.page-faq {
  --faq-radius: var(--radius-md);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  padding-bottom: 3rem;
}

.page-faq .breadcrumb {
  padding: 1.25rem 0 0;
  font-size: 0.8125rem;
}

.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--rock);
}

.page-faq .breadcrumb__list a {
  color: var(--rock);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-faq .breadcrumb__list a:hover,
.page-faq .breadcrumb__list a:focus-visible {
  color: var(--accent-deep);
  border-bottom-color: var(--accent);
  outline: none;
}

.page-faq .breadcrumb__sep {
  opacity: 0.5;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(122deg, var(--accent-tint) 0 44%, rgba(0, 0, 0, 0) 44%),
    var(--surface);
  border-bottom: 1px solid var(--line-soft);
  padding-bottom: 2.5rem;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent) 0 30%, var(--accent-soft) 30% 58%, rgba(0, 0, 0, 0) 58%);
  opacity: 0.85;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 1.75rem;
  padding-top: 1.5rem;
}

.page-faq .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin: 0;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.875rem, 6.2vw, 3.125rem);
  line-height: 1.2;
  letter-spacing: 0;
  margin: 0.6rem 0 0;
  max-width: 15em;
}

.page-faq .faq-hero__lede {
  margin: 1rem 0 0;
  max-width: 34em;
  color: var(--rock);
  font-size: 1rem;
  line-height: 1.8;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-faq .faq-hero__figure {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
  color: var(--accent-deep);
}

.page-faq .faq-hero__svg {
  width: min(220px, 58vw);
  height: auto;
  display: block;
}

.page-faq .faq-hero__caption {
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  color: var(--rock);
  opacity: 0.75;
  margin: 0;
}

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-shell {
  display: grid;
  gap: 1.5rem;
  padding: 2rem 0 0;
}

.page-faq .faq-index {
  border-top: 1px solid var(--line);
  padding-top: 0.9rem;
}

.page-faq .faq-index__title {
  margin: 0 0 0.6rem;
  font-size: 0.6875rem;
  letter-spacing: 0.24em;
  color: var(--rock);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0 0 0.4rem;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index__list li {
  flex: 0 0 auto;
}

.page-faq .faq-index__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-soft);
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
  font-size: 0.875rem;
  white-space: nowrap;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  border-color: var(--accent);
  background: var(--accent-tint);
  color: var(--accent-deep);
  outline: none;
}

.page-faq .faq-index__num {
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.page-faq .faq-index__label {
  font-weight: 500;
}

/* ---------- 章节 ---------- */
.page-faq .faq-section {
  padding: 2.25rem 0;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 1.5rem;
}

.page-faq .faq-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-section__num {
  margin: 0 0 0.5rem;
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  color: var(--accent);
}

.page-faq .faq-section h2 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.375rem, 4.4vw, 1.9375rem);
  line-height: 1.32;
  margin: 0;
}

.page-faq .faq-section__lead {
  margin: 0.75rem 0 0;
  max-width: 36em;
  color: var(--rock);
  font-size: 0.9688rem;
  line-height: 1.8;
}

.page-faq .faq-subhead {
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  margin: 1.75rem 0 0;
  padding-left: 0.7rem;
  border-left: 3px solid var(--accent);
}

.page-faq .faq-note {
  margin: 1.25rem 0 0;
  padding: 0.8rem 1rem;
  border-left: 3px solid var(--accent-soft);
  background: var(--accent-tint);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--ink);
}

/* ---------- 步骤 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-faq .faq-step {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line-soft);
  border-radius: var(--faq-radius);
  padding: 1.35rem 1.1rem 1.2rem;
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 1.1rem;
  top: 0;
  width: 42px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: var(--accent);
}

.page-faq .faq-step__num {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-pill);
  background: var(--accent-tint);
  color: var(--accent-deep);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
}

.page-faq .faq-step h3 {
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  margin: 0.7rem 0 0.35rem;
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--rock);
}

/* ---------- 季节演示 ---------- */
.page-faq .faq-demo {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  padding: 1rem 1.1rem;
  border: 1px dashed var(--line);
  border-radius: var(--faq-radius);
  background: var(--frost);
}

.page-faq .faq-demo .season-switcher__label {
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  color: var(--rock);
}

.page-faq .faq-demo .season-switcher__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.page-faq .faq-demo .season-pill {
  display: inline-block;
  padding: 0.35rem 0.95rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font-family: inherit;
  font-size: 0.875rem;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-demo .season-pill:hover,
.page-faq .faq-demo .season-pill:focus-visible {
  border-color: var(--accent);
  color: var(--accent-deep);
  outline: none;
}

.page-faq .faq-demo .season-pill[aria-current="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
}

