.page-faq {
  --faq-gap: 2.5rem;
  --faq-card-pad: 2rem;
  --faq-radius: var(--radius-lg, 24px);
  --faq-accent-height: 6px;
  --faq-img-radius: var(--radius-md, 16px);
  display: flex;
  flex-direction: column;
  gap: var(--faq-gap);
  padding: var(--faq-gap) 0 3rem;
  background-color: var(--color-primary-dark, #0B1A2E);
  color: var(--color-text-white, #FFFFFF);
  font-family: var(--font-body, 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif);
  line-height: 1.7;
  letter-spacing: 0.02em;
}

.page-faq .container {
  max-width: var(--container-max, 1280px);
  margin: 0 auto;
  padding: 0 1.25rem;
  width: 100%;
  box-sizing: border-box;
}

/* ===== 面包屑 ===== */
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  color: rgba(255,255,255,0.6);
}

.page-faq .breadcrumb-item {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition, 0.3s);
}

.page-faq .breadcrumb-item:hover,
.page-faq .breadcrumb-item:focus-visible {
  color: var(--color-gold, #D4AF37);
}

.page-faq .breadcrumb-item.active {
  color: var(--color-gold, #D4AF37);
  pointer-events: none;
}

.page-faq .breadcrumb-sep {
  color: rgba(255,255,255,0.3);
  user-select: none;
}

/* ===== 首屏标题区 ===== */
.page-faq .faq-hero {
  padding: 2rem 0 1rem;
}

.page-faq .faq-hero-title {
  font-family: var(--font-heading, 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif);
  font-weight: 800;
  font-style: italic;
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  line-height: 1.15;
  margin: 0 0 0.5rem;
  color: var(--color-text-white, #FFFFFF);
}

.page-faq .faq-hero-title .brand-highlight {
  color: var(--color-gold, #D4AF37);
}

.page-faq .faq-hero-sub {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.75);
  max-width: 600px;
  margin: 0 0 1.5rem;
  line-height: 1.6;
}

/* ===== 搜索框 ===== */
.page-faq .faq-search-wrap {
  position: relative;
  max-width: 520px;
}

.page-faq .faq-search-input {
  width: 100%;
  padding: 0.9rem 1.25rem 0.9rem 3rem;
  border: 2px solid var(--color-dark-gray, #2C3E50);
  border-radius: var(--radius-pill, 9999px);
  background-color: var(--color-dark-gray, #2C3E50);
  color: var(--color-text-white, #FFFFFF);
  font-family: var(--font-body, 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif);
  font-size: 1rem;
  outline: none;
  transition: border-color var(--transition, 0.3s), box-shadow var(--transition, 0.3s);
  box-sizing: border-box;
}

.page-faq .faq-search-input::placeholder {
  color: rgba(255,255,255,0.4);
}

.page-faq .faq-search-input:focus {
  border-color: var(--color-electric-blue, #00B4D8);
  box-shadow: 0 0 0 3px rgba(0,180,216,0.2);
}

.page-faq .faq-search-icon {
  position: absolute;
  left: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.2rem;
  color: var(--color-gold, #D4AF37);
  pointer-events: none;
  line-height: 1;
}

/* ===== 类别卡片 ===== */
.page-faq .faq-category {
  scroll-margin-top: 3rem;
}

.page-faq .category-card {
  background-color: var(--color-dark-gray, #2C3E50);
  border-radius: var(--faq-radius);
  overflow: hidden;
  box-shadow: var(--shadow-card, 0 4px 20px rgba(0,0,0,0.3));
  transition: box-shadow var(--transition, 0.3s), transform var(--transition, 0.3s);
  position: relative;
}

.page-faq .category-card:hover {
  box-shadow: var(--shadow-hover, 0 8px 32px rgba(0,0,0,0.5));
  transform: translateY(-2px);
}

.page-faq .category-accent {
  height: var(--faq-accent-height);
  background: linear-gradient(90deg, var(--color-electric-blue, #00B4D8), var(--color-gold, #D4AF37));
  clip-path: polygon(0 0, 100% 0, 96% 100%, 0 100%);
  width: 100%;
}

.page-faq .category-inner {
  padding: var(--faq-card-pad);
}

.page-faq .category-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.page-faq .category-title {
  font-family: var(--font-heading, 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif);
  font-weight: 800;
  font-style: italic;
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  color: var(--color-gold, #D4AF37);
  margin: 0;
  flex: 1 1 auto;
  min-width: 200px;
  position: relative;
  padding-left: 1rem;
  border-left: 4px solid var(--color-electric-blue, #00B4D8);
}

.page-faq .category-img {
  width: 100%;
  max-width: 360px;
  height: auto;
  aspect-ratio: 500 / 350;
  object-fit: cover;
  border-radius: var(--faq-img-radius);
  box-shadow: 0 2px 12px rgba(0,0,0,0.3);
  flex-shrink: 0;
  transition: transform var(--transition, 0.3s);
}

.page-faq .category-img:hover {
  transform: scale(1.01);
}

/* ===== 手风琴列表 ===== */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.page-faq .faq-item {
  border-radius: var(--radius-md, 16px);
  background-color: rgba(11,26,46,0.5);
  border-left: 4px solid transparent;
  transition: border-color var(--transition, 0.3s), background-color var(--transition, 0.3s);
  overflow: hidden;
}

