/* Base styles for the support page */
.page-support {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-main); /* Default text color for the page */
  background-color: var(--color-deep-navy); /* Body background from shared.css */
}

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

.page-support__section {
  padding: 60px 0;
}

.page-support__dark-section {
  background-color: var(--color-deep-navy);
  color: var(--text-main);
}

.page-support__light-bg {
  background-color: #f9f9f9; /* Lighter background for contrast */
  color: #333333; /* Darker text for contrast */
}

.page-support__light-bg .page-support__section-title,
.page-support__light-bg .page-support__guide-title {
  color: var(--color-deep-navy);
}

.page-support__section-title {
  font-size: 38px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  color: var(--text-main);
}

/* Hero Section */
.page-support__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 10px; /* Small top padding, body handles header offset */
  padding-bottom: 60px;
  text-align: center;
  overflow: hidden;
}

.page-support__hero-image-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.page-support__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.5);
}

.page-support__hero-content {
  position: relative;
  z-index: 2;
  color: var(--text-main);
  max-width: 900px;
}

.page-support__main-title {
  font-size: clamp(32px, 5vw, 56px); /* Responsive font size */
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--text-main);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-support__intro-text {
  font-size: 20px;
  margin-bottom: 30px;
  color: var(--text-secondary);
}

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

.page-support__btn-primary,
.page-support__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-support__btn-primary {
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  color: #ffffff;
  border: 2px solid transparent;
}

.page-support__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  background: linear-gradient(180deg, #1144A6 0%, #2B73F6 100%);
}

.page-support__btn-secondary {
  background: transparent;
  color: var(--text-main);
  border: 2px solid var(--border-color);
}

.page-support__btn-secondary:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  background-color: rgba(255, 255, 255, 0.1);
}

/* Introduction Section */
.page-support__introduction-section .page-support__content-area p {
  margin-bottom: 15px;
  font-size: 17px;
  line-height: 1.8;
  color: #333333;
}

.page-support__introduction-section .page-support__content-area strong {
  color: var(--primary-color);
}

/* Channels Section */
.page-support__channels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.page-support__channel-card {
  background-color: var(--card-bg);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
  color: var(--text-main);
  height: 100%; /* Ensure cards are same height */
  display: flex;
  flex-direction: column;
}

.page-support__channel-card:hover {
  transform: translateY(-5px);
}

.page-support__channel-icon {
  width: 100%;
  height: 200px;
  object-fit: contain;
  margin-bottom: 20px;
  border-radius: 8px;
}

.page-support__channel-card .page-support__card-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--gold);
}

.page-support__channel-card .page-support__card-description {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-secondary);
  flex-grow: 1;
}

.page-support__channel-card code {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: monospace;
  color: var(--text-main);
}

/* Guide Section */
.page-support__guide-section .page-support__content-area {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-support__guide-item {
  background-color: #ffffff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  border-left: 5px solid var(--primary-color);
}

.page-support__guide-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.page-support__guide-item p {
  font-size: 16px;
  line-height: 1.7;
  color: #333333;
}

/* Common Issues Section */
.page-support__issues-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.page-support__issue-card {
  background-color: var(--card-bg);
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  color: var(--text-main);
  display: flex;
  flex-direction: column;
}

.page-support__issue-card .page-support__card-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--gold);
}

.page-support__issue-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  flex-grow: 1;
}

.page-support__issue-card ul li {
  font-size: 16px;
  margin-bottom: 10px;
  position: relative;
  padding-left: 25px;
  color: var(--text-secondary);
}

.page-support__issue-card ul li::before {
  content: '✔';
  color: var(--glow);
  position: absolute;
  left: 0;
  font-weight: bold;
}

.page-support__issue-card a {
  color: var(--glow);
  text-decoration: none;
}

.page-support__issue-card a:hover {
  text-decoration: underline;
}

/* FAQ Section */
details.page-support__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  background: #ffffff; /* Light background for FAQ items */
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
details.page-support__faq-item summary.page-support__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: #333333;
}
details.page-support__faq-item summary.page-support__faq-question::-webkit-details-marker {
  display: none;
}
details.page-support__faq-item summary.page-support__faq-question:hover {
  background: #f5f5f5;
}
.page-support__faq-qtext {
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--color-deep-navy);
}
.page-support__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: var(--primary-color);
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}
details.page-support__faq-item .page-support__faq-answer {
  padding: 0 20px 20px;
  background: #fcfcfc;
  border-radius: 0 0 8px 8px;
  color: #555555;
}

details.page-support__faq-item .page-support__faq-answer p {
  margin-bottom: 10px;
  font-size: 16px;
}

details.page-support__faq-item a {
  color: var(--primary-color);
  text-decoration: none;
}

details.page-support__faq-item a:hover {
  text-decoration: underline;
}

/* Commitment Section */
.page-support__commitment-section .page-support__content-area p {
  margin-bottom: 15px;
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.page-support__commitment-section .page-support__content-area strong {
  color: var(--glow);
}

