:root {
  --bg: #24003f;
  --bg-deep: #16002b;
  --bg-card: rgba(60, 0, 100, .56);
  --bg-card-strong: rgba(45, 0, 82, .88);
  --cyan: #25dff5;
  --pink: #f06bea;
  --violet: #8f7bff;
  --title: #bfffff;
  --text: #ffffff;
  --text-soft: #d8c7ff;
  --text-muted: #b99ee8;
  --border: rgba(191, 255, 255, .14);
  --shadow: 0 18px 46px rgba(0, 0, 0, .32);
  --radius: 18px;
  --header-h: 74px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 12% 8%, rgba(143, 123, 255, .15), transparent 30%),
    radial-gradient(circle at 88% 20%, rgba(240, 107, 234, .13), transparent 27%),
    linear-gradient(180deg, #24003f 0%, #1d0036 48%, #16002b 100%);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 0;
}
body.drawer-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
.skip-link {
  position: fixed; left: 16px; top: -80px; z-index: 99999;
  background: #fff; color: #24003f; padding: 10px 14px; border-radius: 8px;
}
.skip-link:focus { top: 14px; }
.section-shell { width: min(1200px, calc(100% - 40px)); margin-inline: auto; }
.section { padding: 82px 0; position: relative; }
.section.compact { padding: 56px 0; }
.section-deep { background: linear-gradient(180deg, rgba(22, 0, 43, .78), rgba(45, 0, 82, .64)); }
.section-kicker {
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 8px;
  color: var(--pink); font-size: .9rem; font-weight: 700; letter-spacing: .08em;
}
.section-kicker::before { content: ""; width: 28px; height: 2px; background: linear-gradient(90deg, var(--cyan), var(--pink)); }
.section-title, h1, h2, h3 { color: var(--title); line-height: 1.28; }
.section-title { margin: 0 0 16px; font-size: clamp(1.8rem, 3vw, 2.75rem); text-shadow: 0 0 18px rgba(37, 223, 245, .2); }
.section-lead { max-width: 760px; margin: 0 0 34px; color: var(--text-soft); font-size: 1.04rem; }
.text-link { color: var(--cyan); font-weight: 700; }
.text-link:hover { color: #fff; text-shadow: 0 0 14px rgba(37, 223, 245, .65); }
.main-btn {
  position: relative; z-index: 2; display: inline-flex; align-items: center; justify-content: center;
  min-height: 46px; padding: 10px 20px; border-radius: 10px; color: #fff; font-weight: 800;
  background: linear-gradient(90deg, #21dff5 0%, #8f7bff 52%, #f06bea 100%);
  box-shadow: 0 14px 30px rgba(240, 107, 234, .26); transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
  touch-action: manipulation;
}
.main-btn:hover, .main-btn:focus-visible { transform: translateY(-2px); box-shadow: 0 18px 40px rgba(37, 223, 245, .3); filter: brightness(1.07); }
.secondary-btn {
  display: inline-flex; min-height: 44px; align-items: center; padding: 9px 18px; border: 1px solid rgba(37,223,245,.42);
  border-radius: 10px; color: var(--cyan); background: rgba(37,223,245,.08); font-weight: 700;
}
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.site-header {
  position: sticky; top: 0; width: 100%; z-index: 1000;
  background: rgba(36, 0, 63, .78); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(191, 255, 255, .1); box-shadow: 0 8px 24px rgba(0, 0, 0, .22);
}
.header-inner {
  width: min(1280px, calc(100% - 32px)); min-height: var(--header-h); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
}
.site-logo, .drawer-logo, .footer-logo { display: inline-flex; align-items: center; flex: 0 0 auto; }
.site-logo img { max-height: 46px; width: auto; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 6px; min-width: 0; }
.nav-core a { padding: 8px 11px; border-radius: 999px; color: #fff; white-space: nowrap; font-size: .95rem; transition: .2s ease; }
.nav-core a:hover, .nav-core a.active { color: var(--cyan); background: rgba(37, 223, 245, .12); }
.header-actions { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.header-btn { min-height: 42px; padding: 8px 17px; font-size: .94rem; }
