:root {
    --bg: #FFFFFF;
    --mint: #F4FBF8;
    --gray: #F7F8F8;
    --warm: #FFF9F0;
    --text: #111111;
    --muted: #62666A;
    --weak: #8A8D91;
    --border: #DDE7E4;
    --line: #B4B9BB;
    --mint-deco: #EAF5F1;
    --radius: 22px;
    --shadow: 0 16px 50px rgba(17, 17, 17, .06);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif; font-size: 17px; line-height: 1.82; overflow-x: hidden; }
body.menu-open { overflow: hidden; }
a { color: inherit; }
img { max-width: 100%; height: auto; display: block; object-fit: contain; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible { outline: 3px solid #70AFA0; outline-offset: 3px; }
.site-header { position: sticky; top: 0; width: 100%; z-index: 9999; background: rgba(255,255,255,.97); border-bottom: 1px solid var(--border); backdrop-filter: blur(12px); }
.header-inner { position: relative; width: 100%; max-width: 1280px; min-height: 74px; margin: 0 auto; padding: 0 22px; display: flex; align-items: center; justify-content: space-between; }
.menu-toggle { width: 44px; height: 44px; padding: 0; border: 0; background: transparent; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: 6px; cursor: pointer; }
.menu-toggle span { display: block; width: 27px; height: 2px; background: var(--text); transition: .25s ease; }
.site-logo { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: flex; align-items: center; justify-content: center; }
.site-logo img { width: auto; max-width: 150px; max-height: 48px; }
.header-game-btn, .main-btn { min-height: 44px; padding: 0 22px; display: inline-flex; align-items: center; justify-content: center; background: var(--text); color: #fff; border: 1px solid var(--text); border-radius: 999px; text-decoration: none; font-weight: 600; white-space: nowrap; transition: .25s ease; }
.header-game-btn { min-width: 92px; height: 42px; padding: 0 20px; font-size: 15px; }
.header-game-btn:hover, .main-btn:hover { background: #fff; color: var(--text); }
.text-link { display: inline-flex; align-items: center; gap: 6px; color: var(--text); font-weight: 700; text-decoration: none; border-bottom: 1px solid currentColor; }
.text-link:hover { opacity: .62; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(17,17,17,.34); opacity: 0; transition: opacity .22s ease; }
.drawer-overlay.visible { opacity: 1; }
.site-drawer { position: fixed; inset: 0 auto 0 0; width: 430px; max-width: 88vw; z-index: 10001; background: #fff; transform: translateX(-102%); transition: transform .28s ease; padding: 24px 30px 30px; display: flex; flex-direction: column; box-shadow: 20px 0 60px rgba(17,17,17,.12); overflow-y: auto; }
.site-drawer.open { transform: translateX(0); }
.drawer-head { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }
.drawer-logo img { max-width: 130px; max-height: 44px; }
.drawer-close { width: 44px; height: 44px; border: 0; border-radius: 50%; background: var(--gray); font-size: 30px; line-height: 1; cursor: pointer; }
.drawer-nav { display: flex; flex-direction: column; margin: 12px 0 24px; }
.drawer-nav a { padding: 13px 2px; border-bottom: 1px solid #edf1f0; font-size: 20px; font-weight: 700; text-decoration: none; }
.drawer-nav a:hover, .drawer-nav a.active { color: #477d71; }
.drawer-foot { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--border); }
.drawer-foot p { margin: 0 0 14px; color: var(--muted); font-size: 14px; letter-spacing: .08em; }
main { display: block; }
.container { width: min(1280px, calc(100% - 44px)); margin: 0 auto; }
.reading { width: min(860px, 100%); }
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.section-mint { background: var(--mint); }
.section-gray { background: var(--gray); }
.section-warm { background: var(--warm); }
.eyebrow { margin: 0 0 14px; font-size: 13px; line-height: 1.4; letter-spacing: .15em; text-transform: uppercase; font-weight: 800; color: #477d71; }
h1, h2, h3 { margin: 0; line-height: 1.16; letter-spacing: -.03em; }
h1 { font-size: clamp(42px, 5vw, 64px); }
h2 { font-size: clamp(30px, 3.6vw, 42px); }
h3 { font-size: 22px; }
p { margin: 0 0 1.15em; }
.lead { max-width: 760px; margin-top: 22px; color: var(--muted); font-size: 18px; line-height: 1.85; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 36px; }
.section-head p { max-width: 640px; margin: 12px 0 0; color: var(--muted); }
.hero { padding: 84px 0 88px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; gap: 72px; align-items: center; }
.hero-copy { position: relative; z-index: 2; }
.hero-copy .lead { margin-bottom: 28px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; }
.hero-visual { position: relative; }
.hero-visual::before { content: ''; position: absolute; width: 72%; aspect-ratio: 1; border-radius: 50%; background: var(--mint-deco); right: -12%; top: -12%; z-index: -1; }
