:root {
    --bg: #24003f;
    --bg-deep: #16002b;
    --bg-alt: #2d0052;
    --bg-card: rgba(60, 0, 100, .56);
    --cyan: #25dff5;
    --pink: #f06bea;
    --violet: #8f7bff;
    --title: #bfffff;
    --text: #ffffff;
    --muted: #d8c7ff;
    --soft: #b99ee8;
    --border: rgba(191, 255, 255, .14);
    --shadow: 0 18px 46px rgba(0, 0, 0, .32);
    --radius: 18px;
    --container: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-width: 320px;
    overflow-x: hidden;
    background:
        radial-gradient(circle at 10% 10%, rgba(143, 123, 255, .18), transparent 30%),
        radial-gradient(circle at 90% 25%, rgba(240, 107, 234, .14), transparent 32%),
        var(--bg);
    color: var(--text);
    font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.75;
}
body.drawer-open { overflow: hidden; }
a { color: inherit; }
img { max-width: 100%; display: block; }
button, input, textarea { font: inherit; }
.skip-link {
    position: fixed;
    left: 12px;
    top: -80px;
    z-index: 12000;
    padding: 10px 14px;
    background: #fff;
    color: #24003f;
    border-radius: 8px;
}
.skip-link:focus { top: 12px; }
.container { width: min(calc(100% - 40px), var(--container)); margin: 0 auto; }
.section { padding: 86px 0; position: relative; }
.section-tight { padding: 54px 0; }
.section-alt { background: rgba(22, 0, 43, .45); }
.section-heading { max-width: 720px; margin-bottom: 34px; }
.section-heading.centered { margin-left: auto; margin-right: auto; text-align: center; }
.section-heading p { color: var(--muted); }
.section-kicker, .label, .badge {
    display: inline-flex;
    color: var(--pink);
    font-weight: 800;
    letter-spacing: .08em;
    font-size: .86rem;
    text-transform: uppercase;
}
h1, h2, h3, .section-title {
    margin-top: 0;
    color: var(--title);
    line-height: 1.25;
    text-shadow: 0 0 18px rgba(37, 223, 245, .20);
}
h1 { font-size: clamp(2.35rem, 6vw, 5.4rem); margin-bottom: 22px; }
h2 { font-size: clamp(1.8rem, 3.5vw, 3rem); margin-bottom: 18px; }
h3 { font-size: 1.22rem; margin-bottom: 10px; }
p { margin-top: 0; }
.text-link { color: var(--cyan); text-decoration: none; font-weight: 700; }
.text-link:hover { color: #fff; }
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 10px 20px;
    border: 0;
    border-radius: 10px;
    color: #fff;
    background: linear-gradient(90deg, #21dff5 0%, #8f7bff 52%, #f06bea 100%);
    box-shadow: 0 14px 30px rgba(240, 107, 234, .26);
    text-decoration: none;
    font-weight: 800;
    transition: transform .2s ease, box-shadow .2s ease;
}
.main-btn:hover, .main-btn:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 18px 40px rgba(37, 223, 245, .30);
}

