:root {
  --bg: #24003f;
  --bg-deep: #16002b;
  --bg-soft: #2d0052;
  --bg-mid: #3b006b;
  --bg-bright: #4a007f;
  --cyan: #25dff5;
  --pink: #f06bea;
  --title: #bfffff;
  --text: #ffffff;
  --muted: #d8c7ff;
  --soft: #b99ee8;
  --card: rgba(60, 0, 100, 0.56);
  --line: rgba(191,255,255,0.14);
  --shadow: 0 18px 46px rgba(0,0,0,0.32);
  --radius: 20px;
  --container: 1180px;
}

* { 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 18% 12%, rgba(37,223,245,0.09), transparent 30%),
    radial-gradient(circle at 84% 26%, rgba(240,107,234,0.10), transparent 34%),
    linear-gradient(180deg, var(--bg-deep) 0%, var(--bg) 36%, #1a0032 100%);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.75;
}
body.drawer-open { overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
main { position: relative; z-index: 2; }
.skip-link { position: fixed; left: 12px; top: -80px; z-index: 10000; padding: 9px 14px; background: #fff; color: #19002e; border-radius: 8px; }
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 5000;
  width: 100%;
  background: rgba(36, 0, 63, 0.72);
  border-bottom: 1px solid rgba(191,255,255,0.10);
  box-shadow: 0 10px 34px rgba(12,0,28,0.24);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.header-inner { width: min(var(--container), calc(100% - 32px)); min-height: 76px; margin: 0 auto; display: flex; align-items: center; gap: 24px; }
.brand { flex: 0 0 auto; display: inline-flex; align-items: center; }
.brand img { width: 168px; height: auto; max-height: 52px; object-fit: contain; }
.core-nav { flex: 1 1 auto; display: flex; align-items: center; justify-content: center; gap: clamp(12px, 1.6vw, 24px); white-space: nowrap; }
.core-nav a { position: relative; color: #fff; font-size: 15px; padding: 24px 0 20px; transition: color .2s ease; }
.core-nav a::after { content: ""; position: absolute; left: 50%; bottom: 14px; width: 0; height: 2px; transform: translateX(-50%); background: linear-gradient(90deg, var(--cyan), var(--pink)); transition: width .2s ease; }
.core-nav a:hover, .core-nav a.is-active { color: var(--title); }
.core-nav a:hover::after, .core-nav a.is-active::after { width: 100%; }
.header-actions { flex: 0 0 auto; display: flex; align-items: center; gap: 10px; }
.main-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 10px 20px; background: linear-gradient(90deg, #21dff5 0%, #8f7bff 52%, #f06bea 100%); color: #fff; border-radius: 6px; box-shadow: 0 14px 30px rgba(240,107,234,0.26); font-weight: 700; letter-spacing: .02em; transition: transform .2s ease, box-shadow .2s ease, filter .2s ease; }
.main-btn:hover { transform: translateY(-1px); box-shadow: 0 18px 40px rgba(37,223,245,0.30); filter: brightness(1.05); }
.menu-toggle { width: 44px; height: 44px; border: 1px solid rgba(191,255,255,0.18); border-radius: 9px; background: rgba(74,0,127,0.52); display: grid; place-content: center; gap: 5px; cursor: pointer; }
.menu-toggle span { width: 21px; height: 2px; border-radius: 99px; background: #fff; }
.drawer-overlay { position: fixed; inset: 0; z-index: 7000; background: rgba(8,0,18,0.68); opacity: 0; transition: opacity .22s ease; backdrop-filter: blur(3px); }
.drawer-overlay.is-visible { opacity: 1; }
.side-drawer { position: fixed; inset: 0 0 0 auto; z-index: 7100; width: min(390px, 88vw); height: 100dvh; overflow-y: auto; transform: translateX(102%); transition: transform .24s ease; background: linear-gradient(180deg, #2a004b 0%, #16002b 100%); border-left: 1px solid rgba(191,255,255,0.14); box-shadow: -24px 0 64px rgba(0,0,0,0.52); padding: 22px; }
.side-drawer.is-open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding-bottom: 18px; border-bottom: 1px solid rgba(191,255,255,0.12); }
.drawer-brand img { width: 150px; height: auto; max-height: 48px; object-fit: contain; }
.drawer-close { width: 42px; height: 42px; border: 1px solid rgba(191,255,255,0.16); border-radius: 10px; color: #fff; background: rgba(74,0,127,0.62); font-size: 28px; line-height: 1; cursor: pointer; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; padding: 22px 0; }
.drawer-nav a { padding: 11px 12px; border-radius: 10px; background: rgba(74,0,127,0.34); border: 1px solid rgba(191,255,255,0.08); color: var(--muted); transition: background .2s ease, color .2s ease, transform .2s ease; }
.drawer-nav a:hover { background: rgba(37,223,245,0.12); color: #fff; transform: translateX(2px); }
.drawer-note { padding: 16px; border-radius: 14px; background: rgba(37,223,245,0.07); border: 1px solid rgba(37,223,245,0.14); }
.drawer-note strong { color: var(--title); }
.drawer-note p { margin: 7px 0 0; color: var(--muted); font-size: 14px; }

