:root {
  --primary: rgb(213, 5, 5);
  --primary-dark: rgb(172, 0, 0);
  --text: #202020;
  --muted: #666;
  --light: #f6f6f6;
  --line: #e8e8e8;
  --dark: #111;
  --white: #fff;
  --shadow: 0 12px 32px rgba(0,0,0,.08);
  --radius: 18px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.75;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.top-red-bar { background: var(--primary); color: #fff; font-size: 13px; display: none; }
.top-bar-inner { height: 32px; display: flex; align-items: center; justify-content: space-between; }
.site-header { background: #fff; position: relative; z-index: 20; box-shadow: 0 2px 18px rgba(0,0,0,.04); }
.desktop-header { display: none; }
.mobile-header {
  height: 62px;
  display: grid;
  grid-template-columns: 56px 1fr 76px;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  background: #fff;
}
.logo { height: 38px; width: auto; object-fit: contain; }
.mobile-logo-link { justify-self: center; }
.menu-btn {
  width: 42px; height: 42px; border: 0; background: #fff; border-radius: 12px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.menu-btn span { display: block; width: 23px; height: 2px; background: #222; border-radius: 99px; }
.top-action, .main-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 20px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  letter-spacing: .02em;
  box-shadow: 0 10px 22px rgba(213,5,5,.22);
  transition: .2s ease;
  border: 0;
}
.top-action:hover, .main-btn:hover { background: var(--primary-dark); transform: translateY(-1px); }
.mobile-action { min-height: 36px; padding: 0 15px; font-size: 14px; justify-self: end; }
.mobile-nav {
  display: none;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  padding: 12px 16px 18px;
  border-top: 1px solid var(--line);
  background: #fff;
}
.mobile-nav.show { display: grid; }
.mobile-nav a {
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--light);
  font-size: 14px;
  text-align: center;
}
.sports-hero { background: linear-gradient(180deg, #fff 0%, #f8f8f8 100%); }
.banner-slider {
  position: relative;
  width: min(1180px, calc(100% - 24px));
  margin: 0 auto;
  border-radius: 0 0 24px 24px;
  overflow: hidden;
  background: #eee;
  box-shadow: var(--shadow);
}
.slide { display: none; position: relative; }
.slide.active { display: block; }
.slide img { width: 100%; height: auto; aspect-ratio: 16 / 7; object-fit: cover; }
.slide-caption {
  position: absolute;
  left: 5%;
  bottom: 10%;
  width: min(470px, 86%);
  padding: 18px;
  background: rgba(255,255,255,.88);
  border: 1px solid rgba(255,255,255,.75);
  border-radius: 18px;
  backdrop-filter: blur(4px);
}
.slide-caption h1, .slide-caption h2 { margin: 0 0 8px; font-size: clamp(22px, 4vw, 42px); line-height: 1.15; color: #111; }
.slide-caption p { margin: 0 0 14px; color: #3b3b3b; font-size: 14px; }
.slider-dots { position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; z-index: 3; }
.slider-dot { width: 10px; height: 10px; border-radius: 50%; border: 1px solid #fff; background: rgba(255,255,255,.75); cursor: pointer; }
.slider-dot.active { background: var(--primary); border-color: var(--primary); }
.slider-arrow { position: absolute; top: 50%; transform: translateY(-50%); border: 0; width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,.9); color: #222; font-size: 24px; cursor: pointer; z-index: 4; }
.slider-prev { left: 14px; }
.slider-next { right: 14px; }
.brand-strip { padding: 18px 0 0; text-align: center; color: var(--muted); font-size: 15px; }
.section { padding: 58px 0; }
.section.light { background: var(--light); }
.section-title { margin-bottom: 26px; }
.kicker { color: var(--primary); font-weight: 800; font-size: 14px; letter-spacing: .08em; }
.section-title h2, .subpage h1 { margin: 6px 0 10px; font-size: clamp(26px, 4vw, 38px); line-height: 1.25; color: #111; }
.section-title p { margin: 0; color: var(--muted); max-width: 760px; }
.category-grid, .service-grid, .focus-grid, .security-grid, .faq-grid, .mini-grid, .related-grid { display: grid; gap: 18px; }
.category-grid { grid-template-columns: 1fr; }
.sports-card, .service-card, .focus-card, .score-card, .security-card, .faq-item, .info-point, .sub-card, .related-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: 0 8px 24px rgba(0,0,0,.04);
}
.sports-card .tag, .service-card .tag, .focus-card .status, .score-card .status {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(213,5,5,.08);
  color: var(--primary);
  font-weight: 800;
  font-size: 13px;
  margin-bottom: 12px;
}
.sports-card h3, .service-card h3, .focus-card h3, .score-card h3, .security-card h3, .info-point h3, .sub-card h2, .related-card h3 { margin: 0 0 10px; color: #111; line-height: 1.35; }
.sports-card p, .service-card p, .focus-card p, .score-card p, .security-card p, .faq-item p, .info-point p, .sub-card p, .related-card p { margin: 0; color: #555; }
.card-link { display: inline-flex; margin-top: 14px; color: var(--primary); font-weight: 800; }
.focus-card { border-top: 4px solid var(--primary); }
.two-col { display: grid; gap: 28px; align-items: center; }
.text-list { padding: 0; margin: 18px 0 0; list-style: none; display: grid; gap: 10px; }
.text-list li { padding-left: 22px; position: relative; color: #444; }