.site-header {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 9999;
    background: rgba(36, 0, 63, .78);
    backdrop-filter: blur(16px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, .22);
    border-bottom: 1px solid rgba(191, 255, 255, .08);
}
.header-inner {
    width: min(calc(100% - 32px), 1280px);
    margin: 0 auto;
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.site-logo { flex: 0 0 auto; }
.site-logo img { width: auto; max-height: 46px; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 6px; margin-left: auto; }
.nav-core a {
    padding: 8px 10px;
    border-radius: 999px;
    text-decoration: none;
    white-space: nowrap;
    color: #fff;
    font-size: .95rem;
}
.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-cta { min-height: 42px; padding: 8px 16px; }
.menu-toggle {
    width: 44px;
    height: 44px;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    border-radius: 10px;
    border: 1px solid var(--border);
    color: #fff;
    background: rgba(255, 255, 255, .06);
    cursor: pointer;
}
.menu-toggle span { width: 21px; height: 2px; border-radius: 2px; background: currentColor; }
.drawer-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(8, 0, 18, .72);
    opacity: 0;
    transition: opacity .22s ease;
}
.drawer-overlay.show { opacity: 1; }
.site-drawer {
    position: fixed;
    z-index: 10001;
    top: 0;
    right: 0;
    width: min(88vw, 390px);
    height: 100dvh;
    overflow-y: auto;
    padding: 20px;
    background: linear-gradient(180deg, #2d0052, #16002b);
    box-shadow: -24px 0 60px rgba(0, 0, 0, .45);
    transform: translateX(105%);
    transition: transform .28s ease;
}
.site-drawer.open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.drawer-logo img { max-height: 42px; width: auto; }
.drawer-close {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 1px solid var(--border);
    color: #fff;
    background: rgba(255, 255, 255, .06);
    font-size: 1.7rem;
    cursor: pointer;
}
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.drawer-nav a {
    padding: 12px 13px;
    border-radius: 11px;
    text-decoration: none;
    background: rgba(255, 255, 255, .055);
    border: 1px solid rgba(191, 255, 255, .08);
    color: var(--muted);
}
.drawer-nav a:hover { color: var(--cyan); border-color: rgba(37, 223, 245, .28); }
.drawer-note { margin-top: 22px; padding: 16px; border-radius: 12px; background: rgba(37, 223, 245, .08); color: var(--muted); font-size: .9rem; }

.hero {
    min-height: min(780px, calc(100vh - 72px));
    display: flex;
    align-items: center;
    position: relative;
    isolation: isolate;
    background-image: linear-gradient(90deg, rgba(22, 0, 43, .96), rgba(36, 0, 63, .68) 50%, rgba(36, 0, 63, .84)), url('背景.webp');
    background-size: cover;
    background-position: center;
}
.hero::after {
    content: "";
    position: absolute;
    inset: auto 0 0;
    height: 180px;
    background: linear-gradient(0deg, var(--bg), transparent);
    z-index: -1;
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 48px; padding: 72px 0 100px; }
.hero-copy { max-width: 700px; }
.hero-copy > p { max-width: 680px; color: var(--muted); font-size: 1.06rem; }
.hero-subtitle { display: block; color: var(--cyan); font-size: clamp(1.05rem, 2vw, 1.4rem); font-weight: 800; margin-bottom: 12px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; margin-top: 28px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 28px 0 0; list-style: none; }
.hero-points li { padding: 8px 12px; border-radius: 999px; background: rgba(255, 255, 255, .07); color: var(--muted); border: 1px solid var(--border); }
.hero-visual img { max-height: 520px; margin: 0 auto; object-fit: contain; filter: drop-shadow(0 28px 42px rgba(0, 0, 0, .4)); }
.glow-frame { position: relative; }
.glow-frame::before { content: ""; position: absolute; inset: 10% 15%; z-index: -1; background: radial-gradient(circle, rgba(37, 223, 245, .24), rgba(240, 107, 234, .14), transparent 68%); filter: blur(22px); }

