:root {
  --brand: rgb(255, 80, 0);
  --brand-dark: #E85A00;
  --orange-soft: #FFF3EC;
  --gray-bg: #F6F6F6;
  --text: #222222;
  --muted: #555555;
  --light-muted: #777777;
  --dark: #101010;
  --dark-2: #161616;
  --footer: #1F1F1F;
  --line: rgba(0,0,0,.08);
  --shadow: 0 16px 38px rgba(0,0,0,.08);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  background: #fff;
  color: var(--text);
  line-height: 1.72;
  overflow-x: hidden;
}
body.drawer-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(12,12,12,.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.mobile-topbar {
  min-height: 62px;
  display: grid;
  grid-template-columns: 46px 1fr 92px;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
}
.menu-button {
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 14px;
  background: rgba(255,255,255,.08);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
}
.menu-button span {
  width: 21px;
  height: 2px;
  border-radius: 999px;
  background: #fff;
}
.mobile-logo { justify-self: center; display: inline-flex; align-items: center; }
.mobile-logo img { max-height: 38px; max-width: 126px; object-fit: contain; }
.logo img { max-height: 48px; max-width: 150px; object-fit: contain; }
.main-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 12px 24px;
  background: var(--brand);
  color: #fff;
  font-weight: 800;
  letter-spacing: .02em;
  box-shadow: 0 12px 26px rgba(255,80,0,.28);
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
  white-space: nowrap;
}
.main-btn:hover { background: var(--brand-dark); transform: translateY(-2px); box-shadow: 0 16px 30px rgba(255,80,0,.32); }
.header-btn { padding: 9px 18px; font-size: 14px; }
.mobile-register { padding: 8px 12px; font-size: 13px; justify-self: end; }
.desktop-header { display: none; }

.drawer-overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(0,0,0,.58);
  opacity: 0;
  transition: opacity .22s ease;
}
.drawer-overlay.show { opacity: 1; }
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 90;
  width: 84vw;
  max-width: 320px;
  height: 100vh;
  background: #fff;
  box-shadow: 16px 0 40px rgba(0,0,0,.22);
  transform: translateX(-102%);
  transition: transform .28s ease;
  padding: 18px;
  overflow-y: auto;
}
.mobile-drawer.open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.drawer-logo img { max-height: 42px; max-width: 140px; object-fit: contain; }
.drawer-close {
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 12px;
  background: var(--orange-soft);
  color: var(--brand);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
}
.drawer-nav { display: grid; gap: 8px; padding: 18px 0 32px; }
.drawer-nav a {
  padding: 12px 14px;
  border-radius: 14px;
  color: #222;
  font-weight: 700;
  background: #fafafa;
}
.drawer-nav a.active, .drawer-nav a:hover { color: var(--brand); background: var(--orange-soft); }

.hero-section {
  position: relative;
  background:
    linear-gradient(105deg, rgba(0,0,0,.92) 0%, rgba(0,0,0,.80) 46%, rgba(0,0,0,.56) 100%),
    url('banner.webp');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.hero-section::after {
  content: "";
  position: absolute;
  inset: auto -10% -120px 35%;
  height: 260px;
  background: radial-gradient(circle, rgba(255,80,0,.28), rgba(255,80,0,0) 68%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: center;
  padding: 58px 0 36px;
  text-align: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand);
  background: rgba(255,80,0,.13);
  border: 1px solid rgba(255,80,0,.22);
  border-radius: 999px;
  padding: 6px 13px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .03em;
}
.hero-title {
  margin: 16px 0 14px;
  font-size: clamp(34px, 8vw, 64px);
  line-height: 1.08;
  color: var(--brand);
  letter-spacing: -.04em;
}
.hero-desc {
  margin: 0 auto 22px;
  color: #f2f2f2;
  max-width: 620px;
  font-size: 16px;
}
.hero-tags, .info-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 18px;
}
.hero-tags span, .info-tags span {
  color: #fff;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.08);
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 13px;
}
.hero-dashboard {
  position: relative;
  border-radius: 28px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  backdrop-filter: blur(6px);
  padding: 16px;
  box-shadow: 0 26px 60px rgba(0,0,0,.32);
}
.hero-dashboard::before {
  content: "赛事看板";
  display: inline-flex;
  margin-bottom: 12px;
  color: #fff;
  background: rgba(255,80,0,.22);
  border: 1px solid rgba(255,80,0,.28);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 13px;
  font-weight: 800;
}
.hero-dashboard img {
  width: 100%;
  max-height: 300px;
  object-fit: contain;
  object-position: center;
}
.dashboard-lines { display: grid; gap: 10px; margin-top: 14px; }
.dashboard-lines span {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: #f4f4f4;
  background: rgba(0,0,0,.35);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 14px;
  padding: 10px 12px;
  font-size: 13px;
}
.dashboard-lines b { color: var(--brand); }
.category-wrap { background: #101010; padding: 20px 0 28px; }
.category-strip {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}
.category-strip a {
  flex: 0 0 auto;
  display: inline-flex;
  flex-direction: column;
  min-width: 120px;
  border-radius: 18px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.10);
  padding: 11px 14px;
  color: #fff;
}
.category-strip small { color: var(--brand); font-weight: 800; }
.category-strip strong { font-size: 15px; }
.category-strip a:hover { background: rgba(255,80,0,.18); border-color: rgba(255,80,0,.35); }

