:root {
  color-scheme: dark;
  --bg: #0b1020;
  --bg-soft: #10182b;
  --panel: rgba(255, 255, 255, 0.07);
  --panel-strong: rgba(255, 255, 255, 0.11);
  --line: rgba(255, 255, 255, 0.13);
  --text: #f7f9ff;
  --muted: #a7b0c5;
  --soft: #d8def0;
  --cyan: #52d5ff;
  --blue: #5b8cff;
  --green: #43e0a8;
  --gold: #f4b64a;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 14% 8%, rgba(82, 213, 255, 0.18), transparent 30%),
    radial-gradient(circle at 90% 18%, rgba(244, 182, 74, 0.14), transparent 26%),
    linear-gradient(180deg, #0b1020 0%, #101625 980px, #f5f7fb 980px, #eef2f8 100%);
  color: var(--text);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei",
    sans-serif;
  line-height: 1.6;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  width: 100%;
  padding: 12px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(11, 16, 32, 0.88);
  backdrop-filter: blur(18px);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.18);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.brand,
.site-nav,
.hero-actions,
.footer-links {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(82, 213, 255, 0.2);
}

.site-nav {
  gap: 28px;
  color: var(--muted);
  font-size: 14px;
}

.site-nav a:hover,
.footer-links a:hover {
  color: var(--text);
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: var(--radius);
  font-weight: 700;
  transition:
    transform 0.18s ease,
    border-color 0.18s ease,
    background 0.18s ease;
}

.nav-cta {
  padding: 0 18px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--line);
}

.button {
  padding: 0 22px;
  border: 1px solid transparent;
}

.button:hover,
.download-card:hover,
.price-card:hover {
  transform: translateY(-2px);
}

.primary {
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  color: #06101c;
  box-shadow: 0 14px 32px rgba(82, 213, 255, 0.25);
}

.secondary {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--line);
  color: var(--text);
}

.hero,
.section,
.site-footer {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.82fr);
  gap: 64px;
  align-items: center;
  min-height: calc(100vh - 78px);
  padding: 74px 0 96px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(44px, 7vw, 78px);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  color: inherit;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
  line-height: 1.2;
  letter-spacing: 0;
}

.hero-text {
  max-width: 650px;
  margin-bottom: 32px;
  color: var(--soft);
  font-size: 18px;
}

.hero-actions {
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 42px;
}

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

.hero-stats div {
  padding: 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.hero-stats dt {
  margin-bottom: 4px;
  color: var(--text);
  font-size: 20px;
  font-weight: 800;
}

.hero-stats dd {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.hero-visual {
  position: relative;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 12% -6% auto auto;
  width: 58%;
  aspect-ratio: 1;
  background: rgba(244, 182, 74, 0.18);
  filter: blur(60px);
}

.app-window {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(11, 16, 32, 0.72);
  box-shadow: var(--shadow);
}

.window-bar {
  display: flex;
  gap: 8px;
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.window-bar span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--gold);
}

.window-bar span:first-child {
  background: #ff6b6b;
}

.window-bar span:last-child {
  background: var(--green);
}

.window-body {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  min-height: 440px;
}

.preview-sidebar {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 20px 18px;
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
}

.preview-sidebar img {
  width: 46px;
  height: 46px;
  border-radius: 8px;
}

.preview-sidebar span {
  width: 100%;
  height: 9px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.13);
}

.preview-sidebar .active-line {
  background: linear-gradient(90deg, var(--cyan), var(--blue));
}

.preview-main {
  display: flex;
  flex-direction: column;
  gap: 22px;
  justify-content: center;
  padding: 34px;
}

.share-card,
.token-card,
.progress-block,
.security-panel,
.feature-grid article,
.price-card,
.download-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.share-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px;
}

.share-card p,
.token-card span {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 13px;
}

.share-card strong {
  color: var(--text);
  font-size: 22px;
}

.status-pill {
  flex: 0 0 auto;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(67, 224, 168, 0.14);
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
}

.transfer-path {
  display: grid;
  grid-template-columns: auto minmax(42px, 1fr) auto;
  align-items: center;
  gap: 14px;
  color: var(--soft);
  font-weight: 700;
}

.transfer-path i {
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--blue), var(--gold));
}

.progress-block,
.token-card {
  padding: 20px;
}

.progress-meta {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  color: var(--soft);
}

.progress-track {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
}

.progress-track span {
  display: block;
  width: 78%;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--green));
}

.token-card code {
  color: var(--gold);
  font-size: 22px;
  font-weight: 800;
}

.scenario-strip {
  width: min(1180px, calc(100% - 40px));
  margin: -44px auto 0;
  padding-bottom: 90px;
  color: #142033;
}

.scenario-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 18px;
}

.scenario-heading h2 {
  max-width: 560px;
  margin: 0;
  font-size: clamp(28px, 3vw, 38px);
}

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

.scenario-grid article {
  min-height: 184px;
  padding: 24px;
  border: 1px solid rgba(20, 32, 51, 0.1);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 18px 50px rgba(20, 32, 51, 0.07);
}

.scenario-grid span {
  display: inline-flex;
  margin-bottom: 26px;
  padding: 5px 9px;
  border-radius: var(--radius);
  background: rgba(82, 140, 255, 0.1);
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
}

