/* Colors */
:root {
  --page-casino-primary-color: #113B7A;
  --page-casino-secondary-color: #1D5FD1;
  --page-casino-btn-gradient: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  --page-casino-card-bg: #10233F;
  --page-casino-text-main: #F3F8FF;
  --page-casino-text-secondary: #AFC4E8;
  --page-casino-border-color: #244D84;
  --page-casino-glow-color: #4FA8FF;
  --page-casino-gold-color: #F2C14E;
  --page-casino-divider-color: #1B3357;
  --page-casino-deep-navy: #08162B;
}

.page-casino {
  color: var(--page-casino-text-main); /* Body background is dark, so text is light */
  background-color: var(--page-casino-deep-navy);
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
}

.page-casino__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 15px;
}

.page-casino__section {
  padding: 60px 0;
  background-color: var(--page-casino-deep-navy);
  position: relative;
  z-index: 1;
}

.page-casino__section-title {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 700;
  color: var(--page-casino-gold-color);
  text-align: center;
  margin-bottom: 20px;
  line-height: 1.3;
  text-shadow: 0 0 10px rgba(242, 193, 78, 0.5);
}

.page-casino__section-description {
  font-size: 18px;
  color: var(--page-casino-text-secondary);
  text-align: center;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Hero Section */
.page-casino__hero-section {
  padding-top: 10px; /* Rely on body padding for header offset */
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 600px;
  text-align: center;
  background-color: var(--page-casino-deep-navy);
}

.page-casino__hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}

.page-casino__hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.page-casino__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: 20px;
  animation: fadeIn 1s ease-out;
}

.page-casino__main-title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 900;
  color: var(--page-casino-gold-color);
  margin-bottom: 15px;
  line-height: 1.2;
  text-shadow: 0 0 15px rgba(242, 193, 78, 0.7);
}

.page-casino__subtitle {
  font-size: clamp(18px, 2.5vw, 24px);
  color: var(--page-casino-text-main);
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.page-casino__cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.page-casino__btn-primary,
.page-casino__btn-secondary,
.page-casino__btn-download,
.page-casino__btn-read-more,
.page-casino__btn-cta {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-casino__btn-primary,
.page-casino__btn-cta {
  background: var(--page-casino-btn-gradient);
  color: var(--page-casino-text-main);
  border: none;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3), 0 0 10px var(--page-casino-glow-color);
}

.page-casino__btn-primary:hover,
.page-casino__btn-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4), 0 0 15px var(--page-casino-glow-color);
  filter: brightness(1.1);
}

.page-casino__btn-secondary {
  background-color: transparent;
  color: var(--page-casino-gold-color);
  border: 2px solid var(--page-casino-gold-color);
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
}

.page-casino__btn-secondary:hover {
  transform: translateY(-3px);
  background-color: rgba(242, 193, 78, 0.1);
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.3);
}

.page-casino__btn-download {
  background: var(--page-casino-secondary-color);
  color: var(--page-casino-text-main);
  border: none;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-casino__btn-download:hover {
  transform: translateY(-3px);
  filter: brightness(1.1);
}

.page-casino__btn-read-more {
  background: var(--page-casino-primary-color);
  color: var(--page-casino-text-main);
  border: none;
  padding: 10px 20px;
  font-size: 16px;
  border-radius: 5px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.page-casino__btn-read-more:hover {
  background: var(--page-casino-secondary-color);
  transform: translateY(-2px);
}

/* General Content */
.page-casino__content-grid {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-bottom: 40px;
}

.page-casino__content-grid--reverse {
  flex-direction: row-reverse;
}

.page-casino__text-block {
  flex: 1;
  min-width: 0;
}

.page-casino__text-block p {
  margin-bottom: 15px;
  font-size: 17px;
  color: var(--page-casino-text-secondary);
}

.page-casino__image-wrapper {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-casino__image-wrapper img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

