:root {
  --navy: #071b33;
  --navy-2: #0d2b4e;
  --ink: #14263d;
  --muted: #637187;
  --soft: #f4f7fb;
  --soft-blue: #edf5ff;
  --line: #dce5ef;
  --blue: #0868d7;
  --blue-dark: #0356b8;
  --cyan: #079e9a;
  --cyan-soft: #e8f7f5;
  --yellow: #ffc928;
  --red: #d94040;
  --red-soft: #fff0ee;
  --white: #ffffff;
  --shadow-sm: 0 8px 24px rgba(18, 45, 76, 0.08);
  --shadow-lg: 0 24px 70px rgba(18, 45, 76, 0.16);
  --shell: 1280px;
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--white);
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--white);
  color: var(--ink);
  line-height: 1.65;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.dialog-open {
  overflow: hidden;
}

button,
input,
select,
textarea {
  color: inherit;
  font: inherit;
  letter-spacing: 0;
}

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

button {
  border: 0;
}

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

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

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

h1,
h2,
h3,
strong,
b {
  font-weight: 700;
}

[hidden] {
  display: none !important;
}

:focus-visible {
  outline: 3px solid rgba(8, 104, 215, 0.38);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 500;
  padding: 10px 16px;
  border-radius: 4px;
  background: var(--navy);
  color: var(--white);
  transition: top 180ms ease;
}

.skip-link:focus {
  top: 12px;
}

.page-shell {
  width: min(calc(100% - 64px), var(--shell));
  margin: 0 auto;
}

.mobile-site {
  display: none;
}

.desktop-site {
  display: block;
  overflow: clip;
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--blue);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
}

.eyebrow-light {
  color: #7fe0dc;
}

.section-heading h2 {
  margin-bottom: 16px;
  color: var(--navy);
  font-size: 42px;
  line-height: 1.22;
}

.section-heading > p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 17px;
}

.split-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.72fr);
  align-items: end;
  gap: 80px;
  margin-bottom: 52px;
}

.split-heading h2 {
  margin-bottom: 0;
}

.split-heading > p {
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 17px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 5px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--blue);
  box-shadow: 0 10px 28px rgba(8, 104, 215, 0.24);
  color: var(--white);
}

.button-primary:hover {
  background: var(--blue-dark);
  box-shadow: 0 13px 32px rgba(8, 104, 215, 0.3);
}

.button-quiet {
  border-color: rgba(20, 38, 61, 0.2);
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
}

.button-quiet:hover {
  border-color: var(--blue);
  background: var(--white);
  color: var(--blue);
}

.button-light {
  background: var(--white);
  color: var(--navy);
}

.button-light:hover {
  background: #edf7ff;
}

.button-small {
  min-height: 40px;
  padding: 0 18px;
  font-size: 14px;
}

.button-large {
  min-height: 58px;
  padding: 0 28px;
  font-size: 17px;
}

/* Desktop header */
.desktop-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: 76px;
  border-bottom: 1px solid transparent;
  background: rgba(255, 255, 255, 0.08);
  transition: height 220ms ease, background 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.desktop-header.is-scrolled {
  height: 66px;
  border-color: rgba(209, 220, 232, 0.9);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 8px 30px rgba(15, 37, 65, 0.08);
  backdrop-filter: blur(16px);
}

.header-inner {
  width: min(calc(100% - 48px), 1440px);
  height: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 310px minmax(480px, 1fr) 310px;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  width: max-content;
  align-items: center;
  gap: 10px;
  color: var(--navy);
}

.brand-mark {
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  overflow: hidden;
  border: 1px solid rgba(8, 104, 215, 0.16);
  border-radius: 8px;
  background: var(--white);
}

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

.brand-name {
  font-size: 23px;
  font-weight: 700;
  line-height: 1;
}

.brand-category {
  margin-left: 2px;
  padding-left: 12px;
  border-left: 1px solid rgba(20, 38, 61, 0.2);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.2;
}

.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 34px;
}

.desktop-nav a {
  position: relative;
  padding: 25px 0 23px;
  color: #425269;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  transition: color 180ms ease;
}

.desktop-header.is-scrolled .desktop-nav a {
  padding-top: 20px;
  padding-bottom: 18px;
}

.desktop-nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 15px;
  width: 0;
  height: 2px;
  background: var(--blue);
  transform: translateX(-50%);
  transition: width 180ms ease;
}

.desktop-header.is-scrolled .desktop-nav a::after {
  bottom: 10px;
}

.desktop-nav a:hover,
.desktop-nav a.is-active {
  color: var(--blue);
}

.desktop-nav a.is-active::after {
  width: 22px;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

.phone-reveal {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  color: var(--navy);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.phone-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
}

/* Hero */
.desktop-hero {
  position: relative;
  height: 92svh;
  min-height: 720px;
  max-height: 940px;
  overflow: hidden;
  background: #eef3f8;
}

.hero-background {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-wash {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.08);
}

.hero-inner {
  position: relative;
  z-index: 2;
  height: 100%;
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(500px, 0.84fr);
  align-items: center;
  gap: 88px;
  padding-top: 76px;
  padding-bottom: 102px;
}

.hero-copy {
  align-self: center;
  max-width: 680px;
}

.hero-copy h1 {
  max-width: 670px;
  margin-bottom: 18px;
  color: var(--navy);
  font-size: 54px;
  line-height: 1.12;
}

.hero-copy h1 span {
  color: var(--blue);
}

.hero-statement {
  margin-bottom: 14px;
  color: var(--navy);
  font-size: 30px;
  font-weight: 700;
  line-height: 1.35;
}

.hero-description {
  max-width: 590px;
  margin-bottom: 30px;
  color: #4d6078;
  font-size: 18px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 30px;
}

.hero-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-checks li {
  position: relative;
  padding-left: 18px;
  color: #41536b;
  font-size: 14px;
  font-weight: 700;
}

.hero-checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
}

.hero-console {
  align-self: center;
  width: 100%;
  max-width: 540px;
  justify-self: end;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(7, 27, 51, 0.94);
  box-shadow: var(--shadow-lg);
  color: var(--white);
  backdrop-filter: blur(10px);
}

.console-header {
  display: flex;
  min-height: 86px;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.console-header > div {
  display: grid;
  gap: 2px;
}

.console-kicker {
  color: #79dcd7;
  font-size: 11px;
  font-weight: 700;
}

.console-header strong {
  font-size: 20px;
}

.status-dot {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #b9c9d9;
  font-size: 12px;
}

.status-dot i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #36c8a0;
  box-shadow: 0 0 0 5px rgba(54, 200, 160, 0.13);
}

.console-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.console-metrics > div {
  display: grid;
  min-width: 0;
  padding: 20px 22px;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.console-metrics > div:last-child {
  border-right: 0;
}

.console-metrics span {
  color: #9fb1c4;
  font-size: 11px;
}

.console-metrics strong {
  margin: 2px 0 0;
  font-size: 22px;
  line-height: 1.25;
  white-space: nowrap;
}

.console-metrics small {
  color: #6f849b;
  font-size: 10px;
}

.console-metrics .warning-text {
  color: #ffcf65;
}

.console-flow {
  padding: 22px 24px 18px;
}

.flow-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 12px;
}

.flow-title span {
  color: #afc0d2;
}

.flow-title b {
  color: #71ddd5;
}

.progress-track {
  height: 5px;
  margin-bottom: 18px;
  overflow: hidden;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.12);
}

.progress-track span {
  display: block;
  width: 86%;
  height: 100%;
  background: #34bdb6;
}