.highlight-strip { margin-top: -42px; position: relative; z-index: 3; }
.highlight-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.highlight-item, .info-card, .zone-card, .review-card, .prose-card, .content-note, .review-highlight {
    background: var(--bg-card);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
    border-radius: var(--radius);
}
.highlight-item { padding: 22px; }
.highlight-item p { color: var(--muted); margin-bottom: 0; font-size: .93rem; }
.quick-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.quick-card { min-height: 170px; padding: 22px; border: 1px solid var(--border); border-radius: 16px; background: linear-gradient(145deg, rgba(74, 0, 127, .45), rgba(22, 0, 43, .56)); }
.quick-card p { color: var(--muted); }
.quick-card a { color: var(--cyan); text-decoration: none; font-weight: 800; }
.content-split { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 52px; }
.content-split.reverse .content-copy { order: 2; }
.content-split.reverse .content-media { order: 1; }
.content-copy p { color: var(--muted); }
.content-media img { width: 100%; max-height: 500px; object-fit: contain; }
.check-list { display: grid; gap: 10px; padding: 0; margin: 24px 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; color: var(--cyan); font-weight: 900; }
.poster-banner { width: min(calc(100% - 40px), 1040px); margin: 0 auto; }
.poster-banner img { width: 100%; height: auto; object-fit: contain; border-radius: 22px; box-shadow: 0 28px 70px rgba(0, 0, 0, .44); }
.poster-caption { max-width: 760px; margin: 22px auto 0; text-align: center; color: var(--muted); }
.game-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.game-card { overflow: hidden; background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; transition: transform .2s ease, box-shadow .2s ease; }
.game-card:hover { transform: translateY(-5px); box-shadow: 0 20px 38px rgba(37, 223, 245, .15); }
.game-card img { width: 100%; aspect-ratio: 1 / 1; object-fit: contain; background: rgba(22, 0, 43, .5); }
.game-card-body { padding: 16px; }
.game-card-body p { color: var(--muted); font-size: .9rem; min-height: 54px; }
.game-card .main-btn { width: 100%; min-height: 40px; padding: 8px 12px; font-size: .9rem; }
.dual-grid, .activity-grid, .safe-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.zone-card { padding: 28px; overflow: hidden; }
.zone-card img { width: 100%; max-height: 300px; object-fit: contain; margin-bottom: 22px; border-radius: 14px; }
.zone-card p { color: var(--muted); }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.review-card { padding: 24px; }
.review-card p { color: var(--muted); margin-bottom: 14px; }
.review-card span { color: var(--cyan); font-weight: 800; }
.faq-list { display: grid; gap: 12px; }
.faq-list details { background: rgba(60, 0, 100, .42); border: 1px solid var(--border); border-radius: 14px; padding: 0 20px; }
.faq-list summary { cursor: pointer; padding: 18px 0; font-weight: 800; color: var(--title); }
.faq-list details p { padding: 0 0 18px; margin: 0; color: var(--muted); }
.compliance-strip { background: linear-gradient(90deg, rgba(37, 223, 245, .08), rgba(240, 107, 234, .09)); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.compliance-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 44px; align-items: center; }
.compliance-grid p { color: var(--muted); margin: 0; }

.inner-hero { padding: 88px 0 56px; background: linear-gradient(180deg, rgba(45, 0, 82, .78), rgba(36, 0, 63, 0)); }
.inner-hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 48px; }
.inner-hero-copy p { max-width: 700px; color: var(--muted); font-size: 1.08rem; }
.inner-hero-visual img { width: 100%; max-height: 430px; object-fit: contain; }
.prose-card { padding: 34px; }
.prose-card p { max-width: 980px; color: var(--muted); font-size: 1.02rem; }
.prose-card p:last-child { margin-bottom: 0; }
.info-grid { display: grid; gap: 16px; }
.info-grid.four-col { grid-template-columns: repeat(4, 1fr); }
.info-card { padding: 24px; }
.info-card p { color: var(--muted); margin-bottom: 0; }
.card-index { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; margin-bottom: 16px; border-radius: 50%; color: #fff; background: linear-gradient(135deg, var(--cyan), var(--violet), var(--pink)); font-weight: 900; }
.content-band { display: grid; grid-template-columns: 1.25fr .75fr; gap: 42px; align-items: start; }
.content-band.reverse .content-band-copy { order: 2; }
.content-band.reverse .content-note { order: 1; }
.content-band-copy p { color: var(--muted); }
.content-note { padding: 26px; position: sticky; top: 102px; }
.content-note p { color: var(--muted); }
.review-highlight { display: grid; grid-template-columns: .65fr 1.35fr; gap: 30px; align-items: center; padding: 34px; }
.review-highlight blockquote { margin: 0; color: var(--muted); font-size: 1.15rem; }

