.page-faq {
  padding-bottom: clamp(2rem, 6vw, 4rem);
}

.page-faq .faq-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  padding-top: clamp(1.1rem, 3vw, 1.75rem);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--text);
}

.page-faq .faq-crumb a {
  color: var(--tide);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.18s var(--ease);
}

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

.page-faq .faq-crumb span[aria-hidden] {
  color: var(--shallow);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  display: grid;
  gap: clamp(1.25rem, 3.5vw, 2rem);
  padding: clamp(1.5rem, 4vw, 2.75rem) 0 clamp(1.25rem, 3vw, 2rem);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__head h1 {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.65rem, 4.6vw, 2.5rem);
  line-height: 1.28;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 22em;
}

.page-faq .faq-hero__lead {
  margin: 0.9rem 0 0;
  max-width: 34em;
  color: var(--text);
  font-size: var(--fs-16);
  line-height: 1.85;
}

.page-faq .faq-hero__aside {
  border-left: 3px solid var(--shallow);
  padding: 0.15rem 0 0.15rem 1rem;
  max-width: 34em;
}

.page-faq .faq-hero__aside p {
  margin: 0 0 0.65rem;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--text);
}

.page-faq .faq-hero__aside p.meta {
  margin-bottom: 0.5rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--tide);
}

.page-faq .faq-hero__link {
  display: inline-block;
  font-size: var(--fs-14);
  font-weight: 500;
  color: var(--tide);
  text-decoration: none;
  background-image: linear-gradient(var(--tide), var(--tide));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 1px;
  transition: background-size 0.18s var(--ease);
}

.page-faq .faq-hero__link:hover,
.page-faq .faq-hero__link:focus-visible {
  background-size: 100% 1px;
}

.page-faq .faq-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-faq .faq-pills a {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--sand);
  color: var(--ink);
  font-size: var(--fs-14);
  font-weight: 500;
  text-decoration: none;
  transition: background-color 0.18s var(--ease), border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-faq .faq-pills a:hover,
.page-faq .faq-pills a:focus-visible {
  background: var(--paper);
  border-color: var(--tide);
  color: var(--tide);
}

/* ---------- 分组 ---------- */

.page-faq .faq-group {
  padding: clamp(1.75rem, 5vw, 3rem) 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 104px;
}

.page-faq .faq-group--sand {
  background: var(--sand);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-bottom-color: transparent;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.75rem 1rem;
  align-items: start;
  margin-bottom: clamp(1.1rem, 3vw, 1.75rem);
}

.page-faq .faq-group__num {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(2.25rem, 7vw, 3.75rem);
  line-height: 0.86;
  color: var(--shallow);
  transition: color 0.2s var(--ease);
}

.page-faq .faq-group:target .faq-group__num {
  color: var(--signal);
}

.page-faq .faq-group__intro h2 {
  margin: 0.4rem 0 0.55rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.2rem, 3vw, 1.65rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-group__intro p {
  margin: 0;
  max-width: 32em;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--text);
}

.page-faq .faq-group__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.1rem, 3vw, 1.75rem);
}

.page-faq .faq-group__body--lead .faq-list {
  max-width: 46rem;
}

.page-faq .faq-group__body--lead .faq-figure {
  max-width: 880px;
}

/* ---------- 折叠条目 ---------- */

.page-faq .faq-list {
  border-top: 1px solid var(--line);
}

.page-faq .faq-item {
  position: relative;
  border-bottom: 1px solid var(--line);
  background: transparent;
  transition: background-color 0.18s var(--ease);
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--shallow);
  transition: width 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-faq .faq-item:hover::before,
.page-faq .faq-item:focus-within::before,
.page-faq .faq-item[open]::before {
  width: 5px;
  background: var(--tide);
}

.page-faq .faq-item[open] {
  background: rgba(159, 196, 216, 0.16);
}

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: start;
  gap: 0.4rem 0.7rem;
  padding: 0.95rem 0.85rem 0.95rem 1.15rem;
  cursor: pointer;
  list-style: none;
  font-weight: 500;
  font-size: var(--fs-16);
  line-height: 1.6;
  color: var(--ink);
}

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

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

.page-faq .faq-item__text {
  overflow-wrap: break-word;
}

.page-faq .faq-item__no {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--tide);
  padding-top: 0.28rem;
  white-space: nowrap;
}

.page-faq .faq-item__mark {
  position: relative;
  width: 1rem;
  height: 1rem;
  margin-top: 0.3rem;
  flex: none;
  transition: transform 0.22s var(--ease);
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--tide);
  border-radius: 1px;
}

.page-faq .faq-item__mark::before {
  left: 0;
  right: 0;
  top: calc(50% - 1px);
  height: 2px;
}

.page-faq .faq-item__mark::after {
  top: 0;
  bottom: 0;
  left: calc(50% - 1px);
  width: 2px;
}

