.page-faq {
  --faq-hero-min-height: 360px;
  --faq-tab-radius: 48px;
  --faq-item-radius: 16px;
  --faq-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
}

/* ── 顶部 Hero ── */
.page-faq .faq-hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: var(--faq-hero-min-height);
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-orange) 0%, var(--color-blue) 100%);
}

.page-faq .faq-hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.20;
  mix-blend-mode: overlay;
}

.page-faq .faq-hero-overlay {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--max-width);
  padding: var(--spacing-xl) var(--spacing-md);
  text-align: center;
  color: var(--color-white);
}

.page-faq .faq-breadcrumb {
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-body);
  font-size: 0.875rem;
  opacity: 0.85;
}

.page-faq .faq-breadcrumb-link {
  color: var(--color-white);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--faq-transition);
}

.page-faq .faq-breadcrumb-link:hover,
.page-faq .faq-breadcrumb-link:focus-visible {
  border-bottom-color: var(--color-white);
}

.page-faq .faq-breadcrumb-sep {
  margin: 0 0.4rem;
}

.page-faq .faq-breadcrumb-current {
  font-weight: 500;
}

.page-faq .faq-hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.1;
  margin: 0 0 var(--spacing-xs);
  text-shadow: 0 2px 16px rgba(0,0,0,0.15);
  letter-spacing: -0.02em;
}

.page-faq .faq-hero-desc {
  font-family: var(--font-body);
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 400;
  margin: 0 auto var(--spacing-md);
  max-width: 560px;
  opacity: 0.92;
  line-height: 1.6;
}

/* ── 搜索框 ── */
.page-faq .faq-search-wrap {
  position: relative;
  max-width: 520px;
  margin: 0 auto;
}

.page-faq .faq-search-input {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.8rem;
  border: none;
  border-radius: var(--radius-full);
  background: var(--color-white);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.5;
  box-shadow: 0 4px 20px rgba(0,0,0,0.12);
  transition: box-shadow var(--faq-transition);
  box-sizing: border-box;
}

.page-faq .faq-search-input:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-gold), 0 4px 24px rgba(0,0,0,0.18);
}

.page-faq .faq-search-input::placeholder {
  color: var(--color-gray);
  opacity: 0.8;
}

.page-faq .faq-search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.3rem;
  color: var(--color-gray);
  pointer-events: none;
  line-height: 1;
}

/* ── 页面主体容器 ── */
.page-faq .faq-body {
  padding-top: var(--spacing-lg);
  padding-bottom: var(--spacing-xxl);
}

.page-faq .page-container {
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--spacing-md);
  padding-right: var(--spacing-md);
}

/* ── 分类标签 ── */
.page-faq .faq-categories {
  margin-bottom: var(--spacing-lg);
}

.page-faq .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.page-faq .faq-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.page-faq .faq-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.25rem;
  border: 2px solid var(--color-border);
  border-radius: var(--faq-tab-radius);
  background: var(--color-white);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--faq-transition);
  box-shadow: var(--shadow-sm);
  line-height: 1.4;
}

.page-faq .faq-tab:hover {
  border-color: var(--color-blue);
  box-shadow: var(--shadow-md);
}

.page-faq .faq-tab:focus-visible {
  outline: 2px solid var(--color-blue);
  outline-offset: 2px;
}

.page-faq .faq-tab.is-active {
  background: var(--color-blue);
  border-color: var(--color-blue);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(26,115,232,0.30);
}

.page-faq .faq-tab-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ── 手风琴列表 ── */
.page-faq .faq-list-section {
  margin-bottom: var(--spacing-xl);
}

.page-faq .faq-accordion {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  max-width: 820px;
  margin: 0 auto;
}

.page-faq .faq-item {
  border-radius: var(--faq-item-radius);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: box-shadow var(--faq-transition);
}

.page-faq .faq-item:hover {
  box-shadow: var(--shadow-md);
}

.page-faq .faq-item[open] {
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.page-faq .faq-item-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
  -webkit-user-select: none;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text);
  transition: background var(--faq-transition);
}

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

.page-faq .faq-item-header:hover {
  background: var(--color-light);
}

.page-faq .faq-item[open] .faq-item-header {
  background: var(--color-light);
  border-bottom: 1px solid var(--color-border);
}

.page-faq .faq-item-icon {
  flex-shrink: 0;
  font-size: 1.3rem;
  line-height: 1;
  width: 1.6rem;
  text-align: center;
}

.page-faq .faq-item-question {
  flex: 1;
}

.page-faq .faq-item-arrow {
  flex-shrink: 0;
  font-size: 1rem;
  color: var(--color-gray);
  transition: transform var(--faq-transition);
  line-height: 1;
}

.page-faq .faq-item[open] .faq-item-arrow {
  transform: rotate(90deg);
  color: var(--color-blue);
}

.page-faq .faq-item-body {
  padding: 1rem 1.25rem 1.25rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-white);
}

