/* style/da-ga.css */

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

.page-da-ga {
  color: var(--color-text-main);
  background-color: var(--color-deep-navy);
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

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

.page-da-ga__section-title {
  font-size: 2.5em;
  color: var(--color-gold);
  text-align: center;
  margin-bottom: 40px;
  font-weight: bold;
  line-height: 1.2;
}

.page-da-ga__text-block {
  font-size: 1.1em;
  line-height: 1.8;
  margin-bottom: 20px;
  color: var(--color-text-secondary);
  text-align: center;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-da-ga__card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 25px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  color: var(--color-text-main);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.page-da-ga__card-title {
  font-size: 1.5em;
  color: var(--color-gold);
  margin-top: 15px;
  margin-bottom: 10px;
  font-weight: bold;
}

.page-da-ga__card-description {
  font-size: 1em;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.page-da-ga__btn-primary,
.page-da-ga__btn-secondary,
.page-da-ga__btn-link {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  white-space: normal;
  word-wrap: break-word;
  box-sizing: border-box;
}

.page-da-ga__btn-primary {
  background: var(--color-button-gradient);
  color: var(--color-text-main);
  border: none;
  box-shadow: 0 4px 10px rgba(43, 115, 246, 0.4);
}

.page-da-ga__btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(43, 115, 246, 0.6);
}

.page-da-ga__btn-secondary {
  background: transparent;
  color: var(--color-glow);
  border: 2px solid var(--color-glow);
}

.page-da-ga__btn-secondary:hover {
  background: rgba(79, 168, 255, 0.1);
  transform: translateY(-2px);
}

.page-da-ga__btn-link {
  background: transparent;
  color: var(--color-glow);
  border: none;
  text-decoration: underline;
  padding: 5px 0;
  margin-top: 10px;
}

.page-da-ga__btn-link:hover {
  color: var(--color-gold);
}

.page-da-ga__cta-center {
  text-align: center;
  margin-top: 40px;
}

/* HERO Section */
.page-da-ga__hero-section {
  position: relative;
  padding-top: 10px; /* Small top padding, body handles header offset */
  margin-bottom: 50px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  overflow: hidden;
}

.page-da-ga__hero-image-container {
  width: 100%;
  max-height: 600px;
  overflow: hidden;
  position: relative;
}

.page-da-ga__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: brightness(0.7);
}

.page-da-ga__hero-content {
  position: relative;
  z-index: 2;
  padding: 40px 20px;
  max-width: 900px;
}

.page-da-ga__hero-title {
  font-size: clamp(2.5em, 5vw, 3.8em);
  color: var(--color-gold);
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.page-da-ga__hero-description {
  font-size: 1.2em;
  color: var(--color-text-main);
  margin-bottom: 30px;
  line-height: 1.7;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-da-ga__hero-cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
}

/* Intro Section */
.page-da-ga__intro-section {
  padding: 60px 0;
  margin-bottom: 50px;
  background-color: var(--color-deep-navy);
  border-bottom: 1px solid var(--color-divider);
}

/* Features Section */
.page-da-ga__features-section {
  padding: 60px 0;
  margin-bottom: 50px;
}

.page-da-ga__feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.page-da-ga__feature-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 15px;
}

/* Bet Types Section */
.page-da-ga__bet-types-section {
  padding: 60px 0;
  margin-bottom: 50px;
  background-color: var(--color-card-bg);
}

.page-da-ga__bet-type-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
  margin-top: 30px;
}

/* Guide Section */
.page-da-ga__guide-section {
  padding: 60px 0;
  margin-bottom: 50px;
}

.page-da-ga__guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.page-da-ga__step-card {
  justify-content: flex-start;
  padding-bottom: 30px;
}

.page-da-ga__step-card .page-da-ga__card-title {
  font-size: 1.6em;
  color: var(--color-gold);
  margin-top: 0;
  margin-bottom: 15px;
}

.page-da-ga__step-card .page-da-ga__card-description {
  text-align: left;
  flex-grow: 1;
}

.page-da-ga__step-card .page-da-ga__btn-link {
  align-self: flex-start;
  margin-left: 0;
  margin-top: 20px;
}

/* Tips Section */
.page-da-ga__tips-section {
  padding: 60px 0;
  margin-bottom: 50px;
  background-color: var(--color-deep-navy);
  border-top: 1px solid var(--color-divider);
}

.page-da-ga__tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

/* Promo Section */
.page-da-ga__promo-section {
  padding: 60px 0;
  margin-bottom: 50px;
}

.page-da-ga__promo-cards {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
}

.page-da-ga__promo-card {
  flex: 1 1 45%;
  max-width: 500px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.page-da-ga__promo-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 15px;
}

