:root {
  --bg: #070b12;
  --bg-alt: #0d1420;
  --card: rgba(18, 28, 42, 0.88);
  --text: #eef3fb;
  --muted: #9fb0c8;
  --accent: #4f9cf9;
  --accent-2: #22d3ee;
  --accent-hover: #3b82f6;
  --glow: rgba(79, 156, 249, 0.35);
  --border: rgba(120, 150, 190, 0.22);
  --radius: 16px;
  --max: 1120px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}

a {
  color: #93d4ff;
}

.bg-tiles {
  position: fixed;
  inset: 0;
  z-index: -2;
  opacity: 0.14;
  background-image:
    linear-gradient(30deg, #1a2a40 12%, transparent 12.5%, transparent 87%, #1a2a40 87.5%, #1a2a40),
    linear-gradient(150deg, #1a2a40 12%, transparent 12.5%, transparent 87%, #1a2a40 87.5%, #1a2a40),
    linear-gradient(30deg, #1a2a40 12%, transparent 12.5%, transparent 87%, #1a2a40 87.5%, #1a2a40),
    linear-gradient(150deg, #1a2a40 12%, transparent 12.5%, transparent 87%, #1a2a40 87.5%, #1a2a40);
  background-size: 48px 84px;
  background-position: 0 0, 0 0, 24px 42px, 24px 42px;
  pointer-events: none;
}

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(7, 11, 18, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 68px;
}

.logo {
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.04em;
}

.logo span {
  color: var(--accent-2);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 1.1rem;
  margin-left: auto;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
}

.nav a:hover {
  color: var(--text);
}

.header-cta {
  margin-left: 0.5rem;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 0.35rem 0.6rem;
  cursor: pointer;
}

.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 19;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  flex-wrap: wrap;
  padding: 0.65rem 1rem;
  background: rgba(8, 14, 24, 0.95);
  border-top: 1px solid var(--border);
  transform: translateY(100%);
  transition: transform 0.25s ease;
}

.sticky-cta.visible {
  transform: translateY(0);
}

.sticky-cta span {
  color: var(--muted);
  font-size: 0.9rem;
}

.hero {
  position: relative;
  min-height: clamp(420px, 72vh, 640px);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.03);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(7, 11, 18, 0.92) 0%, rgba(7, 11, 18, 0.72) 45%, rgba(7, 11, 18, 0.55) 100%),
    linear-gradient(180deg, transparent 50%, var(--bg) 100%);
}

.hero-content {
  position: relative;
  padding: 4.5rem 0 3rem;
  max-width: 680px;
}

.badge {
  display: inline-block;
  margin: 0 0 1rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 36, 0.7);
  color: var(--accent-2);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 5vw, 3.1rem);
  line-height: 1.1;
  text-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
}

.lead {
  color: #c5d3e8;
  font-size: 1.08rem;
  margin: 0 0 1.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 0.92rem;
}

.hero-trust li::before {
  content: "✓ ";
  color: var(--accent-2);
}

.hero-trial {
  margin: -0.75rem 0 1.25rem;
  padding: 0.55rem 0.85rem;
  border-radius: 10px;
  border: 1px solid rgba(34, 211, 238, 0.35);
  background: rgba(34, 211, 238, 0.08);
  color: #b8f4ff;
  font-size: 0.95rem;
}

.trust-bar {
  background: rgba(13, 20, 32, 0.9);
  border-bottom: 1px solid var(--border);
  padding: 0.85rem 0;
}

.trust-bar-inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem 1rem;
}

.trust-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.trust-item strong {
  color: var(--text);
  font-size: 0.95rem;
}

.seo-pages-link {
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.section-referral {
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.referral-panel {
  text-align: center;
  background: linear-gradient(135deg, rgba(79, 156, 249, 0.12), rgba(34, 211, 238, 0.06));
  border: 1px solid rgba(79, 156, 249, 0.35);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
}

.referral-panel h2 {
  margin: 0 0 0.75rem;
}

.referral-panel p {
  color: var(--muted);
  max-width: 40rem;
  margin: 0 auto 1.25rem;
}

.download-meta {
  color: var(--muted);
  margin: 0 0 1.25rem;
}

.game-client-box {
  max-width: 32rem;
  margin: 0 auto 1.25rem;
  padding: 1rem 1.1rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.2);
  text-align: left;
}

.game-client-box p {
  margin: 0 0 0.75rem;
  color: var(--muted);
  font-size: 0.94rem;
}

.download-notes {
  text-align: left;
  max-width: 32rem;
  margin: 1.25rem auto 0;
  padding-left: 1.2rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.download-notes li + li {
  margin-top: 0.45rem;
}

