/* style/register.css */
:root {
  --primary-color: #FFD700; /* Gold */
  --secondary-color: #8B0000; /* Dark Red */
  --text-dark: #333333;
  --text-light: #ffffff;
  --bg-light: #ffffff;
  --bg-dark: #1a1a1a;
  --border-color: #e0e0e0;
}

.page-register {
  font-family: 'Arial', sans-serif;
  color: var(--text-dark); /* Default text color for light body background */
  background-color: var(--bg-light); /* Assuming default light background */
  line-height: 1.6;
}

/* Hero Section */
.page-register__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  padding-top: var(--header-offset, 120px); /* Ensure space for fixed header */
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: var(--text-light);
  overflow: hidden; /* Prevent content overflow */
}

.page-register__hero-container {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.page-register__hero-image {
  width: 100%;
  margin-bottom: 30px;
  max-width: 800px; /* Limit image width in hero for better composition */
}

.page-register__hero-image img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-register__hero-content {
  text-align: center;
  width: 100%;
}

.page-register__hero-title {
  font-size: 3.5em;
  margin-bottom: 20px;
  font-weight: bold;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  line-height: 1.2;
  color: var(--text-light); /* High contrast */
}

.page-register__hero-description {
  font-size: 1.3em;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: var(--text-light); /* High contrast */
}

.page-register__cta-button {
  display: inline-block;
  padding: 18px 45px;
  background: var(--primary-color);
  color: var(--text-light);
  text-decoration: none;
  border-radius: 8px;
  font-size: 1.5em;
  font-weight: bold;
  margin-top: 20px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  border: 2px solid var(--text-light);
}

.page-register__cta-button:hover {
  background: var(--secondary-color);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  border-color: var(--primary-color);
}

/* General Section Styling */
.page-register__section {
  padding: 80px 20px;
  text-align: center;
  overflow: hidden;
}

.page-register__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
  box-sizing: border-box;
}

.page-register__section-title {
  font-size: 2.8em;
  margin-bottom: 25px;
  color: var(--secondary-color);
  font-weight: bold;
  line-height: 1.3;
}

.page-register__section-intro {
  font-size: 1.1em;
  max-width: 900px;
  margin: 0 auto 50px auto;
  color: var(--text-dark);
}

/* Why Join Section */
.page-register__why-join {
  background-color: var(--bg-light);
}

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

.page-register__feature-item {
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  min-height: 250px; /* Ensure sufficient height for content */
  display: flex;
  flex-direction: column;
}

.page-register__feature-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

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

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

.page-register__cta-area {
  margin-top: 60px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.page-register__btn-primary,
.page-register__btn-secondary {
  display: inline-block;
  padding: 15px 35px;
  text-decoration: none;
  border-radius: 8px;
  font-size: 1.2em;
  font-weight: bold;
  transition: all 0.3s ease;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

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

.page-register__btn-primary:hover {
  background: var(--secondary-color);
  border-color: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

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

.page-register__btn-secondary:hover {
  background: var(--secondary-color);
  color: var(--text-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Registration Guide Section */
.page-register__guide {
  background-color: #f8f8f8;
}

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

.page-register__step-item {
  background: var(--bg-light);
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  text-align: center;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 280px; /* Ensure consistent height */
}

.page-register__step-icon {
  width: 60px;
  height: 60px;
  background: var(--primary-color);
  color: var(--text-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2em;
  font-weight: bold;
  margin-bottom: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-register__step-title {
  font-size: 1.4em;
  color: var(--secondary-color);
  margin-bottom: 10px;
  font-weight: bold;
}

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

.page-register__guide-image {
  margin-top: 60px;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.page-register__guide-image img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  object-fit: cover;
  min-width: 200px; /* Min size constraint */
  min-height: 200px; /* Min size constraint */
}

/* Promotions Section */
.page-register__promotions {
  background-color: var(--bg-light);
}

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

.page-register__promo-card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  min-height: 250px; /* Ensure consistent height for cards */
  display: flex;
  flex-direction: column;
}

.page-register__promo-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-register__promo-title {
  font-size: 1.4em;
  color: var(--primary-color);
  margin-bottom: 15px;
  font-weight: bold;
}

.page-register__promo-text {
  font-size: 1em;
  color: var(--text-dark);
  flex-grow: 1;
  margin-bottom: 20px;
}

.page-register__promo-link {
  display: inline-block;
  color: var(--secondary-color);
  text-decoration: none;
  font-weight: bold;
  margin-top: auto; /* Push to bottom */
  transition: color 0.3s ease;
}

.page-register__promo-link:hover {
  color: var(--primary-color);
  text-decoration: underline;
}

.page-register__promo-image {
  margin-top: 60px;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.page-register__promo-image img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  object-fit: cover;
  min-width: 200px; /* Min size constraint */
  min-height: 200px; /* Min size constraint */
}

/* Security Section */
.page-register__security {
  background-color: #f8f8f8;
}

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

.page-register__security-item {
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  min-height: 220px; /* Consistent height */
}

.page-register__security-title {
  font-size: 1.4em;
  color: var(--secondary-color);
  margin-bottom: 15px;
  font-weight: bold;
}