.site-footer { background: #140024; color: var(--muted); padding: 66px 0 22px; }
.footer-inner { width: min(calc(100% - 40px), var(--container)); margin: 0 auto; display: grid; grid-template-columns: 1.05fr 1.95fr; gap: 60px; }
.footer-brand img { max-height: 48px; width: auto; margin-bottom: 18px; }
.footer-brand p { max-width: 460px; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.footer-links h2 { font-size: 1.05rem; color: #fff; text-shadow: none; margin-bottom: 14px; }
.footer-links a { display: block; margin: 8px 0; color: var(--muted); text-decoration: none; }
.footer-links a:hover { color: var(--cyan); }
.footer-legal { width: min(calc(100% - 40px), var(--container)); margin: 42px auto 0; padding-top: 22px; border-top: 1px solid rgba(191, 255, 255, .09); display: flex; justify-content: space-between; gap: 30px; font-size: .88rem; }
.footer-legal p { margin-bottom: 0; }
.mobile-quick { display: none; }

@media (max-width: 1080px) {
    .nav-core { display: none; }
    .game-grid { grid-template-columns: repeat(4, 1fr); }
    .quick-grid, .info-grid.four-col { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 820px) {
    body { padding-bottom: calc(68px + env(safe-area-inset-bottom)); }
    .section { padding: 66px 0; }
    .hero-grid, .inner-hero-grid, .content-split, .content-band, .compliance-grid, .review-highlight, .footer-inner { grid-template-columns: 1fr; }
    .hero { min-height: auto; }
    .hero-grid { padding: 60px 0 88px; }
    .hero-copy { order: 1; }
    .hero-visual { order: 2; }
    .hero-visual img { max-height: 360px; }
    .highlight-grid, .review-grid { grid-template-columns: repeat(2, 1fr); }
    .game-grid { grid-template-columns: repeat(3, 1fr); }
    .dual-grid, .activity-grid, .safe-grid { grid-template-columns: 1fr; }
    .content-split.reverse .content-copy, .content-split.reverse .content-media, .content-band.reverse .content-band-copy, .content-band.reverse .content-note { order: initial; }
    .content-note { position: static; }
    .footer-links { grid-template-columns: repeat(3, 1fr); }
    .footer-legal { flex-direction: column; }
    .mobile-quick {
        position: fixed;
        z-index: 9998;
        left: 10px;
        right: 10px;
        bottom: max(10px, env(safe-area-inset-bottom));
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        border: 1px solid var(--border);
        border-radius: 16px;
        overflow: hidden;
        background: rgba(22, 0, 43, .92);
        backdrop-filter: blur(14px);
        box-shadow: 0 14px 34px rgba(0, 0, 0, .42);
    }
    .mobile-quick a { min-height: 52px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px; color: var(--muted); text-decoration: none; font-size: .78rem; }
    .mobile-quick a span { color: var(--cyan); font-size: 1.05rem; }
}

@media (max-width: 620px) {
    .container, .footer-inner, .footer-legal, .poster-banner { width: min(calc(100% - 28px), var(--container)); }
    .header-inner { width: calc(100% - 20px); min-height: 64px; gap: 10px; }
    .site-logo img { max-width: 120px; max-height: 38px; }
    .header-cta { min-height: 38px; padding: 7px 11px; font-size: .84rem; }
    .menu-toggle { width: 40px; height: 40px; }
    .section { padding: 54px 0; }
    .inner-hero { padding: 62px 0 40px; }
    h1 { font-size: clamp(2.1rem, 12vw, 3.65rem); }
    h2 { font-size: 1.8rem; }
    .highlight-grid, .quick-grid, .info-grid.four-col, .review-grid, .footer-links { grid-template-columns: 1fr; }
    .highlight-strip { margin-top: -28px; }
    .game-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
    .game-card-body { padding: 13px; }
    .game-card-body p { min-height: auto; }
    .prose-card, .review-highlight { padding: 24px; }
    .drawer-nav { grid-template-columns: 1fr; }
    .footer-inner { gap: 38px; }
}