.page-faq {
  --faq-answer-w: 46em;
  --faq-line: var(--line-soft);
  background: var(--c-ink);
  color: var(--c-fog);
  overflow-x: hidden;
}

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 36px 0 44px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -120px;
  right: -90px;
  width: 220px;
  height: 220px;
  background: var(--orange-soft);
  border: 1px solid rgba(255, 106, 43, .30);
  transform: rotate(-15deg);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero__kicker {
  position: relative;
  z-index: 1;
  margin: 0 0 14px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-brass);
  text-transform: uppercase;
}

.page-faq .faq-hero__title {
  position: relative;
  z-index: 1;
  margin: 0 0 18px;
  max-width: 15em;
  font-size: clamp(30px, 7.4vw, 56px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--c-paper);
}

.page-faq .faq-hero__lede {
  position: relative;
  z-index: 1;
  margin: 0 0 30px;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--fog-70);
}

.page-faq .faq-hero__stats {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--faq-line);
  border: 1px solid var(--faq-line);
}

.page-faq .faq-stat {
  display: flex;
  flex-direction: column-reverse;
  margin: 0;
  padding: 14px 16px;
  background: var(--c-ink);
}

.page-faq .faq-stat__value {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--c-cyan);
}

.page-faq .faq-stat__label {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--fog-50);
}

/* ---------- 布局 ---------- */

.page-faq .faq-layout {
  padding: 32px 0 64px;
}

.page-faq .faq-sidenav {
  margin-bottom: 36px;
  padding: 18px 16px;
  background: var(--c-charcoal);
  border: 1px solid var(--faq-line);
}

.page-faq .faq-sidenav__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--c-brass);
}

.page-faq .faq-sidenav__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-sidenav__link {
  display: block;
  padding: 8px 14px;
  border: 1px solid var(--faq-line);
  color: var(--fog-70);
  font-size: 14px;
  text-decoration: none;
  transition: color var(--t-base) var(--ease), border-color var(--t-base) var(--ease), background-color var(--t-base) var(--ease);
}

.page-faq .faq-sidenav__link:hover,
.page-faq .faq-sidenav__link:focus-visible {
  color: var(--c-paper);
  border-color: var(--c-orange);
  background: var(--orange-soft);
}

.page-faq .faq-sidenav__link[aria-current="location"] {
  color: var(--c-paper);
  border-color: var(--c-orange);
  border-left-width: 3px;
  font-weight: 700;
}

.page-faq .faq-sidenav__foot {
  margin: 16px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.page-faq .faq-sidenav__more {
  font-size: 13px;
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-base) var(--ease);
}

.page-faq .faq-sidenav__more:hover,
.page-faq .faq-sidenav__more:focus-visible {
  border-bottom-color: var(--c-cyan);
}

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

.page-faq .faq-group {
  scroll-margin-top: 24px;
}

.page-faq .faq-group + .faq-group {
  margin-top: 64px;
  padding-top: 56px;
  border-top: 1px dashed var(--faq-line);
}

/* ---------- 标签墙 ---------- */

.page-faq .faq-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-tag {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 16px;
  background: var(--c-charcoal);
  border: 1px solid var(--faq-line);
  color: var(--c-fog);
  text-decoration: none;
  font-size: 15px;
  transition: border-color var(--t-base) var(--ease), background-color var(--t-base) var(--ease), transform var(--t-base) var(--ease);
}

.page-faq .faq-tag:hover,
.page-faq .faq-tag:focus-visible {
  border-color: var(--c-orange);
  background: var(--orange-soft);
  transform: translateY(-2px);
}

.page-faq .faq-tag__count {
  font-family: var(--f-mono);
  font-size: 12px;
  color: var(--c-cyan);
}

/* ---------- 图 ---------- */

.page-faq .faq-figure {
  margin: 0 0 28px;
  padding: 10px;
  background: var(--c-charcoal);
  border: 1px solid var(--faq-line);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--c-ink-soft);
}

.page-faq .faq-figure__cap {
  padding: 10px 4px 2px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--fog-50);
}

