:root{--bg:#050b14;--bg-2:#071327;--surface:#0b1a33;--surface-2:#10264a;--primary:#2171ff;--primary-2:#4d91ff;--accent:#00d1ff;--text:#e6f0ff;--muted:#9fb3d1;--line:rgba(147,197,253,.16);--radius:14px;--font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(1200px,92%);margin:0 auto}
.narrow{max-width:860px}
.center{text-align:center}
.mt{margin-top:56px}
.btn{display:inline-flex;align-items:center;gap:6px;background:var(--primary);color:#fff;padding:12px 30px;border-radius:10px;font-weight:600;transition:background .2s,transform .2s}
.btn:hover{background:var(--primary-2);transform:translateY(-1px)}
.btn-sm{padding:7px 16px;font-size:14px;border-radius:6px}
.btn-ghost{background:transparent;border:1px solid var(--line)}
.btn-ghost:hover{background:var(--surface-2)}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(5,11,20,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.brand img{height:32px;width:auto}
.main-nav{display:flex;gap:44px;font-size:15px}
.main-nav a{color:var(--muted);padding:6px 0;border-bottom:2px solid transparent}
.main-nav a:hover,.main-nav a[aria-current=page]{color:#fff;border-color:var(--primary)}
.header-actions{display:flex;align-items:center;gap:14px}
.lang-switch{font-size:14px;color:var(--muted);border:1px solid var(--line);padding:5px 12px;border-radius:6px}
.lang-switch:hover{color:#fff}
.menu-toggle{display:none;background:none;border:1px solid var(--line);color:#fff;font-size:20px;width:40px;height:40px;border-radius:8px;cursor:pointer}
/* hero */
.hero{min-height:min(calc(100vh - 72px),820px);display:flex;align-items:center;background-size:cover;background-position:center right}
.hero-inner{padding:80px 0}
.hero h1{font-size:clamp(32px,4.4vw,60px);line-height:1.25;font-weight:800;max-width:640px}
.hero-brand{display:block;font-size:1.2em;margin-bottom:8px}
.hero-sub{color:var(--muted);margin:24px 0 36px;font-size:17px;max-width:620px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.stats-band{background:var(--bg-2);border-block:1px solid var(--line)}
.stats-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:26px 0;flex-wrap:wrap}
.avatars{display:flex}
.avatars img{width:48px;height:48px;border-radius:50%;border:2px solid var(--bg-2);margin-left:-12px}
.avatars img:first-child{margin-left:0}
.stats{display:flex;gap:64px;list-style:none;flex-wrap:wrap}
.stats strong{font-size:36px;font-weight:800;margin-right:4px}
.stats small{display:block;color:var(--muted);font-size:14px}
/* sections */
.section{padding:96px 0}
.section.alt{background:var(--bg-2)}
.section-title{font-size:clamp(26px,3.4vw,46px);font-weight:800;text-align:center;line-height:1.3}
.section-lead{color:var(--muted);text-align:center;max-width:760px;margin:16px auto 48px;font-size:17px}
.map img{margin:0 auto;opacity:.95}
.city-list{list-style:none;display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:32px 0 40px}
.city-list li{font-size:14px;padding:4px 14px;border-radius:99px;background:var(--surface);border:1px solid var(--line);color:var(--muted)}
.city-list li::before{content:"●";color:#22c55e;font-size:9px;margin-right:6px;vertical-align:2px}
.game-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.game-grid figure{background:var(--surface);border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.game-grid img{aspect-ratio:16/10;object-fit:cover;width:100%}
figcaption{padding:14px 18px;color:var(--muted);font-size:14px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split h2{font-size:clamp(24px,2.8vw,38px);line-height:1.35;margin-bottom:18px}
.split p{color:var(--muted);margin-bottom:28px}
.split-media{display:grid;grid-template-columns:2fr 1fr;gap:16px;align-items:center}
.split-media.single{grid-template-columns:1fr;justify-items:center}
.split-media img{border-radius:var(--radius)}
.card-grid{display:grid;gap:20px;margin-top:48px}
.card-grid.five{grid-template-columns:repeat(5,1fr)}
.card-grid.four{grid-template-columns:repeat(4,1fr)}
.card-grid.three{grid-template-columns:repeat(3,1fr)}
.card{background:linear-gradient(180deg,var(--surface-2),var(--surface));border:1px solid var(--line);border-radius:var(--radius);padding:28px 22px;transition:transform .2s,border-color .2s}
.card:hover{transform:translateY(-4px);border-color:var(--primary)}
.card img{width:48px;height:48px;margin-bottom:18px}
.card h3{font-size:18px;margin-bottom:10px}
.card p{color:var(--muted);font-size:14.5px}
