:root {
  --ink: #111318;
  --soft-ink: #3e4656;
  --muted: #747b88;
  --line: rgba(17, 19, 24, 0.12);
  --paper: #f5f6f8;
  --white: #ffffff;
  --coral: #ff5a3d;
  --teal: #00a8a8;
  --yellow: #ffc857;
  --blue: #2f5bff;
  --radius: 8px;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
}

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

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

.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;
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding: 0 42px;
  color: #ffffff;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.42), rgba(0, 0, 0, 0));
  transition: background 0.22s ease, color 0.22s ease, border-color 0.22s ease;
}

.site-header.is-scrolled,
.site-header.nav-open {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(20px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
  font-weight: 800;
}

.brand-logo {
  display: block;
  width: auto;
  height: 42px;
  flex: 0 0 auto;
  max-width: 130px;
  border-radius: 0;
  object-fit: contain;
  background: transparent;
}

.brand-name {
  max-width: 19rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  font-size: 0.95rem;
  font-weight: 800;
}

.site-nav a {
  opacity: 0.88;
  transition: opacity 0.18s ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  opacity: 1;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid currentColor;
  border-radius: 50%;
  color: inherit;
  background: transparent;
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.hero {
  position: relative;
  display: grid;
  min-height: 100vh;
  overflow: hidden;
  color: #ffffff;
  isolation: isolate;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.02);
}

.hero-shade {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.54), rgba(0, 0, 0, 0.1) 48%, rgba(0, 0, 0, 0.52)),
    linear-gradient(90deg, rgba(0, 0, 0, 0.48), rgba(0, 0, 0, 0.06) 68%);
}

.hero-content {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 1rem;
  width: min(960px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 108px 0 150px;
  text-align: center;
}

.kicker {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 12em;
  margin-bottom: 0;
  font-size: clamp(2.8rem, 8vw, 6.8rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(2rem, 5vw, 4.5rem);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 0.55rem;
  font-size: clamp(1.1rem, 2vw, 1.4rem);
}

.hero-content p:not(.kicker) {
  max-width: 720px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1rem, 2vw, 1.25rem);
  line-height: 1.85;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.1rem;
  margin-top: 0.35rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  font-weight: 900;
}

.text-link::after {
  width: 0.55rem;
  height: 0.55rem;
  margin-left: 0.55rem;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  content: "";
  transform: rotate(45deg);
}

.text-link.light {
  color: #ffffff;
}

.text-link.dark {
  color: var(--ink);
}

.hero-strip {
  position: absolute;
  right: clamp(1rem, 5vw, 4rem);
  bottom: 34px;
  left: clamp(1rem, 5vw, 4rem);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(16px);
}

.hero-strip span {
  display: grid;
  place-items: center;
  min-height: 62px;
  padding: 0.7rem;
  color: #ffffff;
  font-weight: 900;
  background: rgba(255, 255, 255, 0.08);
}

.quick-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.quick-nav a {
  display: grid;
  place-items: center;
  min-height: 150px;
  padding: 1rem;
  text-align: center;
  background: #ffffff;
}

.quick-nav strong {
  font-size: clamp(1.3rem, 3vw, 2rem);
}

.quick-nav span {
  margin-top: 0.45rem;
  color: var(--muted);
}

.intro,
.section {
  padding: clamp(4.8rem, 9vw, 8rem) clamp(1rem, 6vw, 5.5rem);
}

.intro {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  background: #ffffff;
}

.intro-copy {
  display: grid;
  gap: 1rem;
  max-width: 1040px;
}

.intro-copy p:not(.kicker),
.section-head p,
.story-grid p,
.platform-grid p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.8;
}

.intro-copy p:not(.kicker) {
  max-width: 760px;
  font-size: 1.12rem;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.metric-row div {
  min-height: 160px;
  padding: 1.5rem;
  background: #f8f9fb;
}

.metric-row strong {
  display: block;
  margin-bottom: 0.7rem;
  font-size: clamp(1.35rem, 3vw, 2.4rem);
}

.metric-row span {
  color: var(--muted);
  font-weight: 800;
}

.showcase {
  position: relative;
  min-height: 92vh;
  overflow: hidden;
  isolation: isolate;
}

.showcase img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.showcase::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
}

.showcase-dark {
  color: #ffffff;
}

.showcase-dark::before {
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.68), rgba(0, 0, 0, 0.18) 64%, rgba(0, 0, 0, 0.04)),
    linear-gradient(180deg, rgba(0, 0, 0, 0.06), rgba(0, 0, 0, 0.42));
}

.showcase-light {
  color: var(--ink);
}

.showcase-light::before {
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.48) 50%, rgba(255, 255, 255, 0.06)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.3));
}

.showcase-copy {
  display: grid;
  align-content: center;
  gap: 1rem;
  width: min(650px, calc(100% - 2rem));
  min-height: 92vh;
  margin-left: clamp(1rem, 7vw, 6rem);
  padding: 6rem 0;
}

.showcase-copy p:not(.kicker) {
  margin-bottom: 0;
  color: currentColor;
  opacity: 0.78;
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.85;
}

.section-head {
  display: grid;
  gap: 0.9rem;
  max-width: 880px;
  margin-bottom: clamp(2rem, 5vw, 4rem);
}

.section-head.center {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

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

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

.platform-grid article,
.story-grid article {
  min-height: 330px;
  padding: 1.35rem;
  border-radius: var(--radius);
  background: #ffffff;
  box-shadow: 0 22px 70px rgba(17, 19, 24, 0.08);
}

.platform-grid article {
  display: grid;
  align-content: space-between;
  overflow: hidden;
}

.platform-logo {
  width: min(100%, 240px);
  height: 78px;
  object-fit: contain;
  object-position: left center;
}

