:root {
  --betbo-primary: #E63946;
  --betbo-secondary: #1D3557;
  --betbo-accent: #F4A261;
  --betbo-background: #F1FAEE;
  --betbo-text: #1D3557;
  --betbo-surface: #FFFFFF;
  --betbo-highlight: #457B9D;
  --betbo-gradient-start: #E63946;
  --betbo-gradient-end: #1D3557;
  --betbo-font-heading: 'Poppins', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --betbo-font-body: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --betbo-font-weight-bold: 700;
  --betbo-font-weight-light: 300;
  --betbo-tracking-wide: 0.05em;
  --betbo-line-height-heading: 1.2;
  --betbo-line-height-body: 1.6;
  --betbo-radius: 6px;
  --betbo-shadow: 0 4px 20px rgba(29, 53, 87, 0.12);
  --betbo-transition: 0.25s ease;
  --betbo-container-max: 1200px;
  --betbo-gap: 24px;
  --betbo-break-mobile: 768px;
  --betbo-break-tablet: 1024px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--betbo-font-body);
  font-weight: var(--betbo-font-weight-light);
  line-height: var(--betbo-line-height-body);
  color: var(--betbo-text);
  background-color: var(--betbo-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
svg,
video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--betbo-transition);
}

a:hover,
a:focus-visible {
  color: var(--betbo-primary);
}

ul {
  list-style: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--betbo-primary);
  outline-offset: 2px;
  border-radius: var(--betbo-radius);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0s !important;
    animation-duration: 0s !important;
    scroll-behavior: auto !important;
  }
  html {
    scroll-behavior: auto;
  }
}

.betbo-skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  z-index: 10000;
  padding: 12px 24px;
  background: var(--betbo-primary);
  color: #fff;
  font-weight: var(--betbo-font-weight-bold);
  font-family: var(--betbo-font-heading);
  font-size: 1rem;
  border-radius: 0 0 var(--betbo-radius) 0;
  transition: top 0.2s ease;
}
.betbo-skip-link:focus {
  top: 0;
  outline: none;
}

.betbo-header {
  position: relative;
  z-index: 1000;
  background: var(--betbo-secondary);
  color: #fff;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
}
.betbo-header::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--betbo-primary), var(--betbo-accent), transparent 80%);
  z-index: 1;
}
.betbo-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--betbo-container-max);
  margin: 0 auto;
  padding: 16px var(--betbo-gap);
  position: relative;
}
.betbo-header__brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-shrink: 0;
}
.betbo-header__logo {
  font-family: var(--betbo-font-heading);
  font-weight: var(--betbo-font-weight-bold);
  font-size: 1.75rem;
  letter-spacing: var(--betbo-tracking-wide);
  color: #fff;
  line-height: var(--betbo-line-height-heading);
  transition: color var(--betbo-transition);
}
.betbo-header__logo:hover,
.betbo-header__logo:focus-visible {
  color: var(--betbo-accent);
}
.betbo-header__tagline {
  font-family: var(--betbo-font-body);
  font-weight: var(--betbo-font-weight-light);
  font-size: 0.8rem;
  color: var(--betbo-accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.8;
  display: none;
}
@media (min-width: 480px) {
  .betbo-header__tagline {
    display: inline;
  }
}
.betbo-header__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 5px;
  border-radius: var(--betbo-radius);
  transition: background var(--betbo-transition);
}
.betbo-header__toggle:hover,
.betbo-header__toggle:focus-visible {
  background: rgba(255,255,255,0.1);
  outline: none;
}
.betbo-header__toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
@media (prefers-reduced-motion: reduce) {
  .betbo-header__toggle-bar {
    transition: none;
  }
}
.betbo-header__toggle[aria-expanded="true"] .betbo-header__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.betbo-header__toggle[aria-expanded="true"] .betbo-header__toggle-bar:nth-child(2) {
  opacity: 0;
}
.betbo-header__toggle[aria-expanded="true"] .betbo-header__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
@media (min-width: 769px) {
  .betbo-header__toggle {
    display: none;
  }
}
.betbo-header__nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(29, 53, 87, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: -1;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}
@media (prefers-reduced-motion: reduce) {
  .betbo-header__nav {
    transition: none;
  }
}
.betbo-header__nav[data-open] {
  display: flex;
  opacity: 1;
  visibility: visible;
}
.betbo-header__nav-list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 80px 24px 40px;
  text-align: center;
}
.betbo-header__nav-list a {
  font-family: var(--betbo-font-heading);
  font-weight: var(--betbo-font-weight-bold);
  font-size: 1.5rem;
  letter-spacing: var(--betbo-tracking-wide);
  color: rgba(255,255,255,0.85);
  padding: 12px 24px;
  border-radius: var(--betbo-radius);
  transition: color var(--betbo-transition), background var(--betbo-transition);
  display: inline-block;
}
.betbo-header__nav-list a:hover,
.betbo-header__nav-list a:focus-visible {
  color: var(--betbo-primary);
  background: rgba(255,255,255,0.05);
}
.betbo-header__nav-list a[aria-current="page"] {
  color: var(--betbo-primary);
  border-bottom: 3px solid var(--betbo-primary);
}
@media (min-width: 769px) {
  .betbo-header__nav {
    display: flex;
    position: static;
    width: auto;
    height: auto;
    background: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    z-index: auto;
    opacity: 1;
    visibility: visible;
    align-items: center;
    justify-content: flex-end;
  }
  .betbo-header__nav-list {
    flex-direction: row;
    gap: 4px;
    padding: 0;
  }
  .betbo-header__nav-list a {
    font-size: 0.9rem;
    padding: 8px 16px;
    color: rgba(255,255,255,0.9);
    letter-spacing: 0.03em;
  }
  .betbo-header__nav-list a:hover,
  .betbo-header__nav-list a:focus-visible {
    color: var(--betbo-accent);
    background: transparent;
  }
  .betbo-header__nav-list a[aria-current="page"] {
    color: var(--betbo-accent);
    border-bottom: 2px solid var(--betbo-accent);
  }
}

