.page-faq {
  background: var(--c-primary);
  color: var(--c-white);
  line-height: 1.7;
}

/* ---- Hero 章节 ---- */
.page-faq .faq-hero {
  position: relative;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-deep) 100%);
  padding: 48px 0 64px;
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 8px;
  background: var(--c-accent);
  clip-path: polygon(0 0, calc(100% - 120px) 0, 100% 100%, 0 100%);
}

.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

.page-faq .faq-hero-copy {
  max-width: 720px;
}

.page-faq .faq-hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 12px;
}

.page-faq .faq-hero-kicker::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--c-accent);
  display: inline-block;
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--ff-head);
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.15;
  color: var(--c-white);
}

.page-faq .faq-hero .lead {
  margin: 20px 0 28px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.0625rem;
}

.page-faq .faq-hero .breadcrumb a {
  color: rgba(255, 255, 255, 0.72);
  text-decoration: none;
}

.page-faq .faq-hero .breadcrumb a:hover,
.page-faq .faq-hero .breadcrumb a:focus-visible {
  color: var(--c-white);
}

.page-faq .faq-hero .breadcrumb [aria-current="page"] {
  color: var(--c-accent-soft);
}

/* ---- 搜索框 ---- */
.page-faq .faq-searchbox {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.22);
  padding: 0 16px;
  margin-bottom: 20px;
  border-radius: var(--radius);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-searchbox:focus-within {
  border-color: var(--c-accent);
  background: rgba(255, 255, 255, 0.12);
}

.page-faq .faq-search-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--c-accent);
}

.page-faq .faq-search-input {
  flex: 1;
  background: transparent;
  border: 0;
  color: var(--c-white);
  font-family: var(--ff-body);
  font-size: 1rem;
  padding: 14px 0;
  outline: none;
}

.page-faq .faq-search-input::placeholder {
  color: var(--c-metal);
}

.page-faq .faq-search-input:focus-visible {
  outline: 2px solid var(--c-accent-soft);
  outline-offset: 2px;
}

/* ---- 分类标签 ---- */
.page-faq .faq-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  color: var(--c-white);
  text-decoration: none;
  font-size: 0.875rem;
  transition: background 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-tag:hover,
.page-faq .faq-tag:focus-visible {
  background: var(--c-accent);
  border-color: var(--c-accent);
  transform: translateY(-2px);
}

.page-faq .faq-tag-num {
  font-family: var(--ff-head);
  font-size: 0.75rem;
  color: var(--c-accent);
}

.page-faq .faq-tag:hover .faq-tag-num,
.page-faq .faq-tag:focus-visible .faq-tag-num {
  color: var(--c-white);
}

/* ---- Hero 视觉区 ---- */
.page-faq .faq-hero-visual {
  position: relative;
  z-index: 0;
}

.page-faq .faq-hero-visual::before {
  content: "";
  position: absolute;
  right: -12px;
  bottom: -12px;
  width: 75%;
  height: 75%;
  background: var(--c-accent);
  clip-path: polygon(18% 0, 100% 0, 82% 100%, 0 100%);
  z-index: -1;
}

.page-faq .faq-hero-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

/* ---- FAQ 区块通用 ---- */
.page-faq .faq-block {
  padding: 72px 0;
  scroll-margin-top: 88px;
}

.page-faq .faq-block-primary {
  background: var(--c-primary);
}

.page-faq .faq-block-deep {
  background: var(--c-deep);
}

.page-faq .section-with-edge {
  position: relative;
}

.page-faq .section-with-edge::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--c-accent) 0%, var(--c-accent) 40%, transparent 40%);
}

.page-faq .faq-block-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-faq .faq-block-head {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.page-faq .faq-block-num {
  font-family: var(--ff-head);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1;
  color: var(--c-accent);
}

.page-faq .faq-block-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin: 8px 0 0;
}

.page-faq .faq-block-kicker::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--c-accent);
  display: inline-block;
}

.page-faq .faq-block-title {
  margin: 8px 0 0;
  font-family: var(--ff-head);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.2;
  color: var(--c-white);
}

