:root {
  --primary: #2980FE;
  --primary-soft: #EAF3FF;
  --primary-light: #F5F9FF;
  --text: #1F2937;
  --muted: #6B7280;
  --soft: #F6F8FB;
  --line: #E5EAF2;
  --card: #FFFFFF;
  --deep: #111827;
  --radius-xl: 32px;
  --radius-lg: 24px;
  --shadow: 0 18px 55px rgba(31, 41, 55, .08);
  --shadow-soft: 0 10px 32px rgba(41, 128, 254, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #FFFFFF 0%, #F7FAFF 48%, #FFFFFF 100%);
  line-height: 1.75;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 16px; color: var(--muted); }
h1, h2, h3 { color: var(--deep); line-height: 1.18; letter-spacing: -.02em; margin: 0 0 16px; }
h1 { font-size: clamp(2.2rem, 8vw, 5.2rem); }
h2 { font-size: clamp(1.75rem, 4vw, 3rem); }
h3 { font-size: 1.2rem; }
ul, ol { padding-left: 20px; color: var(--muted); }
section { position: relative; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(229,234,242,.82);
}
.header-inner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: var(--deep);
  white-space: nowrap;
}
.logo img { width: 36px; height: 36px; object-fit: contain; }
.nav-toggle {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--deep);
  width: 42px;
  height: 42px;
  border-radius: 14px;
  font-size: 20px;
}
.site-nav {
  display: none;
  position: absolute;
  top: 72px;
  left: 16px;
  right: 16px;
  padding: 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
}
.site-nav.open { display: grid; gap: 8px; }
.site-nav a {
  padding: 10px 12px;
  border-radius: 12px;
  color: #4B5563;
  font-weight: 650;
  font-size: .95rem;
}
.site-nav a:hover, .site-nav a.active { color: var(--primary); background: var(--primary-soft); }

.content-container {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}
.narrow-container {
  width: min(880px, calc(100% - 32px));
  margin: 0 auto;
}
.gradient-background {
  background:
    radial-gradient(circle at 12% 18%, rgba(41,128,254,.16), transparent 32%),
    radial-gradient(circle at 82% 10%, rgba(41,128,254,.10), transparent 34%),
    linear-gradient(180deg, #FFFFFF, #F4F8FF);
}
.launch-hero {
  overflow: hidden;
  padding: 56px 0 34px;
}
.launch-hero .content-container {
  display: grid;
  gap: 34px;
  align-items: center;
}
.hero-copy .eyebrow, .section-eyebrow, .category-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  background: var(--primary-soft);
  border: 1px solid rgba(41,128,254,.16);
  border-radius: 999px;
  padding: 7px 12px;
  font-weight: 760;
  font-size: .88rem;
  margin-bottom: 16px;
}
.hero-copy p.lead, .page-hero .lead {
  font-size: 1.05rem;
  color: #4B5563;
  max-width: 720px;
}
.download-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 13px 26px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  box-shadow: 0 18px 36px rgba(41,128,254,.24);
  transition: transform .2s ease, box-shadow .2s ease;
  border: 0;
  cursor: pointer;
  white-space: nowrap;
}
.download-btn:hover { transform: translateY(-2px); box-shadow: 0 22px 46px rgba(41,128,254,.28); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin: 24px 0 20px; }
.safety-tags, .pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.safety-tags span, .pill-row span {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.78);
  color: #536070;
  font-size: .9rem;
}
.hero-visual, .app-showcase {
  position: relative;
  display: grid;
  place-items: center;
}
.hero-visual::before {
  content: "";
  position: absolute;
  width: min(86vw, 520px);
  height: min(86vw, 520px);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(41,128,254,.18), rgba(41,128,254,.04) 55%, transparent 70%);
}
.phone-stage {
  position: relative;
  width: min(86vw, 360px);
  padding: 20px;
  border-radius: 42px;
  background: linear-gradient(145deg, rgba(255,255,255,.92), rgba(234,243,255,.88));
  border: 1px solid rgba(41,128,254,.16);
  box-shadow: var(--shadow);