/* Games Highlight */
.page-casino__games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-casino__game-card,
.page-casino__promo-card,
.page-casino__step-card {
  background-color: var(--page-casino-card-bg);
  border: 1px solid var(--page-casino-border-color);
  border-radius: 10px;
  padding: 25px;
  text-align: center;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.page-casino__game-card img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-casino__card-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--page-casino-gold-color);
  margin-bottom: 10px;
  line-height: 1.3;
}

.page-casino__card-title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-casino__card-title a:hover {
  color: var(--page-casino-glow-color);
}

.page-casino__card-text {
  font-size: 16px;
  color: var(--page-casino-text-secondary);
  margin-bottom: 20px;
  flex-grow: 1;
}

/* Promotions */
.page-casino__promotions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

/* Why Choose Us */
.page-casino__feature-list {
  list-style: none;
  padding: 0;
}

.page-casino__feature-list li {
  background-color: var(--page-casino-card-bg);
  border: 1px solid var(--page-casino-border-color);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
}

.page-casino__feature-list li:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-casino__feature-list h3 {
  font-size: 20px;
  color: var(--page-casino-gold-color);
  margin-top: 0;
  margin-bottom: 10px;
}

.page-casino__feature-list p {
  font-size: 16px;
  color: var(--page-casino-text-secondary);
  margin-bottom: 0;
}

/* Registration Guide */
.page-casino__guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-casino__step-card {
  position: relative;
  padding-top: 50px;
}

.page-casino__step-number {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--page-casino-gold-color);
  color: var(--page-casino-deep-navy);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: 900;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
  border: 3px solid var(--page-casino-primary-color);
}

.page-casino__step-card .page-casino__card-title {
  margin-top: 0;
}

.page-casino__cta-center {
  text-align: center;
  margin-top: 60px;
}

/* FAQ Section */
.page-casino__faq-list {
  margin-top: 40px;
}

details.page-casino__faq-item {
  margin-bottom: 15px;
  border-radius: 10px;
  border: 1px solid var(--page-casino-border-color);
  overflow: hidden;
  background: var(--page-casino-card-bg);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

details.page-casino__faq-item summary.page-casino__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
}

details.page-casino__faq-item summary.page-casino__faq-question::-webkit-details-marker {
  display: none;
}

details.page-casino__faq-item summary.page-casino__faq-question:hover {
  background: rgba(255, 255, 255, 0.05);
}

.page-casino__faq-qtext {
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--page-casino-text-main);
}

.page-casino__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  color: var(--page-casino-gold-color);
  flex-shrink: 0;
  margin-left: 15px;
  width: 30px;
  text-align: center;
}

details.page-casino__faq-item[open] .page-casino__faq-toggle {
  color: var(--page-casino-glow-color);
}

details.page-casino__faq-item .page-casino__faq-answer {
  padding: 0 25px 25px;
  background: rgba(0, 0, 0, 0.1);
  border-radius: 0 0 10px 10px;
  font-size: 16px;
  color: var(--page-casino-text-secondary);
}

.page-casino__faq-answer p {
  margin-bottom: 0;
}

/* Contact Support */
.page-casino__contact-support .page-casino__section-description {
  margin-bottom: 30px;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-casino__container {
    padding: 20px 25px;
  }

  .page-casino__section {
    padding: 40px 0;
  }

  .page-casino__main-title {
    font-size: clamp(32px, 4.5vw, 48px);
  }

  .page-casino__subtitle {
    font-size: clamp(16px, 2vw, 20px);
  }

  .page-casino__cta-buttons {
    gap: 15px;
  }

  .page-casino__btn-primary,
  .page-casino__btn-secondary,
  .page-casino__btn-download,
  .page-casino__btn-read-more,
  .page-casino__btn-cta {
    padding: 12px 25px;
    font-size: 16px;
  }

  .page-casino__content-grid {
    flex-direction: column;
    gap: 30px;
  }

  .page-casino__content-grid--reverse {
    flex-direction: column;
  }

  .page-casino__text-block p {
    font-size: 16px;
  }

  .page-casino__image-wrapper img {
    max-width: 100%;
    width: 100%;
    height: auto;
  }

