:root {
  --primary: rgb(176, 219, 245);
  --primary-dark: rgb(70, 132, 170);
  --deep-blue: #18344f;
  --blue-soft: #eef8ff;
  --blue-line: #d7edf9;
  --text: #111827;
  --muted: #5f6b7a;
  --gray: #f5f7fa;
  --border: #e7edf3;
  --white: #fff;
  --shadow: 0 14px 35px rgba(24, 52, 79, .08);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; overflow-x: hidden; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif; color: var(--text); background: linear-gradient(180deg, #fff 0%, #f8fcff 100%); line-height: 1.72; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.site-header { background: rgba(255,255,255,.96); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 30; backdrop-filter: blur(12px); }
.mobile-header { height: 64px; display: grid; grid-template-columns: 72px 1fr 86px; align-items: center; background: #fff; padding: 0 14px; }
.mobile-logo { justify-self: center; }
.mobile-logo img, .logo img { height: 38px; width: auto; object-fit: contain; }
.menu-button { width: 42px; height: 42px; border: 0; background: var(--blue-soft); border-radius: 14px; display: flex; flex-direction: column; justify-content: center; gap: 5px; padding: 0 11px; cursor: pointer; }
.menu-button span { display: block; height: 2px; background: var(--deep-blue); border-radius: 9px; }
.top-action, .main-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 0 18px; border-radius: 999px; background: var(--primary); color: #0e263b; font-weight: 700; border: 1px solid rgba(24,52,79,.08); box-shadow: 0 8px 20px rgba(91,145,183,.16); transition: .22s ease; }
.top-action:hover, .main-btn:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); }
.mobile-nav { display: none; padding: 10px 18px 18px; background: #fff; border-top: 1px solid var(--border); grid-template-columns: 1fr 1fr; gap: 10px; }
.mobile-nav.open { display: grid; }
.mobile-nav a { background: var(--blue-soft); border: 1px solid var(--blue-line); border-radius: 14px; padding: 10px 12px; color: var(--deep-blue); font-weight: 650; }
.mobile-nav a.active { background: var(--primary); }
.desktop-header { display: none; height: 78px; align-items: center; gap: 28px; }
.logo { flex: 0 0 auto; }
.desktop-nav { flex: 1; display: flex; justify-content: center; gap: 6px; align-items: center; }
.desktop-nav a { padding: 10px 12px; border-radius: 999px; color: #344456; font-size: 15px; font-weight: 650; }
.desktop-nav a:hover, .desktop-nav a.active { background: var(--primary); color: #102b42; }
.search-icon { width: 34px; height: 34px; border: 2px solid var(--blue-line); border-radius: 50%; position: relative; }
.search-icon:after { content: ""; position: absolute; width: 9px; height: 2px; background: var(--deep-blue); right: -5px; bottom: 3px; transform: rotate(45deg); border-radius: 2px; }
section { padding: 58px 0; }
.sports-hero, .banner-section { padding: 54px 0 42px; background: radial-gradient(circle at top right, rgba(176,219,245,.48), transparent 40%), linear-gradient(180deg, #fff, var(--blue-soft)); }
.hero-grid { display: grid; gap: 26px; align-items: center; }
.hero-copy h1, .page-hero h1 { margin: 16px 0 16px; font-size: clamp(32px, 8vw, 62px); line-height: 1.1; letter-spacing: -1.2px; color: var(--deep-blue); }
.hero-copy p, .page-hero p, .section-head p { color: var(--muted); font-size: 17px; max-width: 760px; }
.badge, .category-badge { display: inline-flex; align-items: center; border-radius: 999px; padding: 7px 12px; background: var(--blue-soft); border: 1px solid var(--blue-line); color: var(--primary-dark); font-weight: 800; font-size: 13px; }
.hero-tags { display: flex; gap: 10px; flex-wrap: wrap; margin: 20px 0 24px; }
.hero-visual { position: relative; border-radius: 26px; overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--blue-line); min-height: 280px; background: #fff; }
.hero-visual img { height: 100%; min-height: 280px; width: 100%; object-fit: cover; }
.hero-data-cards { display: grid; grid-template-columns: 1fr; gap: 12px; margin-top: 16px; }
.hero-data-cards .data-mini { background: rgba(255,255,255,.94); border: 1px solid var(--blue-line); border-radius: 18px; padding: 14px; box-shadow: var(--shadow); }
.data-mini strong { display: block; color: var(--deep-blue); font-size: 18px; }
.section-head { margin-bottom: 26px; }
.section-head h2, .content-section h2 { margin: 0 0 12px; font-size: clamp(26px, 5vw, 40px); color: var(--deep-blue); line-height: 1.2; }
.category-grid, .service-grid, .security-grid, .info-grid { display: grid; gap: 16px; }
.sports-card, .service-card, .info-card, .faq-item, .score-card { background: #fff; border: 1px solid var(--border); border-radius: 20px; padding: 22px; box-shadow: 0 10px 26px rgba(24,52,79,.05); }
