:root {
    --bg: #24003f;
    --bg-deep: #16002b;
    --bg-alt: #2d0052;
    --bg-mid: #3b006b;
    --bg-bright: #4a007f;
    --cyan: #25dff5;
    --pink: #f06bea;
    --violet: #8f7bff;
    --title: #bfffff;
    --text: #ffffff;
    --muted: #d8c7ff;
    --soft: #b99ee8;
    --card: rgba(60, 0, 100, 0.56);
    --border: rgba(191, 255, 255, 0.14);
    --shadow: 0 18px 46px rgba(0, 0, 0, 0.32);
    --radius: 18px;
    --header-h: 72px;
}

* { 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 8% 12%, rgba(143,123,255,.20), transparent 30%),
        radial-gradient(circle at 90% 18%, rgba(240,107,234,.14), transparent 26%),
        linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 100%);
    color: var(--text);
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    line-height: 1.75;
}
body.drawer-open { overflow: hidden; }
a { color: inherit; }
img { display: block; max-width: 100%; height: auto; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.narrow-container { width: min(900px, calc(100% - 40px)); }
.skip-link { position: fixed; left: 10px; top: -80px; z-index: 20000; background: #fff; color: #24003f; padding: 10px 14px; border-radius: 8px; }
.skip-link:focus { top: 10px; }

.site-header {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 9999;
    background: rgba(36,0,63,0.72);
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.22);
    border-bottom: 1px solid rgba(191,255,255,.08);
}
.header-inner {
    width: min(1280px, calc(100% - 36px));
    margin: 0 auto;
    min-height: var(--header-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}
.site-logo, .drawer-logo, .footer-logo { flex: 0 0 auto; }
.site-logo img { max-width: 156px; max-height: 46px; object-fit: contain; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 6px; flex: 1; }
.nav-core a { color: #fff; text-decoration: none; border-radius: 999px; padding: 8px 11px; font-size: 15px; white-space: nowrap; 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; }
.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;
    text-decoration: none;
    font-weight: 700;
    border-radius: 10px;
    box-shadow: 0 14px 30px rgba(240,107,234,.26);
    transition: transform .2s ease, box-shadow .2s ease;
    white-space: nowrap;
}
.main-btn:hover { transform: translateY(-1px); box-shadow: 0 18px 40px rgba(37,223,245,.30); }
.header-btn { min-height: 40px; padding: 8px 15px; font-size: 14px; }
.menu-toggle { width: 44px; height: 44px; border: 1px solid rgba(191,255,255,.18); background: rgba(37,223,245,.08); border-radius: 10px; display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; cursor: pointer; }
.menu-toggle span { width: 19px; height: 2px; background: #fff; border-radius: 2px; }

.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(8,0,18,.72); opacity: 0; transition: opacity .22s ease; }
.drawer-overlay.is-visible { opacity: 1; }
.site-drawer { position: fixed; top: 0; right: 0; bottom: 0; z-index: 10001; width: min(390px, 88vw); overflow-y: auto; transform: translateX(105%); transition: transform .28s ease; background: linear-gradient(180deg, #2d0052, #16002b); box-shadow: -24px 0 60px rgba(0,0,0,.42); padding: 24px; }
.site-drawer.is-open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-bottom: 18px; border-bottom: 1px solid rgba(191,255,255,.12); }
.drawer-logo img { max-width: 150px; max-height: 45px; object-fit: contain; }
.drawer-close { width: 42px; height: 42px; border: 1px solid rgba(191,255,255,.18); background: rgba(255,255,255,.05); color: #fff; border-radius: 10px; font-size: 27px; line-height: 1; cursor: pointer; }
.drawer-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; padding: 22px 0; }
.drawer-nav a { text-decoration: none; color: var(--muted); padding: 10px 12px; border-radius: 10px; background: rgba(255,255,255,.035); border: 1px solid transparent; }
.drawer-nav a:hover, .drawer-nav a.active { color: var(--title); border-color: rgba(37,223,245,.2); background: rgba(37,223,245,.08); }
.drawer-btn { width: 100%; }
.drawer-note { color: var(--soft); font-size: 13px; margin-top: 18px; }

