/* ===== 支持中心专属样式 ===== */
.page-faq {
  --faq-max-width: 860px;
  --faq-gap: 1.25rem;
  --faq-radius: 12px;
  --faq-transition: 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  --faq-shadow: 0 2px 8px rgba(11, 29, 58, 0.06);
  --faq-shadow-hover: 0 6px 20px rgba(11, 29, 58, 0.10);
  color: var(--color-text-primary);
  background: var(--color-background);
  padding: 0 1rem 3rem;
  font-family: var(--font-family, Inter, sans-serif);
  line-height: 1.6;
  min-height: 60vh;
}

/* ---------- 面包屑 ---------- */
.faq-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  max-width: var(--faq-max-width);
  margin: 0 auto 1.5rem;
  padding-top: 1.5rem;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}
.faq-breadcrumb a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--faq-transition);
}
.faq-breadcrumb a:hover,
.faq-breadcrumb a:focus-visible {
  color: var(--color-primary);
  text-decoration: underline;
}
.faq-breadcrumb-sep {
  color: var(--color-neutral-light);
  user-select: none;
}
.faq-breadcrumb-current {
  font-weight: 600;
  color: var(--color-primary);
}

/* ---------- 标题区 ---------- */
.faq-hero {
  max-width: var(--faq-max-width);
  margin: 0 auto 2.5rem;
  text-align: left;
  position: relative;
}
.faq-hero-title {
  font-size: clamp(2rem, 5.5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  margin: 0 0 0.5rem;
  line-height: 1.15;
}
.faq-hero-desc {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  max-width: 640px;
  margin: 0 0 1.75rem;
  line-height: 1.5;
}
.faq-search-wrap {
  position: relative;
  max-width: 520px;
}
.faq-search-input {
  display: block;
  width: 100%;
  padding: 0.85rem 1rem 0.85rem 3rem;
  font-size: 1rem;
  font-family: inherit;
  background: var(--color-white);
  border: 2px solid var(--color-neutral-light);
  border-radius: var(--faq-radius);
  transition: border-color var(--faq-transition), box-shadow var(--faq-transition);
  color: var(--color-text-primary);
  -webkit-appearance: none;
  appearance: none;
}
.faq-search-input::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.6;
}
.faq-search-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
}
.faq-search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-secondary);
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------- 分类区块 ---------- */
.faq-section-title {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 1.75rem;
  letter-spacing: -0.01em;
  position: relative;
  display: inline-block;
}
.faq-section-title::after {
  content: "";
  display: block;
  width: 100%;
  height: 4px;
  background: var(--color-accent);
  margin-top: 4px;
  border-radius: 2px;
}
.faq-categories {
  max-width: var(--faq-max-width);
  margin: 0 auto 3.5rem;
}
.faq-category {
  background: var(--color-white);
  border-radius: var(--faq-radius);
  box-shadow: var(--faq-shadow);
  margin-bottom: 1.5rem;
  overflow: hidden;
  border-left: 5px solid var(--cat-color, #0B1D3A);
  transition: box-shadow var(--faq-transition);
}
.faq-category:hover {
  box-shadow: var(--faq-shadow-hover);
}
.faq-category-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 1.5rem 0.5rem;
  background: var(--cat-color-light, #F0F4F8);
}
.faq-cat-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  object-fit: cover;
  background: var(--color-neutral-light);
}
.faq-cat-icon--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cat-color, #0B1D3A);
  border-radius: 8px;
  width: 40px;
  height: 40px;
  position: relative;
}
.faq-cat-icon--placeholder::after {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--color-white);
  border-radius: 1px;
  box-shadow: 0 -6px 0 var(--color-white), 0 6px 0 var(--color-white);
}
.faq-cat-number {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cat-color, #0B1D3A);
  opacity: 0.5;
  line-height: 1;
}
.faq-cat-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0;
  line-height: 1.3;
}
.faq-cat-items {
  padding: 0 1.5rem 0.75rem;
}

