:root {
  --bg: #080916;
  --card: rgba(255, 255, 255, .08);
  --card-strong: rgba(255, 255, 255, .13);
  --text: #f7f8ff;
  --muted: #a9b0d2;
  --line: rgba(255, 255, 255, .13);
  --gold: #ffd36b;
  --pink: #ff4fd8;
  --blue: #55a7ff;
  --purple: #7c5cff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 20% 10%, rgba(124, 92, 255, .36), transparent 28%),
    radial-gradient(circle at 82% 18%, rgba(255, 79, 216, .24), transparent 26%),
    linear-gradient(135deg, #070815 0%, #121332 48%, #090a18 100%);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
.hidden { display: none !important; }

.bg-orb {
  position: fixed;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  filter: blur(20px);
  opacity: .45;
  pointer-events: none;
}
.orb-a { left: -120px; top: 220px; background: rgba(85, 167, 255, .25); }
.orb-b { right: -120px; bottom: 120px; background: rgba(255, 211, 107, .18); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 18px clamp(18px, 5vw, 70px);
  background: rgba(8, 9, 22, .72);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}
.brand-logo {
  display: block;
  width: 46px;
  height: 46px;
  border-radius: 15px;
  object-fit: cover;
  box-shadow: 0 12px 30px rgba(255, 79, 216, .22);
}
.brand strong { display: block; font-size: 22px; letter-spacing: .08em; }
.brand em { display: block; color: var(--muted); font-size: 10px; font-style: normal; letter-spacing: .18em; margin-top: 2px; }

.nav {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex: 1;
  color: var(--muted);
  font-size: 15px;
}
.nav a:hover, .nav-register-btn:hover { color: var(--gold); }
.nav-register-btn {
  border: 0;
  padding: 0;
  background: none;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.header-btn, .btn, .store-btn {
  border: 1px solid rgba(255, 211, 107, .45);
  border-radius: 999px;
  color: var(--text);
  background: rgba(255, 255, 255, .08);
  transition: .18s ease;
}
.header-btn {
  padding: 10px 18px;
  color: var(--gold);
  min-width: max-content;
}
.header-btn:hover, .btn:hover, .store-btn:hover {
  transform: translateY(-2px);
  border-color: var(--gold);
  box-shadow: 0 14px 30px rgba(255, 211, 107, .14);
}

.section {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 90px 0;
  position: relative;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(330px, .72fr);
  gap: 58px;
  align-items: center;
  min-height: calc(100vh - 84px);
}
.eyebrow {
  color: var(--gold);
  font-size: 13px;
  letter-spacing: .22em;
  font-weight: 800;
  text-transform: uppercase;
  margin: 0 0 16px;
}
.hero h1 {
  margin: 0;
  font-size: clamp(42px, 7vw, 86px);
  line-height: 1.04;
  letter-spacing: -.06em;
}
.hero-desc {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.85;
  max-width: 700px;
  margin: 24px 0 0;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 34px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  font-weight: 800;
}
.btn.primary {
  color: #160816;
  background: linear-gradient(135deg, var(--gold), #ff9eea);
}
.btn.ghost { color: var(--gold); }

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 36px;
  max-width: 580px;
}
.stats div {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--card);
}
.stats strong { display: block; color: var(--gold); font-size: 24px; }
.stats span { display: block; color: var(--muted); font-size: 13px; margin-top: 4px; }

.phone-card {
  display: grid;
  place-items: center;
  min-height: 560px;
  border: 1px solid var(--line);
  border-radius: 42px;
  background:
    linear-gradient(160deg, rgba(255,255,255,.16), rgba(255,255,255,.04)),
    radial-gradient(circle at 50% 8%, rgba(255, 211, 107, .28), transparent 34%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.18), 0 34px 80px rgba(0,0,0,.25);
}
.phone {
  width: 275px;
  height: 535px;
  border: 10px solid #151525;
  border-radius: 38px;
  background: #0d0e20;
  padding: 18px;
  box-shadow: 0 28px 60px rgba(0,0,0,.38);
}
.phone-top {
  width: 74px;
  height: 6px;
  border-radius: 999px;
  margin: 0 auto 18px;
  background: rgba(255,255,255,.22);
}
.app-preview-img {
  display: block;
  width: 100%;
  height: calc(100% - 24px);
  object-fit: cover;
  border-radius: 24px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.12);
}
.app-screen {
  height: calc(100% - 24px);
  border-radius: 24px;
  padding: 18px;
  background:
    linear-gradient(180deg, rgba(124,92,255,.45), rgba(255,79,216,.18)),
    #111327;
}
.screen-logo {
  color: var(--gold);
  font-weight: 900;
  font-size: 28px;
  letter-spacing: .12em;
}
.video-card.large {
  height: 230px;
  margin-top: 20px;
  border-radius: 22px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.15), rgba(255,255,255,.02)),
    radial-gradient(circle at 50% 36%, rgba(255,211,107,.46), transparent 26%);
}
.video-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 12px;
}
.video-row div {
  height: 82px;
  border-radius: 18px;
  background: rgba(255,255,255,.1);
}
.coin-strip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 16px;
  padding: 14px;
  border-radius: 18px;
  background: rgba(0,0,0,.22);
}
.coin-strip span { color: var(--muted); font-size: 13px; }
.coin-strip strong { color: var(--gold); }

