--navy);
}

.query-shell {
  padding: 20px;
}

.query-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.query-heading small {
  display: block;
  margin-bottom: 4px;
  color: #70848d;
  font-size: 0.63rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.query-heading strong {
  color: var(--navy-deep);
  font-size: 0.98rem;
}

.stage-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 9px;
  border: 1px solid #b9dce5;
  border-radius: 999px;
  background: var(--cyan-soft);
  color: var(--navy);
  font-size: 0.68rem;
  font-weight: 800;
  white-space: nowrap;
}

.stage-badge i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #1596b3;
}

.search-field {
  min-height: 48px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
  padding-left: 14px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  color: #71848c;
  font-size: 0.78rem;
}

.search-field b {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  padding-inline: 15px;
  border-radius: 9px;
  background: var(--navy);
  color: #fff;
}

.source-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 12px;
}

.source-row span,
.source-row em {
  padding: 5px 8px;
  border-radius: 7px;
  background: var(--surface);
  color: #4e6670;
  font-size: 0.66rem;
  font-style: normal;
  font-weight: 750;
}

.source-row em {
  margin-left: auto;
  background: var(--gold-soft);
  color: #835500;
}

.result-preview {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fbfdfd;
}

.result-score {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: var(--navy);
  color: #fff;
  font-size: 0.77rem;
  font-weight: 850;
}

.result-preview strong {
  display: block;
  color: var(--navy-deep);
  font-size: 0.79rem;
}

.result-preview p {
  margin: 3px 0 0;
  color: #657881;
  font-size: 0.68rem;
  line-height: 1.45;
}

.result-source {
  color: var(--success);
  font-size: 0.65rem;
  font-weight: 800;
}

.hero-orbit {
  position: absolute;
  z-index: 0;
  pointer-events: none;
}

.hero-orbit-one {
  width: 230px;
  height: 104px;
  right: -38px;
  top: -36px;
  border-top: 1px solid rgba(18, 59, 74, 0.19);
  border-right: 1px solid rgba(18, 59, 74, 0.19);
  border-radius: 0 86px 0 0;
  transform: rotate(-5deg);
}

.hero-orbit-two {
  width: 124px;
  height: 56px;
  left: -38px;
  bottom: -26px;
  border-bottom: 1px solid rgba(255, 183, 3, 0.58);
  border-left: 1px solid rgba(255, 183, 3, 0.58);
  border-radius: 0 0 0 48px;
}

.hero-orbit::after {
  position: absolute;
  width: 9px;
  height: 9px;
  border: 3px solid var(--page);
  border-radius: 50%;
  content: "";
}

.hero-orbit-one::after {
  right: -5px;
  bottom: -5px;
  background: var(--cyan);
}

.hero-orbit-two::after {
  left: -5px;
  top: -5px;
  background: var(--gold);
}

.signal-strip {
  border-block: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.64);
}

.signal-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.signal-grid > div {
  min-width: 0;
  padding: 24px 28px;
}

.signal-grid > div + div {
  border-left: 1px solid var(--line);
}

.signal-grid strong,
.signal-grid span {
  display: block;
}

.signal-grid strong {
  color: var(--navy-deep);
  font-size: 0.86rem;
}

.signal-grid span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.75rem;
}

.section {
  padding: clamp(76px, 9vw, 116px) 0;
}

.section-soft {
  border-block: 1px solid #e3ebee;
  background: var(--surface);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 48px;
}

.section-kicker {
  margin-bottom: 14px;
}

.section-heading h2,
.boundary-copy h2,
.mcp-grid h2,
.download-panel h2 {
  margin-bottom: 18px;
  font-size: clamp(2.35rem, 4.6vw, 4rem);
}

.section-heading > p:last-child,
.boundary-copy > p:last-child,
.download-panel > div > p:last-child {
  max-width: 680px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.02rem;
}

.feature-ledger {
  position: relative;
  border-block: 1px solid var(--line-strong);
}

.feature-ledger::before {
  position: absolute;
  left: 19px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(var(--cyan), rgba(116, 211, 231, 0.16) 82%, var(--gold));
  content: "";
}

.feature-row {
  position: relative;
  display: grid;
  grid-template-columns: 40px minmax(0, 1.4fr) minmax(220px, 0.85fr);
  align-items: center;
  gap: clamp(20px, 3vw, 44px);
  min-height: 148px;
  padding: 24px 0;
}

