/* 智能文字颜色选择器 - 必须实现（使用BEM命名规则） */
.page-support {
  color: #FFF5E1; /* Text Main */
}

.page-support__card {
  background: #D32F2F; /* Card BG */
  color: #FFF5E1;
  border: 1px solid #F2B544; /* Border */
}

.page-support__dark-bg {
  color: #FFF5E1; /* 深色背景配浅色文字 */
  background: #B71C1C; /* Background */
}

.page-support__text-main {
  color: #FFF5E1 !important;
}

.page-support__btn-primary {
  background: linear-gradient(180deg, #FFD86A 0%, #E6B800 100%);
  color: #7A0E0E; /* Deep Red for contrast */
  border: 2px solid #F2B544; /* Border */
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  display: inline-block;
  transition: all 0.3s ease;
}

.page-support__btn-primary:hover {
  filter: brightness(1.1);
  box-shadow: 0 0 10px #FFCC66; /* Glow */
}

.page-support__btn-secondary {
  background: #FFF5E1; /* Text Main as background */
  color: #C91F17; /* Main color as text */
  border: 2px solid #C91F17;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  display: inline-block;
  transition: all 0.3s ease;
}

.page-support__btn-secondary:hover {
  background: #C91F17;
  color: #FFF5E1;
}

.page-support__hero-section {
  padding-top: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: #B71C1C;
  position: relative;
  overflow: hidden;
}

.page-support__hero-image-wrapper {
  width: 100%;
  max-width: 1920px;
  overflow: hidden;
}

.page-support__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: brightness(0.7);
}

.page-support__hero-content {
  width: 100%;
  max-width: 900px;
  text-align: center;
  padding: 40px 20px;
  box-sizing: border-box;
  z-index: 2;
  margin-top: -100px; /* Overlap image slightly */
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.page-support__main-title {
  font-size: 3.2em;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: #FFF5E1;
}

.page-support__hero-description {
  font-size: 1.1em;
  line-height: 1.6;
  margin-bottom: 30px;
  color: #F4D34D; /* Gold */
}

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

.page-support__content-section {
  padding: 60px 0;
  background: #B71C1C;
}

.page-support__section-title {
  font-size: 2.5em;
  font-weight: 700;
  text-align: center;
  margin-bottom: 20px;
  color: #FFF5E1;
}

.page-support__section-intro {
  font-size: 1.1em;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px;
  line-height: 1.6;
  color: #F4D34D;
}

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

.page-support__topic-card {
  text-align: center;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
}

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

.page-support__card-title {
  font-size: 1.8em;
  font-weight: 600;
  margin-bottom: 15px;
  color: #F4D34D;
}

.page-support__card-description {
  font-size: 1em;
  line-height: 1.5;
  margin-bottom: 25px;
  flex-grow: 1;
  color: #FFF5E1;
}

.page-support__faq-section {
  padding: 60px 0;
  background: #7A0E0E; /* Deep Red */
}

details.page-support__faq-item {
  margin-bottom: 15px;
  border-radius: 10px;
  border: 1px solid #F2B544; /* Border */
  overflow: hidden;
  background: #D32F2F; /* Card BG */
  color: #FFF5E1;
}

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;
}

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: #C91F17;
}

.page-support__faq-qtext {
  flex: 1;
  font-size: 1.2em;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #FFF5E1;
}

.page-support__faq-toggle {
  font-size: 2em;
  font-weight: bold;
  color: #F4D34D; /* Gold */
  flex-shrink: 0;
  margin-left: 15px;
  width: 30px;
  text-align: center;
}

details.page-support__faq-item .page-support__faq-answer {
  padding: 0 20px 20px;
  background: rgba(0,0,0,0.2); /* Slightly darker for contrast */
  border-radius: 0 0 10px 10px;
  color: #FFF5E1;
}

.page-support__faq-answer p {
  margin: 0;
  font-size: 1em;
  line-height: 1.6;
}

.page-support__cta-contact {
  text-align: center;
  margin-top: 50px;
  padding: 30px;
  background: #D32F2F;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.page-support__cta-text {
  font-size: 1.2em;
  margin-bottom: 25px;
  color: #F4D34D;
}

.page-support__info-section {
  padding: 60px 0;
  background: #B71C1C;
}

.page-support__text-block {
  font-size: 1em;
  line-height: 1.7;
  color: #FFF5E1;
  max-width: 900px;
  margin: 0 auto;
}

.page-support__text-block p {
  margin-bottom: 20px;
  color: #FFF5E1;
}

/* Responsive styles */
@media (max-width: 1023px) {
  .page-support__main-title {
    font-size: 2.8em;
  }
  .page-support__hero-description {
    font-size: 1em;
  }
  .page-support__hero-content {
    margin-top: -80px;
    padding: 30px 15px;
  }
  .page-support__section-title {
    font-size: 2em;
  }
  .page-support__section-intro {
    font-size: 0.95em;
  }
}

@media (max-width: 768px) {
  .page-support__hero-section {
    padding-top: 0;
  }
  .page-support__hero-content {
    margin-top: -60px;
    padding: 25px 15px;
    border-radius: 0;
  }
  .page-support__main-title {
    font-size: 2em;
    margin-bottom: 15px;
  }
  .page-support__hero-description {
    font-size: 0.9em;
    margin-bottom: 25px;
  }
  .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-left: 15px;
    padding-right: 15px;
  }
  .page-support__topic-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-support__container {
    padding: 15px;
  }
  .page-support__section-title {
    font-size: 1.8em;
  }
  .page-support__section-intro {
    font-size: 0.9em;
    margin-bottom: 30px;
  }
  details.page-support__faq-item summary.page-support__faq-question {
    padding: 15px;
  }
  .page-support__faq-qtext {
    font-size: 1em;
  }
  .page-support__faq-toggle {
    font-size: 1.8em;
    width: 25px;
  }
  details.page-support__faq-item .page-support__faq-answer {
    padding: 0 15px 15px;
  }
  .page-support img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-support__section,
  .page-support__card,
  .page-support__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-support__cta-contact {
    padding: 20px;
  }
  .page-support__cta-text {
    font-size: 1em;
  }
  .page-support__text-block {
    font-size: 0.95em;
  }
}