.menu-toggle {
  width: 44px; height: 44px; border: 1px solid rgba(191,255,255,.18); border-radius: 11px;
  display: grid; place-content: center; gap: 5px; background: rgba(255,255,255,.05); cursor: pointer;
}
.menu-toggle span { display: block; width: 21px; height: 2px; background: #fff; border-radius: 999px; }
.menu-toggle:hover { border-color: var(--cyan); background: rgba(37,223,245,.1); }
.drawer-backdrop {
  position: fixed; inset: 0; z-index: 1200; background: rgba(7,0,14,.72); opacity: 0; visibility: hidden;
  transition: opacity .25s ease, visibility .25s ease; cursor: pointer;
}
.site-drawer {
  position: fixed; top: 0; right: 0; z-index: 1300; width: min(390px, 92vw); height: 100dvh;
  padding: 20px; background: linear-gradient(180deg, #2d0052, #16002b); border-left: 1px solid rgba(191,255,255,.16);
  box-shadow: -20px 0 60px rgba(0,0,0,.45); transform: translateX(105%); transition: transform .28s ease;
  overflow-y: auto; overscroll-behavior: contain;
}
.drawer-open .drawer-backdrop { opacity: 1; visibility: visible; }
.drawer-open .site-drawer { transform: translateX(0); }
.drawer-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 16px; border-bottom: 1px solid rgba(191,255,255,.12); }
.drawer-logo img { max-height: 44px; width: auto; }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 10px; background: rgba(255,255,255,.08); color: #fff; font-size: 1.8rem; cursor: pointer; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 18px 0; }
.drawer-nav a { padding: 11px 12px; border-radius: 10px; color: var(--text-soft); background: rgba(255,255,255,.04); border: 1px solid transparent; }
.drawer-nav a:hover { color: #fff; border-color: rgba(37,223,245,.35); background: rgba(37,223,245,.09); }
.drawer-btn { width: 100%; }
.hero {
  position: relative; min-height: min(720px, calc(100vh - var(--header-h))); display: grid; align-items: center;
  background-image: linear-gradient(90deg, rgba(22,0,43,.94) 0%, rgba(36,0,63,.72) 48%, rgba(36,0,63,.42) 100%), url('背景.webp');
  background-size: cover; background-position: center; isolation: isolate; overflow: hidden;
}
.hero::before { content: ""; position: absolute; inset: auto 0 0; height: 38%; background: linear-gradient(180deg, transparent, rgba(143,123,255,.22), #24003f); pointer-events: none; z-index: -1; }
.hero::after { content: ""; position: absolute; width: 420px; height: 420px; right: 8%; top: 12%; border-radius: 50%; background: rgba(240,107,234,.14); filter: blur(70px); pointer-events: none; z-index: -1; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr); align-items: center; gap: 56px; padding: 72px 0 92px; }
.hero-copy { position: relative; z-index: 2; }
.hero-badge { display: inline-flex; padding: 7px 12px; border: 1px solid rgba(37,223,245,.32); border-radius: 999px; color: var(--cyan); background: rgba(37,223,245,.08); font-weight: 700; }
.hero h1 { margin: 18px 0 8px; font-size: clamp(3rem, 7vw, 6rem); letter-spacing: -.04em; text-shadow: 0 0 34px rgba(37,223,245,.24); }
.hero-subtitle { margin: 0 0 18px; color: #fff; font-size: clamp(1.15rem, 2vw, 1.55rem); font-weight: 700; }
.hero-copy > p:not(.hero-subtitle) { max-width: 670px; color: var(--text-soft); font-size: 1.05rem; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; margin: 24px 0; padding: 0; list-style: none; }
.hero-points li { padding: 8px 12px; border-radius: 999px; background: rgba(255,255,255,.06); border: 1px solid rgba(191,255,255,.12); color: var(--text-soft); }
.hero-visual { position: relative; z-index: 1; }
.hero-visual img { max-height: 560px; margin: 0 auto; object-fit: contain; filter: drop-shadow(0 28px 50px rgba(0,0,0,.4)); }
.glow-strip { position: relative; z-index: 4; margin-top: -36px; }
