: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;
    --subtle: #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);
    --gradient: linear-gradient(90deg, #21dff5 0%, #8f7bff 52%, #f06bea 100%);
    --max: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-width: 320px;
    overflow-x: hidden;
    color: var(--text);
    background:
        radial-gradient(circle at 12% 8%, rgba(37, 223, 245, 0.12), transparent 26%),
        radial-gradient(circle at 88% 18%, rgba(240, 107, 234, 0.12), transparent 24%),
        linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 100%);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", 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 { font: inherit; }
main { position: relative; z-index: 2; }

.section-shell {
    width: min(calc(100% - 32px), var(--max));
    margin-inline: auto;
}
.section { padding: 84px 0; }
.section-tight { padding: 54px 0; }
.section-head { max-width: 760px; margin-bottom: 34px; }
.section-head.center { margin-inline: auto; text-align: center; }
.eyebrow {
    display: inline-flex;
    margin: 0 0 12px;
    color: var(--cyan);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    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 { margin: 0 0 18px; font-size: clamp(2.35rem, 6vw, 5rem); }
h2 { margin: 0 0 16px; font-size: clamp(1.85rem, 4vw, 3.1rem); }
h3 { margin: 0 0 10px; font-size: 1.15rem; }
p { margin: 0 0 16px; color: var(--muted); }
.lead { color: #eee7ff; font-size: 1.06rem; }
.text-link {
    color: var(--cyan);
    font-weight: 800;
    text-decoration: underline;
    text-underline-offset: 5px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1200;
    background: rgba(36, 0, 63, 0.72);
    border-bottom: 1px solid rgba(191, 255, 255, 0.10);
    backdrop-filter: blur(18px);
}
.header-inner {
    width: min(calc(100% - 28px), 1320px);
    min-height: 78px;
    margin-inline: auto;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 24px;
}
.brand img { width: 156px; max-height: 52px; object-fit: contain; }
.desktop-nav { display: flex; justify-content: center; align-items: center; gap: clamp(12px, 1.5vw, 24px); }
.desktop-nav a {
    position: relative;
    white-space: nowrap;
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    padding: 8px 0;
}
.desktop-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    transform: scaleX(0);
    background: var(--gradient);
    transition: transform .25s ease;
}
.desktop-nav a:hover::after,
.desktop-nav a.is-active::after { transform: scaleX(1); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 11px 20px;
    background: linear-gradient(90deg, #21dff5 0%, #8f7bff 52%, #f06bea 100%);
    color: #ffffff;
    border: 0;
    border-radius: 6px;
    box-shadow: 0 14px 30px rgba(240,107,234,0.26);
    font-weight: 900;
    white-space: nowrap;
    transition: transform .2s ease, box-shadow .2s ease;
}
.main-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 40px rgba(37,223,245,0.30);
}
.menu-toggle {
    width: 46px;
    height: 44px;
    display: grid;
    place-content: center;
    gap: 5px;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: #fff;
    background: rgba(255,255,255,0.05);
    cursor: pointer;
}
.menu-toggle span { width: 21px; height: 2px; background: #fff; border-radius: 99px; }
.drawer-overlay {
    position: fixed;
    inset: 0;
    z-index: 1998;
    background: rgba(8, 0, 17, 0.68);
    opacity: 0;
    visibility: hidden;
    transition: .25s ease;
}
.side-drawer {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 1999;
    width: min(88vw, 390px);
    height: 100dvh;
    padding: 22px;
    overflow-y: auto;
    background: linear-gradient(180deg, #2f0054 0%, #16002b 100%);
    border-left: 1px solid var(--border);
    transform: translateX(105%);
    transition: transform .28s ease;
}
.drawer-open .drawer-overlay { opacity: 1; visibility: visible; }
.drawer-open .side-drawer { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.drawer-head img { width: 150px; max-height: 50px; object-fit: contain; }
.drawer-close {
    width: 42px;
    height: 42px;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: #fff;
    background: rgba(255,255,255,.06);
    font-size: 1.65rem;
    cursor: pointer;
}
.side-drawer nav { display: grid; gap: 8px; }
.side-drawer nav a {
    padding: 12px 14px;
    border-radius: 8px;
    color: #fff;
    background: rgba(255,255,255,0.04);
    border: 1px solid transparent;
}
.side-drawer nav a:hover { border-color: var(--border); color: var(--cyan); }

.emoji-field { position: fixed; inset: 0; z-index: 1; overflow: hidden; pointer-events: none; }
.emoji-field span {
    position: absolute;
    left: var(--x);
    bottom: -12vh;
    font-size: clamp(1.1rem, 2.2vw, 2rem);
    opacity: .12;
    filter: drop-shadow(0 0 12px rgba(37,223,245,.28));
    animation: emojiFloat var(--duration) linear infinite;
    animation-delay: var(--delay);
}
@keyframes emojiFloat {
    0% { transform: translate3d(0, 0, 0) rotate(-6deg); opacity: 0; }
    12% { opacity: .18; }
    50% { transform: translate3d(22px, -55vh, 0) rotate(6deg); }
    88% { opacity: .14; }
    100% { transform: translate3d(-18px, -118vh, 0) rotate(-8deg); opacity: 0; }
}