.console-flow ol {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.console-flow li {
  display: grid;
  grid-template-columns: 30px 1fr auto;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  padding: 0 11px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.035);
  color: #8398ae;
  font-size: 12px;
}

.console-flow li b {
  color: #6f8398;
  font-size: 10px;
}

.console-flow li em {
  color: #6f8499;
  font-size: 10px;
  font-style: normal;
}

.console-flow li.done {
  color: #d8e5f0;
}

.console-flow li.done em {
  color: #6fd5ba;
}

.console-flow li.active {
  border-color: rgba(52, 189, 182, 0.45);
  background: rgba(52, 189, 182, 0.09);
  color: var(--white);
}

.console-flow li.active b,
.console-flow li.active em {
  color: #79dcd7;
}

.demo-note {
  margin: 0 24px 18px;
  color: #6c8197;
  font-size: 10px;
  text-align: right;
}

.hero-proof {
  position: absolute;
  inset: auto 0 0;
  z-index: 3;
  border-top: 1px solid rgba(20, 38, 61, 0.12);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
}

.proof-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  min-height: 74px;
  align-items: center;
}

.proof-inner span {
  display: flex;
  min-height: 32px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-right: 1px solid var(--line);
  color: #52647a;
  font-size: 13px;
}

.proof-inner span:first-child {
  justify-content: flex-start;
}

.proof-inner span:last-child {
  justify-content: flex-end;
  border-right: 0;
}

.proof-inner b {
  color: var(--navy);
  font-size: 19px;
}

/* Questions */
.question-section {
  padding: 110px 0 120px;
  background: var(--white);
}

.question-heading {
  max-width: 760px;
  margin: 0 auto 52px;
  text-align: center;
}

.question-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.question-grid article {
  min-width: 0;
  min-height: 230px;
  padding: 32px 24px;
  border-right: 1px solid var(--line);
  background: var(--white);
  transition: background 180ms ease, transform 180ms ease;
}

.question-grid article:last-child {
  border-right: 0;
}

.question-grid article:hover {
  transform: translateY(-4px);
  background: var(--soft);
}

.question-grid article > span {
  display: block;
  margin-bottom: 46px;
  color: #9aa8b8;
  font-size: 13px;
  font-weight: 700;
}

.question-grid h3 {
  margin-bottom: 10px;
  color: var(--navy);
  font-size: 20px;
  line-height: 1.35;
}

.question-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.question-grid .question-focus {
  position: relative;
  margin: -12px 0;
  min-height: 254px;
  padding-top: 44px;
  border: 1px solid #38aaa5;
  background: var(--cyan-soft);
  box-shadow: var(--shadow-sm);
}

.question-grid .question-focus > span,
.question-grid .question-focus h3 {
  color: #087d79;
}

.question-grid .question-focus::after {
  content: "利润底线";
  position: absolute;
  right: 20px;
  top: 18px;
  color: #087d79;
  font-size: 11px;
  font-weight: 700;
}

/* Engine */
.engine-section {
  padding: 112px 0 118px;
  background: var(--soft);
}

.engine-map {
  position: relative;
  display: grid;
  grid-template-columns: minmax(250px, 0.78fr) minmax(450px, 1.35fr) minmax(250px, 0.78fr);
  align-items: stretch;
  gap: 42px;
}

.engine-map::before,
.engine-map::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 42px;
  height: 1px;
  background: #9eb6cd;
}

.engine-map::before {
  left: calc(25% - 8px);
}

.engine-map::after {
  right: calc(25% - 8px);
}

.map-label {
  display: block;
  margin-bottom: 14px;
  color: #78899d;
  font-size: 12px;
  font-weight: 700;
}

.engine-sources,
.engine-outputs {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.source-list,
.output-list {
  display: grid;
  gap: 10px;
}

.source-list span,
.output-list span {
  display: grid;
  grid-template-columns: 58px 1fr;
  min-height: 60px;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--white);
  color: #5d6d80;
  font-size: 12px;
}

.source-list b,
.output-list b {
  color: var(--navy);
  font-size: 13px;
}

.output-list span {
  grid-template-columns: 76px 1fr;
}

.engine-core {
  position: relative;
  overflow: hidden;
  border: 1px solid #153b61;
  border-radius: 7px;
  background: var(--navy);
  box-shadow: 0 22px 54px rgba(7, 27, 51, 0.22);
  color: var(--white);
}

.engine-core::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: var(--yellow);
}

.engine-core-top {
  display: grid;
  justify-items: center;
  padding: 34px 28px 24px;
  text-align: center;
}

.engine-badge {
  margin-bottom: 12px;
  padding: 3px 9px;
  border: 1px solid rgba(121, 220, 215, 0.45);
  border-radius: 3px;
  color: #79dcd7;
  font-size: 10px;
  font-weight: 700;
}

.engine-core-top strong {
  margin-bottom: 5px;
  font-size: 25px;
}

.engine-core-top small {
  color: #91a5bb;
  font-size: 12px;
}

.engine-core-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-left: 1px solid rgba(255, 255, 255, 0.12);
}

.engine-core-grid span {
  display: flex;
  min-height: 55px;
  align-items: center;
  justify-content: center;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  color: #c5d3e1;
  font-size: 12px;
}

.engine-pulse {
  display: grid;
  grid-template-columns: 8px 1fr auto;
  align-items: center;
  gap: 10px;
  margin: 24px 28px 28px;
  padding: 12px 14px;
  border-radius: 4px;
  background: rgba(52, 189, 182, 0.1);
  color: #b9cbdc;
  font-size: 11px;
}

.engine-pulse i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #4cd3c8;
}

.engine-pulse b {
  color: #7fe0dc;
}

.engine-cycle {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin: 50px 0 0;
  padding: 0;
  border-top: 1px solid #cbd7e4;
  list-style: none;
}

.engine-cycle li {
  position: relative;
  padding: 28px 24px 0 0;
}

.engine-cycle li::before {
  content: "";
  position: absolute;
  left: 0;
  top: -5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 5px var(--soft);
}

.engine-cycle li b {
  display: block;
  margin-bottom: 3px;
  color: var(--blue);
  font-size: 11px;
}

.engine-cycle li span {
  color: var(--navy);
  font-size: 17px;
  font-weight: 700;
}

.engine-cycle li p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
}

/* Product preview */
.results-section {
  padding: 112px 0 118px;
  background: var(--white);
}

.product-preview {
  display: grid;
  grid-template-columns: 262px minmax(0, 1fr);
  min-height: 542px;
  overflow: hidden;
  border: 1px solid #cad8e6;
  border-radius: 8px;
  background: #f8fafc;
  box-shadow: var(--shadow-lg);
}

.preview-sidebar {
  padding: 22px 16px;
  border-right: 1px solid #d7e1eb;
  background: #f0f4f8;
}

.preview-tab {
  display: grid;
  width: 100%;
  grid-template-columns: 34px 1fr;
  grid-template-rows: auto auto;
  gap: 2px 10px;
  min-height: 92px;
  margin-bottom: 8px;
  padding: 16px;
  border: 1px solid transparent;
  border-radius: 5px;
  background: transparent;
  cursor: pointer;
  text-align: left;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease;
}

.preview-tab > span {
  grid-row: 1 / 3;
  color: #92a1b2;
  font-size: 11px;
  font-weight: 700;
}

.preview-tab b {
  color: #33475f;
  font-size: 16px;
}

.preview-tab small {
  color: #8593a5;
  font-size: 11px;
}

.preview-tab:hover {
  background: #e9eff5;
}

.preview-tab.is-active {
  border-color: #b9d3ef;
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.preview-tab.is-active > span,
.preview-tab.is-active b {
  color: var(--blue);
}