.feature-row + .feature-row {
  border-top: 1px solid var(--line);
}

.feature-index {
  position: relative;
  z-index: 1;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--page);
  color: #5f7680;
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 0.69rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.feature-row-accent .feature-index {
  border-color: #e3bd4f;
  background: var(--gold-soft);
  color: #765300;
}

.feature-copy h3 {
  margin: 0 0 8px;
  font-size: 1.32rem;
}

.feature-copy p {
  max-width: 680px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.91rem;
}

.mini-pipeline,
.tool-pills,
.feature-signal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 7px;
  margin: 0;
}

.mini-pipeline span,
.mini-pipeline i,
.feature-signal span,
.feature-signal i {
  color: #526a74;
  font-size: 0.69rem;
  font-style: normal;
  font-weight: 800;
}

.mini-pipeline span,
.feature-signal span {
  padding: 5px 8px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.58);
  font-family: Consolas, "SFMono-Regular", monospace;
}

.tool-pills code {
  padding: 5px 8px;
  border-radius: 7px;
  background: rgba(18, 59, 74, 0.08);
  color: var(--navy);
  font-size: 0.67rem;
  font-weight: 750;
}

.workflow-visual {
  margin: 0 0 42px;
}

.workflow-visual img {
  width: 100%;
  display: block;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #f7fbff;
  box-shadow: 0 18px 48px rgba(18, 59, 74, 0.08);
}

.workflow-visual figcaption {
  max-width: 860px;
  margin: 12px auto 0;
  color: var(--muted);
  font-size: 0.82rem;
  text-align: center;
}

.workflow-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: 1px solid #9eb9c3;
  list-style: none;
}

.workflow-grid li {
  position: relative;
  padding: 34px clamp(24px, 4vw, 54px) 0 0;
}

.workflow-grid li::before {
  position: absolute;
  left: 0;
  top: -6px;
  width: 11px;
  height: 11px;
  border: 3px solid var(--surface);
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 1px rgba(18, 59, 74, 0.14);
  content: "";
}

.workflow-grid > li > span {
  display: block;
  margin-bottom: 18px;
  color: #617882;
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.1em;
}

.workflow-grid h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
}

.workflow-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

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

.boundary-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(480px, 1.1fr);
  align-items: center;
  gap: clamp(48px, 7vw, 90px);
}

.boundary-list {
  margin: 0;
}

.boundary-list > div {
  display: grid;
  grid-template-columns: minmax(130px, 0.35fr) 1fr;
  gap: 24px;
  padding: 20px 0;
  border-top: 1px solid #dddcd6;
}

.boundary-list > div:last-child {
  border-bottom: 1px solid #dddcd6;
}

.boundary-list dt {
  color: var(--navy);
  font-size: 0.9rem;
  font-weight: 850;
}

.boundary-list dd {
  margin: 0;
  color: #56686f;
  font-size: 0.9rem;
}

.section-dark {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 90% 20%, rgba(116, 211, 231, 0.16), transparent 26rem),
    var(--navy-deep);
  color: #fff;
}

.mcp-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 0.92fr);
  align-items: center;
  gap: clamp(48px, 7vw, 92px);
}

.section-kicker-light {
  color: var(--cyan);
}

.mcp-grid h2 {
  max-width: 700px;
  color: #fff;
}

.mcp-lead {
  max-width: 650px;
  margin-bottom: 28px;
  color: #c9d7dc;
  font-size: 1rem;
}

.mcp-terminal {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-md);
  background: rgba(4, 27, 35, 0.72);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.18);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 48px;
  padding: 0 15px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.terminal-bar span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.28);
}

.terminal-bar b {
  margin-left: auto;
  color: #a9c3cb;
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 0.66rem;
  font-weight: 600;
}

.terminal-line {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 18px;
}

.terminal-line + .terminal-line {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.terminal-line em {
  color: #708c95;
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 0.68rem;
  font-style: normal;
}

.terminal-line code {
  color: var(--cyan);
  font-size: 0.8rem;
  font-weight: 750;
}

.terminal-line strong {
  color: #d9e6e9;
  font-size: 0.7rem;
  font-weight: 650;
}

