.page-faq {
  --faq-edge: rgba(0, 229, 160, 0.28);
  --faq-edge-soft: rgba(200, 217, 209, 0.18);
  --faq-ink: #071f17;
  position: relative;
  background: var(--ink-800);
  color: var(--paper);
  overflow-x: clip;
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-faq :where(h1, h2, h3, p, ul, ol, figure) {
  margin-top: 0;
}

.page-faq .page-faq__crumb {
  padding-top: clamp(12px, 2.4vw, 20px);
}

.page-faq .breadcrumbs {
  font-size: 13px;
}

.page-faq .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-data);
  color: var(--mist);
}

.page-faq .breadcrumbs__list a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-faq .breadcrumbs__list a:hover,
.page-faq .breadcrumbs__list a:focus-visible {
  border-bottom-color: var(--mint);
}

.page-faq .breadcrumbs__list [aria-current="page"] {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: clamp(20px, 4vw, 44px) 0 clamp(34px, 6vw, 68px);
  background:
    linear-gradient(150deg, transparent 0 61%, rgba(0, 229, 160, 0.08) 61% 61.7%, transparent 61.7%),
    linear-gradient(180deg, var(--ink-900), var(--ink-800));
  border-bottom: 1px solid var(--faq-edge-soft);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: repeating-linear-gradient(90deg, var(--mint) 0 18px, transparent 18px 36px);
  opacity: 0.45;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 5vw, 56px);
  align-items: end;
}

.page-faq .faq-hero__eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  padding: 4px 10px;
  border: 1px solid var(--faq-edge);
  color: var(--mint);
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(29px, 7vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
  text-wrap: balance;
}

.page-faq .faq-hero__lead {
  max-width: 40ch;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 24px;
}

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

.page-faq .faq-hero__figure {
  margin: 0;
  padding: 10px;
  border: 2px solid var(--faq-edge);
  background: var(--ink-700);
  box-shadow: 10px 10px 0 rgba(0, 0, 0, 0.3);
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.page-faq .faq-hero__caption {
  display: block;
  padding-top: 10px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 主题索引条 ---------- */

.page-faq .faq-index {
  position: sticky;
  top: var(--head-h);
  z-index: 6;
  background: rgba(5, 26, 19, 0.95);
  border-bottom: 1px solid var(--faq-edge);
  backdrop-filter: blur(8px);
}

.page-faq .faq-index__inner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--ink-600) transparent;
}

.page-faq .faq-index__label {
  flex: none;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--orange);
}

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

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 13px;
  border: 1px solid var(--faq-edge-soft);
  color: var(--mist);
  font-size: 13.5px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-index__link:hover {
  color: var(--ink-900);
  background: var(--mint);
  border-color: var(--mint);
}

.page-faq .faq-index__link:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  color: var(--ink-900);
  background: var(--mint);
  border-color: var(--mint);
}

.page-faq .faq-index__num {
  font-family: var(--font-data);
  font-size: 11px;
  color: var(--orange);
}

.page-faq .faq-index__link:hover .faq-index__num,
.page-faq .faq-index__link:focus-visible .faq-index__num {
  color: var(--ink-900);
}

/* ---------- 章节 ---------- */

.page-faq .faq-section {
  padding: clamp(38px, 7vw, 84px) 0;
  border-bottom: 1px solid var(--faq-edge-soft);
  scroll-margin-top: calc(var(--head-h) + 72px);
}

.page-faq .faq-section--alt {
  background: var(--ink-900);
}

.page-faq .faq-section__head {
  display: grid;
  gap: 8px;
  margin-bottom: clamp(20px, 3.5vw, 34px);
}

.page-faq .faq-section__num {
  font-family: var(--font-data);
  font-size: clamp(36px, 8vw, 68px);
  line-height: 0.85;
  color: var(--mint);
  letter-spacing: -0.04em;
  transform: skewX(-3deg);
  transform-origin: left center;
  display: inline-block;
}

.page-faq .faq-section__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 4.4vw, 36px);
  line-height: 1.16;
  letter-spacing: -0.015em;
  margin: 0;
  text-wrap: balance;
}

.page-faq .faq-section__lead {
  max-width: 42ch;
  color: var(--mist);
  font-size: 15.5px;
  line-height: 1.78;
  margin: 0;
}

