:root {
    --bg: #24003f;
    --bg-deep: #16002b;
    --bg-soft: #2d0052;
    --bg-bright: #3b006b;
    --bg-vivid: #4a007f;
    --cyan: #25dff5;
    --pink: #f06bea;
    --violet: #8f7bff;
    --title: #bfffff;
    --text: #ffffff;
    --text-soft: #d8c7ff;
    --text-muted: #b99ee8;
    --card: rgba(60, 0, 100, .56);
    --border: rgba(191, 255, 255, .14);
    --shadow: 0 18px 46px rgba(0, 0, 0, .32);
    --radius: 18px;
    --max: 1240px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-width: 320px;
    overflow-x: hidden;
    background:
      radial-gradient(circle at 10% 8%, rgba(37, 223, 245, .12), transparent 26%),
      radial-gradient(circle at 88% 20%, rgba(240, 107, 234, .13), transparent 30%),
      linear-gradient(180deg, #24003f 0%, #1b0033 42%, #24003f 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 { max-width: 100%; height: auto; display: block; }
button, a { -webkit-tap-highlight-color: transparent; }
.site-header {
    position: sticky;
    top: 0;
    z-index: 9999;
    width: 100%;
    background: rgba(36, 0, 63, .72);
    border-bottom: 1px solid rgba(191, 255, 255, .10);
    backdrop-filter: blur(14px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, .22);
}
.header-inner {
    width: min(calc(100% - 32px), 1280px);
    min-height: 72px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}
.site-logo { flex: 0 0 auto; display: flex; align-items: center; text-decoration: none; }
.site-logo img { max-height: 46px; width: auto; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 8px; }
.nav-core a {
    padding: 8px 11px;
    border-radius: 999px;
    color: #fff;
    text-decoration: none;
    white-space: nowrap;
    font-size: 15px;
    transition: .25s 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: 11px 20px;
    border: 0;
    border-radius: 10px;
    background: linear-gradient(90deg, #21dff5 0%, #8f7bff 52%, #f06bea 100%);
    color: #fff;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 14px 30px rgba(240, 107, 234, .26);
    transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
}
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 18px 40px rgba(37, 223, 245, .30); filter: brightness(1.06); }
.menu-toggle {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid rgba(191, 255, 255, .18);
    background: rgba(255, 255, 255, .06);
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
}
.menu-toggle span { width: 20px; height: 2px; border-radius: 4px; background: #fff; }
.drawer-mask {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(7, 0, 14, .72);
    opacity: 0;
    visibility: hidden;
    transition: .28s ease;
}
.site-drawer {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 10001;
    width: min(390px, 88vw);
    height: 100dvh;
    padding: 22px;
    overflow-y: auto;
    background: linear-gradient(180deg, #2d0052 0%, #16002b 100%);
    border-left: 1px solid rgba(191, 255, 255, .15);
    box-shadow: -24px 0 60px rgba(0, 0, 0, .45);
    transform: translateX(104%);
    transition: .28s ease;
}
.drawer-open .drawer-mask { opacity: 1; visibility: visible; }
.drawer-open .site-drawer { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 20px; }
.drawer-logo img { max-height: 46px; width: auto; }
.drawer-close { border: 0; background: transparent; color: var(--title); font-size: 34px; line-height: 1; cursor: pointer; }
.drawer-nav { display: grid; gap: 5px; }
.drawer-nav a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 11px 12px;
    border-radius: 11px;
    color: var(--text-soft);
    text-decoration: none;
    border: 1px solid transparent;
}
.drawer-nav a:hover, .drawer-nav a.active { color: #fff; border-color: rgba(37, 223, 245, .18); background: rgba(37, 223, 245, .08); }
.drawer-nav span { color: var(--cyan); font-size: 20px; }
.drawer-cta { width: 100%; margin-top: 22px; }
.container { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; }
