/* style/support.css */
/* body 已 padding-top: var(--header-offset)；页面禁止再写该变量 */
.page-support {
  color: #ffffff; /* Default text color for dark body background */
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background-color: transparent; /* Body background handled by shared.css */
}

.page-support__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 0 60px 0; /* Small top padding, more bottom padding */
  overflow: hidden;
}

.page-support__hero-image {
  width: 100%;
  height: auto;
  max-height: 675px; /* Adjust as needed for hero visual */
  object-fit: cover;
  display: block;
}

.page-support__hero-content {
  max-width: 1000px;
  width: 100%; /* Ensure width is 100% for flex item */
  margin-top: 40px;
  padding: 0 20px;
  text-align: center;
  box-sizing: border-box;
}

.page-support__main-title {
  font-weight: bold;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #26A9E0; /* Brand color for main title */
  margin-bottom: 20px;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
  font-size: clamp(2.2rem, 4vw, 3.5rem);
}

.page-support__hero-description {
  font-size: 1.1rem;
  margin-bottom: 30px;
  color: #f0f0f0; /* Slightly off-white for description */
}

.page-support__section {
  padding: 60px 0;
  background-color: rgba(255, 255, 255, 0.05); /* Slightly lighter background for sections */
  margin-bottom: 20px;
}

.page-support__section:nth-child(even) {
  background-color: rgba(255, 255, 255, 0.03);
}

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

.page-support__section-title {
  font-size: 2.5rem;
  color: #26A9E0;
  text-align: center;
  margin-bottom: 40px;
  font-weight: bold;
}

.page-support__sub-title {
  font-size: 1.8rem;
  color: #ffffff;
  margin-top: 30px;
  margin-bottom: 15px;
  font-weight: bold;
}

.page-support__text-block {
  font-size: 1rem;
  margin-bottom: 20px;
  color: #e0e0e0;
}

.page-support__image {
  width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 30px 0;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  display: block;
}

.page-support__btn-primary,
.page-support__btn-secondary {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  margin: 10px 5px;
  box-sizing: border-box;
  text-align: center;
}

.page-support__btn-primary {
  background-color: #26A9E0;
  color: #ffffff;
  border: 2px solid #26A9E0;
}

.page-support__btn-primary:hover {
  background-color: #1e87c0;
  border-color: #1e87c0;
}

.page-support__btn-secondary {
  background-color: transparent;
  color: #26A9E0;
  border: 2px solid #26A9E0;
}

.page-support__btn-secondary:hover {
  background-color: #26A9E0;
  color: #ffffff;
}

.page-support__btn-login {
  background-color: #EA7C07;
  color: #ffffff;
  border: 2px solid #EA7C07;
}

.page-support__btn-login:hover {
  background-color: #c96706;
  border-color: #c96706;
}

.page-support__btn-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 30px;
  gap: 15px;
}

.page-support__contact-list {
  list-style: none;
  padding-left: 0;
  margin-bottom: 30px;
}

.page-support__contact-item {
  background-color: rgba(255, 255, 255, 0.08);
  margin-bottom: 10px;
  padding: 15px 20px;
  border-radius: 5px;
  color: #f0f0f0;
  border-left: 3px solid #26A9E0;
}

/* FAQ styles */
.page-support__faq-section {
  padding: 60px 0;
  background-color: rgba(255, 255, 255, 0.05);
}

.page-support__faq-item {
  background-color: rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.page-support__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  cursor: pointer;
  font-weight: bold;
  font-size: 1.1rem;
  color: #ffffff;
  transition: background-color 0.3s ease;
  list-style: none;
}

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

.page-support__faq-question:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

.page-support__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  margin-left: 15px;
  color: #26A9E0;
}

.page-support__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 1rem;
  color: #e0e0e0;
  line-height: 1.7;
}

/* Details tag specific styles */
details.page-support__faq-item[open] > .page-support__faq-question {
  background-color: rgba(255, 255, 255, 0.15);
}

details.page-support__faq-item[open] > .page-support__faq-question .page-support__faq-toggle {
  content: '−';
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  .page-support__hero-section {
    padding: 10px 0 40px 0;
  }

  .page-support__main-title {
    font-size: clamp(1.8rem, 8vw, 2.5rem);
  }

  .page-support__hero-description {
    font-size: 0.95rem;
    padding: 0 15px;
  }

  .page-support__section-title {
    font-size: 2rem;
    margin-bottom: 30px;
  }

  .page-support__sub-title {
    font-size: 1.5rem;
  }

  .page-support__text-block,
  .page-support__contact-item,
  .page-support__faq-answer p {
    font-size: 0.95rem;
  }

  .page-support__container {
    padding: 0 15px;
  }

  .page-support__btn-primary,
  .page-support__btn-secondary,
  .page-support__btn-login,
  .page-support a[class*="button"],
  .page-support a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    margin: 8px 0 !important;
    padding: 12px 15px !important;
  }

  .page-support__btn-group {
    flex-direction: column;
    gap: 10px;
  }

  .page-support img {
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-support__section,
  .page-support__card,
  .page-support__container,
  .page-support__hero-section,
  .page-support__hero-content {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }

  .page-support__faq-question {
    padding: 15px 20px;
    font-size: 1rem;
  }
}