:root {
    --ink: #111111;
    --text: #62666A;
    --muted: #8A8D91;
    --line: #DDE7E4;
    --line-strong: #B4B9BB;
    --mint: #F4FBF8;
    --mint-soft: #EAF5F1;
    --gray: #F7F8F8;
    --warm: #FFF9F0;
    --white: #FFFFFF;
    --radius: 20px;
    --shadow: 0 14px 38px rgba(17,17,17,.06);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--white); color: var(--ink); font-family: Arial, "Microsoft YaHei", "PingFang SC", sans-serif; line-height: 1.8; overflow-x: hidden; }
body.drawer-open { overflow: hidden; }
a { color: inherit; }
img { max-width: 100%; height: auto; display: block; object-fit: contain; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible { outline: 3px solid rgba(17,17,17,.28); outline-offset: 3px; }
.skip-link { position: fixed; left: 14px; top: -100px; z-index: 12000; background: var(--ink); color: #fff; padding: 10px 14px; border-radius: 8px; text-decoration: none; }
.skip-link:focus { top: 12px; }
.container { width: min(100% - 44px, 1280px); margin: 0 auto; }
.reading { max-width: 860px; }
.section { padding: 96px 0; }
.section-sm { padding: 68px 0; }
.section-mint { background: var(--mint); }
.section-gray { background: var(--gray); }
.section-warm { background: var(--warm); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 36px; }
.section-head > div { max-width: 760px; }
.eyebrow { margin: 0 0 12px; font-size: 13px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--text); }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 24px; font-size: clamp(48px, 5vw, 64px); line-height: 1.08; letter-spacing: -.035em; }
h2 { margin-bottom: 18px; font-size: clamp(32px, 3.2vw, 42px); line-height: 1.18; letter-spacing: -.025em; }
h3 { margin-bottom: 10px; font-size: 21px; line-height: 1.35; }
p { color: var(--text); font-size: 17px; line-height: 1.86; }
.lead { font-size: 19px; color: #44484B; max-width: 760px; }
.text-link { display: inline-flex; align-items: center; min-height: 44px; color: var(--ink); font-weight: 700; text-decoration-thickness: 1px; text-underline-offset: 5px; }
.main-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 22px; background: #111111; color: #ffffff; border: 1px solid #111111; border-radius: 999px; text-decoration: none; font-weight: 600; white-space: nowrap; transition: .25s ease; }
.main-btn:hover { background: #ffffff; color: #111111; }
.action-row { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.site-header { position: sticky; top: 0; width: 100%; z-index: 9999; background: rgba(255,255,255,.97); border-bottom: 1px solid #DDE7E4; 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: #111111; 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 { display: block; 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: #111111; color: #ffffff; border: 1px solid #111111; border-radius: 999px; font-size: 15px; font-weight: 600; text-decoration: none; white-space: nowrap; transition: .25s ease; }
.header-game-btn:hover { background: #ffffff; color: #111111; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; 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: 10001; width: 430px; max-width: 92vw; padding: 24px 28px 30px; background: #fff; transform: translateX(-102%); transition: transform .26s ease; overflow-y: auto; box-shadow: 24px 0 60px rgba(0,0,0,.12); }
.site-drawer.is-open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; min-height: 62px; border-bottom: 1px solid var(--line); }
.drawer-logo img { width: auto; max-width: 132px; max-height: 44px; }
.drawer-close { width: 44px; height: 44px; border: 0; background: transparent; font-size: 34px; line-height: 1; cursor: pointer; }
.drawer-nav { display: grid; }
.drawer-nav a { display: flex; align-items: center; min-height: 58px; border-bottom: 1px solid #E8ECEB; color: #111; font-size: 19px; font-weight: 650; text-decoration: none; }
.drawer-nav a:hover, .drawer-nav a.is-current { padding-left: 8px; }
.drawer-nav a.is-current::after { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #111; margin-left: auto; }
.drawer-note { margin-top: 24px; color: var(--muted); font-size: 14px; }
.hero { padding: 88px 0 76px; background: linear-gradient(120deg, #fff 0 62%, var(--mint) 62% 100%); }
.hero-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 68px; align-items: center; }
.hero-copy { padding: 26px 0; }
.hero-visual { position: relative; }
.hero-visual::before { content: ""; position: absolute; inset: 7% 7% -5% -5%; z-index: -1; border-radius: 32px; background: var(--mint-soft); }