.page-faq .faq-item-body p {
  margin: 0 0 0.5rem;
}

.page-faq .faq-item-body p:last-child {
  margin-bottom: 0;
}

/* ── 联系支持 ── */
.page-faq .faq-contact {
  border-radius: var(--radius-lg);
  background: var(--color-dark);
  color: var(--color-white);
  overflow: hidden;
  max-width: 960px;
  margin: 0 auto;
}

.page-faq .faq-contact-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg) var(--spacing-md);
}

.page-faq .faq-contact-text {
  text-align: center;
  max-width: 520px;
}

.page-faq .faq-contact-title {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  margin: 0 0 var(--spacing-xs);
  color: var(--color-gold);
}

.page-faq .faq-contact-desc {
  font-family: var(--font-body);
  font-size: 1rem;
  margin: 0 0 var(--spacing-md);
  opacity: 0.88;
  line-height: 1.6;
}

.page-faq .faq-contact-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--spacing-sm);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  align-items: center;
}

.page-faq .faq-contact-item {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.6;
}

.page-faq .faq-contact-label {
  font-weight: 600;
  color: var(--color-gold);
  min-width: 2.4rem;
}

.page-faq .faq-contact-link {
  color: var(--color-white);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.35);
  transition: border-color var(--faq-transition);
}

.page-faq .faq-contact-link:hover,
.page-faq .faq-contact-link:focus-visible {
  border-bottom-color: var(--color-gold);
}

.page-faq .faq-contact-text-only {
  color: var(--color-white);
  opacity: 0.85;
}

.page-faq .faq-contact-note {
  font-family: var(--font-body);
  font-size: 0.875rem;
  opacity: 0.75;
  margin: 0 0 var(--spacing-sm);
  line-height: 1.5;
}

.page-faq .faq-contact-btn {
  margin-top: var(--spacing-xs);
}

.page-faq .btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.8rem;
  border: none;
  border-radius: var(--radius-full);
  background: var(--color-orange);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--faq-transition), transform var(--faq-transition), box-shadow var(--faq-transition);
  box-shadow: 0 4px 14px rgba(255,107,53,0.35);
}

.page-faq .btn-primary:hover,
.page-faq .btn-primary:focus-visible {
  background: #e55a2b;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(255,107,53,0.40);
}

.page-faq .faq-contact-visual {
  width: 100%;
  max-width: 560px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-faq .faq-contact-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-md);
}

/* ── 响应式：平板及以上 ── */
@media (min-width: 640px) {
  .page-faq {
    --faq-hero-min-height: 400px;
  }

  .page-faq .faq-hero-overlay {
    padding: var(--spacing-xxl) var(--spacing-lg);
  }

  .page-faq .faq-tabs {
    gap: 0.75rem;
  }

  .page-faq .faq-tab {
    padding: 0.6rem 1.5rem;
    font-size: 1rem;
  }

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

  .page-faq .faq-item-body {
    padding: 1.1rem 1.5rem 1.4rem;
    font-size: 1rem;
  }

  .page-faq .faq-contact-inner {
    flex-direction: row;
    justify-content: space-between;
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: left;
  }

  .page-faq .faq-contact-text {
    text-align: left;
    flex: 1;
  }

  .page-faq .faq-contact-list {
    align-items: flex-start;
  }

  .page-faq .faq-contact-visual {
    flex-shrink: 0;
    width: 320px;
    max-width: 40%;
  }
}

/* ── 响应式：桌面 ── */
@media (min-width: 1024px) {
  .page-faq {
    --faq-hero-min-height: 440px;
  }

  .page-faq .faq-hero-overlay {
    padding: var(--spacing-xxl) var(--spacing-lg);
  }

  .page-faq .faq-body {
    padding-top: var(--spacing-xl);
  }

  .page-faq .faq-accordion {
    gap: var(--spacing-md);
  }

  .page-faq .faq-contact-inner {
    padding: var(--spacing-xxl) var(--spacing-lg);
    gap: var(--spacing-lg);
  }

  .page-faq .faq-contact-visual {
    width: 380px;
  }
}

/* ── 确保窄屏不溢出 ── */
@media (max-width: 380px) {
  .page-faq .faq-tab {
    font-size: 0.8rem;
    padding: 0.4rem 0.9rem;
  }

  .page-faq .faq-item-header {
    padding: 0.8rem 0.9rem;
    font-size: 0.9rem;
    gap: 0.5rem;
  }

  .page-faq .faq-item-body {
    padding: 0.8rem 0.9rem 1rem;
    font-size: 0.875rem;
  }

  .page-faq .faq-search-input {
    padding: 0.6rem 0.8rem 0.6rem 2.2rem;
    font-size: 0.9rem;
  }

  .page-faq .faq-search-icon {
    left: 0.7rem;
    font-size: 1.1rem;
  }
}