.page-faq .faq-block-sub {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.9375rem;
}

/* ---- 区块内配图 ---- */
.page-faq .faq-visual-box {
  margin-top: 4px;
}

.page-faq .faq-visual {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
}

/* ---- 折叠面板 ---- */
.page-faq .faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-faq .faq-item {
  background: var(--c-paper);
  color: var(--c-ink);
  border-left: 4px solid var(--c-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.page-faq .faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px 18px 16px;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.5;
}

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

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: -2px;
}

.page-faq .faq-item summary::after {
  content: "";
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--c-accent);
  border-bottom: 2px solid var(--c-accent);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
  margin-left: auto;
}

.page-faq .faq-item[open] summary::after {
  transform: rotate(-135deg);
}

.page-faq .faq-q-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  background: var(--c-accent);
  color: var(--c-white);
  font-family: var(--ff-head);
  font-size: 0.75rem;
  border-radius: var(--radius);
}

.page-faq .faq-answer {
  padding: 0 20px 22px 60px;
  border-top: 1px dashed rgba(138, 146, 155, 0.45);
  margin-top: 0;
}

.page-faq .faq-answer p {
  margin-top: 16px;
  line-height: 1.8;
  font-size: 0.9375rem;
}

.page-faq .faq-answer a {
  color: var(--c-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-faq .faq-answer a:hover,
.page-faq .faq-answer a:focus-visible {
  color: var(--c-accent-soft);
}

/* ---- 联系兜底区 ---- */
.page-faq .faq-contact {
  background: var(--c-accent);
  color: var(--c-primary);
  padding: 72px 0;
  scroll-margin-top: 88px;
}

.page-faq .faq-contact-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-faq .faq-contact .faq-block-kicker {
  color: var(--c-primary);
}

.page-faq .faq-contact .faq-block-kicker::before {
  background: var(--c-primary);
}

.page-faq .faq-contact h2 {
  margin: 12px 0 0;
  font-family: var(--ff-head);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  line-height: 1.2;
  color: var(--c-primary);
}

.page-faq .faq-contact-desc {
  margin-top: 16px;
  color: var(--c-primary);
  opacity: 0.88;
  font-size: 1rem;
  max-width: 640px;
}

.page-faq .faq-contact-action {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.page-faq .faq-contact-mail {
  display: inline-block;
  font-family: var(--ff-head);
  font-size: clamp(1.125rem, 2vw, 1.75rem);
  background: var(--c-primary);
  color: var(--c-white);
  padding: 14px 24px;
  border-radius: var(--radius);
  word-break: break-all;
}

.page-faq .faq-contact-btn {
  display: inline-block;
  background: transparent;
  color: var(--c-primary);
  border: 2px solid var(--c-primary);
  border-radius: var(--radius);
  padding: 12px 24px;
  font-weight: 600;
  text-decoration: none;
  font-size: 1rem;
  transition: background 0.2s ease, color 0.2s ease;
}

.page-faq .faq-contact-btn:hover,
.page-faq .faq-contact-btn:focus-visible {
  background: var(--c-primary);
  color: var(--c-white);
  outline: 2px solid var(--c-accent-soft);
  outline-offset: 2px;
}

/* ---- 桌面端布局 ---- */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 72px 0 96px;
  }

  .page-faq .faq-hero-grid {
    grid-template-columns: repeat(12, 1fr);
  }

  .page-faq .faq-hero-copy {
    grid-column: 1 / span 8;
    padding-right: 48px;
  }

  .page-faq .faq-hero-visual {
    grid-column: 9 / span 4;
  }

  .page-faq .faq-block {
    padding: 96px 0;
  }

  .page-faq .faq-block-inner {
    grid-template-columns: 280px 1fr;
    gap: 64px;
  }

  .page-faq .faq-block-title-group {
    position: sticky;
    top: 112px;
  }

  .page-faq .faq-contact {
    padding: 88px 0;
  }

  .page-faq .faq-contact-inner {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .page-faq .faq-contact-action {
    align-items: flex-end;
  }
}

/* ---- 减少动效偏好 ---- */
@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition: none !important;
  }
}