.glow-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; padding: 14px; border-radius: 20px; background: rgba(22,0,43,.82); border: 1px solid rgba(191,255,255,.15); box-shadow: var(--shadow); backdrop-filter: blur(14px); }
.glow-item { padding: 16px; border-right: 1px solid rgba(191,255,255,.1); }
.glow-item:last-child { border-right: 0; }
.glow-item h2 { margin: 0 0 4px; font-size: 1.05rem; }
.glow-item p { margin: 0; color: var(--text-muted); font-size: .9rem; line-height: 1.55; }
.quick-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 14px; }
.quick-item, .card, .info-card, .review-card, .faq-card, .step-card, .stat-card, .game-card {
  background: var(--bg-card); border: 1px solid var(--border); box-shadow: var(--shadow); backdrop-filter: blur(10px); border-radius: var(--radius);
}
.quick-item { padding: 20px; transition: transform .2s ease, border-color .2s ease; }
.quick-item:hover { transform: translateY(-4px); border-color: rgba(37,223,245,.34); }
.quick-item h3 { margin: 0 0 8px; font-size: 1.08rem; }
.quick-item p { margin: 0 0 10px; color: var(--text-muted); font-size: .93rem; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, .92fr); gap: 48px; align-items: center; }
.split.reverse .split-media { order: -1; }
.split-copy p { color: var(--text-soft); }
.split-media img { width: 100%; max-height: 520px; object-fit: contain; border-radius: 20px; filter: drop-shadow(0 24px 46px rgba(0,0,0,.34)); }
.feature-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 24px 0 0; padding: 0; list-style: none; }
.feature-list li { position: relative; padding: 13px 14px 13px 40px; border-radius: 12px; background: rgba(255,255,255,.045); color: var(--text-soft); }
.feature-list li::before { content: "✓"; position: absolute; left: 14px; color: var(--cyan); font-weight: 900; }
.poster-banner { width: min(1040px, 100%); margin: 0 auto; }
.poster-banner img { width: 100%; border-radius: 22px; object-fit: contain; box-shadow: 0 24px 60px rgba(0,0,0,.38); border: 1px solid rgba(191,255,255,.12); }
.poster-note { max-width: 780px; margin: 16px auto 0; text-align: center; color: var(--text-soft); }
.game-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; }
.game-card { overflow: hidden; padding: 12px; transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
.game-card:hover { transform: translateY(-6px); border-color: rgba(37,223,245,.4); box-shadow: 0 22px 54px rgba(37,223,245,.12); }
.game-card img { width: 100%; aspect-ratio: 1 / 1; object-fit: contain; border-radius: 13px; background: rgba(22,0,43,.48); }
.game-card h3 { margin: 14px 4px 6px; font-size: 1rem; }
.game-card p { min-height: 48px; margin: 0 4px 14px; color: var(--text-muted); font-size: .88rem; line-height: 1.55; }
.game-card .main-btn { width: 100%; min-height: 40px; padding: 7px 10px; font-size: .88rem; }
.two-column { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.info-card { padding: 26px; }
.info-card img { width: 100%; max-height: 360px; object-fit: contain; border-radius: 16px; margin-bottom: 20px; }
.info-card h3 { margin: 0 0 12px; font-size: 1.5rem; }
.info-card p { color: var(--text-soft); }
.activity-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.activity-card { overflow: hidden; }
.activity-card img { width: 100%; max-height: 380px; object-fit: contain; background: rgba(22,0,43,.48); }
.activity-card .card-body { padding: 24px; }
.activity-card h3 { margin-top: 0; }
.activity-card p { color: var(--text-soft); }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.review-card { padding: 22px; }
.review-card p { margin: 0 0 14px; color: var(--text-soft); }
.review-card strong { color: var(--cyan); }
.faq-list { display: grid; gap: 12px; }
