.page-faq {
  --faq-orange: #FF6B35;
  --faq-blue: #0A2540;
  --faq-green: #06D6A0;
  --faq-yellow: #FFD166;
  --faq-radius: 16px;
  --faq-card-bg: #FFFFFF;
  --faq-border-light: rgba(10,37,64,0.08);
  --faq-shadow: 0 4px 20px rgba(10,37,64,0.06);
  --faq-transition: 0.35s cubic-bezier(0.25,0.46,0.45,0.94);

  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0 0 48px;
  background: var(--color-bg-light, #F9F9F9);
}

/* ===== 面包屑 ===== */
.page-faq .breadcrumb {
  margin-top: calc(var(--header-top-height, 56px) + var(--header-bottom-height, 48px) + 12px);
  margin-bottom: 8px;
  font-size: 0.875rem;
  color: var(--color-muted, #7A8B99);
}
.page-faq .breadcrumb a {
  color: var(--color-muted, #7A8B99);
  text-decoration: none;
  transition: color var(--transition-fast, 0.2s);
}
.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--faq-orange);
  outline: none;
}
.page-faq .breadcrumb__item[aria-current="page"] {
  color: var(--color-text-dark, #1A1A1A);
  font-weight: 600;
}

/* ===== Hero 区域 ===== */
.page-faq .faq-hero {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 24px 16px 32px;
  background: var(--faq-card-bg);
  border-radius: var(--faq-radius);
  box-shadow: var(--faq-shadow);
  margin-bottom: 32px;
}
.page-faq .faq-hero__visual {
  border-radius: 12px;
  overflow: hidden;
  line-height: 0;
}
.page-faq .faq-hero__img {
  width: 100%;
  height: auto;
  max-height: 200px;
  object-fit: cover;
  display: block;
}
.page-faq .faq-hero__content {
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: center;
}
.page-faq .faq-hero__title {
  font-family: var(--font-heading, 'Inter Tight', sans-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-dark, #1A1A1A);
  margin: 0;
  letter-spacing: -0.02em;
}
.page-faq .faq-hero__desc {
  font-size: 1rem;
  color: var(--color-muted, #7A8B99);
  margin: 0;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}
.page-faq .faq-search {
  width: 100%;
  max-width: 480px;
  margin: 4px auto 0;
}
.page-faq .faq-search__input {
  display: block;
  width: 100%;
  padding: 14px 20px;
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 1rem;
  color: var(--color-text-dark, #1A1A1A);
  background: var(--color-bg-light, #F9F9F9);
  border: 2px solid var(--faq-border-light);
  border-radius: 12px;
  outline: none;
  transition: border-color var(--transition-fast, 0.2s), box-shadow var(--transition-fast, 0.2s);
  box-sizing: border-box;
}
.page-faq .faq-search__input::placeholder {
  color: var(--color-muted, #7A8B99);
  opacity: 0.7;
}
.page-faq .faq-search__input:focus {
  border-color: var(--faq-orange);
  box-shadow: 0 0 0 4px rgba(255,107,53,0.15);
}
.page-faq .faq-search__input:focus-visible {
  outline: 2px solid var(--faq-orange);
  outline-offset: 2px;
}

/* ===== 分类容器 ===== */
.page-faq .faq-categories {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* ===== 单个分类 ===== */
.page-faq .faq-category {
  background: var(--faq-card-bg);
  border-radius: var(--faq-radius);
  box-shadow: var(--faq-shadow);
  overflow: hidden;
}
.page-faq .faq-category__header {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 20px 20px 16px;
  border-bottom: 2px solid var(--faq-border-light);
  transition: background var(--transition-fast, 0.2s);
}
.page-faq .faq-category__header--orange {
  background: linear-gradient(135deg, rgba(255,107,53,0.06) 0%, rgba(255,107,53,0.02) 100%);
  border-bottom-color: var(--faq-orange);
}
.page-faq .faq-category__header--blue {
  background: linear-gradient(135deg, rgba(10,37,64,0.06) 0%, rgba(10,37,64,0.02) 100%);
  border-bottom-color: var(--faq-blue);
}
.page-faq .faq-category__header--green {
  background: linear-gradient(135deg, rgba(6,214,160,0.06) 0%, rgba(6,214,160,0.02) 100%);
  border-bottom-color: var(--faq-green);
}
.page-faq .faq-category__header--yellow {
  background: linear-gradient(135deg, rgba(255,209,102,0.06) 0%, rgba(255,209,102,0.02) 100%);
  border-bottom-color: var(--faq-yellow);
}
.page-faq .faq-category__icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--color-bg-light, #F9F9F9);
  padding: 4px;
  box-sizing: border-box;
}
.page-faq .faq-category__title-group {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.page-faq .faq-category__title {
  font-family: var(--font-heading, 'Inter Tight', sans-serif);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-text-dark, #1A1A1A);
  margin: 0;
  letter-spacing: -0.01em;
}
.page-faq .faq-category__subtitle {
  font-size: 0.85rem;
  color: var(--color-muted, #7A8B99);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.page-faq .faq-category__items {
  padding: 4px 0;
}