.terminal-rule {
  height: 1px;
  margin: 4px 18px 0;
  background: rgba(255, 255, 255, 0.12);
}

.mcp-terminal p {
  margin: 0;
  padding: 18px;
  color: #b4c8ce;
  font-size: 0.8rem;
}

.real-interface {
  overflow: hidden;
  margin-bottom: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper);
  box-shadow: var(--shadow-sm);
}

.real-interface-copy {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 20px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
}

.real-interface-badge {
  width: fit-content;
  padding: 7px 9px;
  border-radius: 8px;
  background: var(--cyan-soft);
  color: var(--navy);
  font-size: 0.64rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.real-interface-copy h3 {
  margin: 0 0 4px;
  color: var(--navy-deep);
  font-size: 1.12rem;
}

.real-interface-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.live-interface-stage {
  padding: clamp(18px, 4vw, 42px);
  background:
    radial-gradient(circle at 84% 12%, rgba(244, 188, 48, 0.16), transparent 26%),
    radial-gradient(circle at 8% 85%, rgba(92, 197, 221, 0.18), transparent 30%),
    var(--surface);
}

.live-interface-gallery {
  display: grid;
  gap: 30px;
}

.live-interface-example {
  min-width: 0;
}

.live-example-heading {
  max-width: 1040px;
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 auto 12px;
}

.live-example-heading > span {
  min-width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--navy);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 850;
}

.live-example-heading small {
  display: block;
  margin-bottom: 2px;
  color: #6b7f87;
  font-size: 0.61rem;
  font-weight: 850;
  letter-spacing: 0.12em;
}

.live-example-heading h4 {
  margin: 0;
  color: var(--navy-deep);
  font-size: 1rem;
}

.live-interface-window {
  max-width: 1040px;
  margin: 0 auto;
  border-radius: 16px;
  box-shadow: 0 24px 60px rgba(23, 55, 68, 0.15);
}

.live-interface-tabs {
  padding-top: 8px;
}

.live-interface-tabs span {
  white-space: nowrap;
}

.live-interface-panel {
  min-height: 360px;
  padding: 22px;
  background: #fbfdfd;
}

.live-panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.live-panel-heading small {
  display: block;
  margin-bottom: 4px;
  color: #70848d;
  font-size: 0.63rem;
  font-weight: 850;
  letter-spacing: 0.14em;
}

.live-panel-heading h4 {
  margin: 0;
  color: var(--navy-deep);
  font-size: 1.08rem;
}

.live-query-field {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 10px;
}

.live-query-field > span {
  min-width: 0;
  min-height: 48px;
  display: flex;
  align-items: center;
  padding: 0 14px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: #fff;
  color: #526871;
  font-size: 0.8rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.live-query-field > b,
.live-query-field > em {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border-radius: 10px;
  font-size: 0.75rem;
  font-style: normal;
  white-space: nowrap;
}

.live-query-field > b {
  background: var(--navy);
  color: #fff;
}

.live-query-field > em {
  border: 1px solid #b9dce5;
  background: var(--cyan-soft);
  color: var(--navy);
  font-weight: 800;
}

.live-query-options {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}

.live-query-options > div {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: #6a7e86;
  font-size: 0.72rem;
}

.live-query-options > div > strong {
  min-width: 52px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #fff;
  color: var(--navy-deep);
}

.live-query-options .live-query-sources {
  flex: 1 1 300px;
  justify-content: flex-end;
}

.live-query-sources b {
  color: #3e5963;
  font-size: 0.7rem;
}

.live-stage-track {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 7px;
  margin-top: 34px;
}

.live-stage-track span {
  position: relative;
  padding: 28px 6px 9px;
  border-radius: 9px;
  background: #edf2f3;
  color: #71838a;
  font-size: 0.66rem;
  font-weight: 750;
  text-align: center;
}

.live-stage-track span::before {
  content: "";
  position: absolute;
  top: 11px;
  left: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #a7b5ba;
  transform: translateX(-50%);
}

.live-stage-track .is-done {
  background: #e7f3ef;
  color: #2e6955;
}

.live-stage-track .is-done::before {
  background: var(--success);
}

.live-stage-track .is-current {
  background: var(--cyan-soft);
  color: var(--navy);
}

.live-stage-track .is-current::before {
  background: #1596b3;
  box-shadow: 0 0 0 5px rgba(21, 150, 179, 0.13);
}