.text-list li:before { content: ""; position: absolute; left: 0; top: 12px; width: 8px; height: 8px; border-radius: 50%; background: var(--primary); }
.image-card { border-radius: 24px; overflow: hidden; box-shadow: var(--shadow); background: #fff; }
.score-panel { background: #fff; border-radius: 24px; border: 1px solid var(--line); padding: 22px; box-shadow: var(--shadow); }
.score-row { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 10px; border-bottom: 1px solid var(--line); padding: 14px 0; }
.score-row:last-child { border-bottom: 0; }
.score-row .team:last-child { text-align: right; }
.score-num { font-size: 22px; font-weight: 900; color: var(--primary); }
.data-panel { display: grid; gap: 14px; }
.app-showcase { background: linear-gradient(135deg, #fff 0%, #f7f7f7 100%); }
.platform-columns { display: grid; gap: 22px; }
.info-point + .info-point { margin-top: 14px; }
.security-section { background: #fff; }
.responsible-box {
  border-radius: 24px;
  padding: 26px;
  background: #fff;
  border: 1px solid rgba(213,5,5,.18);
  box-shadow: 0 12px 30px rgba(213,5,5,.08);
}
.cta-box { text-align: center; border-radius: 26px; background: #f8f8f8; border: 1px solid var(--line); padding: 34px 20px; }
.cta-box h2 { margin: 0 0 12px; }
.cta-box p { margin: 0 auto 20px; color: #555; max-width: 720px; }
.subpage { background: #fff; }
.sub-hero { padding: 52px 0 34px; background: linear-gradient(180deg, #fff 0%, #f7f7f7 100%); border-bottom: 1px solid var(--line); }
.sub-hero p { max-width: 850px; color: #555; margin: 0; }
.content-block { padding: 42px 0; }
.sub-grid { display: grid; gap: 18px; }
.notice-box { margin-top: 22px; border-left: 4px solid var(--primary); background: #fff7f7; border-radius: 14px; padding: 18px; color: #444; }
.steps { counter-reset: step; display: grid; gap: 14px; padding: 0; margin: 22px 0; list-style: none; }
.steps li { counter-increment: step; background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 16px 16px 16px 56px; position: relative; }
.steps li:before { content: counter(step); position: absolute; left: 16px; top: 16px; width: 28px; height: 28px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 900; }
.faq-list { display: grid; gap: 16px; }
.faq-item h2, .faq-item h3 { margin: 0 0 10px; color: #111; font-size: 20px; }
.site-footer { background: #161616; color: #ddd; padding: 44px 0 18px; }
.footer-grid { display: grid; gap: 28px; }
.footer-logo { height: 38px; margin-bottom: 14px; }
.site-footer h3 { color: #fff; margin: 0 0 12px; }
.site-footer a { display: block; color: #ddd; margin: 8px 0; }
.site-footer p { margin: 0; color: #cfcfcf; }
.footer-note { margin-top: 28px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.12); font-size: 13px; color: #bdbdbd; }
@media (min-width: 640px) {
  .category-grid, .service-grid, .mini-grid, .security-grid, .related-grid { grid-template-columns: repeat(2, 1fr); }
  .focus-grid, .faq-grid, .sub-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .top-red-bar { display: block; }
  .mobile-header, .mobile-nav { display: none !important; }
  .desktop-header { display: block; background: #fff; }
  .nav-wrap { min-height: 76px; display: flex; align-items: center; gap: 18px; }
  .logo { height: 44px; }
  .search-icon { width: 34px; height: 34px; border: 1px solid var(--line); border-radius: 50%; position: relative; flex: 0 0 auto; }
  .search-icon:before { content: ""; position: absolute; width: 11px; height: 11px; border: 2px solid #555; border-radius: 50%; left: 9px; top: 8px; }
  .search-icon:after { content: ""; position: absolute; width: 9px; height: 2px; background: #555; transform: rotate(45deg); right: 8px; bottom: 9px; border-radius: 99px; }
  .desktop-nav { display: flex; align-items: center; gap: 5px; margin-left: auto; }
  .desktop-nav a { padding: 9px 13px; border-radius: 999px; font-weight: 700; color: #333; white-space: nowrap; font-size: 15px; }
  .desktop-nav a.active, .desktop-nav a:hover { background: var(--primary); color: #fff; }
  .top-action { margin-left: 8px; }
  .banner-slider { border-radius: 0 0 30px 30px; }
  .slide-caption { padding: 24px; }
  .category-grid { grid-template-columns: repeat(3, 1fr); }
  .service-grid { grid-template-columns: repeat(3, 1fr); }
  .focus-grid { grid-template-columns: repeat(4, 1fr); }
  .two-col { grid-template-columns: 1.05fr .95fr; }
  .two-col.reverse { grid-template-columns: .95fr 1.05fr; }
  .platform-columns { grid-template-columns: 1fr 1fr; }
  .security-grid { grid-template-columns: repeat(3, 1fr); }
  .faq-grid { grid-template-columns: repeat(2, 1fr); }
  .sub-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}
@media (max-width: 520px) {
  .container { width: min(100% - 24px, 1180px); }
  .banner-slider { width: calc(100% - 16px); border-radius: 0 0 18px 18px; }
  .slide img { aspect-ratio: 16 / 10; object-fit: cover; }
  .slide-caption { position: static; width: 100%; border-radius: 0; background: #fff; padding: 16px; }
  .slider-arrow { display: none; }
  .section { padding: 42px 0; }
  .sports-card, .service-card, .focus-card, .score-card, .security-card, .faq-item, .info-point, .sub-card, .related-card { padding: 18px; }
}