.preview-stage {
  min-width: 0;
  padding: 32px 36px;
  background: var(--white);
}

.preview-panel {
  min-height: 476px;
}

.preview-topline {
  display: flex;
  min-height: 72px;
  align-items: flex-start;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.preview-topline > div:first-child {
  display: grid;
  gap: 6px;
}

.preview-topline h3 {
  margin: 0;
  color: var(--navy);
  font-size: 22px;
}

.live-chip {
  width: max-content;
  color: var(--cyan);
  font-size: 10px;
  font-weight: 700;
}

.preview-total {
  display: grid;
  justify-items: end;
}

.preview-total span {
  color: var(--muted);
  font-size: 11px;
}

.preview-total strong {
  color: var(--cyan);
  font-size: 25px;
}

.preview-total.warning strong {
  color: var(--red);
}

.data-table {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 5px;
}

.data-row {
  display: grid;
  grid-template-columns: 1.65fr 0.85fr 0.85fr 0.9fr 0.65fr;
  min-height: 72px;
  align-items: center;
  border-bottom: 1px solid var(--line);
}

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

.data-row > span {
  min-width: 0;
  padding: 0 14px;
  color: #2b3f57;
  font-size: 13px;
}

.data-row > span:first-child {
  display: grid;
}

.data-row small {
  color: #8997a8;
  font-size: 10px;
}

.data-head {
  min-height: 42px;
  background: #f4f7fa;
}

.data-head > span {
  color: #78889a;
  font-size: 11px;
}

.data-row .positive {
  color: var(--cyan);
  font-weight: 700;
}

.data-row .negative {
  color: var(--red);
  font-weight: 700;
}

.data-alert {
  background: #fff9f7;
}

.state-good,
.state-bad {
  display: inline-flex;
  min-width: 44px;
  min-height: 24px;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
  font-size: 10px;
  font-style: normal;
  font-weight: 700;
}

.state-good {
  background: var(--cyan-soft);
  color: #087d79;
}

.state-bad {
  background: var(--red-soft);
  color: var(--red);
}

.preview-insight {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 14px;
  margin-top: 18px;
  padding: 15px 18px;
  border-left: 3px solid var(--yellow);
  background: #fffaf0;
  color: #56667a;
  font-size: 12px;
}

.preview-insight b {
  color: var(--navy);
}

.reconcile-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 24px;
  border: 1px solid var(--line);
  border-radius: 5px;
}

.reconcile-summary > div {
  display: grid;
  padding: 18px;
  border-right: 1px solid var(--line);
}

.reconcile-summary > div:last-child {
  border-right: 0;
}

.reconcile-summary span {
  color: var(--muted);
  font-size: 11px;
}

.reconcile-summary strong {
  color: var(--navy);
  font-size: 19px;
}

.difference-list {
  display: grid;
  gap: 16px;
  padding: 23px 20px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #fbfcfe;
}

.difference-list > div {
  display: grid;
  grid-template-columns: 110px 1fr 88px;
  align-items: center;
  gap: 18px;
  color: #526479;
  font-size: 12px;
}

.difference-list i {
  position: relative;
  display: block;
  height: 7px;
  overflow: hidden;
  border-radius: 2px;
  background: #e7edf3;
}

.difference-list i::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--bar);
  background: #e2a83b;
}

.difference-list b {
  color: var(--red);
  text-align: right;
}

.preview-footnote {
  margin: 18px 0 0;
  color: #8795a5;
  font-size: 11px;
}

.trace-context {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 26px;
  padding: 15px 18px;
  border: 1px solid #cce2f7;
  border-radius: 4px;
  background: var(--soft-blue);
  color: #35506d;
  font-size: 12px;
}

.trace-context b {
  color: var(--blue);
}

.trace-timeline {
  position: relative;
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.trace-timeline::before {
  content: "";
  position: absolute;
  left: 89px;
  top: 18px;
  bottom: 18px;
  width: 1px;
  background: #cfdbe7;
}

.trace-timeline li {
  position: relative;
  display: grid;
  grid-template-columns: 72px 1fr 92px;
  align-items: center;
  gap: 28px;
  min-height: 78px;
  padding: 12px 15px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--white);
}

.trace-timeline li::before {
  content: "";
  position: absolute;
  left: 84px;
  top: 33px;
  z-index: 1;
  width: 9px;
  height: 9px;
  border: 3px solid var(--white);
  border-radius: 50%;
  background: #8aa1b6;
  box-shadow: 0 0 0 1px #b9c8d6;
}

.trace-timeline time {
  color: #7e8fa1;
  font-size: 10px;
}

.trace-timeline div {
  display: grid;
  gap: 3px;
}

.trace-timeline div b {
  color: var(--navy);
  font-size: 13px;
}

.trace-timeline p {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
}

.trace-timeline li > span {
  color: #8291a2;
  font-size: 10px;
  text-align: right;
}

.trace-timeline li.current {
  border-color: #72c8c4;
  background: #f3fbfa;
}

.trace-timeline li.current::before {
  background: var(--cyan);
}

.preview-disclaimer {
  margin: 18px 0 0;
  color: #8b98a7;
  font-size: 11px;
  text-align: right;
}

/* Planning and decision tools */
.planning-section {
  padding: 112px 0 120px;
  background: #eef4f6;
}

.decision-stack {
  display: grid;
  gap: 28px;
}

.budget-module,
.express-module {
  overflow: hidden;
  border: 1px solid #c9d8e1;
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.module-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 28px;
  padding: 28px 32px 24px;
  border-bottom: 1px solid var(--line);
}

.module-heading > div {
  max-width: 760px;
}

.module-heading span {
  color: var(--blue);
  font-size: 11px;
  font-weight: 700;
}

.module-heading h3 {
  margin: 5px 0 7px;
  color: var(--navy);
  font-size: 24px;
  line-height: 1.35;
}

.module-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.module-heading > em {
  flex: 0 0 auto;
  padding: 4px 9px;
  border: 1px solid #cbd8e3;
  border-radius: 3px;
  color: #77889a;
  font-size: 10px;
  font-style: normal;
  font-weight: 700;
}

.budget-layout {
  display: grid;
  grid-template-columns: 390px minmax(0, 1fr);
}

.budget-controls {
  padding: 28px 32px;
  border-right: 1px solid var(--line);
  background: #f8fafc;
}

.budget-controls label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 5px;
  color: #526478;
  font-size: 12px;
}

.budget-controls label output {
  color: var(--navy);
  font-weight: 700;
}

.budget-controls input[type="range"],
.mobile-budget input[type="range"] {
  width: 100%;
  height: 4px;
  margin: 0 0 24px;
  cursor: pointer;
  accent-color: var(--blue);
}

.budget-unit-cost {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 2px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.budget-unit-cost span {
  display: grid;
  gap: 2px;
  color: #8492a3;
  font-size: 10px;
}

.budget-unit-cost b {
  color: var(--navy);
  font-size: 15px;
}

.budget-results {
  display: grid;
  align-content: center;
  gap: 16px;
  padding: 28px 32px;
}

.budget-period {
  display: grid;
  grid-template-columns: 140px 1fr;
  align-items: stretch;
  border: 1px solid var(--line);
  border-radius: 5px;
}

.period-title {
  display: grid;
  align-content: center;
  padding: 18px;
  border-right: 1px solid var(--line);
  background: #f7f9fb;
}