.section { padding: 78px 0; position: relative; }
.section-sm { padding: 48px 0; }
.section-dark { background: rgba(14, 0, 28, .34); border-top: 1px solid rgba(191, 255, 255, .06); border-bottom: 1px solid rgba(191, 255, 255, .06); }
.section-kicker { margin: 0 0 7px; color: var(--pink); font-weight: 800; letter-spacing: .08em; font-size: 13px; text-transform: uppercase; }
.section-title, h1, h2, h3 { color: var(--title); text-shadow: 0 0 18px rgba(37, 223, 245, .20); line-height: 1.3; }
.section-title { font-size: clamp(28px, 4vw, 44px); margin: 0 0 16px; }
.section-lead { max-width: 820px; margin: 0; color: var(--text-soft); font-size: 17px; }
.text-link { color: var(--cyan); text-decoration: none; font-weight: 700; }
.text-link:hover { color: var(--pink); }
.card, .zone-card, .info-card, .review-card, .faq-item, .notice-box {
    background: var(--card);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
    border-radius: var(--radius);
}
.hero {
    min-height: min(780px, calc(100vh - 72px));
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background:
      linear-gradient(90deg, rgba(22, 0, 43, .92) 0%, rgba(36, 0, 63, .76) 48%, rgba(36, 0, 63, .46) 100%),
      url('背景.webp') center/cover no-repeat;
}
.hero::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 180px;
    background: linear-gradient(180deg, transparent, #24003f);
    pointer-events: none;
}
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 34px; padding: 74px 0 110px; }
.hero-copy h1 { margin: 8px 0 14px; font-size: clamp(44px, 8vw, 86px); letter-spacing: -.03em; }
.hero-subtitle { margin: 0 0 18px; color: var(--cyan); font-size: clamp(20px, 3vw, 30px); font-weight: 800; }
.hero-copy p { max-width: 720px; color: var(--text-soft); font-size: 17px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 26px; }
.hero-note { color: var(--text-muted); font-size: 14px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.hero-tags span { padding: 8px 12px; border: 1px solid rgba(191, 255, 255, .18); border-radius: 999px; background: rgba(255, 255, 255, .05); color: #fff; }
.hero-visual { position: relative; }
.hero-visual::before { content: ""; position: absolute; inset: 12% 12%; border-radius: 50%; background: radial-gradient(circle, rgba(37,223,245,.25), rgba(240,107,234,.12) 46%, transparent 72%); filter: blur(18px); }
.hero-visual img { position: relative; width: min(100%, 620px); margin: 0 auto; object-fit: contain; filter: drop-shadow(0 28px 40px rgba(0,0,0,.42)); }
.highlight-strip { position: relative; z-index: 3; margin-top: -48px; }
.highlight-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.highlight-item { padding: 20px; border-radius: 16px; background: linear-gradient(135deg, rgba(37,223,245,.12), rgba(143,123,255,.12), rgba(240,107,234,.12)); border: 1px solid rgba(191,255,255,.16); box-shadow: var(--shadow); }
.highlight-item h3 { margin: 0 0 8px; font-size: 18px; }
.highlight-item p { margin: 0; color: var(--text-soft); font-size: 14px; }
.quick-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 30px; }
.quick-card { min-height: 170px; padding: 22px; display: flex; flex-direction: column; justify-content: space-between; transition: .25s ease; }
.quick-card:hover { transform: translateY(-5px); border-color: rgba(37,223,245,.34); box-shadow: 0 22px 46px rgba(37,223,245,.12); }
.quick-card h3 { margin: 0 0 8px; font-size: 19px; }
.quick-card p { margin: 0 0 14px; color: var(--text-soft); font-size: 14px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; align-items: center; }
.split.reverse .split-media { order: 2; }
.split-media img { width: 100%; max-height: 560px; object-fit: contain; border-radius: 20px; filter: drop-shadow(0 25px 45px rgba(0,0,0,.35)); }
.split-copy p { color: var(--text-soft); }
.check-list { display: grid; gap: 10px; padding: 0; margin: 22px 0; list-style: none; }