  .page-casino__games-grid,
  .page-casino__promotions-grid,
  .page-casino__guide-steps {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
  }

  .page-casino__card-title {
    font-size: 20px;
  }

  .page-casino__card-text {
    font-size: 15px;
  }

  .page-casino__feature-list li {
    padding: 18px;
  }

  .page-casino__feature-list h3 {
    font-size: 18px;
  }

  .page-casino__feature-list p {
    font-size: 14px;
  }

  .page-casino__faq-qtext {
    font-size: 17px;
  }

  .page-casino__faq-answer {
    font-size: 15px;
  }
}

@media (max-width: 849px) {
  .page-casino__hero-image img {
    object-fit: contain !important;
    aspect-ratio: unset !important;
    height: auto !important;
  }
}

@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-casino__hero-section {
    padding-top: 10px;
    min-height: 400px;
  }

  .page-casino__hero-image img {
    object-fit: contain !important;
    aspect-ratio: unset !important;
    height: auto !important;
  }

  .page-casino__main-title {
    font-size: clamp(28px, 8vw, 40px);
  }

  .page-casino__subtitle {
    font-size: clamp(15px, 4vw, 18px);
  }

  .page-casino__cta-buttons {
    flex-direction: column;
    width: 100%;
    max-width: 100%;
    padding: 0 15px;
    box-sizing: border-box;
  }

  .page-casino__btn-primary,
  .page-casino__btn-secondary,
  .page-casino__btn-download,
  .page-casino__btn-read-more,
  .page-casino__btn-cta {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    padding: 12px 15px;
    font-size: 16px;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  /* 装饰主标题 + 长文 SEO 区 */
  .page-casino__section-title {
    font-size: clamp(24px, 7vw, 32px);
    padding: 0 15px;
  }

  .page-casino__section-description {
    font-size: 15px;
    padding: 0 15px;
  }

  .page-casino__text-block p {
    font-size: 15px;
    padding: 0 15px;
  }

  .page-casino__content-grid {
    padding: 0;
    margin-bottom: 20px;
  }

  .page-casino__image-wrapper img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    padding: 0 15px;
    box-sizing: border-box;
  }

  .page-casino__container {
    padding: 0;
  }

  .page-casino__section {
    padding: 30px 0;
  }

  /* 通用图片与容器 */
  .page-casino img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-casino__section,
  .page-casino__card,
  .page-casino__container,
  .page-casino__content-grid,
  .page-casino__games-grid,
  .page-casino__promotions-grid,
  .page-casino__guide-steps,
  .page-casino__faq-list {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow-x: hidden;
  }

  /* 产品展示图区域 (General card/grid layout) */
  .page-casino__games-grid,
  .page-casino__promotions-grid,
  .page-casino__guide-steps {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 0 15px;
  }

  .page-casino__game-card,
  .page-casino__promo-card,
  .page-casino__step-card {
    padding: 20px;
  }

  .page-casino__card-title {
    font-size: 18px;
  }

  .page-casino__card-text {
    font-size: 14px;
  }

  .page-casino__step-number {
    width: 50px;
    height: 50px;
    font-size: 28px;
    top: -15px;
  }

  .page-casino__feature-list li {
    padding: 15px;
    margin: 0 15px 15px;
  }

  .page-casino__feature-list h3 {
    font-size: 17px;
  }

  .page-casino__feature-list p {
    font-size: 14px;
  }

  /* FAQ */
  details.page-casino__faq-item summary.page-casino__faq-question {
    padding: 15px 20px;
  }

  .page-casino__faq-qtext {
    font-size: 16px;
  }

  .page-casino__faq-toggle {
    font-size: 24px;
    width: 24px;
    height: 24px;
  }

  details.page-casino__faq-item .page-casino__faq-answer {
    padding: 0 20px 20px;
    font-size: 14px;
  }

  .page-casino__cta-center {
    margin-top: 40px;
    padding: 0 15px;
  }
}