*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.6;color:#1c1c1c;background:#fff}
a{color:#e11d48;text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}

.site-header{position:sticky;top:0;z-index:100;background:#111827;border-bottom:1px solid rgba(255,255,255,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;text-decoration:none}
.logo:hover{text-decoration:none;color:#fff}
.logo-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,#fbbf24,#f59e0b);display:flex;align-items:center;justify-content:center;font-size:18px}
.nav{display:flex;flex-wrap:wrap;align-items:center;gap:6px 22px}
.nav a{color:#d1d5db;font-size:14px;text-decoration:none;padding:4px 0}
.nav a:hover,.nav a.is-active{color:#fb7185;text-decoration:none}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 22px;font-size:14px;font-weight:600;border-radius:999px;border:none;cursor:pointer;text-decoration:none;line-height:1.2}
.btn:hover{text-decoration:none}
.btn-primary{background:linear-gradient(90deg,#e11d48,#f43f5e);color:#fff;box-shadow:0 4px 14px rgba(225,29,72,.35)}
.btn-primary:hover{color:#fff;filter:brightness(1.05)}
.btn-outline{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.35)}
.btn-outline-dark{background:#fff;color:#111;border:1px solid #e5e7eb}
.btn-dark{background:#111827;color:#fff}
.nav-toggle{display:none;background:none;border:0;color:#fff;font-size:22px;cursor:pointer;padding:8px}

.hero{padding:56px 0 64px;background:linear-gradient(180deg,#0f172a 0%,#111827 55%,#1f2937 100%);color:#fff}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.hero-tag{display:inline-block;margin:0 0 16px;padding:4px 14px;background:rgba(251,113,133,.15);color:#fda4af;font-size:13px;border-radius:999px}
.hero h1{margin:0 0 16px;font-size:clamp(28px,4vw,40px);line-height:1.25;font-weight:800}
.hero-lead{margin:0 0 28px;color:#9ca3af;font-size:16px;line-height:1.75;max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-visual{background:linear-gradient(145deg,#1b2838,#171a21);border-radius:20px;padding:20px;border:1px solid rgba(102,192,244,.15);box-shadow:0 24px 48px rgba(0,0,0,.45)}
.hero-steam{border-radius:12px;overflow:hidden;background:#171a21;border:1px solid #2a475e;font-size:12px;color:#c7d5e0}
.hero-steam__titlebar{display:flex;align-items:center;gap:10px;padding:10px 14px;background:linear-gradient(180deg,#2a475e,#1b2838);border-bottom:1px solid #1b2838}
.hero-steam__logo{color:#fff;flex-shrink:0}
.hero-steam__brand{font-weight:700;letter-spacing:.12em;font-size:13px;color:#fff}
.hero-steam__window-dots{margin-left:auto;display:flex;gap:5px}
.hero-steam__window-dots i{display:block;width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.25)}
.hero-steam__layout{display:flex;min-height:220px}
.hero-steam__nav{display:flex;flex-direction:column;gap:4px;width:72px;padding:12px 8px;background:#1b2838;border-right:1px solid #2a475e}
.hero-steam__nav span{padding:8px 6px;border-radius:4px;color:#8f98a0;text-align:center;font-size:11px}
.hero-steam__nav span.is-active{background:#2a475e;color:#66c0f4}
.hero-steam__content{flex:1;padding:14px 16px 16px}
.hero-steam__label{margin:0 0 10px;font-size:11px;color:#66c0f4;text-transform:uppercase;letter-spacing:.06em}
.hero-steam__regions{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 14px;padding:0;list-style:none}
.hero-steam__regions li{margin:0;padding:4px 8px;background:#2a475e;border-radius:4px;font-size:11px;color:#dbe2e6;line-height:1.3}
.hero-steam__library{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.hero-steam__game{display:flex;flex-direction:column;gap:6px;color:#8f98a0;font-size:10px}
.hero-steam__game-art{display:block;height:52px;border-radius:3px;background:linear-gradient(135deg,#1b2838,#417a9b);box-shadow:inset 0 0 0 1px rgba(102,192,244,.25)}
.hero-steam__game-art.art-2{background:linear-gradient(135deg,#2a475e,#66c0f4)}
.hero-steam__game-art.art-3{background:linear-gradient(135deg,#3d4450,#5c7e10)}

.section{padding:64px 0}
.section-alt{background:#f9fafb}
.section-head{text-align:center;margin-bottom:40px}
.section-head h2{margin:0 0 12px;font-size:28px;font-weight:800}
.section-head p{margin:0;color:#6b7280;max-width:640px;margin-left:auto;margin-right:auto}

.features{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feature-card{background:#fff;border-radius:16px;padding:24px 20px;box-shadow:0 4px 20px rgba(0,0,0,.04);border:1px solid #f3f4f6}
.feature-card .icon{width:44px;height:44px;border-radius:12px;background:#fff1f2;color:#e11d48;display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:14px}
.feature-card h3{margin:0 0 8px;font-size:16px}
.feature-card p{margin:0;font-size:14px;color:#6b7280;line-height:1.65}

.steps{max-width:720px;margin:0 auto}
.step{display:flex;gap:20px;margin-bottom:32px;align-items:flex-start}
.step-num{flex-shrink:0;width:48px;height:48px;border-radius:50%;background:#111827;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px}
.step h3{margin:0 0 6px;font-size:18px}
.step p{margin:0;color:#6b7280;font-size:15px}

.buy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.buy-more-wrap{text-align:center;margin-top:28px}
.buy-more-countries{display:none;margin-top:24px}
.buy-more-countries.is-open{display:grid}

