/* Base styles for .page-register */
.page-register {
  font-family: 'Arial', sans-serif;
  color: #FFF5E1; /* Text Main - for dark body background #B71C1C */
  line-height: 1.6;
  background-color: transparent; /* Body background is handled by shared.css */
}

/* Hero Section */
.page-register__hero-section {
  position: relative;
  display: flex;
  flex-direction: column; /* Ensure image is above text in DOM order */
  align-items: center;
  text-align: center;
  padding-bottom: 40px;
  padding-top: 10px; /* Small top padding, body handles header offset */
  background-color: #7A0E0E; /* Deep Red for hero background */
}

.page-register__hero-image {
  width: 100%;
  max-width: 1920px;
  margin-bottom: 30px;
  overflow: hidden;
}

.page-register__hero-image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover; /* Default desktop behavior */
}

.page-register__hero-content {
  max-width: 900px;
  padding: 0 20px;
}

.page-register__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem); /* Responsive H1 font size */
  font-weight: 700;
  color: #FFCC66; /* Glow for main title */
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.page-register__hero-description {
  font-size: 1.15rem;
  margin-bottom: 30px;
  color: #FFF5E1;
}

/* CTA Buttons */
.page-register__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  box-sizing: border-box;
  padding: 0 15px;
}

.page-register__btn-primary,
.page-register__btn-secondary,
.page-register__btn-small,
.page-register__btn-large {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  min-width: 180px;
  max-width: 100%; /* Ensure buttons are responsive */
  box-sizing: border-box;
  white-space: normal; /* Allow text wrapping */
  word-wrap: break-word; /* Allow text wrapping */
}

.page-register__btn-primary {
  background: linear-gradient(180deg, #FFD86A 0%, #E6B800 100%); /* Button Gold */
  color: #333333; /* Dark text for light gold button */
  border: none;
}

.page-register__btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
  filter: brightness(1.1);
}

.page-register__btn-secondary {
  background: #FFF5E1; /* Text Main as background */
  color: #C91F17; /* Primary brand color for text */
  border: 2px solid #C91F17;
}

.page-register__btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
  background: #f0f0f0;
}

.page-register__btn-small {
  padding: 10px 20px;
  font-size: 0.95rem;
  background: linear-gradient(180deg, #FFD86A 0%, #E6B800 100%);
  color: #333333;
  border: none;
  margin-top: 15px;
}
.page-register__btn-small:hover {
  transform: translateY(-1px);
  filter: brightness(1.1);
}

.page-register__btn-large {
  padding: 18px 35px;
  font-size: 1.2rem;
}

/* General Sections */
.page-register__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  box-sizing: border-box;
}

.page-register__section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: #FFCC66; /* Glow for section titles */
  text-align: center;
  margin-bottom: 40px;
  line-height: 1.3;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

.page-register__text-block {
  font-size: 1.05rem;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 30px auto;
  color: #FFF5E1;
}

/* Why Section */
.page-register__why-section {
  background-color: #B71C1C; /* Background Red */
  padding: 60px 0;
}

.page-register__feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-register__feature-card.page-register__card {
  background-color: #D32F2F; /* Card BG */
  border: 1px solid #7A0E0E; /* Deep Red border */
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: #FFF5E1; /* Text Main for card content */
}

.page-register__feature-card.page-register__card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.6);
}

.page-register__card-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: #F4D34D; /* Gold for card titles */
  margin-bottom: 15px;
  line-height: 1.4;
}

.page-register__feature-card.page-register__card p {
  font-size: 1rem;
  margin-bottom: 20px;
  color: #FFF5E1;
}

.page-register__feature-card.page-register__card img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-top: 20px;
  display: block;
}

/* Steps Section */
.page-register__steps-section {
  background-color: #7A0E0E; /* Deep Red */
  padding: 60px 0;
}

.page-register__steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-register__step-item.page-register__card {
  background-color: #D32F2F; /* Card BG */
  border: 1px solid #7A0E0E; /* Deep Red border */
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
  color: #FFF5E1; /* Text Main for step content */
}

.page-register__step-icon {
  width: 60px;
  height: 60px;
  background-color: #F4D34D; /* Gold */
  color: #333333;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  margin: 0 auto 20px auto;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.page-register__step-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: #FFCC66; /* Glow for step titles */
  margin-bottom: 15px;
  line-height: 1.4;
}

.page-register__step-item.page-register__card p {
  font-size: 1rem;
  color: #FFF5E1;
}

/* Important Notes Section */
.page-register__important-notes {
  background-color: #B71C1C; /* Background Red */
  padding: 60px 0;
}

.page-register__notes-list {
  list-style: none;
  padding: 0;
  margin-top: 40px;
}

.page-register__notes-list li {
  background-color: #D32F2F; /* Card BG */
  border: 1px solid #7A0E0E; /* Deep Red border */
  border-radius: 10px;
  padding: 25px;
  margin-bottom: 20px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  color: #FFF5E1;
}

.page-register__list-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: #F4D34D; /* Gold for list titles */
  margin-bottom: 10px;
}

.page-register__notes-list li p {
  font-size: 1rem;
  color: #FFF5E1;
}

.page-register__notes-list li img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-top: 20px;
  display: block;
}

/* FAQ Section */
.page-register__faq-section {
  background-color: #7A0E0E; /* Deep Red */
  padding: 60px 0;
}

