:root {
  --bg: #090a0d;
  --bg-2: #101218;
  --bg-3: #171a22;
  --card: #1b1f29;
  --line: rgba(255, 255, 255, 0.08);
  --text: #f3f5f8;
  --muted: #9aa3b4;
  --green: #3ee07f;
  --green-2: #2bb866;
  --green-soft: rgba(62, 224, 127, 0.14);
  --gold: #e0b84a;
  --gold-soft: rgba(224, 184, 74, 0.12);
  --red: #c62828;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  --radius: 16px;
  --max: 1180px;
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(198, 40, 40, 0.16), transparent 60%),
    radial-gradient(900px 400px at 10% 0%, rgba(62, 224, 127, 0.08), transparent 55%),
    var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  min-height: 100vh;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

#ads img {
  max-width: 65px;
  width: 65px;
  height: 65px;
  object-fit: contain;
}

a {
  color: var(--green);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.skip {
  position: absolute;
  left: -999px;
  top: 8px;
  background: var(--green);
  color: #07140c;
  padding: 8px 14px;
  border-radius: 8px;
  z-index: 100;
}

.skip:focus {
  left: 8px;
}

.age-bar {
  background: #0d0f14;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}

.age-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  min-height: 36px;
}

.age-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #ffb4b4;
  font-weight: 700;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(9, 10, 13, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.brand:hover {
  text-decoration: none;
  color: var(--green);
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  object-fit: cover;
}

.nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav a {
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
}

.nav a:hover,
.nav a.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  text-decoration: none;
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: var(--bg-3);
  color: var(--text);
  border-radius: 12px;
  cursor: pointer;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 12px;
  font-weight: 800;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

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

.btn-primary {
  background: linear-gradient(180deg, #5af196, var(--green));
  color: #07140c;
  box-shadow: 0 10px 24px rgba(62, 224, 127, 0.25);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}

.btn-gold {
  background: linear-gradient(180deg, #f3d078, var(--gold));
  color: #2a1d00;
}

.hero {
  padding: 56px 0 28px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.h1 {
  margin: 12px 0 16px;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.18;
  letter-spacing: 0.02em;
}

.lead {
  color: var(--muted);
  font-size: 18px;
  margin: 0 0 24px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.stat {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
}

.stat b {
  display: block;
  font-size: 22px;
  color: var(--green);
}

.stat span {
  color: var(--muted);
  font-size: 13px;
}

.phone-frame {
  background: linear-gradient(180deg, #232833, #14171e);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 12px;
  box-shadow: var(--shadow);
}

.phone-frame img {
  border-radius: 18px;
  aspect-ratio: 9 / 19;
  object-fit: cover;
  width: 100%;
  max-height: 640px;
}

.section {
  padding: 56px 0;
}

.section-head {
  max-width: 760px;
  margin-bottom: 28px;
}

.section-head h2,
.prose h2,
.page-body h2 {
  margin: 0 0 12px;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.25;
}

.section-head p,
.muted {
  color: var(--muted);
}

.grid-2,
.grid-3,
.grid-4,
.grid-5 {
  display: grid;
  gap: 18px;
}

.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.card-body {
  padding: 18px 18px 20px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.shot {
  aspect-ratio: 9 / 16;
  object-fit: cover;
  width: 100%;
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
  margin-bottom: 42px;
}

.feature-row.reverse {
  direction: rtl;
}

.feature-row.reverse > * {
  direction: ltr;
}

.feature-copy h3 {
  margin: 0 0 10px;
  font-size: 26px;
}

.feature-copy p {
  color: #c5ccd8;
  margin: 0 0 12px;
}

.feature-copy ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.shot-card {
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-3);
  box-shadow: var(--shadow);
}

.shot-card img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  max-height: 560px;
}

.vip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.vip-item {
  background: var(--gold-soft);
  border: 1px solid rgba(224, 184, 74, 0.22);
  border-radius: 14px;
  padding: 16px;
}

.vip-item strong {
  display: block;
  color: var(--gold);
  margin-bottom: 6px;
}

.vip-item span {
  color: var(--muted);
  font-size: 14px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.step {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  position: relative;
}

