:root {
    --bg: #FFFFFF;
    --mint: #F4FBF8;
    --gray: #F7F8F8;
    --warm: #FFF9F0;
    --ink: #111111;
    --muted: #62666A;
    --soft: #8A8D91;
    --line: #DDE7E4;
    --line-dark: #B4B9BB;
    --mint-deco: #EAF5F1;
    --radius: 20px;
    --shell: 1280px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 17px;
    line-height: 1.8;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
img { max-width: 100%; height: auto; display: block; object-fit: contain; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid #68A99B; outline-offset: 4px; }

.skip-link {
    position: fixed;
    left: 12px;
    top: 12px;
    z-index: 20000;
    transform: translateY(-150%);
    background: var(--ink);
    color: #fff;
    padding: 8px 14px;
    border-radius: 8px;
}
.skip-link:focus { transform: none; }

.shell { width: min(calc(100% - 44px), var(--shell)); margin: 0 auto; }
.reading { max-width: 860px; }
.section { padding: 96px 0; }
.section-sm { padding: 68px 0; }
.bg-mint { background: var(--mint); }
.bg-gray { background: var(--gray); }
.bg-warm { background: var(--warm); }
.eyebrow {
    margin: 0 0 14px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
}
h1, h2, h3 { margin: 0 0 18px; line-height: 1.15; letter-spacing: -.025em; }
h1 { font-size: clamp(42px, 5vw, 64px); }
h2 { font-size: clamp(30px, 3.3vw, 42px); }
h3 { font-size: 22px; }
p { margin: 0 0 20px; color: var(--muted); }
.lead { font-size: 20px; line-height: 1.75; max-width: 780px; }
.small { font-size: 14px; color: var(--soft); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 38px; }
.section-heading > div { max-width: 760px; }
.text-link { display: inline-flex; align-items: center; gap: 7px; font-weight: 700; text-decoration: none; border-bottom: 1px solid var(--ink); }
.text-link:hover { opacity: .62; }

.main-btn,
.game-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 22px;
    background: var(--ink);
    color: #fff;
    border: 1px solid var(--ink);
    border-radius: 999px;
    text-decoration: none;
    font-weight: 600;
    white-space: nowrap;
    transition: .25s ease;
}
.main-btn:hover,
.game-btn:hover { background: #fff; color: var(--ink); }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 30px; }

.site-header {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 9999;
    background: rgba(255,255,255,.97);
    border-bottom: 1px solid var(--line);
    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(--ink); 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 {
    min-width: 92px;
    height: 42px;
    padding: 0 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--ink);
    color: #fff;
    border: 1px solid var(--ink);
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
    transition: .25s ease;
}
.header-game-btn:hover { background: #fff; color: var(--ink); }

.drawer-overlay {
    position: fixed;
    inset: 0;
    z-index: 10020;
    background: rgba(17,17,17,.36);
    opacity: 0;
    transition: opacity .22s ease;
}
.drawer-overlay.is-visible { opacity: 1; }
.site-drawer {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 10030;
    width: min(430px, 88vw);
    background: #fff;
    transform: translateX(-102%);
    transition: transform .26s ease;
    overflow-y: auto;
    padding: 28px 32px 44px;
    box-shadow: 20px 0 60px rgba(17,17,17,.08);
}
.site-drawer.is-open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.drawer-logo img { max-width: 126px; max-height: 44px; }
.drawer-close { width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 50%; background: #fff; font-size: 30px; line-height: 1; cursor: pointer; }
.drawer-nav { display: flex; flex-direction: column; }
.drawer-nav a { padding: 16px 0; border-bottom: 1px solid var(--line); text-decoration: none; font-size: 20px; font-weight: 650; }
.drawer-nav a:hover, .drawer-nav a.is-current { color: #527F75; }

.hero { padding: 78px 0 88px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1fr 1.05fr; align-items: center; gap: clamp(40px, 6vw, 90px); }
.hero-copy { max-width: 620px; }
.hero-copy p { max-width: 600px; }
.hero-visual { position: relative; padding: 20px 0 20px 32px; }
.hero-visual::before { content: ""; position: absolute; inset: 7% 0 3% 14%; background: var(--mint-deco); border-radius: 40% 20% 35% 18%; z-index: -1; }
.hero-visual img { width: 100%; border-radius: 24px; }