.hero-visual img { width: 100%; border-radius: var(--radius); box-shadow: var(--shadow); }
.category-strip { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: #fff; }
.category-scroll { display: flex; gap: 28px; overflow-x: auto; padding: 17px 0; scrollbar-width: none; }
.category-scroll::-webkit-scrollbar { display: none; }
.category-scroll a { flex: 0 0 auto; color: var(--muted); text-decoration: none; font-weight: 700; padding-bottom: 4px; border-bottom: 2px solid transparent; }
.category-scroll a:hover, .category-scroll a.active { color: var(--text); border-color: var(--text); }
.feature-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 24px; }
.feature-main, .feature-side-card { border: 1px solid var(--border); border-radius: var(--radius); background: #fff; overflow: hidden; }
.feature-main { display: grid; grid-template-columns: 1.1fr .9fr; min-height: 510px; }
.feature-main .cover { background: var(--mint); display: flex; align-items: center; }
.feature-main .content { padding: 46px; display: flex; flex-direction: column; justify-content: center; }
.feature-side { display: grid; gap: 24px; }
.feature-side-card { display: grid; grid-template-columns: 42% 1fr; align-items: center; }
.feature-side-card img { height: 100%; width: 100%; object-fit: cover; }
.feature-side-card .content { padding: 24px; }
.game-meta { display: inline-block; margin-bottom: 10px; color: #477d71; font-weight: 800; font-size: 13px; letter-spacing: .04em; }
.card-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-top: 18px; }
.card-actions .main-btn { min-height: 40px; padding: 0 18px; font-size: 14px; }
.game-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 22px; }
.game-grid.library { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.game-card { background: #fff; border: 1px solid var(--border); border-radius: 18px; overflow: hidden; transition: transform .22s ease, box-shadow .22s ease; }
.game-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.game-cover { aspect-ratio: 1 / 1; background: var(--gray); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.game-cover img { width: 100%; height: auto; object-fit: contain; }
.game-card-body { padding: 20px; }
.game-card-body p { color: var(--muted); font-size: 15px; line-height: 1.7; }
.game-card-body .main-btn { width: 100%; margin-top: 8px; min-height: 40px; font-size: 14px; }
.poster-wrap img { width: 100%; height: auto; object-fit: contain; border-radius: 20px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.split.reverse .split-media { order: 2; }
.split-media img { width: 100%; border-radius: var(--radius); }
.check-list, .plain-list { list-style: none; margin: 24px 0 0; padding: 0; }
.check-list li, .plain-list li { position: relative; padding: 10px 0 10px 30px; border-bottom: 1px solid rgba(221,231,228,.8); }
.check-list li::before { content: '✓'; position: absolute; left: 0; top: 10px; font-weight: 900; color: #477d71; }
.promo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.promo-card { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: #fff; }
.promo-card .content { padding: 28px; }
.news-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 38px; }
.news-feature { background: var(--mint); border-radius: var(--radius); padding: 42px; }
.news-feature img { border-radius: 16px; margin-bottom: 26px; }
.news-list { border-top: 1px solid var(--border); }
.news-item { display: grid; grid-template-columns: 126px 1fr; gap: 22px; padding: 24px 0; border-bottom: 1px solid var(--border); text-decoration: none; }
.news-item .tag { color: #477d71; font-size: 13px; font-weight: 800; }
.news-item p { margin: 5px 0 0; color: var(--muted); font-size: 15px; }
.quote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.quote-card { padding: 28px; background: #fff; border: 1px solid var(--border); border-radius: 18px; box-shadow: 0 10px 30px rgba(17,17,17,.035); }
.quote-card p { margin: 0; color: #34383a; }
.quote-card strong { display: block; margin-top: 18px; font-size: 14px; }
.faq-list { border-top: 1px solid var(--border); }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-button { width: 100%; padding: 23px 0; display: flex; align-items: center; justify-content: space-between; gap: 24px; border: 0; background: transparent; color: var(--text); text-align: left; font: inherit; font-weight: 800; cursor: pointer; }
.faq-button::after { content: '+'; font-size: 26px; font-weight: 400; }
.faq-button[aria-expanded="true"]::after { content: '−'; }
.faq-panel { padding: 0 0 24px; color: var(--muted); max-width: 900px; }
.page-hero { padding: 82px 0 64px; border-bottom: 1px solid var(--border); background: linear-gradient(180deg, #fff 0%, #fbfdfc 100%); }
.page-hero .lead { max-width: 850px; }
