:root {
  --bg: #e8edf3;
  --ink: #101b2a;
  --muted: #5f6f83;
  --surface: #ffffff;
  --surface-2: #dfe7f0;
  --surface-3: #cfdbe7;
  --line: rgba(16, 27, 42, 0.14);
  --dark: #0b1420;
  --green: #2d9c68;
  --blue: #1769e0;
  --cyan: #00a9c8;
  --yellow: #f2b84b;
  --orange: #ff7a1a;
  --red: #d84848;
  --shadow: 0 22px 60px rgba(15, 31, 55, 0.18);
  --radius: 8px;
  --container: min(1160px, calc(100vw - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, "Helvetica Neue", sans-serif;
  background:
    linear-gradient(rgba(23, 105, 224, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 105, 224, 0.055) 1px, transparent 1px),
    radial-gradient(circle at 10% 8%, rgba(0, 169, 200, 0.17), transparent 28%),
    radial-gradient(circle at 90% 12%, rgba(255, 122, 26, 0.12), transparent 24%),
    linear-gradient(180deg, #f1f6fb 0%, #e2eaf3 44%, #e8edf3 100%);
  background-size: 32px 32px, 32px 32px, auto, auto, auto;
  color: var(--ink);
  line-height: 1.6;
}

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

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

button,
input,
textarea {
  font: inherit;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 50;
  width: 100%;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 max(20px, calc((100vw - 1160px) / 2));
  color: #fff;
  transition: background 180ms ease, box-shadow 180ms ease, color 180ms ease;
}

.site-header.scrolled {
  background: rgba(11, 20, 32, 0.9);
  color: #fff;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 26px rgba(15, 31, 55, 0.18);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 17px;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 6px;
  object-fit: cover;
  background: #fff;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14px;
  font-weight: 700;
}

.site-nav a {
  opacity: 0.9;
}

.site-nav a:hover {
  opacity: 1;
  color: var(--blue);
}

.nav-cta {
  padding: 9px 14px;
  border-radius: var(--radius);
  background: var(--orange);
  color: #fff;
}

.nav-cta:hover {
  color: #fff !important;
  background: #cc5f1f;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid currentColor;
  border-radius: var(--radius);
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background: var(--dark);
}

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

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8, 18, 32, 0.92), rgba(8, 18, 32, 0.56), rgba(8, 18, 32, 0.04)),
    linear-gradient(0deg, rgba(8, 18, 32, 0.60), transparent 44%);
}

.hero-content {
  position: relative;
  width: var(--container);
  margin: 0 auto;
  padding: 120px 0 72px;
}

.eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(42px, 7vw, 78px);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 690px;
  margin: 24px 0 0;
  color: rgba(238, 247, 244, 0.84);
  font-size: 19px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-weight: 800;
}

.btn.primary {
  background: var(--orange);
  color: #fff;
  box-shadow: 0 14px 34px rgba(239, 126, 50, 0.28);
}

.btn.primary:hover {
  background: #cc5f1f;
}

.btn.secondary {
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
  background: rgba(238, 247, 244, 0.08);
}

.cta-section .btn.secondary {
  border-color: rgba(18, 49, 47, 0.18);
  color: var(--ink);
  background: #fff;
}

.hero-highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 220px));
  gap: 12px;
  margin: 54px 0 0;
}

.hero-highlights article {
  min-height: 88px;
  padding: 14px 15px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-left: 4px solid var(--orange);
  border-radius: var(--radius);
  background: rgba(17, 26, 35, 0.54);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(8px);
}

.hero-highlights strong {
  display: block;
  color: #fff;
  font-size: 15px;
  font-weight: 900;
  line-height: 1.25;
}

.hero-highlights span {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 12px;
}

.section {
  padding: 92px 0;
}

.muted {
  background:
    linear-gradient(180deg, rgba(223, 231, 240, 0.96), rgba(207, 219, 231, 0.88)),
    var(--surface-2);
}

