.page-faq {
  --faq-split: clamp(22px, 3vw, 40px);
}

.page-faq [id] {
  scroll-margin-top: 96px;
}

.page-faq .faq-crumb {
  padding-top: clamp(14px, 2.4vw, 26px);
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: clamp(22px, 4vw, 48px);
  align-items: end;
  padding-block: clamp(20px, 3.4vw, 40px) clamp(34px, 6vw, 72px);
}

.page-faq .faq-hero-copy {
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 1.8vw, 20px);
}

.page-faq .faq-hero h1 {
  margin: 0;
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-hero-media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--bg-blue);
}

.page-faq .faq-hero-media img {
  display: block;
  width: 100%;
  object-fit: cover;
  aspect-ratio: 1000 / 700;
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }
}

/* ---------- 置顶三条 ---------- */
.page-faq .faq-pinned {
  background: var(--bg-blue);
  border-block: 1px solid var(--line);
  padding-block: clamp(26px, 4vw, 46px);
}

.page-faq .faq-pinned-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 18px;
  margin-bottom: clamp(14px, 2vw, 22px);
}

.page-faq .faq-pinned-note {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.page-faq .pinned-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .pinned-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(16px, 2.2vw, 26px);
  background: var(--bg-blue);
  border-left: 3px solid var(--lime);
}

.page-faq .pinned-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--lime);
}

.page-faq .pinned-q {
  margin: 0;
  font-size: clamp(17px, 1.8vw, 20px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
}

.page-faq .pinned-a {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .pinned-link {
  margin-top: auto;
  align-self: flex-start;
  font-size: 14px;
  font-weight: 600;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 200ms var(--ease);
}

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

@media (min-width: 820px) {
  .page-faq .pinned-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  padding-block: clamp(36px, 6vw, 76px);
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-group--blue {
  background: var(--bg-blue);
}

.page-faq .faq-group--indigo {
  background: var(--bg-indigo);
}

.page-faq .faq-group--wine {
  background: var(--bg-wine);
}

.page-faq .faq-group--contact {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group-inner {
  display: grid;
  gap: var(--faq-split);
}

.page-faq .faq-group-head {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .faq-group-note {
  margin: 0;
  max-width: 44ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.page-faq .faq-group-note a,
.page-faq .faq-a a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-side-media {
  margin: 8px 0 0;
  border: 1px solid var(--line);
}

.page-faq .faq-side-media img {
  display: block;
  width: 100%;
  object-fit: cover;
  aspect-ratio: 1000 / 800;
}

@media (min-width: 920px) {
  .page-faq .faq-group-inner {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    align-items: start;
  }
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
}

.page-faq .faq-item {
  border-top: 1px solid var(--line);
}

.page-faq .faq-item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-q {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  align-items: start;
  list-style: none;
  cursor: pointer;
  padding: clamp(14px, 2vw, 20px) 38px clamp(14px, 2vw, 20px) 0;
}

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

.page-faq .faq-q:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 4px;
}

.page-faq .faq-q::after,
.page-faq .faq-q::before {
  content: "";
  position: absolute;
  right: 6px;
  background: var(--lime);
  pointer-events: none;
  transition: transform 220ms var(--ease), opacity 220ms var(--ease),
    background-color 220ms var(--ease);
}

.page-faq .faq-q::after {
  top: calc(50% - 1px);
  width: 14px;
  height: 2px;
}

.page-faq .faq-q::before {
  right: 12px;
  top: calc(50% - 7px);
  width: 2px;
  height: 14px;
}

.page-faq .faq-item[open] .faq-q::before {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-item[open] .faq-q::after {
  background: var(--orange);
}

.page-faq .faq-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
  padding-top: 5px;
  transition: color 200ms var(--ease);
}

.page-faq .faq-item[open] .faq-num {
  color: var(--lime);
}

.page-faq .faq-q-text {
  font-size: clamp(16px, 1.5vw, 18px);
  font-weight: 600;
  line-height: 1.55;
  color: var(--text);
}

.page-faq .faq-a {
  padding: 0 0 clamp(16px, 2.2vw, 24px);
}

.page-faq .faq-a > p {
  margin: 0 0 10px;
  padding-left: clamp(14px, 2.4vw, 28px);
  border-left: 1px solid var(--line-soft);
  max-width: 66ch;
  font-size: clamp(15px, 1.4vw, 16px);
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-a > p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-a strong {
  color: var(--text);
  font-weight: 600;
}

/* ---------- 联络通道 ---------- */
.page-faq .faq-channels {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 2px;
}

.page-faq .faq-channel {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-faq .faq-channel-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-faq .faq-channel-value {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-faq .faq-channel .copy-btn {
  margin-left: auto;
}

@media (prefers-reduced-motion: no-preference) {
  .page-faq .pinned-card,
  .page-faq .faq-item {
    transition: background-color 220ms var(--ease);
  }

  .page-faq .faq-item[open] {
    background: rgba(233, 241, 236, 0.025);
  }
}