.page-register {
  --primary-color: #F2C14E;
  --secondary-color: #FFD36B;
  --background-dark: #0A0A0A;
  --background-card: #111111;
  --text-main: #FFF6D6;
  --border-color: #3A2A12;
  --glow-color: #FFD36B;
  --button-gradient: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%);
  color: var(--text-main); /* Default text color for dark background */
  background-color: var(--background-dark); /* Ensure body default matches shared */
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

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

.page-register__section-title {
  font-size: 2.8em;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
  letter-spacing: 0.05em;
}

.page-register__section-description {
  font-size: 1.1em;
  color: var(--text-main);
  text-align: center;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-register__cta-button {
  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;
  cursor: pointer;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-register__btn-primary {
  background: var(--button-gradient);
  color: #000000; /* Ensure high contrast with gradient */
  border: none;
  box-shadow: 0 4px 15px rgba(242, 193, 78, 0.4);
}

.page-register__btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(242, 193, 78, 0.6);
}

.page-register__btn-secondary {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.page-register__btn-secondary:hover {
  background: var(--primary-color);
  color: var(--background-dark);
}

.page-register__dark-bg {
  background-color: var(--background-dark);
  color: var(--text-main);
}

.page-register__light-bg {
  background-color: #1a1a1a; /* Slightly lighter dark for contrast */
  color: var(--text-main);
}

/* Hero Section */
.page-register__hero-section {
  display: flex;
  flex-direction: column; /* Force column for '上图下文' rule */
  align-items: center;
  padding-top: 10px; /* Small top padding */
  padding-bottom: 60px;
  text-align: center;
  overflow: hidden;
  position: relative;
}

.page-register__hero-content {
  z-index: 2;
  max-width: 900px;
  padding: 20px;
}

.page-register__hero-title {
  font-weight: bold;
  line-height: 1.2;
  letter-spacing: 0.05em;
  color: var(--primary-color);
  margin-bottom: 20px;
  font-size: clamp(2.5rem, 5vw, 3.5rem); /* Using clamp for H1 */
}

.page-register__hero-description {
  font-size: 1.2em;
  margin-bottom: 30px;
  color: var(--text-main);
}

.page-register__hero-image-wrapper {
  width: 100%;
  max-width: 100%;
  margin-top: 40px;
  box-sizing: border-box;
  overflow: hidden;
}

.page-register__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover; /* Default for desktop */
  border-radius: 10px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

/* Why Join Section */
.page-register__why-join-section {
  padding: 80px 20px;
}

.page-register__benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
  margin-bottom: 40px;
}

.page-register__benefit-card {
  background-color: var(--background-card);
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
}

.page-register__benefit-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5), 0 0 15px var(--glow-color);
}

.page-register__benefit-icon {
  width: 100px;
  height: 100px;
  object-fit: contain;
  margin-bottom: 20px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.page-register__benefit-title {
  font-size: 1.5em;
  color: var(--primary-color);
  margin-bottom: 15px;
  font-weight: bold;
}

.page-register__benefit-text {
  font-size: 1em;
  color: var(--text-main);
}

.page-register__content-image {
  width: 100%;
  height: auto;
  display: block;
  margin-top: 50px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  object-fit: cover;
}

/* Guide Section */
.page-register__guide-section {
  padding: 80px 20px;
}

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

.page-register__step-card {
  background-color: var(--background-card);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
}

.page-register__step-number {
  font-size: 2.5em;
  font-weight: bold;
  color: var(--secondary-color);
  margin-bottom: 15px;
}

.page-register__step-title {
  font-size: 1.6em;
  color: var(--primary-color);
  margin-bottom: 10px;
  font-weight: bold;
}

.page-register__step-text {
  font-size: 1em;
  color: var(--text-main);
}

/* Promotions Section */
.page-register__promotions-section {
  padding: 80px 20px;
}

.page-register__promo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-register__promo-card {
  background-color: var(--background-card);
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.page-register__promo-image {
  width: 100%;
  height: 250px; /* Fixed height for consistency */
  object-fit: cover;
  display: block;
}

.page-register__promo-card .page-register__promo-title {
  font-size: 1.6em;
  color: var(--primary-color);
  margin: 20px 20px 10px 20px;
  font-weight: bold;
}

