:root {
  --brand: rgb(213, 5, 5);
  --brand-dark: rgb(170, 0, 0);
  --text: #171717;
  --muted: #5f6368;
  --light: #f5f5f5;
  --line: #e8e8e8;
  --white: #ffffff;
  --black: #000000;
  --radius: 18px;
  --shadow: 0 12px 30px rgba(0, 0, 0, .08);
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.75;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.container {
  width: min(100% - 28px, 1180px);
  margin: 0 auto;
}

.top-red-bar,
.desktop-header {
  display: none;
}

.site-header {
  background: var(--white);
  position: relative;
  z-index: 20;
  box-shadow: 0 1px 0 var(--line);
}

.mobile-header {
  height: 62px;
  display: grid;
  grid-template-columns: 52px 1fr 78px;
  align-items: center;
  gap: 8px;
  padding: 0 14px;
  background: var(--white);
}

.menu-btn {
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 12px;
  background: var(--light);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}

.menu-btn span {
  width: 20px;
  height: 2px;
  border-radius: 8px;
  background: var(--black);
}

.mobile-logo {
  justify-self: center;
}

.mobile-logo img,
.desktop-logo img {
  height: 38px;
  width: auto;
  object-fit: contain;
}

.top-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 16px;
  border-radius: 999px;
  color: var(--white);
  background: var(--brand);
  font-weight: 700;
  font-size: 14px;
  box-shadow: 0 6px 15px rgba(213, 5, 5, .18);
}

.top-action:hover,
.main-btn:hover {
  background: var(--brand-dark);
}

.mobile-nav {
  max-height: 0;
  overflow: hidden;
  display: grid;
  background: var(--white);
  border-top: 1px solid var(--line);
  transition: max-height .25s ease;
}

.mobile-nav.open {
  max-height: 420px;
}

.mobile-nav a {
  padding: 13px 20px;
  border-bottom: 1px solid var(--line);
  color: #2a2a2a;
  font-weight: 600;
}

.mobile-nav a.active {
  color: var(--brand);
  background: #fff5f5;
}

.section {
  padding: 52px 0;
}

.section-light {
  background: var(--light);
}

.section-title {
  margin-bottom: 26px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .02em;
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 3px;
  border-radius: 3px;
  background: var(--brand);
}

h1,
h2,
h3 {
  margin: 0 0 12px;
  line-height: 1.35;
  color: var(--text);
}

h1 {
  font-size: clamp(28px, 6vw, 48px);
}

h2 {
  font-size: clamp(24px, 4vw, 34px);
}

h3 {
  font-size: 20px;
}

p {
  margin: 0 0 14px;
  color: var(--muted);
}

.main-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 24px;
  border-radius: 999px;
  color: var(--white);
  background: var(--brand);
  font-weight: 800;
  box-shadow: 0 12px 24px rgba(213, 5, 5, .18);
}

.text-link {
  display: inline-flex;
  align-items: center;
  color: var(--brand);
  font-weight: 800;
  margin-top: 8px;
}

.text-link::after {
  content: "›";
  margin-left: 6px;
  font-size: 22px;
  line-height: 1;
}

.sports-hero {
  padding: 24px 0 16px;
  background: linear-gradient(180deg, #ffffff 0%, #f7f7f7 100%);
}

.banner-slider {
  position: relative;
  overflow: hidden;
  border-radius: 0 0 22px 22px;
  background: #f7f7f7;
}

.banner-track {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
}

.banner-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity .45s ease;
}

.banner-slide.active {
  opacity: 1;
  pointer-events: auto;
}

.banner-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.banner-caption {
  padding: 18px 0 4px;
}

.banner-caption p {
  max-width: 820px;
}

.slider-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 14px;
  display: flex;
  justify-content: center;
  gap: 9px;
  z-index: 2;
}

.slider-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  border: 0;
  background: rgba(255, 255, 255, .72);
  cursor: pointer;
}