.hero-visual img { width: 100%; border-radius: 26px; }
.category-strip { border-bottom: 1px solid var(--line); }
.category-scroll { display: flex; gap: 30px; overflow-x: auto; padding: 4px 0; scrollbar-width: thin; }
.category-scroll a { flex: 0 0 auto; padding: 22px 0 17px; border-bottom: 2px solid transparent; text-decoration: none; font-weight: 650; color: #353839; }
.category-scroll a:first-child, .category-scroll a:hover { border-bottom-color: #111; color: #111; }
.feature-grid { display: grid; grid-template-columns: 1.45fr .55fr; gap: 24px; }
.feature-main, .feature-side article, .game-card, .info-card, .quote, .news-feature, .timeline-item { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.feature-main { overflow: hidden; }
.feature-main .content { padding: 28px 30px 32px; }
.feature-main img { width: 100%; }
.feature-side { display: grid; gap: 24px; }
.feature-side article { padding: 20px; }
.feature-side img { width: 100%; border-radius: 14px; margin-bottom: 16px; }
.meta { display: inline-block; margin-bottom: 8px; color: var(--muted); font-size: 13px; font-weight: 700; letter-spacing: .08em; }
.game-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.game-grid.five { grid-template-columns: repeat(5, 1fr); }
.game-card { overflow: hidden; transition: transform .22s ease, box-shadow .22s ease; }
.game-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.game-cover { padding: 14px; background: var(--gray); }
.game-cover img { width: 100%; height: auto; object-fit: contain; display: block; }
.game-card .content { padding: 19px 20px 22px; }
.game-card p { font-size: 15px; line-height: 1.72; }
.game-card .action-row { margin-top: 14px; gap: 12px; }
.brand-banner img { width: 100%; height: auto; object-fit: contain; border-radius: 20px; }
.new-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 38px; align-items: stretch; }
.new-primary { border-radius: 24px; overflow: hidden; background: var(--ink); color: #fff; }
.new-primary img { width: 100%; }
.new-primary .content { padding: 28px 30px 34px; }
.new-primary p, .new-primary .meta { color: #C8CECF; }
.new-primary .main-btn { background: #fff; color: #111; border-color: #fff; }
.new-primary .main-btn:hover { background: transparent; color: #fff; }
.new-list { display: grid; align-content: stretch; }
.new-item { display: grid; grid-template-columns: 130px 1fr; gap: 18px; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--line); }
.new-item:first-child { padding-top: 0; }
.new-item:last-child { border-bottom: 0; padding-bottom: 0; }
.new-item img { width: 130px; border-radius: 14px; background: var(--gray); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split.reverse .media { order: 2; }
.split .media img { width: 100%; border-radius: 22px; }
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.info-card { padding: 26px; }
.info-card p { font-size: 15px; }
.promo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.promo-card { overflow: hidden; border-radius: 22px; background: #111; color: #fff; }
.promo-card img { width: 100%; }
.promo-card .content { padding: 26px 28px 30px; }
.promo-card p { color: #C8CECF; }
.news-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 34px; }
.news-feature { padding: 30px; background: var(--mint); }
.news-list { border-top: 1px solid var(--line); }
.news-row { display: grid; grid-template-columns: 130px 1fr auto; gap: 22px; align-items: start; padding: 22px 0; border-bottom: 1px solid var(--line); }
.news-row .tag { font-size: 13px; color: var(--muted); font-weight: 700; }
.news-row p { margin-bottom: 0; font-size: 15px; }
.quote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.quote { padding: 25px; box-shadow: 0 10px 28px rgba(17,17,17,.04); }
.quote p { margin-bottom: 10px; }
.quote span { color: var(--muted); font-size: 13px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-question { width: 100%; min-height: 70px; padding: 18px 42px 18px 0; position: relative; border: 0; background: transparent; text-align: left; color: #111; font-size: 18px; font-weight: 700; cursor: pointer; }
.faq-question::after { content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%); font-size: 28px; font-weight: 400; }
.faq-question[aria-expanded="true"]::after { content: "−"; }
.faq-answer { padding: 0 50px 22px 0; }
.faq-answer p { margin-bottom: 0; }
.page-hero { padding: 82px 0 68px; border-bottom: 1px solid var(--line); background: linear-gradient(180deg, #fff 0%, var(--mint) 100%); }