.emoji-field { position: fixed; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
.emoji-field span { position: absolute; left: var(--x); bottom: -10vh; font-size: clamp(18px, 2vw, 32px); opacity: .12; filter: drop-shadow(0 0 12px rgba(37,223,245,.18)); animation: floatEmoji var(--duration) linear infinite; animation-delay: var(--delay); }
@keyframes floatEmoji { 0% { transform: translate3d(-10px, 0, 0) rotate(-8deg); opacity: 0; } 10% { opacity: .13; } 50% { transform: translate3d(18px, -55vh, 0) rotate(12deg); opacity: .19; } 90% { opacity: .10; } 100% { transform: translate3d(-12px, -115vh, 0) rotate(-10deg); opacity: 0; } }

.container { width: min(var(--container), calc(100% - 32px)); margin: 0 auto; }
.section { position: relative; padding: 84px 0; }
.section-compact { padding: 58px 0; }
.section-alt { background: linear-gradient(180deg, rgba(45,0,82,.54), rgba(22,0,43,.20)); border-top: 1px solid rgba(191,255,255,.06); border-bottom: 1px solid rgba(191,255,255,.06); }
.eyebrow { margin: 0 0 8px; color: var(--cyan); font-size: 13px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3, .section-title { color: var(--title); text-shadow: 0 0 18px rgba(37,223,245,0.20); line-height: 1.25; }
h1 { font-size: clamp(40px, 6vw, 78px); margin: 0 0 18px; }
h2, .section-title { font-size: clamp(28px, 4vw, 44px); margin: 0 0 16px; }
h3 { margin: 0 0 10px; font-size: 21px; }
p { margin: 0 0 16px; }
.lead { max-width: 760px; color: var(--muted); font-size: clamp(17px, 2vw, 20px); }
.section-head { max-width: 800px; margin-bottom: 34px; }
.section-head p { color: var(--muted); }
.text-link { display: inline-flex; align-items: center; gap: 5px; color: var(--cyan); font-weight: 700; }
.text-link:hover { color: var(--title); }