.period-title span {
  color: var(--navy);
  font-size: 14px;
  font-weight: 700;
}

.period-title small {
  color: #8997a7;
  font-size: 9px;
}

.period-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.period-metrics > span {
  display: grid;
  min-width: 0;
  align-content: center;
  padding: 16px 18px;
  border-right: 1px solid var(--line);
}

.period-metrics > span:last-child {
  border-right: 0;
}

.period-metrics em {
  color: #8492a3;
  font-size: 10px;
  font-style: normal;
}

.period-metrics strong {
  overflow: hidden;
  color: var(--navy);
  font-size: 18px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.period-metrics .profit strong {
  color: var(--cyan);
}

.budget-period.annual {
  border-color: #bfd7d5;
}

.budget-period.annual .period-title {
  background: #eff8f7;
}

.budget-margin {
  display: grid;
  grid-template-columns: 92px 1fr 58px;
  align-items: center;
  gap: 14px;
  padding: 0 2px;
  color: #607286;
  font-size: 11px;
}

.budget-margin > div {
  height: 7px;
  overflow: hidden;
  border-radius: 2px;
  background: #e3eaf0;
}

.budget-margin i {
  display: block;
  width: 27.1%;
  height: 100%;
  background: var(--cyan);
  transition: width 180ms ease;
}

.budget-margin strong {
  color: var(--cyan);
  font-size: 14px;
  text-align: right;
}

.express-layout {
  padding: 26px 32px 30px;
}

.express-filters {
  display: grid;
  grid-template-columns: 190px 150px minmax(320px, 1fr);
  align-items: end;
  gap: 16px;
  margin-bottom: 22px;
}

.express-filters label,
.price-mode {
  display: grid;
  gap: 7px;
}

.express-filters label > span,
.price-mode > span {
  color: #738397;
  font-size: 10px;
  font-weight: 700;
}

.express-filters select,
.mobile-express-filters select {
  width: 100%;
  height: 42px;
  padding: 0 34px 0 12px;
  border: 1px solid #ccd8e3;
  border-radius: 4px;
  background: var(--white);
  color: var(--navy);
  font-size: 12px;
}

.price-mode > div {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  width: 100%;
  max-width: 330px;
  height: 42px;
  padding: 3px;
  border: 1px solid #ccd8e3;
  border-radius: 5px;
  background: #f2f5f8;
}

.price-mode button {
  border-radius: 3px;
  background: transparent;
  cursor: pointer;
  color: #64768a;
  font-size: 11px;
  font-weight: 700;
}

.price-mode button.is-active {
  background: var(--white);
  box-shadow: 0 2px 8px rgba(20, 45, 74, 0.1);
  color: var(--blue);
}

.express-summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 18px;
}

.express-summary > div {
  display: grid;
  grid-template-columns: 130px 1fr auto;
  align-items: center;
  min-height: 76px;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #f8fafc;
}

.express-summary > div > span {
  color: #76879a;
  font-size: 11px;
}

.express-summary strong {
  color: var(--navy);
  font-size: 18px;
}

.express-summary small {
  color: #7c8b9c;
  font-size: 10px;
}

.express-summary small b {
  display: block;
  color: var(--navy);
  font-size: 16px;
  text-align: right;
}

.express-summary .best-margin {
  border-color: #aad6d3;
  background: #f1faf9;
}

.express-summary .best-margin strong,
.express-summary .best-margin small b {
  color: #087d79;
}

.express-table {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 5px;
}

.express-row {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr 0.85fr 0.85fr 0.8fr;
  min-height: 58px;
  align-items: center;
  border-bottom: 1px solid var(--line);
}

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

.express-row > span {
  min-width: 0;
  padding: 0 15px;
  color: #53657a;
  font-size: 12px;
}

.express-row > span:first-child {
  color: var(--navy);
  font-weight: 700;
}

.express-row .row-margin {
  color: var(--cyan);
  font-weight: 700;
}

.express-row .row-tag {
  display: inline-flex;
  width: max-content;
  min-width: 52px;
  min-height: 24px;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
  background: #eef3f7;
  color: #6c7d8e;
  font-size: 9px;
  font-style: normal;
  font-weight: 700;
}

.express-row .row-tag.best {
  background: var(--cyan-soft);
  color: #087d79;
}

.express-row .row-tag.lowest {
  background: var(--soft-blue);
  color: var(--blue);
}

.express-head {
  min-height: 38px;
  background: #f3f6f9;
}

.express-head > span {
  color: #7f8e9f;
  font-size: 10px;
  font-weight: 400;
}

.model-note {
  margin: 12px 0 0;
  color: #8996a5;
  font-size: 10px;
}

/* Capabilities */
.capabilities-section {
  padding: 112px 0 122px;
  background: var(--soft);
}

.capabilities-heading {
  max-width: 780px;
  margin-bottom: 52px;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid #cdd9e4;
  border-left: 1px solid #cdd9e4;
}

.capability-grid article {
  min-height: 300px;
  padding: 30px;
  border-right: 1px solid #cdd9e4;
  border-bottom: 1px solid #cdd9e4;
  background: rgba(255, 255, 255, 0.72);
  transition: background 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.capability-grid article:hover {
  position: relative;
  z-index: 2;
  transform: translateY(-4px);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.capability-index {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 48px;
}

.capability-index span {
  color: #99a8b8;
  font-size: 12px;
  font-weight: 700;
}

.capability-index em {
  min-width: 46px;
  padding: 3px 8px;
  border: 1px solid #b8c8d8;
  border-radius: 3px;
  color: #64768a;
  font-size: 10px;
  font-style: normal;
  font-weight: 700;
  text-align: center;
}

.capability-grid h3 {
  margin-bottom: 14px;
  color: var(--navy);
  font-size: 20px;
  line-height: 1.4;
}

.capability-grid p {
  min-height: 68px;
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 14px;
}

.capability-grid article > b {
  color: var(--blue);
  font-size: 12px;
}

/* Integration */
.integration-section {
  position: relative;
  overflow: hidden;
  padding: 116px 0 120px;
  background: var(--navy);
  color: var(--white);
}

.integration-section::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 36%;
  height: 6px;
  background: var(--yellow);
}

.integration-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(560px, 1.18fr);
  align-items: center;
  gap: 90px;
}

.integration-copy h2 {
  max-width: 580px;
  margin-bottom: 22px;
  color: var(--white);
  font-size: 42px;
  line-height: 1.24;
}

.integration-copy > p:not(.eyebrow) {
  max-width: 580px;
  margin-bottom: 30px;
  color: #a9bacb;
  font-size: 16px;
}

.integration-copy ul {
  display: grid;
  gap: 11px;
  margin: 0 0 32px;
  padding: 0;
  list-style: none;
}

.integration-copy li {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 16px;
  color: #a9bbcc;
  font-size: 13px;
}

.integration-copy li b {
  color: #75d7d1;
}

.integration-visual {
  display: grid;
  grid-template-columns: 150px 1fr 126px 126px;
  align-items: center;
  min-height: 430px;
}

.system-stack,
.result-stack {
  display: grid;
  gap: 12px;
}

.system-stack > div,
.result-stack span {
  display: grid;
  min-height: 74px;
  align-content: center;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.17);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.05);
}

.system-stack b {
  color: var(--white);
  font-size: 14px;
}

.system-stack span,
.result-stack span {
  color: #95a9bd;
  font-size: 11px;
}

.api-channel {
  position: relative;
  display: grid;
  align-content: center;
  min-height: 180px;
  justify-items: center;
  color: #7fdad5;
  font-size: 10px;
  font-weight: 700;
}