.site-main { min-height: 60vh; }
.hero {
    position: relative;
    min-height: min(780px, calc(100vh - var(--header-h)));
    display: flex;
    align-items: center;
    background-image: linear-gradient(90deg, rgba(22,0,43,.94), rgba(36,0,63,.70) 52%, rgba(36,0,63,.30)), url('背景.webp');
    background-size: cover;
    background-position: center;
    overflow: hidden;
}
.hero::after { content: ""; position: absolute; inset: auto 0 0; height: 180px; background: linear-gradient(180deg, transparent, #24003f); pointer-events: none; }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 40px; padding: 88px 0 110px; }
.hero-copy { max-width: 680px; }
.section-kicker { display: inline-block; color: var(--pink); font-weight: 700; letter-spacing: .08em; margin-bottom: 8px; }
h1, h2, h3, .section-title { color: var(--title); text-shadow: 0 0 18px rgba(37,223,245,.20); line-height: 1.25; }
h1 { font-size: clamp(42px, 7vw, 78px); margin: 0 0 16px; }
h2 { font-size: clamp(28px, 4vw, 42px); margin: 0 0 16px; }
h3 { font-size: 21px; margin: 0 0 10px; }
p { margin: 0 0 16px; }
.hero-subtitle { color: #fff; font-size: clamp(19px, 2.2vw, 28px); font-weight: 700; margin-bottom: 16px; }
.hero-lead { color: var(--muted); font-size: 17px; max-width: 760px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 26px; }
.text-link { color: var(--cyan); text-decoration: none; font-weight: 700; }
.text-link:hover { text-decoration: underline; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.hero-points span { border: 1px solid rgba(191,255,255,.15); background: rgba(60,0,100,.5); color: #fff; border-radius: 999px; padding: 7px 12px; font-size: 14px; }
.hero-visual { position: relative; }
.hero-visual::before { content: ""; position: absolute; inset: 12% 9%; background: radial-gradient(circle, rgba(37,223,245,.34), rgba(240,107,234,.14) 52%, transparent 72%); filter: blur(12px); }
.hero-visual img { position: relative; max-height: 560px; margin: 0 auto; object-fit: contain; filter: drop-shadow(0 28px 50px rgba(0,0,0,.44)); }

.neon-strip { position: relative; z-index: 4; margin-top: -34px; }
.neon-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.neon-item { padding: 18px; border-radius: 16px; background: rgba(45,0,82,.82); border: 1px solid rgba(37,223,245,.18); box-shadow: 0 0 28px rgba(37,223,245,.08); }
.neon-item h2 { font-size: 18px; margin-bottom: 7px; }
.neon-item p { color: var(--muted); font-size: 14px; margin: 0; }