.hero { min-height: calc(100vh - 76px); display: grid; align-items: center; isolation: isolate; background-image: linear-gradient(90deg, rgba(22,0,43,.88) 0%, rgba(36,0,63,.68) 55%, rgba(22,0,43,.72) 100%), url('背景.webp'); background-size: cover; background-position: center; }
.hero::after { content: ""; position: absolute; inset: auto 0 0; height: 34%; z-index: -1; background: linear-gradient(180deg, transparent, rgba(87,0,139,.55) 55%, #210039 100%); }
.hero-grid { width: min(var(--container), calc(100% - 32px)); margin: 0 auto; padding: 74px 0 90px; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(340px, .92fr); align-items: center; gap: 44px; }
.hero-copy { max-width: 690px; }
.hero-subtitle { margin: 0 0 15px; color: var(--cyan); font-weight: 800; letter-spacing: .08em; }
.hero-copy .lead { margin-bottom: 28px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.hero-note { color: var(--soft); font-size: 14px; }
.hero-visual { position: relative; display: grid; place-items: center; }
.hero-visual::before { content: ""; position: absolute; width: 78%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(37,223,245,.24), rgba(240,107,234,.11) 48%, transparent 70%); filter: blur(18px); }
.hero-visual img { position: relative; width: min(100%, 520px); max-height: 610px; object-fit: contain; filter: drop-shadow(0 32px 42px rgba(0,0,0,.42)); animation: heroFloat 6s ease-in-out infinite; }
@keyframes heroFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

.highlight-strip { position: relative; z-index: 4; margin-top: -36px; }
.highlight-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.highlight-item { padding: 20px; border-radius: 16px; background: linear-gradient(135deg, rgba(37,223,245,.11), rgba(74,0,127,.72)); border: 1px solid rgba(191,255,255,.15); box-shadow: 0 16px 36px rgba(0,0,0,.25); backdrop-filter: blur(12px); }
.highlight-item strong { display: block; margin-bottom: 7px; color: var(--title); }
.highlight-item p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.pill-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.pill-nav a { padding: 9px 16px; border-radius: 999px; color: var(--muted); background: rgba(60,0,100,.46); border: 1px solid rgba(191,255,255,.12); transition: transform .2s ease, border-color .2s ease, color .2s ease; }
.pill-nav a:hover { transform: translateY(-2px); border-color: rgba(37,223,245,.38); color: #fff; }

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, .82fr); align-items: center; gap: 46px; }
.split.reverse .split-copy { order: 2; }
.split.reverse .split-media { order: 1; }
.split-copy p { color: var(--muted); }
.split-media { position: relative; }
.split-media img, .content-img { width: 100%; max-height: 560px; object-fit: contain; border-radius: 22px; filter: drop-shadow(0 24px 44px rgba(0,0,0,.38)); }
.check-list { display: grid; gap: 10px; padding: 0; margin: 22px 0 0; list-style: none; }
.check-list li { position: relative; padding-left: 28px; color: var(--muted); }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 1px; color: var(--cyan); font-weight: 900; }

.poster-banner { padding: 18px; border-radius: 24px; background: rgba(60,0,100,.44); border: 1px solid var(--line); box-shadow: var(--shadow); }
.poster-banner img { width: min(100%, 1040px); margin: 0 auto; height: auto; object-fit: contain; border-radius: 18px; }

.card, .zone-card, .info-card { background: rgba(60, 0, 100, 0.56); border: 1px solid rgba(191,255,255,0.14); box-shadow: 0 18px 46px rgba(0,0,0,0.32); backdrop-filter: blur(10px); }
.quick-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.quick-card { display: block; min-height: 178px; padding: 22px; border-radius: 18px; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.quick-card:hover { transform: translateY(-4px); border-color: rgba(37,223,245,.34); box-shadow: 0 22px 50px rgba(37,223,245,.09); }
.quick-number { display: block; margin-bottom: 20px; color: var(--cyan); font-weight: 900; font-size: 14px; letter-spacing: .13em; }
.quick-card h3 { font-size: 20px; }
.quick-card p { margin: 0; color: var(--muted); font-size: 14px; }

.game-grid { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 16px; }
.game-card { overflow: hidden; border-radius: 18px; transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
.game-card:hover { transform: translateY(-6px); border-color: rgba(37,223,245,.38); box-shadow: 0 24px 58px rgba(37,223,245,.12); }
.game-card img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; background: var(--bg-deep); }
.game-card-body { padding: 17px; }
.game-card h3 { font-size: 18px; }
.game-card p { color: var(--muted); font-size: 14px; line-height: 1.65; }
.game-card .text-link { font-size: 14px; }