.api-channel i {
  position: relative;
  width: 100%;
  height: 1px;
  margin: 17px 0;
  background: rgba(127, 218, 213, 0.48);
}

.api-channel i::after {
  content: "";
  position: absolute;
  right: -1px;
  top: -4px;
  width: 0;
  height: 0;
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  border-left: 7px solid #7fdad5;
}

.api-channel small {
  color: #738aa1;
  font-size: 9px;
}

.integration-engine {
  display: grid;
  min-height: 190px;
  align-content: center;
  justify-items: center;
  padding: 20px;
  border: 1px solid rgba(255, 201, 40, 0.62);
  border-radius: 6px;
  background: #102f52;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.2);
}

.integration-engine img {
  width: 52px;
  height: 52px;
  margin-bottom: 9px;
  border-radius: 5px;
  object-fit: cover;
}

.integration-engine b {
  color: var(--white);
  font-size: 17px;
}

.integration-engine span {
  color: #7fdad5;
  font-size: 11px;
}

.result-stack {
  margin-left: 14px;
}

.result-stack span {
  min-height: 54px;
  color: #d4e0eb;
  text-align: center;
}

/* About and CTA */
.about-section {
  padding: 116px 0 120px;
  background: var(--white);
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(600px, 1.1fr);
  align-items: center;
  gap: 100px;
}

.about-copy h2 {
  margin-bottom: 24px;
  color: var(--navy);
  font-size: 42px;
  line-height: 1.25;
}

.about-copy p {
  color: var(--muted);
  font-size: 15px;
}

.about-copy .about-lead {
  color: #354a63;
  font-size: 17px;
}

.about-evidence {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.about-evidence > div {
  display: grid;
  min-height: 240px;
  align-content: center;
  padding: 25px;
  border-right: 1px solid var(--line);
}

.about-evidence > div:last-child {
  border-right: 0;
}

.about-evidence strong {
  margin-bottom: 25px;
  color: var(--blue);
  font-size: 40px;
  line-height: 1;
}

.about-evidence span {
  margin-bottom: 8px;
  color: var(--navy);
  font-size: 14px;
  font-weight: 700;
}

.about-evidence small {
  color: #8695a6;
  font-size: 11px;
}

.demo-section {
  padding: 78px 0;
  background: #0d675f;
  color: var(--white);
}

.demo-layout {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 80px;
}

.demo-layout h2 {
  margin-bottom: 12px;
  color: var(--white);
  font-size: 40px;
  line-height: 1.25;
}

.demo-layout p:not(.eyebrow) {
  margin: 0;
  color: #b9dfdb;
  font-size: 15px;
}

.demo-actions {
  display: grid;
  justify-items: center;
  gap: 9px;
}

.demo-actions span {
  color: #a6d3cf;
  font-size: 11px;
}

.desktop-footer {
  background: #f4f7fa;
  color: var(--ink);
}

.footer-main {
  display: grid;
  grid-template-columns: 1.15fr 0.55fr 1.2fr 124px;
  gap: 64px;
  padding-top: 60px;
  padding-bottom: 52px;
}

.brand-footer {
  margin-bottom: 15px;
}

.footer-brand p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.footer-links {
  display: grid;
  align-content: start;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
}

.footer-links b {
  margin-bottom: 4px;
  color: var(--navy);
  font-size: 13px;
}

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

.footer-phone {
  width: max-content;
  padding: 0;
  background: transparent;
  cursor: pointer;
  color: var(--muted);
  font-size: 12px;
  text-align: left;
}

.footer-qr {
  display: grid;
  justify-items: center;
  gap: 7px;
  padding: 0;
  background: transparent;
  cursor: pointer;
}

.footer-qr img {
  width: 104px;
  height: 104px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--white);
}

.footer-qr span {
  color: var(--muted);
  font-size: 11px;
}

.footer-legal {
  border-top: 1px solid #d8e1ea;
}

.footer-legal .page-shell {
  display: flex;
  min-height: 52px;
  align-items: center;
  gap: 20px;
  color: #788798;
  font-size: 11px;
}

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

/* Dialogs */
dialog {
  padding: 0;
  border: 0;
}

dialog::backdrop {
  background: rgba(7, 20, 38, 0.64);
  backdrop-filter: blur(4px);
}

.contact-dialog {
  width: min(calc(100% - 40px), 720px);
  max-height: calc(100svh - 40px);
  overflow: auto;
  border: 1px solid #d8e2ec;
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 30px 90px rgba(7, 27, 51, 0.32);
  color: var(--ink);
}

.dialog-close {
  position: absolute;
  right: 18px;
  top: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #eef3f7;
  cursor: pointer;
  color: #4d6075;
  font-size: 24px;
  line-height: 1;
}

.dialog-close:hover {
  background: #e3eaf1;
  color: var(--navy);
}

.dialog-heading {
  padding: 36px 40px 26px;
  border-bottom: 1px solid var(--line);
}

.dialog-heading > span {
  color: var(--cyan);
  font-size: 12px;
  font-weight: 700;
}

.dialog-heading h2 {
  margin: 7px 0 8px;
  color: var(--navy);
  font-size: 30px;
  line-height: 1.3;
}

.dialog-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.dialog-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 18px;
  padding: 24px 40px 18px;
}

.dialog-phone,
.dialog-wechat {
  min-height: 200px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--soft);
}

.dialog-phone {
  display: grid;
  align-content: center;
  justify-items: center;
  padding: 22px;
}

.dialog-phone > span {
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 11px;
}

.dialog-phone-number {
  display: grid;
  gap: 4px;
  padding: 0;
  background: transparent;
  cursor: pointer;
  text-align: center;
}

.dialog-phone-number b {
  color: var(--navy);
  font-size: 23px;
}

.dialog-phone-number small {
  color: var(--blue);
  font-size: 10px;
}

.dialog-call {
  margin-top: 14px;
  padding: 8px 16px;
  border-radius: 4px;
  background: var(--blue);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
}

.dialog-wechat {
  display: grid;
  grid-template-columns: 148px 1fr;
  align-items: center;
  gap: 18px;
  padding: 18px;
}

.dialog-wechat img {
  width: 148px;
  height: 148px;
  border: 6px solid var(--white);
  border-radius: 4px;
}

.dialog-wechat div {
  display: grid;
  gap: 6px;
}

.dialog-wechat b {
  color: var(--navy);
  font-size: 16px;
}

.dialog-wechat span {
  color: var(--muted);
  font-size: 12px;
}

.dialog-other {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 18px;
  padding: 0 40px 34px;
}

.dialog-other a,
.dialog-other div {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 10px;
  color: var(--muted);
  font-size: 11px;
}

.dialog-other b {
  color: var(--navy);
}

.mobile-menu-dialog {
  display: none;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  z-index: 500;
  min-width: 180px;
  padding: 10px 16px;
  border-radius: 4px;
  background: var(--navy);
  color: var(--white);
  font-size: 12px;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 12px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (max-width: 1240px) and (min-width: 861px) {
  .header-inner {
    grid-template-columns: 250px minmax(430px, 1fr) 250px;
    gap: 16px;
  }

  .brand-category,
  .phone-label {
    display: none;
  }

  .desktop-nav {
    gap: 22px;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 0.9fr) minmax(430px, 0.8fr);
    gap: 44px;
  }

  .hero-copy h1 {
    font-size: 45px;
  }

  .hero-console {
    max-width: 500px;
  }

  .engine-map {
    grid-template-columns: minmax(210px, 0.72fr) minmax(400px, 1.3fr) minmax(210px, 0.72fr);
    gap: 28px;
  }