.download-mirror {
  margin: 1rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.seo-page .seo-main {
  min-height: 60vh;
}

.seo-wrap {
  max-width: 42rem;
}

.seo-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.seo-screenshot {
  margin-top: 1.5rem;
  max-width: 420px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.72rem 1.3rem;
  border-radius: 12px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #2563eb);
  color: #fff;
  box-shadow: 0 8px 28px var(--glow);
}

.btn-glow {
  background: rgba(34, 211, 238, 0.12);
  border-color: rgba(34, 211, 238, 0.45);
  color: #b8f4ff;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border);
  color: var(--text);
}

.btn-sm {
  padding: 0.5rem 0.95rem;
  font-size: 0.88rem;
}

.btn-lg {
  padding: 0.95rem 1.6rem;
  font-size: 1.05rem;
}

.btn-disabled {
  opacity: 0.55;
  pointer-events: none;
}

.funnel-bar {
  background: var(--bg-alt);
  border-block: 1px solid var(--border);
  padding: 1rem 0;
}

.funnel-steps {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem 0.75rem;
}

.funnel-step {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.funnel-step span {
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(79, 156, 249, 0.2);
  color: var(--accent-2);
  font-size: 0.8rem;
  font-weight: 700;
}

.funnel-arrow {
  color: #4b5f78;
  font-size: 0.85rem;
}

.section {
  padding: 4rem 0;
  position: relative;
}

.section-alt {
  background: rgba(13, 20, 32, 0.65);
}

.section h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.section-lead {
  color: var(--muted);
  margin: 0 0 1.5rem;
  max-width: 42rem;
}

.section-lead.center {
  text-align: center;
  margin-inline: auto;
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
}

.check-list {
  margin: 0 0 1.5rem;
  padding-left: 1.2rem;
  color: var(--muted);
}

.check-list li + li {
  margin-top: 0.5rem;
}

.highlight-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.highlight-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.highlight-card-wide {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
}

.highlight-icon {
  font-size: 1.6rem;
  display: block;
  margin-bottom: 0.35rem;
}

.highlight-card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
}

.highlight-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.showcase-figure {
  margin: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.showcase-figure img {
  display: block;
  width: 100%;
  height: auto;
  vertical-align: middle;
}

.showcase-figure figcaption {
  padding: 0.85rem 1rem;
  font-size: 0.88rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

.card-accent {
  border-color: rgba(79, 156, 249, 0.45);
  background: linear-gradient(180deg, rgba(79, 156, 249, 0.1), var(--card));
}

.section-features {
  overflow: hidden;
}

.features-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.22;
}

.section-features .wrap {
  position: relative;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  backdrop-filter: blur(6px);
}

.card-icon {
  font-size: 1.7rem;
  display: block;
  margin-bottom: 0.45rem;
}

.card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.08rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.section-cta-mid {
  padding: 2.5rem 0;
}

.cta-panel,
.download-panel {
  text-align: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
}

.cta-panel p,
.download-soon {
  color: var(--muted);
  max-width: 36rem;
  margin: 0 auto 1.25rem;
}

.cta-actions,
.download-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps-grid li {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1rem 1.1rem 1.1rem;
  color: var(--muted);
}

.steps-grid strong {
  color: var(--text);
  display: block;
  margin-bottom: 0.35rem;
}

.wiki-link {
  margin-top: 1.25rem;
  color: var(--muted);
}

.download-hint {
  margin: 1.25rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.faq dt {
  font-weight: 600;
  margin-top: 1.1rem;
}

.faq dt:first-child {
  margin-top: 0;
}

.faq dd {
  margin: 0.35rem 0 0;
  color: var(--muted);
}

.final-cta {
  text-align: center;
  padding-bottom: 5rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0 5rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.footer-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.disclaimer {
  font-size: 0.78rem;
  max-width: 40rem;
  margin: 0 auto;
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 1.2rem;
}

.seo-keywords {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 860px) {
  .split {
    grid-template-columns: 1fr;
  }

  .showcase-grid {
    display: flex;
    flex-direction: column;
  }

  .showcase-figure--tg {
    order: 1;
  }

  .showcase-figure--pc {
    order: 2;
  }

  .trust-bar-inner {
    grid-template-columns: repeat(2, 1fr);
  }

  .header-cta {
    display: none;
  }

  .nav-toggle {
    display: block;
    margin-left: auto;
  }

  .nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    padding: 1rem;
    margin: 0;
  }

  .nav.open {
    display: flex;
  }
}