.page-faq {
  background-color: var(--green);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 32px 0 44px;
  background: linear-gradient(180deg, rgba(6, 31, 24, .96) 0%, rgba(11, 61, 46, .99) 100%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), rgba(53, 240, 200, 0) 64%);
  opacity: .6;
}

.page-faq .faq-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-faq .faq-hero__title {
  margin: 14px 0 16px;
  font-family: var(--font-display);
  font-size: clamp(30px, 7vw, 58px);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: .01em;
  color: var(--paper);
  transform: skewX(-1.5deg);
}

.page-faq .faq-hero__lead {
  max-width: 36em;
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(244, 241, 230, .84);
}

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

.page-faq .faq-hero__note .tag {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .04em;
}

.page-faq .faq-hero__figure {
  margin: 0;
  aspect-ratio: 16 / 10;
}

/* ---------- 主体栅格 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding: 36px 0 64px;
}

/* ---------- 问题分类目录 ---------- */
.page-faq .faq-aside__label {
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gray);
}

.page-faq .faq-toc__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-toc__item {
  flex: 0 0 auto;
}

.page-faq .faq-toc__link {
  display: block;
  padding: 7px 12px;
  border: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.3;
  white-space: nowrap;
  color: var(--gray);
  text-decoration: none;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}

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

.page-faq .faq-toc__link.is-current {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(53, 240, 200, .08);
}

/* ---------- 章节 ---------- */
.page-faq .faq-section {
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-faq .faq-section + .faq-section {
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-section__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px 18px;
  align-items: end;
  margin-bottom: 20px;
}

.page-faq .faq-section__index {
  font-family: var(--font-num);
  font-size: 52px;
  font-weight: 700;
  line-height: .82;
  color: rgba(53, 240, 200, .34);
}

.page-faq .faq-section__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: clamp(22px, 4.4vw, 32px);
  line-height: 1.16;
  font-weight: 800;
  color: var(--paper);
  transform: skewX(-1.2deg);
}

.page-faq .faq-section__note {
  margin: 0;
  max-width: 40em;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 手风琴条目 ---------- */
.page-faq .faq-item {
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-faq .faq-item:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 17px 4px 17px 0;
  font-family: var(--font-display);
  font-size: clamp(16px, 3.4vw, 19px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
  transition: color .2s ease;
}

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

.page-faq .faq-item__q::marker {
  content: "";
}

.page-faq .faq-item__q::after {
  content: "";
  flex: none;
  margin-left: auto;
  width: 14px;
  height: 14px;
  background:
    linear-gradient(var(--cyan), var(--cyan)) center / 14px 1px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) center / 1px 14px no-repeat;
  transition: opacity .2s ease;
}

.page-faq .faq-item[open] > .faq-item__q {
  color: var(--cyan);
}

.page-faq .faq-item[open] > .faq-item__q::after {
  background: linear-gradient(var(--cyan), var(--cyan)) center / 14px 1px no-repeat;
}

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

.page-faq .faq-item:target > .faq-item__q {
  color: var(--orange);
}

.page-faq .faq-item__a {
  padding: 18px 18px 22px;
  background: var(--paper);
  color: var(--black);
  font-size: 15px;
  line-height: 1.8;
  box-shadow: inset 2px 0 0 var(--cyan);
}

.page-faq .faq-item__a p {
  margin: 0 0 12px;
  max-width: 38em;
}

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

.page-faq .faq-item__a a {
  color: var(--green);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-item__a a:hover {
  color: var(--mid-green);
}

/* 答案中的关键数字行 */
.page-faq .faq-figures {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-dark);
  font-family: var(--font-num);
  font-size: 13px;
  line-height: 1.6;
  color: var(--blue);
}

.page-faq .faq-figures .num {
  margin-right: 2px;
  font-size: 24px;
  font-weight: 700;
  color: var(--orange);
}

/* ---------- 数据大屏配图 ---------- */
.page-faq .faq-screen__figure {
  margin: 0 0 22px;
  aspect-ratio: 12 / 7;
}

/* ---------- 结尾引导 ---------- */
.page-faq .faq-cta {
  padding: 40px 0 52px;
  background: var(--blue);
  border-top: 1px solid var(--line);
}

.page-faq .faq-cta__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-faq .faq-cta__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(22px, 5vw, 34px);
  line-height: 1.14;
  font-weight: 800;
  color: var(--paper);
  transform: skewX(-1.2deg);
}

.page-faq .faq-cta__lead {
  margin: 0;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(244, 241, 230, .82);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 768px) {
  .page-faq .faq-hero {
    padding: 44px 0 60px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: 7fr 5fr;
    gap: 40px;
    align-items: end;
  }

  .page-faq .faq-layout {
    padding: 48px 0 88px;
  }

  .page-faq .faq-section__index {
    font-size: 76px;
  }

  .page-faq .faq-item__a {
    padding: 22px 26px 26px;
  }

  .page-faq .faq-cta {
    padding: 52px 0 64px;
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: 8fr 4fr;
    gap: 40px;
    align-items: center;
  }

  .page-faq .faq-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-faq .faq-toc__list {
    flex-direction: column;
    gap: 0;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-faq .faq-toc__link {
    border: 0;
    border-left: 2px solid var(--line-soft);
    padding: 9px 0 9px 14px;
    background: none;
    font-size: 14px;
  }

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

  .page-faq .faq-toc__link.is-current {
    border-left-color: var(--cyan);
    background: none;
    color: var(--cyan);
  }

  .page-faq .faq-section__head {
    gap: 18px 28px;
  }

  .page-faq .faq-section__index {
    font-size: 92px;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 72px;
  }
}