.check-list li { position: relative; padding-left: 28px; color: var(--text-soft); }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--cyan); font-weight: 900; }
.poster-banner { padding: 14px; max-width: 1040px; margin: 0 auto; }
.poster-banner img { width: 100%; height: auto; object-fit: contain; border-radius: 14px; }
.poster-caption { max-width: 900px; margin: 18px auto 0; text-align: center; color: var(--text-soft); }
.game-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin-top: 30px; }
.game-card { overflow: hidden; padding: 12px; transition: .25s ease; }
.game-card:hover { transform: translateY(-6px); border-color: rgba(37,223,245,.35); box-shadow: 0 24px 48px rgba(37,223,245,.14); }
.game-card img { width: 100%; aspect-ratio: 1/1; object-fit: contain; border-radius: 13px; background: rgba(22,0,43,.45); }
.game-card-body { padding: 13px 5px 5px; }
.game-card h3 { margin: 0 0 7px; font-size: 17px; }
.game-card p { margin: 0 0 13px; color: var(--text-soft); font-size: 13px; }
.game-card .main-btn { width: 100%; min-height: 38px; padding: 8px 10px; font-size: 13px; }
.dual-grid, .news-grid, .safety-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-top: 30px; }
.feature-panel { padding: 24px; overflow: hidden; }
.feature-panel img { width: 100%; max-height: 300px; object-fit: contain; margin-bottom: 18px; border-radius: 14px; }
.feature-panel h3 { margin: 0 0 10px; font-size: 25px; }
.feature-panel p { color: var(--text-soft); }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 28px; }
.review-card { padding: 22px; }
.review-card p { margin: 0 0 14px; color: var(--text-soft); }
.review-meta { display: flex; align-items: center; justify-content: space-between; color: var(--cyan); font-size: 13px; }
.faq-list { display: grid; gap: 14px; margin-top: 28px; }
.faq-item { padding: 20px 22px; }
.faq-item h3 { margin: 0 0 7px; font-size: 18px; }
.faq-item p { margin: 0; color: var(--text-soft); }
.notice-box { padding: 24px; background: linear-gradient(135deg, rgba(37,223,245,.08), rgba(240,107,234,.10)); }
.notice-box h2, .notice-box h3 { margin-top: 0; }
.notice-box p { margin-bottom: 0; color: var(--text-soft); }
.inner-hero { padding: 90px 0 70px; position: relative; overflow: hidden; background: radial-gradient(circle at 82% 20%, rgba(240,107,234,.18), transparent 30%), linear-gradient(145deg, rgba(59,0,107,.80), rgba(22,0,43,.96)); border-bottom: 1px solid rgba(191,255,255,.08); }
.inner-hero::before { content: ""; position: absolute; width: 320px; height: 320px; border-radius: 50%; right: -100px; bottom: -160px; background: rgba(37,223,245,.10); filter: blur(20px); }
.inner-hero h1 { margin: 6px 0 14px; font-size: clamp(38px, 6vw, 64px); }
.inner-hero p { max-width: 820px; margin: 0; color: var(--text-soft); font-size: 18px; }
.content-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 32px; align-items: start; margin-top: 28px; }
.content-copy { padding: 28px; }
.content-copy p { color: var(--text-soft); }
.content-image { padding: 18px; }
.content-image img { width: 100%; max-height: 480px; object-fit: contain; border-radius: 14px; }
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 28px; }
.info-card { padding: 22px; }
.info-card h3 { margin: 0 0 8px; font-size: 20px; }
.info-card p { margin: 0; color: var(--text-soft); }
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 28px; }
.step { position: relative; padding: 22px; }
.step::before { counter-increment: step; content: counter(step, decimal-leading-zero); display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; margin-bottom: 12px; border-radius: 50%; background: rgba(37,223,245,.12); color: var(--cyan); font-weight: 900; }
.step h3 { margin: 0 0 8px; }
.step p { margin: 0; color: var(--text-soft); font-size: 14px; }
.activity-visuals { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 28px; }
.activity-visuals img { width: 100%; max-height: 340px; object-fit: contain; border-radius: 16px; background: rgba(22,0,43,.35); }
