* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-main: #060914;
  --bg-secondary: #0b1020;
  --panel: rgba(15, 21, 40, 0.78);
  --panel-strong: rgba(20, 28, 52, 0.92);
  --line: rgba(117, 255, 214, 0.16);
  --line-strong: rgba(106, 220, 255, 0.24);
  --text-main: #f4f8ff;
  --text-soft: #b9c6de;
  --text-dim: #7f8cab;
  --cyan: #72e8ff;
  --emerald: #73ffd7;
  --violet: #8f79ff;
  --mint: #a8ffe7;
  --btn-text: #04111a;
  --shadow-lg: 0 22px 50px rgba(0, 0, 0, 0.34);
  --shadow-md: 0 14px 30px rgba(0, 0, 0, 0.25);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 18px;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text-main);
  background:
    radial-gradient(circle at 15% 10%, rgba(115, 255, 215, 0.14), transparent 24%),
    radial-gradient(circle at 85% 20%, rgba(114, 232, 255, 0.14), transparent 24%),
    radial-gradient(circle at 50% 100%, rgba(143, 121, 255, 0.14), transparent 30%),
    linear-gradient(180deg, #0b1020 0%, #060914 100%);
  overflow-x: hidden;
}

.page-shell {
  position: relative;
  width: 100%;
  max-width: 460px;
  margin: 0 auto;
  padding: 20px 14px 120px;
}

.ambient {
  position: fixed;
  z-index: 0;
  pointer-events: none;
  filter: blur(12px);
  opacity: 0.65;
}

.ambient-a {
  top: 64px;
  left: -42px;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(115,255,215,0.22), transparent 70%);
}

.ambient-b {
  right: -44px;
  bottom: 140px;
  width: 170px;
  height: 170px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(143,121,255,0.22), transparent 72%);
}

.hero-card,
.highlight-grid,
.info-panel,
.site-footer {
  position: relative;
  z-index: 1;
}

.hero-card {
  padding: 22px 18px 20px;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02)),
    linear-gradient(135deg, rgba(13, 20, 38, 0.96), rgba(8, 13, 28, 0.96));
  border: 1px solid rgba(114, 232, 255, 0.14);
  box-shadow:
    var(--shadow-lg),
    inset 0 1px 0 rgba(255,255,255,0.06);
  overflow: hidden;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(115,255,215,0.06), transparent 34%),
    linear-gradient(315deg, rgba(143,121,255,0.08), transparent 30%);
  pointer-events: none;
}

.hero-topline {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: 8px;
  font-size: 1.22rem;
  letter-spacing: 0.24em;
  font-weight: 800;
  color: var(--mint);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-badge {
  width: 76px;
  height: 76px;
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(114,232,255,0.18), rgba(115,255,215,0.08)),
    rgba(255,255,255,0.03);
  border: 1px solid rgba(114,232,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
  flex-shrink: 0;
}

.brand-badge img {
  width: 60px;
  height: 60px;
  object-fit: contain;
  display: block;
}

.brand-copy h1 {
  font-size: 1.95rem;
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: #ffffff;
  margin-bottom: 8px;
  text-align: center;
}

.brand-copy p {
  color: var(--text-soft);
  font-size: 0.94rem;
  line-height: 1.72;
  text-align: center;
}

.status-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 18px;
}

.status-bar span {
  text-align: center;
  padding: 11px 10px;
  border-radius: 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.05);
  color: #dbf6ff;
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1.35;
}

.hero-actions {
  margin-top: 18px;
}

.primary-action {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 54px;
  padding: 14px 18px;
  border-radius: 18px;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--btn-text);
  background: linear-gradient(135deg, var(--emerald) 0%, var(--cyan) 100%);
  box-shadow:
    0 14px 30px rgba(114, 232, 255, 0.18),
    inset 0 1px 0 rgba(255,255,255,0.45);
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.primary-action:hover,
.primary-action:active {
  transform: translateY(-1px);
  filter: brightness(1.03);
  box-shadow:
    0 18px 34px rgba(114, 232, 255, 0.22),
    inset 0 1px 0 rgba(255,255,255,0.48);
}

.highlight-grid {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.mini-card {
  padding: 18px 16px;
  border-radius: var(--radius-lg);
  background: var(--panel);
  border: 1px solid rgba(255,255,255,0.06);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(10px);
}

.mini-icon {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  font-size: 0.86rem;
  font-weight: 900;
  color: #07131b;
  background: linear-gradient(135deg, var(--emerald), var(--cyan));
}

.mini-card h2 {
  font-size: 1.04rem;
  margin-bottom: 8px;
  color: #fbfdff;
}

.mini-card p {
  color: var(--text-soft);
  font-size: 0.92rem;
  line-height: 1.7;
}

.info-panel {
  margin-top: 18px;
  padding: 22px 18px;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.015)),
    var(--panel-strong);
  border: 1px solid rgba(114, 232, 255, 0.1);
  box-shadow: var(--shadow-lg);
}

.notice-panel {
  background:
    linear-gradient(180deg, rgba(115,255,215,0.06), rgba(255,255,255,0.02)),
    rgba(12, 20, 36, 0.95);
  border: 1px solid rgba(115,255,215,0.16);
}

.panel-label {
  display: inline-block;
  margin-bottom: 12px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  color: var(--mint);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.info-panel h2 {
  font-size: 1.34rem;
  line-height: 1.35;
  margin-bottom: 12px;
  color: #fafdff;
}

.info-panel p {
  color: var(--text-soft);
  font-size: 0.96rem;
  line-height: 1.9;
  margin-bottom: 12px;
}

.feature-list {
  padding-left: 18px;
  color: var(--text-soft);
}

.feature-list li {
  margin-bottom: 8px;
  line-height: 1.8;
}

.site-footer {
  margin-top: 22px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.84rem;
  line-height: 1.8;
  padding-bottom: 8px;
}

.floating-btn-wrap {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  width: calc(100% - 28px);
  max-width: 432px;
  z-index: 9999;
  pointer-events: none;
}

.floating-btn {
  width: 100%;
  border: none;
  border-radius: 20px;
  padding: 17px 20px;
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--btn-text);
  background: linear-gradient(135deg, var(--emerald) 0%, var(--cyan) 100%);
  box-shadow:
    0 16px 34px rgba(114, 232, 255, 0.22),
    inset 0 1px 0 rgba(255,255,255,0.46);
  cursor: pointer;
  pointer-events: auto;
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.floating-btn:hover,
.floating-btn:active {
  transform: translateY(-1px);
  filter: brightness(1.03);
  box-shadow:
    0 20px 38px rgba(114, 232, 255, 0.26),
    inset 0 1px 0 rgba(255,255,255,0.5);
}

#antiViewSourceOverlay {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  background-color: #000;
  background-position: center center;
  background-repeat: no-repeat;
  background-size: contain;
  z-index: 999999999;
  display: none;
}

#antiViewSourceOverlay.show {
  display: block;
}

@media (max-width: 390px) {
  .page-shell {
    padding: 16px 12px 116px;
  }

  .hero-card,
  .info-panel {
    padding: 20px 16px;
  }

  .brand-row {
    gap: 12px;
  }

  .brand-badge {
    width: 68px;
    height: 68px;
    border-radius: 22px;
  }

  .brand-badge img {
    width: 54px;
    height: 54px;
  }

  .brand-copy h1 {
    font-size: 1.72rem;
  }

  .status-bar {
    grid-template-columns: 1fr;
  }

  .info-panel h2 {
    font-size: 1.2rem;
  }
}