.page-faq {
  --faq-rule: rgba(35, 29, 24, .14);
  --faq-rule-soft: rgba(35, 29, 24, .08);
  --faq-rule-strong: rgba(35, 29, 24, .3);
  --faq-wash: #FBF8F1;
  --faq-sec-gap: 48px;
  background: var(--paper);
  color: var(--paper-ink);
  font-family: var(--font-sans);
  font-size: 15.5px;
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 22px 0 36px;
  border-bottom: 1px solid var(--faq-rule);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--faq-rule-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--faq-rule-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.page-faq .faq-hero__deco {
  position: absolute;
  top: -90px;
  right: -70px;
  width: 260px;
  height: 260px;
  background: linear-gradient(135deg, var(--violet), var(--magenta) 62%, var(--orange));
  opacity: .16;
  clip-path: polygon(46% 0, 100% 0, 100% 100%);
  transform: rotate(8deg);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: rgba(35, 29, 24, .62);
}

.page-faq .breadcrumbs__item {
  color: inherit;
  text-decoration: none;
}

.page-faq .breadcrumbs__sep {
  color: rgba(35, 29, 24, .34);
}

.page-faq .faq-hero__kicker {
  margin: 24px 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-faq .faq-hero__title {
  margin: 0;
  max-width: 18em;
  font-size: 27px;
  line-height: 1.28;
  font-weight: 800;
  letter-spacing: -.02em;
}

.page-faq .faq-hero__lede {
  margin: 16px 0 0;
  max-width: 36em;
  font-size: 15.5px;
  color: rgba(35, 29, 24, .78);
}

.page-faq .faq-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 26px 0 0;
  padding: 0;
  background: var(--faq-rule);
  border: 1px solid var(--faq-rule);
}

.page-faq .faq-hero__fact {
  background: var(--paper);
  padding: 12px 14px;
}

.page-faq .faq-hero__fact dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: rgba(35, 29, 24, .55);
}

.page-faq .faq-hero__fact dd {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--paper-ink);
}

/* ---------- 步骤速查 ---------- */
.page-faq .step-map {
  padding: 26px 0 30px;
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .step-map__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: rgba(35, 29, 24, .6);
}

.page-faq .step-map__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--faq-rule);
  border: 1px solid var(--faq-rule);
}

.page-faq .step-map__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 14px;
  background: var(--paper);
  color: inherit;
  text-decoration: none;
  transition: background .25s var(--ease), color .25s var(--ease);
}

.page-faq .step-map__link:hover,
.page-faq .step-map__link:focus-visible {
  background: var(--ink-900);
  color: var(--text);
}

.page-faq .step-map__link:hover .step-map__num,
.page-faq .step-map__link:focus-visible .step-map__num {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-faq .step-map__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--orange);
  border: 1px solid currentColor;
  border-radius: 2px;
  padding: 2px 6px;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-faq .step-map__label {
  font-size: 14.5px;
  font-weight: 600;
}

/* ---------- 章节通用 ---------- */
.page-faq .guide-sec {
  padding: var(--faq-sec-gap) 0;
  border-bottom: 1px solid var(--faq-rule);
  scroll-margin-top: 84px;
}

.page-faq .guide-sec:target {
  background: rgba(255, 122, 47, .06);
  box-shadow: inset 3px 0 0 var(--orange);
}

.page-faq .sec-head {
  margin: 0 0 24px;
}

.page-faq .sec-head__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--orange);
  border: 1px solid currentColor;
  border-radius: 2px;
  padding: 2px 7px;
  margin-bottom: 10px;
}

.page-faq .sec-head__title {
  margin: 0;
  font-size: 21px;
  line-height: 1.35;
  font-weight: 800;
  letter-spacing: -.015em;
}

.page-faq .sec-head__note {
  margin: 8px 0 0;
  font-size: 14.5px;
  color: rgba(35, 29, 24, .68);
}

.page-faq .sec-head--dark .sec-head__title {
  color: var(--text);
}

.page-faq .sec-head--dark .sec-head__note {
  color: var(--mist);
}

.page-faq .sec-head--dark .sec-head__num {
  color: var(--cyan);
}

/* ---------- 编号步骤 ---------- */
.page-faq .how-list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
}

.page-faq .how-list__item {
  position: relative;
  padding: 0 0 22px 44px;
}

.page-faq .how-list__item::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 30px;
  bottom: 0;
  width: 0;
  border-left: 1px dashed var(--faq-rule-strong);
}

.page-faq .how-list__item:last-child {
  padding-bottom: 0;
}

.page-faq .how-list__item:last-child::before {
  display: none;
}

.page-faq .how-list__num {
  position: absolute;
  left: 0;
  top: 0;
  width: 27px;
  height: 27px;
  display: grid;
  place-items: center;
  border: 1px solid var(--faq-rule-strong);
  border-radius: 50%;
  background: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--orange);
}

.page-faq .how-list__title {
  margin: 3px 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
}

.page-faq .how-list__item p {
  margin: 0;
  font-size: 14.5px;
  color: rgba(35, 29, 24, .76);
}