.site-footer { background: #140024; color: var(--text-soft); padding-top: 60px; border-top: 1px solid rgba(191,255,255,.08); }
.footer-inner { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; display: grid; grid-template-columns: 1.2fr 1.8fr; gap: 48px; }
.footer-brand img { max-height: 48px; width: auto; margin-bottom: 18px; }
.footer-brand p { max-width: 560px; margin: 0; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer-links h3 { margin-top: 0; font-size: 17px; }
.footer-links a { display: block; margin: 8px 0; color: var(--text-soft); text-decoration: none; }
.footer-links a:hover { color: var(--cyan); }
.footer-bottom { margin-top: 44px; padding: 18px 16px; text-align: center; border-top: 1px solid rgba(191,255,255,.08); color: var(--text-muted); font-size: 13px; }
.mobile-quick { display: none; }
@media (max-width: 1100px) {
    .nav-core { display: none; }
    .game-grid { grid-template-columns: repeat(4, 1fr); }
    .quick-grid { grid-template-columns: repeat(3, 1fr); }
    .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
    .hero-grid, .split, .content-grid, .footer-inner { grid-template-columns: 1fr; }
    .hero { min-height: auto; }
    .hero-grid { padding-top: 54px; text-align: center; }
    .hero-copy p { margin-left: auto; margin-right: auto; }
    .hero-actions, .hero-tags { justify-content: center; }
    .hero-visual { max-width: 620px; margin: 0 auto; }
    .split.reverse .split-media { order: 0; }
    .highlight-grid { grid-template-columns: repeat(2, 1fr); }
    .quick-grid { grid-template-columns: repeat(2, 1fr); }
    .game-grid { grid-template-columns: repeat(3, 1fr); }
    .review-grid, .info-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-links { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
    body { padding-bottom: 72px; }
    .header-inner { width: min(calc(100% - 20px), 1280px); min-height: 64px; gap: 8px; }
    .site-logo img { max-height: 38px; max-width: 118px; object-fit: contain; }
    .header-actions { gap: 7px; }
    .header-cta { min-height: 38px; padding: 8px 12px; font-size: 13px; border-radius: 8px; }
    .menu-toggle { width: 40px; height: 40px; }
    .container { width: min(calc(100% - 22px), var(--max)); }
    .section { padding: 58px 0; }
    .section-sm { padding: 38px 0; }
    .hero-grid { padding: 44px 0 92px; }
    .hero-copy h1 { font-size: 44px; }
    .hero-subtitle { font-size: 19px; }
    .hero-copy p, .inner-hero p, .section-lead { font-size: 15px; }
    .highlight-strip { margin-top: -34px; }
    .highlight-grid, .dual-grid, .news-grid, .safety-grid, .activity-visuals { grid-template-columns: 1fr; }
    .highlight-item { padding: 17px; }
    .quick-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .quick-card { min-height: 160px; padding: 17px; }
    .game-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .game-card { padding: 9px; }
    .review-grid, .info-grid, .steps { grid-template-columns: 1fr; }
    .footer-links { grid-template-columns: 1fr 1fr; }
    .inner-hero { padding: 62px 0 50px; }
    .content-copy { padding: 20px; }
    .mobile-quick {
        position: fixed;
        left: 10px; right: 10px; bottom: 8px;
        z-index: 9000;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        padding: 8px;
        border: 1px solid rgba(191,255,255,.14);
        border-radius: 16px;
        background: rgba(22,0,43,.92);
        backdrop-filter: blur(14px);
        box-shadow: 0 12px 30px rgba(0,0,0,.42);
    }
    .mobile-quick a { display: flex; flex-direction: column; align-items: center; gap: 2px; color: var(--text-soft); text-decoration: none; font-size: 12px; }
    .mobile-quick span { color: var(--cyan); font-size: 17px; line-height: 1; }
}
@media (max-width: 390px) {
    .site-logo img { max-width: 100px; }
    .header-cta { padding: 8px 9px; }
    .quick-grid { grid-template-columns: 1fr; }
    .footer-links { grid-template-columns: 1fr; }
}