.three-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.four-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.info-card { padding: 24px; border-radius: 18px; }
.info-card p { color: var(--muted); margin-bottom: 0; }
.info-card .kicker { color: var(--cyan); font-size: 13px; font-weight: 900; letter-spacing: .08em; }
.activity-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.activity-card { overflow: hidden; border-radius: 20px; }
.activity-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; background: var(--bg-deep); }
.activity-copy { padding: 24px; }
.activity-copy p { color: var(--muted); }
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 24px; }
.feature-item { padding: 17px; border-radius: 14px; background: rgba(74,0,127,.33); border: 1px solid rgba(191,255,255,.09); }
.feature-item strong { display: block; color: var(--title); margin-bottom: 5px; }
.feature-item span { color: var(--muted); font-size: 14px; }

.news-list { display: grid; gap: 12px; }
.news-item { display: grid; grid-template-columns: 110px 1fr; gap: 18px; align-items: start; padding: 19px; border-radius: 16px; }
.news-date { color: var(--cyan); font-weight: 800; }
.news-item h3 { font-size: 19px; margin-bottom: 6px; }
.news-item p { margin: 0; color: var(--muted); }

.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.review-card { padding: 22px; border-radius: 18px; }
.review-card blockquote { margin: 0 0 18px; color: var(--muted); }
.review-card cite { color: var(--cyan); font-style: normal; font-weight: 700; }
.faq-list { display: grid; gap: 12px; }
details { border-radius: 15px; background: rgba(60,0,100,.52); border: 1px solid rgba(191,255,255,.11); overflow: hidden; }
summary { cursor: pointer; padding: 18px 20px; color: var(--title); font-weight: 800; list-style: none; }
summary::-webkit-details-marker { display: none; }
details p { padding: 0 20px 20px; margin: 0; color: var(--muted); }
.notice-box { padding: 28px; border-radius: 20px; background: linear-gradient(135deg, rgba(37,223,245,.08), rgba(240,107,234,.08)); border: 1px solid rgba(191,255,255,.15); }
.notice-box h2 { font-size: clamp(26px, 3vw, 36px); }
.notice-box p { color: var(--muted); }

.page-hero { position: relative; padding: 96px 0 64px; overflow: hidden; background: linear-gradient(135deg, rgba(74,0,127,.68), rgba(22,0,43,.78)); border-bottom: 1px solid rgba(191,255,255,.08); }
.page-hero::after { content: ""; position: absolute; right: -10%; top: -80%; width: 55%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(37,223,245,.17), transparent 68%); }
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { font-size: clamp(38px, 5vw, 62px); }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; color: var(--soft); font-size: 14px; }
.breadcrumbs a { color: var(--cyan); }
.content-shell { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 28px; align-items: start; }
.article-card { padding: clamp(24px, 4vw, 42px); border-radius: 22px; }
.article-card p { color: var(--muted); }
.article-card h2 { margin-top: 34px; font-size: clamp(25px, 3vw, 34px); }
.article-card h2:first-child { margin-top: 0; }
.article-card ul { padding-left: 21px; color: var(--muted); }
.article-card li + li { margin-top: 8px; }
.page-visual { margin: 28px 0; padding: 14px; border-radius: 20px; background: rgba(22,0,43,.55); border: 1px solid var(--line); }
.page-visual img { width: 100%; max-height: 520px; object-fit: contain; border-radius: 14px; }
.sidebar { position: sticky; top: 98px; display: grid; gap: 16px; }
.sidebar .info-card { padding: 20px; }
.sidebar h2 { font-size: 22px; }
.sidebar a { display: block; padding: 8px 0; color: var(--muted); border-bottom: 1px solid rgba(191,255,255,.07); }
.sidebar a:last-child { border-bottom: 0; }
.sidebar a:hover { color: var(--cyan); }
.inline-cta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px; margin-top: 30px; padding: 22px; border-radius: 18px; background: rgba(37,223,245,.07); border: 1px solid rgba(37,223,245,.13); }
.inline-cta p { margin: 0; max-width: 620px; }