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

.page-register__security-image {
  margin-top: 60px;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.page-register__security-image img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  object-fit: cover;
  min-width: 200px; /* Min size constraint */
  min-height: 200px; /* Min size constraint */
}

/* FAQ Section */
.page-register__faq {
  background-color: var(--bg-light);
  padding-bottom: 80px;
}

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

/* FAQ容器样式 */
.page-register__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

/* FAQ默认状态 - 答案隐藏 */
.page-register__faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
  padding: 0 20px; /* Adjusted padding for desktop */
  opacity: 0;
  color: var(--text-dark);
  background: #f9f9f9; /* Light background for answer */
}

/* FAQ展开状态 - 🚨 使用!important和足够大的max-height确保一定能展开 */
.page-register__faq-item.active .page-register__faq-answer {
  max-height: 2000px !important; /* 🚨 使用!important确保优先级，值足够大以容纳任何内容 */
  padding: 20px !important; /* Adjusted padding for desktop */
  opacity: 1;
  background: #f9f9f9;
  border-radius: 0 0 8px 8px;
}

/* 问题样式 */
.page-register__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  position: relative;
}

.page-register__faq-item.active .page-register__faq-question {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
  border-color: var(--primary-color); /* Highlight active question */
}

.page-register__faq-question:hover {
  background: #f5f5f5;
  border-color: #d0d0d0;
}

.page-register__faq-question:active {
  background: #eeeeee;
}

/* 问题标题样式 */
.page-register__faq-question h3 {
  margin: 0;
  padding: 0;
  flex: 1;
  font-size: 1.15em;
  font-weight: 600;
  line-height: 1.5;
  pointer-events: none; /* 防止h3标签阻止点击事件 */
  color: var(--secondary-color);
}

/* 切换图标 */
.page-register__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  line-height: 1;
  color: var(--primary-color);
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
  margin-left: 15px;
  pointer-events: none; /* 防止图标阻止点击事件 */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
}

.page-register__faq-item.active .page-register__faq-toggle {
  color: var(--secondary-color);
  transform: rotate(45deg); /* Rotate for 'x' effect, or simply change to '-' */
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-register__hero-title {
    font-size: 3em;
  }
  .page-register__hero-description {
    font-size: 1.2em;
  }
  .page-register__cta-button {
    font-size: 1.3em;
    padding: 15px 40px;
  }
  .page-register__section-title {
    font-size: 2.2em;
  }
  .page-register__btn-primary,
  .page-register__btn-secondary {
    font-size: 1.1em;
    padding: 12px 30px;
  }
}

@media (max-width: 768px) {
  .page-register__hero-section {
    padding-top: var(--header-offset, 120px) !important; /* Mobile padding-top */
    padding-bottom: 40px;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-register__hero-image {
    margin-bottom: 20px;
  }
  .page-register__hero-image img {
    border-radius: 8px;
  }
  .page-register__hero-title {
    font-size: 2.2em;
    margin-bottom: 15px;
  }
  .page-register__hero-description {
    font-size: 1em;
    margin-bottom: 30px;
  }
  .page-register__cta-button {
    font-size: 1.2em;
    padding: 12px 30px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-register__section {
    padding: 50px 15px;
  }
  .page-register__container {
    padding: 0; /* Container handles padding on mobile */
  }
  .page-register__section-title {
    font-size: 1.8em;
    margin-bottom: 20px;
  }
  .page-register__section-intro {
    font-size: 0.95em;
    margin-bottom: 30px;
  }

  .page-register__feature-grid,
  .page-register__guide-steps,
  .page-register__promo-grid,
  .page-register__security-features {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-register__feature-item,
  .page-register__step-item,
  .page-register__promo-card,
  .page-register__security-item {
    padding: 20px;
    min-height: auto;
  }

  .page-register__feature-title,
  .page-register__step-title,
  .page-register__promo-title,
  .page-register__security-title {
    font-size: 1.2em;
  }

  .page-register__cta-area {
    flex-direction: column;
    gap: 15px;
  }

  .page-register__btn-primary,
  .page-register__btn-secondary {
    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-register img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    min-width: 200px; /* Min size constraint */
    min-height: 200px; /* Min size constraint */
  }
  .page-register__guide-image img,
  .page-register__promo-image img,
  .page-register__security-image img {
    border-radius: 8px;
  }

  /* FAQ Mobile */
  .page-register__faq-question {
    padding: 15px;
    flex-wrap: wrap;
    border-radius: 8px;
  }
  
  .page-register__faq-question h3 {
    font-size: 1em;
    width: calc(100% - 40px); /* Adjust width for toggle */
    margin-bottom: 0;
  }
  
  .page-register__faq-toggle {
    margin-left: 10px;
    width: 24px;
    height: 24px;
    font-size: 20px;
  }
  
  .page-register__faq-answer {
    padding: 0 15px;
  }
  
  .page-register__faq-item.active .page-register__faq-answer {
    padding: 15px !important;
  }
  .page-register__faq-item.active .page-register__faq-question {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
  }
}