:root {
  --primary-color: #017439;
  --secondary-color: #FFFFFF;
  --register-button-bg: #C30808;
  --login-button-bg: #C30808;
  --register-login-text: #FFFF00;
  --body-bg: #0a0a0a; /* From shared.css */
  --text-on-dark: #ffffff;
  --text-on-light: #333333;
}

.page-casino {
  color: var(--text-on-dark); /* Ensure light text on dark body background */
  background-color: var(--body-bg);
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

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

.page-casino__section-title {
  font-size: 2.5em;
  color: var(--secondary-color);
  text-align: center;
  margin-bottom: 40px;
  position: relative;
  padding-bottom: 15px;
}

.page-casino__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--primary-color);
  border-radius: 2px;
}

.page-casino__section-text {
  font-size: 1.1em;
  text-align: center;
  margin-bottom: 30px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

/* Hero Section */
.page-casino__hero-section {
  background: linear-gradient(135deg, var(--primary-color), #004d2b);
  padding-top: 0; /* Assumes shared.css handles body padding */
  padding-bottom: 80px;
  display: flex;
  align-items: center;
  min-height: 600px;
  position: relative;
  overflow: hidden;
}

.page-casino__hero-content {
  position: relative;
  z-index: 2;
  text-align: left;
  flex: 1;
}

.page-casino__hero-title {
  font-size: 3.8em;
  color: var(--secondary-color);
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-casino__hero-description {
  font-size: 1.4em;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 40px;
  max-width: 800px;
}

.page-casino__hero-buttons {
  display: flex;
  gap: 20px;
}

.page-casino__hero-image-wrapper {
  flex: 1;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  position: relative;
  z-index: 1;
}

.page-casino__hero-image {
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  max-width: 100%;
  height: auto;
  display: block;
}

/* Buttons */
.page-casino__btn-primary,
.page-casino__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  text-align: center;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-casino__btn-primary {
  background-color: var(--register-button-bg);
  color: var(--register-login-text);
  border: 2px solid var(--register-button-bg);
}

.page-casino__btn-primary:hover {
  background-color: #a00606;
  border-color: #a00606;
}

.page-casino__btn-secondary {
  background-color: transparent;
  color: var(--register-login-text);
  border: 2px solid var(--register-login-text);
}

.page-casino__btn-secondary:hover {
  background-color: var(--register-login-text);
  color: var(--register-button-bg);
}

.page-casino__btn-small {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  font-size: 0.9em;
  transition: all 0.3s ease;
  background-color: var(--primary-color);
  color: var(--secondary-color);
  border: 1px solid var(--primary-color);
  margin-top: 15px;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-casino__btn-small:hover {
  background-color: #004d2b;
  border-color: #004d2b;
}

.page-casino__button-group {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 50px;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

/* General Content Sections */
.page-casino__introduction-section,
.page-casino__advantages-section,
.page-casino__promotions-section,
.page-casino__conclusion-section {
  padding: 80px 0;
  color: var(--text-on-light); /* Light background, dark text */
  background-color: var(--secondary-color);
}

.page-casino__games-section,
.page-casino__how-to-join-section,
.page-casino__faq-section,
.page-casino__copyright-section {
  padding: 80px 0;
  color: var(--text-on-dark); /* Dark background, light text */
  background-color: var(--body-bg);
}

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

/* Game Cards */
.page-casino__game-card,
.page-casino__promo-card {
  background-color: rgba(255, 255, 255, 0.1); /* Semi-transparent white on dark bg */
  border-radius: 10px;
  padding: 20px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--text-on-dark);
}

.page-casino__game-card:hover,
.page-casino__promo-card:hover {
  transform: translateY(-5px);
}

.page-casino__game-image,
.page-casino__promo-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 15px;
  display: block;
  max-width: 100%;
}

.page-casino__game-title,
.page-casino__promo-title {
  font-size: 1.5em;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.page-casino__game-title a,
.page-casino__promo-title a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-casino__game-title a:hover,
.page-casino__promo-title a:hover {
  color: var(--secondary-color);
}

.page-casino__game-description,
.page-casino__promo-description {
  font-size: 0.95em;
  color: rgba(255, 255, 255, 0.8);
  flex-grow: 1;
}

/* Advantages Section */
.page-casino__advantage-item {
  background-color: var(--primary-color);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  color: var(--secondary-color);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-casino__advantage-icon {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  max-width: 100%;
  display: block;
}

.page-casino__advantage-title {
  font-size: 1.6em;
  margin-bottom: 10px;
  color: var(--secondary-color);
}

.page-casino__advantage-description {
  font-size: 1em;
  color: rgba(255, 255, 255, 0.9);
}

