.page-faq {
  --faq-bor: var(--line-subtle);
  --faq-sidebar-w: 280px;
  background: var(--bg-deep);
  color: var(--text-primary);
  padding-bottom: 72px;
  overflow-x: hidden;
}

.page-faq .breadcrumbs {
  padding-top: 24px;
}

/* ---------- Hero ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 40px 0 56px;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(360px, 60vw);
  height: 4px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-orange) 100%);
  clip-path: polygon(0 0, 100% 0, calc(100% - 24px) 100%, 0 100%);
}

.page-faq .faq-hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

.page-faq .faq-eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.page-faq .faq-hero-copy h1 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(34px, 6.4vw, 58px);
  line-height: 1.04;
  color: var(--text-primary);
}

.page-faq .faq-hero-copy .lead-text {
  max-width: 34em;
  margin: 0;
}

.page-faq .faq-search {
  position: relative;
  margin-top: 28px;
  max-width: 460px;
}

.page-faq .faq-search input {
  width: 100%;
  padding: 14px 18px 14px 48px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-primary);
  background: var(--bg-elevated);
  border: 1px solid var(--faq-bor);
  border-left: 3px solid var(--accent);
  outline: none;
  transition: border-color var(--speed-fast), box-shadow var(--speed-fast);
}

.page-faq .faq-search input::placeholder {
  color: var(--text-soft);
}

.page-faq .faq-search input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 230, 118, 0.14);
}

.page-faq .faq-search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  width: 14px;
  height: 14px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}

.page-faq .faq-search-icon::after {
  content: "";
  position: absolute;
  right: -6px;
  bottom: -4px;
  width: 7px;
  height: 2px;
  background: var(--accent);
  border-radius: 0 2px 2px 0;
}

.page-faq .faq-hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-soft);
}

.page-faq .faq-hero-meta-sep {
  width: 4px;
  height: 4px;
  background: var(--accent-orange);
  transform: rotate(45deg);
}

.page-faq .faq-hero-visual {
  position: relative;
  padding-bottom: 20px;
}

.page-faq .faq-hero-img {
  display: block;
  width: 100%;
  max-width: 320px;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--faq-bor);
  background: var(--bg-panel);
}

.page-faq .faq-hero-card {
  position: absolute;
  left: 0;
  bottom: 0;
  display: grid;
  grid-template-columns: auto auto;
  column-gap: 10px;
  row-gap: 2px;
  align-items: baseline;
  padding: 14px 18px;
  min-width: 170px;
  background: var(--bg-panel);
  border-left: 3px solid var(--accent-orange);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.25);
}

.page-faq .faq-hero-card-num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 30px;
  line-height: 1;
  color: var(--accent);
}

.page-faq .faq-hero-card-label {
  font-size: 13px;
  color: var(--text-soft);
}

/* ---------- 主布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  padding: 8px 0 56px;
}

.page-faq .faq-sidebar-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 20px;
  color: var(--text-primary);
  position: relative;
  padding-left: 14px;
}

.page-faq .faq-sidebar-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  background: var(--accent);
  transform: skewX(-12deg);
}

.page-faq .faq-cat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-cat-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px 13px 20px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-soft);
  background: var(--bg-elevated);
  border-left: 2px solid transparent;
  text-decoration: none;
  clip-path: polygon(10px 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
  transition: background var(--speed-fast), color var(--speed-fast), border-color var(--speed-fast);
}

.page-faq .faq-cat-link span {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 14px;
  color: var(--accent-orange);
  transition: color var(--speed-fast);
}

.page-faq .faq-cat-link:hover,
.page-faq .faq-cat-link:focus-visible {
  color: var(--bg-deep);
  background: var(--accent);
  border-left-color: var(--accent-orange);
  outline: none;
}

.page-faq .faq-cat-link:hover span,
.page-faq .faq-cat-link:focus-visible span {
  color: var(--bg-deep);
}

.page-faq .faq-sidebar-note {
  margin-top: 28px;
  padding: 18px;
  background: var(--bg-panel);
  border-left: 3px solid var(--accent);
}

.page-faq .faq-sidebar-note p {
  margin: 0 0 12px;
  font-size: 14px;
  color: var(--text-soft);
}

.page-faq .faq-sidebar-note .btn {
  display: inline-block;
}

/* ---------- 问答区 ---------- */
.page-faq .faq-content {
  min-width: 0;
}

.page-faq .faq-cat-section {
  scroll-margin-top: 110px;
  margin-bottom: 40px;
}

.page-faq .faq-cat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 4px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--faq-bor);
}

.page-faq .faq-cat-header h2 {
  margin: 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 24px;
  color: var(--text-primary);
}

.page-faq .faq-cat-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 24px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 13px;
  color: var(--bg-deep);
  background: var(--accent-orange);
  clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}

.page-faq .faq-cat-count {
  margin-left: auto;
  font-size: 13px;
  color: var(--text-soft);
  font-family: var(--font-body);
}

.page-faq .faq-item {
  background: var(--bg-elevated);
  border-left: 2px solid transparent;
  transition: border-color var(--speed-fast), background var(--speed-fast);
}

.page-faq .faq-item[open] {
  border-left-color: var(--accent);
  background: var(--bg-panel);
}

.page-faq .faq-item + .faq-item {
  margin-top: 10px;
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

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

.page-faq .faq-item summary::marker {
  content: "";
  display: none;
}

.page-faq .faq-item summary::after {
  content: "+";
  margin-left: auto;
  flex-shrink: 0;
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 1;
  color: var(--accent);
  transition: transform var(--speed-med);
}

.page-faq .faq-item[open] summary::after {
  transform: rotate(45deg);
}

.page-faq .faq-item summary:hover {
  color: var(--accent);
}

.page-faq .faq-answer {
  padding: 0 18px 18px;
  color: var(--text-soft);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
}

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

.page-faq .faq-answer a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: rgba(0, 230, 118, 0.4);
  text-underline-offset: 4px;
}

.page-faq .faq-answer a:hover {
  color: var(--accent-orange);
}

/* ---------- 联系区块 ---------- */
.page-faq .faq-contact {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-top: 44px;
}

.page-faq .faq-contact::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-orange) 100%);
  clip-path: polygon(0 0, 100% 0, calc(100% - 40px) 100%, 0 100%);
}

.page-faq .faq-contact-img img {
  display: block;
  width: 100%;
  max-width: 400px;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
  border: 1px solid var(--faq-bor);
  background: var(--bg-panel);
}

.page-faq .faq-contact-body h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 30px;
  line-height: 1.15;
  color: var(--text-primary);
}

.page-faq .faq-contact-body .lead-text {
  max-width: 34em;
  margin: 0;
}

.page-faq .faq-contact-list {
  list-style: none;
  margin: 20px 0 8px;
  padding: 0;
}

.page-faq .faq-contact-list li {
  display: flex;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--faq-bor);
}

.page-faq .faq-contact-list .contact-label {
  min-width: 52px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.page-faq .faq-contact-list .contact-value {
  font-size: 15px;
  color: var(--text-primary);
  word-break: break-all;
}

.page-faq .faq-contact-note {
  margin: 12px 0 24px;
  font-size: 13px;
  color: var(--text-soft);
}

.page-faq .faq-contact-body .btn {
  display: inline-block;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero-inner {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
  }

  .page-faq .faq-hero-img {
    margin-left: auto;
  }

  .page-faq .faq-hero-card {
    left: auto;
    right: 0;
  }

  .page-faq .faq-contact {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 920px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-sidebar-w) 1fr;
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-sidebar {
    position: sticky;
    top: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition: none !important;
  }
}