:root {
  --ink: #101820;
  --ink-soft: #344452;
  --surface: #f5f8f8;
  --surface-strong: #ffffff;
  --line: rgba(16, 24, 32, 0.12);
  --deep: #07131a;
  --deep-2: #0a1f27;
  --teal: #19d2c1;
  --teal-dark: #078d88;
  --gold: #d8b66a;
  --blue: #5fb7ff;
  --white: #ffffff;
  --muted-white: rgba(255, 255, 255, 0.76);
  --shadow: 0 20px 60px rgba(7, 19, 26, 0.22);
  --radius: 8px;
  --header-height: 72px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: Inter, "Noto Sans TC", "Microsoft JhengHei", "PingFang TC", Arial, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

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

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

button {
  border: 0;
  font: inherit;
}

.container {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  padding: 0 28px;
  color: var(--white);
  background: rgba(7, 19, 26, 0.62);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  flex-shrink: 1;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  color: var(--deep);
  background: linear-gradient(135deg, var(--teal), var(--gold));
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 800;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-copy strong {
  font-size: 1rem;
  font-weight: 760;
}

.brand-copy span {
  color: var(--muted-white);
  font-size: 0.72rem;
}

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

.site-nav a {
  padding: 9px 13px;
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.92rem;
  transition: color 160ms ease, background 160ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  outline: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.language-switcher {
  position: relative;
}

.language-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 12px;
  color: var(--white);
  cursor: pointer;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  white-space: nowrap;
}

.language-button svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.language-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  display: none;
  width: 142px;
  padding: 6px;
  background: rgba(8, 22, 29, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.language-menu.is-open {
  display: block;
}

.language-menu button {
  width: 100%;
  padding: 9px 10px;
  color: rgba(255, 255, 255, 0.82);
  text-align: left;
  cursor: pointer;
  background: transparent;
  border-radius: 6px;
}

.language-menu button:hover,
.language-menu button.is-active {
  color: var(--white);
  background: rgba(25, 210, 193, 0.16);
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--white);
  border-radius: 2px;
}

.section {
  position: relative;
  padding: 96px 0;
  scroll-margin-top: var(--header-height);
}

.section-dark {
  color: var(--white);
  background: var(--deep);
}

.section-light {
  background: var(--surface-strong);
}

.section-muted {
  background: #edf3f2;
}

.hero {
  min-height: 88svh;
  padding: 0;
  overflow: hidden;
}

.hero-bg,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-bg {
  background-image: url("assets/hero-fintech-ai.png");
  background-position: center center;
  background-size: cover;
  transform: scale(1.01);
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(7, 19, 26, 0.94) 0%, rgba(7, 19, 26, 0.76) 33%, rgba(7, 19, 26, 0.28) 68%, rgba(7, 19, 26, 0.12) 100%),
    linear-gradient(0deg, rgba(7, 19, 26, 0.52), rgba(7, 19, 26, 0.06) 45%);
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 88svh;
  padding-top: var(--header-height);
  padding-bottom: 54px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 0.82rem;
  font-weight: 760;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 740px;
  margin: 0;
  font-size: 4rem;
  line-height: 1.08;
  letter-spacing: 0;
}

.hero-lede {
  max-width: 690px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: 1.16rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 8px;
  font-weight: 720;
}

.button-primary {
  color: var(--deep);
  background: var(--teal);
  box-shadow: 0 12px 34px rgba(25, 210, 193, 0.22);
}

.button-secondary {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 48px;
}

.hero-proof span {
  padding: 8px 12px;
  color: rgba(255, 255, 255, 0.82);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
}

.section-heading {
  max-width: 560px;
}

.heading-wide {
  max-width: 820px;
  margin-bottom: 36px;
}

.section-heading h2 {
  margin: 0;
  font-size: 2.55rem;
  line-height: 1.16;
  letter-spacing: 0;
}

.section-heading p:not(.eyebrow) {
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-size: 1.02rem;
}

.section-dark .section-heading p:not(.eyebrow) {
  color: var(--muted-white);
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.1fr);
  gap: 54px;
  align-items: start;
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.mini-card,
.capability-card,
.solution-card,
.strength-list article,
.partnership-row article {
  border-radius: var(--radius);
}

.mini-card {
  min-height: 230px;
  padding: 22px;
  background: #f4fbfa;
  border: 1px solid rgba(7, 141, 136, 0.18);
}

.mini-card span,
.card-kicker,
.strength-list span {
  display: inline-flex;
  color: var(--teal-dark);
  font-size: 0.82rem;
  font-weight: 800;
}

.mini-card h3,
.capability-card h3,
.solution-card h3,
.strength-list h3,
.partnership-row h3 {
  margin: 14px 0 8px;
  font-size: 1.14rem;
  line-height: 1.25;
}

