.page-faq {
  --faq-rail-w: 272px;
  background: var(--milk);
  color: var(--seed);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-faq .faq-crumb {
  max-width: 1240px;
  margin: 0 auto;
  padding: 16px 20px 0;
}

.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
}

.page-faq .breadcrumb__link {
  color: var(--leaf);
  text-decoration: none;
}

.page-faq .breadcrumb__link:hover {
  text-decoration: underline;
}

.page-faq .breadcrumb__sep {
  color: var(--ink-soft);
}

.page-faq .breadcrumb__current {
  color: var(--ink-soft);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding: 22px 0 0;
}

.page-faq .faq-hero__inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  gap: 28px;
  align-items: center;
}

.page-faq .faq-hero__text .kicker {
  color: var(--skin-deep);
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7vw, 56px);
  line-height: 1.03;
  letter-spacing: -0.02em;
  color: var(--seed);
}

.page-faq .faq-hero__mark {
  position: relative;
  display: inline-block;
  z-index: 0;
}

.page-faq .faq-hero__mark::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.06em;
  height: 0.26em;
  background: var(--flesh);
  opacity: 0.6;
  border-radius: 2px;
  z-index: -1;
}

.page-faq .faq-hero__lede {
  max-width: 36em;
  margin: 18px 0 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 6px 13px;
  border-radius: 999px;
  background: var(--grass);
  border: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--seed);
}

.page-faq .faq-chip .mono {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  color: var(--leaf);
}

.page-faq .faq-hero__art {
  position: relative;
  isolation: isolate;
}

.page-faq .faq-hero__art::before {
  content: "";
  position: absolute;
  inset: 14% -4% -10% 16%;
  background: var(--flesh);
  opacity: 0.22;
  border-radius: 58% 42% 52% 48% / 48% 58% 42% 52%;
  z-index: -1;
}

.page-faq .faq-hero__art img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px 46px 4px 46px;
}

/* ---------- 工作台 ---------- */

.page-faq .faq-workbench {
  max-width: 1240px;
  margin: 0 auto;
  padding: 38px 20px 64px;
  display: grid;
  gap: 30px;
}

.page-faq .faq-rail {
  padding-bottom: 4px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-rail .kicker {
  color: var(--skin-deep);
}

.page-faq .faq-rail__title {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 24px;
  letter-spacing: -0.01em;
  color: var(--seed);
}

.page-faq .faq-rail__note {
  margin: 8px 0 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-faq .faq-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-filters .filter-btn {
  appearance: none;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  color: var(--seed);
  border-radius: 999px;
  padding: 8px 14px;
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.4;
  text-align: left;
  cursor: pointer;
  transition: background 0.18s var(--ease), border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-faq .faq-filters .filter-btn:hover {
  border-color: var(--flesh);
}

.page-faq .faq-filters .filter-btn:focus-visible {
  outline: 2px solid var(--glow);
  outline-offset: 2px;
}

.page-faq .faq-filters .filter-btn[aria-pressed="true"] {
  background: var(--glow);
  border-color: var(--seed);
  color: var(--seed);
  font-weight: 700;
}

.page-faq .filter-status {
  margin: 10px 0 0;
  min-height: 18px;
  font-size: 12.5px;
  color: var(--ink-soft);
}

.page-faq .filter-status:empty {
  min-height: 0;
  margin-top: 0;
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}

.page-faq .faq-jump a {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--grass);
  border-bottom: 2px solid transparent;
  font-size: 13px;
  color: var(--seed);
  text-decoration: none;
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  border-bottom-color: var(--glow);
  background: var(--paper);
}

/* ---------- 问答分组 ---------- */

.page-faq .faq-group {
  margin-bottom: 30px;
  scroll-margin-top: 96px;
}

.page-faq .faq-group__head h2 {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 4.4vw, 30px);
  letter-spacing: -0.01em;
  color: var(--seed);
}

.page-faq .faq-group__head h2::after {
  content: "";
  display: block;
  width: 42px;
  height: 4px;
  margin-top: 9px;
  border-radius: 2px;
  background: var(--flesh);
}

.page-faq .faq-group__desc {
  margin: 10px 0 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-faq .qa {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--line);
  border-radius: 4px 20px 20px 20px;
  margin-bottom: 10px;
  overflow: hidden;
  transition: border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-faq .qa:hover {
  border-left-color: var(--glow);
}

.page-faq .qa[open] {
  border-left-color: var(--flesh);
  box-shadow: var(--shadow-soft);
}

.page-faq .qa__q {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 15px 16px;
  list-style: none;
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--seed);
}