details.faq-card { padding: 0; overflow: hidden; }
details.faq-card summary { cursor: pointer; padding: 18px 22px; color: var(--title); font-weight: 800; list-style: none; }
details.faq-card summary::-webkit-details-marker { display: none; }
details.faq-card summary::after { content: "+"; float: right; color: var(--pink); font-size: 1.3rem; }
details.faq-card[open] summary::after { content: "−"; }
details.faq-card p { margin: 0; padding: 0 22px 20px; color: var(--text-soft); }
.notice-panel { padding: 28px; border: 1px solid rgba(240,107,234,.22); border-radius: 18px; background: linear-gradient(135deg, rgba(143,123,255,.12), rgba(240,107,234,.08)); }
.notice-panel h2 { margin-top: 0; }
.notice-panel p { margin-bottom: 0; color: var(--text-soft); }
.inner-hero { position: relative; overflow: hidden; padding: 86px 0 64px; background: linear-gradient(135deg, rgba(45,0,82,.96), rgba(74,0,127,.66)); }
.inner-hero::after { content: ""; position: absolute; width: 420px; height: 420px; right: -80px; top: -190px; border-radius: 50%; background: rgba(37,223,245,.12); filter: blur(20px); pointer-events: none; }
.inner-hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(280px, .75fr); gap: 40px; align-items: center; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 7px; color: var(--text-muted); font-size: .9rem; }
.breadcrumbs a { color: var(--cyan); }
.inner-hero h1 { margin: 14px 0 14px; font-size: clamp(2.35rem, 5vw, 4.5rem); }
.inner-hero p { max-width: 720px; color: var(--text-soft); font-size: 1.06rem; }
.inner-hero-media img { max-height: 360px; margin-inline: auto; object-fit: contain; filter: drop-shadow(0 22px 42px rgba(0,0,0,.36)); }
.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 30px; align-items: start; }
.prose-card { padding: 30px; }
.prose-card + .prose-card { margin-top: 20px; }
.prose-card h2 { margin-top: 0; font-size: 1.6rem; }
.prose-card h3 { margin: 22px 0 8px; }
.prose-card p { color: var(--text-soft); }
.prose-card ul { padding-left: 1.2em; color: var(--text-soft); }
.side-stack { position: sticky; top: calc(var(--header-h) + 20px); display: grid; gap: 16px; }
.side-card { padding: 22px; }
.side-card h2 { margin: 0 0 10px; font-size: 1.25rem; }
.side-card p { margin: 0 0 14px; color: var(--text-muted); }
.side-card .main-btn { width: 100%; }
.mini-links { display: grid; gap: 8px; }
.mini-links a { padding: 9px 10px; border-radius: 9px; background: rgba(255,255,255,.04); color: var(--text-soft); }
.mini-links a:hover { color: var(--cyan); background: rgba(37,223,245,.08); }
.cards-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.stat-card, .step-card { padding: 22px; }
.stat-card h3, .step-card h3 { margin: 0 0 9px; }
.stat-card p, .step-card p { margin: 0; color: var(--text-muted); }
.step-number { display: inline-grid; place-items: center; width: 36px; height: 36px; margin-bottom: 12px; border-radius: 50%; color: #fff; font-weight: 900; background: linear-gradient(135deg, var(--cyan), var(--violet), var(--pink)); }
.page-reviews { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.page-faq { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.page-faq .faq-card p { padding-top: 0; }
.site-footer { background: #140024; color: var(--text-soft); padding: 62px 0 20px; border-top: 1px solid rgba(191,255,255,.1); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 30px; }
.footer-brand p { max-width: 470px; color: var(--text-muted); }
.footer-logo img { max-height: 46px; width: auto; margin-bottom: 16px; }
.footer-grid h2 { margin: 0 0 14px; font-size: 1.05rem; }
.footer-grid > div:not(.footer-brand) { display: flex; flex-direction: column; gap: 8px; }
.footer-grid a { color: var(--text-soft); }