}
.phone-stage img {
  margin: 0 auto;
  max-height: 520px;
  object-fit: contain;
}
.float-label {
  position: absolute;
  z-index: 3;
  background: rgba(255,255,255,.92);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 12px;
  box-shadow: var(--shadow-soft);
  color: #2E3A4A;
  font-weight: 750;
  font-size: .82rem;
}
.float-label.one { left: -6px; top: 18%; }
.float-label.two { right: -12px; top: 34%; }
.float-label.three { left: 12px; bottom: 20%; }
.float-label.four { right: 4px; bottom: 10%; }

.highlight-bar {
  padding: 26px 0 56px;
}
.highlight-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.highlight-card, .launch-card, .faq-item, .risk-card, .category-card, .info-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 28px rgba(31,41,55,.045);
}
.highlight-card {
  padding: 18px;
  display: grid;
  gap: 8px;
}
.highlight-card .tag, .mini-tag {
  display: inline-flex;
  width: fit-content;
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 800;
  font-size: .78rem;
}
.highlight-card a, .text-link {
  color: var(--primary);
  font-weight: 800;
}
.launch-card {
  padding: 24px;
  margin: 18px 0;
}

.big-feature-card {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto 28px;
  padding: 24px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.86);
  box-shadow: var(--shadow);
  display: grid;
  gap: 26px;
  align-items: center;
  overflow: hidden;
}
.big-feature-card.alt {
  background: linear-gradient(135deg, #FFFFFF 0%, #F3F8FF 100%);
}
.feature-copy ul {
  display: grid;
  gap: 8px;
  margin: 18px 0 0;
}
.feature-copy li::marker { color: var(--primary); }
.feature-image {
  padding: 18px;
  border-radius: 28px;
  background: linear-gradient(180deg, #F4F8FF, #FFFFFF);
  border: 1px solid rgba(41,128,254,.12);
  min-height: 240px;
  display: grid;
  place-items: center;
}
.feature-image img { max-height: 430px; object-fit: contain; }
.wallet-feature { }
.cold-wallet-feature { }
.swap-feature { }
.dapp-feature { }

.section-block {
  padding: 58px 0;
}
.section-title {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 28px;
}
.section-title p { font-size: 1rem; }
.process-steps {
  display: grid;
  gap: 14px;
}
.step-card {
  position: relative;
  padding: 20px;
  border-radius: 24px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 8px 28px rgba(31,41,55,.04);
}
.step-number {
  width: 38px;
  height: 38px;
  border-radius: 15px;
  display: inline-grid;
  place-items: center;
  background: var(--primary);
  color: #fff;
  font-weight: 900;
  margin-bottom: 12px;
}
.risk-grid, .category-grid, .app-category-center, .card-grid {
  display: grid;
  gap: 16px;
}
.risk-card {
  padding: 20px;
  border-left: 4px solid var(--primary);
}
.risk-card strong, .category-card strong { display: block; color: var(--deep); margin-bottom: 8px; font-size: 1.04rem; }
.risk-card .suggestion {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 14px;
  background: var(--primary-light);
  color: #374151;
  font-size: .92rem;
}
.app-category-center {
  grid-template-columns: 1fr;
}
.category-card {
  min-height: 170px;
  padding: 20px;
  position: relative;
  overflow: hidden;
}
.category-card::after {
  content: "";
  position: absolute;
  width: 110px;
  height: 110px;
  right: -48px;
  bottom: -50px;
  border-radius: 50%;
  background: rgba(41,128,254,.09);
}
.faq-list {
  display: grid;
  gap: 14px;
}
.faq-item {
  padding: 20px;
}
.faq-item h3 { margin-bottom: 8px; font-size: 1.05rem; }
.cta-section {
  width: min(1180px, calc(100% - 32px));
  margin: 38px auto 72px;
  padding: clamp(30px, 7vw, 64px);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 15% 20%, rgba(41,128,254,.18), transparent 30%),
    linear-gradient(135deg, #F5F9FF, #FFFFFF);
  border: 1px solid rgba(41,128,254,.14);
  text-align: center;