  .source-list span,
  .output-list span {
    padding: 0 12px;
  }

  .integration-layout {
    grid-template-columns: minmax(0, 0.72fr) minmax(520px, 1.28fr);
    gap: 48px;
  }

  .about-layout {
    grid-template-columns: minmax(0, 0.8fr) minmax(520px, 1.2fr);
    gap: 60px;
  }

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

  .budget-layout {
    grid-template-columns: 350px minmax(0, 1fr);
  }

  .period-title {
    padding: 14px;
  }

  .period-metrics > span {
    padding: 14px;
  }

  .express-summary > div {
    grid-template-columns: 112px 1fr auto;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

/* Mobile is a separately composed experience. */
@media (max-width: 860px) {
  body {
    background: var(--white);
  }

  .desktop-site,
  .skip-link {
    display: none;
  }

  .mobile-site {
    display: block;
    overflow: clip;
    padding-bottom: calc(68px + env(safe-area-inset-bottom));
  }

  .mobile-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 100;
    display: flex;
    height: 62px;
    align-items: center;
    justify-content: space-between;
    padding: 0 18px;
    border-bottom: 1px solid transparent;
    background: rgba(7, 27, 51, 0.15);
    color: var(--white);
    transition: background 180ms ease, border-color 180ms ease, color 180ms ease;
  }

  .mobile-header.is-scrolled {
    border-color: var(--line);
    background: rgba(255, 255, 255, 0.96);
    color: var(--navy);
    backdrop-filter: blur(14px);
  }

  .mobile-brand {
    display: inline-flex;
    align-items: center;
    gap: 9px;
  }

  .mobile-brand > span {
    width: 36px;
    height: 36px;
    overflow: hidden;
    border-radius: 7px;
    background: var(--white);
  }

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

  .mobile-brand b {
    font-size: 19px;
  }

  .mobile-menu-button {
    display: grid;
    width: 40px;
    height: 40px;
    align-content: center;
    justify-content: center;
    gap: 4px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    cursor: pointer;
  }

  .mobile-header.is-scrolled .mobile-menu-button {
    background: #eef3f7;
  }

  .mobile-menu-button i {
    display: block;
    width: 18px;
    height: 2px;
    border-radius: 1px;
    background: currentColor;
  }

  .mobile-hero {
    position: relative;
    height: 92svh;
    min-height: 660px;
    max-height: 820px;
    overflow: hidden;
    background: var(--navy);
    color: var(--white);
  }

  .mobile-hero > img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 69% center;
  }

  .mobile-hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(7, 27, 51, 0.78);
  }

  .mobile-hero-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 92px 22px 38px;
  }

  .mobile-eyebrow {
    margin-bottom: 12px;
    color: #7fe0dc;
    font-size: 12px;
    font-weight: 700;
  }

  .mobile-eyebrow.dark {
    color: var(--blue);
  }

  .mobile-hero h1 {
    margin-bottom: 18px;
    font-size: 38px;
    line-height: 1.18;
  }

  .mobile-hero h1 span {
    color: var(--yellow);
  }

  .mobile-hero-content > p:not(.mobile-eyebrow) {
    margin-bottom: 24px;
    color: #d2dde8;
    font-size: 16px;
    line-height: 1.75;
  }

  .mobile-primary {
    display: flex;
    width: 100%;
    min-height: 52px;
    align-items: center;
    justify-content: center;
    border-radius: 5px;
    background: #11a6a0;
    cursor: pointer;
    color: var(--white);
    font-size: 16px;
    font-weight: 700;
  }

  .mobile-hero-facts {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    margin-top: 28px;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
  }

  .mobile-hero-facts span {
    display: grid;
    justify-items: center;
    border-right: 1px solid rgba(255, 255, 255, 0.14);
    color: #9fb2c5;
    font-size: 10px;
  }

  .mobile-hero-facts span:last-child {
    border-right: 0;
  }

  .mobile-hero-facts b {
    color: var(--white);
    font-size: 18px;
  }

  .mobile-questions,
  .mobile-engine,
  .mobile-result,
  .mobile-planning,
  .mobile-capabilities,
  .mobile-integration,
  .mobile-about,
  .mobile-demo {
    padding: 72px 22px;
    scroll-margin-top: 62px;
  }

  .mobile-questions h2,
  .mobile-engine h2,
  .mobile-result h2,
  .mobile-planning h2,
  .mobile-capabilities h2,
  .mobile-integration h2,
  .mobile-about h2,
  .mobile-demo h2 {
    margin-bottom: 16px;
    font-size: 30px;
    line-height: 1.28;
  }

  .mobile-section-lead {
    margin-bottom: 28px;
    color: #a7bbce;
    font-size: 14px;
  }

  .mobile-section-lead.dark {
    color: var(--muted);
  }

  .mobile-questions {
    background: var(--white);
  }

  .mobile-question-list {
    display: grid;
    margin-top: 32px;
    border-top: 1px solid var(--line);
  }

  .mobile-question-list > div {
    display: grid;
    grid-template-columns: 32px 1fr;
    grid-template-rows: auto auto;
    gap: 2px 10px;
    min-height: 86px;
    align-content: center;
    border-bottom: 1px solid var(--line);
  }

  .mobile-question-list span {
    grid-row: 1 / 3;
    align-self: center;
    color: #9aa8b8;
    font-size: 11px;
    font-weight: 700;
  }

  .mobile-question-list b {
    color: var(--navy);
    font-size: 17px;
  }

  .mobile-question-list em {
    color: var(--muted);
    font-size: 11px;
    font-style: normal;
  }

  .mobile-question-list .is-focus {
    margin: 0 -22px;
    padding: 0 22px;
    border-bottom: 0;
    background: var(--cyan-soft);
  }

  .mobile-question-list .is-focus span,
  .mobile-question-list .is-focus b {
    color: #087d79;
  }

  .mobile-engine {
    background: var(--navy);
    color: var(--white);
  }

  .mobile-engine-flow {
    margin-top: 30px;
  }

  .mobile-inputs,
  .mobile-outputs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .mobile-inputs span,
  .mobile-outputs span {
    display: flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.05);
    color: #b6c5d4;
    font-size: 11px;
  }

  .mobile-flow-line {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 9px;
    margin: 16px 0;
    color: #6e879f;
    font-size: 10px;
    text-align: center;
  }

  .mobile-flow-line i {
    height: 1px;
    background: rgba(127, 224, 220, 0.28);
  }

  .mobile-engine-core {
    display: grid;
    justify-items: center;
    padding: 27px 20px 20px;
    border: 1px solid rgba(255, 201, 40, 0.56);
    border-radius: 6px;
    background: #102f52;
  }

  .mobile-engine-core > span {
    margin-bottom: 11px;
    padding: 2px 7px;
    border: 1px solid rgba(127, 224, 220, 0.35);
    border-radius: 2px;
    color: #7fe0dc;
    font-size: 9px;
    font-weight: 700;
  }

  .mobile-engine-core img {
    width: 54px;
    height: 54px;
    margin-bottom: 10px;
    border-radius: 5px;
    object-fit: cover;
  }

  .mobile-engine-core b {
    font-size: 19px;
  }

  .mobile-engine-core small {
    margin: 4px 0 20px;
    color: #9fb2c5;
    font-size: 10px;
    text-align: center;
  }