/* ---------- 问答组 ---------- */

.page-faq .faq-list {
  display: grid;
  gap: 12px;
}

.page-faq .disclosure {
  position: relative;
  background: var(--ink-700);
  border: 2px solid var(--faq-edge-soft);
  border-left: 3px solid var(--mint);
  border-radius: var(--radius);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.24);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.page-faq .disclosure:hover {
  border-color: var(--faq-edge);
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.32);
  transform: translateY(-2px);
}

.page-faq .disclosure__trigger {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 15px 16px;
  background: none;
  border: 0;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: clamp(15px, 2.3vw, 17px);
  font-weight: 700;
  line-height: 1.55;
  text-align: left;
  cursor: pointer;
}

.page-faq .disclosure__trigger:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: -4px;
}

.page-faq .disclosure__mark {
  flex: none;
  align-self: flex-start;
  margin-top: 3px;
  padding: 2px 6px;
  border: 1px solid var(--faq-edge);
  color: var(--mint);
  font-family: var(--font-data);
  font-size: 11px;
  line-height: 1.3;
}

.page-faq .disclosure__label {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .disclosure__icon {
  position: relative;
  flex: none;
  width: 22px;
  height: 22px;
  color: var(--mint);
}

.page-faq .disclosure__icon::before,
.page-faq .disclosure__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: currentColor;
  transform: translate(-50%, -50%);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.page-faq .disclosure__icon::before {
  width: 14px;
  height: 2px;
}

.page-faq .disclosure__icon::after {
  width: 2px;
  height: 14px;
}

.page-faq .disclosure__trigger[aria-expanded="true"] .disclosure__icon::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-faq .disclosure__body {
  padding: 0 16px 18px;
  color: var(--mist);
  font-size: 15.5px;
  line-height: 1.8;
}

.page-faq .disclosure__body p {
  max-width: 58ch;
  margin: 0 0 12px;
}

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

.page-faq .faq-steps {
  counter-reset: faq-step;
  display: grid;
  gap: 10px;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps > li {
  counter-increment: faq-step;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  max-width: 54ch;
}

.page-faq .faq-steps > li::before {
  content: counter(faq-step, decimal-leading-zero);
  padding-left: 7px;
  border-left: 2px solid var(--orange);
  color: var(--orange);
  font-family: var(--font-data);
  font-size: 12px;
  line-height: 1.5;
}

.page-faq .faq-more {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  padding-top: 13px;
  border-top: 1px dashed var(--faq-edge-soft);
}

.page-faq .faq-more a {
  color: var(--mint);
  font-size: 14.5px;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid var(--faq-edge);
  padding-bottom: 1px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-more a:hover {
  color: var(--mint-soft);
  border-bottom-color: var(--mint-soft);
}

.page-faq .faq-more a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

/* ---------- 数据章节图文分栏 ---------- */

.page-faq .faq-split {
  display: grid;
  gap: clamp(18px, 3.5vw, 30px);
}

.page-faq .faq-figure {
  margin: 0;
  padding: 8px;
  border: 2px solid var(--faq-edge);
  background: var(--ink-700);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.26);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  padding-top: 9px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 桌面端 ---------- */

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-faq .faq-hero__figure {
    transform: rotate(-1.4deg);
  }

  .page-faq .faq-section__head {
    grid-template-columns: auto minmax(0, 1fr);
    grid-template-areas:
      "num title"
      "num lead";
    column-gap: 28px;
    row-gap: 6px;
    align-items: start;
  }

  .page-faq .faq-section__num {
    grid-area: num;
    align-self: start;
    margin-top: 2px;
  }

  .page-faq .faq-section__title {
    grid-area: title;
  }

  .page-faq .faq-section__lead {
    grid-area: lead;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-faq .faq-split .faq-figure {
    position: sticky;
    top: calc(var(--head-h) + 76px);
  }

  .page-faq .disclosure__trigger {
    padding: 18px 22px;
    gap: 16px;
  }

  .page-faq .disclosure__body {
    padding: 0 22px 22px 74px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-hero {
    padding-bottom: clamp(56px, 6vw, 84px);
  }

  .page-faq .faq-list {
    gap: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .disclosure,
  .page-faq .faq-hero__figure,
  .page-faq .faq-index__link,
  .page-faq .disclosure__icon::before,
  .page-faq .disclosure__icon::after {
    transition: none;
  }

  .page-faq .disclosure:hover {
    transform: none;
  }

  .page-faq .faq-hero__figure {
    transform: none;
  }
}
<<<END>>>