.page-faq {
  --faq-line: rgba(111, 140, 130, 0.24);
  --faq-text: rgba(244, 239, 230, 0.78);
  --faq-text-dim: rgba(244, 239, 230, 0.62);
  padding-bottom: clamp(56px, 9vw, 108px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  padding-block: clamp(20px, 3.5vw, 40px) clamp(30px, 5vw, 56px);
  align-items: end;
}

.page-faq .faq-hero-copy {
  min-width: 0;
}

.page-faq .faq-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-faq .faq-kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
}

.page-faq .faq-title {
  margin: 0;
  font-size: clamp(34px, 6.4vw, 76px);
  line-height: 0.98;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--cream);
  text-wrap: balance;
}

.page-faq .faq-title em {
  font-style: normal;
  color: var(--cyan);
}

.page-faq .faq-lede {
  margin: 20px 0 0;
  max-width: 36em;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.78;
  color: var(--faq-text);
}

.page-faq .faq-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-shot {
  margin: 0;
  min-width: 0;
}

.page-faq .faq-shot img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--radius-l);
  object-fit: cover;
  border: 1px solid var(--edge-soft);
}

.page-faq .faq-shot-cap {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--moss);
}

/* ---------- 问答看板 ---------- */
.page-faq .faq-board-wrap {
  margin-top: clamp(10px, 2.5vw, 26px);
}

.page-faq .faq-board-head {
  max-width: 48em;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-faq .faq-board-head .eyebrow {
  margin: 0 0 12px;
}

.page-faq .faq-board-title {
  margin: 0;
  font-size: clamp(26px, 3.6vw, 42px);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-faq .faq-board-note {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--faq-text-dim);
}

.page-faq .faq-tabs {
  padding: clamp(16px, 2.8vw, 34px);
  border-radius: var(--radius-l);
  border: 1px solid var(--edge-soft);
  background:
    linear-gradient(155deg, var(--ink-green) 0%, var(--char) 58%, var(--ink-green-deep) 100%);
}

/* 分段切换：胶囊轨道 */
.page-faq .faq-tablist {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 6px;
  border-radius: 999px;
  border: 1px solid var(--edge-soft);
  background: rgba(14, 42, 35, 0.55);
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-tablist::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-tablist .tab {
  flex: 0 0 auto;
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--faq-text-dim);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-faq .faq-tablist .tab:hover {
  color: var(--cream);
  border-color: var(--edge);
}

.page-faq .faq-tablist .tab[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-green-deep);
}

.page-faq .faq-tablist .tab:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.page-faq .faq-tabs .tab-panel {
  margin-top: clamp(18px, 3vw, 32px);
}

/* ---------- 问答条目 ---------- */
.page-faq .qa {
  border-top: 1px solid var(--faq-line);
}

.page-faq .qa:first-of-type {
  border-top: 0;
}

.page-faq .qa-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 10px 16px;
  padding: clamp(18px, 2.4vw, 26px) 0;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa-head:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
  border-radius: 8px;
}

.page-faq .qa-idx {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--amber);
  padding-top: 5px;
}

.page-faq .qa-q {
  min-width: 0;
  font-size: clamp(17px, 1.8vw, 20px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--cream);
}

.page-faq .qa-toggle {
  position: relative;
  width: 28px;
  height: 28px;
  margin-top: 2px;
  border-radius: 999px;
  border: 1px solid var(--edge);
  flex: 0 0 auto;
}

.page-faq .qa-toggle::before,
.page-faq .qa-toggle::after {
  content: "";
  position: absolute;
  left: 8px;
  right: 8px;
  top: 50%;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
  transform: translateY(-50%);
}

.page-faq .qa-toggle::after {
  transform: translateY(-50%) rotate(90deg);
  transition: transform 200ms var(--ease), opacity 200ms var(--ease);
}

.page-faq .qa[open] .qa-toggle::after {
  transform: translateY(-50%) rotate(0deg);
  opacity: 0;
}

.page-faq .qa-body {
  display: grid;
  gap: 18px;
  padding: 0 0 clamp(22px, 3vw, 30px);
}

.page-faq .qa-answer {
  min-width: 0;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--faq-text);
}

.page-faq .qa-answer p {
  margin: 0 0 12px;
}

.page-faq .qa-answer p:last-child {
  margin-bottom: 0;
}

.page-faq .qa-answer a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .qa-answer a:hover {
  color: var(--amber);
}

.page-faq .qa-answer .v {
  font-family: var(--font-mono);
  font-size: 1.1em;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cyan);
  padding: 0 1px;
}

.page-faq .qa-aside {
  min-width: 0;
  padding-left: 16px;
  border-left: 2px solid var(--orange);
  font-size: 14px;
  line-height: 1.72;
  color: var(--faq-text-dim);
}

.page-faq .qa-aside p {
  margin: 0;
}

.page-faq .qa-aside-label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-faq .qa-media {
  grid-column: 1 / -1;
  margin: 2px 0 0;
  display: grid;
  gap: 10px;
}

.page-faq .qa-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: var(--radius-m);
  object-fit: cover;
  border: 1px solid var(--edge-soft);
}

.page-faq .qa-media figcaption {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--moss);
}

/* ---------- 响应式 ---------- */
@media (min-width: 860px) {
  .page-faq .qa-body {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    gap: 22px 40px;
    padding-left: clamp(0px, 2vw, 34px);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-faq .faq-shot {
    align-self: end;
  }
}

@media (max-width: 560px) {
  .page-faq .faq-tablist .tab {
    padding: 10px 16px;
    font-size: 14px;
  }

  .page-faq .qa-head {
    gap: 8px 12px;
  }

  .page-faq .qa-answer {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tablist .tab,
  .page-faq .qa-toggle::after {
    transition: none;
  }
}