.platform-grid article:nth-child(1) {
  background: linear-gradient(145deg, #ffffff, #e8fbf7);
}

.platform-grid article:nth-child(2) {
  background: linear-gradient(145deg, #ffffff, #ffe8df);
}

.platform-grid article:nth-child(3) {
  background: linear-gradient(145deg, #ffffff, #eef1ff);
}

.platform-grid article:nth-child(4) {
  background: linear-gradient(145deg, #ffffff, #fff3c9);
}

.markets {
  color: #ffffff;
  background: #111318;
}

.markets .section-head p,
.markets .kicker {
  color: rgba(255, 255, 255, 0.72);
}

.market-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.16);
}

.market-grid span {
  display: grid;
  place-items: center;
  gap: 0.85rem;
  min-height: 150px;
  padding: 1rem;
  text-align: center;
  font-weight: 900;
  line-height: 1.45;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02)),
    rgba(255, 255, 255, 0.04);
}

.market-grid img {
  width: 70px;
  aspect-ratio: 3 / 2;
  border-radius: 6px;
  object-fit: cover;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.24);
}

.story {
  background: #ffffff;
}

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

.story-grid article {
  display: grid;
  align-content: end;
  min-height: 300px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.76), #ffffff),
    radial-gradient(circle at top right, rgba(255, 90, 61, 0.2), transparent 36%),
    radial-gradient(circle at bottom left, rgba(0, 168, 168, 0.18), transparent 34%),
    #ffffff;
}

.contact {
  padding: clamp(4.5rem, 9vw, 8rem) clamp(1rem, 6vw, 5.5rem);
  background:
    linear-gradient(135deg, rgba(47, 91, 255, 0.92), rgba(0, 168, 168, 0.88)),
    #101827;
}

.contact-panel {
  display: grid;
  place-items: center;
  gap: 1rem;
  max-width: 980px;
  min-height: 430px;
  margin: 0 auto;
  color: #ffffff;
  text-align: center;
}

.contact-panel p:not(.kicker) {
  max-width: 680px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.85;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 138px;
  min-height: 46px;
  padding: 0.8rem 1.2rem;
  border: 1px solid #ffffff;
  border-radius: 999px;
  color: var(--ink);
  background: #ffffff;
  font-weight: 900;
}

.button.ghost {
  color: #ffffff;
  background: transparent;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(240px, 0.8fr) minmax(160px, 0.45fr) auto;
  gap: 2rem;
  padding: 2.4rem clamp(1rem, 6vw, 5.5rem);
  color: #ffffff;
  background: #07090d;
}

.site-footer div,
.site-footer address,
.footer-links {
  display: grid;
  gap: 0.55rem;
}

.site-footer span,
.site-footer a,
.site-footer small {
  color: rgba(255, 255, 255, 0.68);
  font-style: normal;
  line-height: 1.55;
}

.legal-page {
  background: #ffffff;
}

.legal-page .site-header {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.96);
}

.legal-nav {
  color: var(--ink);
}

.legal-main {
  padding: 112px clamp(1rem, 6vw, 5.5rem) clamp(4rem, 8vw, 6rem);
}

.legal-document {
  max-width: 920px;
  margin: 0 auto;
}

.legal-document h1 {
  margin: 0.5rem 0 0;
  color: var(--ink);
  font-size: clamp(2.35rem, 6vw, 4.5rem);
}

.legal-document h2 {
  margin: 0 0 0.85rem;
  font-size: clamp(1.25rem, 2.4vw, 1.8rem);
}

.legal-document section {
  padding: 2rem 0;
  border-bottom: 1px solid var(--line);
}

.legal-document p,
.legal-document li {
  color: var(--soft-ink);
  font-size: 1rem;
  line-height: 1.9;
}

.legal-document a {
  color: var(--blue);
  font-weight: 800;
}

.legal-document ul {
  margin: 0;
  padding-left: 1.2rem;
}

.legal-updated {
  margin-bottom: 1.5rem;
  color: var(--muted);
}

@media (max-width: 1100px) {
  .platform-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .site-footer {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 800px) {
  .site-header {
    min-height: 60px;
    padding: 0 1rem;
  }

  .brand-name {
    max-width: 13rem;
  }

  .nav-toggle {
    display: inline-block;
  }

  .site-nav {
    position: fixed;
    top: 60px;
    right: 1rem;
    left: 1rem;
    display: grid;
    gap: 0;
    padding: 0.55rem;
    color: var(--ink);
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 18px 60px rgba(17, 19, 24, 0.14);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 0.18s ease, transform 0.18s ease;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-nav a {
    padding: 0.85rem;
  }

  .hero-content {
    padding-top: 92px;
  }

  .hero-strip,
  .quick-nav,
  .metric-row {
    grid-template-columns: 1fr;
  }

  .showcase,
  .showcase-copy {
    min-height: 760px;
  }

  .showcase-copy {
    align-content: end;
    margin-right: auto;
    margin-left: auto;
    padding-bottom: 4rem;
  }

  .showcase-dark::before {
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.08), rgba(0, 0, 0, 0.76));
  }

  .showcase-light::before {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.94));
  }
}

@media (max-width: 620px) {
  .brand-name {
    max-width: 10rem;
    font-size: 0.9rem;
  }

  .hero-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    bottom: 18px;
  }

  .hero-strip span {
    min-height: 48px;
  }

  .platform-grid,
  .story-grid,
  .market-grid {
    grid-template-columns: 1fr;
  }

  .platform-grid article,
  .story-grid article {
    min-height: 230px;
  }

  .contact-actions {
    display: grid;
    width: min(320px, 100%);
  }

  .button {
    width: 100%;
  }

  .site-footer {
    grid-template-columns: 1fr;
  }
}