.site-footer { position: relative; z-index: 2; background: #140024; color: #d8c7ff; border-top: 1px solid rgba(191,255,255,.08); }
.footer-grid { width: min(var(--container), calc(100% - 32px)); margin: 0 auto; padding: 58px 0 38px; display: grid; grid-template-columns: 1.7fr repeat(3, 1fr); gap: 34px; }
.footer-brand img { width: 160px; height: auto; max-height: 52px; object-fit: contain; margin-bottom: 18px; }
.footer-brand p { max-width: 500px; }
.site-footer h2 { font-size: 18px; margin-bottom: 12px; }
.site-footer a { display: block; padding: 5px 0; color: var(--muted); }
.site-footer a:hover { color: var(--cyan); }
.footer-bottom { width: min(var(--container), calc(100% - 32px)); margin: 0 auto; padding: 18px 0 26px; display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid rgba(191,255,255,.08); font-size: 13px; }
.footer-bottom p { margin: 0; }

@media (max-width: 1080px) {
  .core-nav { display: none; }
  .header-inner { justify-content: space-between; }
  .hero-grid, .split { grid-template-columns: 1fr 1fr; }
  .game-grid { grid-template-columns: repeat(4, minmax(0,1fr)); }
  .quick-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1.4fr repeat(3, 1fr); }
}
@media (max-width: 840px) {
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; padding-top: 62px; }
  .hero-copy { max-width: none; }
  .hero-visual img { max-height: 430px; }
  .highlight-grid { grid-template-columns: repeat(2, 1fr); }
  .split, .split.reverse { grid-template-columns: 1fr; }
  .split.reverse .split-copy, .split.reverse .split-media { order: initial; }
  .game-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .three-grid, .review-grid { grid-template-columns: repeat(2, 1fr); }
  .four-grid { grid-template-columns: repeat(2, 1fr); }
  .content-shell { grid-template-columns: 1fr; }
  .sidebar { position: static; grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 620px) {
  .header-inner { width: calc(100% - 20px); min-height: 66px; gap: 8px; }
  .brand img { width: 116px; max-height: 40px; }
  .header-actions { gap: 7px; }
  .header-cta { min-height: 38px; padding: 8px 11px; font-size: 13px; white-space: nowrap; }
  .menu-toggle { width: 39px; height: 39px; }
  .section { padding: 64px 0; }
  .section-compact { padding: 44px 0; }
  .container, .hero-grid, .footer-grid, .footer-bottom { width: calc(100% - 24px); }
  .hero-grid { padding: 52px 0 72px; gap: 26px; }
  h1 { font-size: clamp(38px, 13vw, 58px); }
  .hero-visual img { max-height: 340px; }
  .highlight-strip { margin-top: -26px; }
  .highlight-grid, .quick-grid, .three-grid, .review-grid, .four-grid, .activity-grid, .feature-list, .sidebar { grid-template-columns: 1fr; }
  .game-grid { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 11px; }
  .game-card-body { padding: 13px; }
  .game-card h3 { font-size: 16px; }
  .game-card p { font-size: 13px; }
  .news-item { grid-template-columns: 1fr; gap: 5px; }
  .page-hero { padding: 72px 0 48px; }
  .article-card { padding: 22px 18px; }
  .drawer-nav { grid-template-columns: 1fr; }
  .footer-grid { gap: 24px; }
  .footer-bottom { flex-direction: column; }
  .emoji-field span:nth-child(n+7) { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}