/* FAQ Section */
.page-da-ga__faq-section {
  padding: 60px 0;
  background-color: var(--color-card-bg);
}

.page-da-ga__faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.page-da-ga__faq-item {
  background: var(--color-deep-navy);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-da-ga__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  font-size: 1.2em;
  font-weight: bold;
  color: var(--color-text-main);
  cursor: pointer;
  background-color: var(--color-primary);
  border-radius: 8px;
  list-style: none; /* For details/summary */
}

.page-da-ga__faq-question::-webkit-details-marker, /* Hide default marker for Chrome */
.page-da-ga__faq-question::marker { /* Hide default marker for Firefox */
  display: none;
}

.page-da-ga__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  color: var(--color-gold);
  margin-left: 15px;
}

.page-da-ga__faq-item[open] .page-da-ga__faq-question {
  background-color: var(--color-secondary);
}

.page-da-ga__faq-answer {
  padding: 0 20px 20px 20px;
  font-size: 1em;
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.page-da-ga__faq-item[open] .page-da-ga__faq-answer {
  max-height: 500px; /* Sufficiently large to show content */
  transition: max-height 0.5s ease-in;
}

.page-da-ga__faq-answer p {
  margin-top: 15px;
  margin-bottom: 15px;
  text-align: left;
}

.page-da-ga__faq-link {
  color: var(--color-glow);
  text-decoration: underline;
}

.page-da-ga__faq-link:hover {
  color: var(--color-gold);
}

/* General image styling */
.page-da-ga img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Mobile responsive styles */
@media (max-width: 1024px) {
  .page-da-ga__container {
    padding: 20px 30px;
  }

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

  .page-da-ga__hero-title {
    font-size: clamp(2em, 4.5vw, 3.2em);
  }

  .page-da-ga__hero-description {
    font-size: 1.1em;
  }

  .page-da-ga__feature-grid,
  .page-da-ga__bet-type-grid,
  .page-da-ga__guide-steps,
  .page-da-ga__tips-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }

  .page-da-ga__promo-card {
    flex: 1 1 100%;
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-da-ga__hero-section {
    padding-top: 10px !important;
    margin-bottom: 30px;
  }

  .page-da-ga__hero-image-container {
    max-height: 400px;
  }

  .page-da-ga__hero-content {
    padding: 30px 15px;
  }

  .page-da-ga__hero-title {
    font-size: clamp(1.8em, 7vw, 2.5em) !important; /* Smaller for mobile */
    margin-bottom: 15px;
  }

  .page-da-ga__hero-description {
    font-size: 1em;
    margin-bottom: 20px;
  }

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

  /* 深色导语区 */
  .page-da-ga__intro-section {
    padding: 40px 0;
    margin-bottom: 30px;
  }

  .page-da-ga__section-title {
    font-size: 1.8em !important;
    margin-bottom: 25px;
    padding: 0 15px;
  }

  .page-da-ga__text-block {
    font-size: 0.95em;
    padding: 0 15px;
  }

  /* 博客网格 (Used for Feature Grid, Bet Type Grid, Guide Steps, Tips Grid) */
  .page-da-ga__feature-grid,
  .page-da-ga__bet-type-grid,
  .page-da-ga__guide-steps,
  .page-da-ga__tips-grid {
    grid-template-columns: 1fr !important; /* Single column for mobile */
    gap: 20px;
    padding: 0 15px;
  }

  .page-da-ga__promo-cards {
    flex-direction: column;
    gap: 20px;
    padding: 0 15px;
  }

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

  .page-da-ga__container,
  .page-da-ga__section,
  .page-da-ga__card,
  .page-da-ga__promo-card,
  .page-da-ga__feature-card,
  .page-da-ga__bet-type-card,
  .page-da-ga__step-card,
  .page-da-ga__tip-card {
    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-da-ga__btn-primary,
  .page-da-ga__btn-secondary,
  .page-da-ga__btn-link,
  .page-da-ga a[class*="button"],
  .page-da-ga 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;
    text-align: center;
  }

  .page-da-ga__hero-cta-buttons,
  .page-da-ga__cta-center {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-direction: column !important;
    gap: 15px;
  }

  /* FAQ 与其他模块 */
  .page-da-ga__faq-list {
    padding: 0 15px;
  }

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

  .page-da-ga__faq-toggle {
    font-size: 1.2em;
  }

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

  .page-da-ga__card {
    padding: 20px;
  }

  .page-da-ga__card-title {
    font-size: 1.3em;
  }

  .page-da-ga__card-description {
    font-size: 0.95em;
  }
}