.section-head h2, .app-cta h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.15;
}
.about {
  max-width: 900px;
  text-align: center;
}
.about p, .app-cta p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.9;
}

.features .grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}
.feature-card {
  min-height: 240px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--card);
}
.feature-card span { color: var(--gold); font-weight: 900; }
.feature-card h3 { margin: 22px 0 12px; font-size: 24px; }
.feature-card p { color: var(--muted); line-height: 1.75; margin: 0; }

.app-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 32px;
  align-items: center;
  padding: 44px;
  border: 1px solid var(--line);
  border-radius: 34px;
  background: linear-gradient(135deg, rgba(124,92,255,.22), rgba(255,79,216,.12));
}
.download-panel {
  display: grid;
  gap: 12px;
}
.store-btn {
  min-height: 52px;
  padding: 0 18px;
  color: var(--gold);
  font-weight: 900;
  font-size: 15px;
  cursor: pointer;
  text-align: center;
}
.launch-cta {
  text-align: center;
}
.launch-copy p {
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}
.countdown-panel {
  justify-items: center;
  text-align: center;
}
.countdown-title {
  color: var(--muted);
  font-size: 15px;
  letter-spacing: .12em;
}
.countdown {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  width: 100%;
}
.countdown div {
  min-height: 86px;
  display: grid;
  place-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255,255,255,.08);
}
.countdown strong {
  color: var(--gold);
  font-size: 34px;
  line-height: 1;
}
.countdown span {
  color: var(--muted);
  font-size: 13px;
}

.register-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  gap: 34px;
  align-items: center;
}
.register-section p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.9;
}
.register-card, .modal {
  border: 1px solid var(--line);
  border-radius: 30px;
  background: rgba(255,255,255,.09);
  box-shadow: 0 34px 80px rgba(0,0,0,.25);
  backdrop-filter: blur(18px);
}
.register-card {
  display: grid;
  gap: 12px;
  padding: 28px;
}
.register-card label, .modal label {
  color: var(--gold);
  font-size: 14px;
  font-weight: 800;
}
input {
  width: 100%;
  min-height: 50px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(0,0,0,.22);
  color: var(--text);
  padding: 0 16px;
  outline: none;
  font-size: 15px;
}
input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 4px rgba(255,211,107,.12);
}
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(0,0,0,.62);
}
.modal {
  position: relative;
  width: min(560px, 100%);
  padding: 34px;
}
.modal h2 {
  margin: 0 0 10px;
  font-size: 34px;
}
.modal-desc, .form-tip, .register-result p {
  color: var(--muted);
  line-height: 1.7;
}
.modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  z-index: 5;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  color: var(--text);
  cursor: pointer;
  pointer-events: auto;
}
.input-row, .invite-copy-row {
  display: grid;
  grid-template-columns: 1fr 130px;
  gap: 10px;
}
.input-row button, .invite-copy-row button, .contact-links button {
  border: 1px solid rgba(255, 211, 107, .45);
  border-radius: 16px;
  background: rgba(255,255,255,.08);
  color: var(--gold);
  font-weight: 900;
  cursor: pointer;
}
.modal-submit {
  width: 100%;
  margin-top: 18px;
}
.register-result {
  margin-top: 18px;
  padding: 18px;
  border: 1px solid rgba(85,255,210,.28);
  border-radius: 20px;
  background: rgba(85,255,210,.08);
}
.register-result strong, .form-tip.ok {
  color: #55ffd2;
}

.contact { text-align: center; }
.contact-links {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}
.contact-links a {
  padding: 12px 24px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--gold);
  background: var(--card);
}
.contract-box {
  width: min(760px, 100%);
  margin: 22px auto 0;
  padding: 14px 16px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  border: 1px solid rgba(255, 211, 107, .36);
  border-radius: 22px;
  background:
    linear-gradient(135deg, rgba(255, 211, 107, .12), rgba(255, 158, 234, .08)),
    rgba(255,255,255,.06);
  box-shadow: 0 20px 50px rgba(0,0,0,.22), inset 0 1px 0 rgba(255,255,255,.10);
}
.contract-box span {
  color: var(--gold);
  font-weight: 900;
  white-space: nowrap;
}
.contract-box strong {
  color: var(--text);
  font-size: 14px;
  letter-spacing: .02em;
  word-break: break-all;
}
.contract-box button {
  padding: 10px 18px;
  border: 1px solid rgba(255, 211, 107, .55);
  border-radius: 999px;
  color: #1b102d;
  background: var(--gold);
  font-weight: 900;
  cursor: pointer;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(18px, 5vw, 70px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 900px) {
  .site-header { flex-wrap: wrap; }
  .nav { order: 3; width: 100%; justify-content: flex-start; overflow-x: auto; padding-bottom: 4px; }
  .hero { grid-template-columns: 1fr; padding-top: 64px; }
  .phone-card { min-height: 480px; }
  .features .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .app-cta { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .section { width: min(100% - 28px, 1180px); padding: 62px 0; }
  .stats, .features .grid { grid-template-columns: 1fr; }
  .app-cta { padding: 28px; }
  .footer { flex-direction: column; }
}