.page-register__promo-card .page-register__promo-text {
  font-size: 1em;
  color: var(--text-main);
  padding: 0 20px 20px 20px;
}

.page-register__button-group {
  text-align: center;
  margin-top: 50px;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  box-sizing: border-box;
}

/* Security Section */
.page-register__security-section {
  padding: 80px 20px;
}

.page-register__security-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-register__feature-item {
  background-color: var(--background-card);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
}

.page-register__feature-title {
  font-size: 1.5em;
  color: var(--primary-color);
  margin-bottom: 10px;
  font-weight: bold;
}

.page-register__feature-text {
  font-size: 1em;
  color: var(--text-main);
}

/* FAQ Section */
.page-register__faq-section {
  padding: 80px 20px;
}

.page-register__faq-list {
  margin-top: 40px;
}

.page-register__faq-item {
  background-color: var(--background-card);
  border-radius: 12px;
  margin-bottom: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.page-register__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2em;
  font-weight: bold;
  color: var(--text-main);
  cursor: pointer;
  background-color: #1a1a1a; /* Slightly lighter card header */
  border-bottom: 1px solid var(--border-color);
  list-style: none; /* For details/summary */
}

.page-register__faq-question::-webkit-details-marker {
  display: none;
}

.page-register__faq-qtext {
  flex-grow: 1;
  color: var(--primary-color);
}

.page-register__faq-toggle {
  font-size: 1.5em;
  margin-left: 15px;
  color: var(--secondary-color);
}

.page-register__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 1em;
  color: var(--text-main);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.page-register__faq-item[open] .page-register__faq-answer {
  max-height: 500px; /* Adjust as needed */
  transition: max-height 0.5s ease-in;
}

/* CTA Bottom Section */
.page-register__cta-bottom-section {
  padding: 80px 20px;
  text-align: center;
}

.page-register__cta-bottom-section .page-register__cta-button {
  margin-top: 40px;
}

/* Universal Image CSS */
.page-register img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
  .page-register__container {
    padding-left: 15px;
    padding-right: 15px;
  }

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

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

  /* Hero Section */
  .page-register__hero-section {
    padding-top: 10px !important; /* Ensure small padding, not header offset */
    padding-bottom: 40px;
  }
  
  .page-register__hero-title {
    font-size: clamp(2rem, 8vw, 2.5rem);
  }

  .page-register__hero-description {
    font-size: 1em;
  }

  .page-register__hero-image {
    object-fit: contain !important; /* Mobile hero image should contain, not cover */
    aspect-ratio: unset !important; /* Remove aspect ratio */
    max-height: none !important;
  }

  .page-register__hero-image-wrapper {
    padding-left: 15px;
    padding-right: 15px;
  }

  /* Benefits Grid */
  .page-register__benefits-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-register__benefit-card {
    padding: 20px;
  }

  .page-register__benefit-icon {
    width: 80px;
    height: 80px;
  }

  /* Steps Grid */
  .page-register__steps-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-register__step-card {
    padding: 20px;
  }

  /* Promo Grid */
  .page-register__promo-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-register__promo-image {
    height: 200px;
  }

  .page-register__promo-card .page-register__promo-title,
  .page-register__promo-card .page-register__promo-text {
    padding-left: 15px;
    padding-right: 15px;
  }

  /* Security Grid */
  .page-register__security-features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-register__feature-item {
    padding: 20px;
  }

  /* FAQ Section */
  .page-register__faq-question {
    padding: 15px 20px;
    font-size: 1.1em;
  }

  .page-register__faq-answer {
    padding: 0 20px 15px 20px;
  }

  /* Universal Image and Container Mobile */
  .page-register img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  
  .page-register__section,
  .page-register__card,
  .page-register__container,
  .page-register__hero-section,
  .page-register__why-join-section,
  .page-register__guide-section,
  .page-register__promotions-section,
  .page-register__security-section,
  .page-register__faq-section,
  .page-register__cta-bottom-section {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* Button Mobile */
  .page-register__cta-button,
  .page-register__btn-primary,
  .page-register__btn-secondary,
  .page-register a[class*="button"],
  .page-register 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;
    margin-left: auto;
    margin-right: auto;
  }

  .page-register__button-group {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
    display: flex;
    flex-direction: column; /* Ensure vertical stacking for multiple buttons */
  }
}