/* How-To-Join Steps */
.page-casino__step-item {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  color: var(--text-on-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-casino__step-number {
  font-size: 2.5em;
  font-weight: bold;
  color: var(--primary-color);
  margin-bottom: 15px;
  background-color: var(--secondary-color);
  border-radius: 50%;
  width: 60px;
  height: 60px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-casino__step-title {
  font-size: 1.8em;
  color: var(--secondary-color);
  margin-bottom: 10px;
}

.page-casino__step-description {
  font-size: 1em;
  color: rgba(255, 255, 255, 0.8);
  flex-grow: 1;
}

/* FAQ Section */
.page-casino__faq-list {
  max-width: 900px;
  margin: 40px auto 0 auto;
}

.page-casino__faq-item {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  color: var(--text-on-dark);
}

.page-casino__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  font-size: 1.2em;
  font-weight: bold;
  cursor: pointer;
  background-color: rgba(255, 255, 255, 0.1);
  transition: background-color 0.3s ease;
  color: var(--secondary-color);
}

.page-casino__faq-question:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

.page-casino__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  transition: transform 0.3s ease;
}

.page-casino__faq-item.active .page-casino__faq-toggle {
  transform: rotate(45deg);
}

.page-casino__faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 20px;
  transition: max-height 0.3s ease-out, padding 0.3s ease-out;
  color: rgba(255, 255, 255, 0.8);
}

.page-casino__faq-item.active .page-casino__faq-answer {
  max-height: 1000px !important; /* Sufficiently large */
  padding: 20px !important;
}

.page-casino__faq-answer p {
  margin: 0;
  font-size: 1em;
  line-height: 1.5;
}

/* Copyright Section */
.page-casino__copyright-section {
  padding: 30px 0;
  text-align: center;
  background-color: #000000; /* Even darker for footer */
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9em;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-casino__hero-title {
    font-size: 3em;
  }

  .page-casino__hero-description {
    font-size: 1.2em;
  }

  .page-casino__section-title {
    font-size: 2em;
  }

  .page-casino__section-text {
    font-size: 1em;
  }
}

@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-casino__hero-section {
    flex-direction: column;
    text-align: center;
    padding-top: var(--header-offset, 80px); /* Adjust for mobile header offset if shared.css doesn't do body padding */
    padding-bottom: 40px;
    min-height: auto;
  }

  .page-casino__hero-content {
    text-align: center;
    margin-bottom: 30px;
  }

  .page-casino__hero-title {
    font-size: 2.2em;
    margin-bottom: 15px;
  }

  .page-casino__hero-description {
    font-size: 1em;
    margin-bottom: 30px;
  }

  .page-casino__hero-buttons {
    flex-direction: column;
    gap: 15px;
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
  }

  .page-casino__hero-image-wrapper {
    justify-content: center;
  }

  .page-casino__hero-image {
    width: 100%;
    max-width: 500px;
    height: auto;
  }

  /* 产品展示图区域 */
  .page-casino__games-grid,
  .page-casino__advantages-grid,
  .page-casino__promotions-grid,
  .page-casino__steps-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-casino__games-grid {
    grid-template-columns: repeat(2, 1fr); /* 2x2 layout for first 4, then single column */
  }

  .page-casino__game-card:nth-child(n+5) {
    grid-column: span 2; /* Make the 5th and 6th items span full width */
  }

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

  .page-casino__container,
  .page-casino__section,
  .page-casino__card,
  .page-casino__game-card,
  .page-casino__advantage-item,
  .page-casino__promo-card,
  .page-casino__step-item,
  .page-casino__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* 按钮与按钮容器 */
  .page-casino__btn-primary,
  .page-casino__btn-secondary,
  .page-casino__btn-small,
  .page-casino a[class*="button"],
  .page-casino a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-casino__button-group {
    flex-direction: column !important;
    gap: 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }

  /* 其他内容模块 */
  .page-casino__section-title {
    font-size: 1.8em;
    margin-bottom: 20px;
  }

  .page-casino__section-text {
    font-size: 0.95em;
    text-align: left;
  }

  .page-casino__faq-question {
    font-size: 1.1em;
    padding: 15px;
  }

  .page-casino__faq-answer {
    padding: 0 15px;
  }

  .page-casino__faq-item.active .page-casino__faq-answer {
    padding: 15px !important;
  }

  .page-casino__game-title,
  .page-casino__promo-title {
    font-size: 1.3em;
  }

  .page-casino__advantage-title,
  .page-casino__step-title {
    font-size: 1.4em;
  }

  .page-casino__introduction-section,
  .page-casino__advantages-section,
  .page-casino__promotions-section,
  .page-casino__conclusion-section,
  .page-casino__games-section,
  .page-casino__how-to-join-section,
  .page-casino__faq-section,
  .page-casino__copyright-section {
    padding: 40px 0;
  }
}