.home-hero {
    position: relative;
    min-height: min(850px, calc(100vh - 78px));
    display: grid;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(rgba(22,0,43,.66), rgba(36,0,63,.78)), url('背景.webp') center/cover no-repeat;
}
.home-hero::after {
    content: "";
    position: absolute;
    inset: auto 0 0;
    height: 42%;
    background: linear-gradient(180deg, transparent, rgba(85,0,130,.52), #24003f);
}
.hero-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.08fr .92fr;
    align-items: center;
    gap: 56px;
    padding: 88px 0 112px;
}
.hero-copy { max-width: 700px; }
.hero-copy p { max-width: 680px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; margin-top: 28px; }
.hero-visual { display: grid; place-items: center; }
.hero-visual img {
    width: min(100%, 560px);
    max-height: 520px;
    object-fit: contain;
    filter: drop-shadow(0 28px 50px rgba(0,0,0,.42)) drop-shadow(0 0 30px rgba(37,223,245,.18));
}

.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);
    border-radius: 18px;
}
.highlight-strip {
    position: relative;
    z-index: 3;
    width: min(calc(100% - 32px), var(--max));
    margin: -46px auto 0;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    overflow: hidden;
    background: linear-gradient(90deg, rgba(37,223,245,.10), rgba(143,123,255,.12), rgba(240,107,234,.10));
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: 0 22px 60px rgba(0,0,0,.34);
}
.highlight-strip article { padding: 22px; }
.highlight-strip article + article { border-left: 1px solid rgba(191,255,255,.10); }
.highlight-strip h3 { font-size: 1rem; }
.highlight-strip p { margin: 0; font-size: .9rem; }

.capsule-nav { display: flex; flex-wrap: wrap; gap: 12px; }
.capsule-nav a {
    padding: 10px 16px;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: #efe8ff;
    background: rgba(255,255,255,.04);
    transition: .2s ease;
}
.capsule-nav a:hover { color: var(--cyan); border-color: rgba(37,223,245,.5); transform: translateY(-2px); }

.split-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 48px; }
.copy-stack p { max-width: 720px; }
.content-img, .zone-card img, .app-section img, .hero-visual img, .poster-banner img {
    max-width: 100%;
    height: auto;
    object-fit: contain;
}
.image-card { padding: 24px; }
.image-card img { width: 100%; max-height: 500px; object-fit: contain; }
.poster-banner { width: min(calc(100% - 32px), 1040px); margin: 0 auto; }
.poster-banner img { width: 100%; border-radius: 24px; box-shadow: 0 24px 70px rgba(0,0,0,.4); }

.quick-grid, .feature-grid, .review-grid, .news-grid, .activity-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}
.quick-card, .info-card, .news-card, .activity-card { padding: 24px; }
.feature-index {
    display: inline-flex;
    margin-bottom: 12px;
    color: var(--cyan);
    font-weight: 900;
    letter-spacing: .08em;
}
.quick-card { transition: transform .22s ease, box-shadow .22s ease; }
.quick-card:hover { transform: translateY(-5px); box-shadow: 0 20px 48px rgba(37,223,245,.14); }
.quick-card p { margin-bottom: 0; }

.game-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 18px;
}
.game-card { overflow: hidden; transition: transform .22s ease, box-shadow .22s ease; }
.game-card:hover { transform: translateY(-6px); box-shadow: 0 18px 44px rgba(37,223,245,.18); }
.game-card img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; background: var(--bg-soft); }
.game-card__body { padding: 16px; }
.game-card__body p { font-size: .9rem; min-height: 78px; }
.game-card__body a { color: var(--cyan); font-weight: 800; }

.steps-list { display: grid; gap: 16px; }
.step-card {
    display: grid;
    grid-template-columns: 58px 1fr;
    gap: 18px;
    align-items: start;
    padding: 22px;
    border-radius: 16px;
    background: rgba(60,0,100,.42);
    border: 1px solid var(--border);
}
.step-card > span {
    color: var(--cyan);
    font-size: 1.25rem;
    font-weight: 900;
}
.step-card p { margin-bottom: 0; }

.activity-card img { width: 100%; aspect-ratio: 16/10; object-fit: contain; margin-bottom: 18px; border-radius: 12px; background: rgba(255,255,255,.03); }
.app-points { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 24px; }
.app-point { padding: 18px; border: 1px solid var(--border); border-radius: 14px; background: rgba(255,255,255,.035); }
.app-point strong { display: block; color: var(--title); margin-bottom: 6px; }
.app-point p { margin: 0; font-size: .92rem; }

.review-card {
    margin: 0;
    padding: 24px;
    border-radius: 18px;
    background: rgba(60,0,100,.50);
    border: 1px solid var(--border);
}
.review-card p { color: #f3edff; }
.review-card footer { color: var(--cyan); font-size: .9rem; font-weight: 800; }