.intro-strip {
  position: relative;
  padding: 58px 0;
  background:
    linear-gradient(rgba(23, 105, 224, 0.052) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 105, 224, 0.052) 1px, transparent 1px),
    radial-gradient(circle at top left, rgba(0, 169, 200, 0.16) 0%, #edf4fb 38%, #ffffff 100%);
  background-size: 28px 28px, 28px 28px, auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.intro-grid,
.split,
.solution-layout,
.benefit-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 54px;
  align-items: center;
}

.intro-copy p {
  margin: 0;
  font-size: 17px;
}

.intro-copy p + p {
  margin-top: 16px;
}

.overview-lead {
  margin: 24px 0 0;
  color: var(--ink);
  font-size: 15px;
  font-weight: 900;
}

.overview-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 16px;
}

.overview-cards article {
  min-height: 112px;
  padding: 18px;
  border: 1px solid var(--line);
  border-top: 4px solid var(--blue);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(245, 248, 252, 0.98));
  box-shadow: 0 8px 24px rgba(15, 31, 55, 0.08);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.overview-cards article:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.10);
  border-color: rgba(31, 111, 191, 0.24);
}

.overview-cards article:nth-child(2) {
  border-top-color: var(--cyan);
}

.overview-cards article:nth-child(3) {
  border-top-color: var(--orange);
}

.overview-cards article:nth-child(4) {
  border-top-color: var(--green);
}

.overview-cards strong {
  display: block;
  color: var(--ink);
  font-size: 18px;
  font-weight: 900;
}

.overview-cards span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.overview-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 14px;
  border-radius: 8px;
  background: rgba(31, 111, 191, 0.10);
  color: var(--blue);
}

.overview-icon svg {
  width: 21px;
  height: 21px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.overview-icon svg circle,
.overview-icon svg rect {
  fill: none;
}

.overview-cards article:nth-child(2) .overview-icon {
  background: rgba(34, 151, 168, 0.10);
  color: var(--cyan);
}

.overview-cards article:nth-child(3) .overview-icon {
  background: rgba(240, 121, 43, 0.12);
  color: var(--orange);
}

.overview-cards article:nth-child(4) .overview-icon {
  background: rgba(45, 156, 104, 0.10);
  color: var(--green);
}

h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.2;
}

p {
  color: var(--muted);
}

.section-copy p,
.section-heading p {
  margin: 20px 0 0;
  font-size: 17px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.issue-list {
  display: grid;
  gap: 14px;
}

.issue-list article,
.feature-card,
.workflow article,
.tech-grid article,
.application-grid article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #ffffff, #f5f8fc);
  box-shadow: 0 8px 28px rgba(15, 31, 55, 0.09);
}

.issue-list article {
  padding: 20px;
  display: grid;
  gap: 6px;
}

.issue-list strong {
  font-size: 18px;
}

.issue-list span {
  color: var(--muted);
}

.solution-media {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--dark);
  border: 1px solid var(--line);
}

.solution-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.pipeline {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.pipeline span {
  position: relative;
  padding: 10px 14px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  font-weight: 900;
}

.feature-grid,
.tech-grid,
.application-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature-card,
.tech-grid article {
  padding: 24px;
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  height: 34px;
  margin-bottom: 18px;
  border-radius: 6px;
  background: rgba(31, 111, 191, 0.12);
  color: var(--blue);
  font-weight: 900;
  font-size: 12px;
}

.feature-card:nth-child(2) .feature-icon,
.feature-card:nth-child(5) .feature-icon {
  background: rgba(240, 121, 43, 0.12);
  color: var(--orange);
}

.feature-card:nth-child(3) .feature-icon,
.feature-card:nth-child(6) .feature-icon {
  background: rgba(34, 151, 168, 0.12);
  color: var(--cyan);
}

.feature-card p,
.workflow p,
.tech-grid p {
  margin: 12px 0 0;
}

.workflow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.workflow-diagram {
  margin: 0 0 26px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #ffffff, #f5f8fc);
  box-shadow: 0 10px 30px rgba(15, 31, 55, 0.08);
}

.workflow-diagram img {
  width: 100%;
  border-radius: 6px;
  background: #fff;
}

.workflow-diagram figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

.workflow article {
  padding: 24px;
}

.workflow span {
  display: block;
  margin-bottom: 18px;
  color: var(--yellow);
  font-weight: 900;
  font-size: 14px;
}