.page-faq .faq-demo__hint {
  flex-basis: 100%;
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--rock);
}

/* ---------- 面板与列表 ---------- */
.page-faq .faq-cols {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.page-faq .faq-panel {
  padding: 1.1rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--faq-radius);
  background: var(--surface);
}

.page-faq .faq-panel--tint {
  background: var(--accent-tint);
  border-color: rgba(0, 0, 0, 0);
}

.page-faq .faq-panel h3 {
  font-family: var(--font-serif);
  font-size: 1rem;
  margin: 0 0 0.4rem;
}

.page-faq .faq-panel p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--rock);
}

.page-faq .faq-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-faq .faq-list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--rock);
}

.page-faq .faq-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.page-faq .faq-list strong {
  color: var(--ink);
}

.page-faq .faq-checks {
  margin: 1.25rem 0 0;
  padding-left: 1.15rem;
  display: grid;
  gap: 0.6rem;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--rock);
}

.page-faq .faq-checks strong {
  color: var(--ink);
}

/* ---------- 表格 ---------- */
.page-faq .faq-table-wrap {
  margin-top: 1.5rem;
  overflow-x: auto;
  border: 1px solid var(--line-soft);
  border-radius: var(--faq-radius);
  background: var(--surface);
}

.page-faq .faq-table {
  width: 100%;
  min-width: 320px;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.page-faq .faq-table caption {
  text-align: left;
  padding: 0.85rem 1rem 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--rock);
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  text-align: left;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-table tbody tr:last-child th,
.page-faq .faq-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .faq-table thead th {
  background: var(--accent-tint);
  color: var(--accent-deep);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.page-faq .faq-table tbody th {
  width: 38%;
  font-weight: 600;
  color: var(--ink);
}

.page-faq .faq-table td {
  color: var(--rock);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 1.75rem 0 0;
}

.page-faq .faq-figure .figure__media {
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--faq-radius);
  background: var(--frost);
}

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

.page-faq .faq-figure .figure__caption {
  margin-top: 0.6rem;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--rock);
}

/* ---------- 下一步入口 ---------- */
.page-faq .faq-next {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

/* ---------- 问题速查 ---------- */
.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0 0;
}

.page-faq .faq-filter a {
  display: inline-block;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
  font-size: 0.8125rem;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.page-faq .faq-filter a:hover,
.page-faq .faq-filter a:focus-visible {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
  outline: none;
}

.page-faq .faq-group {
  margin-top: 1.75rem;
  scroll-margin-top: 1.5rem;
}

.page-faq .faq-group__title {
  margin: 0 0 0.6rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  color: var(--rock);
}

.page-faq .faq-item {
  margin-bottom: 0.6rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  background: var(--surface);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .faq-item[open] {
  border-color: var(--accent);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-item > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.85rem 1rem;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.65;
  transition: color 0.2s ease;
}

.page-faq .faq-item > summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1;
  color: var(--accent);
}

.page-faq .faq-item[open] > summary {
  color: var(--accent-deep);
}

.page-faq .faq-item[open] > summary::after {
  content: "−";
}

.page-faq .faq-item > summary:hover {
  color: var(--accent-deep);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.page-faq .faq-item__body {
  padding: 0 1rem 0.95rem;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--rock);
}

.page-faq .faq-item__body p {
  margin: 0;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .page-faq .faq-cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .page-faq .faq-figure--tall {
    max-width: 420px;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: center;
    gap: 2.5rem;
    padding-top: 2.25rem;
  }

  .page-faq .faq-hero {
    padding-bottom: 3rem;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-shell {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
    padding-top: 3rem;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 1.5rem;
    border-top: 0;
    border-left: 1px solid var(--line);
    padding: 0.25rem 0 0.25rem 1rem;
  }

  .page-faq .faq-index__title {
    margin-bottom: 0.75rem;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 0.1rem;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index__list li {
    flex: 1 1 auto;
  }

  .page-faq .faq-index__list a {
    width: 100%;
    padding: 0.45rem 0.5rem;
    border: 0;
    border-left: 2px solid rgba(0, 0, 0, 0);
    border-radius: 0;
    background: transparent;
    white-space: normal;
  }

  .page-faq .faq-index__list a:hover,
  .page-faq .faq-index__list a:focus-visible {
    border-left-color: var(--accent);
    background: var(--accent-tint);
  }

  .page-faq .faq-figure--tall {
    max-width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .breadcrumb__list a,
  .page-faq .faq-index__list a,
  .page-faq .faq-demo .season-pill,
  .page-faq .faq-filter a,
  .page-faq .faq-item,
  .page-faq .faq-item > summary {
    transition: none;
  }
}
<<<END>>>