.sports-card h3, .service-card h3, .info-card h3, .score-card h3 { margin: 0 0 10px; color: var(--deep-blue); }
.sports-card p, .service-card p, .info-card p, .faq-item p { color: var(--muted); margin: 0 0 14px; }
.card-link { color: var(--primary-dark); font-weight: 800; }
.service-card .label { display: inline-flex; margin-bottom: 12px; padding: 5px 10px; border-radius: 999px; background: var(--blue-soft); color: var(--primary-dark); font-weight: 800; font-size: 12px; }
.split-section { display: grid; gap: 24px; align-items: center; }
.image-card { border-radius: 24px; overflow: hidden; border: 1px solid var(--blue-line); box-shadow: var(--shadow); background: #fff; }
.feature-list, .checklist { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
.feature-list li, .checklist li { background: #fff; border: 1px solid var(--blue-line); border-radius: 14px; padding: 12px 14px; color: #304357; }
.feature-list li:before, .checklist li:before { content: "✓"; color: var(--primary-dark); font-weight: 900; margin-right: 8px; }
.score-panel, .data-panel { background: linear-gradient(135deg, #fff, var(--blue-soft)); border: 1px solid var(--blue-line); border-radius: 26px; padding: 20px; box-shadow: var(--shadow); }
.score-list { display: grid; gap: 12px; margin-top: 18px; }
.score-row { display: grid; grid-template-columns: 1fr auto 1fr; gap: 10px; align-items: center; padding: 14px; border-radius: 16px; background: #fff; border: 1px solid var(--border); }
.score-row strong { color: var(--deep-blue); }
.status { display: inline-flex; padding: 4px 9px; border-radius: 999px; background: var(--primary); color: #0f2d44; font-size: 12px; font-weight: 900; }
.app-showcase { background: var(--blue-soft); }
.app-box { display: grid; gap: 24px; align-items: center; background: #fff; border-radius: 28px; border: 1px solid var(--blue-line); padding: 22px; box-shadow: var(--shadow); }
.app-phone img { max-height: 520px; margin: 0 auto; object-fit: contain; }
.security-section { background: #fff; }
.responsible-play-section { background: linear-gradient(180deg, var(--blue-soft), #fff); }
.responsible-box { border: 1px solid var(--blue-line); border-radius: 26px; padding: 24px; background: #fff; box-shadow: var(--shadow); }
.faq-list { display: grid; gap: 14px; }
.faq-item h3 { margin: 0 0 8px; color: var(--deep-blue); font-size: 18px; }
.cta-section { background: linear-gradient(135deg, var(--primary), #e9f7ff); text-align: center; }
.cta-section h2 { color: var(--deep-blue); font-size: clamp(26px, 5vw, 42px); margin: 0 0 12px; }
.cta-section p { color: #304357; max-width: 720px; margin: 0 auto 24px; }
.page-hero { padding: 56px 0; background: radial-gradient(circle at 90% 20%, rgba(176,219,245,.5), transparent 35%), var(--blue-soft); }
.content-section { padding: 42px 0; }
.content-layout { display: grid; gap: 22px; }
.notice-card { background: var(--blue-soft); border: 1px solid var(--blue-line); border-left: 5px solid var(--primary-dark); border-radius: 18px; padding: 18px; color: #2d4053; }
.timeline { display: grid; gap: 12px; counter-reset: step; }
.timeline div { background: #fff; border: 1px solid var(--blue-line); border-radius: 16px; padding: 14px; }
.timeline div:before { counter-increment: step; content: counter(step); display: inline-flex; width: 26px; height: 26px; align-items: center; justify-content: center; border-radius: 50%; background: var(--primary); margin-right: 8px; font-weight: 900; color: var(--deep-blue); }
.site-footer { background: #10263a; color: #dce9f3; padding-top: 46px; }
.footer-grid { display: grid; gap: 24px; }
.site-footer h3 { color: #fff; margin: 0 0 12px; }
.site-footer p { color: #b9cddd; margin: 0; }
.site-footer a { display: block; color: #dce9f3; margin: 8px 0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); text-align: center; padding: 18px; margin-top: 30px; color: #b9cddd; }
@media (min-width: 640px) {
  .category-grid, .service-grid, .security-grid, .info-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-data-cards { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 900px) {
  .mobile-header, .mobile-nav { display: none !important; }
  .desktop-header { display: flex; }
  .hero-grid, .split-section, .app-box, .content-layout { grid-template-columns: 1fr 1fr; }
  .category-grid, .service-grid { grid-template-columns: repeat(3, 1fr); }
  .security-grid, .info-grid, .footer-grid { grid-template-columns: repeat(4, 1fr); }
  .sports-hero { padding: 86px 0 64px; }
  .hero-visual { min-height: 430px; }
  .hero-visual img { min-height: 430px; }
}