.faq-list { display: grid; gap: 12px; }
.faq-item {
    border: 1px solid var(--border);
    border-radius: 14px;
    background: rgba(60,0,100,.42);
    overflow: hidden;
}
.faq-item summary {
    cursor: pointer;
    padding: 18px 20px;
    color: var(--title);
    font-weight: 800;
}
.faq-item p { padding: 0 20px 20px; margin: 0; }

.compliance-notice {
    width: min(calc(100% - 32px), var(--max));
    margin: 0 auto 84px;
    padding: 26px;
    border: 1px solid rgba(37,223,245,.22);
    border-radius: 18px;
    background: linear-gradient(90deg, rgba(37,223,245,.08), rgba(240,107,234,.08));
}
.compliance-notice strong { display: block; color: var(--title); margin-bottom: 8px; }
.compliance-notice p { margin: 0; }

.page-hero {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 28px;
    align-items: stretch;
    padding-top: 64px;
    padding-bottom: 36px;
}
.page-hero__content { padding: clamp(28px, 5vw, 58px); display: flex; flex-direction: column; justify-content: center; }
.page-hero__content h1 { font-size: clamp(2.2rem, 5vw, 4.3rem); }
.page-hero__visual { min-height: 340px; padding: 24px; display: grid; place-items: center; }
.page-hero__visual img { max-height: 470px; }
.prose-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.prose-card { padding: 30px; }
.prose-card p:last-child { margin-bottom: 0; }
.notice-list { display: grid; gap: 12px; margin: 22px 0 0; padding: 0; list-style: none; }
.notice-list li { padding: 14px 16px; border-left: 3px solid var(--cyan); background: rgba(255,255,255,.035); color: var(--muted); }

.site-footer { position: relative; z-index: 2; background: #140024; color: #d8c7ff; border-top: 1px solid rgba(191,255,255,.08); }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 36px; padding-top: 56px; padding-bottom: 42px; }
.footer-brand img { width: 170px; margin-bottom: 18px; }
.site-footer h3 { font-size: 1rem; }
.site-footer a { display: block; margin: 8px 0; color: var(--muted); }
.site-footer a:hover { color: var(--cyan); }
.footer-bottom { padding: 18px 16px; text-align: center; border-top: 1px solid rgba(191,255,255,.07); }
.footer-bottom p { margin: 0; font-size: .88rem; color: var(--subtle); }

@media (max-width: 1100px) {
    .desktop-nav { display: none; }
    .header-inner { grid-template-columns: auto 1fr; }
    .header-actions { justify-self: end; }
    .game-grid { grid-template-columns: repeat(4, minmax(0,1fr)); }
    .quick-grid, .feature-grid, .review-grid, .news-grid, .activity-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
    .footer-grid > div:last-child { grid-column: 2 / 4; }
}

@media (max-width: 820px) {
    .hero-grid, .split-grid, .page-hero, .prose-grid { grid-template-columns: 1fr; }
    .home-hero { min-height: auto; }
    .hero-grid { padding: 68px 0 108px; }
    .hero-copy { text-align: center; margin-inline: auto; }
    .hero-copy p { margin-inline: auto; }
    .hero-actions { justify-content: center; }
    .hero-visual img { max-height: 410px; }
    .highlight-strip { grid-template-columns: repeat(2, 1fr); }
    .highlight-strip article + article { border-left: 0; }
    .highlight-strip article:nth-child(even) { border-left: 1px solid rgba(191,255,255,.10); }
    .highlight-strip article:nth-child(n+3) { border-top: 1px solid rgba(191,255,255,.10); }
    .game-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
    .page-hero__visual { min-height: auto; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid > div:last-child { grid-column: auto; }
}

@media (max-width: 580px) {
    .section { padding: 64px 0; }
    .section-shell { width: min(calc(100% - 22px), var(--max)); }
    .header-inner { min-height: 68px; gap: 10px; width: calc(100% - 16px); }
    .brand img { width: 118px; max-height: 42px; }
    .header-actions { gap: 8px; }
    .header-cta { min-height: 40px; padding: 9px 12px; font-size: .82rem; }
    .menu-toggle { width: 42px; height: 40px; }
    .hero-grid { padding-top: 50px; gap: 28px; }
    .highlight-strip { width: calc(100% - 22px); grid-template-columns: 1fr; }
    .highlight-strip article:nth-child(even) { border-left: 0; }
    .highlight-strip article:nth-child(n+2) { border-top: 1px solid rgba(191,255,255,.10); }
    .quick-grid, .feature-grid, .review-grid, .news-grid, .activity-grid { grid-template-columns: 1fr; }
    .game-grid { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; }
    .game-card__body { padding: 12px; }
    .game-card__body p { min-height: 0; font-size: .84rem; }
    .app-points { grid-template-columns: 1fr; }
    .step-card { grid-template-columns: 42px 1fr; padding: 18px; }
    .page-hero { padding-top: 34px; }
    .page-hero__content { padding: 26px; }
    .footer-grid { grid-template-columns: 1fr; }
    .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; }
}