/* ---------- 图片 ---------- */
.page-faq .guide-figure {
  margin: 0;
  border: 1px solid var(--faq-rule);
  background: var(--faq-wash);
  padding: 10px;
}

.page-faq .guide-figure img {
  width: 100%;
  object-fit: cover;
  border-radius: 1px;
}

.page-faq .guide-figure__cap {
  margin: 10px 0 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: rgba(35, 29, 24, .62);
}

/* ---------- 深色提示条 ---------- */
.page-faq .callout-dark {
  margin-top: 24px;
  padding: 18px 18px 18px 20px;
  background: var(--ink-900);
  border-left: 3px solid var(--cyan);
  border-radius: 2px;
  color: var(--text);
}

.page-faq .callout-dark__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-faq .callout-dark__list {
  margin: 0;
  padding-left: 18px;
  list-style: square;
}

.page-faq .callout-dark__list li {
  font-size: 14.5px;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.page-faq .callout-dark__list li:last-child {
  margin-bottom: 0;
}

/* ---------- 下载 ---------- */
.page-faq .dl-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-faq .dl-card {
  padding: 20px 18px;
  border: 1px solid var(--faq-rule);
  background: var(--faq-wash);
  position: relative;
}

.page-faq .dl-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--line);
}

.page-faq .dl-card--apple::before {
  background: linear-gradient(90deg, var(--violet), var(--magenta));
}

.page-faq .dl-card--android::before {
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}

.page-faq .dl-card__tag {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--orange);
}

.page-faq .dl-card__title {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-faq .dl-card__steps {
  margin: 0 0 14px;
  padding-left: 20px;
}

.page-faq .dl-card__steps li {
  font-size: 14.5px;
  color: rgba(35, 29, 24, .8);
  margin-bottom: 8px;
}

.page-faq .dl-card__steps li::marker {
  font-family: var(--font-mono);
  color: var(--paper-ink);
  font-weight: 700;
}

.page-faq .dl-card__note {
  margin: 0 0 14px;
  padding: 10px 12px;
  background: rgba(53, 217, 206, .12);
  border-left: 2px solid var(--cyan);
  font-size: 13.5px;
  color: rgba(35, 29, 24, .82);
}

.page-faq .dl-card .btn {
  margin-top: 4px;
}

/* ---------- 观看方式 ---------- */
.page-faq .watch-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--faq-rule);
}

.page-faq .watch-band__item {
  padding: 20px 4px 22px;
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .watch-band__kicker {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: rgba(35, 29, 24, .55);
}

.page-faq .watch-band__title {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.01em;
  display: inline-block;
  padding-bottom: 4px;
  border-bottom: 2px solid var(--orange);
}

.page-faq .watch-band__item--report .watch-band__title {
  border-bottom-color: var(--cyan);
}

.page-faq .watch-band__item--replay .watch-band__title {
  border-bottom-color: var(--magenta);
}

.page-faq .watch-band__fit {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.65;
  color: rgba(35, 29, 24, .62);
}

.page-faq .watch-band__item > p {
  margin: 0 0 10px;
  font-size: 14.5px;
  color: rgba(35, 29, 24, .78);
}

.page-faq .watch-band__link {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--paper-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
  padding-bottom: 1px;
}

.page-faq .watch-band__link:hover,
.page-faq .watch-band__link:focus-visible {
  color: var(--orange);
}

/* ---------- 刷新节奏 ---------- */
.page-faq .refresh-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-faq .refresh-copy__title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 800;
}

.page-faq .refresh-copy p {
  margin: 0 0 12px;
  font-size: 14.5px;
  color: rgba(35, 29, 24, .78);
}

.page-faq .refresh-copy__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  border-top: 1px solid var(--faq-rule);
}

.page-faq .refresh-copy__list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--faq-rule);
  font-size: 14px;
  color: rgba(35, 29, 24, .78);
}

.page-faq .refresh-copy__list strong {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--orange);
  margin-right: 6px;
}

.page-faq .guide-figure--tall {
  margin: 0;
}

/* ---------- 关注与筛选 ---------- */
.page-faq .follow-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .follow-card {
  padding: 18px;
  background:
    linear-gradient(180deg, rgba(10, 19, 48, .035), rgba(10, 19, 48, 0)),
    var(--faq-wash);
  border: 1px solid var(--faq-rule);
  border-radius: 3px;
}

.page-faq .follow-card__title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  position: relative;
  padding-left: 16px;
}

.page-faq .follow-card__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-faq .follow-card p {
  margin: 0;
  font-size: 14.5px;
  color: rgba(35, 29, 24, .78);
}

/* ---------- 反馈 ---------- */
.page-faq .feedback-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--faq-rule);
  border: 1px solid var(--faq-rule);
}

.page-faq .feedback-panel__body {
  background: var(--faq-wash);
  padding: 20px 18px;
}

.page-faq .feedback-panel__title {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 700;
}