/* ---------- 步骤条 ---------- */

.page-faq .faq-steps {
  margin-bottom: 34px;
}

/* ---------- 问答折叠 ---------- */

.page-faq .faq-list {
  max-width: var(--faq-answer-w);
}

.page-faq .faq-item {
  margin-bottom: 10px;
  background: var(--c-charcoal);
  border: 1px solid var(--faq-line);
  transition: border-color var(--t-base) var(--ease), transform var(--t-base) var(--ease);
}

.page-faq .faq-item:hover {
  transform: translateY(-2px);
  border-color: var(--c-graphite);
}

.page-faq .faq-item[open] {
  border-color: var(--c-orange);
  background: var(--c-ink-soft);
  transform: none;
}

.page-faq .faq-item > summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: start;
  padding: 16px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.65;
  color: var(--c-paper);
}

.page-faq .faq-item > summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--c-orange);
  outline-offset: -2px;
}

.page-faq .faq-item > summary::after {
  content: "+";
  font-family: var(--f-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--c-orange);
  padding-top: 4px;
}

.page-faq .faq-item[open] > summary::after {
  content: "−";
}

.page-faq .faq-item__num {
  padding-top: 3px;
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--c-orange);
}

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

.page-faq .faq-item__body {
  margin: 0 16px;
  padding: 14px 0 18px;
  border-top: 1px dashed var(--faq-line);
  font-size: 15px;
  line-height: 1.85;
  color: var(--fog-70);
}

.page-faq .faq-item__body p {
  margin: 0;
}

.page-faq .faq-inline-link {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-soft);
  transition: border-color var(--t-base) var(--ease);
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  border-bottom-color: var(--c-cyan);
}

.page-faq .faq-group__foot {
  margin: 22px 0 0;
  max-width: var(--faq-answer-w);
}

/* ---------- 求助条 ---------- */

.page-faq .faq-group--help {
  padding: 28px 22px;
  background: var(--c-charcoal);
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--c-orange);
}

.page-faq .faq-help__text p {
  margin: 0 0 14px;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--fog-70);
}

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

.page-faq .faq-help__actions {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 底部入口 ---------- */

.page-faq .entry-bar {
  margin-top: 56px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 560px) {
  .page-faq .faq-hero {
    padding: 52px 0 60px;
  }

  .page-faq .faq-hero::after {
    width: 300px;
    height: 300px;
    top: -140px;
    right: -70px;
  }

  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-item > summary {
    padding: 18px 20px;
    font-size: 17px;
  }

  .page-faq .faq-item__body {
    margin: 0 20px;
    padding: 16px 0 22px;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    padding: 56px 0 80px;
  }

  .page-faq .faq-sidenav {
    position: sticky;
    top: 24px;
    margin-bottom: 0;
    padding: 20px 18px;
  }

  .page-faq .faq-sidenav__list {
    display: block;
  }

  .page-faq .faq-sidenav__link {
    padding: 9px 0 9px 12px;
    border: 0;
    border-left: 2px solid var(--faq-line);
    background: none;
  }

  .page-faq .faq-sidenav__link:first-child {
    margin-top: 0;
  }

  .page-faq .faq-sidenav__link:hover,
  .page-faq .faq-sidenav__link:focus-visible {
    background: none;
    border-left-color: var(--c-orange);
    color: var(--c-paper);
  }

  .page-faq .faq-sidenav__link[aria-current="location"] {
    border-left: 3px solid var(--c-orange);
    padding-left: 12px;
  }

  .page-faq .faq-sidenav__list li + li {
    margin-top: 4px;
  }

  .page-faq .faq-group + .faq-group {
    margin-top: 88px;
    padding-top: 72px;
  }

  .page-faq .faq-hero__title {
    max-width: 17em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-tag,
  .page-faq .faq-item,
  .page-faq .faq-sidenav__link,
  .page-faq .faq-inline-link {
    transition: none;
  }

  .page-faq .faq-tag:hover,
  .page-faq .faq-tag:focus-visible,
  .page-faq .faq-item:hover {
    transform: none;
  }
}