.page-faq {
  --faq-gap: 28px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: hidden;
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 28px 0 56px;
  background:
    radial-gradient(115% 85% at 88% 0%, rgba(92, 242, 194, 0.14), transparent 62%),
    radial-gradient(90% 70% at 0% 100%, rgba(255, 182, 72, 0.08), transparent 66%),
    var(--ink);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 34px;
}

.page-faq .faq-hero__title {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.14;
  letter-spacing: 0.04em;
  overflow-wrap: break-word;
}

.page-faq .faq-hero__text {
  margin: 0;
  max-width: 54ch;
  font-size: 16.5px;
  color: var(--ink-soft);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  color: var(--ink-mute);
}

.page-faq .faq-hero__meta .mono {
  margin-right: 6px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--mint);
}

.page-faq .faq-hero__media {
  margin: 0;
  border-radius: var(--r-xl);
  border: 1px solid var(--hair-strong);
  overflow: hidden;
  background: var(--pitch);
}

.page-faq .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 36px 0 72px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.9fr);
    align-items: center;
    gap: 56px;
  }
}

/* ---------- 问答主区 ---------- */
.page-faq .faq-ask {
  padding: 16px 0 72px;
}

.page-faq .faq-ask__grid {
  display: grid;
  gap: 34px;
}

.page-faq .faq-ask__main {
  min-width: 0;
}

.page-faq .faq-ask .section__title {
  margin: 10px 0 10px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 34px);
  font-weight: 800;
  letter-spacing: 0.03em;
  line-height: 1.28;
}

.page-faq .faq-ask .section__lead {
  margin: 0 0 26px;
  max-width: 46ch;
  font-size: 15.5px;
  color: var(--ink-soft);
}

@media (min-width: 1000px) {
  .page-faq .faq-ask__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 44px;
    align-items: start;
  }
}

/* ---------- 标签 ---------- */
.page-faq .faq-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.page-faq .tabs__btn {
  appearance: none;
  border: 1px solid var(--hair-strong);
  border-radius: var(--r-pill);
  background: var(--pitch);
  color: var(--ink-soft);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  padding: 9px 16px;
  cursor: pointer;
  transition: color 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.page-faq .tabs__btn:hover {
  color: var(--paper);
  border-color: var(--mint);
}

.page-faq .tabs__btn[aria-selected="true"] {
  background: rgba(92, 242, 194, 0.14);
  border-color: var(--mint);
  color: var(--mint);
}

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

/* ---------- 面板与手风琴 ---------- */
.page-faq .faq-panel {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.page-faq .tabs__panel[hidden] {
  display: none;
}

.page-faq .faq-panel:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 6px;
  border-radius: var(--r-lg);
}

.page-faq .faq-q {
  border: 1px solid var(--hair);
  border-left: 3px solid transparent;
  border-radius: var(--r-lg);
  background-color: var(--pitch);
  background-image: linear-gradient(180deg, rgba(92, 242, 194, 0), rgba(92, 242, 194, 0));
  padding: 2px 18px;
  transition: border-color 0.2s ease, background-image 0.2s ease;
}

.page-faq .faq-q[open] {
  border-left-color: var(--mint);
  background-image: linear-gradient(180deg, rgba(92, 242, 194, 0.09), rgba(92, 242, 194, 0));
}

.page-faq .faq-q__q {
  position: relative;
  display: flex;
  align-items: flex-start;
  padding: 16px 42px 16px 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.55;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-q__q::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 0;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  transform: translateY(-50%);
  border: 1px solid var(--hair-strong);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--mint);
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-q[open] .faq-q__q::after {
  content: "−";
  background: rgba(92, 242, 194, 0.16);
  border-color: var(--mint);
}

.page-faq .faq-q__a {
  padding: 0 0 16px;
  font-size: 15.5px;
  color: var(--ink-soft);
}

.page-faq .faq-q__a p {
  margin: 0 0 10px;
}

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

.page-faq .faq-q__a a {
  color: var(--mint);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.page-faq .faq-panel__media {
  margin: 4px 0 0;
  max-width: 260px;
  border: 1px solid var(--hair);
  border-radius: var(--r-lg);
  overflow: hidden;
}

/* ---------- 版本速查侧栏 ---------- */
.page-faq .faq-quick {
  padding: 26px 24px;
  border-radius: var(--r-xl);
  background: var(--paper);
  color: var(--ink);
  box-shadow: var(--shadow);
}

.page-faq .faq-quick__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.page-faq .faq-quick__lead {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--teal);
}

.page-faq .faq-quick__list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-faq .faq-quick__list li {
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
}

.page-faq .faq-quick__list li:last-child {
  border-bottom: 0;
}

.page-faq .faq-quick__ver {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--teal);
}

.page-faq .faq-quick__note {
  margin: 0 0 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--teal);
}

.page-faq .faq-quick__link {
  display: inline-block;
  margin-top: 14px;
  padding-bottom: 2px;
  border-bottom: 2px solid var(--amber);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
}

.page-faq .faq-quick__link:hover {
  color: var(--teal);
}

@media (min-width: 1000px) {
  .page-faq .faq-ask__side {
    position: sticky;
    top: 96px;
  }
}

/* ---------- 结尾联系 ---------- */
.page-faq .faq-cta {
  padding: 0 0 76px;
}

.page-faq .faq-cta__inner {
  display: grid;
  gap: 22px;
  padding: 30px 24px;
  border: 1px solid var(--hair-strong);
  border-radius: var(--r-xl);
  background:
    radial-gradient(120% 120% at 100% 0%, rgba(255, 182, 72, 0.12), transparent 60%),
    var(--pitch);
}

.page-faq .faq-cta__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(21px, 3vw, 27px);
  font-weight: 800;
  letter-spacing: 0.03em;
}

.page-faq .faq-cta__text {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  color: var(--ink-soft);
}

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

@media (min-width: 860px) {
  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 40px 44px;
  }

  .page-faq .faq-cta__actions {
    flex-wrap: nowrap;
  }
}

/* ---------- 无障碍与动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .tabs__btn,
  .page-faq .faq-q,
  .page-faq .faq-q__q::after {
    transition: none;
  }
}