  .mobile-engine-core > div {
    display: grid;
    width: 100%;
    grid-template-columns: 7px 1fr auto;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-radius: 4px;
    background: rgba(52, 189, 182, 0.1);
    color: #b6c7d8;
    font-size: 10px;
  }

  .mobile-engine-core > div i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #4cd3c8;
  }

  .mobile-engine-core > div strong {
    color: #7fe0dc;
  }

  .mobile-outputs {
    grid-template-columns: repeat(3, 1fr);
  }

  .mobile-outputs span {
    display: grid;
    justify-items: center;
    gap: 2px;
    min-height: 58px;
  }

  .mobile-outputs b {
    color: #7fe0dc;
    font-size: 13px;
  }

  .mobile-result {
    background: var(--soft);
  }

  .mobile-margin-board {
    overflow: hidden;
    margin-top: 30px;
    border: 1px solid #cdd9e5;
    border-radius: 6px;
    background: var(--white);
    box-shadow: var(--shadow-sm);
  }

  .mobile-board-head {
    display: flex;
    min-height: 54px;
    align-items: center;
    justify-content: space-between;
    padding: 0 15px;
    border-bottom: 1px solid var(--line);
    color: var(--navy);
    font-size: 12px;
  }

  .mobile-board-head b {
    color: #8c99a8;
    font-size: 9px;
  }

  .mobile-margin-board article {
    display: grid;
    grid-template-columns: 1.35fr 0.8fr 0.8fr 0.85fr;
    align-items: center;
    min-height: 78px;
    padding: 0 14px;
    border-bottom: 1px solid var(--line);
    font-size: 10px;
  }

  .mobile-margin-board article > div {
    display: grid;
  }

  .mobile-margin-board article b {
    color: var(--navy);
    font-size: 12px;
  }

  .mobile-margin-board article small,
  .mobile-margin-board article > span {
    color: #7f8e9f;
    font-size: 9px;
  }

  .mobile-margin-board article strong {
    color: var(--cyan);
    font-size: 11px;
    text-align: right;
  }

  .mobile-margin-board article.loss {
    background: #fff8f6;
  }

  .mobile-margin-board article.loss strong {
    color: var(--red);
  }

  .mobile-margin-board > p {
    margin: 0;
    padding: 13px 15px;
    border-left: 3px solid var(--yellow);
    background: #fffaf0;
    color: #657387;
    font-size: 10px;
  }

  .mobile-margin-board > p b {
    color: var(--navy);
  }

  .mobile-planning {
    background: #eef4f6;
  }

  .mobile-budget,
  .mobile-express {
    margin-top: 28px;
    padding: 20px 16px;
    border: 1px solid #cbd9e2;
    border-radius: 6px;
    background: var(--white);
    box-shadow: var(--shadow-sm);
  }

  .mobile-express {
    margin-top: 16px;
  }

  .mobile-module-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 22px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--line);
  }

  .mobile-module-title span {
    color: var(--blue);
    font-size: 13px;
    font-weight: 700;
  }

  .mobile-module-title b {
    color: #8593a3;
    font-size: 9px;
  }

  .mobile-budget > label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 3px;
    color: #657589;
    font-size: 10px;
  }

  .mobile-budget > label output {
    color: var(--navy);
    font-weight: 700;
  }

  .mobile-budget input[type="range"] {
    margin-bottom: 18px;
  }

  .mobile-budget-results {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    margin-top: 4px;
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
  }

  .mobile-budget-results > div {
    display: grid;
    min-width: 0;
    min-height: 66px;
    align-content: center;
    padding: 8px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .mobile-budget-results span {
    color: #8593a3;
    font-size: 8px;
  }

  .mobile-budget-results b {
    overflow: hidden;
    color: var(--navy);
    font-size: 11px;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .mobile-budget-results .profit b {
    color: var(--cyan);
  }

  .mobile-budget-margin {
    display: grid;
    grid-template-columns: 64px 1fr 42px;
    align-items: center;
    gap: 8px;
    margin-top: 14px;
    color: #708195;
    font-size: 9px;
  }

  .mobile-budget-margin > i {
    display: block;
    height: 5px;
    overflow: hidden;
    border-radius: 2px;
    background: #e2eaf0;
  }

  .mobile-budget-margin em {
    display: block;
    width: 27.1%;
    height: 100%;
    background: var(--cyan);
    transition: width 180ms ease;
  }

  .mobile-budget-margin b {
    color: var(--cyan);
    text-align: right;
  }

  .mobile-unit-line {
    display: block;
    margin-top: 10px;
    color: #8a97a6;
    font-size: 8px;
  }

  .mobile-unit-line b {
    color: #586a7e;
  }

  .mobile-express-filters {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }

  .mobile-express-filters label {
    display: grid;
    gap: 5px;
  }

  .mobile-express-filters label > span,
  .mobile-price-mode > span {
    color: #748497;
    font-size: 9px;
    font-weight: 700;
  }

  .mobile-express-filters select {
    height: 40px;
    font-size: 10px;
  }

  .mobile-price-mode {
    margin-top: 12px;
  }

  .mobile-price-mode > div {
    max-width: none;
  }

  .mobile-express-summary {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin: 16px 0 12px;
  }

  .mobile-express-summary > div {
    display: grid;
    min-height: 84px;
    align-content: center;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 4px;
    background: #f7f9fb;
  }

  .mobile-express-summary > div:last-child {
    border-color: #add7d4;
    background: #f1faf9;
  }

  .mobile-express-summary span {
    color: #7c8b9c;
    font-size: 8px;
  }

  .mobile-express-summary b {
    color: var(--navy);
    font-size: 13px;
  }

  .mobile-express-summary em {
    color: var(--blue);
    font-size: 11px;
    font-style: normal;
    font-weight: 700;
  }

  .mobile-express-summary > div:last-child b,
  .mobile-express-summary > div:last-child em {
    color: #087d79;
  }

  .mobile-express-rows {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 4px;
  }

  .mobile-express-rows .express-row {
    grid-template-columns: 1.15fr 0.8fr 0.8fr 0.75fr;
    min-height: 54px;
  }

  .mobile-express-rows .express-row > span {
    padding: 0 7px;
    font-size: 9px;
  }

  .mobile-express-rows .express-row > span:nth-child(2) {
    display: none;
  }

  .mobile-express-rows .row-tag {
    min-width: 38px;
    min-height: 20px;
    font-size: 7px;
  }

  .mobile-express > p {
    margin: 10px 0 0;
    color: #8996a5;
    font-size: 8px;
  }

  .mobile-capabilities {
    background: var(--white);
  }

  .mobile-capability-list {
    margin-top: 30px;
    border-top: 1px solid var(--line);
  }

  .mobile-capability-list details {
    border-bottom: 1px solid var(--line);
  }

  .mobile-capability-list summary {
    display: grid;
    grid-template-columns: 30px minmax(0, 1fr) auto 22px;
    align-items: center;
    gap: 8px;
    min-height: 76px;
    cursor: pointer;
    list-style: none;
  }

  .mobile-capability-list summary::-webkit-details-marker {
    display: none;
  }

  .mobile-capability-list summary span {
    color: #9aa8b8;
    font-size: 10px;
    font-weight: 700;
  }

  .mobile-capability-list summary b {
    color: var(--navy);
    font-size: 15px;
  }

  .mobile-capability-list summary em {
    color: var(--muted);
    font-size: 10px;
    font-style: normal;
  }

  .mobile-capability-list summary::after {
    content: "+";
    grid-column: 4;
    color: var(--blue);
    font-size: 18px;
    text-align: right;
  }