.content-columns { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr); gap: 70px; }
.content-columns aside { align-self: start; padding: 28px; border: 1px solid var(--border); border-radius: 18px; background: var(--mint); }
.content-columns aside h3 { margin-bottom: 16px; }
.prose h2 { margin: 52px 0 20px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin: 32px 0 14px; }
.prose p { color: #34383a; }
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.info-card { padding: 30px; border: 1px solid var(--border); border-radius: 18px; background: #fff; }
.info-card p { margin: 12px 0 0; color: var(--muted); }
.timeline { display: grid; gap: 20px; }
.timeline-item { display: grid; grid-template-columns: 140px 1fr; gap: 30px; padding: 26px 0; border-bottom: 1px solid var(--border); }
.timeline-item .label { color: #477d71; font-weight: 800; }
.notice { padding: 28px; border-left: 4px solid #70AFA0; background: var(--mint); border-radius: 0 16px 16px 0; }
.site-footer { background: #111; color: #fff; padding: 72px 0 28px; }
.footer-inner { width: min(1280px, calc(100% - 44px)); margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 54px; }
.footer-brand img { max-width: 140px; max-height: 48px; filter: brightness(0) invert(1); margin-bottom: 22px; }
.footer-brand p { max-width: 360px; color: #BFC4C5; font-size: 15px; }
.footer-grid h2 { font-size: 16px; margin-bottom: 18px; }
.footer-grid > div:not(.footer-brand) { display: flex; flex-direction: column; align-items: flex-start; }
.footer-grid a { margin: 5px 0; color: #BFC4C5; text-decoration: none; font-size: 15px; }
.footer-grid a:hover { color: #fff; }
.footer-bottom { margin-top: 52px; padding-top: 24px; border-top: 1px solid #343737; display: flex; justify-content: space-between; gap: 40px; color: #BFC4C5; font-size: 13px; }
.footer-bottom p { margin: 0; max-width: 760px; }
@media (max-width: 1100px) {
    .game-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .game-grid.library { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .feature-grid { grid-template-columns: 1fr; }
    .feature-side { grid-template-columns: 1fr 1fr; }
    .quote-grid { grid-template-columns: repeat(2, 1fr); }
    .info-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
    .section { padding: 72px 0; }
    .hero { padding: 64px 0 70px; }
    .hero-grid, .split, .content-columns, .news-layout { grid-template-columns: 1fr; gap: 44px; }
    .split.reverse .split-media { order: 0; }
    .feature-main { grid-template-columns: 1fr; }
    .feature-main .content { padding: 34px; }
    .promo-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 767px) {
    body { font-size: 16px; line-height: 1.78; }
    .container, .footer-inner { width: min(100% - 28px, 1280px); }
    .header-inner { min-height: 66px; padding: 0 14px; }
    .menu-toggle { width: 40px; height: 40px; }
    .menu-toggle span { width: 25px; }
    .site-logo img { max-width: 110px; max-height: 40px; }
    .header-game-btn { min-width: 78px; height: 40px; padding: 0 15px; font-size: 14px; }
    .site-drawer { width: min(88vw, 390px); padding: 20px 22px 26px; }
    .hero { padding: 56px 0 62px; }
    .hero-grid { gap: 36px; }
    h1 { font-size: clamp(34px, 10vw, 42px); }
    h2 { font-size: clamp(26px, 8vw, 32px); }
    .lead { font-size: 16px; }
    .section { padding: 60px 0; }
    .section-sm { padding: 48px 0; }
    .section-head { align-items: flex-start; flex-direction: column; margin-bottom: 28px; }
    .feature-side { grid-template-columns: 1fr; }
    .feature-side-card { grid-template-columns: 40% 1fr; }
    .game-grid, .game-grid.library { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
    .game-card-body { padding: 15px; }
    .game-card-body h3 { font-size: 18px; }
    .game-card-body p { font-size: 14px; }
    .quote-grid, .info-grid { grid-template-columns: 1fr; }
    .timeline-item { grid-template-columns: 1fr; gap: 8px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px 24px; }
    .footer-brand { grid-column: 1 / -1; }
    .footer-bottom { flex-direction: column; gap: 12px; }
    .news-item { grid-template-columns: 96px 1fr; gap: 16px; }
}
@media (max-width: 430px) {
    .header-inner { padding: 0 10px; }
    .menu-toggle { width: 38px; }
    .menu-toggle span { width: 23px; }
    .site-logo img { max-width: 92px; }
    .header-game-btn { min-width: 72px; height: 38px; padding: 0 12px; font-size: 13px; }
    .hero-actions { gap: 14px; }
    .feature-side-card { grid-template-columns: 1fr; }
    .feature-side-card img { aspect-ratio: 16/10; object-fit: contain; background: var(--gray); }
}
@media (max-width: 375px) {
    .site-logo img { max-width: 82px; }
    .header-game-btn { min-width: 68px; padding: 0 10px; font-size: 13px; }
    .menu-toggle { width: 36px; }
}