*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #080d16;
  --ink: #f5f8ff;
  --muted: #aeb9cc;
  --panel: rgba(14, 20, 32, 0.86);
  --panel-strong: rgba(9, 14, 23, 0.96);
  --line: rgba(255, 255, 255, 0.12);
  --red: #ff4b48;
  --red-soft: #ff8a79;
  --silver: #dce6f4;
  --steel: #6f829d;
  --lime: #81e67f;
  --cyan: #67dce3;
  --gold: #ffd36f;
  --shadow: 0 22px 54px rgba(0, 0, 0, 0.36);
}
html[data-lang="en"] .zh { display: none; }
html[data-lang="zh"] .en { display: none; }
body {
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Microsoft JhengHei", sans-serif;
  color: var(--ink);
  line-height: 1.72;
  background:
    radial-gradient(circle at 16% 12%, rgba(255, 75, 72, 0.24), transparent 28%),
    radial-gradient(circle at 88% 4%, rgba(103, 220, 227, 0.18), transparent 25%),
    linear-gradient(180deg, #070b13 0%, #101827 54%, #080d16 100%);
}
a { color: inherit; }
img { display: block; max-width: 100%; }
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 20px;
  background: rgba(7, 10, 18, 0.76);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.nav-brand {
  text-decoration: none;
  font-weight: 900;
  letter-spacing: 0.04em;
  color: #fff;
  white-space: nowrap;
}
.nav-brand span { color: var(--red-soft); }
.nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 8px;
}
.nav-links a {
  text-decoration: none;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.78);
  padding: 8px 12px;
  border-radius: 999px;
}
.nav-links a:hover { color: #fff; background: rgba(255, 255, 255, 0.08); }
.lt {
  display: flex;
  gap: 4px;
  padding: 3px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.lt button {
  border: 0;
  cursor: pointer;
  color: rgba(255, 255, 255, 0.74);
  background: transparent;
  font-size: 13px;
  font-weight: 800;
  padding: 7px 11px;
  border-radius: 999px;
}
.lt button.active {
  color: #210809;
  background: linear-gradient(135deg, #ff756c, #ffd36f);
}
.hero {
  max-width: 1180px;
  margin: 0 auto;
  padding: 52px 20px 26px;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(340px, 0.98fr);
  gap: 26px;
  align-items: stretch;
}
.hero-copy,
.hero-stage,
.section-card,
.legal-box,
.notice,
.contact-card,
.faq-card,
.side-card {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}
.hero-copy {
  border-radius: 26px;
  padding: 34px;
  overflow: hidden;
  position: relative;
}
.hero-copy::after {
  content: "";
  position: absolute;
  right: -86px;
  bottom: -92px;
  width: 250px;
  height: 250px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(255, 75, 72, 0.22), transparent 66%);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  margin-bottom: 18px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #19080a;
  background: linear-gradient(135deg, #ff756c, #ffd36f);
}
.hero h1 {
  max-width: 700px;
  font-size: clamp(38px, 6.2vw, 68px);
  line-height: 1.07;
  margin-bottom: 16px;
}
.hero h1 span { color: #ff8a79; }
.lead {
  max-width: 660px;
  color: var(--muted);
  font-size: 18px;
  margin-bottom: 22px;
}
.hero-pills,
.platform-row,
.badge-row,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.hero-pills { margin-bottom: 24px; }
.hero-pills span,
.pill {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 7px 13px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  color: #fff;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.09);
}
.pill.android { color: #baf8c1; }
.pill.ios { color: #dce7ff; }
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}
.btn,
.email-btn,
.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 900;
  padding: 11px 20px;
  border-radius: 14px;
  transition: transform 0.18s ease, background 0.18s ease;
}
.btn:hover,
.email-btn:hover,
.ghost-btn:hover { transform: translateY(-1px); }
.btn-primary,
.email-btn {
  color: #230909;
  background: linear-gradient(135deg, #ff756c, #ffd36f);
}
.btn-secondary,
.ghost-btn {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.06);
}
.hero-note,
.meta,
.footer-copy,
.contact-hours {
  color: rgba(255, 255, 255, 0.56);
  font-size: 13px;
}
.hero-stage {
  border-radius: 26px;
  padding: 22px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(16, 25, 40, 0.94), rgba(7, 12, 20, 0.94)),
    radial-gradient(circle at top, rgba(255, 75, 72, 0.16), transparent 42%);
}
.machine-frame {
  position: relative;
  min-height: 520px;
  border-radius: 24px;
  overflow: hidden;
  background: #07101d;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.machine-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
}
.devil {
  position: absolute;
  z-index: 4;
  width: min(58%, 330px);
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  filter: drop-shadow(0 18px 30px rgba(0, 0, 0, 0.45));
}
.screen-panel {
  position: absolute;
  z-index: 3;
  left: 7%;
  right: 7%;
  bottom: 24px;
  padding: 20px;
  border-radius: 22px;
  background: rgba(6, 10, 17, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.screen-panel h2 {
  font-size: 19px;
  color: #fff;
  margin-bottom: 6px;
}
.screen-panel p {
  color: var(--muted);
  font-size: 14px;
}
.light-ring {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
  margin: 16px 0;
}
.tile {
