.page-faq {
  background: var(--qd-night);
  color: var(--qd-text);
  display: block;
}

.page-faq .qd-crumbs {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 26px;
  font-family: var(--qd-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--qd-muted);
}

.page-faq .qd-crumbs a {
  color: var(--qd-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.12s ease, color 0.12s ease;
}

.page-faq .qd-crumbs a:hover {
  color: var(--qd-paper);
  border-bottom-color: var(--qd-orange);
}

.page-faq .qd-crumbs__sep {
  color: var(--qd-line-strong);
}

/* ---------- 首屏 ---------- */
.faq-hero {
  padding: 42px 0 4px;
  background:
    radial-gradient(115% 130% at 84% -10%, rgba(29, 78, 107, 0.55) 0%, rgba(11, 27, 43, 0) 62%),
    var(--qd-night);
}

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

.faq-hero__lead .qd-eyebrow {
  color: var(--qd-amber);
}

.faq-hero h1 {
  margin: 14px 0 0;
  max-width: 15em;
}

.faq-hero .qd-lead {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--qd-dim);
}

.faq-glance {
  background: var(--qd-panel);
  border: 1px solid var(--qd-line);
  border-top: 2px solid var(--qd-orange);
}

.faq-glance__cap {
  margin: 0;
  padding: 12px 16px;
  font-family: var(--qd-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--qd-muted);
  border-bottom: 1px solid var(--qd-line);
}

.faq-glance__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.faq-glance__item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--qd-line);
}

.faq-glance__item:last-child {
  border-bottom: 0;
}

.faq-glance__k {
  font-size: 13.5px;
  color: var(--qd-muted);
}

.faq-glance__v {
  font-family: var(--qd-mono);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--qd-paper);
  white-space: nowrap;
}

/* ---------- 顶部图形 ---------- */
.faq-figure {
  margin: 46px auto 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--qd-line);
  background: var(--qd-green);
}

.faq-figure .qd-media__cap {
  margin-top: 10px;
  font-family: var(--qd-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--qd-muted);
}

/* ---------- 主体两栏 ---------- */
.faq-layout {
  display: grid;
  gap: 40px;
  padding-top: 58px;
  padding-bottom: 8px;
}

.faq-index__title {
  margin: 0 0 14px;
  padding-bottom: 12px;
  font-family: var(--qd-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--qd-muted);
  border-bottom: 1px solid var(--qd-line-strong);
}

.faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.faq-index__list a {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 14px;
  white-space: nowrap;
  font-size: 14px;
  color: var(--qd-dim);
  text-decoration: none;
  border: 1px solid var(--qd-line);
  border-radius: var(--qd-radius);
  transition: border-color 0.12s ease, color 0.12s ease;
}

.faq-index__list a:hover,
.faq-index__list a:focus-visible {
  color: var(--qd-paper);
  border-color: var(--qd-orange);
}

.faq-index__num {
  font-family: var(--qd-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--qd-muted);
}

.faq-index__note {
  margin: 18px 0 0;
  font-size: 13.5px;
  color: var(--qd-muted);
}

.faq-index__note a {
  color: var(--qd-amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 179, 71, 0.42);
}

.faq-index__note a:hover {
  color: var(--qd-orange);
  border-bottom-color: var(--qd-orange);
}

/* ---------- 分组 ---------- */
.faq-group {
  scroll-margin-top: 118px;
}

.faq-group + .faq-group {
  margin-top: 54px;
}

.faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--qd-line-strong);
}

.faq-group__num {
  font-family: var(--qd-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--qd-orange);
}

.faq-group__head h2 {
  margin: 0;
}

/* ---------- 折叠问答 ---------- */
.faq-item {
  border-bottom: 1px solid var(--qd-line);
}

.faq-item__q {
  position: relative;
  display: block;
  padding: 20px 44px 20px 2px;
  font-size: 17px;
  line-height: 1.62;
  color: var(--qd-paper);
  cursor: pointer;
  list-style: none;
  transition: color 0.12s ease;
}

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

.faq-item__q::after {
  content: "";
  position: absolute;
  right: 10px;
  top: 26px;
  width: 9px;
  height: 9px;
  border-right: 1.5px solid var(--qd-muted);
  border-bottom: 1.5px solid var(--qd-muted);
  transform: rotate(45deg);
  transition: transform 0.16s ease, border-color 0.16s ease;
}

.faq-item__q:hover {
  color: var(--qd-orange);
}

.faq-item__q:focus-visible {
  outline: 2px solid var(--qd-orange);
  outline-offset: 3px;
}

.faq-item[open] .faq-item__q::after {
  transform: rotate(-135deg);
  border-color: var(--qd-orange);
}

.faq-item__a {
  margin: 0 0 24px 0;
  padding: 18px 20px;
  max-width: 64ch;
  background: rgba(242, 239, 231, 0.05);
  border-left: 2px solid var(--qd-orange);
  font-size: 16px;
  line-height: 1.85;
  color: var(--qd-dim);
}

.faq-item__a p {
  margin: 0;
}

.faq-item__more {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--qd-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--qd-amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 179, 71, 0.42);
  transition: color 0.12s ease, border-color 0.12s ease;
}

.faq-item__more:hover,
.faq-item__more:focus-visible {
  color: var(--qd-orange);
  border-bottom-color: var(--qd-orange);
}

.faq-inline-figure {
  margin: 22px 0 26px;
}

.page-faq .faq-inline-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--qd-line);
  background: var(--qd-panel);
}

.faq-inline-figure .qd-media__cap {
  margin-top: 9px;
  font-family: var(--qd-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--qd-muted);
}

/* ---------- 底部求助带 ---------- */
.faq-help {
  margin-top: 76px;
  padding: 46px 0 50px;
  background: var(--qd-green);
  border-top: 1px solid var(--qd-line);
}

.faq-help__inner {
  display: grid;
  gap: 26px;
}

.faq-help__inner .qd-eyebrow {
  color: var(--qd-mint);
}

.faq-help h2 {
  margin: 12px 0 0;
}

.faq-help__text {
  margin: 14px 0 0;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--qd-dim);
}

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

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .faq-hero {
    padding-top: 56px;
  }

  .faq-hero__inner {
    grid-template-columns: minmax(0, 1.42fr) minmax(272px, 0.58fr);
    gap: 60px;
    align-items: end;
  }

  .faq-glance {
    margin-bottom: 6px;
  }
}

@media (min-width: 960px) {
  .faq-layout {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 66px;
    align-items: start;
  }

  .faq-index {
    position: sticky;
    top: 110px;
  }

  .faq-index__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
  }

  .faq-index__list li {
    border-bottom: 1px solid var(--qd-line);
  }

  .faq-index__list li:first-child {
    border-top: 1px solid var(--qd-line);
  }

  .faq-index__list a {
    padding: 13px 2px;
    border: 0;
    border-radius: 0;
  }

  .faq-index__list a:hover,
  .faq-index__list a:focus-visible {
    border-color: transparent;
  }

  .faq-help__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 48px;
  }

  .faq-help__actions {
    flex-wrap: nowrap;
  }
}

@media (min-width: 1180px) {
  .faq-item__q {
    font-size: 18px;
  }

  .faq-item__a {
    font-size: 16.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qd-crumbs a,
  .faq-index__list a,
  .faq-item__q,
  .faq-item__q::after,
  .faq-item__more {
    transition: none;
  }
}