/* ===== 手风琴项 ===== */
.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-border-light);
  transition: border-color var(--transition-fast, 0.2s);
}
.page-faq .faq-item:last-child {
  border-bottom: none;
}
.page-faq .faq-item__question {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-dark, #1A1A1A);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: color var(--transition-fast, 0.2s), background var(--transition-fast, 0.2s);
  position: relative;
}
.page-faq .faq-item__question::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item__question::marker {
  display: none;
  content: "";
}
.page-faq .faq-item__question::after {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  margin-left: auto;
  font-family: var(--font-heading, 'Inter Tight', sans-serif);
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--faq-orange);
  line-height: 1;
  border-radius: 50%;
  background: rgba(255,107,53,0.08);
  flex-shrink: 0;
  transition: transform var(--faq-transition), background var(--faq-transition), color var(--faq-transition);
}
.page-faq .faq-item__question:hover {
  background: rgba(10,37,64,0.02);
}
.page-faq .faq-item__question:focus-visible {
  outline: 2px solid var(--faq-orange);
  outline-offset: -2px;
  border-radius: 4px;
}
.page-faq details[open] .faq-item__question::after {
  transform: rotate(45deg);
  background: var(--faq-orange);
  color: #FFFFFF;
}
.page-faq .faq-item__question:hover::after {
  background: rgba(255,107,53,0.15);
}

/* ===== 答案内容 ===== */
.page-faq .faq-item__answer {
  padding: 0 20px 20px;
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--color-text-dark, #1A1A1A);
  animation: faq-fade-slide 0.3s ease-out;
}
.page-faq .faq-item__answer p {
  margin: 0 0 10px;
}
.page-faq .faq-item__answer p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-item__link {
  display: inline-block;
  margin-top: 8px;
  font-weight: 600;
  color: var(--faq-orange);
  text-decoration: none;
  transition: color var(--transition-fast, 0.2s);
}
.page-faq .faq-item__link:hover,
.page-faq .faq-item__link:focus-visible {
  color: var(--color-dark-blue, #0A2540);
  text-decoration: underline;
  outline: none;
}
.page-faq .faq-item__contact-list {
  list-style: none;
  padding: 0;
  margin: 8px 0 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.page-faq .faq-item__contact-list li {
  padding: 6px 0 6px 20px;
  position: relative;
  font-size: 0.95rem;
}
.page-faq .faq-item__contact-list li::before {
  content: "◆";
  position: absolute;
  left: 0;
  top: 6px;
  font-size: 0.6rem;
  color: var(--faq-orange);
}
.page-faq .faq-item__contact-list a {
  color: var(--faq-orange);
  text-decoration: none;
  font-weight: 500;
}
.page-faq .faq-item__contact-list a:hover {
  text-decoration: underline;
}
.page-faq .faq-item__note {
  font-size: 0.85rem;
  color: var(--color-muted, #7A8B99);
  margin-top: 8px;
}
.page-faq .faq-item__note a {
  color: var(--color-dark-blue, #0A2540);
  text-decoration: underline;
  font-weight: 500;
}

@keyframes faq-fade-slide {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 颜色点缀：每个分类的手风琴在展开时获得主题色标识 */
.page-faq details[open] .faq-item__question {
  background: rgba(10,37,64,0.02);
}
.page-faq .faq-category__header--orange + .faq-category__items details[open] > .faq-item__question {
  border-left: 4px solid var(--faq-orange);
  padding-left: 16px;
}
.page-faq .faq-category__header--blue + .faq-category__items details[open] > .faq-item__question {
  border-left: 4px solid var(--faq-blue);
  padding-left: 16px;
}
.page-faq .faq-category__header--green + .faq-category__items details[open] > .faq-item__question {
  border-left: 4px solid var(--faq-green);
  padding-left: 16px;
}
.page-faq .faq-category__header--yellow + .faq-category__items details[open] > .faq-item__question {
  border-left: 4px solid var(--faq-yellow);
  padding-left: 16px;
}

