.page-faq {
  --faq-accent: #9B59B6;
  --faq-accent-alt: #E67E22;
  --faq-bg-card: rgba(255, 255, 255, 0.04);
  --faq-bg-card-hover: rgba(255, 255, 255, 0.07);
  --faq-border-soft: rgba(255, 255, 255, 0.08);
  --faq-radius: 16px;
  --faq-radius-sm: 10px;
  background: var(--color-deep-space);
  color: var(--color-white);
  font-family: var(--font-primary);
  line-height: 1.6;
  min-height: 100vh;
}
.page-faq .container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  min-height: 240px;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-deep-space) 0%, var(--color-deep-space-end) 100%);
}
.page-faq .faq-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
  pointer-events: none;
}
.page-faq .faq-hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 2.5rem 1.25rem;
  text-align: center;
}
.page-faq .faq-title {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin: 0 0 0.5rem;
  line-height: 1.15;
  background: linear-gradient(135deg, var(--color-white) 0%, var(--faq-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-faq .faq-subtitle {
  font-size: 1.05rem;
  color: var(--color-light-gray);
  margin: 0 0 1.75rem;
  font-weight: 400;
}
.page-faq .faq-search-wrap {
  position: relative;
  max-width: 480px;
  margin: 0 auto;
}
.page-faq .faq-search-input {
  width: 100%;
  padding: 0.85rem 1.25rem 0.85rem 3rem;
  border: 1.5px solid var(--faq-border-soft);
  border-radius: 60px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-white);
  font-size: 1rem;
  font-family: var(--font-primary);
  transition: border-color 0.3s, background 0.3s;
  outline: none;
  box-sizing: border-box;
}
.page-faq .faq-search-input::placeholder {
  color: var(--color-light-gray);
  opacity: 0.7;
}
.page-faq .faq-search-input:focus {
  border-color: var(--faq-accent-alt);
  background: rgba(255, 255, 255, 0.1);
}
.page-faq .faq-search-icon {
  position: absolute;
  left: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  pointer-events: none;
}
.page-faq .breadcrumb {
  padding: 1rem 1.25rem;
  font-size: 0.85rem;
  color: var(--color-light-gray);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.page-faq .breadcrumb a {
  color: var(--faq-accent);
  text-decoration: none;
  transition: color 0.2s;
}
.page-faq .breadcrumb a:hover {
  color: var(--faq-accent-alt);
}
.page-faq .breadcrumb-sep {
  color: rgba(255, 255, 255, 0.25);
}
.page-faq .faq-content {
  padding: 2rem 1.25rem 4rem;
}
.page-faq .faq-section {
  margin-bottom: 3.5rem;
  scroll-margin-top: 80px;
}
.page-faq .faq-section:last-of-type {
  margin-bottom: 2.5rem;
}
.page-faq .faq-section-title {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--faq-border-soft);
  position: relative;
}
.page-faq .faq-section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 60px;
  height: 2px;
  background: var(--faq-accent);
}
.page-faq .faq-section-num {
  font-family: var(--font-data);
  font-size: 1rem;
  font-weight: 500;
  color: var(--faq-accent);
  letter-spacing: 0.08em;
  opacity: 0.7;
  min-width: 2.2rem;
}
.page-faq .faq-section-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.page-faq .faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}
.page-faq .faq-item {
  border-radius: var(--faq-radius-sm);
  background: var(--faq-bg-card);
  border: 1px solid var(--faq-border-soft);
  overflow: hidden;
  transition: border-color 0.3s, background 0.3s, box-shadow 0.3s;
}
.page-faq .faq-item:hover {
  background: var(--faq-bg-card-hover);
  border-color: rgba(155, 89, 182, 0.25);
}
.page-faq .faq-item[open] {
  border-color: var(--faq-accent);
  background: rgba(155, 89, 182, 0.06);
  box-shadow: 0 4px 24px rgba(155, 89, 182, 0.08);
}
.page-faq .faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.page-faq .faq-question::-webkit-details-marker {
  display: none;
}
.page-faq .faq-q-text {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
  line-height: 1.4;
  color: var(--color-white);
  transition: color 0.25s;
}
.page-faq .faq-item[open] .faq-q-text {
  color: var(--faq-accent);
}
.page-faq .faq-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  color: var(--faq-accent-alt);
  transition: transform 0.35s ease, color 0.3s;
}
.page-faq .faq-item[open] .faq-icon {
  transform: rotate(45deg);
  color: var(--faq-accent);
}
.page-faq .faq-answer {
  padding: 0 1.25rem 1.25rem;
  color: var(--color-light-gray);
  font-size: 0.95rem;
  line-height: 1.7;
  animation: faqFadeIn 0.35s ease;
}
.page-faq .faq-answer p {
  margin: 0 0 0.5rem;
}
.page-faq .faq-answer p:last-child {
  margin-bottom: 0;
}
@keyframes faqFadeIn {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.page-faq .faq-link {
  color: var(--faq-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}
.page-faq .faq-link:hover {
  color: var(--faq-accent-alt);
  border-bottom-color: var(--faq-accent-alt);
}
.page-faq .faq-download-figure {
  margin: 0;
  flex-shrink: 0;
  border-radius: var(--faq-radius-sm);
  overflow: hidden;
  border: 1px solid var(--faq-border-soft);
  background: var(--faq-bg-card);
  max-width: 100%;
}
.page-faq .faq-download-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-faq .faq-more-help {
  text-align: center;
  padding: 2.5rem 1.25rem;
  margin-top: 1rem;
  border-top: 1px solid var(--faq-border-soft);
  background: var(--faq-bg-card);
  border-radius: var(--faq-radius);
}
.page-faq .faq-more-text {
  font-size: 1.15rem;
  font-weight: 500;
  margin: 0 0 1rem;
  color: var(--color-light-gray);
}
.page-faq .faq-contact-btn {
  display: inline-block;
  padding: 0.7rem 2.2rem;
  border-radius: 60px;
  background: var(--faq-accent);
  color: var(--color-white);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: background 0.3s, transform 0.2s;
  border: none;
  cursor: pointer;
}
.page-faq .faq-contact-btn:hover {
  background: var(--faq-accent-alt);
  transform: scale(1.03);
}

@media (min-width: 640px) {
  .page-faq .faq-title {
    font-size: 3.2rem;
  }
  .page-faq .faq-subtitle {
    font-size: 1.15rem;
  }
  .page-faq .faq-section-title {
    font-size: 1.8rem;
  }
  .page-faq .faq-section-inner {
    flex-direction: row;
    align-items: flex-start;
  }
  .page-faq .faq-download-figure {
    max-width: 300px;
    margin-top: 0.25rem;
  }
  .page-faq .faq-q-text {
    font-size: 1.05rem;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-content {
    padding: 3.5rem 2rem;
  }
  .page-faq .faq-title {
    font-size: 4rem;
  }
  .page-faq .faq-content {
    padding: 3rem 2rem 5rem;
  }
  .page-faq .faq-section-title {
    font-size: 2rem;
  }
  .page-faq .faq-download-figure {
    max-width: 340px;
  }
  .page-faq .faq-more-help {
    padding: 3rem 2rem;
  }
}