.page-faq .faq-item[open] {
  border-left-color: var(--color-electric-blue, #00B4D8);
  background-color: rgba(11,26,46,0.75);
}

.page-faq .faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  font-family: var(--font-heading, 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text-white, #FFFFFF);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: color var(--transition, 0.3s);
  position: relative;
}

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

.page-faq .faq-question::marker {
  display: none;
}

.page-faq .faq-question::after {
  content: "+";
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-weight: 500;
  font-size: 1.4rem;
  line-height: 1;
  color: var(--color-gold, #D4AF37);
  transition: transform var(--transition, 0.3s);
  flex-shrink: 0;
}

.page-faq .faq-item[open] > .faq-question::after {
  transform: rotate(45deg);
  color: var(--color-electric-blue, #00B4D8);
}

.page-faq .faq-question:hover {
  color: var(--color-gold, #D4AF37);
}

.page-faq .faq-answer {
  padding: 0 1.25rem 1.25rem;
  color: rgba(255,255,255,0.85);
  font-size: 0.95rem;
  line-height: 1.7;
  animation: faqFadeIn 0.3s ease-out;
}

@keyframes faqFadeIn {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-faq .faq-answer p {
  margin: 0;
}

.page-faq .faq-answer p + p {
  margin-top: 0.75rem;
}

.page-faq .faq-link {
  color: var(--color-electric-blue, #00B4D8);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 500;
  transition: color var(--transition, 0.3s);
}

.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible {
  color: var(--color-gold, #D4AF37);
}

.page-faq .data-number {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-weight: 500;
  color: var(--color-accent-red, #E63946);
  background-color: rgba(230,57,70,0.1);
  padding: 0 0.3em;
  border-radius: 4px;
}

/* ===== 底部CTA ===== */
.page-faq .faq-cta {
  margin-top: 1rem;
}

.page-faq .cta-card {
  background: linear-gradient(135deg, var(--color-dark-gray, #2C3E50) 0%, rgba(11,26,46,0.9) 100%);
  border: 1px solid rgba(212,175,55,0.2);
  border-radius: var(--faq-radius);
  padding: 2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.page-faq .cta-text {
  margin: 0;
  font-size: 1rem;
  color: rgba(255,255,255,0.8);
  flex: 1 1 auto;
}

.page-faq .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 2rem;
  font-family: var(--font-heading, 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius-pill, 9999px);
  cursor: pointer;
  transition: all var(--transition, 0.3s);
  border: none;
  line-height: 1.2;
  white-space: nowrap;
}

.page-faq .btn-primary {
  background-color: var(--color-gold, #D4AF37);
  color: var(--color-primary-dark, #0B1A2E);
}

.page-faq .btn-primary:hover,
.page-faq .btn-primary:focus-visible {
  background-color: var(--color-electric-blue, #00B4D8);
  color: var(--color-text-white, #FFFFFF);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,180,216,0.3);
}

/* ===== 响应式 ===== */
@media (max-width: 767px) {
  .page-faq {
    --faq-card-pad: 1.25rem;
    padding: 1.25rem 0 2rem;
    gap: 1.75rem;
  }

  .page-faq .container {
    padding: 0 1rem;
  }

  .page-faq .faq-hero {
    padding: 1.5rem 0 0.5rem;
  }

  .page-faq .faq-hero-title {
    font-size: 1.6rem;
  }

  .page-faq .faq-hero-sub {
    font-size: 0.95rem;
  }

  .page-faq .faq-search-input {
    padding: 0.75rem 1rem 0.75rem 2.6rem;
    font-size: 0.95rem;
  }

  .page-faq .faq-search-icon {
    left: 0.9rem;
    font-size: 1rem;
  }

  .page-faq .category-head {
    flex-direction: column;
    gap: 1rem;
  }

  .page-faq .category-img {
    max-width: 100%;
  }

  .page-faq .category-title {
    font-size: 1.25rem;
    padding-left: 0.75rem;
  }

  .page-faq .faq-question {
    padding: 0.85rem 1rem;
    font-size: 0.95rem;
  }

  .page-faq .faq-answer {
    padding: 0 1rem 1rem;
    font-size: 0.9rem;
  }

  .page-faq .cta-card {
    padding: 1.5rem;
    flex-direction: column;
    text-align: center;
  }

  .page-faq .btn {
    width: 100%;
    justify-content: center;
  }

  .page-faq .breadcrumb {
    font-size: 0.8rem;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .page-faq .category-img {
    max-width: 280px;
  }

  .page-faq .category-head {
    flex-wrap: nowrap;
  }
}

@media (min-width: 1024px) {
  .page-faq .category-inner {
    padding: 2rem 2.5rem;
  }

  .page-faq .category-img {
    max-width: 360px;
  }

  .page-faq .faq-question {
    padding: 1.1rem 1.5rem;
    font-size: 1.05rem;
  }

  .page-faq .faq-answer {
    padding: 0 1.5rem 1.25rem;
  }

  .page-faq .cta-card {
    padding: 2.25rem 3rem;
  }
}