.page-faq {
  --faq-sticky: calc(var(--header-h) + 24px);
  --accent: var(--mint);
  padding-bottom: clamp(40px, 6vw, 80px);
}

.page-faq .breadcrumb {
  padding-top: 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.page-faq .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

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

.page-faq .breadcrumb span[aria-current="page"] {
  color: var(--text);
}

/* ---------- 页头 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 26px 0 22px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 96px;
  height: 3px;
  background: var(--mint);
  transform: skewX(-36deg);
  transform-origin: left bottom;
}

.page-faq .faq-hero .kicker {
  color: var(--mint);
  margin: 0 0 12px;
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-size: clamp(27px, 4.6vw, 46px);
  line-height: 1.12;
  letter-spacing: .02em;
  max-width: 20ch;
}

.page-faq .faq-hero .page-head__sub {
  margin: 14px 0 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.78;
}

/* ---------- 热门标签 ---------- */
.page-faq .faq-hot {
  display: flex;
  gap: 8px;
  margin: 22px 0 0;
  padding: 2px 2px 8px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-faq .faq-hot li {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-faq .faq-hot a {
  display: inline-block;
  padding: 8px 12px;
  min-height: 34px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--text);
  text-decoration: none;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 160ms var(--ease), color 160ms var(--ease);
}

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

/* ---------- 布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 26px;
  padding-top: 26px;
}

/* ---------- 主题索引 ---------- */
.page-faq .faq-index__title {
  margin: 0 0 10px;
  color: var(--muted);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-index__list li {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 7px;
  padding: 8px 11px;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-faq .faq-index__list a .num {
  font-size: 10.5px;
  letter-spacing: .1em;
  color: var(--mint);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--text);
  border-color: var(--mint-deep);
  background: var(--panel-2);
}

.page-faq .faq-index__hint {
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--muted);
}

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

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  padding: 26px 0 6px;
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 16px);
}

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

.page-faq .faq-group[data-accent="amber"] { --accent: var(--amber); }
.page-faq .faq-group[data-accent="wine"] { --accent: var(--wine); }
.page-faq .faq-group[data-accent="indigo"] { --accent: var(--indigo); }
.page-faq .faq-group[data-accent="mint"] { --accent: var(--mint); }

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 12px;
  align-items: start;
  margin-bottom: 16px;
}

.page-faq .faq-group__no {
  display: inline-block;
  padding: 4px 7px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--ink);
  background: var(--accent);
  border-radius: var(--radius);
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-size: clamp(19px, 2.6vw, 25px);
  line-height: 1.3;
  letter-spacing: .02em;
}

.page-faq .faq-group__lead {
  grid-column: 1 / -1;
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.7;
  max-width: 56ch;
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 16px;
}

.page-faq .faq-figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  object-fit: cover;
  filter: saturate(.9);
}

.page-faq .faq-figure__cap {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  margin-bottom: 8px;
  transition: border-color 160ms var(--ease), background 160ms var(--ease);
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-faq .qa:hover {
  border-color: var(--mint-deep);
}

.page-faq .qa[open] {
  background: var(--panel-2);
  border-color: var(--mint-deep);
}

.page-faq .qa summary {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
  padding: 13px 15px;
  min-height: 44px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--text);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.2;
  color: var(--accent);
}

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

.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
}

.page-faq .qa__body {
  padding: 0 15px 15px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.78;
}

.page-faq .qa__body p {
  margin: 0 0 10px;
}

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

/* ---------- 步骤块 ---------- */
.page-faq .qa-steps {
  list-style: none;
  margin: 12px 0 0;
  padding: 12px 0 0;
  display: grid;
  gap: 9px;
  border-top: 1px solid var(--line);
}

.page-faq .qa-steps li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
}

.page-faq .qa-steps li .num {
  display: inline-block;
  text-align: center;
  padding: 3px 0;
  font-size: 11px;
  color: var(--ink);
  background: var(--accent);
  border-radius: var(--radius);
}

/* ---------- 联系条 ---------- */
.page-faq .faq-contact-strip {
  margin-top: 16px;
  padding: 15px 16px;
  display: grid;
  gap: 7px;
  font-size: 14px;
  line-height: 1.7;
  background: var(--glass);
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius);
}

.page-faq .faq-contact-strip p {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
}

.page-faq .faq-contact-strip .kicker {
  color: var(--muted);
}

.page-faq .faq-contact-strip .num {
  color: var(--text);
  font-size: 13.5px;
}

.page-faq .faq-contact-strip__note {
  color: var(--muted);
  font-size: 13px;
}

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

/* ---------- 延伸入口 ---------- */
.page-faq .faq-more {
  margin-top: clamp(32px, 5vw, 56px);
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-more .kicker {
  color: var(--muted);
  margin: 0 0 12px;
}

.page-faq .faq-more__grid {
  display: grid;
  gap: 10px;
}

.page-faq .faq-more__item {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 2px 12px;
  padding: 14px 16px 14px 18px;
  text-decoration: none;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 160ms var(--ease), border-color 160ms var(--ease);
}

.page-faq .faq-more__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--indigo);
  transform: skewY(-6deg);
  transform-origin: top left;
}

.page-faq .faq-more__item .num {
  grid-row: span 2;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--mint);
}

.page-faq .faq-more__item strong {
  font-size: 15px;
  letter-spacing: .02em;
}

.page-faq .faq-more__item span:last-child {
  font-size: 13px;
  color: var(--muted);
}

.page-faq .faq-more__item:hover,
.page-faq .faq-more__item:focus-visible {
  transform: translateY(-2px);
  border-color: var(--mint-deep);
}

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

/* ---------- 平板与桌面 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-more__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding: 34px 0 26px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 48px;
    padding-top: 34px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: var(--faq-sticky);
    align-self: start;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0;
    border-bottom: 0;
  }

  .page-faq .faq-index__list li {
    flex: 1 1 auto;
    width: 100%;
  }

  .page-faq .faq-index__list a {
    padding: 9px 12px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    background: transparent;
    font-size: 13.5px;
  }

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

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

  .page-faq .qa__body {
    padding: 0 18px 16px;
  }

  .page-faq .qa summary {
    padding: 14px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .faq-hot a,
  .page-faq .faq-index__list a,
  .page-faq .faq-more__item {
    transition: none;
  }

  .page-faq .faq-more__item:hover,
  .page-faq .faq-more__item:focus-visible {
    transform: none;
  }
}
<<<END>>>