.page-faq {
  --faq-hair: 1px solid var(--line);
}

/* ---------- 首屏 ---------- */
.page-faq .breadcrumb {
  padding-top: 26px;
}

.page-faq .faq-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  padding: 26px 0 10px;
}

.page-faq .faq-hero__title {
  margin: 12px 0 20px;
}

.page-faq .faq-hero__lead {
  max-width: 34em;
  margin: 0;
}

.page-faq .faq-hero__meta {
  margin: 24px 0 0;
  padding-top: 14px;
  border-top: var(--faq-hair);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--dim);
  line-height: 1.7;
}

.page-faq .faq-hero__fig {
  margin: 0;
}

.page-faq .faq-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: var(--faq-hair);
  filter: saturate(0.7) brightness(0.82) contrast(1.05);
}

/* ---------- 章节通用 ---------- */
.page-faq .section[id] {
  scroll-margin-top: 96px;
}

.page-faq .faq-intro {
  margin: 16px 0 0;
  color: var(--muted);
}

/* ---------- 首次进入三步 ---------- */
.page-faq .steps {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
}

.page-faq .steps__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 16px;
  padding: 22px 0;
  border-top: var(--faq-hair);
}

.page-faq .steps__item:last-child {
  border-bottom: var(--faq-hair);
  padding-bottom: 26px;
}

.page-faq .steps__num {
  position: relative;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  line-height: 1.6;
}

.page-faq .steps__num::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 28px;
  bottom: -22px;
  width: 1px;
  background: var(--line);
  transform: translateX(-50%);
}

.page-faq .steps__item:last-child .steps__num::after {
  display: none;
}

.page-faq .steps__body h3 {
  margin: 0;
  color: var(--white);
}

.page-faq .steps__body p {
  margin: 10px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 46em;
}

.page-faq .steps__item:hover .steps__num {
  color: var(--gold);
}

/* ---------- 分组索引横带 ---------- */
.page-faq .faq-jump {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px 0;
}

.page-faq .faq-jump .eyebrow {
  margin: 0;
}

.page-faq .faq-jump__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-jump__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  color: var(--white);
  font-size: 16px;
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-jump__list a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-faq .faq-jump__list .mono {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

/* ---------- 下载形式对照 ---------- */
.page-faq .dl-forms {
  list-style: none;
  margin: 28px 0 8px;
  padding: 0;
  border-top: var(--faq-hair);
}

.page-faq .dl-forms li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 14px 0;
  border-bottom: var(--faq-hair);
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .dl-forms .mono {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

/* ---------- 下拉问答 ---------- */
.page-faq .faq-list {
  margin: 30px 0 0;
  border-top: var(--faq-hair);
}

.page-faq .faq-item {
  border-bottom: var(--faq-hair);
}

.page-faq .faq-item__q {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 19px 2px;
  font-size: 17px;
  line-height: 1.55;
  color: var(--white);
  transition: color 0.2s var(--ease);
}

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

.page-faq .faq-item__q::after {
  content: "+";
  margin-left: auto;
  padding-left: 14px;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "–";
}

.page-faq .faq-item__q:hover {
  color: var(--cyan);
}

.page-faq .faq-item__no {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
  flex: none;
}

.page-faq .faq-item__a {
  padding: 0 2px 22px 0;
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 46em;
}

.page-faq .faq-item__a p:first-child {
  color: var(--white);
}

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

/* ---------- 浏览器插图 ---------- */
.page-faq .faq-shot {
  margin: 30px 0 0;
}

.page-faq .faq-shot img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 620;
  object-fit: cover;
  border: var(--faq-hair);
  filter: saturate(0.68) brightness(0.84);
}

/* ---------- 尾部引导 ---------- */
.page-faq .faq-cta {
  display: grid;
  gap: 14px;
  padding: 30px 22px;
  border-color: var(--cyan);
}

.page-faq .faq-cta h2 {
  margin: 0;
}

.page-faq .faq-cta__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 44em;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 6px 0 0;
}

/* ---------- 焦点态 ---------- */
.page-faq a:focus-visible,
.page-faq summary:focus-visible,
.page-faq .btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-jump {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 26px;
  }

  .page-faq .faq-jump__list {
    grid-auto-flow: column;
    gap: 28px;
  }

  .page-faq .dl-forms li {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 18px;
  }

  .page-faq .faq-item__q {
    font-size: 18px;
    padding: 21px 2px;
  }

  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 34px 32px;
    gap: 10px 30px;
  }

  .page-faq .faq-cta h2,
  .page-faq .faq-cta__text {
    grid-column: 1;
  }

  .page-faq .faq-cta__actions {
    grid-column: 2;
    grid-row: 1 / span 2;
    margin: 0;
    flex-wrap: nowrap;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: end;
    gap: 56px;
    padding: 44px 0 18px;
  }

  .page-faq .faq-hero__fig img {
    aspect-ratio: 5 / 6;
  }

  .page-faq .steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 34px;
  }

  .page-faq .steps__item {
    grid-template-columns: 1fr;
    gap: 0;
    border-top: 2px solid var(--line);
    padding: 20px 0 6px;
  }

  .page-faq .steps__item:last-child {
    border-bottom: 0;
    padding-bottom: 6px;
  }

  .page-faq .steps__num::after {
    display: none;
  }

  .page-faq .steps__body h3 {
    margin-top: 12px;
  }

  .page-faq .faq-list {
    margin-top: 34px;
  }

  .page-faq .faq-item__a {
    padding-left: 0;
    padding-right: 8%;
  }
}