.betbo-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999;
  width: 0%;
  height: 4px;
  background: linear-gradient(90deg, var(--betbo-primary), var(--betbo-accent));
  box-shadow: 0 0 8px rgba(230, 57, 70, 0.4);
  transition: width 0.15s linear;
  pointer-events: none;
}
@media (prefers-reduced-motion: reduce) {
  .betbo-progress {
    transition: none;
  }
}

.betbo-footer {
  background: var(--betbo-secondary);
  color: rgba(255,255,255,0.85);
  border-top: 4px solid var(--betbo-primary);
  padding: 48px 0 0;
  margin-top: 80px;
}
.betbo-footer__inner {
  max-width: var(--betbo-container-max);
  margin: 0 auto;
  padding: 0 var(--betbo-gap) 24px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}
@media (min-width: 640px) {
  .betbo-footer__inner {
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
  }
}
.betbo-footer__logo {
  font-family: var(--betbo-font-heading);
  font-weight: var(--betbo-font-weight-bold);
  font-size: 1.5rem;
  letter-spacing: var(--betbo-tracking-wide);
  color: #fff;
  margin-bottom: 4px;
}
.betbo-footer__tagline {
  font-family: var(--betbo-font-body);
  font-weight: var(--betbo-font-weight-light);
  font-size: 0.85rem;
  color: var(--betbo-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}
.betbo-footer__trust {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.6;
  max-width: 360px;
}
.betbo-footer__heading {
  font-family: var(--betbo-font-heading);
  font-weight: var(--betbo-font-weight-bold);
  font-size: 0.95rem;
  letter-spacing: var(--betbo-tracking-wide);
  color: #fff;
  margin-bottom: 16px;
  text-transform: uppercase;
}
.betbo-footer__link-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.betbo-footer__link-list a {
  color: rgba(255,255,255,0.75);
  font-size: 0.9rem;
  transition: color var(--betbo-transition);
  padding: 2px 0;
}
.betbo-footer__link-list a:hover,
.betbo-footer__link-list a:focus-visible {
  color: var(--betbo-accent);
}
.betbo-footer__contact p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 6px;
  line-height: 1.6;
}
.betbo-footer__contact a {
  color: var(--betbo-accent);
  transition: color var(--betbo-transition);
}
.betbo-footer__contact a:hover {
  color: #fff;
}
.betbo-footer__bottom {
  grid-column: 1 / -1;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
}
.betbo-footer__bottom p {
  margin: 0;
}