.live-results-heading {
  align-items: flex-end;
}

.live-filter-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 7px;
}

.live-filter-pills span {
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: #536a73;
  font-size: 0.67rem;
  font-weight: 700;
}

.live-results-table {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}

.live-results-row {
  display: grid;
  grid-template-columns: 40px minmax(180px, 1.15fr) minmax(220px, 1.7fr) 76px;
  align-items: center;
  gap: 12px;
  min-height: 58px;
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  color: #647880;
  font-size: 0.71rem;
}

.live-results-row:first-child {
  border-top: 0;
}

.live-results-row strong {
  color: var(--navy-deep);
  font-size: 0.74rem;
}

.live-results-row > b {
  color: var(--navy);
  font-size: 0.82rem;
  text-align: right;
}

.live-results-header {
  min-height: 40px;
  background: #edf3f5;
  color: #536a73;
  font-weight: 800;
}

.live-snippet {
  display: grid;
  grid-template-columns: minmax(210px, 0.85fr) minmax(0, 1.4fr);
  gap: 18px;
  margin-top: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}

.live-snippet div {
  display: grid;
  gap: 5px;
}

.live-snippet span {
  color: #70848d;
  font-size: 0.61rem;
  font-weight: 850;
  letter-spacing: 0.12em;
}

.live-snippet strong {
  color: var(--navy-deep);
  font-size: 0.78rem;
}

.live-snippet p {
  margin: 0;
  color: #647880;
  font-size: 0.72rem;
}

.mobile-swipe-hint {
  display: none;
}

.interface-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.interface-card {
  min-width: 0;
  overflow: hidden;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--paper);
  box-shadow: var(--shadow-sm);
}

.interface-card-wide {
  grid-column: 1 / -1;
}

.interface-card-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}

.interface-card-heading > div > span {
  color: #6c818a;
  font-size: 0.66rem;
  font-weight: 850;
  letter-spacing: 0.14em;
}

.interface-card-heading h3 {
  margin: 5px 0 0;
  font-size: 1.25rem;
}

.demo-query {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--surface);
}

.demo-search {
  padding: 13px 15px;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  background: #fff;
  color: #445a64;
  font-size: 0.84rem;
}

.demo-results {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  margin-top: 10px;
  padding: 12px;
  border-radius: 9px;
  background: #fff;
}

.demo-rank {
  color: #77909a;
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 0.68rem;
}

.demo-results strong {
  display: block;
  color: var(--navy-deep);
  font-size: 0.82rem;
}

.demo-results p {
  margin: 3px 0 0;
  color: #667b84;
  font-size: 0.72rem;
}

.demo-results > b {
  color: var(--success);
  font-size: 0.85rem;
}

.status-stack,
.format-stack {
  display: grid;
  gap: 9px;
}

.status-stack > div,
.format-stack > div {
  min-width: 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 11px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: #455c65;
  font-size: 0.78rem;
}

.status-stack i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.status-ok {
  background: var(--success);
}

.status-idle {
  background: var(--gold);
}

.status-stack b,
.format-stack b {
  color: var(--success);
  font-size: 0.7rem;
  white-space: nowrap;
}

.format-stack > div {
  grid-template-columns: auto 1fr auto;
}

.format-stack strong {
  min-width: 44px;
  color: var(--navy);
}

.download-section {
  padding: 0 0 clamp(76px, 9vw, 112px);
}

.download-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 48px;
  padding: clamp(34px, 5vw, 58px);
  border: 1px solid #c8dde4;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 88% 14%, rgba(116, 211, 231, 0.22), transparent 18rem),
    #eef8fa;
}

.download-panel h2 {
  margin-bottom: 12px;
}

.download-actions {
  justify-content: flex-end;
}

.text-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--navy);
  font-size: 0.87rem;
  font-weight: 800;
  text-decoration: underline;
  text-decoration-color: #8cb7c3;
  text-underline-offset: 4px;
}

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

.footer-inner {
  min-height: 116px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 11px;
}

.footer-brand img {
  border-radius: 8px;
}

.footer-brand strong,
.footer-brand span {
  display: block;
}

.footer-brand strong {
  color: var(--navy-deep);
  font-size: 0.88rem;
}

.footer-brand span {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.73rem;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.site-footer nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding-inline: 10px;
  border-radius: 8px;
  color: #4d626b;
  font-size: 0.82rem;
  font-weight: 700;
}

