*, *::before, *::after {
  box-sizing: border-box;
  font-family: "Segoe UI", "Helvetica Neue", Arial, "Microsoft YaHei", "微软雅黑", "PingFang SC", sans-serif;
}
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  color: #d1d5db;
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: .2px;
  background-color: #0a0a0a;
  background-image:
    radial-gradient(900px 520px at 10% -6%, rgba(96,165,250,.13), transparent 62%),
    radial-gradient(760px 440px at 92% 3%, rgba(148,163,184,.10), transparent 60%),
    linear-gradient(180deg, #1f2937 0%, #161d29 28%, #0e131b 58%, #0a0a0a 100%);
  background-attachment: fixed;
}
a { color: #cbd5e1; text-decoration: none; transition: color .25s ease, border-color .25s ease; }
a:hover { color: #ffffff; }
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { color: #f9fafb; line-height: 1.35; margin: 0 0 14px; font-weight: 700; }
p { margin: 0 0 14px; }
.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(9,11,15,.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 66px; flex-wrap: wrap; padding: 8px 0; }
.logo { font-size: 19px; font-weight: 700; color: #ffffff; letter-spacing: .6px; white-space: nowrap; }
.logo span { color: #8fa3bd; font-weight: 500; }
.nav-links { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.nav-links a {
  font-size: 14.5px; color: #9ca3af; padding: 6px 0;
  border-bottom: 2px solid transparent;
}
.nav-links a:hover { color: #ffffff; border-bottom-color: #64748b; }

/* Sections */
.section { padding: 62px 0; border-top: 1px solid rgba(255,255,255,.05); }
.section-head { margin-bottom: 30px; }
.section-head h2 { font-size: clamp(22px, 2.7vw, 30px); margin-bottom: 8px; }
.section-head p { color: #94a3b8; margin: 0; max-width: 760px; }
.tag { display: inline-block; font-size: 12.5px; letter-spacing: 1.6px; text-transform: uppercase; color: #93c5fd; border: 1px solid rgba(147,197,253,.35); border-radius: 999px; padding: 3px 12px; margin-bottom: 14px; }

/* Hero */
.hero { padding: 74px 0 60px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 44px; align-items: center; }
.hero h1 { font-size: clamp(27px, 4vw, 44px); margin-bottom: 18px; letter-spacing: .4px; }
.hero p { color: #a9b3c1; max-width: 640px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 26px; }
.btn {
  display: inline-block; padding: 11px 26px; border-radius: 10px; font-size: 15px;
  border: 1px solid rgba(255,255,255,.16); transition: all .25s ease;
}
.btn.primary { background: linear-gradient(135deg, #e5e7eb, #9ca3af); color: #0a0a0a; font-weight: 700; border-color: transparent; }
.btn.primary:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(226,232,240,.16); }
.btn.ghost { color: #dbe1e8; }
.btn.ghost:hover { border-color: rgba(255,255,255,.45); background: rgba(255,255,255,.05); }
.hero-media { border: 1px solid rgba(255,255,255,.09); border-radius: 18px; overflow: hidden; background: linear-gradient(160deg, #17202c, #0c1015); }
.hero-media img { width: 100%; height: 100%; object-fit: cover; }

/* Cards & grids */
.grid { display: grid; gap: 20px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: linear-gradient(160deg, #171d27 0%, #0f1319 100%);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 14px;
  padding: 24px;
  transition: border-color .25s ease, transform .25s ease;
}
.card:hover { border-color: rgba(255,255,255,.2); transform: translateY(-3px); }
.card h3 { font-size: 17px; margin-bottom: 8px; }
.card p { color: #98a2b3; font-size: 14.6px; margin: 0; }
.card .ico { font-size: 24px; display: block; margin-bottom: 12px; }

/* Stats */
.stat { text-align: center; padding: 26px 14px; }
.stat strong { display: block; font-size: 32px; color: #ffffff; letter-spacing: 1px; }
.stat span { font-size: 14px; color: #93a1b3; }

/* Brand story */
.story-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; align-items: center; }
.story-media { border: 1px solid rgba(255,255,255,.09); border-radius: 16px; overflow: hidden; background: #0f1319; }
.story-media img { width: 100%; }

/* Timeline */
.timeline { position: relative; padding-left: 26px; border-left: 1px solid rgba(255,255,255,.12); }
.tl-item { position: relative; padding: 0 0 28px 22px; }
.tl-item::before {
  content: ""; position: absolute; left: -33px; top: 8px; width: 11px; height: 11px;
  border-radius: 50%; background: #cbd5e1; box-shadow: 0 0 0 4px rgba(203,213,225,.12);
}
.tl-item h3 { font-size: 16.5px; margin-bottom: 6px; }
.tl-item p { color: #98a2b3; font-size: 14.6px; margin: 0; }

/* Game cards */
.game-card { text-align: left; }
.game-card .ico { font-size: 26px; }

/* News */
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.news-item {
  background: linear-gradient(160deg, #171d27 0%, #0f1319 100%);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 14px; padding: 24px;
}
.news-date { font-size: 12.8px; color: #7dd3fc; letter-spacing: .6px; margin-bottom: 10px; }
.news-item h3 { font-size: 17px; margin-bottom: 10px; }
.news-item p { color: #98a2b3; font-size: 14.6px; margin: 0; }

/* FAQ */
.faq-list { display: grid; gap: 12px; }
.faq-item {
  background: linear-gradient(160deg, #161c26 0%, #0f1319 100%);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 12px; padding: 6px 22px;
}
.faq-item summary {
  cursor: pointer; padding: 16px 0; font-size: 16px; color: #f1f5f9; font-weight: 600;
  list-style: none; position: relative; padding-right: 26px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; position: absolute; right: 0; top: 15px; color: #93c5fd; font-size: 20px; font-weight: 400;
}
.faq-item[open] summary::after { content: "–"; }
.faq-item p { color: #98a2b3; font-size: 14.8px; padding-bottom: 16px; margin: 0; }

/* CTA */
.cta-box {
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 18px;
  padding: 46px 34px;
  text-align: center;
  background: linear-gradient(150deg, #1c2431 0%, #0e1218 100%);
}
.cta-box h2 { font-size: clamp(21px, 2.6vw, 28px); }
.cta-box p { color: #9aa6b5; max-width: 720px; margin: 0 auto 24px; }

/* Partners */
.partner-tags { display: flex; flex-wrap: wrap; gap: 12px; }
.partner-tags span {
  border: 1px solid rgba(255,255,255,.12); border-radius: 999px;
  padding: 8px 20px; font-size: 14px; color: #a8b3c2; background: rgba(255,255,255,.02);
}

/* Footer */
.site-footer { border-top: 1px solid rgba(255,255,255,.08); background: rgba(8,10,14,.9); padding: 46px 0 22px; margin-top: 20px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 32px; }
.footer-col h3 { font-size: 15.5px; margin-bottom: 14px; color: #e5e7eb; }
.footer-col p { font-size: 14px; color: #8f9aab; margin: 0 0 8px; }
.footer-col a { font-size: 14px; color: #8f9aab; }
.footer-col a:hover { color: #ffffff; }
.footer-bottom {
  margin-top: 30px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.07);
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  font-size: 13.4px; color: #7d8798;
}
.footer-bottom a { color: #93a1b3; }

@media (max-width: 980px) {
  .hero-grid, .story-grid { grid-template-columns: 1fr; }
  .g4 { grid-template-columns: repeat(2, 1fr); }
  .g3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .news-grid, .g2, .g3, .g4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 48px 0; }
  .nav-links { gap: 14px; }
}