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.tab {
  padding: 12px 16px;
  border: 0;
  border-bottom: 3px solid transparent;
  background: transparent;
  color: var(--muted);
  font-weight: 900;
  cursor: pointer;
}

.tab.active {
  color: var(--blue);
  border-color: var(--orange);
}

.interface-panel {
  display: none;
  grid-template-columns: 1fr 0.85fr;
  gap: 32px;
  align-items: center;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #ffffff, #f5f8fc);
  box-shadow: var(--shadow);
}

.interface-panel.active {
  display: grid;
}

.interface-panel img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 6px;
  background: var(--dark);
}

.interface-panel ul,
.roadmap-list {
  margin: 18px 0 0;
  padding-left: 20px;
  color: var(--muted);
}

.interface-panel li,
.roadmap-list li {
  margin: 8px 0;
}

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

.benefit-grid span {
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #fff;
  font-weight: 800;
}

.application-grid article {
  padding: 20px;
  min-height: 96px;
  display: flex;
  align-items: flex-end;
  font-weight: 900;
}

.tech-grid {
  grid-template-columns: repeat(4, 1fr);
}

.spec-table {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.spec-table div {
  padding: 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.spec-table div:nth-child(3n) {
  border-right: 0;
}

.spec-table span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.spec-table strong {
  display: block;
  margin-top: 4px;
  font-size: 18px;
}

.roadmap {
  background:
    radial-gradient(circle at 80% 20%, rgba(0, 169, 200, 0.12), transparent 28%),
    #f1f6fb;
}

.roadmap-list {
  padding: 0;
  list-style-position: inside;
  font-weight: 700;
}

.cta-section {
  padding: 88px 0;
  background:
    linear-gradient(135deg, rgba(23, 105, 224, 0.16), rgba(255, 122, 26, 0.16)),
    #e6edf5;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.cta-content {
  max-width: 850px;
  text-align: center;
}

.contact-inline {
  margin: 18px 0 0;
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
}

.contact-inline a {
  color: var(--blue);
  border-bottom: 1px solid rgba(23, 105, 224, 0.26);
}

.contact-inline a:hover {
  color: var(--orange);
  border-color: var(--orange);
}

.cta-content .hero-actions {
  justify-content: center;
}

.site-footer {
  padding: 46px 0;
  background: #0b1420;
  color: #fff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: 34px;
}

.footer-brand {
  margin-bottom: 14px;
}

.site-footer p,
.site-footer span {
  color: rgba(255, 255, 255, 0.68);
}

.site-footer nav {
  display: grid;
  gap: 10px;
}

.site-footer nav a:hover {
  color: var(--orange);
}

.footer-contact {
  display: grid;
  gap: 5px;
}

.footer-link {
  display: inline-flex;
  width: fit-content;
  margin-top: 10px;
  color: #fff;
  font-weight: 800;
  border-bottom: 1px solid rgba(255, 255, 255, 0.28);
}

.footer-link:hover {
  color: var(--orange);
  border-color: var(--orange);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.chatbot-shell {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 70;
}

.chatbot-launcher {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 18px;
  border: 0;
  border-radius: 999px;
  background: #0b1420;
  color: #fff;
  font-weight: 800;
  box-shadow: 0 18px 38px rgba(11, 20, 32, 0.3);
  cursor: pointer;
}

.chatbot-launcher:hover {
  background: #132131;
}

.chatbot-launcher-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #4ade80;
  box-shadow: 0 0 0 6px rgba(74, 222, 128, 0.16);
}

.chatbot-panel {
  width: min(390px, calc(100vw - 28px));
  max-height: min(680px, calc(100vh - 110px));
  margin: 0 0 14px auto;
  border: 1px solid rgba(11, 20, 32, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 26px 60px rgba(15, 31, 55, 0.22);
  backdrop-filter: blur(18px);
  overflow: hidden;
}

.chatbot-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 18px 14px;
  border-bottom: 1px solid rgba(11, 20, 32, 0.08);
  background: linear-gradient(135deg, rgba(23, 105, 224, 0.08), rgba(0, 169, 200, 0.08));
}

