/* Base styles for the register page */
.page-register {
  font-family: 'Arial', sans-serif;
  color: #FFF3E6; /* Text Main */
  background-color: #0D0E12; /* Background */
  line-height: 1.6;
}

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

.page-register__section {
  padding: 60px 0;
  text-align: center;
}

.page-register__dark-bg {
  background-color: #0D0E12;
  color: #FFF3E6;
}

.page-register__light-bg {
  background-color: #17191F; /* Card BG, used for contrast */
  color: #FFF3E6;
}

.page-register__section-title {
  font-size: clamp(28px, 4vw, 38px);
  color: #FFB04D; /* Glow */
  margin-bottom: 40px;
  font-weight: 700;
  line-height: 1.2;
}

.page-register__content-area {
  max-width: 900px;
  margin: 0 auto;
  text-align: left;
}

.page-register__text-block p {
  margin-bottom: 20px;
  font-size: 17px;
  color: #FFF3E6;
}

.page-register__text-link {
  color: #FFA53A;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.page-register__text-link:hover {
  color: #FF8C1A;
  text-decoration: underline;
}

/* Hero Section */
.page-register__hero-section {
  position: relative;
  padding-top: 10px; /* Small top padding, assuming shared.css handles body padding-top */
  padding-bottom: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.page-register__hero-image-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

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

.page-register__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  text-align: center;
  padding: 20px;
}

.page-register__main-title {
  font-size: clamp(36px, 5vw, 56px);
  color: #FFB04D; /* Glow */
  margin-bottom: 20px;
  font-weight: 800;
  line-height: 1.1;
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7);
}

.page-register__hero-description {
  font-size: clamp(16px, 2vw, 20px);
  color: #FFF3E6;
  margin-bottom: 40px;
  line-height: 1.5;
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
}

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

.page-register__btn-primary,
.page-register__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 18px;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: normal;
  word-wrap: break-word;
  box-sizing: border-box;
}

.page-register__btn-primary {
  background: linear-gradient(180deg, #FFA53A 0%, #D96800 100%); /* Button color */
  color: #FFF3E6;
  border: none;
  box-shadow: 0 4px 15px rgba(255, 132, 0, 0.4);
}

.page-register__btn-primary:hover {
  background: linear-gradient(180deg, #FFB04D 0%, #E67800 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 132, 0, 0.6);
}

.page-register__btn-secondary {
  background: transparent;
  color: #FFA53A;
  border: 2px solid #FFA53A;
}

.page-register__btn-secondary:hover {
  background: #FFA53A;
  color: #0D0E12;
  transform: translateY(-2px);
}

/* Introduction Section */
.page-register__introduction p {
  text-align: justify;
}

/* Guide Section */
.page-register__guide-list {
  list-style: none;
  padding: 0;
  margin-top: 40px;
}

.page-register__guide-item {
  background-color: #17191F; /* Card BG */
  border: 1px solid #A84F0C; /* Border */
  border-radius: 10px;
  padding: 30px;
  margin-bottom: 30px;
  text-align: left;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  position: relative;
  overflow: hidden;
}

.page-register__guide-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, #FFA53A, #FF8C1A);
}

.page-register__guide-step-title {
  font-size: 24px;
  color: #FFB04D; /* Glow */
  margin-bottom: 15px;
  font-weight: 700;
}

.page-register__guide-image {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 20px auto 0;
  border-radius: 8px;
  border: 1px solid #A84F0C;
}

.page-register__btn-block {
  display: block;
  width: fit-content;
  margin: 40px auto 0;
}

/* Requirements Section */
.page-register__requirements-list {
  list-style: none;
  padding: 0;
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.page-register__requirements-item {
  background-color: #0D0E12;
  border: 1px solid #A84F0C;
  border-radius: 10px;
  padding: 25px;
  text-align: left;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.page-register__requirements-subtitle {
  font-size: 20px;
  color: #FFA53A;
  margin-bottom: 10px;
  font-weight: 600;
}

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

.page-register__promotion-card {
  background-color: #17191F; /* Card BG */
  border: 1px solid #A84F0C;
  border-radius: 10px;
  padding: 25px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-register__promotion-image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  border: 1px solid #A84F0C;
  object-fit: cover;
}

.page-register__promotion-title {
  font-size: 22px;
  color: #FFB04D; /* Glow */
  margin-bottom: 15px;
  font-weight: 700;
}

.page-register__promotion-description {
  font-size: 16px;
  color: #FFF3E6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-register__promotion-cta {
  margin-top: 40px;
  font-size: 18px;
  color: #FFF3E6;
}

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

.page-register__feature-item {
  background-color: #0D0E12;
  border: 1px solid #A84F0C;
  border-radius: 10px;
  padding: 25px;
  text-align: center;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.page-register__feature-icon {
  max-width: 100%;
  height: auto;
  margin-bottom: 20px;
  border-radius: 8px;
  border: 1px solid #A84F0C;
  object-fit: cover;
}

.page-register__feature-title {
  font-size: 20px;
  color: #FFA53A;
  margin-bottom: 10px;
  font-weight: 600;
}