.scenario-grid h3 {
  margin-bottom: 8px;
  color: #142033;
}

.scenario-grid p {
  margin: 0;
  color: #526074;
  font-size: 14px;
}

.scenario-grid article:hover {
  border-color: rgba(82, 140, 255, 0.24);
  box-shadow: 0 22px 60px rgba(20, 32, 51, 0.1);
}

.scenario-heading .eyebrow {
  margin-bottom: 6px;
}

.scenario-heading p:not(.eyebrow) {
  color: #526074;
  font-weight: 700;
}

.section {
  padding: 94px 0;
  color: #142033;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 34px;
}

.section-heading p:not(.eyebrow),
.split p,
.price-card p,
.feature-grid p {
  color: #526074;
}

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

.feature-grid article,
.price-card,
.download-card,
.security-panel {
  background: rgba(255, 255, 255, 0.78);
  border-color: rgba(20, 32, 51, 0.1);
  box-shadow: 0 18px 50px rgba(20, 32, 51, 0.08);
}

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

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 28px;
  border-radius: var(--radius);
  background: #0d1728;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 900;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.7fr);
  gap: 58px;
  align-items: center;
}

.check-list,
.price-card ul {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 24px 0 0;
  list-style: none;
}

.check-list li,
.price-card li {
  position: relative;
  padding-left: 26px;
  color: #26364f;
}

.check-list li::before,
.price-card li::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
}

.security-panel {
  display: grid;
  gap: 14px;
  padding: 26px;
}

.security-panel img {
  width: 96px;
  height: 96px;
  margin-bottom: 14px;
  border-radius: 22px;
  box-shadow: 0 18px 42px rgba(82, 140, 255, 0.25);
}

.security-panel div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid rgba(20, 32, 51, 0.1);
}

.security-panel span {
  color: #647287;
}

.download-section {
  padding-top: 108px;
}

.download-grid,
.pricing-grid {
  display: grid;
  gap: 16px;
}

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

.pricing-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.download-card {
  display: grid;
  gap: 6px;
  align-content: start;
  padding: 26px;
  transition: transform 0.18s ease;
}

.download-card-featured {
  gap: 12px;
}

.download-card span {
  color: var(--blue);
  font-size: 14px;
  font-weight: 900;
}

.download-card strong {
  color: #142033;
  font-size: 24px;
}

.download-card small {
  color: #66748a;
}

.download-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  margin-top: 8px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  color: #06101c;
  font-weight: 800;
}

.download-alt {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 2px;
}

.download-alt a {
  padding: 6px 10px;
  border: 1px solid rgba(20, 32, 51, 0.12);
  border-radius: var(--radius);
  color: #526074;
  font-size: 12px;
  font-weight: 800;
}

.download-alt a:hover {
  color: #142033;
  border-color: rgba(20, 32, 51, 0.22);
}

.price-card {
  display: flex;
  flex-direction: column;
  min-height: 410px;
  padding: 24px;
  transition: transform 0.18s ease;
}

.price-card.featured {
  background: #10182b;
  color: var(--text);
  box-shadow: 0 22px 70px rgba(16, 24, 43, 0.26);
}

.price-card:not(.featured) .secondary {
  background: rgba(20, 32, 51, 0.06);
  border-color: rgba(20, 32, 51, 0.14);
  color: #142033;
}

.price-card.featured p,
.price-card.featured li {
  color: var(--muted);
}

.price-card .price {
  margin-bottom: 10px;
  color: inherit;
  font-size: 36px;
  font-weight: 900;
  line-height: 1;
}

.price-card ul {
  margin-bottom: 28px;
}

.price-card .button {
  margin-top: auto;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 46px 0 58px;
  color: #142033;
}

.site-footer p {
  margin: 6px 0 0;
  color: #66748a;
}

.footer-links {
  gap: 20px;
  color: #526074;
}

@media (max-width: 920px) {
  .site-nav {
    display: none;
  }

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

  .hero {
    min-height: 0;
    padding-top: 54px;
  }

  .hero-stats,
  .feature-grid,
  .download-grid,
  .pricing-grid {
    grid-template-columns: 1fr 1fr;
  }

  .scenario-grid {
    grid-template-columns: 1fr 1fr;
    margin-top: 0;
  }
}

@media (max-width: 640px) {
  .header-inner,
  .hero,
  .section,
  .site-footer,
  .scenario-strip {
    width: min(100% - 28px, 1180px);
  }

  .site-header {
    padding: 12px 0;
  }

  .nav-cta {
    display: none;
  }

  .brand span {
    font-size: 15px;
  }

  h1 {
    font-size: 42px;
  }

  .hero-actions,
  .site-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-stats,
  .feature-grid,
  .download-grid,
  .pricing-grid,
  .scenario-grid {
    grid-template-columns: 1fr;
  }

  .scenario-heading {
    display: block;
  }

  .window-body {
    grid-template-columns: 1fr;
  }

  .preview-sidebar {
    display: none;
  }

  .preview-main {
    padding: 22px;
  }

  .share-card,
  .security-panel div {
    align-items: flex-start;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}