/* ===== 底部 CTA ===== */
.page-faq .faq-cta {
  margin-top: 36px;
}
.page-faq .faq-cta__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 36px 24px;
  background: linear-gradient(135deg, var(--faq-blue) 0%, #1a3a5c 100%);
  border-radius: var(--faq-radius);
  text-align: center;
  color: #FFFFFF;
}
.page-faq .faq-cta__title {
  font-family: var(--font-heading, 'Inter Tight', sans-serif);
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.01em;
}
.page-faq .faq-cta__desc {
  font-size: 1rem;
  margin: 0;
  opacity: 0.85;
  max-width: 400px;
}
.page-faq .faq-cta__btn {
  margin-top: 4px;
  padding: 14px 36px;
  font-size: 1.05rem;
  font-weight: 600;
  border-radius: 40px;
  background: var(--faq-orange);
  color: #FFFFFF;
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: transform var(--transition-fast, 0.2s), box-shadow var(--transition-fast, 0.2s);
  box-shadow: 0 4px 14px rgba(255,107,53,0.35);
}
.page-faq .faq-cta__btn:hover,
.page-faq .faq-cta__btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255,107,53,0.45);
  outline: none;
}

/* ===== 移动端优先：窄屏优化 ===== */
@media (max-width: 639px) {
  .page-faq {
    padding: 0 0 32px;
  }
  .page-faq .faq-hero {
    padding: 16px 12px 24px;
    gap: 16px;
    margin-bottom: 20px;
    border-radius: 12px;
  }
  .page-faq .faq-hero__title {
    font-size: 1.6rem;
  }
  .page-faq .faq-hero__desc {
    font-size: 0.9rem;
  }
  .page-faq .faq-search__input {
    padding: 12px 16px;
    font-size: 0.95rem;
  }
  .page-faq .faq-categories {
    gap: 20px;
  }
  .page-faq .faq-category__header {
    padding: 16px 14px 12px;
    gap: 14px;
    flex-wrap: wrap;
  }
  .page-faq .faq-category__icon {
    width: 44px;
    height: 44px;
  }
  .page-faq .faq-category__title {
    font-size: 1.15rem;
  }
  .page-faq .faq-category__subtitle {
    font-size: 0.78rem;
    white-space: normal;
  }
  .page-faq .faq-item__question {
    padding: 14px 14px;
    font-size: 0.95rem;
  }
  .page-faq .faq-item__question::after {
    width: 24px;
    height: 24px;
    font-size: 1.25rem;
  }
  .page-faq .faq-item__answer {
    padding: 0 14px 16px;
    font-size: 0.9rem;
  }
  .page-faq .faq-cta__inner {
    padding: 28px 18px;
    gap: 10px;
  }
  .page-faq .faq-cta__title {
    font-size: 1.25rem;
  }
  .page-faq .faq-cta__btn {
    padding: 12px 28px;
    font-size: 0.95rem;
  }
  .page-faq .faq-item__contact-list li {
    padding-left: 16px;
  }
  .page-faq .faq-item__contact-list li::before {
    font-size: 0.5rem;
  }
}

/* ===== 桌面增强 ===== */
@media (min-width: 640px) {
  .page-faq .faq-hero {
    padding: 32px 32px 36px;
    gap: 28px;
  }
  .page-faq .faq-hero__title {
    font-size: 2.5rem;
  }
  .page-faq .faq-hero__desc {
    font-size: 1.1rem;
  }
  .page-faq .faq-category__header {
    padding: 24px 28px 18px;
    gap: 22px;
  }
  .page-faq .faq-category__icon {
    width: 64px;
    height: 64px;
  }
  .page-faq .faq-category__title {
    font-size: 1.5rem;
  }
  .page-faq .faq-item__question {
    padding: 20px 28px;
    font-size: 1.05rem;
  }
  .page-faq .faq-item__answer {
    padding: 0 28px 24px;
    font-size: 1rem;
  }
  .page-faq .faq-cta__inner {
    padding: 48px 32px;
  }
  .page-faq .faq-cta__title {
    font-size: 1.75rem;
  }
  .page-faq .faq-categories {
    display: grid;
    grid-template-columns: 1fr;
    max-width: 860px;
    margin-left: auto;
    margin-right: auto;
  }
}

/* ===== 大桌面 ===== */
@media (min-width: 1024px) {
  .page-faq .faq-hero {
    flex-direction: row;
    align-items: center;
    padding: 32px 40px;
    gap: 40px;
  }
  .page-faq .faq-hero__visual {
    flex: 0 0 320px;
    border-radius: 16px;
  }
  .page-faq .faq-hero__content {
    flex: 1;
    text-align: left;
    align-items: flex-start;
  }
  .page-faq .faq-hero__desc {
    margin-left: 0;
    margin-right: 0;
  }
  .page-faq .faq-search {
    margin-left: 0;
    margin-right: 0;
  }
  .page-faq .faq-hero__title {
    font-size: 2.75rem;
  }
}

/* ===== reduced-motion 兼容 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__answer {
    animation: none;
  }
  .page-faq .faq-item__question::after {
    transition: none;
  }
  .page-faq .faq-item__question,
  .page-faq .faq-item__link,
  .page-faq .faq-cta__btn {
    transition: none;
  }
  .page-faq .faq-search__input {
    transition: none;
  }
}
</style>

```