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(193, 208, 224, 0.9));
  border: 2px solid #0b274b;
  box-shadow: inset 0 -6px 14px rgba(0, 0, 0, 0.12);
}
.tile img {
  width: 74%;
  height: 74%;
  object-fit: contain;
}
.tile.hot {
  outline: 3px solid #ff7f12;
  box-shadow: 0 0 20px rgba(255, 127, 18, 0.48), inset 0 -6px 14px rgba(0, 0, 0, 0.12);
}
.machine-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}
.stat {
  padding: 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.stat strong {
  display: block;
  color: #fff;
  font-size: 20px;
  line-height: 1.2;
}
.stat span {
  color: var(--muted);
  font-size: 12px;
}
.main-wrap,
.container,
.page-head,
.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}
.main-wrap { padding-top: 16px; padding-bottom: 72px; }
.page-head { padding-top: 46px; padding-bottom: 18px; }
.crumb {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 12px;
}
.crumb a {
  text-decoration: none;
  color: rgba(255, 255, 255, 0.68);
}
.page-head h1 {
  font-size: clamp(32px, 5vw, 54px);
  line-height: 1.08;
  margin-bottom: 10px;
}
.page-head p {
  max-width: 780px;
  color: var(--muted);
  font-size: 16px;
}
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
  margin: 24px 0 18px;
}
.section-head h2 {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.12;
}
.section-head p {
  max-width: 540px;
  color: var(--muted);
  font-size: 15px;
}
.grid-3,
.duo-grid,
.faq-grid,
.story-grid {
  display: grid;
  gap: 18px;
}
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.duo-grid,
.faq-grid,
.story-grid { grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.95fr); }
.section-card,
.legal-box,
.faq-card,
.side-card {
  border-radius: 24px;
  padding: 24px;
}
.section-card h3,
.legal-box h3,
.faq-card h2,
.side-card h2,
.contact-card h2 {
  color: #fff;
  margin-bottom: 10px;
}
.section-card h3 { font-size: 20px; }
.section-card p,
.legal-box p,
.legal-box li,
.faq-a,
.side-card p,
.side-card li,
.contact-card p,
.notice span {
  color: var(--muted);
  font-size: 15px;
}
.icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(255, 75, 72, 0.18), rgba(103, 220, 227, 0.12));
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-weight: 900;
}
.badge-row {
  margin-top: 14px;
  align-items: center;
}
.badge-row img {
  width: 58px;
  height: 58px;
  object-fit: contain;
  filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.28));
}
.flow-list { display: grid; gap: 14px; }
.flow-step {
  position: relative;
  padding: 18px 18px 18px 62px;
  border-radius: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.flow-step::before {
  content: attr(data-step);
  position: absolute;
  top: 18px;
  left: 18px;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #230909;
  background: linear-gradient(135deg, #ff756c, #ffd36f);
  font-size: 13px;
  font-weight: 900;
}
.notice {
  border-radius: 22px;
  padding: 22px 24px;
  margin-bottom: 18px;
}
.notice strong {
  display: block;
  margin-bottom: 8px;
  color: #ffb1a7;
  font-size: 18px;
}
.contact-card {
  border-radius: 26px;
  padding: 28px;
  margin-bottom: 18px;
  background:
    linear-gradient(135deg, rgba(28, 18, 26, 0.95), rgba(9, 15, 25, 0.95)),
    radial-gradient(circle at top right, rgba(255, 75, 72, 0.16), transparent 38%);
}
.platform-row { margin: 10px 0 16px; }
.faq-item {
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.faq-item:first-of-type { padding-top: 0; }
.faq-item:last-of-type { border-bottom: 0; padding-bottom: 0; }
.faq-q {
  color: #fff;
  font-size: 17px;
  font-weight: 900;
  margin-bottom: 7px;
}
.tip-list {
  display: grid;
  gap: 12px;
}
.tip {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.07);
}
.tip strong {
  display: block;
  margin-bottom: 5px;
  color: #fff;
}
table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: 16px;
  margin-top: 12px;
}
th, td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 14px;
}
th {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}
td { color: var(--muted); }
tr:last-child td { border-bottom: 0; }
.tag {
  display: inline-flex;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  background: rgba(103, 220, 227, 0.16);
  color: #c4fbff;
}
footer {
  padding: 28px 20px 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-left: 0;
  padding-right: 0;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.footer-links a {
  text-decoration: none;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}
.footer-links a:hover { color: #fff; }
@media (max-width: 980px) {
  .hero,
  .grid-3,
  .duo-grid,
  .faq-grid,
  .story-grid {
    grid-template-columns: 1fr;
  }
  .machine-frame { min-height: 500px; }
}
@media (max-width: 720px) {
  nav { align-items: flex-start; }
  .hero { padding-top: 28px; }
  .hero-copy,
  .hero-stage,
  .section-card,
  .legal-box,
  .notice,
  .contact-card,
  .faq-card,
  .side-card {
    padding: 20px;
    border-radius: 20px;
  }
  .lead { font-size: 16px; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .machine-frame { min-height: 460px; }
  .devil { width: min(70%, 300px); }
  .screen-panel { left: 5%; right: 5%; padding: 16px; }
  .machine-stats { grid-template-columns: 1fr; }
  th, td { padding: 10px 11px; }
}