.page-support {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--bg-color);
}

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

.page-support__hero-section {
  padding-top: 10px; /* Aligns with shared header offset */
  padding-bottom: 60px;
  background: var(--deep-green);
  color: var(--text-main);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.page-support__hero-content {
  max-width: 900px;
  padding: 0 20px;
  box-sizing: border-box;
  order: 2; /* Content below image */
}

.page-support__hero-image-wrapper {
  order: 1; /* Image above content */
  width: 100%;
  max-width: 1200px;
  margin-bottom: 20px;
}

.page-support__hero-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-support__main-title {
  font-size: clamp(2.2em, 4vw, 3.2em);
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--text-main);
  line-height: 1.2;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.page-support__hero-description {
  font-size: 1.1em;
  margin-bottom: 30px;
  color: var(--text-secondary);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-support__section-title {
  font-size: clamp(1.8em, 3.5vw, 2.5em);
  color: var(--gold);
  text-align: center;
  margin-bottom: 40px;
  font-weight: 700;
  text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
}

.page-support__intro-section {
  padding: 60px 0;
  background-color: var(--bg-color);
  color: var(--text-secondary);
}

.page-support__text-block {
  font-size: 1em;
  margin-bottom: 20px;
  text-align: justify;
  color: var(--text-secondary);
}

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

.page-support__light-bg {
  background-color: var(--bg-color);
  color: var(--text-secondary);
}

.page-support__channels-section {
  padding: 60px 0;
  text-align: center;
}

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

.page-support__channel-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.page-support__channel-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-support__card-image {
  width: 100%;
  max-width: 300px;
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  object-fit: cover;
}

.page-support__card-title {
  font-size: 1.5em;
  color: var(--text-main);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-support__card-text {
  font-size: 0.95em;
  color: var(--text-secondary);
  margin-bottom: 25px;
  flex-grow: 1;
}

.page-support__faq-section {
  padding: 60px 0;
}

.page-support__faq-list {
  max-width: 900px;
  margin: 40px auto 0;
}

.page-support__faq-item {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 20px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-support__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 30px;
  background-color: var(--deep-green);
  color: var(--text-main);
  font-size: 1.1em;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s ease;
  list-style: none; /* For details/summary */
}

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

.page-support__faq-question:hover {
  background-color: var(--primary-color);
}

.page-support__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 15px;
  color: var(--gold);
}

.page-support__faq-answer {
  padding: 0 30px 20px;
  color: var(--text-secondary);
  font-size: 0.95em;
  line-height: 1.7;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease-out, padding 0.5s ease-out;
}

.page-support__faq-item[open] .page-support__faq-answer {
  max-height: 500px; /* Sufficient height for content */
  padding-top: 20px;
}

.page-support__faq-item[open] .page-support__faq-toggle {
  content: "−";
}

.page-support__guide-section {
  padding: 60px 0;
  background-color: var(--card-bg);
  color: var(--text-main);
}

.page-support__guide-content {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-top: 40px;
}

.page-support__guide-text {
  flex: 1;
}

.page-support__guide-list {
  list-style: none;
  padding-left: 0;
  margin-bottom: 20px;
}

.page-support__guide-list li {
  margin-bottom: 10px;
  position: relative;
  padding-left: 25px;
  color: var(--text-secondary);
}

.page-support__guide-list li::before {
  content: '✓';
  color: var(--gold);
  position: absolute;
  left: 0;
  top: 0;
  font-weight: bold;
}

.page-support__guide-image-wrapper {
  flex: 1;
  min-width: 400px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-support__guide-image {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
}

.page-support__commitment-section {
  padding: 60px 0;
  text-align: center;
  background-color: var(--bg-color);
  color: var(--text-secondary);
}

.page-support__commitment-list {
  list-style: none;
  padding-left: 0;
  max-width: 800px;
  margin: 40px auto 0;
  text-align: left;
}