.step em {
  display: inline-flex;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  background: var(--green-soft);
  color: var(--green);
  font-style: normal;
  font-weight: 800;
  margin-bottom: 12px;
}

.faq details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 18px;
  margin-bottom: 10px;
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
}

.faq details p {
  color: var(--muted);
  margin: 10px 0 0;
}

.prose,
.page-body {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 32px 36px 40px;
}

.prose p,
.page-body p {
  color: #d5dbe6;
  margin: 0 0 16px;
}

.prose h2,
.page-body h2 {
  margin-top: 28px;
}

.prose h3,
.page-body h3 {
  margin: 22px 0 10px;
  font-size: 20px;
}

.prose ul,
.page-body ul,
.prose ol,
.page-body ol {
  color: #d5dbe6;
}

.links-box {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.links-box a {
  background: var(--bg-3);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14px;
}

.links-box a:hover {
  border-color: var(--green);
  color: var(--green);
  text-decoration: none;
}

.page-hero {
  padding: 36px 0 8px;
}

.breadcrumb {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 10px;
}

.breadcrumb a {
  color: var(--muted);
}

.site-footer {
  margin-top: 40px;
  border-top: 1px solid var(--line);
  background: #07080b;
  padding: 36px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 28px;
  margin-bottom: 24px;
}

.footer-brand {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.footer-brand img {
  width: 48px;
  height: 48px;
  border-radius: 12px;
}

.footer-brand p,
.site-footer p,
.site-footer li {
  color: var(--muted);
  font-size: 14px;
}

.site-footer h4 {
  margin: 0 0 12px;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-footer li {
  margin: 0 0 8px;
}

.copyright {
  border-top: 1px solid var(--line);
  padding-top: 16px;
  font-size: 13px;
  color: #7e8796;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.error-wrap {
  min-height: calc(100vh - 180px);
  display: grid;
  place-items: center;
  padding: 60px 0;
  text-align: center;
}

.error-wrap h1 {
  font-size: clamp(64px, 12vw, 120px);
  margin: 0;
  color: var(--green);
  line-height: 1;
}

.error-wrap h2 {
  margin: 8px 0 12px;
}

.error-wrap p {
  color: var(--muted);
  max-width: 520px;
  margin: 0 auto 22px;
}

.notice {
  background: var(--green-soft);
  border: 1px solid rgba(62, 224, 127, 0.28);
  color: #d9ffe8;
  border-radius: 14px;
  padding: 14px 16px;
  margin: 18px 0;
}

.download-panel {
  background: linear-gradient(180deg, #1a221c, #12151c);
  border: 1px solid rgba(62, 224, 127, 0.25);
  border-radius: 20px;
  padding: 28px;
}

@media (max-width: 980px) {
  .hero-grid,
  .feature-row,
  .feature-row.reverse,
  .footer-grid,
  .grid-4,
  .grid-5,
  .vip-grid,
  .steps {
    grid-template-columns: 1fr 1fr;
    direction: ltr;
  }

  .grid-3 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .container {
    width: min(100% - 28px, var(--max));
  }

  .menu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .header-cta .btn {
    display: none;
  }

  .nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    z-index: 60;
    background: #101218;
    border-bottom: 1px solid var(--line);
    padding: 10px 14px 16px;
    flex-direction: column;
    align-items: stretch;
  }

  .nav.open {
    display: flex;
  }

  .nav a {
    padding: 12px 10px;
  }

  .hero,
  .section {
    padding: 36px 0;
  }

  .hero-grid,
  .feature-row,
  .footer-grid,
  .grid-2,
  .grid-3,
  .grid-4,
  .grid-5,
  .vip-grid,
  .steps,
  .stats {
    grid-template-columns: 1fr;
  }

  .h1 {
    font-size: 30px;
  }

  .lead {
    font-size: 16px;
  }

  .prose,
  .page-body {
    padding: 20px 18px 28px;
  }

  .phone-frame {
    max-width: 320px;
    margin: 0 auto;
  }

  .age-bar .container {
    font-size: 12px;
  }

  .copyright {
    flex-direction: column;
  }
}