.section { padding: 58px 0; }
.section-gray { background: var(--gray-bg); }
.section-soft { background: var(--orange-soft); }
.section-dark { background: var(--dark); color: #fff; }
.section-head { margin-bottom: 28px; max-width: 760px; }
.section-head.center { text-align: center; margin-left: auto; margin-right: auto; }
.section-head h2, .page-section h2 {
  margin: 10px 0 10px;
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.2;
  letter-spacing: -.02em;
}
.section-head p { margin: 0; color: var(--muted); }
.section-dark .section-head p, .section-dark p { color: #e8e8e8; }
.text-link {
  color: var(--brand);
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.text-link::after { content: "›"; font-size: 18px; line-height: 1; }
.text-link:hover { color: var(--brand-dark); }

.focus-layout { display: grid; gap: 20px; }
.focus-card, .info-card, .zone-card, .dual-card, .mini-card, .page-card, .faq-item, .contact-card {
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,0,0,.05);
}
.focus-card { overflow: hidden; }
.image-panel {
  background: linear-gradient(135deg, #fff, #fff3ec);
  border-radius: 20px;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.focus-card .image-panel { border-radius: 0; padding: 14px; }
.focus-card .image-panel img { width: 100%; max-height: 310px; object-fit: contain; }
.focus-body { padding: 22px; }
.focus-body h3, .info-card h3, .dual-body h3, .zone-card h3, .mini-card h3, .page-card h3, .contact-card h3 { margin: 0 0 10px; }
.focus-body p, .info-card p, .dual-body p, .zone-card p, .mini-card p, .page-card p, .contact-card p { color: var(--muted); margin: 0 0 14px; }
.info-list { display: grid; gap: 14px; }
.info-card { padding: 20px; box-shadow: none; }
.info-card .tag, .tag { display: inline-flex; color: var(--brand); background: var(--orange-soft); border-radius: 999px; padding: 4px 10px; font-size: 12px; font-weight: 800; margin-bottom: 10px; }

.dual-grid { display: grid; gap: 20px; }
.dual-card { overflow: hidden; background: #fff; }
.dual-card.dark { background: #161616; color: #fff; border-color: rgba(255,255,255,.09); }
.dual-card.dark p, .dual-card.dark li { color: #e8e8e8; }
.dual-image { padding: 16px; background: linear-gradient(135deg, rgba(255,80,0,.12), rgba(0,0,0,.04)); }
.dual-image img { width: 100%; max-height: 260px; object-fit: contain; margin: 0 auto; }
.dual-body { padding: 22px; }
.check-list { list-style: none; padding: 0; margin: 16px 0; display: grid; gap: 9px; }
.check-list li { color: var(--muted); }
.check-list li::before { content: "•"; color: var(--brand); font-weight: 900; margin-right: 8px; }

.zone-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
.zone-card { overflow: hidden; box-shadow: none; display: flex; flex-direction: column; }
.zone-img { min-height: 140px; padding: 14px; display: grid; place-items: center; background: linear-gradient(135deg, #fff, #fff3ec); }
.zone-img img { width: 100%; max-height: 190px; object-fit: contain; }
.zone-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.zone-body p { flex: 1; }

.app-banner {
  display: grid;
  gap: 26px;
  align-items: center;
  border-radius: 30px;
  padding: 26px;
  background: linear-gradient(135deg, #101010, #1c1c1c 54%, rgba(255,80,0,.22));
  color: #fff;
  overflow: hidden;
}
.app-banner .image-panel { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.10); padding: 18px; }
.app-banner .image-panel img { max-height: 330px; object-fit: contain; margin: 0 auto; }
.app-content p { color: #eaeaea; }
.feature-grid { display: grid; gap: 10px; margin: 18px 0; }
.feature-grid span {
  border-radius: 14px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.10);
  padding: 11px 12px;
  color: #fff;
}

.service-strip {
  border-radius: 24px;
  background: #161616;
  color: #fff;
  padding: 22px;
  display: grid;
  gap: 12px;
  margin-bottom: 20px;
}
.service-strip p { margin: 0; color: #ececec; }
.mini-grid { display: grid; gap: 14px; }
.mini-card { padding: 20px; box-shadow: none; }
.mini-card .num { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--brand); color: #fff; font-weight: 900; margin-bottom: 10px; }
.notice-box {
  border-radius: 24px;
  background: #fff;
  border: 1px solid rgba(255,80,0,.18);
  box-shadow: var(--shadow);
  padding: 24px;
}
.notice-box strong { color: var(--brand); }
.faq-grid { display: grid; gap: 14px; }
.faq-item { padding: 20px; box-shadow: none; }
.faq-item h3 { margin: 0 0 8px; font-size: 18px; }
.faq-item p { margin: 0; color: var(--muted); }