.section { padding: 82px 0; }
.section-alt { background: linear-gradient(180deg, rgba(45,0,82,.48), rgba(22,0,43,.40)); border-top: 1px solid rgba(191,255,255,.06); border-bottom: 1px solid rgba(191,255,255,.06); }
.section-heading { max-width: 760px; margin: 0 auto 36px; text-align: center; }
.section-heading p { color: var(--muted); }
.card, .zone-card, .info-card, .review-card { background: var(--card); border: 1px solid var(--border); box-shadow: var(--shadow); backdrop-filter: blur(10px); border-radius: var(--radius); }
.quick-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.quick-card { padding: 20px; transition: transform .2s ease, box-shadow .2s ease; }
.quick-card:hover { transform: translateY(-4px); box-shadow: 0 20px 44px rgba(37,223,245,.12); }
.quick-card p { color: var(--muted); font-size: 14px; }
.quick-card a { color: var(--cyan); text-decoration: none; font-size: 14px; font-weight: 700; }
.content-split { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; align-items: center; }
.content-split.reverse .content-media { order: 2; }
.content-copy p { color: var(--muted); }
.content-list { display: grid; gap: 10px; padding: 0; margin: 22px 0; list-style: none; }
.content-list li { position: relative; padding-left: 24px; color: var(--muted); }
.content-list li::before { content: "◆"; position: absolute; left: 0; color: var(--cyan); font-size: 11px; top: 5px; }
.content-media { padding: 18px; }
.content-media img { width: 100%; max-height: 500px; object-fit: contain; border-radius: 14px; }
.poster-banner { padding: 18px; max-width: 1040px; margin: 0 auto; }
.poster-banner img { width: 100%; object-fit: contain; border-radius: 16px; }
.poster-note { text-align: center; color: var(--muted); margin-top: 15px; }
.game-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.game-card { overflow: hidden; transition: transform .2s ease, box-shadow .2s ease; }
.game-card:hover { transform: translateY(-5px); box-shadow: 0 18px 44px rgba(37,223,245,.16); }
.game-card img { width: 100%; aspect-ratio: 1 / 1; object-fit: contain; background: rgba(22,0,43,.4); }
.game-card-body { padding: 16px; }
.game-card-body h3 { font-size: 17px; }
.game-card-body p { color: var(--muted); font-size: 13px; min-height: 68px; }
.game-card-body .main-btn { width: 100%; min-height: 38px; padding: 7px 10px; font-size: 13px; }
.dual-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.dual-card { padding: 24px; }
.dual-card img { width: 100%; max-height: 360px; object-fit: contain; border-radius: 14px; margin-bottom: 20px; }
.dual-card p { color: var(--muted); }
.activity-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.activity-card { overflow: hidden; }
.activity-card img { width: 100%; max-height: 330px; object-fit: contain; background: rgba(22,0,43,.5); }
.activity-card .content { padding: 24px; }
.activity-card p { color: var(--muted); }
.security-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.security-card { padding: 22px; }
.security-card p { color: var(--muted); }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.review-card { padding: 24px; }
.review-card blockquote { margin: 0; color: #fff; font-size: 16px; }
.review-meta { color: var(--soft); font-size: 13px; margin-top: 16px; }
.faq-list { display: grid; gap: 12px; }
.faq-item { overflow: hidden; }
.faq-item summary { cursor: pointer; list-style: none; padding: 18px 22px; color: var(--title); font-weight: 700; position: relative; padding-right: 52px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%); font-size: 25px; color: var(--cyan); }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { color: var(--muted); padding: 0 22px 20px; margin: 0; }
.responsible-box { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; padding: 30px; }
.responsible-box p { color: var(--muted); margin: 0; }

.page-hero { padding: 74px 0 48px; background: radial-gradient(circle at 78% 24%, rgba(37,223,245,.16), transparent 26%), linear-gradient(180deg, rgba(74,0,127,.32), transparent); }
.page-hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 38px; align-items: center; }
.page-hero h1 { font-size: clamp(38px, 5vw, 66px); }
.page-hero-media { padding: 18px; }
.page-hero-media img { width: 100%; max-height: 430px; object-fit: contain; border-radius: 14px; }
.prose-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.prose-card { padding: 28px; }
.prose-card p { color: var(--muted); }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.info-card { padding: 22px; }
.info-card p { color: var(--muted); font-size: 14px; }
.feature-index { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 50%; background: linear-gradient(135deg, rgba(37,223,245,.22), rgba(240,107,234,.22)); color: var(--title); font-weight: 700; margin-bottom: 14px; }
.split-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.notice-card { padding: 26px; }
.notice-card p { color: var(--muted); }
.final-cta-section { padding-top: 20px; }
.final-cta { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 24px; padding: 30px; background: linear-gradient(110deg, rgba(60,0,100,.84), rgba(37,223,245,.08), rgba(240,107,234,.11)); }
.final-cta p { color: var(--muted); margin: 0; }