.slider-dot.active {
  width: 26px;
  background: var(--brand);
}

.slider-arrow {
  display: none;
}

.category-grid,
.service-grid,
.focus-grid,
.security-grid,
.info-list,
.related-links,
.score-cards,
.feature-grid {
  display: grid;
  gap: 16px;
}

.category-grid {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.sports-card,
.focus-card,
.service-card,
.faq-item,
.security-card,
.info-card,
.score-card,
.page-card,
.contact-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: 0 8px 22px rgba(0, 0, 0, .04);
}

.sports-card {
  position: relative;
  overflow: hidden;
}

.sports-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 92px;
  height: 92px;
  background: rgba(213, 5, 5, .07);
  border-radius: 0 0 0 100%;
}

.card-tag,
.status-tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border-radius: 999px;
  color: var(--brand);
  background: #fff1f1;
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 12px;
}

.status-tag.gray {
  color: #444;
  background: #efefef;
}

.focus-match-section {
  background: var(--white);
}

.focus-card {
  border-top: 4px solid var(--brand);
}

.content-split,
.app-showcase,
.platform-info-section,
.data-panel,
.page-split {
  display: grid;
  gap: 24px;
  align-items: center;
}

.content-image,
.app-image,
.data-image {
  border-radius: 24px;
  overflow: hidden;
  background: var(--light);
  box-shadow: var(--shadow);
}

.content-image img,
.app-image img,
.data-image img {
  width: 100%;
  object-fit: cover;
}

.check-list {
  padding: 0;
  margin: 18px 0 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  color: #333;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .65em;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: inset 0 0 0 4px #fff;
  border: 1px solid var(--brand);
}

.score-panel {
  border-radius: 24px;
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.score-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.score-row:last-child {
  border-bottom: 0;
}

.team {
  font-weight: 800;
}

.score {
  color: var(--brand);
  font-size: 22px;
  font-weight: 900;
}

.data-panel {
  margin-top: 24px;
}

.score-cards {
  margin-top: 18px;
}

.score-card strong {
  display: block;
  font-size: 22px;
  color: var(--brand);
  margin-bottom: 6px;
}

.platform-info-section .info-list {
  margin-top: 18px;
}

.security-section {
  background: #fbfbfb;
}

.responsible-play-section {
  background: #fff5f5;
}

.notice-box {
  border-left: 5px solid var(--brand);
  background: var(--white);
  border-radius: 18px;
  padding: 22px;
  box-shadow: 0 8px 22px rgba(0, 0, 0, .04);
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item h3 {
  color: var(--brand);
}

.cta-section {
  padding: 52px 0;
  background: var(--brand);
  color: var(--white);
}

.cta-box {
  display: grid;
  gap: 18px;
  align-items: center;
}

.cta-box h2,
.cta-box p {
  color: var(--white);
}

.cta-box .main-btn {
  background: var(--white);
  color: var(--brand);
  box-shadow: none;
}

.page-hero {
  padding: 46px 0;
  background: linear-gradient(180deg, #fff 0%, #f6f6f6 100%);
}

.page-hero p {
  max-width: 860px;
  font-size: 17px;
}

.page-card h3,
.info-card h3,
.security-card h3,
.score-card h3 {
  color: #202020;
}

.page-card .number {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--brand);
  color: var(--white);
  font-weight: 900;
  margin-bottom: 12px;
}

.step-list {
  counter-reset: steps;
  padding: 0;
  margin: 18px 0 0;
  display: grid;
  gap: 14px;
  list-style: none;
}

.step-list li {
  counter-increment: steps;
  position: relative;
  padding: 16px 16px 16px 58px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--white);
}

.step-list li::before {
  content: counter(steps);
  position: absolute;
  left: 16px;
  top: 18px;
  width: 28px;
  height: 28px;
  border-radius: 10px;
  background: var(--brand);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
}

.related-links {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.related-links a {
  padding: 14px;
  border-radius: 14px;
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--brand);
  font-weight: 800;
  text-align: center;
}