.betbo-container {
  max-width: var(--betbo-container-max);
  margin: 0 auto;
  padding: 0 var(--betbo-gap);
}

.betbo-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 32px;
  font-family: var(--betbo-font-heading);
  font-weight: var(--betbo-font-weight-bold);
  font-size: 0.95rem;
  letter-spacing: var(--betbo-tracking-wide);
  color: #fff;
  background: var(--betbo-primary);
  border-radius: var(--betbo-radius);
  transition: background var(--betbo-transition), transform var(--betbo-transition), box-shadow var(--betbo-transition);
  text-transform: uppercase;
  border: none;
  line-height: 1.2;
  cursor: pointer;
}
.betbo-btn:hover,
.betbo-btn:focus-visible {
  background: #c62d3a;
  box-shadow: 0 6px 24px rgba(230, 57, 70, 0.35);
  transform: translateY(-1px);
  color: #fff;
}
.betbo-btn--outline {
  background: transparent;
  color: var(--betbo-primary);
  border: 2px solid var(--betbo-primary);
}
.betbo-btn--outline:hover,
.betbo-btn--outline:focus-visible {
  background: var(--betbo-primary);
  color: #fff;
}

.betbo-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 16px 0;
  font-family: var(--betbo-font-body);
  font-size: 0.85rem;
  color: rgba(29, 53, 87, 0.55);
}
.betbo-breadcrumb a {
  color: var(--betbo-highlight);
  transition: color var(--betbo-transition);
}
.betbo-breadcrumb a:hover {
  color: var(--betbo-primary);
}
.betbo-breadcrumb .betbo-breadcrumb__sep {
  color: rgba(29, 53, 87, 0.25);
  user-select: none;
}
.betbo-breadcrumb .betbo-breadcrumb__current {
  color: var(--betbo-text);
  font-weight: var(--betbo-font-weight-bold);
}

.betbo-section {
  padding: 60px 0;
}
.betbo-section--alt {
  background: var(--betbo-surface);
}
.betbo-section--dark {
  background: var(--betbo-secondary);
  color: #fff;
}

.betbo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--betbo-gap);
}
.betbo-grid--2 {
  grid-template-columns: repeat(2, 1fr);
}
.betbo-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}
.betbo-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}
@media (max-width: 767px) {
  .betbo-grid--2,
  .betbo-grid--3,
  .betbo-grid--4 {
    grid-template-columns: 1fr;
  }
}
.betbo-grid__item {
  min-width: 0;
}

.betbo-card {
  background: var(--betbo-surface);
  border-radius: var(--betbo-radius);
  box-shadow: var(--betbo-shadow);
  padding: 24px;
  transition: transform var(--betbo-transition), box-shadow var(--betbo-transition);
  border-top: 3px solid transparent;
}
.betbo-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(29, 53, 87, 0.18);
  border-top-color: var(--betbo-primary);
}
.betbo-card__title {
  font-family: var(--betbo-font-heading);
  font-weight: var(--betbo-font-weight-bold);
  font-size: 1.2rem;
  letter-spacing: var(--betbo-tracking-wide);
  margin-bottom: 8px;
  color: var(--betbo-text);
}
.betbo-card__body {
  font-size: 0.9rem;
  color: rgba(29, 53, 87, 0.7);
  line-height: var(--betbo-line-height-body);
}

@media (max-width: 767px) {
  .betbo-header__inner {
    padding: 12px 16px;
  }
  .betbo-header__logo {
    font-size: 1.4rem;
  }
  .betbo-footer {
    padding-top: 36px;
  }
  .betbo-footer__inner {
    gap: 28px;
  }
  .betbo-section {
    padding: 40px 0;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .betbo-header__inner {
    padding: 14px var(--betbo-gap);
  }
  .betbo-footer__inner {
    grid-template-columns: 1fr 1fr;
  }
  .betbo-footer__bottom {
    grid-column: 1 / -1;
  }
}