.page-hero { padding: 80px 0 72px; border-bottom: 1px solid var(--line); }
.page-hero .reading { margin: 0 auto; text-align: center; }
.page-hero .lead { margin-left: auto; margin-right: auto; }

.category-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.category-scroll { display: flex; gap: 28px; overflow-x: auto; padding: 20px 0; scrollbar-width: thin; }
.category-scroll a { flex: 0 0 auto; color: var(--muted); text-decoration: none; font-weight: 650; padding: 4px 0; border-bottom: 2px solid transparent; }
.category-scroll a:hover, .category-scroll a.is-current { color: var(--ink); border-color: var(--ink); }

.feature-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 24px; }
.feature-main, .feature-side article, .game-card, .content-card, .quote-card, .news-card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
}
.feature-main { overflow: hidden; }
.feature-main .copy { padding: 28px; }
.feature-main img { width: 100%; }
.feature-side { display: grid; gap: 24px; }
.feature-side article { overflow: hidden; }
.feature-side .copy { padding: 20px; }
.meta { display: block; margin-bottom: 9px; color: var(--soft); font-size: 13px; font-weight: 700; letter-spacing: .04em; }

.game-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.game-grid.five { grid-template-columns: repeat(5, 1fr); }
.game-card { overflow: hidden; display: flex; flex-direction: column; min-width: 0; }
.game-cover { background: var(--gray); }
.game-cover img { width: 100%; height: auto; object-fit: contain; display: block; transition: transform .3s ease; }
.game-card:hover .game-cover img { transform: scale(1.018); }
.game-copy { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.game-copy p { font-size: 15px; line-height: 1.7; }
.game-copy .game-btn { align-self: flex-start; margin-top: auto; }

.brand-banner img { width: 100%; height: auto; object-fit: contain; border-radius: 20px; }

.split { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: clamp(38px, 7vw, 96px); }
.split.reverse .split-media { order: 2; }
.split-media img { width: 100%; border-radius: var(--radius); }
.list-check { padding: 0; margin: 22px 0 0; list-style: none; display: grid; gap: 12px; }
.list-check li { position: relative; padding-left: 25px; color: var(--muted); }
.list-check li::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: #6E9D90; position: absolute; left: 0; top: .65em; }

.latest-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 34px; align-items: start; }
.latest-feature { border-radius: var(--radius); overflow: hidden; background: var(--gray); border: 1px solid var(--line); }
.latest-feature .copy { padding: 26px; background: #fff; }
.latest-list { border-top: 1px solid var(--line); }
.latest-row { display: grid; grid-template-columns: 112px 1fr; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--line); align-items: center; }
.latest-row img { width: 112px; border-radius: 12px; }
.latest-row p { font-size: 14px; margin: 0; }

.promo-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.promo-card { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: #fff; }
.promo-card .copy { padding: 26px; }
.promo-card img { width: 100%; }

.news-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 32px; }
.news-feature { padding: 30px; border-radius: var(--radius); background: var(--mint); }
.news-list { border-top: 1px solid var(--line); }
.news-item { padding: 20px 0; border-bottom: 1px solid var(--line); }
.news-item a { text-decoration: none; }
.news-item a:hover h3 { text-decoration: underline; }
.news-item p { margin-bottom: 0; }

.quote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.quote-card { padding: 26px; }
.quote-card p { margin: 0; color: var(--ink); }
.quote-card span { display: block; margin-top: 16px; color: var(--soft); font-size: 14px; }

.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.content-card { padding: 26px; }
.content-card p:last-child { margin-bottom: 0; }
.number { display: inline-flex; width: 42px; height: 42px; align-items: center; justify-content: center; border-radius: 50%; background: var(--mint-deco); margin-bottom: 18px; font-weight: 800; }

.prose { max-width: 860px; margin: 0 auto; }
.prose h2 { margin-top: 56px; }
.prose h3 { margin-top: 34px; }
.prose p { color: #555B5E; }
.prose ul { color: #555B5E; padding-left: 1.2em; }
.prose li { margin-bottom: 9px; }