.site-footer {
  background: #202020;
  color: #fff;
}

.footer-grid {
  display: grid;
  gap: 24px;
  padding: 44px 0;
}

.footer-logo {
  height: 42px;
  width: auto;
  margin-bottom: 14px;
}

.site-footer p {
  color: rgba(255, 255, 255, .72);
}

.site-footer h3 {
  color: #fff;
  font-size: 17px;
}

.site-footer a {
  display: block;
  color: rgba(255, 255, 255, .78);
  margin: 8px 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  color: rgba(255, 255, 255, .66);
  font-size: 14px;
}

.footer-bottom .container {
  padding: 16px 0;
  display: grid;
  gap: 6px;
}

@media (min-width: 640px) {
  .category-grid,
  .service-grid,
  .focus-grid,
  .security-grid,
  .score-cards,
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .related-links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .mobile-header,
  .mobile-nav {
    display: none;
  }

  .top-red-bar,
  .desktop-header {
    display: block;
  }

  .top-red-bar {
    background: var(--brand);
    color: var(--white);
    font-size: 13px;
  }

  .top-red-inner {
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .desktop-header {
    background: var(--white);
    border-bottom: 1px solid var(--line);
  }

  .desktop-inner {
    height: 76px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 26px;
  }

  .brand-area {
    display: flex;
    align-items: center;
    gap: 16px;
  }

  .desktop-logo img {
    height: 46px;
  }

  .search-icon {
    width: 36px;
    height: 36px;
    border: 1px solid var(--line);
    border-radius: 50%;
    position: relative;
    background: #fafafa;
  }

  .search-icon::before {
    content: "";
    position: absolute;
    width: 12px;
    height: 12px;
    border: 2px solid #333;
    border-radius: 50%;
    left: 9px;
    top: 8px;
  }

  .search-icon::after {
    content: "";
    position: absolute;
    width: 8px;
    height: 2px;
    background: #333;
    transform: rotate(45deg);
    right: 8px;
    bottom: 10px;
    border-radius: 4px;
  }

  .desktop-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
  }

  .desktop-nav a {
    padding: 9px 14px;
    border-radius: 999px;
    color: #2a2a2a;
    font-weight: 700;
    white-space: nowrap;
  }

  .desktop-nav a.active,
  .desktop-nav a:hover {
    background: var(--brand);
    color: var(--white);
  }

  .desktop-action {
    min-width: 86px;
  }

  .sports-hero {
    padding: 28px 0 20px;
  }

  .banner-slider {
    border-radius: 24px;
  }

  .banner-track {
    aspect-ratio: 21 / 8;
  }

  .banner-slide img {
    object-fit: cover;
  }

  .slider-arrow {
    display: flex;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    width: 42px;
    height: 42px;
    border: 0;
    border-radius: 50%;
    color: var(--white);
    background: rgba(0, 0, 0, .28);
    align-items: center;
    justify-content: center;
    font-size: 28px;
    cursor: pointer;
  }

  .slider-prev {
    left: 18px;
  }

  .slider-next {
    right: 18px;
  }

  .category-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .service-grid,
  .security-grid,
  .feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .focus-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .content-split,
  .app-showcase,
  .platform-info-section,
  .data-panel,
  .page-split {
    grid-template-columns: 1.03fr .97fr;
    gap: 42px;
  }

  .platform-info-section.reverse,
  .page-split.reverse {
    grid-template-columns: .95fr 1.05fr;
  }

  .score-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .cta-box {
    grid-template-columns: 1fr auto;
  }

  .footer-grid {
    grid-template-columns: 1.6fr 1fr 1fr 1.1fr;
  }

  .footer-bottom .container {
    display: flex;
    justify-content: space-between;
  }

  .section {
    padding: 72px 0;
  }
}

@media (min-width: 1180px) {
  .desktop-nav {
    gap: 12px;
  }

  .desktop-nav a {
    padding: 10px 16px;
  }
}