.footer-grid a:hover { color: var(--cyan); }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; margin-top: 36px; padding-top: 20px; border-top: 1px solid rgba(191,255,255,.1); font-size: .88rem; color: var(--text-muted); }
.footer-bottom p { margin: 0; }
.mobile-quick { display: none; }
@media (max-width: 1120px) {
  .nav-core a:nth-child(4) { display: none; }
  .game-grid { grid-template-columns: repeat(4, 1fr); }
  .quick-grid { grid-template-columns: repeat(3, 1fr); }
  .cards-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 920px) {
  :root { --header-h: 68px; }
  .section { padding: 68px 0; }
  .nav-core { display: none; }
  .hero-grid, .inner-hero-grid, .split, .content-grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero-grid { padding: 64px 0 92px; }
  .hero-visual { max-width: 560px; margin: 0 auto; }
  .hero-visual img { max-height: 440px; }
  .glow-grid { grid-template-columns: 1fr 1fr; }
  .glow-item:nth-child(2) { border-right: 0; }
  .quick-grid { grid-template-columns: repeat(2, 1fr); }
  .split.reverse .split-media { order: 0; }
  .game-grid { grid-template-columns: repeat(3, 1fr); }
  .review-grid { grid-template-columns: 1fr 1fr; }
  .side-stack { position: static; grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  body { padding-bottom: calc(72px + env(safe-area-inset-bottom)); }
  .section-shell { width: min(100% - 24px, 1200px); }
  .header-inner { width: calc(100% - 20px); gap: 8px; }
  .site-logo img { max-width: 122px; max-height: 38px; }
  .header-actions { gap: 7px; }
  .header-btn { min-height: 39px; padding: 7px 11px; font-size: .82rem; border-radius: 8px; }
  .menu-toggle { width: 40px; height: 40px; }
  .section { padding: 54px 0; }
  .section-title { font-size: 1.85rem; }
  .hero-grid { padding: 50px 0 80px; gap: 30px; }
  .hero h1 { font-size: 3.15rem; }
  .hero-subtitle { font-size: 1.08rem; }
  .hero-copy > p:not(.hero-subtitle) { font-size: .98rem; }
  .hero-visual img { max-height: 350px; }
  .glow-strip { margin-top: -24px; }
  .glow-grid { grid-template-columns: 1fr; padding: 10px; }
  .glow-item, .glow-item:nth-child(2) { border-right: 0; border-bottom: 1px solid rgba(191,255,255,.1); }
  .glow-item:last-child { border-bottom: 0; }
  .quick-grid, .two-column, .activity-grid, .review-grid, .page-reviews, .page-faq, .cards-3, .cards-4, .side-stack { grid-template-columns: 1fr; }
  .feature-list { grid-template-columns: 1fr; }
  .game-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .game-card { padding: 9px; }
  .game-card h3 { font-size: .94rem; }
  .game-card p { min-height: 56px; font-size: .8rem; }
  .info-card, .prose-card, .notice-panel { padding: 22px; }
  .inner-hero { padding: 56px 0 44px; }
  .inner-hero h1 { font-size: 2.45rem; }
  .drawer-nav { grid-template-columns: 1fr; }
  .site-drawer { padding-bottom: 90px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .mobile-quick {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 900; display: grid; grid-template-columns: repeat(4, 1fr);
    padding: 8px 8px calc(8px + env(safe-area-inset-bottom)); background: rgba(22,0,43,.94); border-top: 1px solid rgba(191,255,255,.14);
    backdrop-filter: blur(14px); box-shadow: 0 -10px 30px rgba(0,0,0,.28);
  }
  .mobile-quick a { min-height: 52px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; color: var(--text-soft); font-size: .78rem; border-radius: 9px; touch-action: manipulation; }
  .mobile-quick a span { color: var(--cyan); font-size: 1.08rem; line-height: 1; }
  .mobile-quick a:active { background: rgba(37,223,245,.1); color: #fff; }
}
@media (max-width: 390px) {
  .header-btn { padding-inline: 9px; }
  .site-logo img { max-width: 104px; }
  .hero h1 { font-size: 2.75rem; }
}
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}