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

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

.page-faq .qa__q::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
  color: var(--leaf);
}

.page-faq .qa[open] .qa__q::after {
  content: "−";
  color: var(--seed);
}

.page-faq .qa__idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--leaf);
}

.page-faq .qa__body {
  padding: 0 16px 16px;
  font-size: 14.6px;
  line-height: 1.78;
  color: var(--ink-soft);
}

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

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

.page-faq .qa__body ul {
  margin: 0 0 10px;
  padding-left: 18px;
}

.page-faq .qa__body li {
  margin-bottom: 6px;
}

.page-faq .qa__body li::marker {
  color: var(--leaf);
}

.page-faq .qa__body a {
  color: var(--leaf);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-faq .qa__body a:hover {
  color: var(--seed);
}

.page-faq .qa.is-hidden {
  display: none;
}

.page-faq .faq-group:not(:has([data-filter-item]:not(.is-hidden))) {
  display: none;
}

/* ---------- 提示带 ---------- */

.page-faq .faq-tip {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 30px;
  padding: 11px 16px;
  background: var(--skin);
  border-left: 4px solid var(--skin-deep);
  border-radius: 2px 16px 2px 16px;
}

.page-faq .faq-tip__label {
  flex: 0 0 auto;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--skin-deep);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.page-faq .faq-tip__text {
  margin: 0;
  flex: 1 1 220px;
  font-size: 13.5px;
  line-height: 1.65;
  color: #ffffff;
}

/* ---------- 安卓端配图 ---------- */

.page-faq .faq-android {
  display: grid;
  gap: 16px;
  margin-top: 18px;
  padding: 18px;
  background: var(--grass);
  border-radius: 4px 28px 4px 28px;
}

.page-faq .faq-android__art img {
  display: block;
  width: 100%;
  max-width: 220px;
  height: auto;
  border-radius: 4px 40px 4px 40px;
}

.page-faq .faq-android__text .kicker {
  color: var(--skin-deep);
}

.page-faq .faq-android__text h3 {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--seed);
}

.page-faq .faq-android__text p:last-child {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--seed);
}

/* ---------- 人工协助 ---------- */

.page-faq .faq-help {
  margin-top: 12px;
  padding: 26px 20px 28px;
  background: var(--seed);
  color: var(--milk);
  border-radius: 4px 32px 4px 32px;
  scroll-margin-top: 96px;
}

.page-faq .faq-help .kicker {
  color: var(--glow);
}

.page-faq .faq-help h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 4.4vw, 30px);
  letter-spacing: -0.01em;
  color: #ffffff;
}

.page-faq .faq-help__text {
  max-width: 34em;
  margin: 12px 0 20px;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(244, 247, 239, 0.82);
}

.page-faq .faq-help .btn--primary {
  background: var(--flesh);
  color: var(--seed);
  border-color: var(--flesh);
}

.page-faq .faq-help .btn--primary:hover,
.page-faq .faq-help .btn--primary:focus-visible {
  background: var(--glow);
  border-color: var(--glow);
  color: var(--seed);
}

.page-faq .faq-help__note {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(244, 247, 239, 0.62);
}

/* ---------- 断点 ---------- */

@media (min-width: 640px) {
  .page-faq .qa__body {
    padding-left: 54px;
  }

  .page-faq .faq-android {
    grid-template-columns: 180px minmax(0, 1fr);
    align-items: center;
    gap: 22px;
    padding: 22px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-crumb {
    padding: 20px 40px 0;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 6.4fr) minmax(0, 4.6fr);
    gap: 54px;
    padding: 0 40px;
  }

  .page-faq .faq-hero {
    padding-top: 30px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-workbench {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: 56px;
    padding: 56px 40px 92px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 96px;
    align-self: start;
    border-bottom: 0;
    border-left: 2px solid var(--line);
    padding: 2px 0 0 18px;
  }

  .page-faq .faq-filters {
    display: grid;
    gap: 6px;
  }

  .page-faq .faq-filters .filter-btn {
    width: 100%;
    padding: 9px 14px;
  }

  .page-faq .faq-jump {
    display: grid;
    gap: 2px;
    margin-top: 20px;
  }

  .page-faq .faq-jump a {
    border-radius: 0;
    background: transparent;
    border-left: 2px solid transparent;
    border-bottom: 0;
    padding: 7px 10px;
    font-size: 14px;
  }

  .page-faq .faq-jump a:hover,
  .page-faq .faq-jump a:focus-visible {
    border-left-color: var(--glow);
    background: var(--grass);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .faq-filters .filter-btn,
  .page-faq .faq-jump a {
    transition: none;
  }
}