.pay-row{display:flex;justify-content:center;gap:20px;flex-wrap:wrap}
.pay-row img{height:56px;width:auto;background:#fff;border-radius:10px;padding:10px 18px}
.faq details{border-bottom:1px solid var(--line);padding:20px 4px}
.faq summary{cursor:pointer;font-weight:600;font-size:17px;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::after{content:"+";color:var(--primary);font-size:22px;line-height:1}
.faq details[open] summary::after{content:"−"}
.faq p{color:var(--muted);margin-top:12px}
.faq{margin-top:40px}
/* inner pages */
.page-intro{padding:72px 0 56px;background:radial-gradient(ellipse at top right,rgba(33,113,255,.28),transparent 60%),var(--bg-2);border-bottom:1px solid var(--line)}
.page-intro h1{font-size:clamp(30px,4vw,52px);line-height:1.25;margin:14px 0}
.lead{color:var(--muted);font-size:18px;max-width:760px}
.updated{color:var(--muted);font-size:13px;margin-top:12px}
.breadcrumb ol{list-style:none;display:flex;gap:8px;font-size:14px;color:var(--muted)}
.breadcrumb li+li::before{content:"/";margin-right:8px}
.breadcrumb a:hover{color:#fff}
.plat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.plat-card{display:flex;flex-direction:column;align-items:center;gap:12px;padding:32px 16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);transition:border-color .2s,transform .2s;text-align:center}
.plat-card img{width:40px;height:40px}
.plat-card h3{font-size:18px}
.plat-card span{font-size:13px;color:var(--primary-2)}
a.plat-card:hover{border-color:var(--primary);transform:translateY(-4px)}
.steps{counter-reset:s;list-style:none;margin-bottom:36px}
.steps li{counter-increment:s;position:relative;padding:0 0 18px 48px;color:var(--muted)}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:32px;height:32px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px}
.ticks{list-style:none;margin-bottom:28px}
.ticks li{padding-left:26px;position:relative;margin-bottom:10px;color:var(--muted)}
.ticks li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:700}
.plan-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.plan{background:linear-gradient(180deg,var(--surface-2),var(--surface));border:1px solid var(--line);border-radius:18px;padding:36px}
.plan:first-child{border-color:var(--primary);box-shadow:0 0 0 1px var(--primary),0 20px 60px -20px rgba(33,113,255,.5)}
.plan h2{font-size:28px}
.muted{color:var(--muted);margin-bottom:22px}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}
table{width:100%;border-collapse:collapse;min-width:560px}
th,td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line)}
thead th{background:var(--surface-2);font-size:14px}
tbody th{font-weight:600}
td{color:var(--muted)}
tbody tr:last-child>*{border-bottom:0}
.feature-row{display:flex;gap:24px;padding:28px 0;border-bottom:1px solid var(--line)}
.feature-row img{width:56px;height:56px;flex:none}
.feature-row h2{font-size:22px;margin-bottom:6px}
.feature-row p{color:var(--muted)}
.prose{max-width:820px}
.prose h2{font-size:22px;margin:36px 0 12px}
.prose h2:first-child{margin-top:0}
.prose p{color:var(--muted)}
.prose a{color:var(--primary-2);text-decoration:underline}
/* footer */
.site-footer{background:#03070e;border-top:1px solid var(--line);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer-brand img{height:40px;width:auto;margin-bottom:16px}
.footer-brand p{color:var(--muted);font-size:14px;max-width:320px}
.site-footer h2{font-size:15px;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:8px;font-size:14px;color:var(--muted)}
.footer-links a:hover{color:#fff}
.copyright{border-top:1px solid var(--line);margin-top:48px;padding-top:22px;font-size:13px;color:var(--muted)}
@media (max-width:1024px){.card-grid.five{grid-template-columns:repeat(3,1fr)}.card-grid.four,.plat-grid{grid-template-columns:repeat(3,1fr)}.main-nav{gap:24px}}
@media (max-width:820px){
.menu-toggle{display:block}
.main-nav{display:none;position:absolute;top:72px;left:0;right:0;flex-direction:column;gap:0;background:var(--bg);border-bottom:1px solid var(--line);padding:8px 4%}
.main-nav.open{display:flex}
.main-nav a{padding:14px 0;border-bottom:1px solid var(--line)}
.header-actions .btn-sm{display:none}
.split,.plan-grid,.game-grid,.card-grid.three{grid-template-columns:1fr}
.card-grid.five,.card-grid.four,.plat-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:1fr 1fr}
.stats{gap:28px}.stats strong{font-size:28px}
.section{padding:64px 0}
.hero{min-height:560px}
}