.page-faq .faq-item[open] .faq-item__mark {
  transform: rotate(45deg);
}

.page-faq .faq-item__a {
  padding: 0 0.85rem 1.1rem 1.15rem;
}

.page-faq .faq-item__a p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--text);
  max-width: 34em;
}

.page-faq .faq-answer__steps {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.15rem 0;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--ink);
}

.page-faq .faq-answer__steps span:not(:last-child)::after {
  content: "→";
  margin: 0 0.45rem;
  color: var(--tide);
  opacity: 0.7;
}

/* ---------- 图与侧栏 ---------- */

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

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  object-fit: cover;
  background: var(--sand);
}

.page-faq .faq-figure figcaption {
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: var(--text);
}

.page-faq .faq-aside {
  border-left: 1px solid var(--line);
  padding-left: clamp(0.9rem, 2.5vw, 1.35rem);
}

.page-faq .faq-aside__note {
  margin: 0.9rem 0 0.6rem;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--text);
}

.page-faq .faq-aside__link {
  font-size: var(--fs-14);
  font-weight: 500;
  color: var(--tide);
  text-decoration: none;
  background-image: linear-gradient(var(--tide), var(--tide));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 1px;
  transition: background-size 0.18s var(--ease);
}

.page-faq .faq-aside__link:hover,
.page-faq .faq-aside__link:focus-visible {
  background-size: 100% 1px;
}

/* ---------- 求助面板 ---------- */

.page-faq .faq-help {
  display: grid;
  gap: clamp(1.25rem, 3.5vw, 2rem);
  margin-top: clamp(1.75rem, 5vw, 3rem);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: var(--ink);
  color: var(--paper);
}

.page-faq .faq-help h2 {
  margin: 0.5rem 0 0.7rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.2rem, 3vw, 1.65rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-help p {
  margin: 0 0 0.9rem;
  max-width: 32em;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: rgba(248, 245, 239, 0.84);
}

.page-faq .faq-help .eyebrow {
  color: var(--shallow);
}

.page-faq .faq-help .eyebrow::before {
  background: var(--signal);
}

.page-faq .faq-help__list {
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
  max-width: 32em;
}

.page-faq .faq-help__list li {
  position: relative;
  padding-left: 1rem;
  margin-bottom: 0.55rem;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: rgba(248, 245, 239, 0.84);
}

.page-faq .faq-help__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 6px;
  height: 1px;
  background: var(--shallow);
}

.page-faq .faq-help__panel {
  border-top: 1px solid rgba(159, 196, 216, 0.35);
  padding-top: clamp(0.9rem, 2.5vw, 1.25rem);
}

.page-faq .faq-help__meta {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--shallow);
}

.page-faq .faq-help__line {
  margin: 0 0 0.6rem;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: rgba(248, 245, 239, 0.84);
  overflow-wrap: break-word;
}

.page-faq .faq-help__line span {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--shallow);
}

.page-faq .faq-help__line a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--signal);
  transition: border-color 0.18s var(--ease);
}

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

.page-faq .faq-help__tip {
  margin: 1rem 0 0.5rem;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: rgba(248, 245, 239, 0.7);
}

.page-faq .faq-help__link {
  font-size: var(--fs-14);
  font-weight: 500;
  color: var(--shallow);
  text-decoration: none;
  background-image: linear-gradient(var(--shallow), var(--shallow));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 1px;
  transition: background-size 0.18s var(--ease);
}

.page-faq .faq-help__link:hover,
.page-faq .faq-help__link:focus-visible {
  background-size: 100% 1px;
}

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-faq .faq-hero__lead {
    font-size: var(--fs-16);
  }

  .page-faq .faq-item__q {
    padding: 1.1rem 1.1rem 1.1rem 1.5rem;
  }

  .page-faq .faq-item__a {
    padding: 0 1.1rem 1.25rem 1.5rem;
  }

  .page-faq .faq-item__a p {
    font-size: var(--fs-16);
  }

  .page-faq .faq-answer__steps {
    font-size: var(--fs-16);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    align-items: start;
    column-gap: clamp(1.5rem, 4vw, 3rem);
  }

  .page-faq .faq-hero__aside {
    margin-top: 1.65rem;
  }

  .page-faq .faq-pills {
    grid-column: 1 / -1;
    padding-top: 0.25rem;
  }

  .page-faq .faq-group__body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    column-gap: clamp(1.5rem, 4vw, 3rem);
    align-items: start;
  }

  .page-faq .faq-group__body--lead {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-faq .faq-help {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    column-gap: clamp(1.5rem, 4vw, 3rem);
  }

  .page-faq .faq-help__panel {
    border-top: none;
    border-left: 1px solid rgba(159, 196, 216, 0.35);
    padding-top: 0;
    padding-left: clamp(1rem, 2.5vw, 1.5rem);
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-group__head {
    gap: 0.9rem 1.5rem;
  }
}
<<<END>>>