.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.intro-grid.reverse .intro-text{order:2}
.intro-grid.reverse .intro-visual{order:1}
.intro-visual{background:#f3f4f6;border-radius:16px;padding:32px;min-height:220px;display:flex;align-items:center;justify-content:center;border:1px solid #e5e7eb}
.intro-visual-inner{font-size:48px;opacity:.9}
.intro-text h2{margin:0 0 14px;font-size:24px}
.intro-text p{margin:0 0 12px;color:#4b5563;font-size:15px;line-height:1.75}

.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid #e5e7eb;border-radius:12px;margin-bottom:12px;background:#fff;overflow:hidden}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;background:#fff;border:none;font:inherit;font-weight:600;text-align:left;cursor:pointer;color:#111}
.faq-q:hover{background:#fafafa}
.faq-icon{color:#e11d48;font-size:20px;line-height:1;flex-shrink:0}
.faq-a{display:none;padding:0 20px 18px;color:#4b5563;font-size:15px;line-height:1.75}
.faq-item.is-open .faq-a{display:block}
.faq-item.is-open .faq-icon::before{content:"−"}
.faq-icon::before{content:"+"}

.cta-bar{margin:0 20px 64px;max-width:1080px;margin-left:auto;margin-right:auto;padding:32px 40px;background:#111827;border-radius:20px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;color:#fff}
.cta-bar h2{margin:0 0 6px;font-size:22px}
.cta-bar p{margin:0;color:#9ca3af;font-size:14px}

.page-main{padding:32px 0 64px}
.breadcrumb{font-size:13px;color:#9ca3af;margin-bottom:12px}
.breadcrumb a{color:#6b7280}
.page-title{margin:0 0 16px;font-size:32px;font-weight:800}
.page-lead{margin:0 0 32px;color:#4b5563;max-width:720px;line-height:1.75}

.about-cards{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:48px}
.about-card{background:#f9fafb;border-radius:16px;padding:28px;border:1px solid #f3f4f6}
.about-card h2{margin:0 0 14px;font-size:20px}
.about-card p{margin:0;color:#4b5563;font-size:15px;line-height:1.75}

.info-list{margin:0;padding:0;list-style:none}
.info-list li{display:flex;gap:16px;margin-bottom:20px;padding:20px;background:#fff;border:1px solid #e5e7eb;border-radius:12px}
.info-num{flex-shrink:0;width:36px;height:36px;border-radius:50%;background:#111827;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}
.info-list h3{margin:0 0 6px;font-size:16px}
.info-list p{margin:0;color:#6b7280;font-size:14px;line-height:1.65}

.link-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:40px}
.link-card{padding:24px;background:#fff;border:1px solid #e5e7eb;border-radius:12px;box-shadow:0 2px 12px rgba(0,0,0,.04)}
.link-card h3{margin:0 0 8px;font-size:17px}
.link-card p{margin:0;font-size:14px;color:#6b7280}

.site-footer{background:#111827;color:#9ca3af;padding:48px 0 24px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;margin-bottom:32px}
.footer-brand{color:#fff;font-weight:700;margin-bottom:12px;font-size:15px}
.site-footer a{color:#d1d5db;text-decoration:none}
.site-footer a:hover{color:#fb7185;text-decoration:none}
.footer-col h4{margin:0 0 14px;color:#fff;font-size:14px;font-weight:600}
.footer-col ul{margin:0;padding:0;list-style:none}
.footer-col li{margin-bottom:8px}
.footer-bottom{padding-top:20px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;text-align:center}

.buy-box{box-sizing:border-box;width:100%;margin:0;padding:10px;background:#eef8f3;border-radius:18px;line-height:1.5;text-align:left}
.buy-box *,.buy-box *::before,.buy-box *::after{box-sizing:border-box}
.buy-box .buy-card{margin:0;padding:22px 24px 20px;background:#fff;border-radius:14px;box-shadow:0 8px 24px rgba(24,64,44,.05)}
.buy-box .buy-card__badge{display:inline-block;margin:0 0 14px;padding:2px 12px;background:#e7f6ee;color:#2f9a58;font-size:13px;font-weight:600;line-height:22px;border-radius:999px}
.buy-box .buy-card__title{margin:0 0 10px;padding:0;color:#1c1c1c;font-size:18px;font-weight:700;line-height:1.4}
.buy-box .buy-card__desc{margin:0 0 22px;padding:0;color:#8d9491;font-size:14px;font-weight:400;line-height:1.75}
.buy-box .buy-card__footer{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.buy-box .buy-card__price{margin:0;color:#c49a3c;font-size:24px;font-weight:700;line-height:1}
.buy-box a.buy-card__btn{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;min-width:100px;height:40px;margin:0;padding:0 18px;background:#1b4336;color:#fff;font-size:14px;font-weight:600;line-height:1;text-decoration:none;border:0;border-radius:10px}
.buy-box a.buy-card__btn:hover,.buy-box a.buy-card__btn:focus{background:#14352a;color:#fff;text-decoration:none}

@media(max-width:900px){
  .hero-grid,.intro-grid,.about-cards,.link-cards,.features{grid-template-columns:1fr}
  .buy-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .intro-grid.reverse .intro-text,.intro-grid.reverse .intro-visual{order:unset}
  .nav{display:none;position:absolute;top:64px;left:0;right:0;background:#111827;padding:16px 20px;flex-direction:column;align-items:flex-start;border-bottom:1px solid rgba(255,255,255,.08)}
  .nav.is-open{display:flex}
  .nav-toggle{display:block}
  .header-inner{position:relative}
}
@media(max-width:520px){
  .buy-box .buy-card{padding:18px 16px 16px}
  .buy-box .buy-card__title{font-size:16px}
  .buy-box .buy-card__price{font-size:22px}
  .cta-bar{margin-left:12px;margin-right:12px;padding:24px}
}