.chatbot-header h2 {
  margin: 4px 0 0;
  font-size: 18px;
  line-height: 1.2;
}

.chatbot-eyebrow {
  margin: 0;
  color: var(--blue);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.chatbot-close {
  flex: 0 0 auto;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(11, 20, 32, 0.12);
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  font-weight: 700;
  cursor: pointer;
}

.chatbot-status {
  padding: 10px 18px 0;
  color: var(--muted);
  font-size: 13px;
}

.chatbot-messages {
  display: grid;
  gap: 12px;
  max-height: 360px;
  padding: 14px 18px 10px;
  overflow-y: auto;
}

.chatbot-message {
  max-width: 92%;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.6;
  white-space: pre-line;
}

.chatbot-message.user {
  justify-self: end;
  background: #0b1420;
  color: #fff;
}

.chatbot-message.bot {
  justify-self: start;
  background: #eef4fb;
  color: var(--ink);
  border: 1px solid rgba(23, 105, 224, 0.08);
}

.chatbot-message strong {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
}

.chatbot-sources {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.chatbot-source {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(23, 105, 224, 0.08);
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
}

.chatbot-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 4px 18px 14px;
}

.chatbot-chip {
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(11, 20, 32, 0.1);
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.chatbot-chip:hover {
  border-color: rgba(23, 105, 224, 0.26);
  color: var(--blue);
}

.chatbot-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  padding: 0 18px 18px;
}

.chatbot-input {
  width: 100%;
  min-height: 92px;
  padding: 12px 14px;
  border: 1px solid rgba(11, 20, 32, 0.12);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  resize: vertical;
}

.chatbot-input:focus {
  outline: 0;
  border-color: rgba(23, 105, 224, 0.5);
  box-shadow: 0 0 0 4px rgba(23, 105, 224, 0.12);
}

.chatbot-send {
  min-width: 78px;
  min-height: 46px;
  align-self: end;
  padding: 0 16px;
  border: 0;
  border-radius: 8px;
  background: var(--orange);
  color: #fff;
  font-weight: 800;
  cursor: pointer;
}

.chatbot-send:hover {
  background: #cc5f1f;
}

.chatbot-send:disabled,
.chatbot-chip:disabled,
.chatbot-input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

@media (max-width: 940px) {
  .nav-toggle {
    display: inline-block;
  }

  .site-nav {
    position: absolute;
    top: 72px;
    left: 20px;
    right: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    border-radius: var(--radius);
    background: rgba(17, 25, 27, 0.98);
    color: #fff;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    padding: 12px;
  }

  .intro-grid,
  .split,
  .solution-layout,
  .benefit-layout,
  .interface-panel,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .workflow,
  .tech-grid,
  .application-grid,
  .overview-cards,
  .spec-table {
    grid-template-columns: repeat(2, 1fr);
  }

  .spec-table div:nth-child(3n) {
    border-right: 1px solid var(--line);
  }

  .spec-table div:nth-child(2n) {
    border-right: 0;
  }

  .chatbot-shell {
    right: 16px;
    bottom: 16px;
  }
}

@media (max-width: 620px) {
  :root {
    --container: min(100vw - 28px, 1160px);
  }

  .hero {
    min-height: 92vh;
  }

  .hero-content {
    padding-top: 106px;
  }

  .hero-copy {
    font-size: 16px;
  }

  .hero-highlights,
  .feature-grid,
  .workflow,
  .tech-grid,
  .application-grid,
  .benefit-grid,
  .overview-cards,
  .spec-table {
    grid-template-columns: 1fr;
  }

  .tabs {
    overflow-x: auto;
  }

  .tab {
    white-space: nowrap;
  }

  .section {
    padding: 68px 0;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .chatbot-panel {
    width: min(100vw - 20px, 390px);
    max-height: calc(100vh - 92px);
    margin-bottom: 10px;
  }

  .chatbot-form {
    grid-template-columns: 1fr;
  }

  .chatbot-send {
    width: 100%;
  }

  .spec-table div,
  .spec-table div:nth-child(2n),
  .spec-table div:nth-child(3n) {
    border-right: 0;
  }
}