/* FAQ Section */
details.page-register__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid #A84F0C; /* Border */
  overflow: hidden;
  background: #17191F; /* Card BG */
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}
details.page-register__faq-item summary.page-register__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
  color: #FFF3E6;
}
details.page-register__faq-item summary.page-register__faq-question::-webkit-details-marker {
  display: none;
}
details.page-register__faq-item summary.page-register__faq-question:hover {
  background: rgba(255, 165, 58, 0.1);
}
.page-register__faq-qtext {
  flex: 1;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #FFB04D; /* Glow */
}
.page-register__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #FFA53A;
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}
details.page-register__faq-item .page-register__faq-answer {
  padding: 0 20px 20px;
  background: #0D0E12;
  border-radius: 0 0 5px 5px;
  text-align: left;
  color: #FFF3E6;
}

/* Bottom CTA Section */
.page-register__cta-bottom {
  padding: 80px 0;
}

.page-register__cta-flex {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.page-register__cta-title {
  font-size: clamp(28px, 4vw, 42px);
  color: #FFB04D; /* Glow */
  margin-bottom: 0;
}

.page-register__cta-description {
  font-size: 18px;
  color: #FFF3E6;
  max-width: 700px;
}

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

/* Responsive styles */
@media (max-width: 1024px) {
  .page-register__hero-content {
    padding: 15px;
  }

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

  .page-register__hero-description {
    font-size: clamp(15px, 1.8vw, 18px);
  }

  .page-register__section {
    padding: 50px 0;
  }

  .page-register__section-title {
    font-size: clamp(26px, 3.5vw, 34px);
  }

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

  .page-register__btn-primary,
  .page-register__btn-secondary {
    padding: 12px 25px;
    font-size: 16px;
  }

  .page-register__guide-item,
  .page-register__requirements-item,
  .page-register__promotion-card,
  .page-register__feature-item {
    padding: 25px;
  }

  .page-register__guide-step-title,
  .page-register__requirements-subtitle,
  .page-register__promotion-title,
  .page-register__feature-title {
    font-size: 20px;
  }

  details.page-register__faq-item summary.page-register__faq-question {
    padding: 15px 18px;
  }

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

  .page-register__faq-toggle {
    font-size: 22px;
    width: 26px;
  }

  details.page-register__faq-item .page-register__faq-answer {
    padding: 0 18px 18px;
  }
}

@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-register__hero-section {
    padding-top: 10px; /* Small top padding, not --header-offset */
    padding-bottom: 60px;
  }
  .page-register__hero-image {
    object-fit: contain !important; /* Prevent cropping on mobile */
    aspect-ratio: unset !important;
    height: 300px; /* Fixed height for mobile hero to avoid excessive height */
    opacity: 0.2;
  }
  .page-register__hero-image-wrapper {
    height: 300px; /* Match image height */
  }
  .page-register__main-title {
    font-size: clamp(28px, 8vw, 40px);
    margin-bottom: 15px;
  }
  .page-register__hero-description {
    font-size: 15px;
    margin-bottom: 30px;
  }
  .page-register__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }
  .page-register__btn-primary,
  .page-register__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    padding: 12px 15px;
    font-size: 16px;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  /* 通用图片与容器 */
  .page-register img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    object-fit: contain !important; /* Ensure content images are not cropped */
  }
  .page-register__container,
  .page-register__content-area,
  .page-register__text-block,
  .page-register__promotion-card,
  .page-register__feature-item,
  .page-register__guide-item,
  .page-register__requirements-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* 装饰主标题 + 长文 SEO 区 */
  .page-register__section-title {
    font-size: clamp(24px, 7vw, 30px);
    margin-bottom: 30px;
  }
  .page-register__content-area {
    text-align: left; /* Keep text aligned left for readability */
  }
  .page-register__text-block p {
    font-size: 16px;
  }

  /* Guide Section */
  .page-register__guide-item {
    padding: 20px;
  }
  .page-register__guide-step-title {
    font-size: 20px;
  }
  .page-register__btn-block {
    width: 100%;
  }

  /* Requirements Section */
  .page-register__requirements-list {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-register__requirements-item {
    padding: 20px;
  }
  .page-register__requirements-subtitle {
    font-size: 18px;
  }

  /* Promotions Section */
  .page-register__promotions-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-register__promotion-card {
    padding: 20px;
  }
  .page-register__promotion-title {
    font-size: 20px;
  }
  .page-register__promotion-description {
    font-size: 15px;
  }
  .page-register__promotion-cta {
    font-size: 16px;
  }

  /* Security Section */
  .page-register__security-features {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-register__feature-item {
    padding: 20px;
  }
  .page-register__feature-title {
    font-size: 18px;
  }

  /* FAQ Section */
  details.page-register__faq-item summary.page-register__faq-question {
    padding: 15px;
  }
  .page-register__faq-qtext {
    font-size: 15px;
  }
  .page-register__faq-toggle {
    font-size: 20px;
    width: 24px;
    margin-left: 10px;
  }
  details.page-register__faq-item .page-register__faq-answer {
    padding: 0 15px 15px;
  }

  /* Bottom CTA Section */
  .page-register__cta-bottom {
    padding: 50px 0;
  }
  .page-register__cta-title {
    font-size: clamp(24px, 7vw, 36px);
  }
  .page-register__cta-description {
    font-size: 16px;
  }
  .page-register__cta-flex > .page-register__btn-primary {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding: 15px;
  }
}