.page-support {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333333; /* Text Main */
  background-color: #F5F7FA; /* Background */
}

.page-support__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 10px; /* Small top padding, relying on body for header offset */
  padding-bottom: 60px;
  background-color: #F5F7FA;
}

.page-support__hero-image {
  width: 100%;
  max-width: 1920px;
  height: auto;
  object-fit: cover;
  margin-bottom: 30px;
}

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

.page-support__hero-title {
  font-size: 2.8em;
  font-weight: 700;
  color: #E53935; /* Main color for title */
  margin-bottom: 15px;
  line-height: 1.2;
}

.page-support__hero-description {
  font-size: 1.1em;
  margin-bottom: 30px;
  color: #333333;
}

.page-support__btn-primary,
.page-support__btn-secondary {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, transform 0.2s ease;
  cursor: pointer;
  max-width: 100%; /* Ensure button responsiveness */
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-support__btn-primary {
  background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
  color: #ffffff;
  border: none;
}

.page-support__btn-primary:hover {
  transform: translateY(-2px);
  opacity: 0.9;
}

.page-support__btn-secondary {
  background: #ffffff;
  color: #E53935;
  border: 2px solid #E53935;
}

.page-support__btn-secondary:hover {
  transform: translateY(-2px);
  background: #f0f0f0;
}

.page-support__section {
  padding: 60px 20px;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  box-sizing: border-box;
}

.page-support__section-title {
  font-size: 2.2em;
  color: #E53935;
  margin-bottom: 40px;
  font-weight: 700;
}

.page-support__why-choose-us {
  background-color: #ffffff; /* Card BG */
}

.page-support__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.page-support__feature-item {
  background-color: #F5F7FA;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  text-align: left;
}

.page-support__feature-title {
  font-size: 1.5em;
  color: #E53935;
  margin-bottom: 10px;
}

.page-support__feature-description {
  color: #333333;
}

.page-support__image-full {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 10px;
  margin-top: 30px;
}

.page-support__common-issues {
  background-color: #F5F7FA;
}

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

.page-support__issue-category {
  background-color: #ffffff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.page-support__category-title {
  font-size: 1.6em;
  color: #FF5A4F; /* Auxiliary color */
  margin-bottom: 20px;
}

.page-support__issue-list {
  list-style: none;
  padding: 0;
}

.page-support__issue-list li {
  margin-bottom: 10px;
  padding-left: 25px;
  position: relative;
  color: #333333;
}

.page-support__issue-list li::before {
  content: "•";
  color: #E53935;
  position: absolute;
  left: 0;
  font-weight: bold;
}

.page-support__faq-section {
  background-color: #ffffff;
}

.page-support__faq-container {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: flex-start;
  text-align: left;
}

.page-support__faq-image {
  flex: 1;
  min-width: 300px;
  max-width: 500px;
  height: auto;
  object-fit: contain;
  border-radius: 10px;
}

.page-support__faq-list {
  flex: 2;
  min-width: 400px;
}

.page-support__faq-item {
  margin-bottom: 15px;
  border: 1px solid #e0e0e0; /* Border */
  border-radius: 8px;
  overflow: hidden;
  background-color: #ffffff;
}

.page-support__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  background-color: #F5F7FA;
  color: #333333;
  font-weight: bold;
  cursor: pointer;
  user-select: none;
  list-style: none; /* For details/summary */
}

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

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

.page-support__faq-qtext {
  flex-grow: 1;
  color: #333333;
}

.page-support__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  color: #E53935;
  margin-left: 15px;
}

.page-support__faq-answer {
  padding: 15px 25px 20px;
  color: #333333;
  background-color: #ffffff;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.page-support__faq-item[open] .page-support__faq-answer {
  max-height: 500px; /* Sufficiently large for content */
  transition: max-height 0.5s ease-in;
}

/* For JS-controlled FAQ (if details/summary wasn't used) */
.page-support__faq-item.active .page-support__faq-answer {
  max-height: 2000px !important; /* For JS fallback */
}

.page-support__contact-us {
  background-color: #F5F7FA;
}

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

.page-support__contact-item {
  background-color: #ffffff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  text-align: left;
}

.page-support__contact-title {
  font-size: 1.5em;
  color: #E53935;
  margin-bottom: 10px;
}

.page-support__contact-description {
  color: #333333;
  margin-bottom: 20px;
}

.page-support__cta-bottom {
  background: linear-gradient(180deg, #E53935 0%, #FF5A4F 100%);
  color: #ffffff;
  padding: 80px 20px;
}

.page-support__cta-bottom .page-support__section-title {
  color: #ffffff;
  font-size: 2.5em;
}

.page-support__cta-bottom .page-support__description {
  font-size: 1.1em;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

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

/* --- Responsive Styles --- */

/* Tablet and Mobile */
@media (max-width: 1024px) {
  .page-support__hero-title {
    font-size: 2.2em;
  }
  .page-support__section-title {
    font-size: 1.8em;
  }
  .page-support__faq-container {
    flex-direction: column;
    align-items: center;
  }
  .page-support__faq-image,
  .page-support__faq-list {
    min-width: unset;
    max-width: 100%;
    width: 100%;
  }
}

/* Mobile specific styles */
@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-support__hero-section {
    padding-top: 10px !important; /* Small top padding */
    padding-bottom: 40px !important;
  }
  .page-support__hero-image {
    margin-bottom: 20px !important;
  }
  .page-support__hero-title {
    font-size: 1.8em !important;
  }
  .page-support__hero-description {
    font-size: 1em !important;
  }

  /* 通用图片与容器 */
  .page-support img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-support__section,
  .page-support__feature-item,
  .page-support__issue-category,
  .page-support__faq-item,
  .page-support__contact-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
  }
  
  /* 按钮与按钮容器 */
  .page-support__btn-primary,
  .page-support__btn-secondary,
  .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;
    padding-left: 15px !important;
    padding-right: 15px !important;
    margin-bottom: 15px; /* Add space between stacked buttons */
  }
  
  /* 按钮容器移动端适配 */
  .page-support__hero-content,
  .page-support__cta-bottom {
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

  /* 其他内容模块 */
  .page-support__section {
    padding: 40px 15px !important;
  }
  .page-support__section-title {
    font-size: 1.5em !important;
    margin-bottom: 30px !important;
  }
  .page-support__features-grid,
  .page-support__issues-grid,
  .page-support__contact-methods {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }
  .page-support__faq-list {
    padding: 0 15px !important;
  }
  .page-support__cta-bottom .page-support__section-title {
    font-size: 2em !important;
  }
  .page-support__cta-bottom .page-support__description {
    font-size: 1em !important;
  }
}