.site-footer { background: #140024; color: var(--muted); padding: 58px 0 22px; border-top: 1px solid rgba(191,255,255,.08); }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 34px; }
.footer-brand p { max-width: 470px; }
.footer-logo img { max-width: 170px; max-height: 52px; object-fit: contain; margin-bottom: 18px; }
.site-footer h2 { font-size: 17px; margin-bottom: 14px; }
.site-footer a { display: block; color: var(--muted); text-decoration: none; margin: 8px 0; }
.site-footer a:hover { color: var(--cyan); }
.footer-bottom { margin-top: 34px; padding-top: 18px; border-top: 1px solid rgba(191,255,255,.08); font-size: 13px; }
.footer-bottom p { margin: 0; }
.mobile-quick { display: none; }

@media (max-width: 1080px) {
    .nav-core { display: none; }
    .game-grid { grid-template-columns: repeat(4, 1fr); }
    .quick-grid, .feature-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 820px) {
    :root { --header-h: 66px; }
    .container, .narrow-container { width: min(100% - 28px, 1180px); }
    .header-inner { width: calc(100% - 24px); min-height: var(--header-h); gap: 10px; }
    .site-logo img { max-width: 128px; max-height: 40px; }
    .header-btn { padding: 7px 11px; min-height: 38px; font-size: 13px; }
    .menu-toggle { width: 40px; height: 40px; }
    .hero { min-height: auto; }
    .hero-grid, .page-hero-grid, .content-split, .content-split.reverse, .split-panel, .final-cta { grid-template-columns: 1fr; }
    .hero-grid { padding: 70px 0 100px; text-align: center; }
    .hero-copy { margin: 0 auto; }
    .hero-actions, .hero-points { justify-content: center; }
    .hero-visual img { max-height: 420px; }
    .neon-grid { grid-template-columns: repeat(2, 1fr); }
    .quick-grid, .feature-grid, .security-grid, .review-grid { grid-template-columns: repeat(2, 1fr); }
    .game-grid { grid-template-columns: repeat(3, 1fr); }
    .content-split.reverse .content-media { order: 0; }
    .prose-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .final-cta { text-align: center; }
    .final-cta .main-btn { justify-self: center; }
}

@media (max-width: 600px) {
    body { padding-bottom: 68px; }
    .section { padding: 58px 0; }
    .site-logo img { max-width: 108px; }
    .header-btn { padding: 7px 9px; font-size: 12px; }
    .header-actions { gap: 7px; }
    .hero-grid { padding-top: 54px; gap: 24px; }
    h1 { font-size: 42px; }
    .page-hero h1 { font-size: 40px; }
    .hero-lead { font-size: 15px; }
    .hero-actions { gap: 12px; }
    .main-btn { min-height: 42px; padding: 9px 15px; }
    .neon-strip { margin-top: -20px; }
    .neon-grid, .quick-grid, .feature-grid, .security-grid, .review-grid, .dual-grid, .activity-grid, .footer-grid { grid-template-columns: 1fr; }
    .game-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .game-card-body { padding: 12px; }
    .game-card-body p { min-height: 0; }
    .drawer-nav { grid-template-columns: 1fr; }
    .responsible-box { grid-template-columns: 1fr; text-align: center; }
    .mobile-quick { position: fixed; left: 0; right: 0; bottom: 0; z-index: 9998; height: 62px; display: grid; grid-template-columns: repeat(4, 1fr); padding-bottom: env(safe-area-inset-bottom); background: rgba(22,0,43,.94); backdrop-filter: blur(12px); border-top: 1px solid rgba(191,255,255,.14); }
    .mobile-quick a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px; color: var(--muted); text-decoration: none; font-size: 12px; }
    .mobile-quick a span { color: var(--cyan); font-size: 17px; line-height: 1; }
    .site-footer { padding-bottom: 20px; }
}

@media (max-width: 390px) {
    .header-btn { font-size: 11px; padding-inline: 8px; }
    .site-logo img { max-width: 94px; }
    .menu-toggle { width: 38px; height: 38px; }
}