.mini-card p,
.capability-card p,
.solution-card p,
.strength-list p,
.partnership-row p {
  margin: 0;
  color: var(--ink-soft);
}

.platform {
  overflow: hidden;
}

.architecture-panel {
  position: relative;
  overflow: hidden;
  padding: 18px;
  background:
    radial-gradient(circle at 30% 20%, rgba(25, 210, 193, 0.17), transparent 28%),
    radial-gradient(circle at 76% 70%, rgba(216, 182, 106, 0.13), transparent 30%),
    linear-gradient(135deg, #07131a, #0a1f27 62%, #061016);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.architecture-panel::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.72), rgba(0, 0, 0, 0.24));
}

.architecture-title {
  position: relative;
  z-index: 1;
  margin-bottom: 14px;
  color: var(--white);
  font-size: 1.55rem;
  font-weight: 820;
}

.architecture-map {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.95fr) minmax(0, 1fr);
  gap: 14px;
}

.arch-zone {
  min-height: 690px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.arch-zone h3 {
  margin: 0 0 12px;
  color: var(--teal);
  font-size: 1rem;
  font-weight: 820;
}

.arch-zone h4 {
  margin: 0 0 8px;
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.9rem;
}

.arch-node,
.market-card,
.sub-agent,
.data-governance,
.data-language,
.toolset,
.execution-tag,
.flow-caption,
.app-group {
  background: rgba(5, 13, 17, 0.58);
  border: 1px solid rgba(25, 210, 193, 0.22);
  border-radius: 8px;
}

.arch-node {
  padding: 12px;
}

.arch-node span,
.market-card,
.sub-agent,
.data-governance,
.data-language,
.toolset-title,
.execution-tag,
.flow-caption {
  color: var(--white);
  font-weight: 760;
}

.arch-node small {
  display: block;
  margin-top: 6px;
  color: var(--muted-white);
  font-size: 0.78rem;
  line-height: 1.45;
}

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

.model-node {
  background: rgba(25, 210, 193, 0.08);
}

.model-tags {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-top: 10px;
}

.model-tags b,
.toolset span,
.support-tools span,
.data-grid span,
.app-group span {
  display: grid;
  place-items: center;
  min-height: 34px;
  padding: 6px 8px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.8rem;
  font-weight: 680;
  line-height: 1.25;
  text-align: center;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
}

.builder-core {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.25fr) minmax(0, 0.88fr);
  gap: 10px;
  align-items: stretch;
  margin: 14px 0;
}

.orchestration-node {
  display: grid;
  place-items: center;
  min-height: 150px;
  text-align: center;
  background: linear-gradient(180deg, rgba(25, 210, 193, 0.18), rgba(95, 183, 255, 0.12));
  border-color: rgba(25, 210, 193, 0.42);
}

.side-node {
  display: grid;
  align-content: center;
  min-height: 150px;
}

.flow-caption {
  margin-bottom: 12px;
  padding: 9px 10px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.82rem;
  text-align: center;
}

.toolset {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  padding: 12px;
}

.toolset-title {
  grid-column: 1 / -1;
  color: var(--teal);
}

.execution-tag {
  margin-top: 12px;
  padding: 10px 12px;
  color: rgba(255, 255, 255, 0.82);
  text-align: center;
}

.arch-support {
  display: flex;
  flex-direction: column;
}

.market-card,
.sub-agent,
.data-governance,
.data-language {
  padding: 10px 12px;
  text-align: center;
}

.support-tools {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 12px 0;
}

.sub-agent {
  margin-top: auto;
  border-color: rgba(216, 182, 106, 0.34);
}

.data-governance {
  margin-top: 12px;
  color: var(--teal);
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 10px;
}

.data-grid span:nth-child(5) {
  grid-column: 1 / -1;
}

.data-language {
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.84);
}

.arch-apps {
  display: grid;
  align-content: start;
  gap: 12px;
}

.app-group {
  padding: 12px;
}

.app-group div {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.capability-card {
  min-height: 250px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.capability-card p {
  color: var(--muted-white);
}

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

.solution-card {
  min-height: 280px;
  padding: 24px;
  background: #ffffff;
  border: 1px solid var(--line);
  box-shadow: 0 14px 34px rgba(16, 24, 32, 0.07);
}

.solution-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: var(--deep);
  background: #dff8f5;
  border-radius: 8px;
}

.solution-icon svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.metrics-band {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  margin-top: 28px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.metrics-band div {
  min-height: 124px;
  padding: 22px;
  background: #f7fbfb;
}

.metrics-band strong,
.data-wall strong {
  display: block;
  color: var(--teal-dark);
  font-size: 1.9rem;
  line-height: 1.1;
}

.metrics-band span,
.data-wall span {
  display: block;
  margin-top: 8px;
  color: var(--ink-soft);
}

.strength-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  gap: 24px;
  align-items: stretch;
}