  .mobile-capability-list details[open] summary::after {
    content: "−";
  }

  .mobile-capability-list details p {
    margin: -6px 0 0;
    padding: 0 38px 22px;
    color: var(--muted);
    font-size: 12px;
  }

  .mobile-integration {
    position: relative;
    background: var(--navy);
    color: var(--white);
  }

  .mobile-integration::after {
    content: "";
    position: absolute;
    inset: auto 0 0 auto;
    width: 42%;
    height: 5px;
    background: var(--yellow);
  }

  .mobile-system-flow {
    display: grid;
    justify-items: center;
    margin-top: 32px;
  }

  .mobile-system-flow > div {
    display: grid;
    width: 100%;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  .mobile-system-flow span {
    display: flex;
    min-height: 52px;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 4px;
    color: #b9c9d7;
    font-size: 11px;
  }

  .mobile-system-flow > i {
    width: 1px;
    height: 28px;
    background: rgba(127, 224, 220, 0.34);
  }

  .mobile-system-flow > b {
    width: 62%;
    padding: 10px;
    border: 1px solid rgba(127, 224, 220, 0.36);
    border-radius: 4px;
    color: #7fe0dc;
    font-size: 11px;
    text-align: center;
  }

  .mobile-system-flow > strong {
    width: 100%;
    padding: 19px 12px;
    border: 1px solid rgba(255, 201, 40, 0.55);
    border-radius: 5px;
    background: #102f52;
    font-size: 16px;
    text-align: center;
  }

  .mobile-about {
    background: var(--white);
  }

  .mobile-about > p:not(.mobile-eyebrow) {
    color: var(--muted);
    font-size: 13px;
  }

  .mobile-about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    margin-top: 28px;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .mobile-about-stats span {
    display: grid;
    justify-items: center;
    min-height: 100px;
    align-content: center;
    border-right: 1px solid var(--line);
    color: var(--muted);
    font-size: 9px;
  }

  .mobile-about-stats span:last-child {
    border-right: 0;
  }

  .mobile-about-stats b {
    color: var(--blue);
    font-size: 18px;
  }

  .mobile-demo {
    background: #0d675f;
    color: var(--white);
  }

  .mobile-demo p:not(.mobile-eyebrow) {
    margin-bottom: 24px;
    color: #b9dfdb;
    font-size: 13px;
  }

  .mobile-demo .mobile-primary {
    background: var(--white);
    color: var(--navy);
  }

  .mobile-footer {
    position: relative;
    padding: 58px 22px calc(38px + env(safe-area-inset-bottom));
    background: #071426;
    color: var(--white);
  }

  .mobile-footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
  }

  .mobile-footer-brand > span {
    width: 44px;
    height: 44px;
    overflow: hidden;
    border-radius: 7px;
    background: var(--white);
  }

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

  .mobile-footer-brand b {
    font-size: 21px;
  }

  .mobile-footer h2 {
    margin-bottom: 30px;
    color: #e2eaf2;
    font-size: 20px;
    line-height: 1.45;
  }

  .mobile-contact-list {
    display: grid;
    margin-bottom: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
  }

  .mobile-contact-list button,
  .mobile-contact-list a,
  .mobile-contact-list > div {
    display: grid;
    grid-template-columns: 42px 1fr auto;
    min-height: 56px;
    align-items: center;
    gap: 9px;
    padding: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    background: transparent;
    color: #a9bacb;
    font-size: 11px;
    text-align: left;
  }

  .mobile-contact-list button {
    cursor: pointer;
  }

  .mobile-contact-list b {
    color: #e2eaf2;
    font-size: 11px;
  }

  .mobile-contact-list em {
    color: #7fe0dc;
    font-size: 9px;
    font-style: normal;
  }

  .mobile-contact-list > div {
    grid-template-columns: 42px 1fr;
  }

  .mobile-qr {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
  }

  .mobile-qr img {
    width: 110px;
    height: 110px;
    padding: 6px;
    border-radius: 5px;
    background: var(--white);
  }

  .mobile-qr span {
    color: #a9bacb;
    font-size: 11px;
  }

  .mobile-legal {
    display: grid;
    gap: 6px;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    color: #778b9e;
    font-size: 10px;
  }

  .mobile-actionbar {
    position: fixed;
    inset: auto 0 0;
    z-index: 90;
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 8px;
    min-height: calc(68px + env(safe-area-inset-bottom));
    align-items: start;
    padding: 9px 12px calc(9px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.97);
    box-shadow: 0 -10px 30px rgba(7, 27, 51, 0.1);
    backdrop-filter: blur(14px);
  }

  .mobile-actionbar a,
  .mobile-actionbar button {
    display: flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 700;
  }

  .mobile-actionbar a {
    border: 1px solid #cdd9e4;
    color: var(--navy);
  }

  .mobile-actionbar button {
    background: var(--blue);
    color: var(--white);
  }

  .contact-dialog {
    width: calc(100% - 24px);
    max-height: calc(100svh - 24px);
  }

  .dialog-close {
    right: 12px;
    top: 12px;
  }

  .dialog-heading {
    padding: 28px 22px 20px;
  }

  .dialog-heading h2 {
    padding-right: 30px;
    font-size: 24px;
  }

  .dialog-heading p {
    font-size: 12px;
  }

  .dialog-contact-grid {
    grid-template-columns: 1fr;
    padding: 18px 22px 14px;
  }

  .dialog-phone {
    min-height: 150px;
  }

  .dialog-wechat {
    min-height: 180px;
    grid-template-columns: 132px 1fr;
  }

  .dialog-wechat img {
    width: 132px;
    height: 132px;
  }

  .dialog-other {
    grid-template-columns: 1fr;
    padding: 0 22px 24px;
  }

  .mobile-menu-dialog {
    position: fixed;
    inset: auto 0 0;
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 22px 20px calc(22px + env(safe-area-inset-bottom));
    border-radius: 8px 8px 0 0;
    background: var(--white);
    color: var(--ink);
  }

  .mobile-menu-dialog[open] {
    display: block;
  }

  .mobile-menu-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
  }

  .mobile-menu-top b {
    color: var(--navy);
    font-size: 18px;
  }

  .mobile-menu-top button {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: #eef3f7;
    cursor: pointer;
    font-size: 24px;
  }

  .mobile-menu-dialog nav {
    display: grid;
    margin-bottom: 18px;
    border-top: 1px solid var(--line);
  }

  .mobile-menu-dialog nav a {
    display: grid;
    grid-template-columns: 38px 1fr;
    min-height: 53px;
    align-items: center;
    border-bottom: 1px solid var(--line);
    color: var(--navy);
    font-size: 14px;
    font-weight: 700;
  }

  .mobile-menu-dialog nav span {
    color: #9ba9b8;
    font-size: 10px;
  }

  .toast {
    bottom: calc(82px + env(safe-area-inset-bottom));
  }
}

@media (max-width: 380px) {
  .mobile-hero h1 {
    font-size: 34px;
  }

  .mobile-questions h2,
  .mobile-engine h2,
  .mobile-result h2,
  .mobile-planning h2,
  .mobile-capabilities h2,
  .mobile-integration h2,
  .mobile-about h2,
  .mobile-demo h2 {
    font-size: 27px;
  }

  .mobile-margin-board article {
    grid-template-columns: 1.25fr 0.72fr 0.72fr 0.78fr;
    padding: 0 10px;
  }

  .dialog-wechat {
    grid-template-columns: 118px 1fr;
  }

  .dialog-wechat img {
    width: 118px;
    height: 118px;
  }
}