.page-register__faq-list {
  margin-top: 40px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

details.page-register__faq-item {
  margin-bottom: 15px;
  border-radius: 10px;
  border: 1px solid #7A0E0E; /* Deep Red border */
  overflow: hidden;
  background: #D32F2F; /* Card BG */
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  color: #FFF5E1;
}
details.page-register__faq-item summary.page-register__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;
  color: #FFCC66; /* Glow for FAQ question text */
}
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: #C91F17; /* Main brand color on hover */
}
.page-register__faq-qtext {
  flex: 1;
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #FFCC66; /* Glow for question text */
}
.page-register__faq-toggle {
  font-size: 2rem;
  font-weight: bold;
  color: #F4D34D; /* Gold for toggle icon */
  flex-shrink: 0;
  margin-left: 15px;
  width: 32px;
  text-align: center;
}
details.page-register__faq-item .page-register__faq-answer {
  padding: 0 25px 25px;
  background: #C91F17; /* Main brand color for answer background */
  border-radius: 0 0 10px 10px;
  color: #FFF5E1; /* Text Main for answer content */
}
.page-register__faq-answer p {
  font-size: 1rem;
  color: #FFF5E1;
}

/* Final CTA Section */
.page-register__final-cta {
  background-color: #B71C1C; /* Background Red */
  padding: 60px 0;
  text-align: center;
}

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

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-register__main-title {
    font-size: clamp(2.2rem, 5vw, 3rem);
  }
  .page-register__hero-description {
    font-size: 1.1rem;
  }
  .page-register__section-title {
    font-size: clamp(1.6rem, 4vw, 2.5rem);
  }
  .page-register__feature-card.page-register__card,
  .page-register__step-item.page-register__card {
    padding: 25px;
  }
  .page-register__card-title, .page-register__step-title {
    font-size: 1.3rem;
  }
  .page-register__faq-qtext {
    font-size: 1.1rem;
  }
  .page-register__btn-primary,
  .page-register__btn-secondary,
  .page-register__btn-small,
  .page-register__btn-large {
    padding: 12px 25px;
    font-size: 1rem;
    min-width: 160px;
  }
  .page-register__btn-large {
    padding: 15px 30px;
    font-size: 1.1rem;
  }
  .page-register__cta-buttons {
    gap: 15px;
  }
}

@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-register__hero-section {
    padding-bottom: 30px;
    padding-top: 10px; /* Still small top padding, body handles header offset */
  }
  .page-register__hero-image img {
    object-fit: contain !important; /* Mobile: prevent cropping */
    aspect-ratio: unset !important; /* Allow natural aspect ratio */
  }
  .page-register__main-title {
    font-size: clamp(2rem, 8vw, 2.8rem); /* Adjust clamp for mobile */
    margin-bottom: 15px;
  }
  .page-register__hero-description {
    font-size: 1rem;
    margin-bottom: 25px;
  }
  
  /* 通用图片与容器 */
  .page-register img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-register__container {
    padding: 30px 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-register__section-title {
    font-size: clamp(1.5rem, 6vw, 2.2rem);
    margin-bottom: 30px;
    padding: 0 10px; /* Small horizontal padding for title */
  }
  .page-register__text-block {
    font-size: 0.95rem;
    margin-bottom: 25px;
    padding: 0 10px;
  }

  /* 按钮与按钮容器 */
  .page-register__cta-buttons {
    flex-direction: column; /* Stack buttons vertically */
    gap: 15px;
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-register__btn-primary,
  .page-register__btn-secondary,
  .page-register__btn-small,
  .page-register__btn-large {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px !important;
    font-size: 1rem !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    box-sizing: border-box !important;
    min-width: unset; /* Remove min-width for full flexibility */
  }

  /* 产品展示图区域 (Feature Grid - behaves like product display) */
  .page-register__feature-grid {
    grid-template-columns: 1fr; /* Single column on mobile */
    gap: 20px;
    margin-top: 30px;
    overflow-x: hidden; /* Prevent horizontal scroll */
  }
  .page-register__feature-card.page-register__card,
  .page-register__step-item.page-register__card {
    padding: 20px;
  }
  .page-register__card-title, .page-register__step-title {
    font-size: 1.2rem;
  }
  .page-register__feature-card.page-register__card p,
  .page-register__step-item.page-register__card p {
    font-size: 0.9rem;
  }

  /* 装饰主标题 + 长文 SEO 区 (general section titles and text blocks) */
  /* Handled by .page-register__section-title and .page-register__text-block above */
  .page-register__notes-list {
    margin-top: 30px;
  }
  .page-register__notes-list li {
    padding: 20px;
    margin-bottom: 15px;
  }
  .page-register__list-title {
    font-size: 1.15rem;
  }
  .page-register__notes-list li p {
    font-size: 0.9rem;
  }

  /* FAQ */
  .page-register__faq-list {
    margin-top: 30px;
  }
  details.page-register__faq-item summary.page-register__faq-question {
    padding: 15px 20px;
  }
  .page-register__faq-qtext {
    font-size: 1rem;
  }
  .page-register__faq-toggle {
    font-size: 1.8rem;
    width: 28px;
  }
  details.page-register__faq-item .page-register__faq-answer {
    padding: 0 20px 20px;
  }
  .page-register__faq-answer p {
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .page-register__main-title {
    font-size: clamp(1.8rem, 9vw, 2.5rem);
  }
  .page-register__section-title {
    font-size: clamp(1.3rem, 7vw, 2rem);
  }
  .page-register__hero-description,
  .page-register__text-block {
    font-size: 0.9rem;
  }
  .page-register__btn-primary,
  .page-register__btn-secondary,
  .page-register__btn-small,
  .page-register__btn-large {
    font-size: 0.95rem !important;
  }
  .page-register__card-title, .page-register__step-title {
    font-size: 1.1rem;
  }
  .page-register__faq-qtext {
    font-size: 0.95rem;
  }
}