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

.strength-list article {
  padding: 22px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
}

.data-wall {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  background: rgba(7, 141, 136, 0.24);
  border: 1px solid rgba(7, 141, 136, 0.24);
  border-radius: 8px;
}

.data-wall div {
  min-height: 150px;
  padding: 24px;
  background: #ffffff;
}

.partnership-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 26px;
}

.partnership-row article {
  padding: 22px;
  background: #fbf7ec;
  border: 1px solid rgba(216, 182, 106, 0.36);
}

.contact {
  padding-bottom: 88px;
  background:
    linear-gradient(90deg, rgba(7, 19, 26, 0.96), rgba(10, 31, 39, 0.92)),
    var(--deep);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 0.8fr);
  gap: 60px;
  align-items: start;
}

.contact-panel {
  padding: 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
}

.contact-panel a,
.contact-panel address {
  display: block;
  padding: 18px;
  color: var(--white);
  font-style: normal;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-panel address {
  border-bottom: 0;
}

.contact-panel span {
  display: block;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 760;
  text-transform: uppercase;
}

.contact-panel strong {
  display: block;
  margin-top: 4px;
  font-size: 1.08rem;
  line-height: 1.35;
}

.contact-panel small {
  display: block;
  margin-top: 7px;
  color: var(--muted-white);
  font-size: 0.92rem;
  line-height: 1.45;
}

.site-footer {
  color: rgba(255, 255, 255, 0.74);
  background: #050d11;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 22px 0;
  font-size: 0.9rem;
}

@media (max-width: 1080px) {
  .site-nav {
    position: fixed;
    top: var(--header-height);
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
    background: rgba(7, 19, 26, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

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

  .site-nav a {
    padding: 13px 14px;
  }

  .menu-toggle {
    display: block;
  }

  .hero h1 {
    font-size: 3.1rem;
  }

  .two-column,
  .strength-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

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

  .metrics-band {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .architecture-map {
    grid-template-columns: 1fr;
  }

  .arch-zone {
    min-height: auto;
  }

  .data-wall {
    max-width: none;
  }
}

@media (max-width: 720px) {
  :root {
    --header-height: 64px;
  }

  .container {
    width: min(100% - 32px, 1180px);
  }

  .site-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
    padding: 0 16px;
  }

  .brand {
    max-width: 100%;
    overflow: hidden;
  }

  .brand-copy strong {
    font-size: 0.92rem;
  }

  .brand-copy span {
    display: none;
  }

  .language-button {
    width: 54px;
    justify-content: center;
    padding: 0 7px;
    gap: 0;
  }

  .language-button svg {
    display: none;
  }

  .header-actions {
    width: 102px;
    gap: 8px;
    justify-content: flex-end;
  }

  .language-switcher {
    position: fixed;
    top: 12px;
    right: 64px;
    z-index: 45;
  }

  .menu-toggle {
    position: fixed;
    top: 12px;
    right: 16px;
    z-index: 45;
  }

  .hero {
    min-height: 90svh;
  }

  .hero-bg {
    background-position: 62% center;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(7, 19, 26, 0.96) 0%, rgba(7, 19, 26, 0.82) 58%, rgba(7, 19, 26, 0.34) 100%),
      linear-gradient(0deg, rgba(7, 19, 26, 0.54), rgba(7, 19, 26, 0.08) 45%);
  }

  .hero-content {
    min-height: 90svh;
    padding-bottom: 36px;
  }

  .hero h1 {
    max-width: 335px;
    font-size: 1.9rem;
    overflow-wrap: anywhere;
    word-break: break-all;
  }

  .hero-lede {
    max-width: 335px;
    font-size: 1rem;
    overflow-wrap: anywhere;
  }

  .hero-proof {
    max-width: 335px;
  }

  .section {
    padding: 72px 0;
  }

  .section-heading h2 {
    font-size: 1.92rem;
  }

  .pain-grid,
  .capability-grid,
  .solution-grid,
  .metrics-band,
  .partnership-row {
    grid-template-columns: 1fr;
  }

  .mini-card,
  .capability-card,
  .solution-card {
    min-height: auto;
  }

  .architecture-panel {
    padding: 12px;
  }

  .architecture-title {
    font-size: 1.25rem;
  }

  .builder-core,
  .model-tags,
  .toolset,
  .support-tools,
  .data-grid,
  .app-group div {
    grid-template-columns: 1fr;
  }

  .orchestration-node,
  .side-node {
    min-height: auto;
  }

  .data-wall {
    grid-template-columns: 1fr;
  }

  .contact-layout {
    gap: 28px;
  }
}

@media (max-width: 420px) {
  .brand-mark {
    width: 36px;
    height: 36px;
  }

  .brand-copy strong {
    max-width: 76px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .hero h1 {
    font-size: 1.78rem;
  }

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