.site-footer nav a:hover {
  background: var(--surface);
  color: var(--navy);
}

@media (max-width: 1040px) {
  .header-inner {
    grid-template-columns: auto auto;
    justify-content: space-between;
    gap: 8px 18px;
    padding-block: 8px;
  }

  .site-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
  }

  .site-nav::-webkit-scrollbar {
    display: none;
  }

  .hero-grid,
  .boundary-grid,
  .mcp-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 760px;
  }

  .hero-product {
    width: min(760px, 100%);
    margin-inline: auto;
  }

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

  .signal-grid > div:nth-child(3) {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .signal-grid > div:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .boundary-grid,
  .mcp-grid {
    gap: 42px;
  }

  .mcp-terminal {
    width: min(720px, 100%);
  }

  .download-panel {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .download-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 700px) {
  :root {
    --container: min(100% - 28px, 100% - 28px);
  }

  html {
    scroll-padding-top: 78px;
  }

  body {
    font-size: 15px;
  }

  .header-inner {
    grid-template-columns: auto 1fr auto;
    min-height: 70px;
    gap: 8px;
    padding-block: 7px;
  }

  .brand {
    grid-column: 1;
    grid-row: 1;
    font-size: 0.92rem;
  }

  .brand img {
    width: 34px;
    height: 34px;
  }

  .site-nav {
    grid-column: 2;
    grid-row: 1;
    width: auto;
    justify-content: flex-end;
    gap: 0;
    overflow: visible;
    padding: 0;
    border: 0;
  }

  .site-nav a {
    display: none;
  }

  .site-nav a[href="#download"] {
    min-height: 40px;
    display: inline-flex;
    flex: 0 0 auto;
    justify-content: center;
    padding-inline: 11px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.72);
    font-size: 0.78rem;
  }

  .language-switch {
    grid-column: 3;
    grid-row: 1;
  }

  .language-switch button {
    min-width: 36px;
    padding-inline: 6px;
  }

  .hero {
    padding: 46px 0 58px;
  }

  .hero-grid {
    gap: 38px;
  }

  .eyebrow {
    max-width: 100%;
    letter-spacing: 0.09em;
  }

  .hero h1,
  html[lang="zh"] .hero h1 {
    max-width: 100%;
    margin-bottom: 20px;
    font-size: clamp(2.75rem, 13vw, 3.65rem);
    overflow-wrap: anywhere;
  }

  .hero-lead {
    margin-bottom: 24px;
    font-size: 1rem;
  }

  .hero-actions {
    align-items: stretch;
  }

  .hero-actions .button {
    flex: 1 1 180px;
  }

  .hero-facts {
    display: grid;
    gap: 8px;
    margin-top: 22px;
  }

  .app-window-hero {
    transform: none;
  }

  .window-bar,
  .query-heading {
    align-items: flex-start;
  }

  .window-tabs {
    overflow-x: auto;
    scrollbar-width: none;
  }

  .window-tabs::-webkit-scrollbar {
    display: none;
  }

  .query-shell {
    padding: 15px;
  }

  .query-heading {
    display: grid;
  }

  .stage-badge {
    width: fit-content;
    white-space: normal;
  }

  .source-row em {
    margin-left: 0;
  }

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

  .result-source {
    grid-column: 2;
  }

  .hero-orbit {
    display: none;
  }

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

  .signal-grid > div {
    padding: 17px 10px;
  }

  .signal-grid > div:nth-child(2),
  .signal-grid > div:nth-child(4) {
    border-left: 1px solid var(--line);
  }

  .signal-grid > div:nth-child(3),
  .signal-grid > div:nth-child(4) {
    border-top: 1px solid var(--line);
  }

  .section {
    padding-block: 58px;
  }

  .section-heading {
    margin-bottom: 34px;
  }

  .section-heading h2,
  .boundary-copy h2,
  .mcp-grid h2,
  .download-panel h2 {
    font-size: clamp(2.1rem, 11vw, 3rem);
    overflow-wrap: anywhere;
  }

  .feature-row {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 12px 16px;
    min-height: 0;
    padding: 22px 0;
  }