/* ---------- 折叠面板 ---------- */
.faq-item {
  border-bottom: 1px solid var(--color-neutral-light);
  margin: 0;
  padding: 0;
  transition: background var(--faq-transition);
  border-radius: 0;
}
.faq-item:last-child {
  border-bottom: none;
}
.faq-item[open] {
  background: rgba(11, 29, 58, 0.02);
}
.faq-question {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  cursor: pointer;
  padding: 1rem 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.4;
  transition: color var(--faq-transition);
  user-select: none;
  position: relative;
}
.faq-question::-webkit-details-marker {
  display: none;
}
.faq-question::marker {
  display: none;
  content: "";
}
.faq-question::after {
  content: "+";
  flex-shrink: 0;
  margin-left: auto;
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--color-accent);
  transition: transform var(--faq-transition), color var(--faq-transition);
  line-height: 1;
}
.faq-item[open] > .faq-question::after {
  content: "−";
  transform: rotate(0deg);
  color: var(--color-primary);
}
.faq-question:hover,
.faq-question:focus-visible {
  color: var(--color-accent);
}
.faq-question:focus-visible {
  outline: 2px dashed var(--color-accent);
  outline-offset: 4px;
}
.faq-answer {
  padding: 0 0 1.2rem;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
  animation: faqFadeIn 0.3s ease;
}
.faq-answer p {
  margin: 0 0 0.5rem;
}
.faq-answer p:last-child {
  margin-bottom: 0;
}
@keyframes faqFadeIn {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.faq-inlink {
  display: inline-block;
  margin-top: 0.35rem;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--faq-transition), color var(--faq-transition);
}
.faq-inlink:hover,
.faq-inlink:focus-visible {
  border-bottom-color: var(--color-accent);
  color: var(--color-primary);
}

/* ---------- 联系我们 ---------- */
.faq-contact {
  max-width: var(--faq-max-width);
  margin: 0 auto;
}
.faq-contact-inner {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  background: var(--color-white);
  border-radius: var(--faq-radius);
  box-shadow: var(--faq-shadow);
  padding: 2rem 1.5rem;
  border-top: 5px solid var(--color-accent);
}
.faq-contact-info {
  flex: 1;
}
.faq-contact-heading {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 0.5rem;
}
.faq-contact-desc {
  color: var(--color-text-secondary);
  margin: 0 0 1.5rem;
  font-size: 0.95rem;
  max-width: 540px;
}
.faq-contact-dl {
  display: grid;
  gap: 0.75rem;
  margin: 0 0 1.5rem;
}
.faq-contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.75rem;
  align-items: baseline;
}
.faq-contact-label {
  font-weight: 600;
  color: var(--color-primary);
  font-size: 0.85rem;
  min-width: 5.5rem;
  letter-spacing: 0.02em;
}
.faq-contact-value {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin: 0;
  word-break: break-word;
}
.faq-contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 1.5rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-white);
  background: var(--color-primary);
  border-radius: 8px;
  text-decoration: none;
  transition: background var(--faq-transition), transform var(--faq-transition);
}
.faq-contact-btn:hover,
.faq-contact-btn:focus-visible {
  background: var(--color-accent);
  transform: translateY(-2px);
}
.faq-contact-visual {
  flex-shrink: 0;
  border-radius: 10px;
  overflow: hidden;
  background: var(--color-neutral-light);
}
.faq-contact-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 10px;
}

/* ---------- 桌面端 768px+ ---------- */
@media (min-width: 768px) {
  .page-faq {
    padding: 0 2rem 4rem;
  }
  .faq-breadcrumb {
    padding-top: 2rem;
    margin-bottom: 2rem;
  }
  .faq-hero {
    text-align: left;
  }
  .faq-hero-desc {
    font-size: 1.15rem;
  }
  .faq-category-head {
    padding: 1.5rem 2rem 0.75rem;
  }
  .faq-cat-items {
    padding: 0 2rem 1rem;
  }
  .faq-question {
    padding: 1.1rem 0;
    font-size: 1.05rem;
  }
  .faq-answer {
    font-size: 1rem;
  }
  .faq-contact-inner {
    flex-direction: row;
    align-items: flex-start;
    padding: 2.5rem 2.5rem;
  }
  .faq-contact-visual {
    width: 45%;
    max-width: 400px;
  }
  .faq-contact-img {
    height: 100%;
    min-height: 180px;
    object-fit: cover;
  }
}

/* ---------- 桌面端 1024px+ ---------- */
@media (min-width: 1024px) {
  .page-faq {
    padding: 0 2rem 5rem;
  }
  .faq-category {
    margin-bottom: 1.75rem;
  }
  .faq-cat-title {
    font-size: 1.3rem;
  }
  .faq-contact-inner {
    padding: 3rem 3rem;
  }
}

.page-faq {
  --cat-color: transparent;
  --cat-color-light: transparent;
}