.page-support__commitment-list li {
  margin-bottom: 15px;
  position: relative;
  padding-left: 35px;
  font-size: 1.05em;
  color: var(--text-secondary);
}

.page-support__commitment-list li strong {
  color: var(--text-main);
}

.page-support__commitment-list li::before {
  content: '★';
  color: var(--gold);
  position: absolute;
  left: 0;
  top: 0;
  font-size: 1.2em;
}

.page-support__cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--deep-green) 0%, var(--primary-color) 100%);
  text-align: center;
  color: var(--text-main);
}

.page-support__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
}

.page-support__btn-primary,
.page-support__btn-secondary {
  display: inline-block;
  padding: 15px 35px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1em;
  transition: all 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
}

.page-support__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #ffffff;
  border: none;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.page-support__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
  opacity: 0.9;
}

.page-support__btn-secondary {
  background-color: transparent;
  color: var(--text-main);
  border: 2px solid var(--gold);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-support__btn-secondary:hover {
  background-color: var(--gold);
  color: var(--card-bg);
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

/* General image rules */
.page-support img {
  max-width: 100%;
  height: auto;
  display: block;
  filter: none; /* Ensure no CSS filters are applied */
}

/* Mobile responsive styles */
@media (max-width: 1024px) {
  .page-support__hero-content {
    padding: 0 15px;
  }
  .page-support__channels-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
  .page-support__guide-content {
    flex-direction: column;
  }
  .page-support__guide-image-wrapper {
    min-width: unset;
    width: 100%;
  }
  .page-support__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }
  .page-support__btn-primary, .page-support__btn-secondary {
    width: 100%;
  }
}

@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-support__hero-section {
    padding-top: 10px !important;
    padding-bottom: 40px;
    flex-direction: column;
  }
  .page-support__hero-content {
    order: 2;
    padding: 0 15px;
  }
  .page-support__hero-image-wrapper {
    order: 1;
    margin-bottom: 15px;
  }
  .page-support__main-title {
    font-size: 2em;
    margin-bottom: 10px;
  }
  .page-support__hero-description {
    font-size: 1em;
    margin-bottom: 20px;
  }

  /* 其他内容模块 */
  .page-support__intro-section,
  .page-support__channels-section,
  .page-support__faq-section,
  .page-support__guide-section,
  .page-support__commitment-section,
  .page-support__cta-section {
    padding: 40px 0;
  }

  .page-support__container {
    padding: 0 15px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden;
  }

  .page-support__section-title {
    font-size: 1.8em;
    margin-bottom: 30px;
  }

  .page-support__text-block {
    font-size: 0.95em;
  }

  /* 产品展示图区域 (channels-grid) */
  .page-support__channels-grid {
    grid-template-columns: 1fr; /* Single column */
    gap: 20px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow-x: hidden;
  }
  .page-support__channel-card {
    padding: 25px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-support__card-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  /* 通用图片与容器 */
  .page-support img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block;
  }
  .page-support__hero-image,
  .page-support__guide-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  /* 按钮与按钮容器 */
  .page-support__cta-buttons {
    flex-direction: column;
    gap: 15px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 0 15px;
  }
  .page-support__btn-primary,
  .page-support__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding: 12px 25px;
    font-size: 1em;
  }

  /* FAQ section */
  .page-support__faq-list {
    margin-top: 30px;
  }
  .page-support__faq-item {
    margin-bottom: 15px;
  }
  .page-support__faq-question {
    padding: 15px 20px;
    font-size: 1em;
  }
  .page-support__faq-answer {
    padding: 0 20px 15px;
    font-size: 0.9em;
  }

  /* Guide section */
  .page-support__guide-content {
    flex-direction: column;
    gap: 20px;
  }
  .page-support__guide-text, .page-support__guide-image-wrapper {
    width: 100%;
  }

  /* Commitment section */
  .page-support__commitment-list {
    margin-top: 30px;
  }
  .page-support__commitment-list li {
    font-size: 1em;
  }

  .page-support__cta-section {
    padding: 60px 0;
  }
}