.page-faq .feedback-panel__list {
  margin: 0 0 18px;
  padding-left: 20px;
}

.page-faq .feedback-panel__list li {
  font-size: 14.5px;
  color: rgba(35, 29, 24, .78);
  margin-bottom: 7px;
}

.page-faq .feedback-panel__copy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-faq .feedback-panel__hint {
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(35, 29, 24, .58);
}

.page-faq .feedback-panel__side {
  background: var(--ink-900);
  color: var(--text);
  padding: 20px 18px;
}

.page-faq .feedback-panel__side-title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-faq .feedback-panel__side p {
  margin: 0 0 16px;
  font-size: 14.5px;
  color: var(--text-dim);
}

/* ---------- 问答 ---------- */
.page-faq .faq-qa {
  padding: var(--faq-sec-gap) 0 56px;
  background: var(--ink-900);
  color: var(--text);
}

.page-faq .faq-filter {
  margin-bottom: 18px;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .filter-bar__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-faq .filter-chip {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text-dim);
  transition: border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease);
}

.page-faq .filter-chip:hover,
.page-faq .filter-chip:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-faq .filter-chip[aria-pressed="true"] {
  background: var(--orange);
  border-color: var(--orange);
  color: #1a1005;
  font-weight: 700;
}

.page-faq .qa-list {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .qa-item {
  background: var(--ink-800);
  border: 0;
}

.page-faq .qa-item[hidden],
.page-faq .qa-item.is-hidden {
  display: none;
}

.page-faq .qa-item__q {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 15px 16px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text);
  transition: background .2s var(--ease);
}

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

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

.page-faq .qa-item[open] .qa-item__q::after {
  content: "–";
  color: var(--cyan);
}

.page-faq .qa-item__q:hover {
  background: var(--panel);
}

.page-faq .qa-item__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-faq .qa-item__a {
  position: relative;
  padding: 2px 16px 18px 44px;
}

.page-faq .qa-item__a::before {
  content: "";
  position: absolute;
  left: 27px;
  top: 0;
  bottom: 16px;
  border-left: 1px dashed var(--line);
}

.page-faq .qa-item__a p {
  margin: 0;
  font-size: 14.5px;
  color: var(--text-dim);
}

.page-faq .qa-foot {
  margin: 20px 0 0;
  font-size: 14px;
  color: var(--mist);
}

.page-faq .qa-foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-faq .qa-foot a:hover,
.page-faq .qa-foot a:focus-visible {
  color: var(--orange);
  border-bottom-color: currentColor;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .step-map__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .dl-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .follow-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .feedback-panel {
    grid-template-columns: 1.6fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-faq {
    font-size: 17px;
    --faq-sec-gap: 64px;
  }

  .page-faq .faq-hero {
    padding: 30px 0 52px;
  }

  .page-faq .faq-hero::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 42%;
    height: 3px;
    background: linear-gradient(90deg, var(--violet), var(--magenta), var(--orange));
  }

  .page-faq .faq-hero__title {
    font-size: 40px;
    line-height: 1.2;
    max-width: 15em;
  }

  .page-faq .faq-hero__lede {
    font-size: 17px;
  }

  .page-faq .step-map__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .step-map__link {
    padding: 16px 18px;
  }

  .page-faq .sec-head__title {
    font-size: 26px;
  }

  .page-faq .sec-head {
    display: grid;
    grid-template-columns: auto 1fr;
    column-gap: 16px;
    align-items: baseline;
    margin-bottom: 30px;
  }

  .page-faq .sec-head__num {
    grid-row: 1 / span 2;
    margin-bottom: 0;
  }

  .page-faq .sec-head__note {
    margin-top: 6px;
  }

  .page-faq .guide-sec__grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    column-gap: 40px;
  }

  .page-faq .guide-sec__grid .sec-head {
    grid-column: 1 / -1;
  }

  .page-faq .guide-sec__grid .how-list {
    margin-bottom: 0;
  }

  .page-faq .guide-sec__grid .callout-dark {
    grid-column: 1 / -1;
    margin-top: 30px;
  }

  .page-faq .watch-band {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 32px;
    border-top: 1px solid var(--faq-rule);
  }

  .page-faq .watch-band__item {
    padding: 26px 0 28px;
    border-bottom: 0;
    border-top: 0;
  }

  .page-faq .watch-band__item--report {
    margin-top: 14px;
  }

  .page-faq .watch-band__item--replay {
    margin-top: 28px;
  }

  .page-faq .watch-band__title {
    font-size: 21px;
  }

  .page-faq .refresh-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-faq .dl-card {
    padding: 26px 24px;
  }

  .page-faq .feedback-panel__body {
    padding: 28px 26px;
  }

  .page-faq .feedback-panel__side {
    padding: 28px 24px;
  }

  .page-faq .qa-item__q {
    padding: 18px 22px;
    font-size: 16px;
  }

  .page-faq .qa-item__a {
    padding: 2px 22px 20px 52px;
  }

  .page-faq .qa-item__a::before {
    left: 33px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .step-map__link,
  .page-faq .filter-chip,
  .page-faq .qa-item__q {
    transition: none;
  }
}