/* CTA Contact Section */
.page-support__contact-cta-section {
  padding: 80px 0;
  background-color: var(--color-deep-navy);
}

.page-support__cta-box {
  display: flex;
  align-items: center;
  background-color: var(--card-bg);
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
  flex-wrap: wrap;
}

.page-support__cta-image {
  width: 50%;
  height: auto;
  object-fit: cover;
  display: block;
}

.page-support__cta-content {
  width: 50%;
  padding: 40px;
  box-sizing: border-box;
  color: var(--text-main);
}

.page-support__cta-title {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--gold);
}

.page-support__cta-description {
  font-size: 18px;
  line-height: 1.6;
  margin-bottom: 30px;
  color: var(--text-secondary);
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-support__section-title {
    font-size: 32px;
  }
  .page-support__hero-content {
    padding: 0 20px;
  }
  .page-support__cta-image,
  .page-support__cta-content {
    width: 100%;
  }
  .page-support__cta-image {
    height: 250px;
  }
  .page-support__cta-title {
    font-size: 30px;
  }
}

@media (max-width: 768px) {
  .page-support__container {
    padding: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-support__section {
    padding: 40px 0;
  }

  .page-support__section-title {
    font-size: 28px;
    margin-bottom: 30px;
  }

  /* HERO 主图区域 */
  .page-support__hero-section {
    padding-top: 10px; /* Ensure small top padding */
    padding-bottom: 40px;
  }
  .page-support__hero-image-wrapper {
    position: relative;
    height: 250px; /* Adjust height for mobile */
  }
  .page-support__hero-image {
    object-fit: contain !important; /* Prevent cropping */
    aspect-ratio: unset !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-support__hero-content {
    padding: 0 15px;
  }
  .page-support__main-title {
    font-size: clamp(28px, 8vw, 40px); /* Adjust clamp for mobile */
    margin-bottom: 15px;
  }
  .page-support__intro-text {
    font-size: 16px;
    margin-bottom: 25px;
  }
  .page-support__cta-buttons {
    flex-direction: column;
    gap: 10px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-support__btn-primary,
  .page-support__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 16px;
    white-space: normal !important;
    word-wrap: break-word !important;
    box-sizing: border-box !important;
  }

  /* Channels Grid */
  .page-support__channels-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-support__channel-card {
    padding: 20px;
  }
  .page-support__channel-icon {
    height: 180px;
  }
  .page-support__channel-card .page-support__card-title {
    font-size: 20px;
  }
  .page-support__channel-card .page-support__card-description {
    font-size: 15px;
  }

  /* Guide Section */
  .page-support__guide-item {
    padding: 20px;
  }
  .page-support__guide-title {
    font-size: 20px;
  }
  .page-support__guide-item p {
    font-size: 15px;
  }

  /* Common Issues Section */
  .page-support__issues-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-support__issue-card {
    padding: 20px;
  }
  .page-support__issue-card .page-support__card-title {
    font-size: 18px;
  }
  .page-support__issue-card ul li {
    font-size: 15px;
  }

  /* FAQ Section */
  details.page-support__faq-item summary.page-support__faq-question {
    padding: 15px;
  }
  .page-support__faq-qtext {
    font-size: 16px;
  }
  .page-support__faq-toggle {
    font-size: 20px;
    width: 24px;
    margin-left: 10px;
  }
  details.page-support__faq-item .page-support__faq-answer {
    padding: 0 15px 15px;
  }
  details.page-support__faq-item .page-support__faq-answer p {
    font-size: 15px;
  }

  /* Commitment Section */
  .page-support__commitment-section .page-support__content-area p {
    font-size: 15px;
  }

  /* CTA Contact Section */
  .page-support__contact-cta-section {
    padding: 40px 0;
  }
  .page-support__cta-box {
    border-radius: 10px;
  }
  .page-support__cta-image {
    height: 200px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-support__cta-content {
    width: 100% !important;
    padding: 30px;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-support__cta-title {
    font-size: 26px;
    margin-bottom: 15px;
  }
  .page-support__cta-description {
    font-size: 16px;
    margin-bottom: 25px;
  }

  /* General Image and Container Mobile Rules */
  .page-support img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-support__section,
  .page-support__content-area,
  .page-support__card,
  .page-support__container,
  .page-support__cta-buttons,
  .page-support__button-group,
  .page-support__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-support__content-area, .page-support p, .page-support li {
    font-size: 16px;
  }
  .page-support__article-body {
    max-width: 100% !important;
    padding-left: 15px;
    padding-right: 15px;
    box-sizing: border-box;
  }
}