.page-hero {
  background: linear-gradient(135deg, rgba(0,0,0,.92), rgba(0,0,0,.82)), url('banner.webp');
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 64px 0 56px;
}
.page-hero h1 {
  color: var(--brand);
  font-size: clamp(34px, 7vw, 56px);
  line-height: 1.12;
  margin: 14px 0;
  letter-spacing: -.03em;
}
.page-hero p { color: #f0f0f0; max-width: 850px; margin: 0; }
.page-section { padding: 54px 0; }
.page-section.alt { background: var(--gray-bg); }
.page-section.soft { background: var(--orange-soft); }
.page-grid { display: grid; gap: 22px; }
.page-visual { border-radius: 26px; background: #fff; padding: 18px; box-shadow: var(--shadow); }
.page-visual img { width: 100%; max-height: 360px; object-fit: contain; margin: 0 auto; }
.page-card { padding: 22px; box-shadow: none; }
.page-card ul { margin: 12px 0 0; padding-left: 18px; color: var(--muted); }
.steps { counter-reset: step; display: grid; gap: 14px; padding: 0; margin: 0; list-style: none; }
.steps li { counter-increment: step; background: #fff; border-radius: 18px; padding: 18px 18px 18px 58px; position: relative; box-shadow: 0 10px 24px rgba(0,0,0,.05); color: var(--muted); }
.steps li::before { content: counter(step); position: absolute; left: 18px; top: 18px; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; background: var(--brand); color: #fff; font-weight: 900; }
.link-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 18px; }
.contact-grid { display: grid; gap: 16px; }
.contact-card { padding: 22px; box-shadow: none; }

.site-footer { background: var(--footer); color: #d8d8d8; padding: 44px 0 22px; }
.footer-grid { display: grid; gap: 28px; }
.footer-logo img { max-height: 46px; max-width: 150px; object-fit: contain; margin-bottom: 14px; }
.site-footer p { margin: 0 0 12px; color: #d8d8d8; }
.footer-warning { color: #fff3ec !important; }
.site-footer h3 { color: #fff; margin: 0 0 12px; font-size: 18px; }
.site-footer a { display: block; color: #d8d8d8; margin: 7px 0; }
.site-footer a:hover { color: var(--brand); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.10); margin-top: 28px; padding-top: 18px; display: flex; flex-direction: column; gap: 8px; color: #aaa; font-size: 13px; }

@media (min-width: 640px) {
  .zone-grid { grid-template-columns: repeat(2, 1fr); }
  .mini-grid, .faq-grid, .feature-grid, .contact-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 900px) {
  .mobile-topbar { display: none; }
  .desktop-header { min-height: 76px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 22px; }
  .desktop-nav { display: flex; align-items: center; justify-content: center; gap: 6px; }
  .desktop-nav a { color: #f3f3f3; font-weight: 700; font-size: 14px; padding: 9px 11px; border-radius: 999px; }
  .desktop-nav a.active, .desktop-nav a:hover { color: #fff; background: rgba(255,80,0,.22); }
  .hero-inner { grid-template-columns: .9fr 1.1fr; gap: 46px; min-height: 610px; padding: 62px 0 52px; text-align: left; }
  .hero-desc { margin-left: 0; margin-right: 0; font-size: 17px; }
  .hero-tags, .info-tags { justify-content: flex-start; }
  .hero-dashboard { padding: 24px; }
  .hero-dashboard img { max-height: 500px; }
  .category-wrap { margin-top: 0; }
  .focus-layout { grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr); align-items: stretch; }
  .dual-grid { grid-template-columns: repeat(2, 1fr); }
  .zone-grid { grid-template-columns: repeat(4, 1fr); grid-auto-flow: dense; }
  .zone-card.wide { grid-column: span 2; }
  .zone-card.tall { grid-row: span 2; }
  .zone-card.tall .zone-img img { max-height: 270px; }
  .app-banner { grid-template-columns: .85fr 1.15fr; padding: 34px; }
  .mini-grid { grid-template-columns: repeat(3, 1fr); }
  .faq-grid { grid-template-columns: repeat(2, 1fr); }
  .page-grid { grid-template-columns: .95fr 1.05fr; align-items: center; }
  .page-grid.reverse { grid-template-columns: 1.05fr .95fr; }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
  .footer-bottom { flex-direction: row; justify-content: space-between; }
}

@media (min-width: 1120px) {
  .desktop-nav a { padding: 9px 13px; font-size: 15px; }
}

@media (max-width: 420px) {
  .container { width: min(100% - 24px, 1180px); }
  .mobile-topbar { grid-template-columns: 42px 1fr 86px; padding-left: 8px; padding-right: 8px; }
  .mobile-logo img { max-width: 110px; }
  .mobile-register { font-size: 12px; padding: 7px 10px; }
  .hero-inner { padding-top: 46px; }
  .hero-dashboard img { max-height: 260px; }
  .section, .page-section { padding: 44px 0; }
  .app-banner { padding: 20px; border-radius: 24px; }
}