.faq-list { max-width: 920px; margin: 0 auto; border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-button { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 22px 0; border: 0; background: transparent; text-align: left; color: var(--ink); font: inherit; font-weight: 700; cursor: pointer; }
.faq-button::after { content: "+"; font-size: 28px; font-weight: 400; }
.faq-button[aria-expanded="true"]::after { content: "−"; }
.faq-panel { padding: 0 44px 24px 0; }
.faq-panel p { margin: 0; }

.notice { padding: 24px 26px; border-left: 3px solid #789E95; background: var(--mint); border-radius: 0 14px 14px 0; }
.notice p:last-child { margin-bottom: 0; }

.site-footer { background: var(--ink); color: #fff; padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 44px; }
.site-footer img { max-width: 128px; max-height: 46px; filter: brightness(0) invert(1); margin-bottom: 20px; }
.site-footer h2 { font-size: 16px; margin-bottom: 16px; letter-spacing: 0; }
.site-footer a { display: block; color: #fff; text-decoration: none; margin: 9px 0; }
.site-footer a:hover { color: #BFC4C5; }
.site-footer p { color: #BFC4C5; font-size: 14px; }
.footer-brand p { max-width: 360px; }
.footer-bottom { margin-top: 46px; padding-top: 24px; border-top: 1px solid #353535; display: flex; align-items: end; justify-content: space-between; gap: 36px; }
.footer-bottom p { margin: 0; max-width: 760px; }

@media (max-width: 1100px) {
    .game-grid.five { grid-template-columns: repeat(3, 1fr); }
    .game-grid { grid-template-columns: repeat(3, 1fr); }
    .quote-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1.3fr repeat(3, 1fr); gap: 28px; }
}

@media (max-width: 860px) {
    .hero-grid, .split, .latest-layout, .news-layout { grid-template-columns: 1fr; }
    .hero { padding-top: 56px; }
    .hero-copy { max-width: 740px; }
    .hero-visual { padding-left: 0; }
    .split.reverse .split-media { order: 0; }
    .feature-grid { grid-template-columns: 1fr; }
    .feature-side { grid-template-columns: repeat(2, 1fr); }
    .promo-grid { grid-template-columns: 1fr; }
    .info-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-bottom { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 767px) {
    body { font-size: 16px; line-height: 1.78; }
    .shell { width: min(calc(100% - 28px), var(--shell)); }
    .section { padding: 64px 0; }
    .section-sm { padding: 54px 0; }
    .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: 22px 24px 38px; }
    .drawer-nav a { font-size: 18px; padding: 14px 0; }
    .hero { padding: 48px 0 62px; }
    .page-hero { padding: 58px 0 52px; }
    h1 { font-size: clamp(36px, 10vw, 42px); }
    h2 { font-size: clamp(27px, 7.6vw, 32px); }
    .lead { font-size: 18px; }
    .section-heading { align-items: flex-start; flex-direction: column; margin-bottom: 28px; }
    .category-scroll { gap: 22px; padding: 16px 0; }
    .game-grid, .game-grid.five { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
    .game-copy { padding: 15px; }
    .game-copy h3 { font-size: 18px; }
    .game-copy p { font-size: 14px; line-height: 1.65; }
    .game-btn { width: 100%; padding: 0 12px; font-size: 14px; }
    .feature-side { grid-template-columns: 1fr; }
    .latest-row { grid-template-columns: 90px 1fr; }
    .latest-row img { width: 90px; }
    .quote-grid, .info-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px 24px; }
    .footer-brand { grid-column: 1 / -1; }
    .footer-bottom { margin-top: 36px; }
}

@media (max-width: 430px) {
    .header-game-btn { min-width: 74px; padding: 0 12px; font-size: 13px; }
    .site-logo img { max-width: 96px; }
    .game-copy p { margin-bottom: 14px; }
    .main-btn { width: 100%; }
    .actions .text-link { margin-left: 2px; }
}

@media (max-width: 390px) {
    .header-inner { padding: 0 12px; }
    .site-logo img { max-width: 88px; }
    .header-game-btn { min-width: 70px; padding: 0 10px; }
    .menu-toggle { width: 38px; }
}

@media (max-width: 375px) {
    .site-logo img { max-width: 82px; }
    .header-game-btn { min-width: 68px; padding: 0 9px; font-size: 12px; }
    .menu-toggle span { width: 23px; }
    .game-grid, .game-grid.five { gap: 10px; }
    .game-copy { padding: 13px; }
}