  box-shadow: var(--shadow-soft);
}
.cta-section p { max-width: 720px; margin-left: auto; margin-right: auto; }
.page-hero {
  padding: 54px 0 30px;
}
.page-hero .narrow-container, .page-hero .content-container {
  background: linear-gradient(135deg, #FFFFFF, #F4F8FF);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: clamp(24px, 6vw, 54px);
  box-shadow: var(--shadow-soft);
}
.page-layout {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto 70px;
  display: grid;
  gap: 20px;
}
.article-main {
  display: grid;
  gap: 18px;
}
.info-card {
  padding: 22px;
}
.info-card h2 { font-size: 1.45rem; }
.checklist {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.checklist li {
  padding: 13px 14px;
  border-radius: 16px;
  background: var(--primary-light);
  color: #465367;
  border: 1px solid rgba(41,128,254,.10);
}
.safety-panel {
  padding: 20px;
  border-radius: 24px;
  border: 1px solid rgba(41,128,254,.14);
  background: linear-gradient(180deg, #FFFFFF, #F5F9FF);
}
.side-panel {
  display: grid;
  gap: 16px;
  align-content: start;
}
.side-panel .info-card { position: sticky; top: 96px; }
.about-vision {
  display: grid;
  gap: 16px;
}
.download-steps {
  counter-reset: dstep;
  list-style: none;
  padding: 0;
  display: grid;
  gap: 14px;
}
.download-steps li {
  counter-increment: dstep;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 18px 18px 18px 64px;
  position: relative;
}
.download-steps li::before {
  content: counter(dstep);
  position: absolute;
  left: 18px;
  top: 18px;
  width: 32px;
  height: 32px;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  font-weight: 900;
  display: grid;
  place-items: center;
}
.site-footer {
  background: #F4F7FB;
  border-top: 1px solid var(--line);
  padding: 34px 0 18px;
}
.footer-inner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  gap: 22px;
}
.footer-brand {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.footer-brand img { width: 42px; height: 42px; object-fit: contain; }
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
}
.footer-links a { color: #536070; font-weight: 700; }
.footer-bottom {
  width: min(1180px, calc(100% - 32px));
  margin: 24px auto 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: #7B8493;
  font-size: .9rem;
}
@media (min-width: 640px) {
  .highlight-grid { grid-template-columns: repeat(2, 1fr); }
  .app-category-center, .category-grid, .card-grid { grid-template-columns: repeat(2, 1fr); }
  .risk-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .site-nav {
    position: static;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
  }
  .site-nav a { font-size: .9rem; padding: 8px 10px; }
  .launch-hero { padding: 78px 0 46px; }
  .launch-hero .content-container { grid-template-columns: 1.02fr .98fr; }
  .highlight-grid { grid-template-columns: repeat(3, 1fr); }
  .big-feature-card {
    grid-template-columns: 1fr .9fr;
    padding: clamp(30px, 5vw, 56px);
    margin-bottom: 34px;
  }
  .big-feature-card.reverse { grid-template-columns: .9fr 1fr; }
  .big-feature-card.reverse .feature-image { order: -1; }
  .process-steps { grid-template-columns: repeat(3, 1fr); }
  .app-category-center { grid-template-columns: repeat(4, 1fr); }
  .risk-grid { grid-template-columns: repeat(4, 1fr); }
  .page-layout { grid-template-columns: minmax(0, 1fr) 320px; }
  .footer-inner { grid-template-columns: 1fr auto; align-items: center; }
}
@media (min-width: 1120px) {
  .site-nav a { padding: 9px 12px; }
  .process-steps { grid-template-columns: repeat(6, 1fr); }
  .risk-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 380px) {
  .header-inner, .content-container, .narrow-container, .page-layout, .big-feature-card, .cta-section {
    width: min(100% - 22px, 1180px);
  }
  .download-btn { width: 100%; }
  .float-label { display: none; }
}