.page-support {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #1F2D3D; /* Text Main */
  background-color: #F4F7FB; /* Background */
}

.page-support__container {
  max-width: 1150px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-support__hero-section {
  padding-top: 10px; /* Fixed header spacing, 10px as per rule */
  padding-bottom: 60px;
  text-align: center;
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%); /* Main color gradient */
  color: #ffffff; /* White text on dark background */
}

.page-support__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
  color: #ffffff;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-support__description {
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: #f0f0f0;
}

.page-support__cta-group {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-support__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 30px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
  box-sizing: border-box;
}

.page-support__btn--primary {
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
  color: #ffffff;
  border: 2px solid transparent;
  box-shadow: 0 4px 15px rgba(47, 107, 255, 0.3);
}

.page-support__btn--primary:hover {
  background: linear-gradient(180deg, #2F6BFF 0%, #4A8BFF 100%);
  box-shadow: 0 6px 20px rgba(47, 107, 255, 0.4);
}

.page-support__btn--secondary {
  background: #ffffff;
  color: #2F6BFF;
  border: 2px solid #2F6BFF;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.page-support__btn--secondary:hover {
  background: #f0f0f0;
  color: #2558cc;
  border-color: #2558cc;
}

.page-support__btn--text-link {
  color: #2F6BFF;
  text-decoration: none;
  font-weight: 600;
  padding: 5px 0;
  max-width: 100%;
  box-sizing: border-box;
  text-align: center;
}

.page-support__btn--text-link:hover {
  text-decoration: underline;
}

.page-support__section {
  padding: 80px 0;
}

.page-support__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 50px;
  color: #1F2D3D;
}

.page-support__description-small {
  font-size: 1.1rem;
  text-align: center;
  max-width: 800px;
  margin: -30px auto 50px auto;
  color: #1F2D3D;
}

.page-support__card {
  background-color: #FFFFFF; /* Card BG */
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
  padding: 30px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: #1F2D3D;
}

.page-support__card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
}

.page-support__feature-grid, .page-support__issue-grid, .page-support__contact-grid {
  display: grid;
  gap: 30px;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.page-support__feature-item, .page-support__issue-card, .page-support__contact-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.page-support__feature-figure {
  margin-bottom: 20px;
  width: 100%;
  max-width: 350px; /* Constrain feature image size */
  height: auto;
  overflow: hidden;
  border-radius: 8px;
}

.page-support__feature-figure img {
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 8px;
}

.page-support__feature-title, .page-support__issue-title, .page-support__contact-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 15px;
  color: #2F6BFF;
}

.page-support__feature-text, .page-support__issue-text, .page-support__contact-text {
  font-size: 1rem;
  color: #1F2D3D;
  margin-bottom: 20px;
}

.page-support__common-issues .page-support__issue-card {
  align-items: flex-start;
  text-align: left;
}

.page-support__contact-methods .page-support__card {
  background-color: #f8f8f8; /* Slightly different card background for contrast */
  border: 1px solid #D6E2FF; /* Border */
}

.page-support__faq-section {
  padding-bottom: 80px;
}

.page-support__faq-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
  max-width: 900px;
  margin: 0 auto;
}

.page-support__faq-item {
  padding: 0;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.page-support__faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.25rem;
  font-weight: 600;
  color: #1F2D3D;
  cursor: pointer;
  list-style: none;
  background-color: #FFFFFF;
  border-bottom: 1px solid #D6E2FF;
}

.page-support__faq-item summary:hover {
  background-color: #f9f9f9;
}

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

.page-support__faq-qtext {
  flex-grow: 1;
  color: #2F6BFF;
}

.page-support__faq-toggle {
  font-size: 1.8rem;
  line-height: 1;
  transition: transform 0.3s ease;
  color: #2F6BFF;
}

.page-support__faq-item[open] .page-support__faq-toggle {
  transform: rotate(45deg);
}

.page-support__faq-answer {
  padding: 20px 25px;
  font-size: 1rem;
  color: #1F2D3D;
  background-color: #fdfdfd;
  border-top: 1px solid #eee;
}

.page-support__faq-answer p {
  margin-bottom: 10px;
}

.page-support__promo-cta {
  padding: 100px 0;
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%); /* Main color gradient */
  color: #ffffff;
  text-align: center;
}

.page-support__promo-box {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 15px;
  padding: 50px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.page-support__promo-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 20px;
  color: #ffffff;
}

.page-support__promo-text {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: #f0f0f0;
}

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

/* Mobile responsiveness */
@media (max-width: 1024px) {
  .page-support__container {
    padding: 0 25px;
  }

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

  .page-support__main-title {
    font-size: clamp(2rem, 4vw, 3rem);
  }

  .page-support__description {
    font-size: clamp(0.95rem, 2vw, 1.15rem);
  }

  .page-support__section-title {
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  }

  .page-support__feature-title, .page-support__issue-title, .page-support__contact-title {
    font-size: 1.4rem;
  }

  .page-support__faq-item summary {
    font-size: 1.1rem;
  }

  .page-support__promo-cta {
    padding: 80px 0;
  }

  .page-support__promo-box {
    padding: 40px;
  }
}

@media (max-width: 768px) {
  /* 1. 顶区标题 + 双 CTA */
  .page-support__hero-section {
    padding-top: 10px !important; /* Enforce 10px top padding */
    padding-bottom: 40px;
  }

  .page-support__main-title {
    font-size: 2rem !important;
    margin-bottom: 15px;
  }

  .page-support__description {
    font-size: 1rem !important;
    margin-bottom: 30px;
  }

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

  .page-support__btn {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  /* 2. 单栏长文容器 */
  .page-support__container {
    padding: 0 15px !important;
  }

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

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

  .page-support__description-small {
    font-size: 0.95rem !important;
    margin-bottom: 30px;
  }

  .page-support__card {
    padding: 20px;
  }

  /* 3. 通用图片与 figure */
  .page-support img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  
  .page-support__feature-figure {
    max-width: 100%;
    width: 100%;
  }

  /* Ensure all content containers are responsive */
  .page-support__section,
  .page-support__card,
  .page-support__container,
  .page-support__feature-item,
  .page-support__issue-card,
  .page-support__contact-item,
  .page-support__promo-box {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* 4. 按钮与按钮容器 (already handled with .page-support__btn and .page-support__cta-group) */
  .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;
    flex-wrap: wrap !important;
    gap: 10px;
    flex-direction: column; /* Ensure vertical stacking for groups */
  }

  /* 5. FAQ 区块 */
  .page-support__faq-list {
    gap: 10px;
  }

  .page-support__faq-item summary {
    padding: 15px 20px;
    font-size: 1rem !important;
  }

  .page-support__faq-toggle {
    font-size: 1.5rem !important;
  }

  .page-support__faq-answer {
    padding: 15px 20px;
    font-size: 0.95rem !important;
  }

  .page-support__promo-cta {
    padding: 50px 0;
  }

  .page-support__promo-box {
    padding: 30px;
  }

  .page-support__promo-title {
    font-size: 1.8rem !important;
  }

  .page-support__promo-text {
    font-size: 1rem !important;
  }
}