.page-hero .reading { margin: 0; }
.breadcrumb { margin-bottom: 18px; color: var(--muted); font-size: 14px; }
.breadcrumb a { text-decoration: none; }
.content-prose { max-width: 880px; }
.content-prose h2 { margin-top: 52px; }
.content-prose h3 { margin-top: 30px; }
.content-prose ul { padding-left: 1.2em; color: var(--text); font-size: 17px; line-height: 1.86; }
.content-prose li + li { margin-top: 8px; }
.content-prose .callout { margin: 34px 0; padding: 24px 26px; border-left: 3px solid #111; background: var(--gray); border-radius: 0 14px 14px 0; }
.content-prose .callout p:last-child { margin-bottom: 0; }
.number-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; counter-reset: item; }
.number-item { counter-increment: item; padding: 24px; border-top: 1px solid var(--line-strong); }
.number-item::before { content: "0" counter(item); display: block; margin-bottom: 16px; color: var(--muted); font-size: 13px; font-weight: 700; }
.timeline { border-top: 1px solid var(--line); }
.timeline-item { display: grid; grid-template-columns: 160px 1fr; gap: 24px; padding: 26px; margin-top: 20px; }
.timeline-item .meta { margin: 2px 0 0; }
.site-footer { padding: 64px 0 28px; background: #111111; color: #ffffff; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 42px; }
.site-footer h2 { margin-bottom: 16px; font-size: 16px; color: #fff; }
.site-footer p { color: #BFC4C5; font-size: 14px; }
.site-footer a { display: block; width: fit-content; margin: 9px 0; color: #E7EAEA; font-size: 14px; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; text-underline-offset: 4px; }
.footer-brand img { max-width: 145px; max-height: 48px; margin-bottom: 20px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; margin-top: 48px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.16); }
.footer-bottom p { margin: 0; max-width: 720px; }
@media (max-width: 1100px) {
    .game-grid.five { grid-template-columns: repeat(3, 1fr); }
    .game-grid { grid-template-columns: repeat(3, 1fr); }
    .hero-grid, .split, .new-layout { gap: 38px; }
    .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
    .footer-grid > div:last-child { grid-column: 2 / 4; }
}
@media (max-width: 820px) {
    .section { padding: 72px 0; }
    .section-sm { padding: 56px 0; }
    .hero { padding: 58px 0 62px; background: linear-gradient(180deg, #fff 0 58%, var(--mint) 58% 100%); }
    .hero-grid, .split, .new-layout, .feature-grid, .news-layout { grid-template-columns: 1fr; }
    .split.reverse .media { order: 0; }
    .feature-side { grid-template-columns: 1fr 1fr; }
    .game-grid, .game-grid.five { grid-template-columns: repeat(3, 1fr); }
    .info-grid, .quote-grid { grid-template-columns: repeat(2, 1fr); }
    .promo-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid > div:last-child { grid-column: auto; }
    .footer-bottom { flex-direction: column; }
}
@media (max-width: 767px) {
    .container { 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 28px; }
    h1 { font-size: clamp(34px, 10.2vw, 42px); }
    h2 { font-size: clamp(26px, 8vw, 32px); }
    p, .content-prose ul { font-size: 16px; }
    .lead { font-size: 17px; }
    .section-head { align-items: flex-start; flex-direction: column; margin-bottom: 28px; }
    .hero-grid { gap: 32px; }
    .feature-side { grid-template-columns: 1fr; }
    .game-grid, .game-grid.five { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
    .game-card .content { padding: 15px 15px 18px; }
    .game-card h3 { font-size: 17px; }
    .game-card p { font-size: 14px; }
    .game-card .action-row { align-items: stretch; flex-direction: column; }
    .game-card .main-btn, .game-card .text-link { width: 100%; justify-content: center; }
    .info-grid, .quote-grid { grid-template-columns: 1fr; }
    .new-item { grid-template-columns: 105px 1fr; gap: 14px; }
    .new-item img { width: 105px; }
    .news-row { grid-template-columns: 1fr; gap: 6px; }
    .number-list { grid-template-columns: 1fr; }
    .timeline-item { grid-template-columns: 1fr; gap: 8px; }
    .footer-grid { grid-template-columns: 1fr; }
    .page-hero { padding: 58px 0 50px; }
}
@media (max-width: 430px) {
    .header-inner { padding: 0 12px; }
    .site-logo img { max-width: 94px; }
    .header-game-btn { min-width: 74px; padding: 0 12px; font-size: 13px; }
    .menu-toggle { width: 38px; }
    .menu-toggle span { width: 23px; }
    .category-scroll { gap: 24px; }
    .section { padding: 60px 0; }
    .section-sm { padding: 48px 0; }
}