  .feature-copy h3 {
    font-size: 1.16rem;
  }

  .mini-pipeline,
  .tool-pills,
  .feature-signal {
    grid-column: 2;
    justify-content: flex-start;
  }

  .workflow-visual {
    margin-bottom: 34px;
  }

  .workflow-visual img {
    border-radius: 12px;
  }

  .workflow-visual figcaption {
    margin-top: 10px;
    font-size: 0.76rem;
    text-align: left;
  }

  .workflow-grid {
    grid-template-columns: 1fr;
    gap: 0;
    margin-left: 6px;
    padding-left: 25px;
    border-top: 0;
    border-left: 1px solid #9eb9c3;
  }

  .workflow-grid li {
    padding: 0 0 34px 0;
  }

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

  .workflow-grid li::before {
    left: -31px;
    top: 5px;
  }

  .boundary-list > div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .terminal-line {
    grid-template-columns: auto 1fr;
  }

  .terminal-line strong {
    grid-column: 2;
  }

  .real-interface {
    margin-bottom: 18px;
    border-radius: var(--radius-md);
  }

  .real-interface-copy {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 18px;
  }

  .live-interface-stage {
    padding: 12px;
  }

  .live-interface-gallery {
    gap: 24px;
  }

  .live-example-heading {
    margin: 4px 2px 10px;
  }

  .live-example-heading > span {
    min-width: 30px;
    height: 30px;
  }

  .live-example-heading h4 {
    font-size: 0.92rem;
  }

  .live-interface-window {
    border-radius: 12px;
  }

  .live-interface-window .window-bar {
    min-height: 56px;
    padding: 11px 12px;
  }

  .live-interface-tabs {
    gap: 2px;
  }

  .live-interface-panel {
    min-height: 0;
    padding: 15px;
  }

  .live-panel-heading {
    display: grid;
    gap: 10px;
  }

  .live-query-field {
    grid-template-columns: 1fr auto;
  }

  .live-query-field > span {
    grid-column: 1 / -1;
  }

  .live-query-field > b,
  .live-query-field > em {
    min-height: 44px;
  }

  .live-query-options {
    align-items: flex-start;
  }

  .live-query-options .live-query-sources {
    flex: 1 0 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .live-stage-track {
    grid-template-columns: repeat(5, minmax(58px, 1fr));
    overflow-x: auto;
    margin: 26px -15px 0;
    padding: 0 15px 8px;
  }

  .live-results-heading {
    align-items: flex-start;
  }

  .live-filter-pills {
    justify-content: flex-start;
  }

  .live-results-row {
    grid-template-columns: 28px minmax(0, 1fr) 48px;
    gap: 8px;
    padding: 10px;
  }

  .live-results-row > :nth-child(3) {
    display: none;
  }

  .live-results-header {
    min-height: 36px;
  }

  .live-snippet {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 13px;
  }

  .mobile-swipe-hint {
    display: block;
    margin: 0 0 12px;
    color: var(--muted);
    font-size: 0.8rem;
  }

  .interface-grid {
    grid-template-columns: unset;
    grid-auto-flow: column;
    grid-auto-columns: min(86vw, 340px);
    align-items: stretch;
    gap: 12px;
    overflow-x: auto;
    margin-inline: -14px;
    padding: 0 14px 12px;
    scroll-padding-inline: 14px;
    scroll-snap-type: x mandatory;
    overscroll-behavior-inline: contain;
    scrollbar-width: thin;
  }

  .interface-card {
    min-height: 318px;
    padding: 18px;
    scroll-snap-align: start;
  }

  .interface-card-heading {
    display: grid;
  }

  .interface-card-wide {
    grid-column: auto;
  }

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

  .demo-results > b {
    grid-column: 2;
  }

  .status-stack > div,
  .format-stack > div {
    grid-template-columns: auto 1fr;
  }

  .status-stack b,
  .format-stack b {
    grid-column: 2;
  }

  .download-section {
    padding-bottom: 58px;
  }

  .download-panel {
    padding: 28px 22px;
  }

  .download-actions {
    align-items: stretch;
  }

  .download-actions .button,
  .download-actions .text-link {
    width: 100%;
    justify-content: center;
  }

  .footer-inner {
    min-height: 0;
    flex-direction: column;
    align-items: flex-start;
    padding-block: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}